Merge branch 'master' of https://github.com/grpc/grpc into import-ios-library

INSTALL

@@ -14,10 +14,14 @@ A typical unix installation won't require any more steps than running:
   $ make
   # make install
 
-You don't need anything else than GNU Make and gcc. Under a Debian or
-Ubuntu system, this should boil down to the following package:
+You don't need anything else than GNU Make, gcc and autotools. Under a Debian
+or Ubuntu system, this should boil down to the following packages:
 
-  # apt-get install build-essential python-all-dev python-virtualenv
+  # apt-get install build-essential autoconf libtool
+
+Building the python wrapper requires the following:
+
+  # apt-get install python-all-dev python-virtualenv
 
 
 *******************************
@@ -68,33 +72,28 @@ Compiling and running grpc plain-C tests dont't require any more dependency.
 
 
 Compiling and running grpc C++ tests depend on protobuf 3.0.0, gtest and
-gflags. Although gflags and protobuf are provided in third_party, you will
-need to manually install these dependencies on your system to run these tests.
+gflags. Although gflags is provided in third_party, you will need to manually
+install that dependency on your system to run these tests.
 
 Under a Debian or Ubuntu system, you can install the gtests and gflags packages
 using apt-get:
 
   # apt-get install libgflags-dev libgtest-dev
 
-However, protobuf 3.0.0 isn't in a debian package yet: you'll need to compile
-and install it from the sources in the third_party. Note that if you already
-have the protobuf and protoc packages installed on your system, they will most
-likely interfere, and you'll need to uninstall them first.
+However, protobuf 3.0.0 isn't in a debian package yet, but the Makefile will
+automatically try and compile the one present in third_party if you cloned the
+repository recursively, and that it detects your system is lacking it.
 
 Compiling and installing protobuf 3.0.0 requires a few more dependencies in
-itself, notably the autoconf suite, curl, and unzip. If you have apt-get, you
-can install these dependencies this way:
+itself, notably the autoconf suite. If you have apt-get, you can install
+these dependencies this way:
 
-  # apt-get install unzip curl autoconf libtool
+  # apt-get install autoconf libtool
 
-Then, you can build and install protobuf 3.0.0:
+If you want to run the tests using one of the sanitized configurations, you
+will need clang and its instrumented libc++:
 
-  $ cd third_party/protobuf
-  $ ./autogen.sh
-  $ ./configure
-  $ make
-  # make install
-  # ldconfig
+  # apt-get install clang libc++-dev
 
 
 A word on OpenSSL

build.json

@@ -138,8 +138,8 @@
         "src/core/iomgr/iomgr_posix.c",
         "src/core/iomgr/iomgr_windows.c",
         "src/core/iomgr/pollset_kick.c",
-        "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
         "src/core/iomgr/pollset_multipoller_with_epoll.c",
+        "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
         "src/core/iomgr/pollset_posix.c",
         "src/core/iomgr/pollset_windows.c",
         "src/core/iomgr/resolve_address.c",
@@ -292,6 +292,9 @@
       "src": [
         "test/core/util/test_config.c"
       ],
+      "deps": [
+        "gpr"
+      ],
       "vs_project_guid": "{EAB0A629-17A9-44DB-B5FF-E91A721FE037}"
     },
     {
@@ -370,6 +373,10 @@
         "test/core/util/port_posix.c",
         "test/core/util/slice_splitter.c"
       ],
+      "deps": [
+        "gpr",
+        "grpc"
+      ],
       "vs_project_guid": "{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}"
     },
     {
@@ -460,15 +467,15 @@
       ]
     },
     {
-      "name": "tips_client_lib",
+      "name": "pubsub_client_lib",
       "build": "private",
       "language": "c++",
       "src": [
-        "examples/tips/label.proto",
-        "examples/tips/empty.proto",
-        "examples/tips/pubsub.proto",
-        "examples/tips/publisher.cc",
-        "examples/tips/subscriber.cc"
+        "examples/pubsub/label.proto",
+        "examples/pubsub/empty.proto",
+        "examples/pubsub/pubsub.proto",
+        "examples/pubsub/publisher.cc",
+        "examples/pubsub/subscriber.cc"
       ],
       "deps": [
         "grpc++",
@@ -1349,6 +1356,20 @@
         "gpr"
       ]
     },
+    {
+      "name": "multi_init_test",
+      "build": "test",
+      "language": "c",
+      "src": [
+        "test/core/surface/multi_init_test.c"
+      ],
+      "deps": [
+        "grpc_test_util",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
     {
       "name": "murmur_hash_test",
       "build": "test",
@@ -1627,15 +1648,15 @@
       ]
     },
     {
-      "name": "qps_client",
+      "name": "pubsub_client",
       "build": "test",
       "run": false,
       "language": "c++",
       "src": [
-        "test/cpp/qps/qpstest.proto",
-        "test/cpp/qps/client.cc"
+        "examples/pubsub/main.cc"
       ],
       "deps": [
+        "pubsub_client_lib",
         "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
@@ -1645,15 +1666,14 @@
       ]
     },
     {
-      "name": "qps_server",
+      "name": "pubsub_publisher_test",
       "build": "test",
-      "run": false,
       "language": "c++",
       "src": [
-        "test/cpp/qps/qpstest.proto",
-        "test/cpp/qps/server.cc"
+        "examples/pubsub/publisher_test.cc"
       ],
       "deps": [
+        "pubsub_client_lib",
         "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
@@ -1663,30 +1683,15 @@
       ]
     },
     {
-      "name": "ruby_plugin",
-      "build": "protoc",
-      "language": "c++",
-      "headers": [
-        "src/compiler/cpp_generator.h",
-        "src/compiler/cpp_generator_helpers-inl.h",
-        "src/compiler/cpp_generator_map-inl.h",
-        "src/compiler/cpp_generator_string-inl.h"
-      ],
-      "src": [
-        "src/compiler/ruby_generator.cc",
-        "src/compiler/ruby_plugin.cc"
-      ],
-      "deps": [],
-      "secure": false
-    },
-    {
-      "name": "status_test",
+      "name": "pubsub_subscriber_test",
       "build": "test",
       "language": "c++",
       "src": [
-        "test/cpp/util/status_test.cc"
+        "examples/pubsub/subscriber_test.cc"
       ],
       "deps": [
+        "pubsub_client_lib",
+        "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
         "grpc",
@@ -1695,11 +1700,13 @@
       ]
     },
     {
-      "name": "sync_client_async_server_test",
+      "name": "qps_client",
       "build": "test",
+      "run": false,
       "language": "c++",
       "src": [
-        "test/cpp/end2end/sync_client_async_server_test.cc"
+        "test/cpp/qps/qpstest.proto",
+        "test/cpp/qps/client.cc"
       ],
       "deps": [
         "grpc++_test_util",
@@ -1711,13 +1718,16 @@
       ]
     },
     {
-      "name": "thread_pool_test",
+      "name": "qps_server",
       "build": "test",
+      "run": false,
       "language": "c++",
       "src": [
-        "test/cpp/server/thread_pool_test.cc"
+        "test/cpp/qps/qpstest.proto",
+        "test/cpp/qps/server.cc"
       ],
       "deps": [
+        "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
         "grpc",
@@ -1726,16 +1736,30 @@
       ]
     },
     {
-      "name": "tips_client",
+      "name": "ruby_plugin",
+      "build": "protoc",
+      "language": "c++",
+      "headers": [
+        "src/compiler/cpp_generator.h",
+        "src/compiler/cpp_generator_helpers-inl.h",
+        "src/compiler/cpp_generator_map-inl.h",
+        "src/compiler/cpp_generator_string-inl.h"
+      ],
+      "src": [
+        "src/compiler/ruby_generator.cc",
+        "src/compiler/ruby_plugin.cc"
+      ],
+      "deps": [],
+      "secure": false
+    },
+    {
+      "name": "status_test",
       "build": "test",
-      "run": false,
       "language": "c++",
       "src": [
-        "examples/tips/main.cc"
+        "test/cpp/util/status_test.cc"
       ],
       "deps": [
-        "tips_client_lib",
-        "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
         "grpc",
@@ -1744,14 +1768,13 @@
       ]
     },
     {
-      "name": "tips_publisher_test",
+      "name": "sync_client_async_server_test",
       "build": "test",
       "language": "c++",
       "src": [
-        "examples/tips/publisher_test.cc"
+        "test/cpp/end2end/sync_client_async_server_test.cc"
       ],
       "deps": [
-        "tips_client_lib",
         "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
@@ -1761,15 +1784,13 @@
       ]
     },
     {
-      "name": "tips_subscriber_test",
+      "name": "thread_pool_test",
       "build": "test",
       "language": "c++",
       "src": [
-        "examples/tips/subscriber_test.cc"
+        "test/cpp/server/thread_pool_test.cc"
       ],
       "deps": [
-        "tips_client_lib",
-        "grpc++_test_util",
         "grpc_test_util",
         "grpc++",
         "grpc",

examples/tips/README → examples/pubsub/README

@@ -1,4 +1,4 @@
-C++ Client implementation for Cloud Pub/Sub service (TIPS)
+C++ Client implementation for Cloud Pub/Sub service
 (https://developers.google.com/apis-explorer/#p/pubsub/v1beta1/).
 
 "Google Cloud Pub/Sub" API needs to be enabled at
@@ -11,16 +11,20 @@ be created with scope "https://www.googleapis.com/auth/cloud-platform" as below:
 
 gcloud compute instances create instance-name 
     --image debian-7 --scopes https://www.googleapis.com/auth/cloud-platform
+
+Google TLS cert is required to run the client, which can be downloaded from
+Chrome browser.  
    
 To run the client from GCE:
-make tips_client
-bins/opt/tips_client --project_id="your project id"
+make pubsub_client
+GRPC_DEFAULT_SSL_ROOTS_FILE_PATH="Google TLS cert" bins/opt/pubsub_client
+     --project_id="your project id"
     
 A service account credential is required to run the client from other
 environments, which can be generated as a JSON key file from
 https://console.developers.google.com/project/. To run the client with a service 
 account credential:
 
-bins/opt/tips_client
+GRPC_DEFAULT_SSL_ROOTS_FILE_PATH="Google TLS cert" bins/opt/pubsub_client
     --project_id="your project id"
     --service_account_key_file="absolute path to the JSON key file"

examples/tips/main.cc → examples/pubsub/main.cc

@@ -46,8 +46,8 @@
 #include <grpc++/credentials.h>
 #include <grpc++/status.h>
 
-#include "examples/tips/publisher.h"
-#include "examples/tips/subscriber.h"
+#include "examples/pubsub/publisher.h"
+#include "examples/pubsub/subscriber.h"
 #include "test/cpp/util/create_test_channel.h"
 
 DEFINE_int32(server_port, 443, "Server port.");
@@ -82,7 +82,7 @@ grpc::string GetServiceAccountJsonKey() {
 int main(int argc, char** argv) {
   grpc_init();
   google::ParseCommandLineFlags(&argc, &argv, true);
-  gpr_log(GPR_INFO, "Start TIPS client");
+  gpr_log(GPR_INFO, "Start PUBSUB client");
 
   std::ostringstream ss;
 
@@ -104,8 +104,8 @@ int main(int argc, char** argv) {
           true,                // use prod roots
           creds));
 
-  grpc::examples::tips::Publisher publisher(channel);
-  grpc::examples::tips::Subscriber subscriber(channel);
+  grpc::examples::pubsub::Publisher publisher(channel);
+  grpc::examples::pubsub::Subscriber subscriber(channel);
 
   GPR_ASSERT(FLAGS_project_id != "");
   ss.str("");

examples/tips/publisher.cc → examples/pubsub/publisher.cc

@@ -35,7 +35,7 @@
 
 #include <grpc++/client_context.h>
 
-#include "examples/tips/publisher.h"
+#include "examples/pubsub/publisher.h"
 
 using tech::pubsub::Topic;
 using tech::pubsub::DeleteTopicRequest;
@@ -48,7 +48,7 @@ using tech::pubsub::PubsubMessage;
 
 namespace grpc {
 namespace examples {
-namespace tips {
+namespace pubsub {
 
 Publisher::Publisher(std::shared_ptr<ChannelInterface> channel)
     : stub_(PublisherService::NewStub(channel)) {
@@ -119,6 +119,6 @@ Status Publisher::Publish(const grpc::string& topic, const grpc::string& data) {
   return stub_->Publish(&context, request, &response);
 }
 
-}  // namespace tips
+}  // namespace pubsub
 }  // namespace examples
 }  // namespace grpc

examples/tips/publisher.h → examples/pubsub/publisher.h

@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_
-#define __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_
+#ifndef __GRPCPP_EXAMPLES_PUBSUB_PUBLISHER_H_
+#define __GRPCPP_EXAMPLES_PUBSUB_PUBLISHER_H_
 
 #include <grpc++/channel_interface.h>
 #include <grpc++/status.h>
 
-#include "examples/tips/pubsub.pb.h"
+#include "examples/pubsub/pubsub.pb.h"
 
 namespace grpc {
 namespace examples {
-namespace tips {
+namespace pubsub {
 
 class Publisher {
  public:
@@ -60,8 +60,8 @@ class Publisher {
   std::unique_ptr<tech::pubsub::PublisherService::Stub> stub_;
 };
 
-}  // namespace tips
+}  // namespace pubsub
 }  // namespace examples
 }  // namespace grpc
 
-#endif  // __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_
+#endif  // __GRPCPP_EXAMPLES_PUBSUB_PUBLISHER_H_

examples/tips/publisher_test.cc → examples/pubsub/publisher_test.cc

@@ -43,7 +43,7 @@
 #include <grpc++/status.h>
 #include <gtest/gtest.h>
 
-#include "examples/tips/publisher.h"
+#include "examples/pubsub/publisher.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -112,7 +112,7 @@ class PublisherTest : public ::testing::Test {
 
     channel_ = CreateChannel(server_address_.str(), ChannelArguments());
 
-    publisher_.reset(new grpc::examples::tips::Publisher(channel_));
+    publisher_.reset(new grpc::examples::pubsub::Publisher(channel_));
   }
 
   void TearDown() override {
@@ -126,7 +126,7 @@ class PublisherTest : public ::testing::Test {
 
   std::shared_ptr<ChannelInterface> channel_;
 
-  std::unique_ptr<grpc::examples::tips::Publisher> publisher_;
+  std::unique_ptr<grpc::examples::pubsub::Publisher> publisher_;
 };
 
 TEST_F(PublisherTest, TestPublisher) {

examples/tips/pubsub.proto → examples/pubsub/pubsub.proto

@@ -4,8 +4,8 @@
 
 syntax = "proto2";
 
-import "examples/tips/empty.proto";
-import "examples/tips/label.proto";
+import "examples/pubsub/empty.proto";
+import "examples/pubsub/label.proto";
 
 package tech.pubsub;
 

examples/tips/subscriber.cc → examples/pubsub/subscriber.cc

@@ -33,7 +33,7 @@
 
 #include <grpc++/client_context.h>
 
-#include "examples/tips/subscriber.h"
+#include "examples/pubsub/subscriber.h"
 
 using tech::pubsub::Topic;
 using tech::pubsub::DeleteTopicRequest;
@@ -46,7 +46,7 @@ using tech::pubsub::PubsubMessage;
 
 namespace grpc {
 namespace examples {
-namespace tips {
+namespace pubsub {
 
 Subscriber::Subscriber(std::shared_ptr<ChannelInterface> channel)
     : stub_(SubscriberService::NewStub(channel)) {
@@ -113,6 +113,6 @@ Status Subscriber::Pull(const grpc::string& name, grpc::string* data) {
   return s;
 }
 
-}  // namespace tips
+}  // namespace pubsub
 }  // namespace examples
 }  // namespace grpc

examples/tips/subscriber.h → examples/pubsub/subscriber.h

@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_
-#define __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_
+#ifndef __GRPCPP_EXAMPLES_PUBSUB_SUBSCRIBER_H_
+#define __GRPCPP_EXAMPLES_PUBSUB_SUBSCRIBER_H_
 
 #include <grpc++/channel_interface.h>
 #include <grpc++/status.h>
 
-#include "examples/tips/pubsub.pb.h"
+#include "examples/pubsub/pubsub.pb.h"
 
 namespace grpc {
 namespace examples {
-namespace tips {
+namespace pubsub {
 
 class Subscriber {
  public:
@@ -61,8 +61,8 @@ class Subscriber {
   std::unique_ptr<tech::pubsub::SubscriberService::Stub> stub_;
 };
 
-}  // namespace tips
+}  // namespace pubsub
 }  // namespace examples
 }  // namespace grpc
 
-#endif  // __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_
+#endif  // __GRPCPP_EXAMPLES_PUBSUB_SUBSCRIBER_H_

examples/tips/subscriber_test.cc → examples/pubsub/subscriber_test.cc

@@ -43,7 +43,7 @@
 #include <grpc++/status.h>
 #include <gtest/gtest.h>
 
-#include "examples/tips/subscriber.h"
+#include "examples/pubsub/subscriber.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -111,7 +111,7 @@ class SubscriberTest : public ::testing::Test {
 
     channel_ = CreateChannel(server_address_.str(), ChannelArguments());
 
-    subscriber_.reset(new grpc::examples::tips::Subscriber(channel_));
+    subscriber_.reset(new grpc::examples::pubsub::Subscriber(channel_));
   }
 
   void TearDown() override {
@@ -125,7 +125,7 @@ class SubscriberTest : public ::testing::Test {
 
   std::shared_ptr<ChannelInterface> channel_;
 
-  std::unique_ptr<grpc::examples::tips::Subscriber> subscriber_;
+  std::unique_ptr<grpc::examples::pubsub::Subscriber> subscriber_;
 };
 
 TEST_F(SubscriberTest, TestSubscriber) {

include/grpc/grpc.h

@@ -44,7 +44,7 @@
 extern "C" {
 #endif
 
-/* Completion Channels enable notification of the completion of asynchronous
+/* Completion Queues enable notification of the completion of asynchronous
    actions. */
 typedef struct grpc_completion_queue grpc_completion_queue;
 
@@ -156,7 +156,8 @@ typedef enum grpc_op_error {
 struct grpc_byte_buffer;
 typedef struct grpc_byte_buffer grpc_byte_buffer;
 
-/* Sample helpers to obtain byte buffers (these will certainly move place */
+/* Sample helpers to obtain byte buffers (these will certainly move
+   someplace else) */
 grpc_byte_buffer *grpc_byte_buffer_create(gpr_slice *slices, size_t nslices);
 grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb);
 size_t grpc_byte_buffer_length(grpc_byte_buffer *bb);
@@ -340,12 +341,12 @@ typedef struct grpc_op {
 /* Initialize the grpc library */
 void grpc_init(void);
 
-/* Shutdown the grpc library */
+/* Shut down the grpc library */
 void grpc_shutdown(void);
 
 grpc_completion_queue *grpc_completion_queue_create(void);
 
-/* Blocks until an event is available, the completion queue is being shutdown,
+/* Blocks until an event is available, the completion queue is being shut down,
    or deadline is reached. Returns NULL on timeout, otherwise the event that
    occurred. Callers should call grpc_event_finish once they have processed
    the event.
@@ -365,7 +366,7 @@ grpc_event *grpc_completion_queue_next(grpc_completion_queue *cq,
 grpc_event *grpc_completion_queue_pluck(grpc_completion_queue *cq, void *tag,
                                         gpr_timespec deadline);
 
-/* Cleanup any data owned by the event */
+/* Clean up any data owned by the event */
 void grpc_event_finish(grpc_event *event);
 
 /* Begin destruction of a completion queue. Once all possible events are
@@ -548,16 +549,11 @@ grpc_call_error grpc_server_request_call(
 grpc_server *grpc_server_create(grpc_completion_queue *cq,
                                 const grpc_channel_args *args);
 
-/* Add a http2 over tcp listener.
+/* Add a HTTP2 over plaintext over tcp listener.
    Returns bound port number on success, 0 on failure.
    REQUIRES: server not started */
 int grpc_server_add_http2_port(grpc_server *server, const char *addr);
 
-/* Add a secure port to server.
-   Returns bound port number on success, 0 on failure.
-   REQUIRES: server not started */
-int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr);
-
 /* Start a server - tells all listeners to start listening */
 void grpc_server_start(grpc_server *server);
 

include/grpc/grpc_security.h

@@ -162,6 +162,13 @@ grpc_server *grpc_secure_server_create(grpc_server_credentials *creds,
                                        grpc_completion_queue *cq,
                                        const grpc_channel_args *args);
 
+/* Add a HTTP2 over an encrypted link over tcp listener.
+   Server must have been created with grpc_secure_server_create.
+   Returns bound port number on success, 0 on failure.
+   REQUIRES: server not started */
+int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr);
+
+
 #ifdef __cplusplus
 }
 #endif

include/grpc/support/port_platform.h

@@ -37,10 +37,6 @@
 /* Override this file with one for your platform if you need to redefine
    things.  */
 
-/* For a common case, assume that the platform has a C99-like stdint.h */
-
-#include <stdint.h>
-
 #if !defined(GPR_NO_AUTODETECT_PLATFORM)
 #if defined(_WIN64) || defined(WIN64)
 #define GPR_WIN32 1
@@ -70,15 +66,43 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #elif defined(__linux__)
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <features.h>
 #define GPR_CPU_LINUX 1
 #define GPR_GCC_ATOMIC 1
 #define GPR_LINUX 1
 #define GPR_LINUX_MULTIPOLL_WITH_EPOLL 1
 #define GPR_POSIX_WAKEUP_FD 1
-#define GPR_LINUX_EVENTFD 1
 #define GPR_POSIX_SOCKET 1
 #define GPR_POSIX_SOCKETADDR 1
+#ifdef __GLIBC_PREREQ
+#if __GLIBC_PREREQ(2, 9)
+#define GPR_LINUX_EVENTFD 1
+#endif
+#if __GLIBC_PREREQ(2, 10)
+#define GPR_LINUX_SOCKETUTILS 1
+#endif
+#if __GLIBC_PREREQ(2, 17)
 #define GPR_LINUX_ENV 1
+#endif
+#endif
+#ifndef GPR_LINUX_EVENTFD
+#define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
+#endif
+#ifndef GPR_LINUX_SOCKETUTILS
+#define GPR_POSIX_SOCKETUTILS
+#endif
+#ifndef GPR_LINUX_ENV
+#define GPR_POSIX_ENV 1
+#endif
 #define GPR_POSIX_FILE 1
 #define GPR_POSIX_STRING 1
 #define GPR_POSIX_SYNC 1
@@ -90,6 +114,9 @@
 #define GPR_ARCH_32 1
 #endif /* _LP64 */
 #elif defined(__APPLE__)
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
 #define GPR_CPU_POSIX 1
 #define GPR_GCC_ATOMIC 1
 #define GPR_POSIX_LOG 1
@@ -115,6 +142,10 @@
 #endif
 #endif /* GPR_NO_AUTODETECT_PLATFORM */
 
+/* For a common case, assume that the platform has a C99-like stdint.h */
+
+#include <stdint.h>
+
 /* Cache line alignment */
 #ifndef GPR_CACHELINE_SIZE
 #if defined(__i386__) || defined(__x86_64__)

src/core/channel/connected_channel.c

@@ -467,17 +467,11 @@ static void transport_goaway(void *user_data, grpc_transport *transport,
   /* transport got goaway ==> call up and handle it */
   grpc_channel_element *elem = user_data;
   channel_data *chand = elem->channel_data;
-  char *msg;
   grpc_channel_op op;
 
   GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   GPR_ASSERT(chand->transport == transport);
 
-  msg = gpr_hexdump((const char *)GPR_SLICE_START_PTR(debug),
-                    GPR_SLICE_LENGTH(debug), GPR_HEXDUMP_PLAINTEXT);
-  gpr_log(GPR_DEBUG, "got goaway: status=%d, message=%s", status, msg);
-  gpr_free(msg);
-
   op.type = GRPC_TRANSPORT_GOAWAY;
   op.dir = GRPC_CALL_UP;
   op.data.goaway.status = status;

src/core/iomgr/fd_posix.c

@@ -104,14 +104,17 @@ static void destroy(grpc_fd *fd) {
 }
 
 static void ref_by(grpc_fd *fd, int n) {
-  gpr_atm_no_barrier_fetch_add(&fd->refst, n);
+  GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
 }
 
 static void unref_by(grpc_fd *fd, int n) {
-  if (gpr_atm_full_fetch_add(&fd->refst, -n) == n) {
+  gpr_atm old = gpr_atm_full_fetch_add(&fd->refst, -n);
+  if (old == n) {
     grpc_iomgr_add_callback(fd->on_done, fd->on_done_user_data);
     freelist_fd(fd);
     grpc_iomgr_unref();
+  } else {
+    GPR_ASSERT(old > n);
   }
 }
 

src/core/iomgr/pollset_posix.c

@@ -214,6 +214,7 @@ static void unary_poll_pollset_add_fd(grpc_pollset *pollset, grpc_fd *fd) {
      * unary poller */
     grpc_fd_unref(fds[0]);
     pollset->data.ptr = fd;
+    grpc_fd_ref(fd);
   }
 }
 

src/core/iomgr/resolve_address.c

@@ -39,6 +39,7 @@
 #include "src/core/iomgr/resolve_address.h"
 
 #include <sys/types.h>
+#include <sys/un.h>
 #include <string.h>
 
 #include "src/core/iomgr/iomgr_internal.h"
@@ -123,6 +124,19 @@ grpc_resolved_addresses *grpc_blocking_resolve_address(
   size_t i;
   grpc_resolved_addresses *addrs = NULL;
   const gpr_timespec start_time = gpr_now();
+  struct sockaddr_un *un;
+
+  if (name[0] == 'u' && name[1] == 'n' && name[2] == 'i' && name[3] == 'x' &&
+      name[4] == ':' && name[5] != 0) {
+    addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(grpc_resolved_address));
+    un = (struct sockaddr_un *)addrs->addrs->addr;
+    un->sun_family = AF_UNIX;
+    strcpy(un->sun_path, name + 5);
+    addrs->addrs->len = strlen(un->sun_path) + sizeof(un->sun_family);
+    return addrs;
+  }
 
   /* parse name, splitting it into host and port parts */
   split_host_port(name, &host, &port);

src/core/iomgr/sockaddr_utils.c

@@ -166,6 +166,8 @@ int grpc_sockaddr_get_port(const struct sockaddr *addr) {
       return ntohs(((struct sockaddr_in *)addr)->sin_port);
     case AF_INET6:
       return ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
+    case AF_UNIX:
+      return 1;
     default:
       gpr_log(GPR_ERROR, "Unknown socket family %d in %s", addr->sa_family,
               __FUNCTION__);

src/core/iomgr/socket_utils_linux.c

@@ -31,12 +31,9 @@
  *
  */
 
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
 #include <grpc/support/port_platform.h>
 
-#ifdef GPR_LINUX
+#ifdef GPR_LINUX_SOCKETUTILS
 
 #include "src/core/iomgr/socket_utils_posix.h"
 

src/core/iomgr/tcp_client_posix.c

@@ -62,13 +62,13 @@ typedef struct {
   int refs;
 } async_connect;
 
-static int prepare_socket(int fd) {
+static int prepare_socket(const struct sockaddr *addr, int fd) {
   if (fd < 0) {
     goto error;
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      !grpc_set_socket_low_latency(fd, 1)) {
+      (addr->sa_family != AF_UNIX && !grpc_set_socket_low_latency(fd, 1))) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
             strerror(errno));
     goto error;
@@ -200,7 +200,7 @@ void grpc_tcp_client_connect(void (*cb)(void *arg, grpc_endpoint *ep),
     addr = (struct sockaddr *)&addr4_copy;
     addr_len = sizeof(addr4_copy);
   }
-  if (!prepare_socket(fd)) {
+  if (!prepare_socket(addr, fd)) {
     cb(arg, NULL);
     return;
   }

src/core/iomgr/tcp_server_posix.c

@@ -42,18 +42,21 @@
 
 #include "src/core/iomgr/tcp_server.h"
 
-#include <limits.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <stdio.h>
-#include <sys/types.h>
+#include <string.h>
 #include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
 #include <unistd.h>
-#include <string.h>
-#include <errno.h>
 
 #include "src/core/iomgr/pollset_posix.h"
+#include "src/core/iomgr/resolve_address.h"
 #include "src/core/iomgr/sockaddr_utils.h"
 #include "src/core/iomgr/socket_utils_posix.h"
 #include "src/core/iomgr/tcp_posix.h"
@@ -73,8 +76,22 @@ typedef struct {
   int fd;
   grpc_fd *emfd;
   grpc_tcp_server *server;
+  union {
+    gpr_uint8 untyped[GRPC_MAX_SOCKADDR_SIZE];
+    struct sockaddr sockaddr;
+    struct sockaddr_un un;
+  } addr;
+  int addr_len;
 } server_port;
 
+static void unlink_if_unix_domain_socket(const struct sockaddr_un *un) {
+  struct stat st;
+
+  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
+    unlink(un->sun_path);
+  }
+}
+
 /* the overall server */
 struct grpc_tcp_server {
   grpc_tcp_server_cb cb;
@@ -121,6 +138,9 @@ void grpc_tcp_server_destroy(grpc_tcp_server *s) {
   /* delete ALL the things */
   for (i = 0; i < s->nports; i++) {
     server_port *sp = &s->ports[i];
+    if (sp->addr.sockaddr.sa_family == AF_UNIX) {
+      unlink_if_unix_domain_socket(&sp->addr.un);
+    }
     grpc_fd_orphan(sp->emfd, NULL, NULL);
   }
   gpr_free(s->ports);
@@ -170,8 +190,8 @@ static int prepare_socket(int fd, const struct sockaddr *addr, int addr_len) {
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      !grpc_set_socket_low_latency(fd, 1) ||
-      !grpc_set_socket_reuse_addr(fd, 1)) {
+      (addr->sa_family != AF_UNIX && (!grpc_set_socket_low_latency(fd, 1) ||
+                                      !grpc_set_socket_reuse_addr(fd, 1)))) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
             strerror(errno));
     goto error;
@@ -265,6 +285,8 @@ static int add_socket_to_server(grpc_tcp_server *s, int fd,
     sp->server = s;
     sp->fd = fd;
     sp->emfd = grpc_fd_create(fd);
+    memcpy(sp->addr.untyped, addr, addr_len);
+    sp->addr_len = addr_len;
     GPR_ASSERT(sp->emfd);
     gpr_mu_unlock(&s->mu);
   }
@@ -288,6 +310,10 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
   socklen_t sockname_len;
   int port;
 
+  if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
+    unlink_if_unix_domain_socket(addr);
+  }
+
   /* Check if this is a wildcard port, and if so, try to keep the port the same
      as some previously created listener. */
   if (grpc_sockaddr_get_port(addr) == 0) {

src/core/security/security_context.c

@@ -349,11 +349,13 @@ static grpc_security_status ssl_channel_check_peer(grpc_security_context *ctx,
                                                    void *user_data) {
   grpc_ssl_channel_security_context *c =
       (grpc_ssl_channel_security_context *)ctx;
-  grpc_security_status status = ssl_check_peer(c->overridden_target_name != NULL
-                                                   ? c->overridden_target_name
-                                                   : c->target_name,
-                                               &peer);
+  grpc_security_status status;
+  tsi_peer_destruct(&c->peer);
   c->peer = peer;
+  status = ssl_check_peer(c->overridden_target_name != NULL
+                              ? c->overridden_target_name
+                              : c->target_name,
+                          &peer);
   return status;
 }
 

src/core/support/file_posix.c

@@ -31,19 +31,6 @@
  *
  */
 
-/* Posix code for gpr fdopen and mkstemp support. */
-
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 200112L
-#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 200112L
-#endif
-
-/* Don't know why I have to do this for mkstemp, looks like _POSIX_C_SOURCE
-   should be enough... */
-#ifndef _BSD_SOURCE
-#define _BSD_SOURCE
-#endif
-
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_POSIX_FILE

src/core/support/log_posix.c

@@ -31,16 +31,6 @@
  *
  */
 
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 200112L
-#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 200112L
-#endif
-
-/* FIXME: "posix" files probably shouldn't depend on _GNU_SOURCE */
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
 #include <grpc/support/port_platform.h>
 
 #if defined(GPR_POSIX_LOG)

src/core/support/string_posix.c

@@ -31,13 +31,6 @@
  *
  */
 
-/* Posix code for gpr snprintf support. */
-
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 200112L
-#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 200112L
-#endif
-
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_POSIX_STRING

src/core/support/sync_posix.c

@@ -31,13 +31,6 @@
  *
  */
 
-/* Posix gpr synchroization support code. */
-
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 199309L
-#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199309L
-#endif
-
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_POSIX_SYNC

src/core/support/time_posix.c

@@ -31,14 +31,6 @@
  *
  */
 
-/* Posix code for gpr time support. */
-
-/* So we get nanosleep and clock_* */
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 199309L
-#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199309L
-#endif
-
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_POSIX_TIME
@@ -70,7 +62,9 @@ gpr_timespec gpr_now(void) {
 }
 #else
 /* For some reason Apple's OSes haven't implemented clock_gettime. */
-/* TODO(klempner): Add special handling for Apple. */
+
+#include <sys/time.h>
+
 gpr_timespec gpr_now(void) {
   gpr_timespec now;
   struct timeval now_tv;

src/core/surface/call.c

@@ -514,32 +514,32 @@ static void finish_ioreq_op(grpc_call *call, grpc_ioreq_op op,
   }
 }
 
-static void finish_send_op(grpc_call *call, grpc_ioreq_op op,
+static void finish_send_op(grpc_call *call, grpc_ioreq_op op, write_state ws,
                            grpc_op_error error) {
   lock(call);
   finish_ioreq_op(call, op, error);
   call->sending = 0;
+  call->write_state = ws;
   unlock(call);
   grpc_call_internal_unref(call, 0);
 }
 
 static void finish_write_step(void *pc, grpc_op_error error) {
-  finish_send_op(pc, GRPC_IOREQ_SEND_MESSAGE, error);
+  finish_send_op(pc, GRPC_IOREQ_SEND_MESSAGE, WRITE_STATE_STARTED, error);
 }
 
 static void finish_finish_step(void *pc, grpc_op_error error) {
-  finish_send_op(pc, GRPC_IOREQ_SEND_CLOSE, error);
+  finish_send_op(pc, GRPC_IOREQ_SEND_CLOSE, WRITE_STATE_WRITE_CLOSED, error);
 }
 
 static void finish_start_step(void *pc, grpc_op_error error) {
-  finish_send_op(pc, GRPC_IOREQ_SEND_INITIAL_METADATA, error);
+  finish_send_op(pc, GRPC_IOREQ_SEND_INITIAL_METADATA, WRITE_STATE_STARTED, error);
 }
 
 static send_action choose_send_action(grpc_call *call) {
   switch (call->write_state) {
     case WRITE_STATE_INITIAL:
       if (is_op_live(call, GRPC_IOREQ_SEND_INITIAL_METADATA)) {
-        call->write_state = WRITE_STATE_STARTED;
         if (is_op_live(call, GRPC_IOREQ_SEND_MESSAGE) || is_op_live(call, GRPC_IOREQ_SEND_CLOSE)) {
           return SEND_BUFFERED_INITIAL_METADATA;
         } else {
@@ -555,7 +555,6 @@ static send_action choose_send_action(grpc_call *call) {
           return SEND_MESSAGE;
         }
       } else if (is_op_live(call, GRPC_IOREQ_SEND_CLOSE)) {
-        call->write_state = WRITE_STATE_WRITE_CLOSED;
         finish_ioreq_op(call, GRPC_IOREQ_SEND_TRAILING_METADATA, GRPC_OP_OK);
         finish_ioreq_op(call, GRPC_IOREQ_SEND_STATUS, GRPC_OP_OK);
         if (call->is_client) {
@@ -992,6 +991,12 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
   const grpc_op *op;
   grpc_ioreq *req;
 
+  if (nops == 0) {
+    grpc_cq_begin_op(call->cq, call, GRPC_OP_COMPLETE);
+    grpc_cq_end_op_complete(call->cq, tag, call, do_nothing, NULL, GRPC_OP_OK);
+    return GRPC_CALL_OK;
+  }
+
   /* rewrite batch ops into ioreq ops */
   for (in = 0, out = 0; in < nops; in++) {
     op = &ops[in];

src/core/surface/init.c

@@ -35,12 +35,32 @@
 #include "src/core/statistics/census_interface.h"
 #include "src/core/iomgr/iomgr.h"
 
+static gpr_once g_init = GPR_ONCE_INIT;
+static gpr_mu g_init_mu;
+static int g_initializations;
+
+static void do_init() {
+  gpr_mu_init(&g_init_mu);
+  g_initializations = 0;
+}
+
 void grpc_init(void) {
-  grpc_iomgr_init();
-  census_init();
+  gpr_once_init(&g_init, do_init);
+
+  gpr_mu_lock(&g_init_mu);
+  if (++g_initializations == 1) {
+    grpc_iomgr_init();
+    census_init();
+  }
+  gpr_mu_unlock(&g_init_mu);
 }
 
 void grpc_shutdown(void) {
-  grpc_iomgr_shutdown();
-  census_shutdown();
+  gpr_mu_lock(&g_init_mu);
+  if (--g_initializations == 0) {
+    grpc_iomgr_shutdown();
+    census_shutdown();
+  }
+  gpr_mu_unlock(&g_init_mu);
 }
+

src/core/transport/chttp2_transport.c

@@ -184,11 +184,13 @@ struct transport {
   gpr_uint8 is_client;
 
   gpr_mu mu;
+  gpr_cv cv;
 
   /* basic state management - what are we doing at the moment? */
   gpr_uint8 reading;
   gpr_uint8 writing;
   gpr_uint8 calling_back;
+  gpr_uint8 destroying;
   error_state error_state;
 
   /* stream indexing */
@@ -362,6 +364,7 @@ static void unref_transport(transport *t) {
 
   gpr_mu_unlock(&t->mu);
   gpr_mu_destroy(&t->mu);
+  gpr_cv_destroy(&t->cv);
 
   /* callback remaining pings: they're not allowed to call into the transpot,
      and maybe they hold resources that need to be freed */
@@ -397,6 +400,7 @@ static void init_transport(transport *t, grpc_transport_setup_callback setup,
   /* one ref is for destroy, the other for when ep becomes NULL */
   gpr_ref_init(&t->refs, 2);
   gpr_mu_init(&t->mu);
+  gpr_cv_init(&t->cv);
   t->metadata_context = mdctx;
   t->str_grpc_timeout =
       grpc_mdstr_from_string(t->metadata_context, "grpc-timeout");
@@ -405,6 +409,7 @@ static void init_transport(transport *t, grpc_transport_setup_callback setup,
   t->error_state = ERROR_STATE_NONE;
   t->next_stream_id = is_client ? 1 : 2;
   t->last_incoming_stream_id = 0;
+  t->destroying = 0;
   t->is_client = is_client;
   t->outgoing_window = DEFAULT_WINDOW;
   t->incoming_window = DEFAULT_WINDOW;
@@ -487,6 +492,7 @@ static void init_transport(transport *t, grpc_transport_setup_callback setup,
   t->cb = sr.callbacks;
   t->cb_user_data = sr.user_data;
   t->calling_back = 0;
+  if (t->destroying) gpr_cv_signal(&t->cv);
   unlock(t);
   unref_transport(t);
 }
@@ -495,6 +501,10 @@ static void destroy_transport(grpc_transport *gt) {
   transport *t = (transport *)gt;
 
   gpr_mu_lock(&t->mu);
+  t->destroying = 1;
+  while (t->calling_back) {
+    gpr_cv_wait(&t->cv, &t->mu, gpr_inf_future);
+  }
   t->cb = NULL;
   gpr_mu_unlock(&t->mu);
 
@@ -684,10 +694,11 @@ static void unlock(transport *t) {
   int i;
   pending_goaway *goaways = NULL;
   grpc_endpoint *ep = t->ep;
-  grpc_stream_op_buffer nuke_now = t->nuke_later_sopb;
-
-  if (nuke_now.nops) {
-    memset(&t->nuke_later_sopb, 0, sizeof(t->nuke_later_sopb));
+  grpc_stream_op_buffer nuke_now;
+  
+  grpc_sopb_init(&nuke_now);
+  if (t->nuke_later_sopb.nops) {
+    grpc_sopb_swap(&nuke_now, &t->nuke_later_sopb);
   }
 
   /* see if we need to trigger a write - and if so, get the data ready */
@@ -753,13 +764,12 @@ static void unlock(transport *t) {
   if (perform_callbacks || call_closed || num_goaways) {
     lock(t);
     t->calling_back = 0;
+    if (t->destroying) gpr_cv_signal(&t->cv);
     unlock(t);
     unref_transport(t);
   }
 
-  if (nuke_now.nops) {
-    grpc_sopb_destroy(&nuke_now);
-  }
+  grpc_sopb_destroy(&nuke_now);
 
   gpr_free(goaways);
 }
@@ -1698,13 +1708,10 @@ static grpc_stream_state compute_state(gpr_uint8 write_closed,
 
 static int prepare_callbacks(transport *t) {
   stream *s;
-  grpc_stream_op_buffer temp_sopb;
   int n = 0;
   while ((s = stream_list_remove_head(t, PENDING_CALLBACKS))) {
     int execute = 1;
-    temp_sopb = s->parser.incoming_sopb;
-    s->parser.incoming_sopb = s->callback_sopb;
-    s->callback_sopb = temp_sopb;
+    grpc_sopb_swap(&s->parser.incoming_sopb, &s->callback_sopb);
 
     s->callback_state = compute_state(s->sent_write_closed, s->read_closed);
     if (s->callback_state == GRPC_STREAM_CLOSED) {

src/core/transport/stream_op.c

@@ -38,23 +38,19 @@
 
 #include <string.h>
 
-/* Initial number of operations to allocate */
-#define INITIAL_SLOTS 8
 /* Exponential growth function: Given x, return a larger x.
-   Currently we grow by 1.5 times upon reallocation.
-   Assumes INITIAL_SLOTS > 1 */
+   Currently we grow by 1.5 times upon reallocation. */
 #define GROW(x) (3 * (x) / 2)
 
 void grpc_sopb_init(grpc_stream_op_buffer *sopb) {
-  sopb->ops = gpr_malloc(sizeof(grpc_stream_op) * INITIAL_SLOTS);
-  GPR_ASSERT(sopb->ops);
+  sopb->ops = sopb->inlined_ops;
   sopb->nops = 0;
-  sopb->capacity = INITIAL_SLOTS;
+  sopb->capacity = GRPC_SOPB_INLINE_ELEMENTS;
 }
 
 void grpc_sopb_destroy(grpc_stream_op_buffer *sopb) {
   grpc_stream_ops_unref_owned_objects(sopb->ops, sopb->nops);
-  gpr_free(sopb->ops);
+  if (sopb->ops != sopb->inlined_ops) gpr_free(sopb->ops);
 }
 
 void grpc_sopb_reset(grpc_stream_op_buffer *sopb) {
@@ -62,6 +58,19 @@ void grpc_sopb_reset(grpc_stream_op_buffer *sopb) {
   sopb->nops = 0;
 }
 
+void grpc_sopb_swap(grpc_stream_op_buffer *a, grpc_stream_op_buffer *b) {
+  grpc_stream_op_buffer temp = *a;
+  *a = *b;
+  *b = temp;
+
+  if (a->ops == b->inlined_ops) {
+    a->ops = a->inlined_ops;
+  }
+  if (b->ops == a->inlined_ops) {
+    b->ops = b->inlined_ops;
+  }
+}
+
 void grpc_stream_ops_unref_owned_objects(grpc_stream_op *ops, size_t nops) {
   size_t i;
   for (i = 0; i < nops; i++) {
@@ -84,17 +93,21 @@ void grpc_stream_ops_unref_owned_objects(grpc_stream_op *ops, size_t nops) {
   }
 }
 
-static void expand(grpc_stream_op_buffer *sopb) {
-  sopb->capacity = GROW(sopb->capacity);
-  sopb->ops = gpr_realloc(sopb->ops, sizeof(grpc_stream_op) * sopb->capacity);
-  GPR_ASSERT(sopb->ops);
+static void expandto(grpc_stream_op_buffer *sopb, size_t new_capacity) {
+  sopb->capacity = new_capacity;
+  if (sopb->ops == sopb->inlined_ops) {
+    sopb->ops = gpr_malloc(sizeof(grpc_stream_op) * new_capacity);
+    memcpy(sopb->ops, sopb->inlined_ops, sopb->nops * sizeof(grpc_stream_op));
+  } else {
+    sopb->ops = gpr_realloc(sopb->ops, sizeof(grpc_stream_op) * new_capacity);
+  }
 }
 
 static grpc_stream_op *add(grpc_stream_op_buffer *sopb) {
   grpc_stream_op *out;
 
   if (sopb->nops == sopb->capacity) {
-    expand(sopb);
+    expandto(sopb, GROW(sopb->capacity));
   }
   out = sopb->ops + sopb->nops;
   sopb->nops++;
@@ -152,12 +165,7 @@ void grpc_sopb_append(grpc_stream_op_buffer *sopb, grpc_stream_op *ops,
   size_t new_nops = orig_nops + nops;
 
   if (new_nops > sopb->capacity) {
-    size_t new_capacity = GROW(sopb->capacity);
-    if (new_capacity < new_nops) {
-      new_capacity = new_nops;
-    }
-    sopb->ops = gpr_realloc(sopb->ops, sizeof(grpc_stream_op) * new_capacity);
-    sopb->capacity = new_capacity;
+    expandto(sopb, GPR_MAX(GROW(sopb->capacity), new_nops));
   }
 
   memcpy(sopb->ops + orig_nops, ops, sizeof(grpc_stream_op) * nops);

src/core/transport/stream_op.h

@@ -40,6 +40,9 @@
 #include <grpc/support/time.h>
 #include "src/core/transport/metadata.h"
 
+/* this many stream ops are inlined into a sopb before allocating */
+#define GRPC_SOPB_INLINE_ELEMENTS 16
+
 /* Operations that can be performed on a stream.
    Used by grpc_stream_op. */
 typedef enum grpc_stream_op_code {
@@ -96,6 +99,7 @@ typedef struct grpc_stream_op_buffer {
   grpc_stream_op *ops;
   size_t nops;
   size_t capacity;
+  grpc_stream_op inlined_ops[GRPC_SOPB_INLINE_ELEMENTS];
 } grpc_stream_op_buffer;
 
 /* Initialize a stream op buffer */
@@ -104,6 +108,8 @@ void grpc_sopb_init(grpc_stream_op_buffer *sopb);
 void grpc_sopb_destroy(grpc_stream_op_buffer *sopb);
 /* Reset a sopb to no elements */
 void grpc_sopb_reset(grpc_stream_op_buffer *sopb);
+/* Swap two sopbs */
+void grpc_sopb_swap(grpc_stream_op_buffer *a, grpc_stream_op_buffer *b);
 
 void grpc_stream_ops_unref_owned_objects(grpc_stream_op *ops, size_t nops);
 

src/csharp/GrpcApi/MathExamples.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading.Tasks;
 using System.Collections.Generic;

src/csharp/GrpcApi/MathGrpc.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading;
 using System.Threading.Tasks;

src/csharp/GrpcApi/MathServiceImpl.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading;
 using System.Threading.Tasks;

src/csharp/GrpcApi/proto/test.proto

@@ -14,7 +14,7 @@ service TestService {
   rpc EmptyCall(grpc.testing.Empty) returns (grpc.testing.Empty);
 
   // One request followed by one response.
-  // The server returns the client payload as-is.
+  // TODO(Issue 527): Describe required server behavior.
   rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
 
   // One request followed by a sequence of responses (streamed download).

src/csharp/GrpcApiTests/MathClientServerTests.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using NUnit.Framework;
 using Google.GRPC.Core;
@@ -13,7 +46,7 @@ namespace math.Tests
     /// </summary>
     public class MathClientServerTest
     {
-        string serverAddr = "localhost:" + PortPicker.PickUnusedPort();
+        string host = "localhost";
         Server server;
         Channel channel;
         MathGrpc.IMathServiceClient client;
@@ -21,11 +54,13 @@ namespace math.Tests
         [TestFixtureSetUp]
         public void Init()
         {
+            GrpcEnvironment.Initialize();
+
             server = new Server();
             server.AddServiceDefinition(MathGrpc.BindService(new MathServiceImpl()));
-            server.AddPort(serverAddr);
+            int port = server.AddPort(host + ":0");
             server.Start();
-            channel = new Channel(serverAddr);
+            channel = new Channel(host + ":" + port);
             client = MathGrpc.NewStub(channel);
         }
 

src/csharp/GrpcCore/Call.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 

src/csharp/GrpcCore/Calls.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading;
 using System.Threading.Tasks;

src/csharp/GrpcCore/Channel.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Threading;
@@ -8,13 +41,6 @@ namespace Google.GRPC.Core
 {
 	public class Channel : IDisposable
 	{
-        /// <summary>
-        /// Make sure GPRC environment is initialized before any channels get used.
-        /// </summary>
-        static Channel() {
-            GrpcEnvironment.EnsureInitialized();
-        }
-       
         readonly ChannelSafeHandle handle;
         readonly String target;
 

src/csharp/GrpcCore/ClientStreamingAsyncResult.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading.Tasks;
 

src/csharp/GrpcCore/GrpcCore.csproj

@@ -61,7 +61,6 @@
     <Compile Include="Marshaller.cs" />
     <Compile Include="ServerServiceDefinition.cs" />
     <Compile Include="Utils\RecordingObserver.cs" />
-    <Compile Include="Utils\PortPicker.cs" />
     <Compile Include="Utils\RecordingQueue.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />

src/csharp/GrpcCore/GrpcEnvironment.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 using System.Runtime.InteropServices;
@@ -5,36 +38,37 @@ using System.Runtime.InteropServices;
 namespace Google.GRPC.Core
 {
     /// <summary>
-    /// Encapsulates initialization and shutdown of GRPC C core library.
-    /// You should not need to initialize it manually, as static constructors
-    /// should load the library when needed.
+    /// Encapsulates initialization and shutdown of gRPC library.
     /// </summary>
-    public static class GrpcEnvironment
+    public class GrpcEnvironment
     {
         const int THREAD_POOL_SIZE = 1;
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_init();
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_init();
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_shutdown();
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_shutdown();
 
         static object staticLock = new object();
-        static bool initCalled = false;
-        static bool shutdownCalled = false;
-
-        static GrpcThreadPool threadPool = new GrpcThreadPool(THREAD_POOL_SIZE);
+        static volatile GrpcEnvironment instance;
+       
+        readonly GrpcThreadPool threadPool;
+        bool isClosed;
 
         /// <summary>
-        /// Makes sure GRPC environment is initialized.
+        /// Makes sure GRPC environment is initialized. Subsequent invocations don't have any
+        /// effect unless you call Shutdown first.
+        /// Although normal use cases assume you will call this just once in your application's
+        /// lifetime (and call Shutdown once you're done), for the sake of easier testing it's 
+        /// allowed to initialize the environment again after it has been successfully shutdown.
         /// </summary>
-        public static void EnsureInitialized() {
+        public static void Initialize() {
             lock(staticLock)
             {
-                if (!initCalled)
+                if (instance == null)
                 {
-                    initCalled = true;
-                    GrpcInit();       
+                    instance = new GrpcEnvironment();
                 }
             }
         }
@@ -47,45 +81,55 @@ namespace Google.GRPC.Core
         {
             lock(staticLock)
             {
-                if (initCalled && !shutdownCalled)
+                if (instance != null)
                 {
-                    shutdownCalled = true;
-                    GrpcShutdown();
+                    instance.Close();
+                    instance = null;
                 }
             }
+        }
 
+        internal static GrpcThreadPool ThreadPool
+        {
+            get
+            {
+                var inst = instance;
+                if (inst == null)
+                {
+                    throw new InvalidOperationException("GRPC environment not initialized");
+                }
+                return inst.threadPool;
+            }
         }
 
         /// <summary>
-        /// Initializes GRPC C Core library.
+        /// Creates gRPC environment.
         /// </summary>
-        private static void GrpcInit()
+        private GrpcEnvironment()
         {
-            grpc_init();
+            grpcsharp_init();
+            threadPool = new GrpcThreadPool(THREAD_POOL_SIZE);
             threadPool.Start();
             // TODO: use proper logging here
             Console.WriteLine("GRPC initialized.");
         }
 
         /// <summary>
-        /// Shutdown GRPC C Core library.
+        /// Shuts down this environment.
         /// </summary>
-        private static void GrpcShutdown()
+        private void Close()
         {
+            if (isClosed)
+            {
+                throw new InvalidOperationException("Close has already been called");
+            }
             threadPool.Stop();
-            grpc_shutdown();
+            grpcsharp_shutdown();
+            isClosed = true;
 
             // TODO: use proper logging here
             Console.WriteLine("GRPC shutdown.");
         }
-
-        internal static GrpcThreadPool ThreadPool
-        {
-            get
-            {
-                return threadPool;
-            }
-        }
     }
 }
 

src/csharp/GrpcCore/Internal/AsyncCall.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Diagnostics;

src/csharp/GrpcCore/Internal/CallSafeHandle.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Diagnostics;
@@ -15,67 +48,67 @@ namespace Google.GRPC.Core.Internal
 	{
         const UInt32 GRPC_WRITE_BUFFER_HINT = 1;
 
-        [DllImport("grpc.dll")]
-        static extern CallSafeHandle grpc_channel_create_call_old(ChannelSafeHandle channel, string method, string host, Timespec deadline);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern CallSafeHandle grpcsharp_channel_create_call_old(ChannelSafeHandle channel, string method, string host, Timespec deadline);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_add_metadata(CallSafeHandle call, IntPtr metadata, UInt32 flags);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_add_metadata(CallSafeHandle call, IntPtr metadata, UInt32 flags);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_invoke_old(CallSafeHandle call, CompletionQueueSafeHandle cq, IntPtr metadataReadTag, IntPtr finishedTag, UInt32 flags);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_invoke_old(CallSafeHandle call, CompletionQueueSafeHandle cq, IntPtr metadataReadTag, IntPtr finishedTag, UInt32 flags);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_call_invoke_old")]
-        static extern GRPCCallError grpc_call_invoke_old_CALLBACK(CallSafeHandle call, CompletionQueueSafeHandle cq,
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_invoke_old")]
+        static extern GRPCCallError grpcsharp_call_invoke_old_CALLBACK(CallSafeHandle call, CompletionQueueSafeHandle cq,
                                                               [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate metadataReadCallback, 
                                                               [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate finishedCallback, 
                                                               UInt32 flags);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_server_accept_old(CallSafeHandle call, CompletionQueueSafeHandle completionQueue, IntPtr finishedTag);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_server_accept_old(CallSafeHandle call, CompletionQueueSafeHandle completionQueue, IntPtr finishedTag);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_call_server_accept_old")]
-        static extern GRPCCallError grpc_call_server_accept_old_CALLBACK(CallSafeHandle call, CompletionQueueSafeHandle completionQueue, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate finishedCallback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_server_accept_old")]
+        static extern GRPCCallError grpcsharp_call_server_accept_old_CALLBACK(CallSafeHandle call, CompletionQueueSafeHandle completionQueue, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate finishedCallback);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_server_end_initial_metadata_old(CallSafeHandle call, UInt32 flags);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_server_end_initial_metadata_old(CallSafeHandle call, UInt32 flags);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_cancel(CallSafeHandle call);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_cancel(CallSafeHandle call);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_cancel_with_status(CallSafeHandle call, StatusCode status, string description);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_cancel_with_status(CallSafeHandle call, StatusCode status, string description);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_start_write_status_old(CallSafeHandle call, StatusCode statusCode, string statusMessage, IntPtr tag);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_start_write_status_old(CallSafeHandle call, StatusCode statusCode, string statusMessage, IntPtr tag);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_call_start_write_status_old")]
-        static extern GRPCCallError grpc_call_start_write_status_old_CALLBACK(CallSafeHandle call, StatusCode statusCode, string statusMessage, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_start_write_status_old")]
+        static extern GRPCCallError grpcsharp_call_start_write_status_old_CALLBACK(CallSafeHandle call, StatusCode statusCode, string statusMessage, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_writes_done_old(CallSafeHandle call, IntPtr tag);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_writes_done_old(CallSafeHandle call, IntPtr tag);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_call_writes_done_old")]
-        static extern GRPCCallError grpc_call_writes_done_old_CALLBACK(CallSafeHandle call, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_writes_done_old")]
+        static extern GRPCCallError grpcsharp_call_writes_done_old_CALLBACK(CallSafeHandle call, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
 
-        [DllImport("grpc.dll")]
-        static extern GRPCCallError grpc_call_start_read_old(CallSafeHandle call, IntPtr tag);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern GRPCCallError grpcsharp_call_start_read_old(CallSafeHandle call, IntPtr tag);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_call_start_read_old")]
-        static extern GRPCCallError grpc_call_start_read_old_CALLBACK(CallSafeHandle call, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_start_read_old")]
+        static extern GRPCCallError grpcsharp_call_start_read_old_CALLBACK(CallSafeHandle call, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern void grpc_call_start_write_from_copied_buffer(CallSafeHandle call,
+        static extern void grpcsharp_call_start_write_from_copied_buffer(CallSafeHandle call,
                                                                     byte[] buffer, UIntPtr length,
                                                                     IntPtr tag, UInt32 flags);
 
-        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpc_call_start_write_from_copied_buffer")]
-        static extern void grpc_call_start_write_from_copied_buffer_CALLBACK(CallSafeHandle call,
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_call_start_write_from_copied_buffer")]
+        static extern void grpcsharp_call_start_write_from_copied_buffer_CALLBACK(CallSafeHandle call,
                                                                              byte[] buffer, UIntPtr length,
                                                                              [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback,
                                                                              UInt32 flags);
 
-		[DllImport("grpc.dll")]
-		static extern void grpc_call_destroy(IntPtr call);
+		[DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_call_destroy(IntPtr call);
 
         private CallSafeHandle()
         {
@@ -86,87 +119,87 @@ namespace Google.GRPC.Core.Internal
         /// </summary>
         public static CallSafeHandle Create(ChannelSafeHandle channel, string method, string host, Timespec deadline)
         {
-            return grpc_channel_create_call_old(channel, method, host, deadline);
+            return grpcsharp_channel_create_call_old(channel, method, host, deadline);
         }
 
         public void Invoke(CompletionQueueSafeHandle cq, IntPtr metadataReadTag, IntPtr finishedTag, bool buffered)
         {   
-            AssertCallOk(grpc_call_invoke_old(this, cq, metadataReadTag, finishedTag, GetFlags(buffered)));
+            AssertCallOk(grpcsharp_call_invoke_old(this, cq, metadataReadTag, finishedTag, GetFlags(buffered)));
         }
 
         public void Invoke(CompletionQueueSafeHandle cq, bool buffered, EventCallbackDelegate metadataReadCallback, EventCallbackDelegate finishedCallback)
         {   
-            AssertCallOk(grpc_call_invoke_old_CALLBACK(this, cq, metadataReadCallback, finishedCallback, GetFlags(buffered)));
+            AssertCallOk(grpcsharp_call_invoke_old_CALLBACK(this, cq, metadataReadCallback, finishedCallback, GetFlags(buffered)));
         }
 
         public void ServerAccept(CompletionQueueSafeHandle cq, IntPtr finishedTag)
         {
-            AssertCallOk(grpc_call_server_accept_old(this, cq, finishedTag));
+            AssertCallOk(grpcsharp_call_server_accept_old(this, cq, finishedTag));
         }
 
         public void ServerAccept(CompletionQueueSafeHandle cq, EventCallbackDelegate callback)
         {
-            AssertCallOk(grpc_call_server_accept_old_CALLBACK(this, cq, callback));
+            AssertCallOk(grpcsharp_call_server_accept_old_CALLBACK(this, cq, callback));
         }
 
         public void ServerEndInitialMetadata(UInt32 flags)
         {
-            AssertCallOk(grpc_call_server_end_initial_metadata_old(this, flags));
+            AssertCallOk(grpcsharp_call_server_end_initial_metadata_old(this, flags));
         }
 
         public void StartWrite(byte[] payload, IntPtr tag, bool buffered)
         {
-            grpc_call_start_write_from_copied_buffer(this, payload, new UIntPtr((ulong) payload.Length), tag, GetFlags(buffered));
+            grpcsharp_call_start_write_from_copied_buffer(this, payload, new UIntPtr((ulong) payload.Length), tag, GetFlags(buffered));
         }
 
         public void StartWrite(byte[] payload, bool buffered, EventCallbackDelegate callback)
         {
-            grpc_call_start_write_from_copied_buffer_CALLBACK(this, payload, new UIntPtr((ulong) payload.Length), callback, GetFlags(buffered));
+            grpcsharp_call_start_write_from_copied_buffer_CALLBACK(this, payload, new UIntPtr((ulong) payload.Length), callback, GetFlags(buffered));
         }
 
         public void StartWriteStatus(Status status, IntPtr tag)
         {
-            AssertCallOk(grpc_call_start_write_status_old(this, status.StatusCode, status.Detail, tag));
+            AssertCallOk(grpcsharp_call_start_write_status_old(this, status.StatusCode, status.Detail, tag));
         }
 
         public void StartWriteStatus(Status status, EventCallbackDelegate callback)
         {
-            AssertCallOk(grpc_call_start_write_status_old_CALLBACK(this, status.StatusCode, status.Detail, callback));
+            AssertCallOk(grpcsharp_call_start_write_status_old_CALLBACK(this, status.StatusCode, status.Detail, callback));
         }
 
         public void WritesDone(IntPtr tag)
         {
-            AssertCallOk(grpc_call_writes_done_old(this, tag));
+            AssertCallOk(grpcsharp_call_writes_done_old(this, tag));
         }
 
         public void WritesDone(EventCallbackDelegate callback)
         {
-            AssertCallOk(grpc_call_writes_done_old_CALLBACK(this, callback));
+            AssertCallOk(grpcsharp_call_writes_done_old_CALLBACK(this, callback));
         }
 
         public void StartRead(IntPtr tag)
         {
-            AssertCallOk(grpc_call_start_read_old(this, tag));
+            AssertCallOk(grpcsharp_call_start_read_old(this, tag));
         }
 
         public void StartRead(EventCallbackDelegate callback)
         {
-            AssertCallOk(grpc_call_start_read_old_CALLBACK(this, callback));
+            AssertCallOk(grpcsharp_call_start_read_old_CALLBACK(this, callback));
         }
 
         public void Cancel()
         {
-            AssertCallOk(grpc_call_cancel(this));
+            AssertCallOk(grpcsharp_call_cancel(this));
         }
 
         public void CancelWithStatus(Status status)
         {
-            AssertCallOk(grpc_call_cancel_with_status(this, status.StatusCode, status.Detail));
+            AssertCallOk(grpcsharp_call_cancel_with_status(this, status.StatusCode, status.Detail));
         }
 
 		protected override bool ReleaseHandle()
 		{
-			grpc_call_destroy(handle);
+            grpcsharp_call_destroy(handle);
 			return true;
 		}
 

src/csharp/GrpcCore/Internal/ChannelSafeHandle.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Threading;
@@ -10,11 +43,11 @@ namespace Google.GRPC.Core.Internal
     /// </summary>
 	internal class ChannelSafeHandle : SafeHandleZeroIsInvalid
 	{
-        [DllImport("grpc.dll")]
-        static extern ChannelSafeHandle grpc_channel_create(string target, IntPtr channelArgs);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern ChannelSafeHandle grpcsharp_channel_create(string target, IntPtr channelArgs);
 
-		[DllImport("grpc.dll")]
-		static extern void grpc_channel_destroy(IntPtr channel);
+		[DllImport("grpc_csharp_ext.dll")]
+		static extern void grpcsharp_channel_destroy(IntPtr channel);
 
         private ChannelSafeHandle()
         {
@@ -22,12 +55,12 @@ namespace Google.GRPC.Core.Internal
 
         public static ChannelSafeHandle Create(string target, IntPtr channelArgs)
         {
-            return grpc_channel_create(target, channelArgs);
+            return grpcsharp_channel_create(target, channelArgs);
         }
 
 		protected override bool ReleaseHandle()
 		{
-			grpc_channel_destroy(handle);
+			grpcsharp_channel_destroy(handle);
 			return true;
 		}
 	}

src/csharp/GrpcCore/Internal/CompletionQueueSafeHandle.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Threading.Tasks;
@@ -9,23 +42,23 @@ namespace Google.GRPC.Core.Internal
     /// </summary>
 	internal class CompletionQueueSafeHandle : SafeHandleZeroIsInvalid
 	{
-        [DllImport("grpc.dll")]
-        static extern CompletionQueueSafeHandle grpc_completion_queue_create();
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern CompletionQueueSafeHandle grpcsharp_completion_queue_create();
 
-        [DllImport("grpc.dll")]
-        static extern EventSafeHandle grpc_completion_queue_pluck(CompletionQueueSafeHandle cq, IntPtr tag, Timespec deadline);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern EventSafeHandle grpcsharp_completion_queue_pluck(CompletionQueueSafeHandle cq, IntPtr tag, Timespec deadline);
 
-        [DllImport("grpc.dll")]
-        static extern EventSafeHandle grpc_completion_queue_next(CompletionQueueSafeHandle cq, Timespec deadline);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern EventSafeHandle grpcsharp_completion_queue_next(CompletionQueueSafeHandle cq, Timespec deadline);
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_completion_queue_shutdown(CompletionQueueSafeHandle cq);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_completion_queue_shutdown(CompletionQueueSafeHandle cq);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCCompletionType grpc_completion_queue_next_with_callback(CompletionQueueSafeHandle cq);
+        static extern GRPCCompletionType grpcsharp_completion_queue_next_with_callback(CompletionQueueSafeHandle cq);
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_completion_queue_destroy(IntPtr cq);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_completion_queue_destroy(IntPtr cq);
 
         private CompletionQueueSafeHandle()
         {
@@ -33,32 +66,32 @@ namespace Google.GRPC.Core.Internal
 
         public static CompletionQueueSafeHandle Create()
         {
-            return grpc_completion_queue_create();
+            return grpcsharp_completion_queue_create();
         }
 
         public EventSafeHandle Next(Timespec deadline)
         {
-            return grpc_completion_queue_next(this, deadline);
+            return grpcsharp_completion_queue_next(this, deadline);
         }
 
         public GRPCCompletionType NextWithCallback()
         {
-            return grpc_completion_queue_next_with_callback(this);
+            return grpcsharp_completion_queue_next_with_callback(this);
         }
 
         public EventSafeHandle Pluck(IntPtr tag, Timespec deadline)
         {
-            return grpc_completion_queue_pluck(this, tag, deadline);
+            return grpcsharp_completion_queue_pluck(this, tag, deadline);
         }
 
         public void Shutdown()
         {
-            grpc_completion_queue_shutdown(this);
+            grpcsharp_completion_queue_shutdown(this);
         }
 
 		protected override bool ReleaseHandle()
         {
-            grpc_completion_queue_destroy(handle);
+            grpcsharp_completion_queue_destroy(handle);
 			return true;
 		}
 	}

src/csharp/GrpcCore/Internal/Enums.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 

src/csharp/GrpcCore/Internal/Event.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using Google.GRPC.Core;
@@ -9,84 +42,84 @@ namespace Google.GRPC.Core.Internal
     /// </summary>
     internal class EventSafeHandle : SafeHandleZeroIsInvalid
     {
-        [DllImport("grpc.dll")]
-        static extern void grpc_event_finish(IntPtr ev);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_event_finish(IntPtr ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCCompletionType grpc_event_type(EventSafeHandle ev);
+        static extern GRPCCompletionType grpcsharp_event_type(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern CallSafeHandle grpc_event_call(EventSafeHandle ev);
+        static extern CallSafeHandle grpcsharp_event_call(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCOpError grpc_event_write_accepted(EventSafeHandle ev);
+        static extern GRPCOpError grpcsharp_event_write_accepted(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCOpError grpc_event_finish_accepted(EventSafeHandle ev);
+        static extern GRPCOpError grpcsharp_event_finish_accepted(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern StatusCode grpc_event_finished_status(EventSafeHandle ev);
+        static extern StatusCode grpcsharp_event_finished_status(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_finished_details(EventSafeHandle ev);  // returns const char*
+        static extern IntPtr grpcsharp_event_finished_details(EventSafeHandle ev);  // returns const char*
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_read_length(EventSafeHandle ev);
+        static extern IntPtr grpcsharp_event_read_length(EventSafeHandle ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern void grpc_event_read_copy_to_buffer(EventSafeHandle ev, byte[] buffer, UIntPtr bufferLen);
+        static extern void grpcsharp_event_read_copy_to_buffer(EventSafeHandle ev, byte[] buffer, UIntPtr bufferLen);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_server_rpc_new_method(EventSafeHandle ev); // returns const char*
+        static extern IntPtr grpcsharp_event_server_rpc_new_method(EventSafeHandle ev); // returns const char*
 
         public GRPCCompletionType GetCompletionType()
         {
-            return grpc_event_type(this);
+            return grpcsharp_event_type(this);
         }
 
         public GRPCOpError GetWriteAccepted()
         {
-            return grpc_event_write_accepted(this);
+            return grpcsharp_event_write_accepted(this);
         }
 
         public GRPCOpError GetFinishAccepted()
         {
-            return grpc_event_finish_accepted(this);
+            return grpcsharp_event_finish_accepted(this);
         }
 
         public Status GetFinished()
         {
             // TODO: can the native method return string directly?
-            string details = Marshal.PtrToStringAnsi(grpc_event_finished_details(this));
-            return new Status(grpc_event_finished_status(this), details);
+            string details = Marshal.PtrToStringAnsi(grpcsharp_event_finished_details(this));
+            return new Status(grpcsharp_event_finished_status(this), details);
         }
 
         public byte[] GetReadData()
         {
-            IntPtr len = grpc_event_read_length(this);
+            IntPtr len = grpcsharp_event_read_length(this);
             if (len == new IntPtr(-1))
             {
                 return null;
             }
             byte[] data = new byte[(int) len];
-            grpc_event_read_copy_to_buffer(this, data, new UIntPtr((ulong)data.Length));
+            grpcsharp_event_read_copy_to_buffer(this, data, new UIntPtr((ulong)data.Length));
             return data;
         }
 
         public CallSafeHandle GetCall() {
-            return grpc_event_call(this);
+            return grpcsharp_event_call(this);
         }
 
         public string GetServerRpcNewMethod() {
             // TODO: can the native method return string directly?
-            return Marshal.PtrToStringAnsi(grpc_event_server_rpc_new_method(this));
+            return Marshal.PtrToStringAnsi(grpcsharp_event_server_rpc_new_method(this));
         }
 
         //TODO: client_metadata_read event type
 
         protected override bool ReleaseHandle()
         {
-            grpc_event_finish(handle);
+            grpcsharp_event_finish(handle);
             return true;
         }
     }
@@ -98,35 +131,35 @@ namespace Google.GRPC.Core.Internal
     /// </summary>
     internal class EventSafeHandleNotOwned : SafeHandleZeroIsInvalid
     {
-        [DllImport("grpc.dll")]
-        static extern void grpc_event_finish(IntPtr ev);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_event_finish(IntPtr ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCCompletionType grpc_event_type(EventSafeHandleNotOwned ev);
+        static extern GRPCCompletionType grpcsharp_event_type(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern CallSafeHandle grpc_event_call(EventSafeHandleNotOwned ev);
+        static extern CallSafeHandle grpcsharp_event_call(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCOpError grpc_event_write_accepted(EventSafeHandleNotOwned ev);
+        static extern GRPCOpError grpcsharp_event_write_accepted(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCOpError grpc_event_finish_accepted(EventSafeHandleNotOwned ev);
+        static extern GRPCOpError grpcsharp_event_finish_accepted(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern StatusCode grpc_event_finished_status(EventSafeHandleNotOwned ev);
+        static extern StatusCode grpcsharp_event_finished_status(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_finished_details(EventSafeHandleNotOwned ev);  // returns const char*
+        static extern IntPtr grpcsharp_event_finished_details(EventSafeHandleNotOwned ev);  // returns const char*
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_read_length(EventSafeHandleNotOwned ev);
+        static extern IntPtr grpcsharp_event_read_length(EventSafeHandleNotOwned ev);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern void grpc_event_read_copy_to_buffer(EventSafeHandleNotOwned ev, byte[] buffer, UIntPtr bufferLen);
+        static extern void grpcsharp_event_read_copy_to_buffer(EventSafeHandleNotOwned ev, byte[] buffer, UIntPtr bufferLen);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern IntPtr grpc_event_server_rpc_new_method(EventSafeHandleNotOwned ev); // returns const char*
+        static extern IntPtr grpcsharp_event_server_rpc_new_method(EventSafeHandleNotOwned ev); // returns const char*
 
         public EventSafeHandleNotOwned() : base(false)
         {
@@ -139,52 +172,52 @@ namespace Google.GRPC.Core.Internal
 
         public GRPCCompletionType GetCompletionType()
         {
-            return grpc_event_type(this);
+            return grpcsharp_event_type(this);
         }
 
         public GRPCOpError GetWriteAccepted()
         {
-            return grpc_event_write_accepted(this);
+            return grpcsharp_event_write_accepted(this);
         }
 
         public GRPCOpError GetFinishAccepted()
         {
-            return grpc_event_finish_accepted(this);
+            return grpcsharp_event_finish_accepted(this);
         }
 
         public Status GetFinished()
         {
             // TODO: can the native method return string directly?
-            string details = Marshal.PtrToStringAnsi(grpc_event_finished_details(this));
-            return new Status(grpc_event_finished_status(this), details);
+            string details = Marshal.PtrToStringAnsi(grpcsharp_event_finished_details(this));
+            return new Status(grpcsharp_event_finished_status(this), details);
         }
 
         public byte[] GetReadData()
         {
-            IntPtr len = grpc_event_read_length(this);
+            IntPtr len = grpcsharp_event_read_length(this);
             if (len == new IntPtr(-1))
             {
                 return null;
             }
             byte[] data = new byte[(int) len];
-            grpc_event_read_copy_to_buffer(this, data, new UIntPtr((ulong)data.Length));
+            grpcsharp_event_read_copy_to_buffer(this, data, new UIntPtr((ulong)data.Length));
             return data;
         }
 
         public CallSafeHandle GetCall() {
-            return grpc_event_call(this);
+            return grpcsharp_event_call(this);
         }
 
         public string GetServerRpcNewMethod() {
             // TODO: can the native method return string directly?
-            return Marshal.PtrToStringAnsi(grpc_event_server_rpc_new_method(this));
+            return Marshal.PtrToStringAnsi(grpcsharp_event_server_rpc_new_method(this));
         }
 
         //TODO: client_metadata_read event type
 
         protected override bool ReleaseHandle()
         {
-            grpc_event_finish(handle);
+            grpcsharp_event_finish(handle);
             return true;
         }
     }

src/csharp/GrpcCore/Internal/GrpcThreadPool.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 using System.Runtime.InteropServices;

src/csharp/GrpcCore/Internal/SafeHandleZeroIsInvalid.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 

src/csharp/GrpcCore/Internal/ServerSafeHandle.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Diagnostics;
@@ -10,31 +43,31 @@ namespace Google.GRPC.Core.Internal
     /// </summary>
     internal sealed class ServerSafeHandle : SafeHandleZeroIsInvalid
     {
-        [DllImport("grpc.dll", EntryPoint = "grpc_server_request_call_old")]
-        static extern GRPCCallError grpc_server_request_call_old_CALLBACK(ServerSafeHandle server, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_server_request_call_old")]
+        static extern GRPCCallError grpcsharp_server_request_call_old_CALLBACK(ServerSafeHandle server, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
 
-        [DllImport("grpc.dll")]
-        static extern ServerSafeHandle grpc_server_create(CompletionQueueSafeHandle cq, IntPtr args);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern ServerSafeHandle grpcsharp_server_create(CompletionQueueSafeHandle cq, IntPtr args);
 
         // TODO: check int representation size
-        [DllImport("grpc.dll")]
-        static extern int grpc_server_add_http2_port(ServerSafeHandle server, string addr);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern int grpcsharp_server_add_http2_port(ServerSafeHandle server, string addr);
 
         // TODO: check int representation size
-        [DllImport("grpc.dll")]
-        static extern int grpc_server_add_secure_http2_port(ServerSafeHandle server, string addr);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern int grpcsharp_server_add_secure_http2_port(ServerSafeHandle server, string addr);
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_server_start(ServerSafeHandle server);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_server_start(ServerSafeHandle server);
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_server_shutdown(ServerSafeHandle server);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_server_shutdown(ServerSafeHandle server);
 
-        [DllImport("grpc.dll", EntryPoint = "grpc_server_shutdown_and_notify")]
-        static extern void grpc_server_shutdown_and_notify_CALLBACK(ServerSafeHandle server, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
+        [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_server_shutdown_and_notify")]
+        static extern void grpcsharp_server_shutdown_and_notify_CALLBACK(ServerSafeHandle server, [MarshalAs(UnmanagedType.FunctionPtr)] EventCallbackDelegate callback);
 
-        [DllImport("grpc.dll")]
-        static extern void grpc_server_destroy(IntPtr server);
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_server_destroy(IntPtr server);
 
         private ServerSafeHandle()
         {
@@ -43,38 +76,38 @@ namespace Google.GRPC.Core.Internal
         public static ServerSafeHandle NewServer(CompletionQueueSafeHandle cq, IntPtr args)
         {
             // TODO: also grpc_secure_server_create...
-            return grpc_server_create(cq, args);
+            return grpcsharp_server_create(cq, args);
         }
 
         public int AddPort(string addr)
         {
             // TODO: also grpc_server_add_secure_http2_port...
-            return grpc_server_add_http2_port(this, addr);
+            return grpcsharp_server_add_http2_port(this, addr);
         }
 
         public void Start()
         {
-            grpc_server_start(this);
+            grpcsharp_server_start(this);
         }
 
         public void Shutdown()
         {
-            grpc_server_shutdown(this);
+            grpcsharp_server_shutdown(this);
         }
 
         public void ShutdownAndNotify(EventCallbackDelegate callback)
         {
-            grpc_server_shutdown_and_notify_CALLBACK(this, callback);
+            grpcsharp_server_shutdown_and_notify_CALLBACK(this, callback);
         }
 
         public GRPCCallError RequestCall(EventCallbackDelegate callback)
         {
-            return grpc_server_request_call_old_CALLBACK(this, callback);
+            return grpcsharp_server_request_call_old_CALLBACK(this, callback);
         }
 
         protected override bool ReleaseHandle()
         {
-            grpc_server_destroy(handle);
+            grpcsharp_server_destroy(handle);
             return true;
         }
     }

src/csharp/GrpcCore/Internal/ServerWritingObserver.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 

src/csharp/GrpcCore/Internal/StreamingInputObserver.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 

src/csharp/GrpcCore/Internal/Timespec.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Threading;
@@ -13,13 +46,20 @@ namespace Google.GRPC.Core.Internal
         const int nanosPerSecond = 1000 * 1000 * 1000;
         const int nanosPerTick = 100;
 
-        [DllImport("gpr.dll")]
-        static extern Timespec gpr_now();
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern Timespec gprsharp_now();
 
-		// TODO: this only works on 64bit linux, can we autoselect the right size of ints?
-		// perhaps using IntPtr would work.
-		public System.Int64 tv_sec;
-		public System.Int64 tv_nsec;
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern Timespec gprsharp_inf_future();
+
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern int gprsharp_sizeof_timespec();
+
+        // TODO: revisit this.
+		// NOTE: on linux 64bit  sizeof(gpr_timespec) = 16, on windows 32bit sizeof(gpr_timespec) = 8
+        // so IntPtr seems to have the right size to work on both.
+		public System.IntPtr tv_sec;
+		public System.IntPtr tv_nsec;
 
 		/// <summary>
 		/// Timespec a long time in the future.
@@ -28,8 +68,7 @@ namespace Google.GRPC.Core.Internal
 		{
 			get
 			{
-				// TODO: set correct value based on the length of the struct
-				return new Timespec { tv_sec = Int32.MaxValue, tv_nsec = 0 };
+                return gprsharp_inf_future();
 			}
 		}
 
@@ -37,7 +76,15 @@ namespace Google.GRPC.Core.Internal
         {
             get
             {
-                return gpr_now();
+                return gprsharp_now();
+            }
+        }
+
+        internal static int NativeSize
+        {
+            get
+            {
+                return gprsharp_sizeof_timespec();
             }
         }
 
@@ -54,12 +101,12 @@ namespace Google.GRPC.Core.Internal
         }
 
         public Timespec Add(TimeSpan timeSpan) {
-            long nanos = tv_nsec + (timeSpan.Ticks % TimeSpan.TicksPerSecond) * nanosPerTick;
+            long nanos = tv_nsec.ToInt64() + (timeSpan.Ticks % TimeSpan.TicksPerSecond) * nanosPerTick;
             long overflow_sec = (nanos > nanosPerSecond) ? 1 : 0;
 
             Timespec result;
-            result.tv_nsec = nanos % nanosPerSecond;
-            result.tv_sec = tv_sec + (timeSpan.Ticks / TimeSpan.TicksPerSecond) + overflow_sec; 
+            result.tv_nsec = new IntPtr(nanos % nanosPerSecond);
+            result.tv_sec = new IntPtr(tv_sec.ToInt64() + (timeSpan.Ticks / TimeSpan.TicksPerSecond) + overflow_sec); 
             return result;
         }
 	}

src/csharp/GrpcCore/Marshaller.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 
 namespace Google.GRPC.Core

src/csharp/GrpcCore/Method.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 
 namespace Google.GRPC.Core

src/csharp/GrpcCore/RpcException.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 
 namespace Google.GRPC.Core

src/csharp/GrpcCore/Server.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using System.Diagnostics;
@@ -26,10 +59,6 @@ namespace Google.GRPC.Core
 
         readonly TaskCompletionSource<object> shutdownTcs = new TaskCompletionSource<object>();
 
-        static Server() {
-            GrpcEnvironment.EnsureInitialized();
-        }
-
         public Server()
         {
             // TODO: what is the tag for server shutdown?

src/csharp/GrpcCore/ServerCallHandler.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using Google.GRPC.Core.Internal;
 

src/csharp/GrpcCore/ServerCalls.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 
 namespace Google.GRPC.Core

src/csharp/GrpcCore/ServerServiceDefinition.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Collections.Generic;
 

src/csharp/GrpcCore/Status.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 

src/csharp/GrpcCore/StatusCode.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 
 namespace Google.GRPC.Core

src/csharp/GrpcCore/Utils/PortPicker.cs

@@ -1,50 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Sockets;
-
-namespace Google.GRPC.Core.Utils
-{
-    public class PortPicker
-    {
-        static Random random = new Random();
-
-        // TODO: cleanup this code a bit
-        public static int PickUnusedPort()
-        {
-            int port;
-            do
-            {
-                port = random.Next(2000, 50000);
-
-            } while(!IsPortAvailable(port));
-            return port;
-        }
-
-        // TODO: cleanup this code a bit
-        public static bool IsPortAvailable(int port)
-        {
-            bool available = true;
-
-            TcpListener server = null;
-            try
-            {
-                IPAddress ipAddress = Dns.GetHostEntry("localhost").AddressList[0];
-                server = new TcpListener(ipAddress, port);
-                server.Start();
-            }
-            catch (Exception ex)
-            {
-                available = false;
-            }
-            finally
-            {
-                if (server != null)
-                {
-                    server.Stop();
-                }
-            }
-            return available;
-        }
-    }
-}
-

src/csharp/GrpcCore/Utils/RecordingObserver.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading.Tasks;
 using System.Collections.Generic;

src/csharp/GrpcCore/Utils/RecordingQueue.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Threading.Tasks;
 using System.Collections.Generic;
@@ -5,6 +38,7 @@ using System.Collections.Concurrent;
 
 namespace Google.GRPC.Core.Utils
 {
+    // TODO: replace this by something that implements IAsyncEnumerator.
     /// <summary>
     /// Observer that allows us to await incoming messages one-by-one.
     /// The implementation is not ideal and class will be probably replaced 

src/csharp/GrpcCoreTests/ClientServerTest.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using NUnit.Framework;
 using Google.GRPC.Core;
@@ -10,7 +43,7 @@ namespace Google.GRPC.Core.Tests
 {
     public class ClientServerTest
     {
-        string serverAddr = "localhost:" + PortPicker.PickUnusedPort();
+        string host = "localhost";
 
         Method<string, string> unaryEchoStringMethod = new Method<string, string>(
             MethodType.Unary,
@@ -21,15 +54,17 @@ namespace Google.GRPC.Core.Tests
         [Test]
         public void EmptyCall()
         {
+            GrpcEnvironment.Initialize();
+
             Server server = new Server();
             server.AddServiceDefinition(
                 ServerServiceDefinition.CreateBuilder("someService")
                     .AddMethod(unaryEchoStringMethod, HandleUnaryEchoString).Build());
 
-            server.AddPort(serverAddr);
+            int port = server.AddPort(host + ":0");
             server.Start();
 
-            using (Channel channel = new Channel(serverAddr))
+            using (Channel channel = new Channel(host + ":" + port))
             {
                 var call = new Call<string, string>(unaryEchoStringMethod, channel);
 

src/csharp/GrpcCoreTests/GrpcEnvironmentTest.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using NUnit.Framework;
 using Google.GRPC.Core;
@@ -9,10 +42,30 @@ namespace Google.GRPC.Core.Tests
     {
         [Test]
         public void InitializeAndShutdownGrpcEnvironment() {
-            GrpcEnvironment.EnsureInitialized();
-            Thread.Sleep(500);
+            GrpcEnvironment.Initialize();
             Assert.IsNotNull(GrpcEnvironment.ThreadPool.CompletionQueue);
             GrpcEnvironment.Shutdown();
         }
+
+        [Test]
+        public void SubsequentInvocations() {
+            GrpcEnvironment.Initialize();
+            GrpcEnvironment.Initialize();
+            GrpcEnvironment.Shutdown();
+            GrpcEnvironment.Shutdown();
+        }
+
+        [Test]
+        public void InitializeAfterShutdown() {
+            GrpcEnvironment.Initialize();
+            var tp1 = GrpcEnvironment.ThreadPool;
+            GrpcEnvironment.Shutdown();
+
+            GrpcEnvironment.Initialize();
+            var tp2 = GrpcEnvironment.ThreadPool;
+            GrpcEnvironment.Shutdown();
+
+            Assert.IsFalse(Object.ReferenceEquals(tp1, tp2));
+        }
     }
 }

src/csharp/GrpcCoreTests/ServerTest.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using NUnit.Framework;
 using Google.GRPC.Core.Internal;
@@ -9,10 +42,12 @@ namespace Google.GRPC.Core.Tests
     public class ServerTest
     {
         [Test]
-        public void StartAndShutdownServer() {
+        public void StartAndShutdownServer()
+        {
+            GrpcEnvironment.Initialize();
 
             Server server = new Server();
-            server.AddPort("localhost:" + PortPicker.PickUnusedPort());
+            int port = server.AddPort("localhost:0");
             server.Start();
             server.ShutdownAsync().Wait();
 

src/csharp/GrpcCoreTests/TimespecTest.cs

@@ -1,5 +1,39 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using NUnit.Framework;
+using System.Runtime.InteropServices;
 using Google.GRPC.Core.Internal;
 
 namespace Google.GRPC.Core.Internal.Tests
@@ -12,31 +46,43 @@ namespace Google.GRPC.Core.Internal.Tests
             var timespec = Timespec.Now;
         }
 
+        [Test]
+        public void InfFuture()
+        {
+            var timespec = Timespec.InfFuture;
+        }
+
+        [Test]
+        public void TimespecSizeIsNativeSize()
+        {
+            Assert.AreEqual(Timespec.NativeSize, Marshal.SizeOf(typeof(Timespec)));
+        }
+
         [Test]
         public void Add()
         {
-            var t = new Timespec { tv_sec = 12345, tv_nsec = 123456789 };
+            var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(123456789) };
             var result = t.Add(TimeSpan.FromTicks(TimeSpan.TicksPerSecond * 10));
-            Assert.AreEqual(result.tv_sec, 12355);
-            Assert.AreEqual(result.tv_nsec, 123456789);
+            Assert.AreEqual(result.tv_sec, new IntPtr(12355));
+            Assert.AreEqual(result.tv_nsec, new IntPtr(123456789));
         }
 
         [Test]
         public void Add_Nanos()
         {
-            var t = new Timespec { tv_sec = 12345, tv_nsec = 123456789 };
+            var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(123456789) };
             var result = t.Add(TimeSpan.FromTicks(10));
-            Assert.AreEqual(result.tv_sec, 12345);
-            Assert.AreEqual(result.tv_nsec, 123456789 + 1000);
+            Assert.AreEqual(result.tv_sec, new IntPtr(12345));
+            Assert.AreEqual(result.tv_nsec, new IntPtr(123456789 + 1000));
         }
 
         [Test]
         public void Add_NanosOverflow()
         {
-            var t = new Timespec { tv_sec = 12345, tv_nsec = 999999999 };
+            var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(999999999) };
             var result = t.Add(TimeSpan.FromTicks(TimeSpan.TicksPerSecond * 10 + 10));
-            Assert.AreEqual(result.tv_sec, 12356);
-            Assert.AreEqual(result.tv_nsec, 999);
+            Assert.AreEqual(result.tv_sec, new IntPtr(12356));
+            Assert.AreEqual(result.tv_nsec, new IntPtr(999));
         }
     }
 }

src/csharp/InteropClient/Client.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Collections.Generic;
 using NUnit.Framework;
@@ -60,6 +93,8 @@ namespace Google.GRPC.Interop
 
         private void Run()
         {
+            GrpcEnvironment.Initialize();
+
             string addr = string.Format("{0}:{1}", options.serverHost, options.serverPort);
             using (Channel channel = new Channel(addr))
             {

src/csharp/MathClient/MathClient.cs

@@ -1,3 +1,36 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
 using System;
 using System.Runtime.InteropServices;
 using Google.GRPC.Core;
@@ -9,6 +42,8 @@ namespace math
     {
 		public static void Main (string[] args)
 		{
+            GrpcEnvironment.Initialize();
+
 			using (Channel channel = new Channel("127.0.0.1:23456"))
 			{
 				MathGrpc.IMathServiceClient stub = new MathGrpc.MathServiceClientStub(channel);

src/csharp/ext/grpc_csharp_ext.c

@@ -1,9 +1,56 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
 #include <string.h>
 
+#ifdef GPR_WIN32
+#define GPR_EXPORT __declspec(dllexport)
+#define GPR_CALLTYPE __stdcall
+#endif
+
+#ifndef GPR_EXPORT
+#define GPR_EXPORT
+#endif
+
+#ifndef GPR_CALLTYPE
+#define GPR_CALLTYPE
+#endif
+
 grpc_byte_buffer *string_to_byte_buffer(const char *buffer, size_t len) {
   gpr_slice slice = gpr_slice_from_copied_buffer(buffer, len);
   grpc_byte_buffer *bb = grpc_byte_buffer_create(&slice, 1);
@@ -11,40 +58,119 @@ grpc_byte_buffer *string_to_byte_buffer(const char *buffer, size_t len) {
   return bb;
 }
 
-void grpc_call_start_write_from_copied_buffer(grpc_call *call,
-                                              const char *buffer, size_t len,
-                                              void *tag, gpr_uint32 flags) {
-  grpc_byte_buffer *byte_buffer = string_to_byte_buffer(buffer, len);
-  GPR_ASSERT(grpc_call_start_write_old(call, byte_buffer, tag, flags) ==
-             GRPC_CALL_OK);
-  grpc_byte_buffer_destroy(byte_buffer);
+/* Init & shutdown */
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_init(void) { grpc_init(); }
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_shutdown(void) { grpc_shutdown(); }
+
+/* Completion queue */
+
+GPR_EXPORT grpc_completion_queue *GPR_CALLTYPE
+grpcsharp_completion_queue_create(void) {
+  return grpc_completion_queue_create();
+}
+
+GPR_EXPORT grpc_event *GPR_CALLTYPE
+grpcsharp_completion_queue_next(grpc_completion_queue *cq,
+                                gpr_timespec deadline) {
+  return grpc_completion_queue_next(cq, deadline);
+}
+
+GPR_EXPORT grpc_event *GPR_CALLTYPE
+grpcsharp_completion_queue_pluck(grpc_completion_queue *cq, void *tag,
+                                 gpr_timespec deadline) {
+  return grpc_completion_queue_pluck(cq, tag, deadline);
+}
+
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_completion_queue_shutdown(grpc_completion_queue *cq) {
+  grpc_completion_queue_shutdown(cq);
+}
+
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_completion_queue_destroy(grpc_completion_queue *cq) {
+  grpc_completion_queue_destroy(cq);
+}
+
+GPR_EXPORT grpc_completion_type GPR_CALLTYPE
+grpcsharp_completion_queue_next_with_callback(grpc_completion_queue *cq) {
+  grpc_event *ev;
+  grpc_completion_type t;
+  void(GPR_CALLTYPE * callback)(grpc_event *);
+
+  ev = grpc_completion_queue_next(cq, gpr_inf_future);
+  t = ev->type;
+  if (ev->tag) {
+    /* call the callback in ev->tag */
+    /* C forbids to cast object pointers to function pointers, so
+     * we cast to intptr first.
+     */
+    callback = (void(GPR_CALLTYPE *)(grpc_event *))(gpr_intptr)ev->tag;
+    (*callback)(ev);
+  }
+  grpc_event_finish(ev);
+
+  /* return completion type to allow some handling for events that have no
+   * tag - such as GRPC_QUEUE_SHUTDOWN
+   */
+  return t;
+}
+
+/* Channel */
+
+GPR_EXPORT grpc_channel *GPR_CALLTYPE
+grpcsharp_channel_create(const char *target, const grpc_channel_args *args) {
+  return grpc_channel_create(target, args);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_destroy(grpc_channel *channel) {
+  grpc_channel_destroy(channel);
 }
 
-grpc_completion_type grpc_event_type(const grpc_event *event) {
+GPR_EXPORT grpc_call *GPR_CALLTYPE
+grpcsharp_channel_create_call_old(grpc_channel *channel, const char *method,
+                                  const char *host, gpr_timespec deadline) {
+  return grpc_channel_create_call_old(channel, method, host, deadline);
+}
+
+/* Event */
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_event_finish(grpc_event *event) {
+  grpc_event_finish(event);
+}
+
+GPR_EXPORT grpc_completion_type GPR_CALLTYPE
+grpcsharp_event_type(const grpc_event *event) {
   return event->type;
 }
 
-grpc_op_error grpc_event_write_accepted(const grpc_event *event) {
+GPR_EXPORT grpc_op_error GPR_CALLTYPE
+grpcsharp_event_write_accepted(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_WRITE_ACCEPTED);
   return event->data.invoke_accepted;
 }
 
-grpc_op_error grpc_event_finish_accepted(const grpc_event *event) {
+GPR_EXPORT grpc_op_error GPR_CALLTYPE
+grpcsharp_event_finish_accepted(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_FINISH_ACCEPTED);
   return event->data.finish_accepted;
 }
 
-grpc_status_code grpc_event_finished_status(const grpc_event *event) {
+GPR_EXPORT grpc_status_code GPR_CALLTYPE
+grpcsharp_event_finished_status(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_FINISHED);
   return event->data.finished.status;
 }
 
-const char *grpc_event_finished_details(const grpc_event *event) {
+GPR_EXPORT const char *GPR_CALLTYPE
+grpcsharp_event_finished_details(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_FINISHED);
   return event->data.finished.details;
 }
 
-gpr_intptr grpc_event_read_length(const grpc_event *event) {
+GPR_EXPORT gpr_intptr GPR_CALLTYPE
+grpcsharp_event_read_length(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_READ);
   if (!event->data.read) {
     return -1;
@@ -56,7 +182,8 @@ gpr_intptr grpc_event_read_length(const grpc_event *event) {
  * Copies data from read event to a buffer. Fatal error occurs if
  * buffer is too small.
  */
-void grpc_event_read_copy_to_buffer(const grpc_event *event, char *buffer,
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_event_read_copy_to_buffer(const grpc_event *event, char *buffer,
                                     size_t buffer_len) {
   grpc_byte_buffer_reader *reader;
   gpr_slice slice;
@@ -77,37 +204,142 @@ void grpc_event_read_copy_to_buffer(const grpc_event *event, char *buffer,
   grpc_byte_buffer_reader_destroy(reader);
 }
 
-grpc_call *grpc_event_call(const grpc_event *event) {
+GPR_EXPORT grpc_call *GPR_CALLTYPE
+grpcsharp_event_call(const grpc_event *event) {
   /* we only allow this for newly incoming server calls. */
   GPR_ASSERT(event->type == GRPC_SERVER_RPC_NEW);
   return event->call;
 }
 
-const char *grpc_event_server_rpc_new_method(const grpc_event *event) {
+GPR_EXPORT const char *GPR_CALLTYPE
+grpcsharp_event_server_rpc_new_method(const grpc_event *event) {
   GPR_ASSERT(event->type == GRPC_SERVER_RPC_NEW);
   return event->data.server_rpc_new.method;
 }
 
-grpc_completion_type grpc_completion_queue_next_with_callback(
-    grpc_completion_queue *cq) {
-  grpc_event *ev;
-  grpc_completion_type t;
-  void (*callback)(grpc_event *);
+/* Timespec */
 
-  ev = grpc_completion_queue_next(cq, gpr_inf_future);
-  t = ev->type;
-  if (ev->tag) {
-    /* call the callback in ev->tag */
-    /* C forbids to cast object pointers to function pointers, so
-     * we cast to intptr first.
-     */
-    callback = (void (*)(grpc_event *))(gpr_intptr)ev->tag;
-    (*callback)(ev);
-  }
-  grpc_event_finish(ev);
+GPR_EXPORT gpr_timespec GPR_CALLTYPE gprsharp_now(void) { return gpr_now(); }
 
-  /* return completion type to allow some handling for events that have no
-   * tag - such as GRPC_QUEUE_SHUTDOWN
-   */
-  return t;
+GPR_EXPORT gpr_timespec GPR_CALLTYPE gprsharp_inf_future(void) {
+  return gpr_inf_future;
+}
+
+GPR_EXPORT gpr_int32 GPR_CALLTYPE gprsharp_sizeof_timespec(void) {
+  return sizeof(gpr_timespec);
+}
+
+/* Call */
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_add_metadata_old(grpc_call *call, grpc_metadata *metadata,
+                                gpr_uint32 flags) {
+  return grpc_call_add_metadata_old(call, metadata, flags);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_invoke_old(grpc_call *call, grpc_completion_queue *cq,
+                          void *metadata_read_tag, void *finished_tag,
+                          gpr_uint32 flags) {
+  return grpc_call_invoke_old(call, cq, metadata_read_tag, finished_tag, flags);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_server_accept_old(grpc_call *call, grpc_completion_queue *cq,
+                                 void *finished_tag) {
+  return grpc_call_server_accept_old(call, cq, finished_tag);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_server_end_initial_metadata_old(grpc_call *call,
+                                               gpr_uint32 flags) {
+  return grpc_call_server_end_initial_metadata_old(call, flags);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_cancel(grpc_call *call) {
+  return grpc_call_cancel(call);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_cancel_with_status(grpc_call *call, grpc_status_code status,
+                                  const char *description) {
+  return grpc_call_cancel_with_status(call, status, description);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_start_write_old(grpc_call *call, grpc_byte_buffer *byte_buffer,
+                               void *tag, gpr_uint32 flags) {
+  return grpc_call_start_write_old(call, byte_buffer, tag, flags);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_start_write_status_old(grpc_call *call,
+                                      grpc_status_code status_code,
+                                      const char *status_message, void *tag) {
+  return grpc_call_start_write_status_old(call, status_code, status_message,
+                                          tag);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_writes_done_old(grpc_call *call, void *tag) {
+  return grpc_call_writes_done_old(call, tag);
+}
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_call_start_read_old(grpc_call *call, void *tag) {
+  return grpc_call_start_read_old(call, tag);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_call_destroy(grpc_call *call) {
+  grpc_call_destroy(call);
+}
+
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_call_start_write_from_copied_buffer(grpc_call *call,
+                                              const char *buffer, size_t len,
+                                              void *tag, gpr_uint32 flags) {
+  grpc_byte_buffer *byte_buffer = string_to_byte_buffer(buffer, len);
+  GPR_ASSERT(grpc_call_start_write_old(call, byte_buffer, tag, flags) ==
+             GRPC_CALL_OK);
+  grpc_byte_buffer_destroy(byte_buffer);
+}
+
+/* Server */
+
+GPR_EXPORT grpc_call_error GPR_CALLTYPE
+grpcsharp_server_request_call_old(grpc_server *server, void *tag_new) {
+  return grpc_server_request_call_old(server, tag_new);
+}
+
+GPR_EXPORT grpc_server *GPR_CALLTYPE
+grpcsharp_server_create(grpc_completion_queue *cq,
+                        const grpc_channel_args *args) {
+  return grpc_server_create(cq, args);
+}
+
+GPR_EXPORT int GPR_CALLTYPE
+grpcsharp_server_add_http2_port(grpc_server *server, const char *addr) {
+  return grpc_server_add_http2_port(server, addr);
+}
+
+GPR_EXPORT int GPR_CALLTYPE
+grpcsharp_server_add_secure_http2_port(grpc_server *server, const char *addr) {
+  return grpc_server_add_secure_http2_port(server, addr);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_start(grpc_server *server) {
+  grpc_server_start(server);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_shutdown(grpc_server *server) {
+  grpc_server_shutdown(server);
+}
+
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_server_shutdown_and_notify(grpc_server *server, void *tag) {
+  grpc_server_shutdown_and_notify(server, tag);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_destroy(grpc_server *server) {
+  grpc_server_destroy(server);
 }

src/node/binding.gyp

@@ -9,14 +9,15 @@
       'include_dirs': [
         "<!(nodejs -e \"require('nan')\")"
       ],
-      'cxxflags': [
+      'cflags': [
+        '-std=c++11',
         '-Wall',
         '-pthread',
         '-pedantic',
         '-g',
         '-zdefs'
-        '-Werror',
-        ],
+        '-Werror'
+      ],
       'ldflags': [
         '-g'
       ],
@@ -33,11 +34,9 @@
         "ext/channel.cc",
         "ext/completion_queue_async_worker.cc",
         "ext/credentials.cc",
-        "ext/event.cc",
         "ext/node_grpc.cc",
         "ext/server.cc",
         "ext/server_credentials.cc",
-        "ext/tag.cc",
         "ext/timeval.cc"
       ],
       'conditions' : [

src/node/ext/call.cc

@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,25 @@
  *
  */
 
+#include <memory>
+#include <vector>
+#include <map>
+
 #include <node.h>
 
 #include "grpc/support/log.h"
 #include "grpc/grpc.h"
+#include "grpc/support/alloc.h"
 #include "grpc/support/time.h"
 #include "byte_buffer.h"
 #include "call.h"
 #include "channel.h"
 #include "completion_queue_async_worker.h"
 #include "timeval.h"
-#include "tag.h"
+
+using std::unique_ptr;
+using std::shared_ptr;
+using std::vector;
 
 namespace grpc {
 namespace node {
@@ -49,6 +57,7 @@ namespace node {
 using ::node::Buffer;
 using v8::Arguments;
 using v8::Array;
+using v8::Boolean;
 using v8::Exception;
 using v8::External;
 using v8::Function;
@@ -68,37 +77,372 @@ using v8::Value;
 Persistent<Function> Call::constructor;
 Persistent<FunctionTemplate> Call::fun_tpl;
 
-Call::Call(grpc_call *call) : wrapped_call(call) {}
 
-Call::~Call() { grpc_call_destroy(wrapped_call); }
+bool CreateMetadataArray(Handle<Object> metadata, grpc_metadata_array *array,
+                         shared_ptr<Resources> resources) {
+  NanScope();
+  grpc_metadata_array_init(array);
+  Handle<Array> keys(metadata->GetOwnPropertyNames());
+  for (unsigned int i = 0; i < keys->Length(); i++) {
+    Handle<String> current_key(keys->Get(i)->ToString());
+    if (!metadata->Get(current_key)->IsArray()) {
+      return false;
+    }
+    array->capacity += Local<Array>::Cast(metadata->Get(current_key))->Length();
+  }
+  array->metadata = reinterpret_cast<grpc_metadata*>(
+      gpr_malloc(array->capacity * sizeof(grpc_metadata)));
+  for (unsigned int i = 0; i < keys->Length(); i++) {
+    Handle<String> current_key(keys->Get(i)->ToString());
+    NanUtf8String *utf8_key = new NanUtf8String(current_key);
+    resources->strings.push_back(unique_ptr<NanUtf8String>(utf8_key));
+    Handle<Array> values = Local<Array>::Cast(metadata->Get(current_key));
+    for (unsigned int j = 0; j < values->Length(); j++) {
+      Handle<Value> value = values->Get(j);
+      grpc_metadata *current = &array->metadata[array->count];
+      current->key = **utf8_key;
+      if (Buffer::HasInstance(value)) {
+        current->value = Buffer::Data(value);
+        current->value_length = Buffer::Length(value);
+        Persistent<Value> handle;
+        NanAssignPersistent(handle, value);
+        resources->handles.push_back(unique_ptr<PersistentHolder>(
+            new PersistentHolder(handle)));
+      } else if (value->IsString()) {
+        Handle<String> string_value = value->ToString();
+        NanUtf8String *utf8_value = new NanUtf8String(string_value);
+        resources->strings.push_back(unique_ptr<NanUtf8String>(utf8_value));
+        current->value = **utf8_value;
+        current->value_length = string_value->Length();
+      } else {
+        return false;
+      }
+      array->count += 1;
+    }
+  }
+  return true;
+}
+
+Handle<Value> ParseMetadata(const grpc_metadata_array *metadata_array) {
+  NanEscapableScope();
+  grpc_metadata *metadata_elements = metadata_array->metadata;
+  size_t length = metadata_array->count;
+  std::map<const char*, size_t> size_map;
+  std::map<const char*, size_t> index_map;
+
+  for (unsigned int i = 0; i < length; i++) {
+    const char *key = metadata_elements[i].key;
+    if (size_map.count(key)) {
+      size_map[key] += 1;
+    }
+    index_map[key] = 0;
+  }
+  Handle<Object> metadata_object = NanNew<Object>();
+  for (unsigned int i = 0; i < length; i++) {
+    grpc_metadata* elem = &metadata_elements[i];
+    Handle<String> key_string = String::New(elem->key);
+    Handle<Array> array;
+    if (metadata_object->Has(key_string)) {
+      array = Handle<Array>::Cast(metadata_object->Get(key_string));
+    } else {
+      array = NanNew<Array>(size_map[elem->key]);
+      metadata_object->Set(key_string, array);
+    }
+    array->Set(index_map[elem->key],
+               MakeFastBuffer(
+                   NanNewBufferHandle(elem->value, elem->value_length)));
+    index_map[elem->key] += 1;
+  }
+  return NanEscapeScope(metadata_object);
+}
+
+Handle<Value> Op::GetOpType() const {
+  NanEscapableScope();
+  return NanEscapeScope(NanNew<String>(GetTypeString()));
+}
+
+class SendMetadataOp : public Op {
+ public:
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanTrue());
+  }
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    if (!value->IsObject()) {
+      return false;
+    }
+    grpc_metadata_array array;
+    if (!CreateMetadataArray(value->ToObject(), &array, resources)) {
+      return false;
+    }
+    out->data.send_initial_metadata.count = array.count;
+    out->data.send_initial_metadata.metadata = array.metadata;
+    return true;
+  }
+ protected:
+  std::string GetTypeString() const {
+    return "send metadata";
+  }
+};
+
+class SendMessageOp : public Op {
+ public:
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanTrue());
+  }
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    if (!Buffer::HasInstance(value)) {
+      return false;
+    }
+    out->data.send_message = BufferToByteBuffer(value);
+    Persistent<Value> handle;
+    NanAssignPersistent(handle, value);
+    resources->handles.push_back(unique_ptr<PersistentHolder>(
+        new PersistentHolder(handle)));
+    return true;
+  }
+ protected:
+  std::string GetTypeString() const {
+    return "send message";
+  }
+};
+
+class SendClientCloseOp : public Op {
+ public:
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanTrue());
+  }
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    return true;
+  }
+ protected:
+  std::string GetTypeString() const {
+    return "client close";
+  }
+};
+
+class SendServerStatusOp : public Op {
+ public:
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanTrue());
+  }
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    if (!value->IsObject()) {
+      return false;
+    }
+    Handle<Object> server_status = value->ToObject();
+    if (!server_status->Get(NanNew("metadata"))->IsObject()) {
+      return false;
+    }
+    if (!server_status->Get(NanNew("code"))->IsUint32()) {
+      return false;
+    }
+    if (!server_status->Get(NanNew("details"))->IsString()) {
+      return false;
+    }
+    grpc_metadata_array array;
+    if (!CreateMetadataArray(server_status->Get(NanNew("metadata"))->
+                             ToObject(),
+                             &array, resources)) {
+      return false;
+    }
+    out->data.send_status_from_server.trailing_metadata_count = array.count;
+    out->data.send_status_from_server.trailing_metadata = array.metadata;
+    out->data.send_status_from_server.status =
+        static_cast<grpc_status_code>(
+            server_status->Get(NanNew("code"))->Uint32Value());
+    NanUtf8String *str = new NanUtf8String(
+        server_status->Get(NanNew("details")));
+    resources->strings.push_back(unique_ptr<NanUtf8String>(str));
+    out->data.send_status_from_server.status_details = **str;
+    return true;
+  }
+ protected:
+  std::string GetTypeString() const {
+    return "send status";
+  }
+};
+
+class GetMetadataOp : public Op {
+ public:
+  GetMetadataOp() {
+    grpc_metadata_array_init(&recv_metadata);
+  }
+
+  ~GetMetadataOp() {
+    grpc_metadata_array_destroy(&recv_metadata);
+  }
+
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(ParseMetadata(&recv_metadata));
+  }
+
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    out->data.recv_initial_metadata = &recv_metadata;
+    return true;
+  }
+
+ protected:
+  std::string GetTypeString() const {
+    return "metadata";
+  }
+
+ private:
+  grpc_metadata_array recv_metadata;
+};
+
+class ReadMessageOp : public Op {
+ public:
+  ReadMessageOp() {
+    recv_message = NULL;
+  }
+  ~ReadMessageOp() {
+    if (recv_message != NULL) {
+      gpr_free(recv_message);
+    }
+  }
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(ByteBufferToBuffer(recv_message));
+  }
+
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    out->data.recv_message = &recv_message;
+    return true;
+  }
+
+ protected:
+  std::string GetTypeString() const {
+    return "read";
+  }
+
+ private:
+  grpc_byte_buffer *recv_message;
+};
+
+class ClientStatusOp : public Op {
+ public:
+  ClientStatusOp() {
+    grpc_metadata_array_init(&metadata_array);
+    status_details = NULL;
+    details_capacity = 0;
+  }
+
+  ~ClientStatusOp() {
+    grpc_metadata_array_destroy(&metadata_array);
+    gpr_free(status_details);
+  }
+
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    out->data.recv_status_on_client.trailing_metadata = &metadata_array;
+    out->data.recv_status_on_client.status = &status;
+    out->data.recv_status_on_client.status_details = &status_details;
+    out->data.recv_status_on_client.status_details_capacity = &details_capacity;
+    return true;
+  }
+
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    Handle<Object> status_obj = NanNew<Object>();
+    status_obj->Set(NanNew("code"), NanNew<Number>(status));
+    if (status_details != NULL) {
+      status_obj->Set(NanNew("details"), String::New(status_details));
+    }
+    status_obj->Set(NanNew("metadata"), ParseMetadata(&metadata_array));
+    return NanEscapeScope(status_obj);
+  }
+ protected:
+  std::string GetTypeString() const {
+    return "status";
+  }
+ private:
+  grpc_metadata_array metadata_array;
+  grpc_status_code status;
+  char *status_details;
+  size_t details_capacity;
+};
+
+class ServerCloseResponseOp : public Op {
+ public:
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew<Boolean>(cancelled));
+  }
+
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    out->data.recv_close_on_server.cancelled = &cancelled;
+    return true;
+  }
+
+ protected:
+  std::string GetTypeString() const {
+    return "cancelled";
+  }
+
+ private:
+  int cancelled;
+};
+
+tag::tag(NanCallback *callback, OpVec *ops,
+         shared_ptr<Resources> resources) :
+    callback(callback), ops(ops), resources(resources){
+}
+
+tag::~tag() {
+  delete callback;
+  delete ops;
+}
+
+Handle<Value> GetTagNodeValue(void *tag) {
+  NanEscapableScope();
+  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
+  Handle<Object> tag_obj = NanNew<Object>();
+  for (vector<unique_ptr<Op> >::iterator it = tag_struct->ops->begin();
+       it != tag_struct->ops->end(); ++it) {
+    Op *op_ptr = it->get();
+    tag_obj->Set(op_ptr->GetOpType(), op_ptr->GetNodeValue());
+  }
+  return NanEscapeScope(tag_obj);
+}
+
+NanCallback *GetTagCallback(void *tag) {
+  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
+  return tag_struct->callback;
+}
+
+void DestroyTag(void *tag) {
+  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
+  delete tag_struct;
+}
+
+Call::Call(grpc_call *call) : wrapped_call(call) {
+}
+
+Call::~Call() {
+  grpc_call_destroy(wrapped_call);
+}
 
 void Call::Init(Handle<Object> exports) {
   NanScope();
   Local<FunctionTemplate> tpl = FunctionTemplate::New(New);
   tpl->SetClassName(NanNew("Call"));
   tpl->InstanceTemplate()->SetInternalFieldCount(1);
-  NanSetPrototypeTemplate(tpl, "addMetadata",
-                          FunctionTemplate::New(AddMetadata)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "invoke",
-                          FunctionTemplate::New(Invoke)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "serverAccept",
-                          FunctionTemplate::New(ServerAccept)->GetFunction());
-  NanSetPrototypeTemplate(
-      tpl, "serverEndInitialMetadata",
-      FunctionTemplate::New(ServerEndInitialMetadata)->GetFunction());
+  NanSetPrototypeTemplate(tpl, "startBatch",
+                          FunctionTemplate::New(StartBatch)->GetFunction());
   NanSetPrototypeTemplate(tpl, "cancel",
                           FunctionTemplate::New(Cancel)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "startWrite",
-                          FunctionTemplate::New(StartWrite)->GetFunction());
-  NanSetPrototypeTemplate(
-      tpl, "startWriteStatus",
-      FunctionTemplate::New(StartWriteStatus)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "writesDone",
-                          FunctionTemplate::New(WritesDone)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "startReadMetadata",
-                          FunctionTemplate::New(WritesDone)->GetFunction());
-  NanSetPrototypeTemplate(tpl, "startRead",
-                          FunctionTemplate::New(StartRead)->GetFunction());
   NanAssignPersistent(fun_tpl, tpl);
   NanAssignPersistent(constructor, tpl->GetFunction());
   constructor->Set(NanNew("WRITE_BUFFER_HINT"),
@@ -152,9 +496,9 @@ NAN_METHOD(Call::New) {
       NanUtf8String method(args[1]);
       double deadline = args[2]->NumberValue();
       grpc_channel *wrapped_channel = channel->GetWrappedChannel();
-      grpc_call *wrapped_call = grpc_channel_create_call_old(
-          wrapped_channel, *method, channel->GetHost(),
-          MillisecondsToTimespec(deadline));
+      grpc_call *wrapped_call = grpc_channel_create_call(
+          wrapped_channel, CompletionQueueAsyncWorker::GetQueue(), *method,
+          channel->GetHost(), MillisecondsToTimespec(deadline));
       call = new Call(wrapped_call);
       args.This()->SetHiddenValue(String::NewSymbol("channel_"),
                                   channel_object);
@@ -168,119 +512,74 @@ NAN_METHOD(Call::New) {
   }
 }
 
-NAN_METHOD(Call::AddMetadata) {
+NAN_METHOD(Call::StartBatch) {
   NanScope();
   if (!HasInstance(args.This())) {
-    return NanThrowTypeError("addMetadata can only be called on Call objects");
+    return NanThrowTypeError("startBatch can only be called on Call objects");
   }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
   if (!args[0]->IsObject()) {
-    return NanThrowTypeError("addMetadata's first argument must be an object");
-  }
-  Handle<Object> metadata = args[0]->ToObject();
-  Handle<Array> keys(metadata->GetOwnPropertyNames());
-  for (unsigned int i = 0; i < keys->Length(); i++) {
-    Handle<String> current_key(keys->Get(i)->ToString());
-    if (!metadata->Get(current_key)->IsArray()) {
-      return NanThrowTypeError(
-          "addMetadata's first argument's values must be arrays");
-    }
-    NanUtf8String utf8_key(current_key);
-    Handle<Array> values = Local<Array>::Cast(metadata->Get(current_key));
-    for (unsigned int j = 0; j < values->Length(); j++) {
-      Handle<Value> value = values->Get(j);
-      grpc_metadata metadata;
-      grpc_call_error error;
-      metadata.key = *utf8_key;
-      if (Buffer::HasInstance(value)) {
-        metadata.value = Buffer::Data(value);
-        metadata.value_length = Buffer::Length(value);
-        error = grpc_call_add_metadata_old(call->wrapped_call, &metadata, 0);
-      } else if (value->IsString()) {
-        Handle<String> string_value = value->ToString();
-        NanUtf8String utf8_value(string_value);
-        metadata.value = *utf8_value;
-        metadata.value_length = string_value->Length();
-        gpr_log(GPR_DEBUG, "adding metadata: %s, %s, %d", metadata.key,
-                metadata.value, metadata.value_length);
-        error = grpc_call_add_metadata_old(call->wrapped_call, &metadata, 0);
-      } else {
-        return NanThrowTypeError(
-            "addMetadata values must be strings or buffers");
-      }
-      if (error != GRPC_CALL_OK) {
-        return NanThrowError("addMetadata failed", error);
-      }
-    }
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::Invoke) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError("invoke can only be called on Call objects");
-  }
-  if (!args[0]->IsFunction()) {
-    return NanThrowTypeError("invoke's first argument must be a function");
+    return NanThrowError("startBatch's first argument must be an object");
   }
   if (!args[1]->IsFunction()) {
-    return NanThrowTypeError("invoke's second argument must be a function");
-  }
-  if (!args[2]->IsUint32()) {
-    return NanThrowTypeError("invoke's third argument must be integer flags");
-  }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  unsigned int flags = args[3]->Uint32Value();
-  grpc_call_error error = grpc_call_invoke_old(
-      call->wrapped_call, CompletionQueueAsyncWorker::GetQueue(),
-      CreateTag(args[0], args.This()), CreateTag(args[1], args.This()), flags);
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("invoke failed", error);
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::ServerAccept) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError("accept can only be called on Call objects");
-  }
-  if (!args[0]->IsFunction()) {
-    return NanThrowTypeError("accept's first argument must be a function");
+    return NanThrowError("startBatch's second argument must be a callback");
   }
+  Handle<Function> callback_func = args[1].As<Function>();
   Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  grpc_call_error error = grpc_call_server_accept_old(
-      call->wrapped_call, CompletionQueueAsyncWorker::GetQueue(),
-      CreateTag(args[0], args.This()));
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("serverAccept failed", error);
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::ServerEndInitialMetadata) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError(
-        "serverEndInitialMetadata can only be called on Call objects");
-  }
-  if (!args[0]->IsUint32()) {
-    return NanThrowTypeError(
-        "serverEndInitialMetadata's second argument must be integer flags");
+  shared_ptr<Resources> resources(new Resources);
+  Handle<Object> obj = args[0]->ToObject();
+  Handle<Array> keys = obj->GetOwnPropertyNames();
+  size_t nops = keys->Length();
+  vector<grpc_op> ops(nops);
+  unique_ptr<OpVec> op_vector(new OpVec());
+  for (unsigned int i = 0; i < nops; i++) {
+    unique_ptr<Op> op;
+    if (!keys->Get(i)->IsUint32()) {
+      return NanThrowError(
+          "startBatch's first argument's keys must be integers");
+    }
+    uint32_t type = keys->Get(i)->Uint32Value();
+    ops[i].op = static_cast<grpc_op_type>(type);
+    switch (type) {
+      case GRPC_OP_SEND_INITIAL_METADATA:
+        op.reset(new SendMetadataOp());
+        break;
+      case GRPC_OP_SEND_MESSAGE:
+        op.reset(new SendMessageOp());
+        break;
+      case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+        op.reset(new SendClientCloseOp());
+        break;
+      case GRPC_OP_SEND_STATUS_FROM_SERVER:
+        op.reset(new SendServerStatusOp());
+        break;
+      case GRPC_OP_RECV_INITIAL_METADATA:
+        op.reset(new GetMetadataOp());
+        break;
+      case GRPC_OP_RECV_MESSAGE:
+        op.reset(new ReadMessageOp());
+        break;
+      case GRPC_OP_RECV_STATUS_ON_CLIENT:
+        op.reset(new ClientStatusOp());
+        break;
+      case GRPC_OP_RECV_CLOSE_ON_SERVER:
+        op.reset(new ServerCloseResponseOp());
+        break;
+      default:
+        return NanThrowError("Argument object had an unrecognized key");
+    }
+    if (!op->ParseOp(obj->Get(type), &ops[i], resources)) {
+      return NanThrowTypeError("Incorrectly typed arguments to startBatch");
+    }
+    op_vector->push_back(std::move(op));
   }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  unsigned int flags = args[1]->Uint32Value();
-  grpc_call_error error =
-      grpc_call_server_end_initial_metadata_old(call->wrapped_call, flags);
+  NanCallback *callback = new NanCallback(callback_func);
+  grpc_call_error error = grpc_call_start_batch(
+      call->wrapped_call, &ops[0], nops, new struct tag(
+          callback, op_vector.release(), resources));
   if (error != GRPC_CALL_OK) {
-    return NanThrowError("serverEndInitialMetadata failed", error);
+    return NanThrowError("startBatch failed", error);
   }
+  CompletionQueueAsyncWorker::Next();
   NanReturnUndefined();
 }
 
@@ -297,102 +596,5 @@ NAN_METHOD(Call::Cancel) {
   NanReturnUndefined();
 }
 
-NAN_METHOD(Call::StartWrite) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError("startWrite can only be called on Call objects");
-  }
-  if (!Buffer::HasInstance(args[0])) {
-    return NanThrowTypeError("startWrite's first argument must be a Buffer");
-  }
-  if (!args[1]->IsFunction()) {
-    return NanThrowTypeError("startWrite's second argument must be a function");
-  }
-  if (!args[2]->IsUint32()) {
-    return NanThrowTypeError(
-        "startWrite's third argument must be integer flags");
-  }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  grpc_byte_buffer *buffer = BufferToByteBuffer(args[0]);
-  unsigned int flags = args[2]->Uint32Value();
-  grpc_call_error error = grpc_call_start_write_old(
-      call->wrapped_call, buffer, CreateTag(args[1], args.This()), flags);
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("startWrite failed", error);
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::StartWriteStatus) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError(
-        "startWriteStatus can only be called on Call objects");
-  }
-  if (!args[0]->IsUint32()) {
-    return NanThrowTypeError(
-        "startWriteStatus's first argument must be a status code");
-  }
-  if (!args[1]->IsString()) {
-    return NanThrowTypeError(
-        "startWriteStatus's second argument must be a string");
-  }
-  if (!args[2]->IsFunction()) {
-    return NanThrowTypeError(
-        "startWriteStatus's third argument must be a function");
-  }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  NanUtf8String details(args[1]);
-  grpc_call_error error = grpc_call_start_write_status_old(
-      call->wrapped_call, (grpc_status_code)args[0]->Uint32Value(), *details,
-      CreateTag(args[2], args.This()));
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("startWriteStatus failed", error);
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::WritesDone) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError("writesDone can only be called on Call objects");
-  }
-  if (!args[0]->IsFunction()) {
-    return NanThrowTypeError("writesDone's first argument must be a function");
-  }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  grpc_call_error error = grpc_call_writes_done_old(
-      call->wrapped_call, CreateTag(args[0], args.This()));
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("writesDone failed", error);
-  }
-  NanReturnUndefined();
-}
-
-NAN_METHOD(Call::StartRead) {
-  NanScope();
-  if (!HasInstance(args.This())) {
-    return NanThrowTypeError("startRead can only be called on Call objects");
-  }
-  if (!args[0]->IsFunction()) {
-    return NanThrowTypeError("startRead's first argument must be a function");
-  }
-  Call *call = ObjectWrap::Unwrap<Call>(args.This());
-  grpc_call_error error = grpc_call_start_read_old(
-      call->wrapped_call, CreateTag(args[0], args.This()));
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
-    return NanThrowError("startRead failed", error);
-  }
-  NanReturnUndefined();
-}
-
 }  // namespace node
 }  // namespace grpc

src/node/ext/call.h

@@ -34,15 +34,71 @@
 #ifndef NET_GRPC_NODE_CALL_H_
 #define NET_GRPC_NODE_CALL_H_
 
+#include <memory>
+#include <vector>
+
 #include <node.h>
 #include <nan.h>
 #include "grpc/grpc.h"
 
 #include "channel.h"
 
+
 namespace grpc {
 namespace node {
 
+using std::unique_ptr;
+using std::shared_ptr;
+
+v8::Handle<v8::Value> ParseMetadata(const grpc_metadata_array *metadata_array);
+
+class PersistentHolder {
+ public:
+  explicit PersistentHolder(v8::Persistent<v8::Value> persist) :
+      persist(persist) {
+  }
+
+  ~PersistentHolder() {
+    NanDisposePersistent(persist);
+  }
+
+ private:
+  v8::Persistent<v8::Value> persist;
+};
+
+struct Resources {
+  std::vector<unique_ptr<NanUtf8String> > strings;
+  std::vector<unique_ptr<PersistentHolder> > handles;
+};
+
+class Op {
+ public:
+  virtual v8::Handle<v8::Value> GetNodeValue() const = 0;
+  virtual bool ParseOp(v8::Handle<v8::Value> value, grpc_op *out,
+                       shared_ptr<Resources> resources) = 0;
+  v8::Handle<v8::Value> GetOpType() const;
+
+ protected:
+  virtual std::string GetTypeString() const = 0;
+};
+
+typedef std::vector<unique_ptr<Op>> OpVec;
+
+struct tag {
+  tag(NanCallback *callback, OpVec *ops,
+      shared_ptr<Resources> resources);
+  ~tag();
+  NanCallback *callback;
+  OpVec *ops;
+  shared_ptr<Resources> resources;
+};
+
+v8::Handle<v8::Value> GetTagNodeValue(void *tag);
+
+NanCallback *GetTagCallback(void *tag);
+
+void DestroyTag(void *tag);
+
 /* Wrapper class for grpc_call structs. */
 class Call : public ::node::ObjectWrap {
  public:
@@ -60,15 +116,8 @@ class Call : public ::node::ObjectWrap {
   Call &operator=(const Call &);
 
   static NAN_METHOD(New);
-  static NAN_METHOD(AddMetadata);
-  static NAN_METHOD(Invoke);
-  static NAN_METHOD(ServerAccept);
-  static NAN_METHOD(ServerEndInitialMetadata);
+  static NAN_METHOD(StartBatch);
   static NAN_METHOD(Cancel);
-  static NAN_METHOD(StartWrite);
-  static NAN_METHOD(StartWriteStatus);
-  static NAN_METHOD(WritesDone);
-  static NAN_METHOD(StartRead);
   static v8::Persistent<v8::Function> constructor;
   // Used for typechecking instances of this javascript class
   static v8::Persistent<v8::FunctionTemplate> fun_tpl;

src/node/ext/completion_queue_async_worker.cc

@@ -35,10 +35,10 @@
 #include <nan.h>
 
 #include "grpc/grpc.h"
+#include "grpc/support/log.h"
 #include "grpc/support/time.h"
 #include "completion_queue_async_worker.h"
-#include "event.h"
-#include "tag.h"
+#include "call.h"
 
 namespace grpc {
 namespace node {
@@ -58,6 +58,9 @@ CompletionQueueAsyncWorker::~CompletionQueueAsyncWorker() {}
 
 void CompletionQueueAsyncWorker::Execute() {
   result = grpc_completion_queue_next(queue, gpr_inf_future);
+  if (result->data.op_complete != GRPC_OP_OK) {
+    SetErrorMessage("The batch encountered an error");
+  }
 }
 
 grpc_completion_queue *CompletionQueueAsyncWorker::GetQueue() { return queue; }
@@ -75,14 +78,26 @@ void CompletionQueueAsyncWorker::Init(Handle<Object> exports) {
 
 void CompletionQueueAsyncWorker::HandleOKCallback() {
   NanScope();
-  NanCallback event_callback(GetTagHandle(result->tag).As<Function>());
-  Handle<Value> argv[] = {CreateEventObject(result)};
+  NanCallback *callback = GetTagCallback(result->tag);
+  Handle<Value> argv[] = {NanNull(), GetTagNodeValue(result->tag)};
+
+  callback->Call(2, argv);
 
   DestroyTag(result->tag);
   grpc_event_finish(result);
   result = NULL;
+}
+
+void CompletionQueueAsyncWorker::HandleErrorCallback() {
+  NanScope();
+  NanCallback *callback = GetTagCallback(result->tag);
+  Handle<Value> argv[] = {NanError(ErrorMessage())};
 
-  event_callback.Call(1, argv);
+  callback->Call(1, argv);
+
+  DestroyTag(result->tag);
+  grpc_event_finish(result);
+  result = NULL;
 }
 
 }  // namespace node

src/node/ext/completion_queue_async_worker.h

@@ -67,6 +67,8 @@ class CompletionQueueAsyncWorker : public NanAsyncWorker {
      completion_queue_next */
   void HandleOKCallback();
 
+  void HandleErrorCallback();
+
  private:
   grpc_event *result;
 

src/node/ext/credentials.cc

@@ -63,7 +63,6 @@ Credentials::Credentials(grpc_credentials *credentials)
     : wrapped_credentials(credentials) {}
 
 Credentials::~Credentials() {
-  gpr_log(GPR_DEBUG, "Destroying credentials object");
   grpc_credentials_release(wrapped_credentials);
 }
 

src/node/ext/event.cc

@@ -1,173 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <map>
-
-#include <node.h>
-#include <nan.h>
-#include "grpc/grpc.h"
-#include "byte_buffer.h"
-#include "call.h"
-#include "event.h"
-#include "tag.h"
-#include "timeval.h"
-
-namespace grpc {
-namespace node {
-
-using ::node::Buffer;
-using v8::Array;
-using v8::Date;
-using v8::Handle;
-using v8::HandleScope;
-using v8::Number;
-using v8::Object;
-using v8::Persistent;
-using v8::String;
-using v8::Value;
-
-Handle<Value> ParseMetadata(grpc_metadata *metadata_elements, size_t length) {
-  NanEscapableScope();
-  std::map<const char*, size_t> size_map;
-  std::map<const char*, size_t> index_map;
-
-  for (unsigned int i = 0; i < length; i++) {
-    const char *key = metadata_elements[i].key;
-    if (size_map.count(key)) {
-      size_map[key] += 1;
-    }
-    index_map[key] = 0;
-  }
-  Handle<Object> metadata_object = NanNew<Object>();
-  for (unsigned int i = 0; i < length; i++) {
-    grpc_metadata* elem = &metadata_elements[i];
-    Handle<String> key_string = String::New(elem->key);
-    Handle<Array> array;
-    if (metadata_object->Has(key_string)) {
-      array = Handle<Array>::Cast(metadata_object->Get(key_string));
-    } else {
-      array = NanNew<Array>(size_map[elem->key]);
-      metadata_object->Set(key_string, array);
-    }
-    array->Set(index_map[elem->key],
-               MakeFastBuffer(
-                   NanNewBufferHandle(elem->value, elem->value_length)));
-    index_map[elem->key] += 1;
-  }
-  return NanEscapeScope(metadata_object);
-}
-
-Handle<Value> GetEventData(grpc_event *event) {
-  NanEscapableScope();
-  size_t count;
-  grpc_metadata *items;
-  Handle<Array> metadata;
-  Handle<Object> status;
-  Handle<Object> rpc_new;
-  switch (event->type) {
-    case GRPC_READ:
-      return NanEscapeScope(ByteBufferToBuffer(event->data.read));
-    case GRPC_WRITE_ACCEPTED:
-      return NanEscapeScope(NanNew<Number>(event->data.write_accepted));
-    case GRPC_FINISH_ACCEPTED:
-      return NanEscapeScope(NanNew<Number>(event->data.finish_accepted));
-    case GRPC_CLIENT_METADATA_READ:
-      count = event->data.client_metadata_read.count;
-      items = event->data.client_metadata_read.elements;
-      return NanEscapeScope(ParseMetadata(items, count));
-    case GRPC_FINISHED:
-      status = NanNew<Object>();
-      status->Set(NanNew("code"), NanNew<Number>(event->data.finished.status));
-      if (event->data.finished.details != NULL) {
-        status->Set(NanNew("details"),
-                    String::New(event->data.finished.details));
-      }
-      count = event->data.finished.metadata_count;
-      items = event->data.finished.metadata_elements;
-      status->Set(NanNew("metadata"), ParseMetadata(items, count));
-      return NanEscapeScope(status);
-    case GRPC_SERVER_RPC_NEW:
-      rpc_new = NanNew<Object>();
-      if (event->data.server_rpc_new.method == NULL) {
-        return NanEscapeScope(NanNull());
-      }
-      rpc_new->Set(
-          NanNew("method"),
-          NanNew(event->data.server_rpc_new.method));
-      rpc_new->Set(
-          NanNew("host"),
-          NanNew(event->data.server_rpc_new.host));
-      rpc_new->Set(NanNew("absolute_deadline"),
-                   NanNew<Date>(TimespecToMilliseconds(
-                       event->data.server_rpc_new.deadline)));
-      count = event->data.server_rpc_new.metadata_count;
-      items = event->data.server_rpc_new.metadata_elements;
-      metadata = NanNew<Array>(static_cast<int>(count));
-      for (unsigned int i = 0; i < count; i++) {
-        Handle<Object> item_obj = Object::New();
-        item_obj->Set(NanNew("key"),
-                      NanNew(items[i].key));
-        item_obj->Set(
-            NanNew("value"),
-            NanNew(items[i].value, static_cast<int>(items[i].value_length)));
-        metadata->Set(i, item_obj);
-      }
-      rpc_new->Set(NanNew("metadata"), ParseMetadata(items, count));
-      return NanEscapeScope(rpc_new);
-    default:
-      return NanEscapeScope(NanNull());
-  }
-}
-
-Handle<Value> CreateEventObject(grpc_event *event) {
-  NanEscapableScope();
-  if (event == NULL) {
-    return NanEscapeScope(NanNull());
-  }
-  Handle<Object> event_obj = NanNew<Object>();
-  Handle<Value> call;
-  if (TagHasCall(event->tag)) {
-    call = TagGetCall(event->tag);
-  } else {
-    call = Call::WrapStruct(event->call);
-  }
-  event_obj->Set(NanNew<String, const char *>("call"), call);
-  event_obj->Set(NanNew<String, const char *>("type"),
-                 NanNew<Number>(event->type));
-  event_obj->Set(NanNew<String, const char *>("data"), GetEventData(event));
-
-  return NanEscapeScope(event_obj);
-}
-
-}  // namespace node
-}  // namespace grpc

src/node/ext/node_grpc.cc

@@ -130,35 +130,34 @@ void InitCallErrorConstants(Handle<Object> exports) {
   call_error->Set(NanNew("INVALID_FLAGS"), INVALID_FLAGS);
 }
 
-void InitOpErrorConstants(Handle<Object> exports) {
+void InitOpTypeConstants(Handle<Object> exports) {
   NanScope();
-  Handle<Object> op_error = Object::New();
-  exports->Set(NanNew("opError"), op_error);
-  Handle<Value> OK(NanNew<Uint32, uint32_t>(GRPC_OP_OK));
-  op_error->Set(NanNew("OK"), OK);
-  Handle<Value> ERROR(NanNew<Uint32, uint32_t>(GRPC_OP_ERROR));
-  op_error->Set(NanNew("ERROR"), ERROR);
-}
-
-void InitCompletionTypeConstants(Handle<Object> exports) {
-  NanScope();
-  Handle<Object> completion_type = Object::New();
-  exports->Set(NanNew("completionType"), completion_type);
-  Handle<Value> QUEUE_SHUTDOWN(NanNew<Uint32, uint32_t>(GRPC_QUEUE_SHUTDOWN));
-  completion_type->Set(NanNew("QUEUE_SHUTDOWN"), QUEUE_SHUTDOWN);
-  Handle<Value> READ(NanNew<Uint32, uint32_t>(GRPC_READ));
-  completion_type->Set(NanNew("READ"), READ);
-  Handle<Value> WRITE_ACCEPTED(NanNew<Uint32, uint32_t>(GRPC_WRITE_ACCEPTED));
-  completion_type->Set(NanNew("WRITE_ACCEPTED"), WRITE_ACCEPTED);
-  Handle<Value> FINISH_ACCEPTED(NanNew<Uint32, uint32_t>(GRPC_FINISH_ACCEPTED));
-  completion_type->Set(NanNew("FINISH_ACCEPTED"), FINISH_ACCEPTED);
-  Handle<Value> CLIENT_METADATA_READ(
-      NanNew<Uint32, uint32_t>(GRPC_CLIENT_METADATA_READ));
-  completion_type->Set(NanNew("CLIENT_METADATA_READ"), CLIENT_METADATA_READ);
-  Handle<Value> FINISHED(NanNew<Uint32, uint32_t>(GRPC_FINISHED));
-  completion_type->Set(NanNew("FINISHED"), FINISHED);
-  Handle<Value> SERVER_RPC_NEW(NanNew<Uint32, uint32_t>(GRPC_SERVER_RPC_NEW));
-  completion_type->Set(NanNew("SERVER_RPC_NEW"), SERVER_RPC_NEW);
+  Handle<Object> op_type = Object::New();
+  exports->Set(NanNew("opType"), op_type);
+  Handle<Value> SEND_INITIAL_METADATA(
+      NanNew<Uint32, uint32_t>(GRPC_OP_SEND_INITIAL_METADATA));
+  op_type->Set(NanNew("SEND_INITIAL_METADATA"), SEND_INITIAL_METADATA);
+  Handle<Value> SEND_MESSAGE(
+      NanNew<Uint32, uint32_t>(GRPC_OP_SEND_MESSAGE));
+  op_type->Set(NanNew("SEND_MESSAGE"), SEND_MESSAGE);
+  Handle<Value> SEND_CLOSE_FROM_CLIENT(
+      NanNew<Uint32, uint32_t>(GRPC_OP_SEND_CLOSE_FROM_CLIENT));
+  op_type->Set(NanNew("SEND_CLOSE_FROM_CLIENT"), SEND_CLOSE_FROM_CLIENT);
+  Handle<Value> SEND_STATUS_FROM_SERVER(
+      NanNew<Uint32, uint32_t>(GRPC_OP_SEND_STATUS_FROM_SERVER));
+  op_type->Set(NanNew("SEND_STATUS_FROM_SERVER"), SEND_STATUS_FROM_SERVER);
+  Handle<Value> RECV_INITIAL_METADATA(
+      NanNew<Uint32, uint32_t>(GRPC_OP_RECV_INITIAL_METADATA));
+  op_type->Set(NanNew("RECV_INITIAL_METADATA"), RECV_INITIAL_METADATA);
+  Handle<Value> RECV_MESSAGE(
+      NanNew<Uint32, uint32_t>(GRPC_OP_RECV_MESSAGE));
+  op_type->Set(NanNew("RECV_MESSAGE"), RECV_MESSAGE);
+  Handle<Value> RECV_STATUS_ON_CLIENT(
+      NanNew<Uint32, uint32_t>(GRPC_OP_RECV_STATUS_ON_CLIENT));
+  op_type->Set(NanNew("RECV_STATUS_ON_CLIENT"), RECV_STATUS_ON_CLIENT);
+  Handle<Value> RECV_CLOSE_ON_SERVER(
+      NanNew<Uint32, uint32_t>(GRPC_OP_RECV_CLOSE_ON_SERVER));
+  op_type->Set(NanNew("RECV_CLOSE_ON_SERVER"), RECV_CLOSE_ON_SERVER);
 }
 
 void init(Handle<Object> exports) {
@@ -166,8 +165,7 @@ void init(Handle<Object> exports) {
   grpc_init();
   InitStatusConstants(exports);
   InitCallErrorConstants(exports);
-  InitOpErrorConstants(exports);
-  InitCompletionTypeConstants(exports);
+  InitOpTypeConstants(exports);
 
   grpc::node::Call::Init(exports);
   grpc::node::Channel::Init(exports);

src/node/ext/server.cc

@@ -31,6 +31,8 @@
  *
  */
 
+#include <memory>
+
 #include "server.h"
 
 #include <node.h>
@@ -41,17 +43,20 @@
 #include <vector>
 #include "grpc/grpc.h"
 #include "grpc/grpc_security.h"
+#include "grpc/support/log.h"
 #include "call.h"
 #include "completion_queue_async_worker.h"
-#include "tag.h"
 #include "server_credentials.h"
+#include "timeval.h"
 
 namespace grpc {
 namespace node {
 
+using std::unique_ptr;
 using v8::Arguments;
 using v8::Array;
 using v8::Boolean;
+using v8::Date;
 using v8::Exception;
 using v8::Function;
 using v8::FunctionTemplate;
@@ -67,6 +72,49 @@ using v8::Value;
 Persistent<Function> Server::constructor;
 Persistent<FunctionTemplate> Server::fun_tpl;
 
+class NewCallOp : public Op {
+ public:
+  NewCallOp() {
+    call = NULL;
+    grpc_call_details_init(&details);
+    grpc_metadata_array_init(&request_metadata);
+  }
+
+  ~NewCallOp() {
+    grpc_call_details_destroy(&details);
+    grpc_metadata_array_destroy(&request_metadata);
+  }
+
+  Handle<Value> GetNodeValue() const {
+    NanEscapableScope();
+    if (call == NULL) {
+      return NanEscapeScope(NanNull());
+    }
+    Handle<Object> obj = NanNew<Object>();
+    obj->Set(NanNew("call"), Call::WrapStruct(call));
+    obj->Set(NanNew("method"), NanNew(details.method));
+    obj->Set(NanNew("host"), NanNew(details.host));
+    obj->Set(NanNew("deadline"),
+             NanNew<Date>(TimespecToMilliseconds(details.deadline)));
+    obj->Set(NanNew("metadata"), ParseMetadata(&request_metadata));
+    return NanEscapeScope(obj);
+  }
+
+  bool ParseOp(Handle<Value> value, grpc_op *out,
+               shared_ptr<Resources> resources) {
+    return true;
+  }
+
+  grpc_call *call;
+  grpc_call_details details;
+  grpc_metadata_array request_metadata;
+
+ protected:
+  std::string GetTypeString() const {
+    return "new call";
+  }
+};
+
 Server::Server(grpc_server *server) : wrapped_server(server) {}
 
 Server::~Server() { grpc_server_destroy(wrapped_server); }
@@ -175,13 +223,18 @@ NAN_METHOD(Server::RequestCall) {
     return NanThrowTypeError("requestCall can only be called on a Server");
   }
   Server *server = ObjectWrap::Unwrap<Server>(args.This());
-  grpc_call_error error = grpc_server_request_call_old(
-      server->wrapped_server, CreateTag(args[0], NanNull()));
-  if (error == GRPC_CALL_OK) {
-    CompletionQueueAsyncWorker::Next();
-  } else {
+  NewCallOp *op = new NewCallOp();
+  unique_ptr<OpVec> ops(new OpVec());
+  ops->push_back(unique_ptr<Op>(op));
+  grpc_call_error error = grpc_server_request_call(
+      server->wrapped_server, &op->call, &op->details, &op->request_metadata,
+      CompletionQueueAsyncWorker::GetQueue(),
+      new struct tag(new NanCallback(args[0].As<Function>()), ops.release(),
+                     shared_ptr<Resources>(nullptr)));
+  if (error != GRPC_CALL_OK) {
     return NanThrowError("requestCall failed", error);
   }
+  CompletionQueueAsyncWorker::Next();
   NanReturnUndefined();
 }
 

src/node/ext/server_credentials.cc

@@ -63,7 +63,6 @@ ServerCredentials::ServerCredentials(grpc_server_credentials *credentials)
     : wrapped_credentials(credentials) {}
 
 ServerCredentials::~ServerCredentials() {
-  gpr_log(GPR_DEBUG, "Destroying server credentials object");
   grpc_server_credentials_release(wrapped_credentials);
 }
 

src/node/ext/tag.cc

@@ -1,101 +0,0 @@
-/*
- *
- * Copyright 2014, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <stdlib.h>
-#include <node.h>
-#include <nan.h>
-#include "tag.h"
-
-namespace grpc {
-namespace node {
-
-using v8::Handle;
-using v8::HandleScope;
-using v8::Persistent;
-using v8::Value;
-
-struct tag {
-  tag(Persistent<Value> *tag, Persistent<Value> *call)
-      : persist_tag(tag), persist_call(call) {}
-
-  ~tag() {
-    persist_tag->Dispose();
-    if (persist_call != NULL) {
-      persist_call->Dispose();
-    }
-  }
-  Persistent<Value> *persist_tag;
-  Persistent<Value> *persist_call;
-};
-
-void *CreateTag(Handle<Value> tag, Handle<Value> call) {
-  NanScope();
-  Persistent<Value> *persist_tag = new Persistent<Value>();
-  NanAssignPersistent(*persist_tag, tag);
-  Persistent<Value> *persist_call;
-  if (call->IsNull() || call->IsUndefined()) {
-    persist_call = NULL;
-  } else {
-    persist_call = new Persistent<Value>();
-    NanAssignPersistent(*persist_call, call);
-  }
-  struct tag *tag_struct = new struct tag(persist_tag, persist_call);
-  return reinterpret_cast<void *>(tag_struct);
-}
-
-Handle<Value> GetTagHandle(void *tag) {
-  NanEscapableScope();
-  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
-  Handle<Value> tag_value = NanNew<Value>(*tag_struct->persist_tag);
-  return NanEscapeScope(tag_value);
-}
-
-bool TagHasCall(void *tag) {
-  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
-  return tag_struct->persist_call != NULL;
-}
-
-Handle<Value> TagGetCall(void *tag) {
-  NanEscapableScope();
-  struct tag *tag_struct = reinterpret_cast<struct tag *>(tag);
-  if (tag_struct->persist_call == NULL) {
-    return NanEscapeScope(NanNull());
-  }
-  Handle<Value> call_value = NanNew<Value>(*tag_struct->persist_call);
-  return NanEscapeScope(call_value);
-}
-
-void DestroyTag(void *tag) { delete reinterpret_cast<struct tag *>(tag); }
-
-}  // namespace node
-}  // namespace grpc

src/node/ext/tag.h

@@ -1,59 +0,0 @@
-/*
- *
- * Copyright 2014, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef NET_GRPC_NODE_TAG_H_
-#define NET_GRPC_NODE_TAG_H_
-
-#include <node.h>
-
-namespace grpc {
-namespace node {
-
-/* Create a void* tag that can be passed to various grpc_call functions from
-   a javascript value and the javascript wrapper for the call. The call can be
-   null. */
-void *CreateTag(v8::Handle<v8::Value> tag, v8::Handle<v8::Value> call);
-/* Return the javascript value stored in the tag */
-v8::Handle<v8::Value> GetTagHandle(void *tag);
-/* Returns true if the call was set (non-null) when the tag was created */
-bool TagHasCall(void *tag);
-/* Returns the javascript wrapper for the call associated with this tag */
-v8::Handle<v8::Value> TagGetCall(void *call);
-/* Destroy the tag and all resources it is holding. It is illegal to call any
-   of these other functions on a tag after it has been destroyed. */
-void DestroyTag(void *tag);
-
-}  // namespace node
-}  // namespace grpc
-
-#endif  // NET_GRPC_NODE_TAG_H_

src/node/index.js

@@ -35,9 +35,9 @@ var _ = require('underscore');
 
 var ProtoBuf = require('protobufjs');
 
-var surface_client = require('./src/surface_client.js');
+var client = require('./src/client.js');
 
-var surface_server = require('./src/surface_server.js');
+var server = require('./src/server.js');
 
 var grpc = require('bindings')('grpc');
 
@@ -54,7 +54,7 @@ function loadObject(value) {
     });
     return result;
   } else if (value.className === 'Service') {
-    return surface_client.makeClientConstructor(value);
+    return client.makeClientConstructor(value);
   } else if (value.className === 'Message' || value.className === 'Enum') {
     return value.build();
   } else {
@@ -84,9 +84,9 @@ exports.loadObject = loadObject;
 exports.load = load;
 
 /**
- * See docs for surface_server.makeServerConstructor
+ * See docs for server.makeServerConstructor
  */
-exports.buildServer = surface_server.makeServerConstructor;
+exports.buildServer = server.makeServerConstructor;
 
 /**
  * Status name to code number mapping

src/node/interop/interop_client.js

@@ -145,8 +145,8 @@ function serverStreaming(client, done) {
     resp_index += 1;
   });
   call.on('status', function(status) {
-    assert.strictEqual(resp_index, 4);
     assert.strictEqual(status.code, grpc.status.OK);
+    assert.strictEqual(resp_index, 4);
     if (done) {
       done();
     }

src/node/interop/test.proto

@@ -14,7 +14,7 @@ service TestService {
   rpc EmptyCall(grpc.testing.Empty) returns (grpc.testing.Empty);
 
   // One request followed by one response.
-  // The server returns the client payload as-is.
+  // TODO(Issue 527): Describe required server behavior.
   rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
 
   // One request followed by a sequence of responses (streamed download).

src/node/package.json

@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "gRPC Library for Node",
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha"

src/node/src/client.js

@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,185 +31,452 @@
  *
  */
 
+var _ = require('underscore');
+
+var capitalize = require('underscore.string/capitalize');
+var decapitalize = require('underscore.string/decapitalize');
+
 var grpc = require('bindings')('grpc.node');
 
-var common = require('./common');
+var common = require('./common.js');
+
+var EventEmitter = require('events').EventEmitter;
 
-var Duplex = require('stream').Duplex;
+var stream = require('stream');
+
+var Readable = stream.Readable;
+var Writable = stream.Writable;
+var Duplex = stream.Duplex;
 var util = require('util');
 
-util.inherits(GrpcClientStream, Duplex);
+util.inherits(ClientWritableStream, Writable);
 
 /**
- * Class for representing a gRPC client side stream as a Node stream. Extends
- * from stream.Duplex.
+ * A stream that the client can write to. Used for calls that are streaming from
+ * the client side.
  * @constructor
- * @param {grpc.Call} call Call object to proxy
- * @param {function(*):Buffer=} serialize Serialization function for requests
- * @param {function(Buffer):*=} deserialize Deserialization function for
- *     responses
+ * @param {grpc.Call} call The call object to send data with
+ * @param {function(*):Buffer=} serialize Serialization function for writes.
  */
-function GrpcClientStream(call, serialize, deserialize) {
-  Duplex.call(this, {objectMode: true});
-  if (!serialize) {
-    serialize = function(value) {
-      return value;
-    };
-  }
-  if (!deserialize) {
-    deserialize = function(value) {
-      return value;
-    };
-  }
-  var self = this;
-  var finished = false;
-  // Indicates that a read is currently pending
-  var reading = false;
-  // Indicates that a write is currently pending
-  var writing = false;
-  this._call = call;
+function ClientWritableStream(call, serialize) {
+  Writable.call(this, {objectMode: true});
+  this.call = call;
+  this.serialize = common.wrapIgnoreNull(serialize);
+  this.on('finish', function() {
+    var batch = {};
+    batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    call.startBatch(batch, function() {});
+  });
+}
 
-  /**
-   * Serialize a request value to a buffer. Always maps null to null. Otherwise
-   * uses the provided serialize function
-   * @param {*} value The value to serialize
-   * @return {Buffer} The serialized value
-   */
-  this.serialize = function(value) {
-    if (value === null || value === undefined) {
-      return null;
+/**
+ * Attempt to write the given chunk. Calls the callback when done. This is an
+ * implementation of a method needed for implementing stream.Writable.
+ * @param {Buffer} chunk The chunk to write
+ * @param {string} encoding Ignored
+ * @param {function(Error=)} callback Called when the write is complete
+ */
+function _write(chunk, encoding, callback) {
+  var batch = {};
+  batch[grpc.opType.SEND_MESSAGE] = this.serialize(chunk);
+  this.call.startBatch(batch, function(err, event) {
+    if (err) {
+      throw err;
     }
-    return serialize(value);
-  };
+    callback();
+  });
+};
 
-  /**
-   * Deserialize a response buffer to a value. Always maps null to null.
-   * Otherwise uses the provided deserialize function.
-   * @param {Buffer} buffer The buffer to deserialize
-   * @return {*} The deserialized value
-   */
-  this.deserialize = function(buffer) {
-    if (buffer === null) {
-      return null;
-    }
-    return deserialize(buffer);
-  };
+ClientWritableStream.prototype._write = _write;
+
+util.inherits(ClientReadableStream, Readable);
+
+/**
+ * A stream that the client can read from. Used for calls that are streaming
+ * from the server side.
+ * @constructor
+ * @param {grpc.Call} call The call object to read data with
+ * @param {function(Buffer):*=} deserialize Deserialization function for reads
+ */
+function ClientReadableStream(call, deserialize) {
+  Readable.call(this, {objectMode: true});
+  this.call = call;
+  this.finished = false;
+  this.reading = false;
+  this.deserialize = common.wrapIgnoreNull(deserialize);
+}
+
+/**
+ * Read the next object from the stream.
+ * @param {*} size Ignored because we use objectMode=true
+ */
+function _read(size) {
+  var self = this;
   /**
    * Callback to be called when a READ event is received. Pushes the data onto
    * the read queue and starts reading again if applicable
    * @param {grpc.Event} event READ event object
    */
-  function readCallback(event) {
-    if (finished) {
+  function readCallback(err, event) {
+    if (err) {
+      throw err;
+    }
+    if (self.finished) {
       self.push(null);
       return;
     }
-    var data = event.data;
+    var data = event.read;
     if (self.push(self.deserialize(data)) && data != null) {
-      self._call.startRead(readCallback);
+      var read_batch = {};
+      read_batch[grpc.opType.RECV_MESSAGE] = true;
+      self.call.startBatch(read_batch, readCallback);
     } else {
-      reading = false;
+      self.reading = false;
+    }
+  }
+  if (self.finished) {
+    self.push(null);
+  } else {
+    if (!self.reading) {
+      self.reading = true;
+      var read_batch = {};
+      read_batch[grpc.opType.RECV_MESSAGE] = true;
+      self.call.startBatch(read_batch, readCallback);
     }
   }
-  call.invoke(function(event) {
-    self.emit('metadata', event.data);
-  }, function(event) {
-    finished = true;
-    self.emit('status', event.data);
-  }, 0);
+};
+
+ClientReadableStream.prototype._read = _read;
+
+util.inherits(ClientDuplexStream, Duplex);
+
+/**
+ * A stream that the client can read from or write to. Used for calls with
+ * duplex streaming.
+ * @constructor
+ * @param {grpc.Call} call Call object to proxy
+ * @param {function(*):Buffer=} serialize Serialization function for requests
+ * @param {function(Buffer):*=} deserialize Deserialization function for
+ *     responses
+ */
+function ClientDuplexStream(call, serialize, deserialize) {
+  Duplex.call(this, {objectMode: true});
+  this.serialize = common.wrapIgnoreNull(serialize);
+  this.deserialize = common.wrapIgnoreNull(deserialize);
+  var self = this;
+  var finished = false;
+  // Indicates that a read is currently pending
+  var reading = false;
+  this.call = call;
   this.on('finish', function() {
-    call.writesDone(function() {});
+    var batch = {};
+    batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    call.startBatch(batch, function() {});
   });
-  /**
-   * Start reading if there is not already a pending read. Reading will
-   * continue until self.push returns false (indicating reads should slow
-   * down) or the read data is null (indicating that there is no more data).
-   */
-  this.startReading = function() {
-    if (finished) {
-      self.push(null);
-    } else {
-      if (!reading) {
-        reading = true;
-        self._call.startRead(readCallback);
-      }
-    }
-  };
 }
 
+ClientDuplexStream.prototype._read = _read;
+ClientDuplexStream.prototype._write = _write;
+
 /**
- * Start reading. This is an implementation of a method needed for implementing
- * stream.Readable.
- * @param {number} size Ignored
+ * Cancel the ongoing call
  */
-GrpcClientStream.prototype._read = function(size) {
-  this.startReading();
-};
+function cancel() {
+  this.call.cancel();
+}
+
+ClientReadableStream.prototype.cancel = cancel;
+ClientWritableStream.prototype.cancel = cancel;
+ClientDuplexStream.prototype.cancel = cancel;
 
 /**
- * Attempt to write the given chunk. Calls the callback when done. This is an
- * implementation of a method needed for implementing stream.Writable.
- * @param {Buffer} chunk The chunk to write
- * @param {string} encoding Ignored
- * @param {function(Error=)} callback Ignored
+ * Get a function that can make unary requests to the specified method.
+ * @param {string} method The name of the method to request
+ * @param {function(*):Buffer} serialize The serialization function for inputs
+ * @param {function(Buffer)} deserialize The deserialization function for
+ *     outputs
+ * @return {Function} makeUnaryRequest
  */
-GrpcClientStream.prototype._write = function(chunk, encoding, callback) {
-  var self = this;
-  self._call.startWrite(self.serialize(chunk), function(event) {
-    callback();
-  }, 0);
-};
+function makeUnaryRequestFunction(method, serialize, deserialize) {
+  /**
+   * Make a unary request with this method on the given channel with the given
+   * argument, callback, etc.
+   * @this {Client} Client object. Must have a channel member.
+   * @param {*} argument The argument to the call. Should be serializable with
+   *     serialize
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
+   * @param {array=} metadata Array of metadata key/value pairs to add to the
+   *     call
+   * @param {(number|Date)=} deadline The deadline for processing this request.
+   *     Defaults to infinite future
+   * @return {EventEmitter} An event emitter for stream related events
+   */
+  function makeUnaryRequest(argument, callback, metadata, deadline) {
+    if (deadline === undefined) {
+      deadline = Infinity;
+    }
+    var emitter = new EventEmitter();
+    var call = new grpc.Call(this.channel, method, deadline);
+    if (metadata === null || metadata === undefined) {
+      metadata = {};
+    }
+    emitter.cancel = function cancel() {
+      call.cancel();
+    };
+    var client_batch = {};
+    client_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+    client_batch[grpc.opType.SEND_MESSAGE] = serialize(argument);
+    client_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    client_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    client_batch[grpc.opType.RECV_MESSAGE] = true;
+    client_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(client_batch, function(err, response) {
+      if (err) {
+        callback(err);
+        return;
+      }
+      if (response.status.code != grpc.status.OK) {
+        callback(response.status);
+        return;
+      }
+      emitter.emit('status', response.status);
+      emitter.emit('metadata', response.metadata);
+      callback(null, deserialize(response.read));
+    });
+    return emitter;
+  }
+  return makeUnaryRequest;
+}
 
 /**
- * Cancel the ongoing call. If the call has not already finished, it will finish
- * with status CANCELLED.
+ * Get a function that can make client stream requests to the specified method.
+ * @param {string} method The name of the method to request
+ * @param {function(*):Buffer} serialize The serialization function for inputs
+ * @param {function(Buffer)} deserialize The deserialization function for
+ *     outputs
+ * @return {Function} makeClientStreamRequest
  */
-GrpcClientStream.prototype.cancel = function() {
-  this._call.cancel();
-};
+function makeClientStreamRequestFunction(method, serialize, deserialize) {
+  /**
+   * Make a client stream request with this method on the given channel with the
+   * given callback, etc.
+   * @this {Client} Client object. Must have a channel member.
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
+   * @param {array=} metadata Array of metadata key/value pairs to add to the
+   *     call
+   * @param {(number|Date)=} deadline The deadline for processing this request.
+   *     Defaults to infinite future
+   * @return {EventEmitter} An event emitter for stream related events
+   */
+  function makeClientStreamRequest(callback, metadata, deadline) {
+    if (deadline === undefined) {
+      deadline = Infinity;
+    }
+    var call = new grpc.Call(this.channel, method, deadline);
+    if (metadata === null || metadata === undefined) {
+      metadata = {};
+    }
+    var stream = new ClientWritableStream(call, serialize);
+    var metadata_batch = {};
+    metadata_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+    metadata_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    call.startBatch(metadata_batch, function(err, response) {
+      if (err) {
+        callback(err);
+        return;
+      }
+      stream.emit('metadata', response.metadata);
+    });
+    var client_batch = {};
+    client_batch[grpc.opType.RECV_MESSAGE] = true;
+    client_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(client_batch, function(err, response) {
+      if (err) {
+        callback(err);
+        return;
+      }
+      if (response.status.code != grpc.status.OK) {
+        callback(response.status);
+        return;
+      }
+      stream.emit('status', response.status);
+      callback(null, deserialize(response.read));
+    });
+    return stream;
+  }
+  return makeClientStreamRequest;
+}
 
 /**
- * Make a request on the channel to the given method with the given arguments
- * @param {grpc.Channel} channel The channel on which to make the request
- * @param {string} method The method to request
- * @param {function(*):Buffer} serialize Serialization function for requests
- * @param {function(Buffer):*} deserialize Deserialization function for
- *     responses
- * @param {array=} metadata Array of metadata key/value pairs to add to the call
- * @param {(number|Date)=} deadline The deadline for processing this request.
- *     Defaults to infinite future.
- * @return {stream=} The stream of responses
+ * Get a function that can make server stream requests to the specified method.
+ * @param {string} method The name of the method to request
+ * @param {function(*):Buffer} serialize The serialization function for inputs
+ * @param {function(Buffer)} deserialize The deserialization function for
+ *     outputs
+ * @return {Function} makeServerStreamRequest
  */
-function makeRequest(channel,
-                     method,
-                     serialize,
-                     deserialize,
-                     metadata,
-                     deadline) {
-  if (deadline === undefined) {
-    deadline = Infinity;
+function makeServerStreamRequestFunction(method, serialize, deserialize) {
+  /**
+   * Make a server stream request with this method on the given channel with the
+   * given argument, etc.
+   * @this {SurfaceClient} Client object. Must have a channel member.
+   * @param {*} argument The argument to the call. Should be serializable with
+   *     serialize
+   * @param {array=} metadata Array of metadata key/value pairs to add to the
+   *     call
+   * @param {(number|Date)=} deadline The deadline for processing this request.
+   *     Defaults to infinite future
+   * @return {EventEmitter} An event emitter for stream related events
+   */
+  function makeServerStreamRequest(argument, metadata, deadline) {
+    if (deadline === undefined) {
+      deadline = Infinity;
+    }
+    var call = new grpc.Call(this.channel, method, deadline);
+    if (metadata === null || metadata === undefined) {
+      metadata = {};
+    }
+    var stream = new ClientReadableStream(call, deserialize);
+    var start_batch = {};
+    start_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+    start_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    start_batch[grpc.opType.SEND_MESSAGE] = serialize(argument);
+    start_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    call.startBatch(start_batch, function(err, response) {
+      if (err) {
+        throw err;
+      }
+      stream.emit('metadata', response.metadata);
+    });
+    var status_batch = {};
+    status_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(status_batch, function(err, response) {
+      if (err) {
+        throw err;
+      }
+      stream.emit('status', response.status);
+    });
+    return stream;
   }
-  var call = new grpc.Call(channel, method, deadline);
-  if (metadata) {
-    call.addMetadata(metadata);
+  return makeServerStreamRequest;
+}
+
+/**
+ * Get a function that can make bidirectional stream requests to the specified
+ * method.
+ * @param {string} method The name of the method to request
+ * @param {function(*):Buffer} serialize The serialization function for inputs
+ * @param {function(Buffer)} deserialize The deserialization function for
+ *     outputs
+ * @return {Function} makeBidiStreamRequest
+ */
+function makeBidiStreamRequestFunction(method, serialize, deserialize) {
+  /**
+   * Make a bidirectional stream request with this method on the given channel.
+   * @this {SurfaceClient} Client object. Must have a channel member.
+   * @param {array=} metadata Array of metadata key/value pairs to add to the
+   *     call
+   * @param {(number|Date)=} deadline The deadline for processing this request.
+   *     Defaults to infinite future
+   * @return {EventEmitter} An event emitter for stream related events
+   */
+  function makeBidiStreamRequest(metadata, deadline) {
+    if (deadline === undefined) {
+      deadline = Infinity;
+    }
+    var call = new grpc.Call(this.channel, method, deadline);
+    if (metadata === null || metadata === undefined) {
+      metadata = {};
+    }
+    var stream = new ClientDuplexStream(call, serialize, deserialize);
+    var start_batch = {};
+    start_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+    start_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    call.startBatch(start_batch, function(err, response) {
+      if (err) {
+        throw err;
+      }
+      stream.emit('metadata', response.metadata);
+    });
+    var status_batch = {};
+    status_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(status_batch, function(err, response) {
+      if (err) {
+        throw err;
+      }
+      stream.emit('status', response.status);
+    });
+    return stream;
   }
-  return new GrpcClientStream(call, serialize, deserialize);
+  return makeBidiStreamRequest;
 }
 
+
 /**
- * See documentation for makeRequest above
+ * Map with short names for each of the requester maker functions. Used in
+ * makeClientConstructor
  */
-exports.makeRequest = makeRequest;
+var requester_makers = {
+  unary: makeUnaryRequestFunction,
+  server_stream: makeServerStreamRequestFunction,
+  client_stream: makeClientStreamRequestFunction,
+  bidi: makeBidiStreamRequestFunction
+};
 
 /**
- * Represents a client side gRPC channel associated with a single host.
+ * Creates a constructor for clients for the given service
+ * @param {ProtoBuf.Reflect.Service} service The service to generate a client
+ *     for
+ * @return {function(string, Object)} New client constructor
  */
-exports.Channel = grpc.Channel;
+function makeClientConstructor(service) {
+  var prefix = '/' + common.fullyQualifiedName(service) + '/';
+  /**
+   * Create a client with the given methods
+   * @constructor
+   * @param {string} address The address of the server to connect to
+   * @param {Object} options Options to pass to the underlying channel
+   */
+  function Client(address, options) {
+    this.channel = new grpc.Channel(address, options);
+  }
+
+  _.each(service.children, function(method) {
+    var method_type;
+    if (method.requestStream) {
+      if (method.responseStream) {
+        method_type = 'bidi';
+      } else {
+        method_type = 'client_stream';
+      }
+    } else {
+      if (method.responseStream) {
+        method_type = 'server_stream';
+      } else {
+        method_type = 'unary';
+      }
+    }
+    Client.prototype[decapitalize(method.name)] =
+        requester_makers[method_type](
+            prefix + capitalize(method.name),
+            common.serializeCls(method.resolvedRequestType.build()),
+            common.deserializeCls(method.resolvedResponseType.build()));
+  });
+
+  Client.service = service;
+
+  return Client;
+}
+
+exports.makeClientConstructor = makeClientConstructor;
+
 /**
- * Status name to code number mapping
+ * See docs for client.status
  */
 exports.status = grpc.status;
 /**
- * Call error name to code number mapping
+ * See docs for client.callError
  */
 exports.callError = grpc.callError;

src/node/src/common.js

@@ -31,6 +31,8 @@
  *
  */
 
+var _ = require('underscore');
+
 var capitalize = require('underscore.string/capitalize');
 
 /**
@@ -87,6 +89,24 @@ function fullyQualifiedName(value) {
   return name;
 }
 
+/**
+ * Wrap a function to pass null-like values through without calling it. If no
+ * function is given, just uses the identity;
+ * @param {?function} func The function to wrap
+ * @return {function} The wrapped function
+ */
+function wrapIgnoreNull(func) {
+  if (!func) {
+    return _.identity;
+  }
+  return function(arg) {
+    if (arg === null || arg === undefined) {
+      return null;
+    }
+    return func(arg);
+  };
+}
+
 /**
  * See docs for deserializeCls
  */
@@ -101,3 +121,8 @@ exports.serializeCls = serializeCls;
  * See docs for fullyQualifiedName
  */
 exports.fullyQualifiedName = fullyQualifiedName;
+
+/**
+ * See docs for wrapIgnoreNull
+ */
+exports.wrapIgnoreNull = wrapIgnoreNull;

src/node/src/server.js

@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,80 +33,108 @@
 
 var _ = require('underscore');
 
+var capitalize = require('underscore.string/capitalize');
+var decapitalize = require('underscore.string/decapitalize');
+
 var grpc = require('bindings')('grpc.node');
 
 var common = require('./common');
 
-var Duplex = require('stream').Duplex;
+var stream = require('stream');
+
+var Readable = stream.Readable;
+var Writable = stream.Writable;
+var Duplex = stream.Duplex;
 var util = require('util');
 
-util.inherits(GrpcServerStream, Duplex);
+var EventEmitter = require('events').EventEmitter;
+
+var common = require('./common.js');
 
 /**
- * Class for representing a gRPC server side stream as a Node stream. Extends
- * from stream.Duplex.
- * @constructor
- * @param {grpc.Call} call Call object to proxy
- * @param {function(*):Buffer=} serialize Serialization function for responses
- * @param {function(Buffer):*=} deserialize Deserialization function for
- *     requests
+ * Handle an error on a call by sending it as a status
+ * @param {grpc.Call} call The call to send the error on
+ * @param {Object} error The error object
  */
-function GrpcServerStream(call, serialize, deserialize) {
-  Duplex.call(this, {objectMode: true});
-  if (!serialize) {
-    serialize = function(value) {
-      return value;
-    };
-  }
-  if (!deserialize) {
-    deserialize = function(value) {
-      return value;
-    };
-  }
-  this._call = call;
-  // Indicate that a status has been sent
-  var finished = false;
-  var self = this;
+function handleError(call, error) {
   var status = {
-    'code' : grpc.status.OK,
-    'details' : 'OK'
+    code: grpc.status.INTERNAL,
+    details: 'Unknown Error',
+    metadata: {}
   };
-
-  /**
-   * Serialize a response value to a buffer. Always maps null to null. Otherwise
-   * uses the provided serialize function
-   * @param {*} value The value to serialize
-   * @return {Buffer} The serialized value
-   */
-  this.serialize = function(value) {
-    if (value === null || value === undefined) {
-      return null;
+  if (error.hasOwnProperty('message')) {
+    status.details = error.message;
+  }
+  if (error.hasOwnProperty('code')) {
+    status.code = error.code;
+    if (error.hasOwnProperty('details')) {
+      status.details = error.details;
     }
-    return serialize(value);
-  };
+  }
+  var error_batch = {};
+  error_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = status;
+  call.startBatch(error_batch, function(){});
+}
 
-  /**
-   * Deserialize a request buffer to a value. Always maps null to null.
-   * Otherwise uses the provided deserialize function.
-   * @param {Buffer} buffer The buffer to deserialize
-   * @return {*} The deserialized value
-   */
-  this.deserialize = function(buffer) {
-    if (buffer === null) {
-      return null;
+/**
+ * Wait for the client to close, then emit a cancelled event if the client
+ * cancelled.
+ * @param {grpc.Call} call The call object to wait on
+ * @param {EventEmitter} emitter The event emitter to emit the cancelled event
+ *     on
+ */
+function waitForCancel(call, emitter) {
+  var cancel_batch = {};
+  cancel_batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+  call.startBatch(cancel_batch, function(err, result) {
+    if (err) {
+      emitter.emit('error', err);
     }
-    return deserialize(buffer);
+    if (result.cancelled) {
+      emitter.cancelled = true;
+      emitter.emit('cancelled');
+    }
+  });
+}
+
+/**
+ * Send a response to a unary or client streaming call.
+ * @param {grpc.Call} call The call to respond on
+ * @param {*} value The value to respond with
+ * @param {function(*):Buffer=} serialize Serialization function for the
+ *     response
+ */
+function sendUnaryResponse(call, value, serialize) {
+  var end_batch = {};
+  end_batch[grpc.opType.SEND_MESSAGE] = serialize(value);
+  end_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+    code: grpc.status.OK,
+    details: 'OK',
+    metadata: {}
   };
+  call.startBatch(end_batch, function (){});
+}
 
-  /**
-   * Send the pending status
-   */
+/**
+ * Initialize a writable stream. This is used for both the writable and duplex
+ * stream constructors.
+ * @param {Writable} stream The stream to set up
+ * @param {function(*):Buffer=} Serialization function for responses
+ */
+function setUpWritable(stream, serialize) {
+  stream.finished = false;
+  stream.status = {
+    code : grpc.status.OK,
+    details : 'OK',
+    metadata : {}
+  };
+  stream.serialize = common.wrapIgnoreNull(serialize);
   function sendStatus() {
-    call.startWriteStatus(status.code, status.details, function() {
-    });
-    finished = true;
+    var batch = {};
+    batch[grpc.opType.SEND_STATUS_FROM_SERVER] = stream.status;
+    stream.call.startBatch(batch, function(){});
   }
-  this.on('finish', sendStatus);
+  stream.on('finish', sendStatus);
   /**
    * Set the pending status to a given error status. If the error does not have
    * code or details properties, the code will be set to grpc.status.INTERNAL
@@ -116,14 +144,16 @@ function GrpcServerStream(call, serialize, deserialize) {
   function setStatus(err) {
     var code = grpc.status.INTERNAL;
     var details = 'Unknown Error';
-
+    if (err.hasOwnProperty('message')) {
+      details = err.message;
+    }
     if (err.hasOwnProperty('code')) {
       code = err.code;
       if (err.hasOwnProperty('details')) {
         details = err.details;
       }
     }
-    status = {'code': code, 'details': details};
+    stream.status = {code: code, details: details, metadata: {}};
   }
   /**
    * Terminate the call. This includes indicating that reads are done, draining
@@ -133,69 +163,250 @@ function GrpcServerStream(call, serialize, deserialize) {
    */
   function terminateCall(err) {
     // Drain readable data
-    this.on('data', function() {});
     setStatus(err);
-    this.end();
+    stream.end();
   }
-  this.on('error', terminateCall);
-  // Indicates that a read is pending
-  var reading = false;
+  stream.on('error', terminateCall);
+}
+
+/**
+ * Initialize a readable stream. This is used for both the readable and duplex
+ * stream constructors.
+ * @param {Readable} stream The stream to initialize
+ * @param {function(Buffer):*=} deserialize Deserialization function for
+ *     incoming data.
+ */
+function setUpReadable(stream, deserialize) {
+  stream.deserialize = common.wrapIgnoreNull(deserialize);
+  stream.finished = false;
+  stream.reading = false;
+
+  stream.terminate = function() {
+    stream.finished = true;
+    stream.on('data', function() {});
+  };
+
+  stream.on('cancelled', function() {
+    stream.terminate();
+  });
+}
+
+util.inherits(ServerWritableStream, Writable);
+
+/**
+ * A stream that the server can write to. Used for calls that are streaming from
+ * the server side.
+ * @constructor
+ * @param {grpc.Call} call The call object to send data with
+ * @param {function(*):Buffer=} serialize Serialization function for writes
+ */
+function ServerWritableStream(call, serialize) {
+  Writable.call(this, {objectMode: true});
+  this.call = call;
+
+  this.finished = false;
+  setUpWritable(this, serialize);
+}
+
+/**
+ * Start writing a chunk of data. This is an implementation of a method required
+ * for implementing stream.Writable.
+ * @param {Buffer} chunk The chunk of data to write
+ * @param {string} encoding Ignored
+ * @param {function(Error=)} callback Callback to indicate that the write is
+ *     complete
+ */
+function _write(chunk, encoding, callback) {
+  var batch = {};
+  batch[grpc.opType.SEND_MESSAGE] = this.serialize(chunk);
+  this.call.startBatch(batch, function(err, value) {
+    if (err) {
+      this.emit('error', err);
+      return;
+    }
+    callback();
+  });
+}
+
+ServerWritableStream.prototype._write = _write;
+
+util.inherits(ServerReadableStream, Readable);
+
+/**
+ * A stream that the server can read from. Used for calls that are streaming
+ * from the client side.
+ * @constructor
+ * @param {grpc.Call} call The call object to read data with
+ * @param {function(Buffer):*=} deserialize Deserialization function for reads
+ */
+function ServerReadableStream(call, deserialize) {
+  Readable.call(this, {objectMode: true});
+  this.call = call;
+  setUpReadable(this, deserialize);
+}
+
+/**
+ * Start reading from the gRPC data source. This is an implementation of a
+ * method required for implementing stream.Readable
+ * @param {number} size Ignored
+ */
+function _read(size) {
+  var self = this;
   /**
    * Callback to be called when a READ event is received. Pushes the data onto
    * the read queue and starts reading again if applicable
    * @param {grpc.Event} event READ event object
    */
-  function readCallback(event) {
-    if (finished) {
+  function readCallback(err, event) {
+    if (err) {
+      self.terminate();
+      return;
+    }
+    if (self.finished) {
       self.push(null);
       return;
     }
-    var data = event.data;
+    var data = event.read;
     if (self.push(self.deserialize(data)) && data != null) {
-      self._call.startRead(readCallback);
+      var read_batch = {};
+      read_batch[grpc.opType.RECV_MESSAGE] = true;
+      self.call.startBatch(read_batch, readCallback);
     } else {
-      reading = false;
+      self.reading = false;
     }
   }
-  /**
-   * Start reading if there is not already a pending read. Reading will
-   * continue until self.push returns false (indicating reads should slow
-   * down) or the read data is null (indicating that there is no more data).
-   */
-  this.startReading = function() {
-    if (finished) {
-      self.push(null);
-    } else {
-      if (!reading) {
-        reading = true;
-        self._call.startRead(readCallback);
+  if (self.finished) {
+    self.push(null);
+  } else {
+    if (!self.reading) {
+      self.reading = true;
+      var batch = {};
+      batch[grpc.opType.RECV_MESSAGE] = true;
+      self.call.startBatch(batch, readCallback);
+    }
+  }
+}
+
+ServerReadableStream.prototype._read = _read;
+
+util.inherits(ServerDuplexStream, Duplex);
+
+/**
+ * A stream that the server can read from or write to. Used for calls with
+ * duplex streaming.
+ * @constructor
+ * @param {grpc.Call} call Call object to proxy
+ * @param {function(*):Buffer=} serialize Serialization function for requests
+ * @param {function(Buffer):*=} deserialize Deserialization function for
+ *     responses
+ */
+function ServerDuplexStream(call, serialize, deserialize) {
+  Duplex.call(this, {objectMode: true});
+  this.call = call;
+  setUpWritable(this, serialize);
+  setUpReadable(this, deserialize);
+}
+
+ServerDuplexStream.prototype._read = _read;
+ServerDuplexStream.prototype._write = _write;
+
+/**
+ * Fully handle a unary call
+ * @param {grpc.Call} call The call to handle
+ * @param {Object} handler Request handler object for the method that was called
+ * @param {Object} metadata Metadata from the client
+ */
+function handleUnary(call, handler, metadata) {
+  var emitter = new EventEmitter();
+  emitter.on('error', function(error) {
+    handleError(call, error);
+  });
+  waitForCancel(call, emitter);
+  var batch = {};
+  batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+  batch[grpc.opType.RECV_MESSAGE] = true;
+  call.startBatch(batch, function(err, result) {
+    if (err) {
+      handleError(call, err);
+      return;
+    }
+    emitter.request = handler.deserialize(result.read);
+    if (emitter.cancelled) {
+      return;
+    }
+    handler.func(emitter, function sendUnaryData(err, value) {
+      if (err) {
+        handleError(call, err);
       }
+      sendUnaryResponse(call, value, handler.serialize);
+    });
+  });
+}
+
+/**
+ * Fully handle a server streaming call
+ * @param {grpc.Call} call The call to handle
+ * @param {Object} handler Request handler object for the method that was called
+ * @param {Object} metadata Metadata from the client
+ */
+function handleServerStreaming(call, handler, metadata) {
+  var stream = new ServerWritableStream(call, handler.serialize);
+  waitForCancel(call, stream);
+  var batch = {};
+  batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+  batch[grpc.opType.RECV_MESSAGE] = true;
+  call.startBatch(batch, function(err, result) {
+    if (err) {
+      stream.emit('error', err);
+      return;
     }
-  };
+    stream.request = handler.deserialize(result.read);
+    handler.func(stream);
+  });
 }
 
 /**
- * Start reading from the gRPC data source. This is an implementation of a
- * method required for implementing stream.Readable
- * @param {number} size Ignored
+ * Fully handle a client streaming call
+ * @param {grpc.Call} call The call to handle
+ * @param {Object} handler Request handler object for the method that was called
+ * @param {Object} metadata Metadata from the client
  */
-GrpcServerStream.prototype._read = function(size) {
-  this.startReading();
-};
+function handleClientStreaming(call, handler, metadata) {
+  var stream = new ServerReadableStream(call, handler.deserialize);
+  waitForCancel(call, stream);
+  var metadata_batch = {};
+  metadata_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+  call.startBatch(metadata_batch, function() {});
+  handler.func(stream, function(err, value) {
+    stream.terminate();
+    if (err) {
+      handleError(call, err);
+    }
+    sendUnaryResponse(call, value, handler.serialize);
+  });
+}
 
 /**
- * Start writing a chunk of data. This is an implementation of a method required
- * for implementing stream.Writable.
- * @param {Buffer} chunk The chunk of data to write
- * @param {string} encoding Ignored
- * @param {function(Error=)} callback Callback to indicate that the write is
- *     complete
+ * Fully handle a bidirectional streaming call
+ * @param {grpc.Call} call The call to handle
+ * @param {Object} handler Request handler object for the method that was called
+ * @param {Object} metadata Metadata from the client
  */
-GrpcServerStream.prototype._write = function(chunk, encoding, callback) {
-  var self = this;
-  self._call.startWrite(self.serialize(chunk), function(event) {
-    callback();
-  }, 0);
+function handleBidiStreaming(call, handler, metadata) {
+  var stream = new ServerDuplexStream(call, handler.serialize,
+                                      handler.deserialize);
+  waitForCancel(call, stream);
+  var metadata_batch = {};
+  metadata_batch[grpc.opType.SEND_INITIAL_METADATA] = metadata;
+  call.startBatch(metadata_batch, function() {});
+  handler.func(stream);
+}
+
+var streamHandlers = {
+  unary: handleUnary,
+  server_stream: handleServerStreaming,
+  client_stream: handleClientStreaming,
+  bidi: handleBidiStreaming
 };
 
 /**
@@ -218,7 +429,7 @@ function Server(getMetadata, options) {
    * Start the server and begin handling requests
    * @this Server
    */
-  this.start = function() {
+  this.listen = function() {
     console.log('Server starting');
     _.each(handlers, function(handler, handler_name) {
       console.log('Serving', handler_name);
@@ -233,48 +444,39 @@ function Server(getMetadata, options) {
      * wait for the next request
      * @param {grpc.Event} event The event to handle with tag SERVER_RPC_NEW
      */
-    function handleNewCall(event) {
-      var call = event.call;
-      var data = event.data;
-      if (data === null) {
+    function handleNewCall(err, event) {
+      if (err) {
+        return;
+      }
+      var details = event['new call'];
+      var call = details.call;
+      var method = details.method;
+      var metadata = details.metadata;
+      if (method === null) {
         return;
       }
       server.requestCall(handleNewCall);
       var handler = undefined;
-      var deadline = data.absolute_deadline;
-      var cancelled = false;
-      call.serverAccept(function(event) {
-        if (event.data.code === grpc.status.CANCELLED) {
-          cancelled = true;
-          if (stream) {
-            stream.emit('cancelled');
-          }
-        }
-      }, 0);
-      if (handlers.hasOwnProperty(data.method)) {
-        handler = handlers[data.method];
+      var deadline = details.deadline;
+      if (handlers.hasOwnProperty(method)) {
+        handler = handlers[method];
       } else {
-        call.serverEndInitialMetadata(0);
-        call.startWriteStatus(
-            grpc.status.UNIMPLEMENTED,
-            "This method is not available on this server.",
-            function() {});
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+        batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+          code: grpc.status.UNIMPLEMENTED,
+          details: "This method is not available on this server.",
+          metadata: {}
+        };
+        batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+        call.startBatch(batch, function() {});
         return;
       }
+      var response_metadata = {};
       if (getMetadata) {
-        call.addMetadata(getMetadata(data.method, data.metadata));
-      }
-      call.serverEndInitialMetadata(0);
-      var stream = new GrpcServerStream(call, handler.serialize,
-                                        handler.deserialize);
-      Object.defineProperty(stream, 'cancelled', {
-        get: function() { return cancelled;}
-      });
-      try {
-        handler.func(stream, data.metadata);
-      } catch (e) {
-        stream.emit('error', e);
+        response_metadata = getMetadata(method, metadata);
       }
+      streamHandlers[handler.type](call, handler, response_metadata);
     }
     server.requestCall(handleNewCall);
   };
@@ -294,17 +496,20 @@ function Server(getMetadata, options) {
  *     returns a stream of response values
  * @param {function(*):Buffer} serialize Serialization function for responses
  * @param {function(Buffer):*} deserialize Deserialization function for requests
+ * @param {string} type The streaming type of method that this handles
  * @return {boolean} True if the handler was set. False if a handler was already
  *     set for that name.
  */
-Server.prototype.register = function(name, handler, serialize, deserialize) {
+Server.prototype.register = function(name, handler, serialize, deserialize,
+                                     type) {
   if (this.handlers.hasOwnProperty(name)) {
     return false;
   }
   this.handlers[name] = {
     func: handler,
     serialize: serialize,
-    deserialize: deserialize
+    deserialize: deserialize,
+    type: type
   };
   return true;
 };
@@ -324,6 +529,110 @@ Server.prototype.bind = function(port, secure) {
 };
 
 /**
- * See documentation for Server
+ * Creates a constructor for servers with a service defined by the methods
+ * object. The methods object has string keys and values of this form:
+ * {serialize: function, deserialize: function, client_stream: bool,
+ *  server_stream: bool}
+ * @param {Object} methods Method descriptor for each method the server should
+ *     expose
+ * @param {string} prefix The prefex to prepend to each method name
+ * @return {function(Object, Object)} New server constructor
+ */
+function makeServerConstructor(services) {
+  var qual_names = [];
+  _.each(services, function(service) {
+    _.each(service.children, function(method) {
+      var name = common.fullyQualifiedName(method);
+      if (_.indexOf(qual_names, name) !== -1) {
+        throw new Error('Method ' + name + ' exposed by more than one service');
+      }
+      qual_names.push(name);
+    });
+  });
+  /**
+   * Create a server with the given handlers for all of the methods.
+   * @constructor
+   * @param {Object} service_handlers Map from service names to map from method
+   *     names to handlers
+   * @param {function(string, Object<string, Array<Buffer>>):
+             Object<string, Array<Buffer|string>>=} getMetadata Callback that
+   *     gets metatada for a given method
+   * @param {Object=} options Options to pass to the underlying server
+   */
+  function SurfaceServer(service_handlers, getMetadata, options) {
+    var server = new Server(getMetadata, options);
+    this.inner_server = server;
+    _.each(services, function(service) {
+      var service_name = common.fullyQualifiedName(service);
+      if (service_handlers[service_name] === undefined) {
+        throw new Error('Handlers for service ' +
+            service_name + ' not provided.');
+      }
+      var prefix = '/' + common.fullyQualifiedName(service) + '/';
+      _.each(service.children, function(method) {
+        var method_type;
+        if (method.requestStream) {
+          if (method.responseStream) {
+            method_type = 'bidi';
+          } else {
+            method_type = 'client_stream';
+          }
+        } else {
+          if (method.responseStream) {
+            method_type = 'server_stream';
+          } else {
+            method_type = 'unary';
+          }
+        }
+        if (service_handlers[service_name][decapitalize(method.name)] ===
+            undefined) {
+          throw new Error('Method handler for ' +
+              common.fullyQualifiedName(method) + ' not provided.');
+        }
+        var serialize = common.serializeCls(
+            method.resolvedResponseType.build());
+        var deserialize = common.deserializeCls(
+            method.resolvedRequestType.build());
+        server.register(
+            prefix + capitalize(method.name),
+            service_handlers[service_name][decapitalize(method.name)],
+            serialize, deserialize, method_type);
+      });
+    }, this);
+  }
+
+  /**
+   * Binds the server to the given port, with SSL enabled if secure is specified
+   * @param {string} port The port that the server should bind on, in the format
+   *     "address:port"
+   * @param {boolean=} secure Whether the server should open a secure port
+   * @return {SurfaceServer} this
+   */
+  SurfaceServer.prototype.bind = function(port, secure) {
+    return this.inner_server.bind(port, secure);
+  };
+
+  /**
+   * Starts the server listening on any bound ports
+   * @return {SurfaceServer} this
+   */
+  SurfaceServer.prototype.listen = function() {
+    this.inner_server.listen();
+    return this;
+  };
+
+  /**
+   * Shuts the server down; tells it to stop listening for new requests and to
+   * kill old requests.
+   */
+  SurfaceServer.prototype.shutdown = function() {
+    this.inner_server.shutdown();
+  };
+
+  return SurfaceServer;
+}
+
+/**
+ * See documentation for makeServerConstructor
  */
-module.exports = Server;
+exports.makeServerConstructor = makeServerConstructor;

src/node/src/surface_client.js

@@ -1,357 +0,0 @@
-/*
- *
- * Copyright 2014, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-var _ = require('underscore');
-
-var capitalize = require('underscore.string/capitalize');
-var decapitalize = require('underscore.string/decapitalize');
-
-var client = require('./client.js');
-
-var common = require('./common.js');
-
-var EventEmitter = require('events').EventEmitter;
-
-var stream = require('stream');
-
-var Readable = stream.Readable;
-var Writable = stream.Writable;
-var Duplex = stream.Duplex;
-var util = require('util');
-
-
-function forwardEvent(fromEmitter, toEmitter, event) {
-  fromEmitter.on(event, function forward() {
-    _.partial(toEmitter.emit, event).apply(toEmitter, arguments);
-  });
-}
-
-util.inherits(ClientReadableObjectStream, Readable);
-
-/**
- * Class for representing a gRPC server streaming call as a Node stream on the
- * client side. Extends from stream.Readable.
- * @constructor
- * @param {stream} stream Underlying binary Duplex stream for the call
- */
-function ClientReadableObjectStream(stream) {
-  var options = {objectMode: true};
-  Readable.call(this, options);
-  this._stream = stream;
-  var self = this;
-  forwardEvent(stream, this, 'status');
-  forwardEvent(stream, this, 'metadata');
-  this._stream.on('data', function forwardData(chunk) {
-    if (!self.push(chunk)) {
-      self._stream.pause();
-    }
-  });
-  this._stream.pause();
-}
-
-/**
- * _read implementation for both types of streams that allow reading.
- * @this {ClientReadableObjectStream}
- * @param {number} size Ignored
- */
-function _read(size) {
-  this._stream.resume();
-}
-
-/**
- * See docs for _read
- */
-ClientReadableObjectStream.prototype._read = _read;
-
-util.inherits(ClientWritableObjectStream, Writable);
-
-/**
- * Class for representing a gRPC client streaming call as a Node stream on the
- * client side. Extends from stream.Writable.
- * @constructor
- * @param {stream} stream Underlying binary Duplex stream for the call
- */
-function ClientWritableObjectStream(stream) {
-  var options = {objectMode: true};
-  Writable.call(this, options);
-  this._stream = stream;
-  forwardEvent(stream, this, 'status');
-  forwardEvent(stream, this, 'metadata');
-  this.on('finish', function() {
-    this._stream.end();
-  });
-}
-
-/**
- * _write implementation for both types of streams that allow writing
- * @this {ClientWritableObjectStream}
- * @param {*} chunk The value to write to the stream
- * @param {string} encoding Ignored
- * @param {function(Error)} callback Callback to call when finished writing
- */
-function _write(chunk, encoding, callback) {
-  this._stream.write(chunk, encoding, callback);
-}
-
-/**
- * See docs for _write
- */
-ClientWritableObjectStream.prototype._write = _write;
-
-/**
- * Cancel the underlying call
- */
-function cancel() {
-  this._stream.cancel();
-}
-
-ClientReadableObjectStream.prototype.cancel = cancel;
-ClientWritableObjectStream.prototype.cancel = cancel;
-
-/**
- * Get a function that can make unary requests to the specified method.
- * @param {string} method The name of the method to request
- * @param {function(*):Buffer} serialize The serialization function for inputs
- * @param {function(Buffer)} deserialize The deserialization function for
- *     outputs
- * @return {Function} makeUnaryRequest
- */
-function makeUnaryRequestFunction(method, serialize, deserialize) {
-  /**
-   * Make a unary request with this method on the given channel with the given
-   * argument, callback, etc.
-   * @this {SurfaceClient} Client object. Must have a channel member.
-   * @param {*} argument The argument to the call. Should be serializable with
-   *     serialize
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
-   * @param {array=} metadata Array of metadata key/value pairs to add to the
-   *     call
-   * @param {(number|Date)=} deadline The deadline for processing this request.
-   *     Defaults to infinite future
-   * @return {EventEmitter} An event emitter for stream related events
-   */
-  function makeUnaryRequest(argument, callback, metadata, deadline) {
-    var stream = client.makeRequest(this.channel, method, serialize,
-                                    deserialize, metadata, deadline);
-    var emitter = new EventEmitter();
-    emitter.cancel = function cancel() {
-      stream.cancel();
-    };
-    forwardEvent(stream, emitter, 'status');
-    forwardEvent(stream, emitter, 'metadata');
-    stream.write(argument);
-    stream.end();
-    stream.on('data', function forwardData(chunk) {
-      try {
-        callback(null, chunk);
-      } catch (e) {
-        callback(e);
-      }
-    });
-    stream.on('status', function forwardStatus(status) {
-      if (status.code !== client.status.OK) {
-        callback(status);
-      }
-    });
-    return emitter;
-  }
-  return makeUnaryRequest;
-}
-
-/**
- * Get a function that can make client stream requests to the specified method.
- * @param {string} method The name of the method to request
- * @param {function(*):Buffer} serialize The serialization function for inputs
- * @param {function(Buffer)} deserialize The deserialization function for
- *     outputs
- * @return {Function} makeClientStreamRequest
- */
-function makeClientStreamRequestFunction(method, serialize, deserialize) {
-  /**
-   * Make a client stream request with this method on the given channel with the
-   * given callback, etc.
-   * @this {SurfaceClient} Client object. Must have a channel member.
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
-   * @param {array=} metadata Array of metadata key/value pairs to add to the
-   *     call
-   * @param {(number|Date)=} deadline The deadline for processing this request.
-   *     Defaults to infinite future
-   * @return {EventEmitter} An event emitter for stream related events
-   */
-  function makeClientStreamRequest(callback, metadata, deadline) {
-    var stream = client.makeRequest(this.channel, method, serialize,
-                                    deserialize, metadata, deadline);
-    var obj_stream = new ClientWritableObjectStream(stream);
-    stream.on('data', function forwardData(chunk) {
-      try {
-        callback(null, chunk);
-      } catch (e) {
-        callback(e);
-      }
-    });
-    stream.on('status', function forwardStatus(status) {
-      if (status.code !== client.status.OK) {
-        callback(status);
-      }
-    });
-    return obj_stream;
-  }
-  return makeClientStreamRequest;
-}
-
-/**
- * Get a function that can make server stream requests to the specified method.
- * @param {string} method The name of the method to request
- * @param {function(*):Buffer} serialize The serialization function for inputs
- * @param {function(Buffer)} deserialize The deserialization function for
- *     outputs
- * @return {Function} makeServerStreamRequest
- */
-function makeServerStreamRequestFunction(method, serialize, deserialize) {
-  /**
-   * Make a server stream request with this method on the given channel with the
-   * given argument, etc.
-   * @this {SurfaceClient} Client object. Must have a channel member.
-   * @param {*} argument The argument to the call. Should be serializable with
-   *     serialize
-   * @param {array=} metadata Array of metadata key/value pairs to add to the
-   *     call
-   * @param {(number|Date)=} deadline The deadline for processing this request.
-   *     Defaults to infinite future
-   * @return {EventEmitter} An event emitter for stream related events
-   */
-  function makeServerStreamRequest(argument, metadata, deadline) {
-    var stream = client.makeRequest(this.channel, method, serialize,
-                                    deserialize, metadata, deadline);
-    var obj_stream = new ClientReadableObjectStream(stream);
-    stream.write(argument);
-    stream.end();
-    return obj_stream;
-  }
-  return makeServerStreamRequest;
-}
-
-/**
- * Get a function that can make bidirectional stream requests to the specified
- * method.
- * @param {string} method The name of the method to request
- * @param {function(*):Buffer} serialize The serialization function for inputs
- * @param {function(Buffer)} deserialize The deserialization function for
- *     outputs
- * @return {Function} makeBidiStreamRequest
- */
-function makeBidiStreamRequestFunction(method, serialize, deserialize) {
-  /**
-   * Make a bidirectional stream request with this method on the given channel.
-   * @this {SurfaceClient} Client object. Must have a channel member.
-   * @param {array=} metadata Array of metadata key/value pairs to add to the
-   *     call
-   * @param {(number|Date)=} deadline The deadline for processing this request.
-   *     Defaults to infinite future
-   * @return {EventEmitter} An event emitter for stream related events
-   */
-  function makeBidiStreamRequest(metadata, deadline) {
-    return client.makeRequest(this.channel, method, serialize,
-                              deserialize, metadata, deadline);
-  }
-  return makeBidiStreamRequest;
-}
-
-/**
- * Map with short names for each of the requester maker functions. Used in
- * makeClientConstructor
- */
-var requester_makers = {
-  unary: makeUnaryRequestFunction,
-  server_stream: makeServerStreamRequestFunction,
-  client_stream: makeClientStreamRequestFunction,
-  bidi: makeBidiStreamRequestFunction
-}
-
-/**
- * Creates a constructor for clients for the given service
- * @param {ProtoBuf.Reflect.Service} service The service to generate a client
- *     for
- * @return {function(string, Object)} New client constructor
- */
-function makeClientConstructor(service) {
-  var prefix = '/' + common.fullyQualifiedName(service) + '/';
-  /**
-   * Create a client with the given methods
-   * @constructor
-   * @param {string} address The address of the server to connect to
-   * @param {Object} options Options to pass to the underlying channel
-   */
-  function SurfaceClient(address, options) {
-    this.channel = new client.Channel(address, options);
-  }
-
-  _.each(service.children, function(method) {
-    var method_type;
-    if (method.requestStream) {
-      if (method.responseStream) {
-        method_type = 'bidi';
-      } else {
-        method_type = 'client_stream';
-      }
-    } else {
-      if (method.responseStream) {
-        method_type = 'server_stream';
-      } else {
-        method_type = 'unary';
-      }
-    }
-    SurfaceClient.prototype[decapitalize(method.name)] =
-        requester_makers[method_type](
-            prefix + capitalize(method.name),
-            common.serializeCls(method.resolvedRequestType.build()),
-            common.deserializeCls(method.resolvedResponseType.build()));
-  });
-
-  SurfaceClient.service = service;
-
-  return SurfaceClient;
-}
-
-exports.makeClientConstructor = makeClientConstructor;
-
-/**
- * See docs for client.status
- */
-exports.status = client.status;
-/**
- * See docs for client.callError
- */
-exports.callError = client.callError;

src/node/src/surface_server.js

@@ -1,340 +0,0 @@
-/*
- *
- * Copyright 2014, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-var _ = require('underscore');
-
-var capitalize = require('underscore.string/capitalize');
-var decapitalize = require('underscore.string/decapitalize');
-
-var Server = require('./server.js');
-
-var stream = require('stream');
-
-var Readable = stream.Readable;
-var Writable = stream.Writable;
-var Duplex = stream.Duplex;
-var util = require('util');
-
-var common = require('./common.js');
-
-util.inherits(ServerReadableObjectStream, Readable);
-
-/**
- * Class for representing a gRPC client streaming call as a Node stream on the
- * server side. Extends from stream.Readable.
- * @constructor
- * @param {stream} stream Underlying binary Duplex stream for the call
- */
-function ServerReadableObjectStream(stream) {
-  var options = {objectMode: true};
-  Readable.call(this, options);
-  this._stream = stream;
-  Object.defineProperty(this, 'cancelled', {
-    get: function() { return stream.cancelled; }
-  });
-  var self = this;
-  this._stream.on('cancelled', function() {
-    self.emit('cancelled');
-  });
-  this._stream.on('data', function forwardData(chunk) {
-    if (!self.push(chunk)) {
-      self._stream.pause();
-    }
-  });
-  this._stream.on('end', function forwardEnd() {
-    self.push(null);
-  });
-  this._stream.pause();
-}
-
-/**
- * _read implementation for both types of streams that allow reading.
- * @this {ServerReadableObjectStream|ServerBidiObjectStream}
- * @param {number} size Ignored
- */
-function _read(size) {
-  this._stream.resume();
-}
-
-/**
- * See docs for _read
- */
-ServerReadableObjectStream.prototype._read = _read;
-
-util.inherits(ServerWritableObjectStream, Writable);
-
-/**
- * Class for representing a gRPC server streaming call as a Node stream on the
- * server side. Extends from stream.Writable.
- * @constructor
- * @param {stream} stream Underlying binary Duplex stream for the call
- */
-function ServerWritableObjectStream(stream) {
-  var options = {objectMode: true};
-  Writable.call(this, options);
-  this._stream = stream;
-  this._stream.on('cancelled', function() {
-    self.emit('cancelled');
-  });
-  this.on('finish', function() {
-    this._stream.end();
-  });
-}
-
-/**
- * _write implementation for both types of streams that allow writing
- * @this {ServerWritableObjectStream}
- * @param {*} chunk The value to write to the stream
- * @param {string} encoding Ignored
- * @param {function(Error)} callback Callback to call when finished writing
- */
-function _write(chunk, encoding, callback) {
-  this._stream.write(chunk, encoding, callback);
-}
-
-/**
- * See docs for _write
- */
-ServerWritableObjectStream.prototype._write = _write;
-
-/**
- * Creates a binary stream handler function from a unary handler function
- * @param {function(Object, function(Error, *), metadata=)} handler Unary call
- *     handler
- * @return {function(stream, metadata=)} Binary stream handler
- */
-function makeUnaryHandler(handler) {
-  /**
-   * Handles a stream by reading a single data value, passing it to the handler,
-   * and writing the response back to the stream.
-   * @param {stream} stream Binary data stream
-   * @param {metadata=} metadata Incoming metadata array
-   */
-  return function handleUnaryCall(stream, metadata) {
-    stream.on('data', function handleUnaryData(value) {
-      var call = {request: value};
-      Object.defineProperty(call, 'cancelled', {
-        get: function() { return stream.cancelled;}
-      });
-      stream.on('cancelled', function() {
-        call.emit('cancelled');
-      });
-      handler(call, function sendUnaryData(err, value) {
-        if (err) {
-          stream.emit('error', err);
-        } else {
-          stream.write(value);
-          stream.end();
-        }
-      }, metadata);
-    });
-  };
-}
-
-/**
- * Creates a binary stream handler function from a client stream handler
- * function
- * @param {function(Readable, function(Error, *), metadata=)} handler Client
- *     stream call handler
- * @return {function(stream, metadata=)} Binary stream handler
- */
-function makeClientStreamHandler(handler) {
-  /**
-   * Handles a stream by passing a deserializing stream to the handler and
-   * writing the response back to the stream.
-   * @param {stream} stream Binary data stream
-   * @param {metadata=} metadata Incoming metadata array
-   */
-  return function handleClientStreamCall(stream, metadata) {
-    var object_stream = new ServerReadableObjectStream(stream);
-    handler(object_stream, function sendClientStreamData(err, value) {
-        if (err) {
-          stream.emit('error', err);
-        } else {
-          stream.write(value);
-          stream.end();
-        }
-    }, metadata);
-  };
-}
-
-/**
- * Creates a binary stream handler function from a server stream handler
- * function
- * @param {function(Writable, metadata=)} handler Server stream call handler
- * @return {function(stream, metadata=)} Binary stream handler
- */
-function makeServerStreamHandler(handler) {
-  /**
-   * Handles a stream by attaching it to a serializing stream, and passing it to
-   * the handler.
-   * @param {stream} stream Binary data stream
-   * @param {metadata=} metadata Incoming metadata array
-   */
-  return function handleServerStreamCall(stream, metadata) {
-    stream.on('data', function handleClientData(value) {
-      var object_stream = new ServerWritableObjectStream(stream);
-      object_stream.request = value;
-      handler(object_stream, metadata);
-    });
-  };
-}
-
-/**
- * Creates a binary stream handler function from a bidi stream handler function
- * @param {function(Duplex, metadata=)} handler Unary call handler
- * @return {function(stream, metadata=)} Binary stream handler
- */
-function makeBidiStreamHandler(handler) {
-  return handler;
-}
-
-/**
- * Map with short names for each of the handler maker functions. Used in
- * makeServerConstructor
- */
-var handler_makers = {
-  unary: makeUnaryHandler,
-  server_stream: makeServerStreamHandler,
-  client_stream: makeClientStreamHandler,
-  bidi: makeBidiStreamHandler
-};
-
-/**
- * Creates a constructor for servers with a service defined by the methods
- * object. The methods object has string keys and values of this form:
- * {serialize: function, deserialize: function, client_stream: bool,
- *  server_stream: bool}
- * @param {Object} methods Method descriptor for each method the server should
- *     expose
- * @param {string} prefix The prefex to prepend to each method name
- * @return {function(Object, Object)} New server constructor
- */
-function makeServerConstructor(services) {
-  var qual_names = [];
-  _.each(services, function(service) {
-    _.each(service.children, function(method) {
-      var name = common.fullyQualifiedName(method);
-      if (_.indexOf(qual_names, name) !== -1) {
-        throw new Error('Method ' + name + ' exposed by more than one service');
-      }
-      qual_names.push(name);
-    });
-  });
-  /**
-   * Create a server with the given handlers for all of the methods.
-   * @constructor
-   * @param {Object} service_handlers Map from service names to map from method
-   *     names to handlers
-   * @param {function(string, Object<string, Array<Buffer>>):
-             Object<string, Array<Buffer|string>>=} getMetadata Callback that
-   *     gets metatada for a given method
-   * @param {Object=} options Options to pass to the underlying server
-   */
-  function SurfaceServer(service_handlers, getMetadata, options) {
-    var server = new Server(getMetadata, options);
-    this.inner_server = server;
-    _.each(services, function(service) {
-      var service_name = common.fullyQualifiedName(service);
-      if (service_handlers[service_name] === undefined) {
-        throw new Error('Handlers for service ' +
-            service_name + ' not provided.');
-      }
-      var prefix = '/' + common.fullyQualifiedName(service) + '/';
-      _.each(service.children, function(method) {
-        var method_type;
-        if (method.requestStream) {
-          if (method.responseStream) {
-            method_type = 'bidi';
-          } else {
-            method_type = 'client_stream';
-          }
-        } else {
-          if (method.responseStream) {
-            method_type = 'server_stream';
-          } else {
-            method_type = 'unary';
-          }
-        }
-        if (service_handlers[service_name][decapitalize(method.name)] ===
-            undefined) {
-          throw new Error('Method handler for ' +
-              common.fullyQualifiedName(method) + ' not provided.');
-        }
-        var binary_handler = handler_makers[method_type](
-            service_handlers[service_name][decapitalize(method.name)]);
-        var serialize = common.serializeCls(
-            method.resolvedResponseType.build());
-        var deserialize = common.deserializeCls(
-            method.resolvedRequestType.build());
-        server.register(prefix + capitalize(method.name), binary_handler,
-                        serialize, deserialize);
-      });
-    }, this);
-  }
-
-  /**
-   * Binds the server to the given port, with SSL enabled if secure is specified
-   * @param {string} port The port that the server should bind on, in the format
-   *     "address:port"
-   * @param {boolean=} secure Whether the server should open a secure port
-   * @return {SurfaceServer} this
-   */
-  SurfaceServer.prototype.bind = function(port, secure) {
-    return this.inner_server.bind(port, secure);
-  };
-
-  /**
-   * Starts the server listening on any bound ports
-   * @return {SurfaceServer} this
-   */
-  SurfaceServer.prototype.listen = function() {
-    this.inner_server.start();
-    return this;
-  };
-
-  /**
-   * Shuts the server down; tells it to stop listening for new requests and to
-   * kill old requests.
-   */
-  SurfaceServer.prototype.shutdown = function() {
-    this.inner_server.shutdown();
-  };
-
-  return SurfaceServer;
-}
-
-/**
- * See documentation for makeServerConstructor
- */
-exports.makeServerConstructor = makeServerConstructor;

src/node/test/call_test.js

@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -98,100 +98,80 @@ describe('call', function() {
       }, TypeError);
     });
   });
-  describe('addMetadata', function() {
-    it('should succeed with a map from strings to string arrays', function() {
+  describe('startBatch', function() {
+    it('should fail without an object and a function', function() {
       var call = new grpc.Call(channel, 'method', getDeadline(1));
-      assert.doesNotThrow(function() {
-        call.addMetadata({'key': ['value']});
+      assert.throws(function() {
+        call.startBatch();
       });
-      assert.doesNotThrow(function() {
-        call.addMetadata({'key1': ['value1'], 'key2': ['value2']});
+      assert.throws(function() {
+        call.startBatch({});
+      });
+      assert.throws(function() {
+        call.startBatch(null, function(){});
       });
     });
-    it('should succeed with a map from strings to buffer arrays', function() {
+    it('should succeed with an empty object', function(done) {
       var call = new grpc.Call(channel, 'method', getDeadline(1));
       assert.doesNotThrow(function() {
-        call.addMetadata({'key': [new Buffer('value')]});
-      });
-      assert.doesNotThrow(function() {
-        call.addMetadata({'key1': [new Buffer('value1')],
-                          'key2': [new Buffer('value2')]});
+        call.startBatch({}, function(err) {
+          assert.ifError(err);
+          done();
+        });
       });
     });
-    it('should fail with other parameter types', function() {
+  });
+  describe('startBatch with metadata', function() {
+    it('should succeed with a map of strings to string arrays', function(done) {
       var call = new grpc.Call(channel, 'method', getDeadline(1));
-      assert.throws(function() {
-        call.addMetadata();
+      assert.doesNotThrow(function() {
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = {'key1': ['value1'],
+                                                    'key2': ['value2']};
+        call.startBatch(batch, function(err, resp) {
+          assert.ifError(err);
+          assert.deepEqual(resp, {'send metadata': true});
+          done();
+        });
       });
-      assert.throws(function() {
-        call.addMetadata(null);
-      }, TypeError);
-      assert.throws(function() {
-        call.addMetadata('value');
-      }, TypeError);
-      assert.throws(function() {
-        call.addMetadata(5);
-      }, TypeError);
     });
-    it.skip('should fail if invoke was already called', function(done) {
+    it('should succeed with a map of strings to buffer arrays', function(done) {
       var call = new grpc.Call(channel, 'method', getDeadline(1));
-      call.invoke(function() {},
-                  function() {done();},
-                  0);
-      assert.throws(function() {
-        call.addMetadata({'key': ['value']});
+      assert.doesNotThrow(function() {
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = {
+          'key1': [new Buffer('value1')],
+          'key2': [new Buffer('value2')]
+        };
+        call.startBatch(batch, function(err, resp) {
+          assert.ifError(err);
+          assert.deepEqual(resp, {'send metadata': true});
+          done();
+        });
       });
-      // Cancel to speed up the test
-      call.cancel();
     });
-  });
-  describe('invoke', function() {
-    it('should fail with fewer than 3 arguments', function() {
+    it('should fail with other parameter types', function() {
       var call = new grpc.Call(channel, 'method', getDeadline(1));
       assert.throws(function() {
-        call.invoke();
-      }, TypeError);
-      assert.throws(function() {
-        call.invoke(function() {});
-      }, TypeError);
-      assert.throws(function() {
-        call.invoke(function() {},
-                    function() {});
-      }, TypeError);
-    });
-    it('should work with 2 args and an int', function(done) {
-      assert.doesNotThrow(function() {
-        var call = new grpc.Call(channel, 'method', getDeadline(1));
-        call.invoke(function() {},
-                    function() {done();},
-                    0);
-        // Cancel to speed up the test
-        call.cancel();
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = undefined;
+        call.startBatch(batch, function(){});
       });
-    });
-    it('should reject incorrectly typed arguments', function() {
-      var call = new grpc.Call(channel, 'method', getDeadline(1));
       assert.throws(function() {
-        call.invoke(0, 0, 0);
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = null;
+        call.startBatch(batch, function(){});
       }, TypeError);
       assert.throws(function() {
-        call.invoke(function() {},
-                    function() {}, 'test');
-      });
-    });
-  });
-  describe('serverAccept', function() {
-    it('should fail with fewer than 1 argument1', function() {
-      var call = new grpc.Call(channel, 'method', getDeadline(1));
-      assert.throws(function() {
-        call.serverAccept();
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = 'value';
+        call.startBatch(batch, function(){});
       }, TypeError);
-    });
-    it.skip('should return an error when called on a client Call', function() {
-      var call = new grpc.Call(channel, 'method', getDeadline(1));
       assert.throws(function() {
-        call.serverAccept(function() {});
-      });
+        var batch = {};
+        batch[grpc.opType.SEND_INITIAL_METADATA] = 5;
+        call.startBatch(batch, function(){});
+      }, TypeError);
     });
   });
   describe('cancel', function() {