Merge pull request #6610 from xyzzyz/external_fd_fresh

Add support for communication using existing FD (for client and server)

BUILD

@@ -462,7 +462,9 @@ cc_library(
     "src/core/ext/client_config/subchannel_index.c",
     "src/core/ext/client_config/uri_parser.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c",
     "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
     "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
     "src/core/ext/lb_policy/pick_first/pick_first.c",
@@ -488,6 +490,7 @@ cc_library(
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
+    "include/grpc/grpc_posix.h",
     "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/byte_buffer_reader.h",
@@ -833,6 +836,7 @@ cc_library(
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
+    "include/grpc/grpc_posix.h",
     "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/byte_buffer_reader.h",
@@ -1083,6 +1087,7 @@ cc_library(
     "src/core/lib/transport/transport.c",
     "src/core/lib/transport/transport_op_string.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
     "src/core/ext/transport/chttp2/transport/bin_encoder.c",
     "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
     "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
@@ -1106,6 +1111,7 @@ cc_library(
     "src/core/ext/transport/chttp2/transport/writing.c",
     "src/core/ext/transport/chttp2/alpn/alpn.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c",
     "src/core/ext/client_config/channel_connectivity.c",
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
@@ -1150,6 +1156,7 @@ cc_library(
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
+    "include/grpc/grpc_posix.h",
     "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/byte_buffer_reader.h",
@@ -1229,6 +1236,7 @@ cc_library(
     "src/cpp/client/client_context.cc",
     "src/cpp/client/create_channel.cc",
     "src/cpp/client/create_channel_internal.cc",
+    "src/cpp/client/create_channel_posix.cc",
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
@@ -1244,6 +1252,7 @@ cc_library(
     "src/cpp/server/server_builder.cc",
     "src/cpp/server/server_context.cc",
     "src/cpp/server/server_credentials.cc",
+    "src/cpp/server/server_posix.cc",
     "src/cpp/util/byte_buffer.cc",
     "src/cpp/util/slice.cc",
     "src/cpp/util/status.cc",
@@ -1257,6 +1266,7 @@ cc_library(
     "include/grpc++/client_context.h",
     "include/grpc++/completion_queue.h",
     "include/grpc++/create_channel.h",
+    "include/grpc++/create_channel_posix.h",
     "include/grpc++/generic/async_generic_service.h",
     "include/grpc++/generic/generic_stub.h",
     "include/grpc++/grpc++.h",
@@ -1285,6 +1295,7 @@ cc_library(
     "include/grpc++/server.h",
     "include/grpc++/server_builder.h",
     "include/grpc++/server_context.h",
+    "include/grpc++/server_posix.h",
     "include/grpc++/support/async_stream.h",
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
@@ -1373,6 +1384,7 @@ cc_library(
     "src/cpp/client/client_context.cc",
     "src/cpp/client/create_channel.cc",
     "src/cpp/client/create_channel_internal.cc",
+    "src/cpp/client/create_channel_posix.cc",
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
@@ -1388,6 +1400,7 @@ cc_library(
     "src/cpp/server/server_builder.cc",
     "src/cpp/server/server_context.cc",
     "src/cpp/server/server_credentials.cc",
+    "src/cpp/server/server_posix.cc",
     "src/cpp/util/byte_buffer.cc",
     "src/cpp/util/slice.cc",
     "src/cpp/util/status.cc",
@@ -1401,6 +1414,7 @@ cc_library(
     "include/grpc++/client_context.h",
     "include/grpc++/completion_queue.h",
     "include/grpc++/create_channel.h",
+    "include/grpc++/create_channel_posix.h",
     "include/grpc++/generic/async_generic_service.h",
     "include/grpc++/generic/generic_stub.h",
     "include/grpc++/grpc++.h",
@@ -1429,6 +1443,7 @@ cc_library(
     "include/grpc++/server.h",
     "include/grpc++/server_builder.h",
     "include/grpc++/server_context.h",
+    "include/grpc++/server_posix.h",
     "include/grpc++/support/async_stream.h",
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
@@ -1840,7 +1855,9 @@ objc_library(
     "src/core/ext/client_config/subchannel_index.c",
     "src/core/ext/client_config/uri_parser.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c",
     "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
     "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
     "src/core/ext/lb_policy/pick_first/pick_first.c",
@@ -1866,6 +1883,7 @@ objc_library(
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
+    "include/grpc/grpc_posix.h",
     "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/byte_buffer_reader.h",

Makefile

@@ -1103,6 +1103,7 @@ bad_ssl_cert_test: $(BINDIR)/$(CONFIG)/bad_ssl_cert_test
 h2_census_test: $(BINDIR)/$(CONFIG)/h2_census_test
 h2_compress_test: $(BINDIR)/$(CONFIG)/h2_compress_test
 h2_fakesec_test: $(BINDIR)/$(CONFIG)/h2_fakesec_test
+h2_fd_test: $(BINDIR)/$(CONFIG)/h2_fd_test
 h2_full_test: $(BINDIR)/$(CONFIG)/h2_full_test
 h2_full+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_test
 h2_full+trace_test: $(BINDIR)/$(CONFIG)/h2_full+trace_test
@@ -1118,6 +1119,7 @@ h2_ssl_proxy_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
 h2_uds_test: $(BINDIR)/$(CONFIG)/h2_uds_test
 h2_census_nosec_test: $(BINDIR)/$(CONFIG)/h2_census_nosec_test
 h2_compress_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_nosec_test
+h2_fd_nosec_test: $(BINDIR)/$(CONFIG)/h2_fd_nosec_test
 h2_full_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_nosec_test
 h2_full+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test
 h2_full+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
@@ -1335,6 +1337,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_census_test \
   $(BINDIR)/$(CONFIG)/h2_compress_test \
   $(BINDIR)/$(CONFIG)/h2_fakesec_test \
+  $(BINDIR)/$(CONFIG)/h2_fd_test \
   $(BINDIR)/$(CONFIG)/h2_full_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_test \
   $(BINDIR)/$(CONFIG)/h2_full+trace_test \
@@ -1350,6 +1353,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_uds_test \
   $(BINDIR)/$(CONFIG)/h2_census_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_compress_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_fd_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test \
@@ -2630,7 +2634,9 @@ LIBGRPC_SRC = \
     src/core/ext/client_config/subchannel_index.c \
     src/core/ext/client_config/uri_parser.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c \
     src/core/ext/lb_policy/grpclb/load_balancer_api.c \
     src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
@@ -2659,6 +2665,7 @@ PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer_reader.h \
     include/grpc/compression.h \
     include/grpc/grpc.h \
+    include/grpc/grpc_posix.h \
     include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/byte_buffer_reader.h \
@@ -2901,6 +2908,7 @@ PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer_reader.h \
     include/grpc/compression.h \
     include/grpc/grpc.h \
+    include/grpc/grpc_posix.h \
     include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/byte_buffer_reader.h \
@@ -3157,6 +3165,7 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/lib/transport/transport.c \
     src/core/lib/transport/transport_op_string.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
     src/core/ext/transport/chttp2/transport/bin_encoder.c \
     src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
     src/core/ext/transport/chttp2/transport/chttp2_transport.c \
@@ -3180,6 +3189,7 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/ext/transport/chttp2/transport/writing.c \
     src/core/ext/transport/chttp2/alpn/alpn.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c \
     src/core/ext/client_config/channel_connectivity.c \
     src/core/ext/client_config/client_channel.c \
     src/core/ext/client_config/client_channel_factory.c \
@@ -3227,6 +3237,7 @@ PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer_reader.h \
     include/grpc/compression.h \
     include/grpc/grpc.h \
+    include/grpc/grpc_posix.h \
     include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/byte_buffer_reader.h \
@@ -3420,6 +3431,7 @@ LIBGRPC++_SRC = \
     src/cpp/client/client_context.cc \
     src/cpp/client/create_channel.cc \
     src/cpp/client/create_channel_internal.cc \
+    src/cpp/client/create_channel_posix.cc \
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
@@ -3435,6 +3447,7 @@ LIBGRPC++_SRC = \
     src/cpp/server/server_builder.cc \
     src/cpp/server/server_context.cc \
     src/cpp/server/server_credentials.cc \
+    src/cpp/server/server_posix.cc \
     src/cpp/util/byte_buffer.cc \
     src/cpp/util/slice.cc \
     src/cpp/util/status.cc \
@@ -3448,6 +3461,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/client_context.h \
     include/grpc++/completion_queue.h \
     include/grpc++/create_channel.h \
+    include/grpc++/create_channel_posix.h \
     include/grpc++/generic/async_generic_service.h \
     include/grpc++/generic/generic_stub.h \
     include/grpc++/grpc++.h \
@@ -3476,6 +3490,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/server.h \
     include/grpc++/server_builder.h \
     include/grpc++/server_context.h \
+    include/grpc++/server_posix.h \
     include/grpc++/support/async_stream.h \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
@@ -3776,6 +3791,7 @@ LIBGRPC++_UNSECURE_SRC = \
     src/cpp/client/client_context.cc \
     src/cpp/client/create_channel.cc \
     src/cpp/client/create_channel_internal.cc \
+    src/cpp/client/create_channel_posix.cc \
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
@@ -3791,6 +3807,7 @@ LIBGRPC++_UNSECURE_SRC = \
     src/cpp/server/server_builder.cc \
     src/cpp/server/server_context.cc \
     src/cpp/server/server_credentials.cc \
+    src/cpp/server/server_posix.cc \
     src/cpp/util/byte_buffer.cc \
     src/cpp/util/slice.cc \
     src/cpp/util/status.cc \
@@ -3804,6 +3821,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/client_context.h \
     include/grpc++/completion_queue.h \
     include/grpc++/create_channel.h \
+    include/grpc++/create_channel_posix.h \
     include/grpc++/generic/async_generic_service.h \
     include/grpc++/generic/generic_stub.h \
     include/grpc++/grpc++.h \
@@ -3832,6 +3850,7 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/server.h \
     include/grpc++/server_builder.h \
     include/grpc++/server_context.h \
+    include/grpc++/server_posix.h \
     include/grpc++/support/async_stream.h \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
@@ -13555,6 +13574,38 @@ endif
 endif
 
 
+H2_FD_TEST_SRC = \
+    test/core/end2end/fixtures/h2_fd.c \
+
+H2_FD_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FD_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/h2_fd_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/h2_fd_test: $(H2_FD_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_FD_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_fd_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fd.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_fd_test: $(H2_FD_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(H2_FD_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 H2_FULL_TEST_SRC = \
     test/core/end2end/fixtures/h2_full.c \
 
@@ -14011,6 +14062,26 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+H2_FD_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_fd.c \
+
+H2_FD_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FD_NOSEC_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/h2_fd_nosec_test: $(H2_FD_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_FD_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_fd_nosec_test
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fd.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_fd_nosec_test: $(H2_FD_NOSEC_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(H2_FD_NOSEC_TEST_OBJS:.o=.dep)
+endif
+
+
 H2_FULL_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_full.c \
 

binding.gyp

@@ -718,7 +718,9 @@
         'src/core/ext/client_config/subchannel_index.c',
         'src/core/ext/client_config/uri_parser.c',
         'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+        'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
         'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+        'src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c',
         'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
         'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
         'third_party/nanopb/pb_common.c',

build.yaml

@@ -154,6 +154,7 @@ filegroups:
   - include/grpc/byte_buffer_reader.h
   - include/grpc/compression.h
   - include/grpc/grpc.h
+  - include/grpc/grpc_posix.h
   - include/grpc/status.h
   headers:
   - src/core/lib/channel/channel_args.h
@@ -561,6 +562,7 @@ filegroups:
 - name: grpc_transport_chttp2_client_insecure
   src:
   - src/core/ext/transport/chttp2/client/insecure/channel_create.c
+  - src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c
   uses:
   - grpc_transport_chttp2
   - grpc_base
@@ -576,6 +578,7 @@ filegroups:
 - name: grpc_transport_chttp2_server_insecure
   src:
   - src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
+  - src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
   uses:
   - grpc_transport_chttp2
   - grpc_base
@@ -632,6 +635,7 @@ filegroups:
   - include/grpc++/client_context.h
   - include/grpc++/completion_queue.h
   - include/grpc++/create_channel.h
+  - include/grpc++/create_channel_posix.h
   - include/grpc++/generic/async_generic_service.h
   - include/grpc++/generic/generic_stub.h
   - include/grpc++/grpc++.h
@@ -660,6 +664,7 @@ filegroups:
   - include/grpc++/server.h
   - include/grpc++/server_builder.h
   - include/grpc++/server_context.h
+  - include/grpc++/server_posix.h
   - include/grpc++/support/async_stream.h
   - include/grpc++/support/async_unary_call.h
   - include/grpc++/support/byte_buffer.h
@@ -681,6 +686,7 @@ filegroups:
   - src/cpp/client/client_context.cc
   - src/cpp/client/create_channel.cc
   - src/cpp/client/create_channel_internal.cc
+  - src/cpp/client/create_channel_posix.cc
   - src/cpp/client/credentials.cc
   - src/cpp/client/generic_stub.cc
   - src/cpp/client/insecure_credentials.cc
@@ -696,6 +702,7 @@ filegroups:
   - src/cpp/server/server_builder.cc
   - src/cpp/server/server_context.cc
   - src/cpp/server/server_credentials.cc
+  - src/cpp/server/server_posix.cc
   - src/cpp/util/byte_buffer.cc
   - src/cpp/util/slice.cc
   - src/cpp/util/status.cc

config.m4

@@ -237,7 +237,9 @@ if test "$PHP_GRPC" != "no"; then
     src/core/ext/client_config/subchannel_index.c \
     src/core/ext/client_config/uri_parser.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c \
     src/core/ext/lb_policy/grpclb/load_balancer_api.c \
     src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \

gRPC.podspec

@@ -318,6 +318,7 @@ Pod::Spec.new do |s|
                       'include/grpc/byte_buffer_reader.h',
                       'include/grpc/compression.h',
                       'include/grpc/grpc.h',
+                      'include/grpc/grpc_posix.h',
                       'include/grpc/status.h',
                       'include/grpc/impl/codegen/byte_buffer.h',
                       'include/grpc/impl/codegen/byte_buffer_reader.h',
@@ -498,7 +499,9 @@ Pod::Spec.new do |s|
                       'src/core/ext/client_config/subchannel_index.c',
                       'src/core/ext/client_config/uri_parser.c',
                       'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
                       'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c',
                       'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
                       'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
                       'third_party/nanopb/pb_common.c',

grpc.def

@@ -88,6 +88,8 @@ EXPORTS
     grpc_header_nonbin_value_is_legal
     grpc_is_binary_header
     grpc_call_error_to_string
+    grpc_insecure_channel_create_from_fd
+    grpc_server_add_insecure_channel_from_fd
     grpc_auth_property_iterator_next
     grpc_auth_context_property_iterator
     grpc_auth_context_peer_identity

grpc.gemspec

@@ -147,6 +147,7 @@ Gem::Specification.new do |s|
   s.files += %w( include/grpc/byte_buffer_reader.h )
   s.files += %w( include/grpc/compression.h )
   s.files += %w( include/grpc/grpc.h )
+  s.files += %w( include/grpc/grpc_posix.h )
   s.files += %w( include/grpc/status.h )
   s.files += %w( include/grpc/impl/codegen/byte_buffer.h )
   s.files += %w( include/grpc/impl/codegen/byte_buffer_reader.h )
@@ -477,7 +478,9 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/client_config/subchannel_index.c )
   s.files += %w( src/core/ext/client_config/uri_parser.c )
   s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c )
   s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c )
   s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.c )
   s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c )
   s.files += %w( third_party/nanopb/pb_common.c )

include/grpc++/create_channel_posix.h

@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2016, 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 GRPCXX_CREATE_CHANNEL_POSIX_H
+#define GRPCXX_CREATE_CHANNEL_POSIX_H
+
+#include <memory>
+
+#include <grpc++/channel.h>
+#include <grpc/support/port_platform.h>
+
+namespace grpc {
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+/// Create a new \a Channel communicating over given file descriptor
+///
+/// \param target The name of the target.
+/// \param fd The file descriptor representing a socket.
+std::shared_ptr<Channel> CreateInsecureChannelFromFd(const grpc::string& target,
+                                                     int fd);
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD
+
+}  // namespace grpc
+
+#endif  // GRPCXX_CREATE_CHANNEL_POSIX_H

include/grpc++/grpc++.h

@@ -57,8 +57,10 @@
 #include <grpc++/client_context.h>
 #include <grpc++/completion_queue.h>
 #include <grpc++/create_channel.h>
+#include <grpc++/create_channel_posix.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc++/server_posix.h>
 
 #endif  // GRPCXX_GRPCXX_H

include/grpc++/server.h

@@ -93,6 +93,12 @@ class Server GRPC_FINAL : public ServerInterface, private GrpcLibraryCodegen {
   /// until all server objects in the process have been destroyed.
   static void SetGlobalCallbacks(GlobalCallbacks* callbacks);
 
+  // Returns a \em raw pointer to the underlying grpc_server instance.
+  grpc_server* c_server();
+
+  // Returns a \em raw pointer to the underlying CompletionQueue.
+  CompletionQueue* completion_queue();
+
  private:
   friend class AsyncGenericService;
   friend class ServerBuilder;

include/grpc++/server_posix.h

@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2016, 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 GRPCXX_SERVER_POSIX_H
+#define GRPCXX_SERVER_POSIX_H
+
+#include <memory>
+
+#include <grpc++/server.h>
+#include <grpc/support/port_platform.h>
+
+namespace grpc {
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+/// Adds new client to a \a Server communicating over given file descriptor
+///
+/// \param server The server to add a client to.
+/// \param fd The file descriptor representing a socket.
+void AddInsecureChannelFromFd(Server* server, int fd);
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD
+
+}  // namespace grpc
+
+#endif  // GRPCXX_SERVER_POSIX_H

include/grpc/grpc_posix.h

@@ -0,0 +1,70 @@
+/*
+ *
+ * Copyright 2016, 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 GRPC_GRPC_POSIX_H
+#define GRPC_GRPC_POSIX_H
+
+#include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/support/port_platform.h>
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*! \mainpage GRPC Core POSIX
+ *
+ * The GRPC Core POSIX library provides some POSIX-specific low-level
+ * functionality on top of GRPC Core.
+ */
+
+/** Create a client channel to 'target' using file descriptor 'fd'. The 'target'
+    argument will be used to indicate the name for this channel. See the comment
+    for grpc_insecure_channel_create for description of 'args' argument. */
+GRPCAPI grpc_channel *grpc_insecure_channel_create_from_fd(
+    const char *target, int fd, const grpc_channel_args *args);
+
+/** Add the connected communication channel based on file descriptor 'fd' to the
+    'server'. The 'fd' must be an open file descriptor corresponding to a
+    connected socket. The 'cq' is a completion queue that will be getting events
+    from that descriptor. */
+GRPCAPI void grpc_server_add_insecure_channel_from_fd(grpc_server *server,
+                                                      grpc_completion_queue *cq,
+                                                      int fd);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_GRPC_POSIX_H */

include/grpc/impl/codegen/port_platform.h

@@ -129,6 +129,7 @@
 #define GPR_POSIX_SOCKETADDR 1
 #define GPR_POSIX_NO_SPECIAL_WAKEUP_FD 1
 #define GPR_POSIX_SOCKETUTILS 1
+#define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_HAVE_UNIX_SOCKET 1
 #define GPR_HAVE_IP_PKTINFO 1
 #define GPR_HAVE_IPV6_RECVPKTINFO 1
@@ -168,6 +169,7 @@
 #define GPR_POSIX_SYNC 1
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
+#define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_HAVE_MSG_NOSIGNAL 1
 #define GPR_HAVE_UNIX_SOCKET 1
 #define GPR_HAVE_IP_PKTINFO 1
@@ -194,6 +196,7 @@
 #define GPR_POSIX_WAKEUP_FD 1
 #define GPR_POSIX_SOCKET 1
 #define GPR_POSIX_SOCKETADDR 1
+#define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_HAVE_UNIX_SOCKET 1
 #define GPR_HAVE_IP_PKTINFO 1
 #define GPR_HAVE_IPV6_RECVPKTINFO 1
@@ -258,6 +261,7 @@
 #define GPR_POSIX_SYNC 1
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
+#define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
 #define GPR_HAVE_UNIX_SOCKET 1
 #define GPR_HAVE_IP_PKTINFO 1
@@ -289,6 +293,7 @@
 #define GPR_POSIX_SYNC 1
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
+#define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
 #define GPR_HAVE_UNIX_SOCKET 1
 #define GPR_HAVE_IP_PKTINFO 1

package.xml

@@ -154,6 +154,7 @@
     <file baseinstalldir="/" name="include/grpc/byte_buffer_reader.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/compression.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/grpc.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/grpc_posix.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/status.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/byte_buffer.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/byte_buffer_reader.h" role="src" />
@@ -484,7 +485,9 @@
     <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_index.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/uri_parser.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/insecure/server_chttp2.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/insecure/channel_create.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_common.c" role="src" />

src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c

@@ -0,0 +1,95 @@
+/*
+ *
+ * Copyright 2016, 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/grpc.h>
+#include <grpc/grpc_posix.h>
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+#include <fcntl.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/transport.h"
+
+grpc_channel *grpc_insecure_channel_create_from_fd(
+    const char *target, int fd, const grpc_channel_args *args) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  GRPC_API_TRACE("grpc_insecure_channel_create(target=%p, fd=%d, args=%p)", 3,
+                 (target, fd, args));
+
+  grpc_arg default_authority_arg;
+  default_authority_arg.type = GRPC_ARG_STRING;
+  default_authority_arg.key = GRPC_ARG_DEFAULT_AUTHORITY;
+  default_authority_arg.value.string = "test.authority";
+  grpc_channel_args *final_args =
+      grpc_channel_args_copy_and_add(args, &default_authority_arg, 1);
+
+  int flags = fcntl(fd, F_GETFL, 0);
+  GPR_ASSERT(fcntl(fd, F_SETFL, flags | O_NONBLOCK) == 0);
+
+  grpc_endpoint *client =
+      grpc_tcp_create(grpc_fd_create(fd, "client"),
+                      GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "fd-client");
+
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, final_args, client, 1);
+  GPR_ASSERT(transport);
+  grpc_channel *channel = grpc_channel_create(
+      &exec_ctx, target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
+  grpc_channel_args_destroy(final_args);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  return channel != NULL ? channel : grpc_lame_client_channel_create(
+                                         target, GRPC_STATUS_INTERNAL,
+                                         "Failed to create client channel");
+}
+
+#else  // !GPR_SUPPORT_CHANNELS_FROM_FD
+
+grpc_channel *grpc_insecure_channel_create_from_fd(
+    const char *target, int fd, const grpc_channel_args *args) {
+  GPR_ASSERT(0);
+  return NULL;
+}
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD

src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c

@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2016, 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/grpc.h>
+#include <grpc/grpc_posix.h>
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/server.h"
+
+void grpc_server_add_insecure_channel_from_fd(grpc_server *server,
+                                              grpc_completion_queue *cq,
+                                              int fd) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  char *name;
+  gpr_asprintf(&name, "fd:%d", fd);
+
+  grpc_endpoint *server_endpoint = grpc_tcp_create(
+      grpc_fd_create(fd, name), GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name);
+
+  gpr_free(name);
+
+  const grpc_channel_args *server_args = grpc_server_get_channel_args(server);
+  grpc_transport *transport = grpc_create_chttp2_transport(
+      &exec_ctx, server_args, server_endpoint, 0 /* is_client */);
+  grpc_endpoint_add_to_pollset(&exec_ctx, server_endpoint, grpc_cq_pollset(cq));
+  grpc_server_setup_transport(&exec_ctx, server, transport, NULL, server_args);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+#else  // !GPR_SUPPORT_CHANNELS_FROM_FD
+
+void grpc_server_add_insecure_channel_from_fd(grpc_server *server,
+                                              grpc_completion_queue *cq,
+                                              int fd) {
+  GPR_ASSERT(0);
+}
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD

src/cpp/client/create_channel_posix.cc

@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2016, 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++/channel.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/impl/grpc_library.h>
+#include <grpc/grpc.h>
+#include <grpc/grpc_posix.h>
+
+#include "src/cpp/client/create_channel_internal.h"
+
+namespace grpc {
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+std::shared_ptr<Channel> CreateInsecureChannelFromFd(const grpc::string& target,
+                                                     int fd) {
+  internal::GrpcLibrary init_lib;
+  init_lib.init();
+  return CreateChannelInternal(
+      "", grpc_insecure_channel_create_from_fd(target.c_str(), fd, nullptr));
+}
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD
+
+}  // namespace grpc

src/cpp/server/server.cc

@@ -329,6 +329,10 @@ void Server::SetGlobalCallbacks(GlobalCallbacks* callbacks) {
   g_callbacks.reset(callbacks);
 }
 
+grpc_server* Server::c_server() { return server_; }
+
+CompletionQueue* Server::completion_queue() { return &cq_; }
+
 static grpc_server_register_method_payload_handling PayloadHandlingForMethod(
     RpcServiceMethod* method) {
   switch (method->method_type()) {

src/cpp/server/server_posix.cc

@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, 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++/server_posix.h>
+
+#include <grpc/grpc_posix.h>
+
+namespace grpc {
+
+#ifdef GPR_SUPPORT_CHANNELS_FROM_FD
+
+void AddInsecureChannelFromFd(Server* server, int fd) {
+  grpc_server_add_insecure_channel_from_fd(
+      server->c_server(), server->completion_queue()->cq(), fd);
+
+#endif  // GPR_SUPPORT_CHANNELS_FROM_FD
+}
+
+}  // namespace grpc

src/python/grpcio/grpc/_cython/imports.generated.c

@@ -126,6 +126,8 @@ grpc_header_key_is_legal_type grpc_header_key_is_legal_import;
 grpc_header_nonbin_value_is_legal_type grpc_header_nonbin_value_is_legal_import;
 grpc_is_binary_header_type grpc_is_binary_header_import;
 grpc_call_error_to_string_type grpc_call_error_to_string_import;
+grpc_insecure_channel_create_from_fd_type grpc_insecure_channel_create_from_fd_import;
+grpc_server_add_insecure_channel_from_fd_type grpc_server_add_insecure_channel_from_fd_import;
 grpc_auth_property_iterator_next_type grpc_auth_property_iterator_next_import;
 grpc_auth_context_property_iterator_type grpc_auth_context_property_iterator_import;
 grpc_auth_context_peer_identity_type grpc_auth_context_peer_identity_import;
@@ -397,6 +399,8 @@ void pygrpc_load_imports(HMODULE library) {
   grpc_header_nonbin_value_is_legal_import = (grpc_header_nonbin_value_is_legal_type) GetProcAddress(library, "grpc_header_nonbin_value_is_legal");
   grpc_is_binary_header_import = (grpc_is_binary_header_type) GetProcAddress(library, "grpc_is_binary_header");
   grpc_call_error_to_string_import = (grpc_call_error_to_string_type) GetProcAddress(library, "grpc_call_error_to_string");
+  grpc_insecure_channel_create_from_fd_import = (grpc_insecure_channel_create_from_fd_type) GetProcAddress(library, "grpc_insecure_channel_create_from_fd");
+  grpc_server_add_insecure_channel_from_fd_import = (grpc_server_add_insecure_channel_from_fd_type) GetProcAddress(library, "grpc_server_add_insecure_channel_from_fd");
   grpc_auth_property_iterator_next_import = (grpc_auth_property_iterator_next_type) GetProcAddress(library, "grpc_auth_property_iterator_next");
   grpc_auth_context_property_iterator_import = (grpc_auth_context_property_iterator_type) GetProcAddress(library, "grpc_auth_context_property_iterator");
   grpc_auth_context_peer_identity_import = (grpc_auth_context_peer_identity_type) GetProcAddress(library, "grpc_auth_context_peer_identity");

src/python/grpcio/grpc/_cython/imports.generated.h

@@ -43,6 +43,7 @@
 #include <grpc/census.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
+#include <grpc/grpc_posix.h>
 #include <grpc/grpc_security.h>
 #include <grpc/impl/codegen/alloc.h>
 #include <grpc/impl/codegen/byte_buffer.h>
@@ -328,6 +329,12 @@ extern grpc_is_binary_header_type grpc_is_binary_header_import;
 typedef const char *(*grpc_call_error_to_string_type)(grpc_call_error error);
 extern grpc_call_error_to_string_type grpc_call_error_to_string_import;
 #define grpc_call_error_to_string grpc_call_error_to_string_import
+typedef grpc_channel *(*grpc_insecure_channel_create_from_fd_type)(const char *target, int fd, const grpc_channel_args *args);
+extern grpc_insecure_channel_create_from_fd_type grpc_insecure_channel_create_from_fd_import;
+#define grpc_insecure_channel_create_from_fd grpc_insecure_channel_create_from_fd_import
+typedef void(*grpc_server_add_insecure_channel_from_fd_type)(grpc_server *server, grpc_completion_queue *cq, int fd);
+extern grpc_server_add_insecure_channel_from_fd_type grpc_server_add_insecure_channel_from_fd_import;
+#define grpc_server_add_insecure_channel_from_fd grpc_server_add_insecure_channel_from_fd_import
 typedef const grpc_auth_property *(*grpc_auth_property_iterator_next_type)(grpc_auth_property_iterator *it);
 extern grpc_auth_property_iterator_next_type grpc_auth_property_iterator_next_import;
 #define grpc_auth_property_iterator_next grpc_auth_property_iterator_next_import

src/python/grpcio/grpc_core_dependencies.py

@@ -231,7 +231,9 @@ CORE_SOURCE_FILES = [
   'src/core/ext/client_config/subchannel_index.c',
   'src/core/ext/client_config/uri_parser.c',
   'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+  'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
   'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+  'src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c',
   'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
   'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
   'third_party/nanopb/pb_common.c',

src/ruby/ext/grpc/rb_grpc_imports.generated.c

@@ -126,6 +126,8 @@ grpc_header_key_is_legal_type grpc_header_key_is_legal_import;
 grpc_header_nonbin_value_is_legal_type grpc_header_nonbin_value_is_legal_import;
 grpc_is_binary_header_type grpc_is_binary_header_import;
 grpc_call_error_to_string_type grpc_call_error_to_string_import;
+grpc_insecure_channel_create_from_fd_type grpc_insecure_channel_create_from_fd_import;
+grpc_server_add_insecure_channel_from_fd_type grpc_server_add_insecure_channel_from_fd_import;
 grpc_auth_property_iterator_next_type grpc_auth_property_iterator_next_import;
 grpc_auth_context_property_iterator_type grpc_auth_context_property_iterator_import;
 grpc_auth_context_peer_identity_type grpc_auth_context_peer_identity_import;
@@ -393,6 +395,8 @@ void grpc_rb_load_imports(HMODULE library) {
   grpc_header_nonbin_value_is_legal_import = (grpc_header_nonbin_value_is_legal_type) GetProcAddress(library, "grpc_header_nonbin_value_is_legal");
   grpc_is_binary_header_import = (grpc_is_binary_header_type) GetProcAddress(library, "grpc_is_binary_header");
   grpc_call_error_to_string_import = (grpc_call_error_to_string_type) GetProcAddress(library, "grpc_call_error_to_string");
+  grpc_insecure_channel_create_from_fd_import = (grpc_insecure_channel_create_from_fd_type) GetProcAddress(library, "grpc_insecure_channel_create_from_fd");
+  grpc_server_add_insecure_channel_from_fd_import = (grpc_server_add_insecure_channel_from_fd_type) GetProcAddress(library, "grpc_server_add_insecure_channel_from_fd");
   grpc_auth_property_iterator_next_import = (grpc_auth_property_iterator_next_type) GetProcAddress(library, "grpc_auth_property_iterator_next");
   grpc_auth_context_property_iterator_import = (grpc_auth_context_property_iterator_type) GetProcAddress(library, "grpc_auth_context_property_iterator");
   grpc_auth_context_peer_identity_import = (grpc_auth_context_peer_identity_type) GetProcAddress(library, "grpc_auth_context_peer_identity");

src/ruby/ext/grpc/rb_grpc_imports.generated.h

@@ -43,6 +43,7 @@
 #include <grpc/census.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
+#include <grpc/grpc_posix.h>
 #include <grpc/grpc_security.h>
 #include <grpc/impl/codegen/alloc.h>
 #include <grpc/impl/codegen/byte_buffer.h>
@@ -328,6 +329,12 @@ extern grpc_is_binary_header_type grpc_is_binary_header_import;
 typedef const char *(*grpc_call_error_to_string_type)(grpc_call_error error);
 extern grpc_call_error_to_string_type grpc_call_error_to_string_import;
 #define grpc_call_error_to_string grpc_call_error_to_string_import
+typedef grpc_channel *(*grpc_insecure_channel_create_from_fd_type)(const char *target, int fd, const grpc_channel_args *args);
+extern grpc_insecure_channel_create_from_fd_type grpc_insecure_channel_create_from_fd_import;
+#define grpc_insecure_channel_create_from_fd grpc_insecure_channel_create_from_fd_import
+typedef void(*grpc_server_add_insecure_channel_from_fd_type)(grpc_server *server, grpc_completion_queue *cq, int fd);
+extern grpc_server_add_insecure_channel_from_fd_type grpc_server_add_insecure_channel_from_fd_import;
+#define grpc_server_add_insecure_channel_from_fd grpc_server_add_insecure_channel_from_fd_import
 typedef const grpc_auth_property *(*grpc_auth_property_iterator_next_type)(grpc_auth_property_iterator *it);
 extern grpc_auth_property_iterator_next_type grpc_auth_property_iterator_next_import;
 #define grpc_auth_property_iterator_next grpc_auth_property_iterator_next_import

test/core/end2end/fixtures/h2_fd.c

@@ -0,0 +1,128 @@
+/*
+ *
+ * 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 "test/core/end2end/end2end_tests.h"
+
+#include <fcntl.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_posix.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "test/core/util/test_config.h"
+
+typedef struct { int fd_pair[2]; } sp_fixture_data;
+
+static void create_sockets(int sv[2]) {
+  int flags;
+  grpc_create_socketpair_if_unix(sv);
+  flags = fcntl(sv[0], F_GETFL, 0);
+  GPR_ASSERT(fcntl(sv[0], F_SETFL, flags | O_NONBLOCK) == 0);
+  flags = fcntl(sv[1], F_GETFL, 0);
+  GPR_ASSERT(fcntl(sv[1], F_SETFL, flags | O_NONBLOCK) == 0);
+  GPR_ASSERT(grpc_set_socket_no_sigpipe_if_possible(sv[0]));
+  GPR_ASSERT(grpc_set_socket_no_sigpipe_if_possible(sv[1]));
+}
+
+static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
+    grpc_channel_args *client_args, grpc_channel_args *server_args) {
+  sp_fixture_data *fixture_data = gpr_malloc(sizeof(*fixture_data));
+
+  grpc_end2end_test_fixture f;
+  memset(&f, 0, sizeof(f));
+  f.fixture_data = fixture_data;
+  f.cq = grpc_completion_queue_create(NULL);
+
+  create_sockets(fixture_data->fd_pair);
+
+  return f;
+}
+
+static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
+                                          grpc_channel_args *client_args) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  sp_fixture_data *sfd = f->fixture_data;
+
+  GPR_ASSERT(!f->client);
+  f->client = grpc_insecure_channel_create_from_fd(
+      "fixture_client", sfd->fd_pair[0], client_args);
+  GPR_ASSERT(f->client);
+
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
+                                          grpc_channel_args *server_args) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  sp_fixture_data *sfd = f->fixture_data;
+  GPR_ASSERT(!f->server);
+  f->server = grpc_server_create(server_args, NULL);
+  GPR_ASSERT(f->server);
+  grpc_server_register_completion_queue(f->server, f->cq, NULL);
+  grpc_server_start(f->server);
+
+  grpc_server_add_insecure_channel_from_fd(f->server, f->cq, sfd->fd_pair[1]);
+
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void chttp2_tear_down_socketpair(grpc_end2end_test_fixture *f) {
+  gpr_free(f->fixture_data);
+}
+
+/* All test configurations */
+static grpc_end2end_test_config configs[] = {
+    {"chttp2/fd", 0, chttp2_create_fixture_socketpair,
+     chttp2_init_client_socketpair, chttp2_init_server_socketpair,
+     chttp2_tear_down_socketpair},
+};
+
+int main(int argc, char **argv) {
+  size_t i;
+
+  grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
+  grpc_init();
+
+  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
+    grpc_end2end_tests(argc, argv, configs[i]);
+  }
+
+  grpc_shutdown();
+
+  return 0;
+}

test/core/end2end/gen_build_yaml.py

@@ -45,6 +45,8 @@ default_unsecure_fixture_options = FixtureOptions(
 socketpair_unsecure_fixture_options = default_unsecure_fixture_options._replace(fullstack=False, dns_resolver=False)
 default_secure_fixture_options = default_unsecure_fixture_options._replace(secure=True)
 uds_fixture_options = default_unsecure_fixture_options._replace(dns_resolver=False, platforms=['linux', 'mac', 'posix'])
+fd_unsecure_fixture_options = default_unsecure_fixture_options._replace(
+    dns_resolver=False, fullstack=False, platforms=['linux', 'mac', 'posix'])
 
 
 # maps fixture name to whether it requires the security library
@@ -52,6 +54,7 @@ END2END_FIXTURES = {
     'h2_compress': default_unsecure_fixture_options,
     'h2_census': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
+    'h2_fd': fd_unsecure_fixture_options,
     'h2_full': default_unsecure_fixture_options,
     'h2_full+pipe': default_unsecure_fixture_options._replace(
         platforms=['linux']),
@@ -73,7 +76,8 @@ END2END_FIXTURES = {
 }
 
 TestOptions = collections.namedtuple(
-    'TestOptions', 'needs_fullstack needs_dns proxyable secure traceable cpu_cost')
+    'TestOptions',
+    'needs_fullstack needs_dns proxyable secure traceable cpu_cost')
 default_test_options = TestOptions(False, False, True, False, True, 1.0)
 connectivity_test_options = default_test_options._replace(needs_fullstack=True)
 
@@ -90,8 +94,10 @@ END2END_TESTS = {
     'cancel_before_invoke': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_in_a_vacuum': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_with_status': default_test_options._replace(cpu_cost=LOWCPU),
-    'compressed_payload': default_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
-    'connectivity': connectivity_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
+    'compressed_payload': default_test_options._replace(proxyable=False,
+                                                        cpu_cost=LOWCPU),
+    'connectivity': connectivity_test_options._replace(proxyable=False,
+                                                       cpu_cost=LOWCPU),
     'default_host': default_test_options._replace(needs_fullstack=True,
                                                   needs_dns=True),
     'disappearing_server': connectivity_test_options,
@@ -117,7 +123,8 @@ END2END_TESTS = {
     'server_finishes_request': default_test_options,
     'shutdown_finishes_calls': default_test_options,
     'shutdown_finishes_tags': default_test_options,
-    'simple_delayed_request': connectivity_test_options._replace(cpu_cost=LOWCPU),
+    'simple_delayed_request': connectivity_test_options._replace(
+        cpu_cost=LOWCPU),
     'simple_metadata': default_test_options,
     'simple_request': default_test_options,
     'trailing_metadata': default_test_options,

tools/doxygen/Doxyfile.c++

@@ -765,6 +765,7 @@ include/grpc++/channel.h \
 include/grpc++/client_context.h \
 include/grpc++/completion_queue.h \
 include/grpc++/create_channel.h \
+include/grpc++/create_channel_posix.h \
 include/grpc++/generic/async_generic_service.h \
 include/grpc++/generic/generic_stub.h \
 include/grpc++/grpc++.h \
@@ -793,6 +794,7 @@ include/grpc++/security/server_credentials.h \
 include/grpc++/server.h \
 include/grpc++/server_builder.h \
 include/grpc++/server_context.h \
+include/grpc++/server_posix.h \
 include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \

tools/doxygen/Doxyfile.c++.internal

@@ -765,6 +765,7 @@ include/grpc++/channel.h \
 include/grpc++/client_context.h \
 include/grpc++/completion_queue.h \
 include/grpc++/create_channel.h \
+include/grpc++/create_channel_posix.h \
 include/grpc++/generic/async_generic_service.h \
 include/grpc++/generic/generic_stub.h \
 include/grpc++/grpc++.h \
@@ -793,6 +794,7 @@ include/grpc++/security/server_credentials.h \
 include/grpc++/server.h \
 include/grpc++/server_builder.h \
 include/grpc++/server_context.h \
+include/grpc++/server_posix.h \
 include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
@@ -873,6 +875,7 @@ src/cpp/client/channel.cc \
 src/cpp/client/client_context.cc \
 src/cpp/client/create_channel.cc \
 src/cpp/client/create_channel_internal.cc \
+src/cpp/client/create_channel_posix.cc \
 src/cpp/client/credentials.cc \
 src/cpp/client/generic_stub.cc \
 src/cpp/client/insecure_credentials.cc \
@@ -888,6 +891,7 @@ src/cpp/server/server.cc \
 src/cpp/server/server_builder.cc \
 src/cpp/server/server_context.cc \
 src/cpp/server/server_credentials.cc \
+src/cpp/server/server_posix.cc \
 src/cpp/util/byte_buffer.cc \
 src/cpp/util/slice.cc \
 src/cpp/util/status.cc \

tools/doxygen/Doxyfile.core

@@ -764,6 +764,7 @@ INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
+include/grpc/grpc_posix.h \
 include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/byte_buffer_reader.h \

tools/doxygen/Doxyfile.core.internal

@@ -764,6 +764,7 @@ INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
+include/grpc/grpc_posix.h \
 include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/byte_buffer_reader.h \
@@ -1094,7 +1095,9 @@ src/core/ext/client_config/subchannel_call_holder.c \
 src/core/ext/client_config/subchannel_index.c \
 src/core/ext/client_config/uri_parser.c \
 src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
 src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c \
 src/core/ext/lb_policy/grpclb/load_balancer_api.c \
 src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
 third_party/nanopb/pb_common.c \

tools/run_tests/sources_and_headers.json

@@ -3487,6 +3487,23 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "end2end_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fd_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_fd.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "end2end_tests", 
@@ -3742,6 +3759,23 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "end2end_nosec_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fd_nosec_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_fd.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "end2end_nosec_tests", 
@@ -5596,6 +5630,7 @@
       "include/grpc/byte_buffer_reader.h", 
       "include/grpc/compression.h", 
       "include/grpc/grpc.h", 
+      "include/grpc/grpc_posix.h", 
       "include/grpc/status.h", 
       "src/core/lib/channel/channel_args.h", 
       "src/core/lib/channel/channel_stack.h", 
@@ -5680,6 +5715,7 @@
       "include/grpc/byte_buffer_reader.h", 
       "include/grpc/compression.h", 
       "include/grpc/grpc.h", 
+      "include/grpc/grpc_posix.h", 
       "include/grpc/status.h", 
       "src/core/lib/channel/channel_args.c", 
       "src/core/lib/channel/channel_args.h", 
@@ -6268,7 +6304,8 @@
     "language": "c", 
     "name": "grpc_transport_chttp2_client_insecure", 
     "src": [
-      "src/core/ext/transport/chttp2/client/insecure/channel_create.c"
+      "src/core/ext/transport/chttp2/client/insecure/channel_create.c", 
+      "src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -6300,7 +6337,8 @@
     "language": "c", 
     "name": "grpc_transport_chttp2_server_insecure", 
     "src": [
-      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c"
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c", 
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -6396,6 +6434,7 @@
       "include/grpc++/client_context.h", 
       "include/grpc++/completion_queue.h", 
       "include/grpc++/create_channel.h", 
+      "include/grpc++/create_channel_posix.h", 
       "include/grpc++/generic/async_generic_service.h", 
       "include/grpc++/generic/generic_stub.h", 
       "include/grpc++/grpc++.h", 
@@ -6424,6 +6463,7 @@
       "include/grpc++/server.h", 
       "include/grpc++/server_builder.h", 
       "include/grpc++/server_context.h", 
+      "include/grpc++/server_posix.h", 
       "include/grpc++/support/async_stream.h", 
       "include/grpc++/support/async_unary_call.h", 
       "include/grpc++/support/byte_buffer.h", 
@@ -6448,6 +6488,7 @@
       "include/grpc++/client_context.h", 
       "include/grpc++/completion_queue.h", 
       "include/grpc++/create_channel.h", 
+      "include/grpc++/create_channel_posix.h", 
       "include/grpc++/generic/async_generic_service.h", 
       "include/grpc++/generic/generic_stub.h", 
       "include/grpc++/grpc++.h", 
@@ -6476,6 +6517,7 @@
       "include/grpc++/server.h", 
       "include/grpc++/server_builder.h", 
       "include/grpc++/server_context.h", 
+      "include/grpc++/server_posix.h", 
       "include/grpc++/support/async_stream.h", 
       "include/grpc++/support/async_unary_call.h", 
       "include/grpc++/support/byte_buffer.h", 
@@ -6493,6 +6535,7 @@
       "src/cpp/client/create_channel.cc", 
       "src/cpp/client/create_channel_internal.cc", 
       "src/cpp/client/create_channel_internal.h", 
+      "src/cpp/client/create_channel_posix.cc", 
       "src/cpp/client/credentials.cc", 
       "src/cpp/client/generic_stub.cc", 
       "src/cpp/client/insecure_credentials.cc", 
@@ -6509,6 +6552,7 @@
       "src/cpp/server/server_builder.cc", 
       "src/cpp/server/server_context.cc", 
       "src/cpp/server/server_credentials.cc", 
+      "src/cpp/server/server_posix.cc", 
       "src/cpp/server/thread_pool_interface.h", 
       "src/cpp/util/byte_buffer.cc", 
       "src/cpp/util/slice.cc", 

vsprojects/vcxproj/grpc++/grpc++.vcxproj

@@ -263,6 +263,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\client_context.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\async_generic_service.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\generic_stub.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\grpc++.h" />
@@ -291,6 +292,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_builder.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
@@ -385,6 +387,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_posix.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\credentials.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\generic_stub.cc">
@@ -415,6 +419,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_credentials.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_posix.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\byte_buffer.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\slice.cc">

vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters

@@ -31,6 +31,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_posix.cc">
+      <Filter>src\cpp\client</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
@@ -76,6 +79,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_credentials.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_posix.cc">
+      <Filter>src\cpp\server</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\byte_buffer.cc">
       <Filter>src\cpp\util</Filter>
     </ClCompile>
@@ -111,6 +117,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel_posix.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\async_generic_service.h">
       <Filter>include\grpc++\generic</Filter>
     </ClInclude>
@@ -195,6 +204,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_context.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_posix.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_stream.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>

vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj

@@ -263,6 +263,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\client_context.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\async_generic_service.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\generic_stub.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\grpc++.h" />
@@ -291,6 +292,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_builder.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
@@ -371,6 +373,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_posix.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\credentials.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\generic_stub.cc">
@@ -401,6 +405,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_credentials.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_posix.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\byte_buffer.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\slice.cc">

vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters

@@ -16,6 +16,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\create_channel_posix.cc">
+      <Filter>src\cpp\client</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
@@ -61,6 +64,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_credentials.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_posix.cc">
+      <Filter>src\cpp\server</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\byte_buffer.cc">
       <Filter>src\cpp\util</Filter>
     </ClCompile>
@@ -96,6 +102,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\create_channel_posix.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\generic\async_generic_service.h">
       <Filter>include\grpc++\generic</Filter>
     </ClInclude>
@@ -180,6 +189,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_context.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\server_posix.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_stream.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>

vsprojects/vcxproj/grpc/grpc.vcxproj

@@ -271,6 +271,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer_reader.h" />
@@ -760,8 +761,12 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v1\load_balancer.pb.c">

vsprojects/vcxproj/grpc/grpc.vcxproj.filters

@@ -466,9 +466,15 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
       <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
+      <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
       <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
+      <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
       <Filter>src\core\ext\lb_policy\grpclb</Filter>
     </ClCompile>
@@ -549,6 +555,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_posix.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
       <Filter>include\grpc</Filter>
     </ClInclude>

vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj

@@ -262,6 +262,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer_reader.h" />
@@ -588,6 +589,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_plugin.c">
@@ -634,6 +637,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">

vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters

@@ -259,6 +259,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
       <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
+      <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.c">
       <Filter>src\core\ext\transport\chttp2\transport</Filter>
     </ClCompile>
@@ -328,6 +331,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
       <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
+      <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
@@ -465,6 +471,9 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_posix.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
       <Filter>include\grpc</Filter>
     </ClInclude>