Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #ifndef GRPCXX_IMPL_SERVICE_TYPE_H
      35             : #define GRPCXX_IMPL_SERVICE_TYPE_H
      36             : 
      37             : #include <grpc++/impl/serialization_traits.h>
      38             : #include <grpc++/server.h>
      39             : #include <grpc++/support/config.h>
      40             : #include <grpc++/support/status.h>
      41             : 
      42             : namespace grpc {
      43             : 
      44             : class Call;
      45             : class CompletionQueue;
      46             : class RpcService;
      47             : class Server;
      48             : class ServerCompletionQueue;
      49             : class ServerContext;
      50             : 
      51         298 : class SynchronousService {
      52             :  public:
      53         298 :   virtual ~SynchronousService() {}
      54             :   virtual RpcService* service() = 0;
      55             : };
      56             : 
      57     2410655 : class ServerAsyncStreamingInterface {
      58             :  public:
      59     1245279 :   virtual ~ServerAsyncStreamingInterface() {}
      60             : 
      61             :   virtual void SendInitialMetadata(void* tag) = 0;
      62             : 
      63             :  private:
      64             :   friend class Server;
      65             :   virtual void BindCall(Call* call) = 0;
      66             : };
      67             : 
      68             : class AsynchronousService {
      69             :  public:
      70          30 :   AsynchronousService(const char** method_names, size_t method_count)
      71             :       : server_(nullptr),
      72             :         method_names_(method_names),
      73             :         method_count_(method_count),
      74          30 :         request_args_(nullptr) {}
      75             : 
      76          30 :   ~AsynchronousService() { delete[] request_args_; }
      77             : 
      78             :  protected:
      79             :   template <class Message>
      80     1180638 :   void RequestAsyncUnary(int index, ServerContext* context, Message* request,
      81             :                          ServerAsyncStreamingInterface* stream,
      82             :                          CompletionQueue* call_cq,
      83             :                          ServerCompletionQueue* notification_cq, void* tag) {
      84     1180638 :     server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
      85             :                               notification_cq, tag, request);
      86     1180630 :   }
      87           2 :   void RequestClientStreaming(int index, ServerContext* context,
      88             :                               ServerAsyncStreamingInterface* stream,
      89             :                               CompletionQueue* call_cq,
      90             :                               ServerCompletionQueue* notification_cq,
      91             :                               void* tag) {
      92           2 :     server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
      93           2 :                               notification_cq, tag);
      94           2 :   }
      95             :   template <class Message>
      96           2 :   void RequestServerStreaming(int index, ServerContext* context,
      97             :                               Message* request,
      98             :                               ServerAsyncStreamingInterface* stream,
      99             :                               CompletionQueue* call_cq,
     100             :                               ServerCompletionQueue* notification_cq,
     101             :                               void* tag) {
     102           2 :     server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
     103             :                               notification_cq, tag, request);
     104           2 :   }
     105       65057 :   void RequestBidiStreaming(int index, ServerContext* context,
     106             :                             ServerAsyncStreamingInterface* stream,
     107             :                             CompletionQueue* call_cq,
     108             :                             ServerCompletionQueue* notification_cq, void* tag) {
     109       65057 :     server_->RequestAsyncCall(request_args_[index], context, stream, call_cq,
     110       65057 :                               notification_cq, tag);
     111       65258 :   }
     112             : 
     113             :  private:
     114             :   friend class Server;
     115             :   Server* server_;
     116             :   const char** const method_names_;
     117             :   size_t method_count_;
     118             :   void** request_args_;
     119             : };
     120             : 
     121             : }  // namespace grpc
     122             : 
     123             : #endif  // GRPCXX_IMPL_SERVICE_TYPE_H