| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPCXX_IMPL_SERVICE_TYPE_H |
| #define GRPCXX_IMPL_SERVICE_TYPE_H |
| |
| #include <grpc++/config.h> |
| |
| namespace grpc { |
| |
| class Call; |
| class RpcService; |
| class Server; |
| class ServerContext; |
| class Status; |
| |
| class SynchronousService { |
| public: |
| virtual ~SynchronousService() {} |
| virtual RpcService* service() = 0; |
| }; |
| |
| class ServerAsyncStreamingInterface { |
| public: |
| virtual ~ServerAsyncStreamingInterface() {} |
| |
| virtual void SendInitialMetadata(void* tag) = 0; |
| |
| private: |
| friend class Server; |
| virtual void BindCall(Call* call) = 0; |
| }; |
| |
| class AsynchronousService { |
| public: |
| // this is Server, but in disguise to avoid a link dependency |
| class DispatchImpl { |
| public: |
| virtual void RequestAsyncCall(void* registered_method, |
| ServerContext* context, |
| ::grpc::protobuf::Message* request, |
| ServerAsyncStreamingInterface* stream, |
| CompletionQueue* cq, void* tag) = 0; |
| }; |
| |
| AsynchronousService(CompletionQueue* cq, const char** method_names, |
| size_t method_count) |
| : cq_(cq), |
| dispatch_impl_(nullptr), |
| method_names_(method_names), |
| method_count_(method_count), |
| request_args_(nullptr) {} |
| |
| ~AsynchronousService() { delete[] request_args_; } |
| |
| CompletionQueue* completion_queue() const { return cq_; } |
| |
| protected: |
| void RequestAsyncUnary(int index, ServerContext* context, |
| grpc::protobuf::Message* request, |
| ServerAsyncStreamingInterface* stream, |
| CompletionQueue* cq, void* tag) { |
| dispatch_impl_->RequestAsyncCall(request_args_[index], context, request, |
| stream, cq, tag); |
| } |
| void RequestClientStreaming(int index, ServerContext* context, |
| ServerAsyncStreamingInterface* stream, |
| CompletionQueue* cq, void* tag) { |
| dispatch_impl_->RequestAsyncCall(request_args_[index], context, nullptr, |
| stream, cq, tag); |
| } |
| void RequestServerStreaming(int index, ServerContext* context, |
| grpc::protobuf::Message* request, |
| ServerAsyncStreamingInterface* stream, |
| CompletionQueue* cq, void* tag) { |
| dispatch_impl_->RequestAsyncCall(request_args_[index], context, request, |
| stream, cq, tag); |
| } |
| void RequestBidiStreaming(int index, ServerContext* context, |
| ServerAsyncStreamingInterface* stream, |
| CompletionQueue* cq, void* tag) { |
| dispatch_impl_->RequestAsyncCall(request_args_[index], context, nullptr, |
| stream, cq, tag); |
| } |
| |
| private: |
| friend class Server; |
| CompletionQueue* const cq_; |
| DispatchImpl* dispatch_impl_; |
| const char** const method_names_; |
| size_t method_count_; |
| void** request_args_; |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCXX_IMPL_SERVICE_TYPE_H |