The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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96 lines
3.8 KiB
96 lines
3.8 KiB
/* |
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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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#include <functional> |
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#include <grpcpp/generic/generic_stub.h> |
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#include <grpcpp/impl/rpc_method.h> |
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#include <grpcpp/support/client_callback.h> |
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namespace grpc_impl { |
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namespace { |
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std::unique_ptr<grpc::GenericClientAsyncReaderWriter> CallInternal( |
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grpc::ChannelInterface* channel, grpc::ClientContext* context, |
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const grpc::string& method, grpc::CompletionQueue* cq, bool start, |
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void* tag) { |
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return std::unique_ptr<grpc::GenericClientAsyncReaderWriter>( |
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grpc::internal::ClientAsyncReaderWriterFactory<grpc::ByteBuffer, |
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grpc::ByteBuffer>:: |
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Create(channel, cq, |
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grpc::internal::RpcMethod( |
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method.c_str(), grpc::internal::RpcMethod::BIDI_STREAMING), |
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context, start, tag)); |
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} |
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} // namespace |
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// begin a call to a named method |
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std::unique_ptr<grpc::GenericClientAsyncReaderWriter> GenericStub::Call( |
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grpc::ClientContext* context, const grpc::string& method, |
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grpc::CompletionQueue* cq, void* tag) { |
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return CallInternal(channel_.get(), context, method, cq, true, tag); |
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} |
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// setup a call to a named method |
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std::unique_ptr<grpc::GenericClientAsyncReaderWriter> GenericStub::PrepareCall( |
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grpc::ClientContext* context, const grpc::string& method, |
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grpc::CompletionQueue* cq) { |
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return CallInternal(channel_.get(), context, method, cq, false, nullptr); |
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} |
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// setup a unary call to a named method |
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std::unique_ptr<grpc::GenericClientAsyncResponseReader> |
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GenericStub::PrepareUnaryCall(grpc::ClientContext* context, |
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const grpc::string& method, |
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const grpc::ByteBuffer& request, |
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grpc::CompletionQueue* cq) { |
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return std::unique_ptr<grpc::GenericClientAsyncResponseReader>( |
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grpc::internal::ClientAsyncResponseReaderFactory< |
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grpc::ByteBuffer>::Create(channel_.get(), cq, |
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grpc::internal::RpcMethod( |
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method.c_str(), |
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grpc::internal::RpcMethod::NORMAL_RPC), |
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context, request, false)); |
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} |
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void GenericStub::experimental_type::UnaryCall( |
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grpc::ClientContext* context, const grpc::string& method, |
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const grpc::ByteBuffer* request, grpc::ByteBuffer* response, |
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std::function<void(grpc::Status)> on_completion) { |
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grpc::internal::CallbackUnaryCall( |
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stub_->channel_.get(), |
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grpc::internal::RpcMethod(method.c_str(), |
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grpc::internal::RpcMethod::NORMAL_RPC), |
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context, request, response, std::move(on_completion)); |
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} |
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void GenericStub::experimental_type::PrepareBidiStreamingCall( |
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grpc::ClientContext* context, const grpc::string& method, |
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grpc::experimental::ClientBidiReactor<grpc::ByteBuffer, grpc::ByteBuffer>* |
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reactor) { |
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grpc::internal::ClientCallbackReaderWriterFactory< |
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grpc::ByteBuffer, |
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grpc::ByteBuffer>::Create(stub_->channel_.get(), |
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grpc::internal::RpcMethod( |
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method.c_str(), |
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grpc::internal::RpcMethod::BIDI_STREAMING), |
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context, reactor); |
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} |
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} // namespace grpc_impl
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