mirror of
https://github.com/nestriness/cdc-file-transfer.git
synced 2026-01-30 10:25:37 +02:00
90717ce670
Implements cdc_stream stop-service. Also fixes an issue in the BackgroundService implementation where Exit() would deadlock since server shutdown waits for all RPCs to exit.
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
// Copyright 2022 Google LLC
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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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#include "cdc_stream/background_service_impl.h"
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#include "common/grpc_status.h"
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#include "common/log.h"
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#include "common/util.h"
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#include "grpcpp/grpcpp.h"
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namespace cdc_ft {
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BackgroundServiceImpl::BackgroundServiceImpl() {}
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BackgroundServiceImpl::~BackgroundServiceImpl() {
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if (exit_thread_) {
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exit_thread_->join();
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exit_thread_.reset();
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}
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}
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void BackgroundServiceImpl::SetExitCallback(ExitCallback exit_callback) {
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exit_callback_ = std::move(exit_callback);
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}
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grpc::Status BackgroundServiceImpl::Exit(grpc::ServerContext* context,
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const EmptyProto* request,
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EmptyProto* response) {
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LOG_INFO("RPC:Exit");
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if (exit_callback_ && !exit_thread_) {
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// Fire up a thread so call the callback, since shutting down a server
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// won't finish until all RPCs are done.
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exit_thread_ =
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std::make_unique<std::thread>([cb = &exit_callback_]() { (*cb)(); });
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}
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return grpc::Status::OK;
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}
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grpc::Status BackgroundServiceImpl::GetPid(grpc::ServerContext* context,
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const EmptyProto* request,
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GetPidResponse* response) {
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LOG_INFO("RPC:GetPid");
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response->set_pid(static_cast<int32_t>(Util::GetPid()));
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return grpc::Status::OK;
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}
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grpc::Status BackgroundServiceImpl::HealthCheck(grpc::ServerContext* context,
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const EmptyProto* request,
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EmptyProto* response) {
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return grpc::Status::OK;
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}
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} // namespace cdc_ft
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