|  | @@ -1,387 +0,0 @@
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				|  |  | -/*
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				|  |  | - *
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				|  |  | - * Copyright 2015 gRPC authors.
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				|  |  | - *
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				|  |  | - * Licensed under the Apache License, Version 2.0 (the "License");
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				|  |  | - * you may not use this file except in compliance with the License.
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				|  |  | - * You may obtain a copy of the License at
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				|  |  | - *
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				|  |  | - *     http://www.apache.org/licenses/LICENSE-2.0
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				|  |  | - *
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				|  |  | - * Unless required by applicable law or agreed to in writing, software
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				|  |  | - * distributed under the License is distributed on an "AS IS" BASIS,
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				|  |  | - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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				|  |  | - * See the License for the specific language governing permissions and
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				|  |  | - * limitations under the License.
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				|  |  | - *
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				|  |  | - */
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				|  |  | -
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				|  |  | -#ifndef GRPCPP_SERVER_IMPL_H
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				|  |  | -#define GRPCPP_SERVER_IMPL_H
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				|  |  | -
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				|  |  | -#include <list>
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				|  |  | -#include <memory>
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				|  |  | -#include <vector>
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				|  |  | -
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				|  |  | -#include <grpc/impl/codegen/port_platform.h>
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				|  |  | -
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				|  |  | -#include <grpc/compression.h>
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				|  |  | -#include <grpc/support/atm.h>
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				|  |  | -#include <grpcpp/channel.h>
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				|  |  | -#include <grpcpp/completion_queue.h>
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				|  |  | -#include <grpcpp/health_check_service_interface.h>
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				|  |  | -#include <grpcpp/impl/call.h>
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				|  |  | -#include <grpcpp/impl/codegen/client_interceptor.h>
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				|  |  | -#include <grpcpp/impl/codegen/completion_queue.h>
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				|  |  | -#include <grpcpp/impl/codegen/grpc_library.h>
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				|  |  | -#include <grpcpp/impl/codegen/server_interface.h>
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				|  |  | -#include <grpcpp/impl/rpc_service_method.h>
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				|  |  | -#include <grpcpp/security/server_credentials.h>
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				|  |  | -#include <grpcpp/support/channel_arguments.h>
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				|  |  | -#include <grpcpp/support/config.h>
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				|  |  | -#include <grpcpp/support/status.h>
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				|  |  | -
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				|  |  | -struct grpc_server;
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				|  |  | -
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				|  |  | -namespace grpc {
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				|  |  | -class AsyncGenericService;
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				|  |  | -
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				|  |  | -namespace internal {
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				|  |  | -class ExternalConnectionAcceptorImpl;
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				|  |  | -}  // namespace internal
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				|  |  | -
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				|  |  | -}  // namespace grpc
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				|  |  | -
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				|  |  | -namespace grpc_impl {
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				|  |  | -class ServerContext;
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				|  |  | -class ServerInitializer;
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				|  |  | -
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				|  |  | -/// Represents a gRPC server.
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				|  |  | -///
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				|  |  | -/// Use a \a grpc::ServerBuilder to create, configure, and start
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				|  |  | -/// \a Server instances.
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				|  |  | -class Server : public grpc::ServerInterface, private grpc::GrpcLibraryCodegen {
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				|  |  | - public:
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				|  |  | -  ~Server();
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				|  |  | -
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				|  |  | -  /// Block until the server shuts down.
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				|  |  | -  ///
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				|  |  | -  /// \warning The server must be either shutting down or some other thread must
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				|  |  | -  /// call \a Shutdown for this function to ever return.
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				|  |  | -  void Wait() override;
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				|  |  | -
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				|  |  | -  /// Global callbacks are a set of hooks that are called when server
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				|  |  | -  /// events occur.  \a SetGlobalCallbacks method is used to register
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				|  |  | -  /// the hooks with gRPC.  Note that
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				|  |  | -  /// the \a GlobalCallbacks instance will be shared among all
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				|  |  | -  /// \a Server instances in an application and can be set exactly
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				|  |  | -  /// once per application.
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				|  |  | -  class GlobalCallbacks {
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				|  |  | -   public:
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				|  |  | -    virtual ~GlobalCallbacks() {}
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				|  |  | -    /// Called before server is created.
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				|  |  | -    virtual void UpdateArguments(grpc::ChannelArguments* /*args*/) {}
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				|  |  | -    /// Called before application callback for each synchronous server request
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				|  |  | -    virtual void PreSynchronousRequest(grpc_impl::ServerContext* context) = 0;
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				|  |  | -    /// Called after application callback for each synchronous server request
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				|  |  | -    virtual void PostSynchronousRequest(grpc_impl::ServerContext* context) = 0;
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				|  |  | -    /// Called before server is started.
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				|  |  | -    virtual void PreServerStart(Server* /*server*/) {}
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				|  |  | -    /// Called after a server port is added.
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				|  |  | -    virtual void AddPort(Server* /*server*/, const std::string& /*addr*/,
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				|  |  | -                         grpc::ServerCredentials* /*creds*/, int /*port*/) {}
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				|  |  | -  };
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				|  |  | -  /// Set the global callback object. Can only be called once per application.
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				|  |  | -  /// Does not take ownership of callbacks, and expects the pointed to object
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				|  |  | -  /// to be alive until all server objects in the process have been destroyed.
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				|  |  | -  /// The same \a GlobalCallbacks object will be used throughout the
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				|  |  | -  /// application and is shared among all \a Server objects.
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				|  |  | -  static void SetGlobalCallbacks(GlobalCallbacks* callbacks);
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				|  |  | -
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				|  |  | -  /// Returns a \em raw pointer to the underlying \a grpc_server instance.
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				|  |  | -  /// EXPERIMENTAL:  for internal/test use only
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				|  |  | -  grpc_server* c_server();
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				|  |  | -
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				|  |  | -  /// Returns the health check service.
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				|  |  | -  grpc::HealthCheckServiceInterface* GetHealthCheckService() const {
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				|  |  | -    return health_check_service_.get();
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				|  |  | -  }
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				|  |  | -
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				|  |  | -  /// Establish a channel for in-process communication
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				|  |  | -  std::shared_ptr<grpc::Channel> InProcessChannel(
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				|  |  | -      const grpc::ChannelArguments& args);
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				|  |  | -
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				|  |  | -  /// NOTE: class experimental_type is not part of the public API of this class.
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				|  |  | -  /// TODO(yashykt): Integrate into public API when this is no longer
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				|  |  | -  /// experimental.
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				|  |  | -  class experimental_type {
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				|  |  | -   public:
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				|  |  | -    explicit experimental_type(Server* server) : server_(server) {}
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				|  |  | -
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				|  |  | -    /// Establish a channel for in-process communication with client
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				|  |  | -    /// interceptors
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				|  |  | -    std::shared_ptr<grpc::Channel> InProcessChannelWithInterceptors(
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				|  |  | -        const grpc::ChannelArguments& args,
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				|  |  | -        std::vector<std::unique_ptr<
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				|  |  | -            grpc::experimental::ClientInterceptorFactoryInterface>>
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				|  |  | -            interceptor_creators);
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				|  |  | -
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				|  |  | -   private:
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				|  |  | -    Server* server_;
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				|  |  | -  };
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				|  |  | -
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				|  |  | -  /// NOTE: The function experimental() is not stable public API. It is a view
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				|  |  | -  /// to the experimental components of this class. It may be changed or removed
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				|  |  | -  /// at any time.
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				|  |  | -  experimental_type experimental() { return experimental_type(this); }
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				|  |  | -
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				|  |  | - protected:
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				|  |  | -  /// Register a service. This call does not take ownership of the service.
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				|  |  | -  /// The service must exist for the lifetime of the Server instance.
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				|  |  | -  bool RegisterService(const std::string* host,
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				|  |  | -                       grpc::Service* service) override;
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				|  |  | -
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				|  |  | -  /// Try binding the server to the given \a addr endpoint
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				|  |  | -  /// (port, and optionally including IP address to bind to).
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				|  |  | -  ///
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				|  |  | -  /// It can be invoked multiple times. Should be used before
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				|  |  | -  /// starting the server.
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				|  |  | -  ///
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				|  |  | -  /// \param addr The address to try to bind to the server (eg, localhost:1234,
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				|  |  | -  /// 192.168.1.1:31416, [::1]:27182, etc.).
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				|  |  | -  /// \param creds The credentials associated with the server.
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				|  |  | -  ///
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				|  |  | -  /// \return bound port number on success, 0 on failure.
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				|  |  | -  ///
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				|  |  | -  /// \warning It is an error to call this method on an already started server.
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				|  |  | -  int AddListeningPort(const std::string& addr,
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				|  |  | -                       grpc::ServerCredentials* creds) override;
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				|  |  | -
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				|  |  | -  /// NOTE: This is *NOT* a public API. The server constructors are supposed to
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				|  |  | -  /// be used by \a ServerBuilder class only. The constructor will be made
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				|  |  | -  /// 'private' very soon.
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				|  |  | -  ///
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				|  |  | -  /// Server constructors. To be used by \a ServerBuilder only.
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				|  |  | -  ///
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				|  |  | -  /// \param args The channel args
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				|  |  | -  ///
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				|  |  | -  /// \param sync_server_cqs The completion queues to use if the server is a
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				|  |  | -  /// synchronous server (or a hybrid server). The server polls for new RPCs on
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				|  |  | -  /// these queues
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				|  |  | -  ///
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				|  |  | -  /// \param min_pollers The minimum number of polling threads per server
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				|  |  | -  /// completion queue (in param sync_server_cqs) to use for listening to
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				|  |  | -  /// incoming requests (used only in case of sync server)
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				|  |  | -  ///
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				|  |  | -  /// \param max_pollers The maximum number of polling threads per server
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				|  |  | -  /// completion queue (in param sync_server_cqs) to use for listening to
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				|  |  | -  /// incoming requests (used only in case of sync server)
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				|  |  | -  ///
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				|  |  | -  /// \param sync_cq_timeout_msec The timeout to use when calling AsyncNext() on
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				|  |  | -  /// server completion queues passed via sync_server_cqs param.
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				|  |  | -  Server(
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				|  |  | -      grpc::ChannelArguments* args,
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				|  |  | -      std::shared_ptr<std::vector<std::unique_ptr<grpc::ServerCompletionQueue>>>
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				|  |  | -          sync_server_cqs,
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				|  |  | -      int min_pollers, int max_pollers, int sync_cq_timeout_msec,
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				|  |  | -      std::vector<
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				|  |  | -          std::shared_ptr<grpc::internal::ExternalConnectionAcceptorImpl>>
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				|  |  | -          acceptors,
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				|  |  | -      grpc_resource_quota* server_rq = nullptr,
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				|  |  | -      std::vector<std::unique_ptr<
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				|  |  | -          grpc::experimental::ServerInterceptorFactoryInterface>>
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				|  |  | -          interceptor_creators = std::vector<std::unique_ptr<
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				|  |  | -              grpc::experimental::ServerInterceptorFactoryInterface>>());
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				|  |  | -
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				|  |  | -  /// Start the server.
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				|  |  | -  ///
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				|  |  | -  /// \param cqs Completion queues for handling asynchronous services. The
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				|  |  | -  /// caller is required to keep all completion queues live until the server is
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				|  |  | -  /// destroyed.
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				|  |  | -  /// \param num_cqs How many completion queues does \a cqs hold.
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				|  |  | -  void Start(grpc::ServerCompletionQueue** cqs, size_t num_cqs) override;
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				|  |  | -
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				|  |  | -  grpc_server* server() override { return server_; }
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				|  |  | -
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				|  |  | - protected:
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				|  |  | -  /// NOTE: This method is not part of the public API for this class.
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				|  |  | -  void set_health_check_service(
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				|  |  | -      std::unique_ptr<grpc::HealthCheckServiceInterface> service) {
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				|  |  | -    health_check_service_ = std::move(service);
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				|  |  | -  }
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				|  |  | -
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				|  |  | -  /// NOTE: This method is not part of the public API for this class.
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				|  |  | -  bool health_check_service_disabled() const {
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				|  |  | -    return health_check_service_disabled_;
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				|  |  | -  }
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				|  |  | -
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				|  |  | - private:
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				|  |  | -  std::vector<
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				|  |  | -      std::unique_ptr<grpc::experimental::ServerInterceptorFactoryInterface>>*
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				|  |  | -  interceptor_creators() override {
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				|  |  | -    return &interceptor_creators_;
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				|  |  | -  }
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				|  |  | -
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				|  |  | -  friend class grpc::AsyncGenericService;
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				|  |  | -  friend class grpc::ServerBuilder;
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				|  |  | -  friend class grpc_impl::ServerInitializer;
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				|  |  | -
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				|  |  | -  class SyncRequest;
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				|  |  | -  class CallbackRequestBase;
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				|  |  | -  template <class ServerContextType>
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				|  |  | -  class CallbackRequest;
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				|  |  | -  class UnimplementedAsyncRequest;
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				|  |  | -  class UnimplementedAsyncResponse;
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				|  |  | -
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				|  |  | -  /// SyncRequestThreadManager is an implementation of ThreadManager. This class
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				|  |  | -  /// is responsible for polling for incoming RPCs and calling the RPC handlers.
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				|  |  | -  /// This is only used in case of a Sync server (i.e a server exposing a sync
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				|  |  | -  /// interface)
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				|  |  | -  class SyncRequestThreadManager;
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				|  |  | -
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				|  |  | -  /// Register a generic service. This call does not take ownership of the
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				|  |  | -  /// service. The service must exist for the lifetime of the Server instance.
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				|  |  | -  void RegisterAsyncGenericService(grpc::AsyncGenericService* service) override;
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				|  |  | -
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				|  |  | -#ifdef GRPC_CALLBACK_API_NONEXPERIMENTAL
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				|  |  | -  /// Register a callback-based generic service. This call does not take
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				|  |  | -  /// ownership of theservice. The service must exist for the lifetime of the
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				|  |  | -  /// Server instance.
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				|  |  | -  void RegisterCallbackGenericService(
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				|  |  | -      grpc::CallbackGenericService* service) override;
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				|  |  | -#else
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				|  |  | -  /// NOTE: class experimental_registration_type is not part of the public API
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				|  |  | -  /// of this class
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				|  |  | -  /// TODO(vjpai): Move these contents to the public API of Server when
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				|  |  | -  ///              they are no longer experimental
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				|  |  | -  class experimental_registration_type final
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				|  |  | -      : public experimental_registration_interface {
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				|  |  | -   public:
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				|  |  | -    explicit experimental_registration_type(Server* server) : server_(server) {}
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				|  |  | -    void RegisterCallbackGenericService(
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				|  |  | -        grpc::experimental::CallbackGenericService* service) override {
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				|  |  | -      server_->RegisterCallbackGenericService(service);
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				|  |  | -    }
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				|  |  | -
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				|  |  | -   private:
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				|  |  | -    Server* server_;
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				|  |  | -  };
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				|  |  | -
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				|  |  | -  /// TODO(vjpai): Mark this override when experimental type above is deleted
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				|  |  | -  void RegisterCallbackGenericService(
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				|  |  | -      grpc::experimental::CallbackGenericService* service);
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				|  |  | -
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				|  |  | -  /// NOTE: The function experimental_registration() is not stable public API.
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				|  |  | -  /// It is a view to the experimental components of this class. It may be
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				|  |  | -  /// changed or removed at any time.
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				|  |  | -  experimental_registration_interface* experimental_registration() override {
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				|  |  | -    return &experimental_registration_;
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				|  |  | -  }
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				|  |  | -#endif
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				|  |  | -
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				|  |  | -  void PerformOpsOnCall(grpc::internal::CallOpSetInterface* ops,
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				|  |  | -                        grpc::internal::Call* call) override;
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				|  |  | -
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				|  |  | -  void ShutdownInternal(gpr_timespec deadline) override;
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				|  |  | -
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				|  |  | -  int max_receive_message_size() const override {
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				|  |  | -    return max_receive_message_size_;
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				|  |  | -  }
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				|  |  | -
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				|  |  | -  grpc::CompletionQueue* CallbackCQ() override;
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				|  |  | -
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				|  |  | -  grpc_impl::ServerInitializer* initializer();
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				|  |  | -
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				|  |  | -  // Functions to manage the server shutdown ref count. Things that increase
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				|  |  | -  // the ref count are the running state of the server (take a ref at start and
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				|  |  | -  // drop it at shutdown) and each running callback RPC.
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				|  |  | -  void Ref();
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				|  |  | -  void UnrefWithPossibleNotify() /* LOCKS_EXCLUDED(mu_) */;
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				|  |  | -  void UnrefAndWaitLocked() /* EXCLUSIVE_LOCKS_REQUIRED(mu_) */;
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				|  |  | -
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				|  |  | -  std::vector<std::shared_ptr<grpc::internal::ExternalConnectionAcceptorImpl>>
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				|  |  | -      acceptors_;
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				|  |  | -
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				|  |  | -  // A vector of interceptor factory objects.
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				|  |  | -  // This should be destroyed after health_check_service_ and this requirement
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				|  |  | -  // is satisfied by declaring interceptor_creators_ before
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				|  |  | -  // health_check_service_. (C++ mandates that member objects be destroyed in
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				|  |  | -  // the reverse order of initialization.)
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				|  |  | -  std::vector<
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				|  |  | -      std::unique_ptr<grpc::experimental::ServerInterceptorFactoryInterface>>
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				|  |  | -      interceptor_creators_;
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				|  |  | -
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				|  |  | -  int max_receive_message_size_;
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				|  |  | -
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				|  |  | -  /// The following completion queues are ONLY used in case of Sync API
 | 
	
		
			
				|  |  | -  /// i.e. if the server has any services with sync methods. The server uses
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				|  |  | -  /// these completion queues to poll for new RPCs
 | 
	
		
			
				|  |  | -  std::shared_ptr<std::vector<std::unique_ptr<grpc::ServerCompletionQueue>>>
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				|  |  | -      sync_server_cqs_;
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				|  |  | -
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				|  |  | -  /// List of \a ThreadManager instances (one for each cq in
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				|  |  | -  /// the \a sync_server_cqs)
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				|  |  | -  std::vector<std::unique_ptr<SyncRequestThreadManager>> sync_req_mgrs_;
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				|  |  | -
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				|  |  | -#ifndef GRPC_CALLBACK_API_NONEXPERIMENTAL
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				|  |  | -  // For registering experimental callback generic service; remove when that
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				|  |  | -  // method longer experimental
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				|  |  | -  experimental_registration_type experimental_registration_{this};
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				|  |  | -#endif
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				|  |  | -
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				|  |  | -  // Server status
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				|  |  | -  grpc::internal::Mutex mu_;
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				|  |  | -  bool started_;
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				|  |  | -  bool shutdown_;
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				|  |  | -  bool shutdown_notified_;  // Was notify called on the shutdown_cv_
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				|  |  | -  grpc::internal::CondVar shutdown_done_cv_;
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				|  |  | -  bool shutdown_done_ = false;
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				|  |  | -  std::atomic_int shutdown_refs_outstanding_{1};
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				|  |  | -
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				|  |  | -  grpc::internal::CondVar shutdown_cv_;
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				|  |  | -
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				|  |  | -  std::shared_ptr<GlobalCallbacks> global_callbacks_;
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				|  |  | -
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				|  |  | -  std::vector<std::string> services_;
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				|  |  | -  bool has_async_generic_service_ = false;
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				|  |  | -  bool has_callback_generic_service_ = false;
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				|  |  | -  bool has_callback_methods_ = false;
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				|  |  | -
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				|  |  | -  // Pointer to the wrapped grpc_server.
 | 
	
		
			
				|  |  | -  grpc_server* server_;
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				|  |  | -
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc_impl::ServerInitializer> server_initializer_;
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				|  |  | -
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc::HealthCheckServiceInterface> health_check_service_;
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				|  |  | -  bool health_check_service_disabled_;
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				|  |  | -
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				|  |  | -  // When appropriate, use a default callback generic service to handle
 | 
	
		
			
				|  |  | -  // unimplemented methods
 | 
	
		
			
				|  |  | -#ifdef GRPC_CALLBACK_API_NONEXPERIMENTAL
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc::CallbackGenericService> unimplemented_service_;
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc::experimental::CallbackGenericService>
 | 
	
		
			
				|  |  | -      unimplemented_service_;
 | 
	
		
			
				|  |  | -#endif
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				|  |  | -
 | 
	
		
			
				|  |  | -  // A special handler for resource exhausted in sync case
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc::internal::MethodHandler> resource_exhausted_handler_;
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				|  |  | -
 | 
	
		
			
				|  |  | -  // Handler for callback generic service, if any
 | 
	
		
			
				|  |  | -  std::unique_ptr<grpc::internal::MethodHandler> generic_handler_;
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				|  |  | -
 | 
	
		
			
				|  |  | -  // callback_cq_ references the callbackable completion queue associated
 | 
	
		
			
				|  |  | -  // with this server (if any). It is set on the first call to CallbackCQ().
 | 
	
		
			
				|  |  | -  // It is _not owned_ by the server; ownership belongs with its internal
 | 
	
		
			
				|  |  | -  // shutdown callback tag (invoked when the CQ is fully shutdown).
 | 
	
		
			
				|  |  | -  grpc::CompletionQueue* callback_cq_ /* GUARDED_BY(mu_) */ = nullptr;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  // List of CQs passed in by user that must be Shutdown only after Server is
 | 
	
		
			
				|  |  | -  // Shutdown.  Even though this is only used with NDEBUG, instantiate it in all
 | 
	
		
			
				|  |  | -  // cases since otherwise the size will be inconsistent.
 | 
	
		
			
				|  |  | -  std::vector<grpc::CompletionQueue*> cq_list_;
 | 
	
		
			
				|  |  | -};
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -}  // namespace grpc_impl
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -#endif  // GRPCPP_SERVER_IMPL_H
 |