| /* |
| * |
| * 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_IMPL_CODEGEN_RPC_SERVICE_METHOD_H |
| #define GRPCXX_IMPL_CODEGEN_RPC_SERVICE_METHOD_H |
| |
| #include <climits> |
| #include <functional> |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include <grpc/impl/codegen/byte_buffer.h> |
| #include <grpc++/impl/codegen/config.h> |
| #include <grpc++/impl/codegen/rpc_method.h> |
| #include <grpc++/impl/codegen/status.h> |
| |
| namespace grpc { |
| class ServerContext; |
| class StreamContextInterface; |
| |
| // Base class for running an RPC handler. |
| class MethodHandler { |
| public: |
| virtual ~MethodHandler() {} |
| struct HandlerParameter { |
| HandlerParameter(Call* c, ServerContext* context, grpc_byte_buffer* req, |
| int max_size) |
| : call(c), |
| server_context(context), |
| request(req), |
| max_message_size(max_size) {} |
| Call* call; |
| ServerContext* server_context; |
| // Handler required to grpc_byte_buffer_destroy this |
| grpc_byte_buffer* request; |
| int max_message_size; |
| }; |
| virtual void RunHandler(const HandlerParameter& param) = 0; |
| }; |
| |
| // Server side rpc method class |
| class RpcServiceMethod : public RpcMethod { |
| public: |
| // Takes ownership of the handler |
| RpcServiceMethod(const char* name, RpcMethod::RpcType type, |
| MethodHandler* handler) |
| : RpcMethod(name, type), server_tag_(nullptr), handler_(handler) {} |
| |
| void set_server_tag(void* tag) { server_tag_ = tag; } |
| void* server_tag() const { return server_tag_; } |
| // if MethodHandler is nullptr, then this is an async method |
| MethodHandler* handler() const { return handler_.get(); } |
| void ResetHandler() { handler_.reset(); } |
| |
| private: |
| void* server_tag_; |
| std::unique_ptr<MethodHandler> handler_; |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCXX_IMPL_CODEGEN_RPC_SERVICE_METHOD_H |