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/*
*
* 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
#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
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