/* * * Copyright 2019 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ #ifndef GRPCPP_IMPL_CODEGEN_DELEGATING_CHANNEL_H #define GRPCPP_IMPL_CODEGEN_DELEGATING_CHANNEL_H // IWYU pragma: private #include <memory> #include <grpcpp/impl/codegen/channel_interface.h> namespace grpc { namespace experimental { class DelegatingChannel : public grpc::ChannelInterface { public: ~DelegatingChannel() override {} explicit DelegatingChannel( std::shared_ptr<grpc::ChannelInterface> delegate_channel) : delegate_channel_(delegate_channel) {} grpc_connectivity_state GetState(bool try_to_connect) override { return delegate_channel()->GetState(try_to_connect); } std::shared_ptr<grpc::ChannelInterface> delegate_channel() { return delegate_channel_; } private: internal::Call CreateCall(const internal::RpcMethod& method, ClientContext* context, grpc::CompletionQueue* cq) final { return delegate_channel()->CreateCall(method, context, cq); } void PerformOpsOnCall(internal::CallOpSetInterface* ops, internal::Call* call) final { delegate_channel()->PerformOpsOnCall(ops, call); } void* RegisterMethod(const char* method) final { return delegate_channel()->RegisterMethod(method); } void NotifyOnStateChangeImpl(grpc_connectivity_state last_observed, gpr_timespec deadline, grpc::CompletionQueue* cq, void* tag) override { delegate_channel()->NotifyOnStateChangeImpl(last_observed, deadline, cq, tag); } bool WaitForStateChangeImpl(grpc_connectivity_state last_observed, gpr_timespec deadline) override { return delegate_channel()->WaitForStateChangeImpl(last_observed, deadline); } internal::Call CreateCallInternal(const internal::RpcMethod& method, ClientContext* context, grpc::CompletionQueue* cq, size_t interceptor_pos) final { return delegate_channel()->CreateCallInternal(method, context, cq, interceptor_pos); } grpc::CompletionQueue* CallbackCQ() final { return delegate_channel()->CallbackCQ(); } std::shared_ptr<grpc::ChannelInterface> delegate_channel_; }; } // namespace experimental } // namespace grpc #endif // GRPCPP_IMPL_CODEGEN_DELEGATING_CHANNEL_H