mirror of https://github.com/grpc/grpc.git
Merge pull request #17435 from yang-g/health_service_shutdown
Add a Shutdown call to HealthCheckServiceInterfacereviewable/pr16008/r1^2
Yang Gao
6 years ago
committed by
GitHub
commit
b590167cf2
12 changed files with 306 additions and 56 deletions
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/*
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* |
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* Copyright 2018 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 "test/cpp/end2end/test_health_check_service_impl.h" |
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#include <grpc/grpc.h> |
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using grpc::health::v1::HealthCheckRequest; |
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using grpc::health::v1::HealthCheckResponse; |
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namespace grpc { |
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namespace testing { |
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Status HealthCheckServiceImpl::Check(ServerContext* context, |
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const HealthCheckRequest* request, |
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HealthCheckResponse* response) { |
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std::lock_guard<std::mutex> lock(mu_); |
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auto iter = status_map_.find(request->service()); |
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if (iter == status_map_.end()) { |
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return Status(StatusCode::NOT_FOUND, ""); |
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} |
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response->set_status(iter->second); |
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return Status::OK; |
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} |
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Status HealthCheckServiceImpl::Watch( |
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ServerContext* context, const HealthCheckRequest* request, |
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::grpc::ServerWriter<HealthCheckResponse>* writer) { |
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auto last_state = HealthCheckResponse::UNKNOWN; |
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while (!context->IsCancelled()) { |
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{ |
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std::lock_guard<std::mutex> lock(mu_); |
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HealthCheckResponse response; |
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auto iter = status_map_.find(request->service()); |
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if (iter == status_map_.end()) { |
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response.set_status(response.SERVICE_UNKNOWN); |
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} else { |
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response.set_status(iter->second); |
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} |
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if (response.status() != last_state) { |
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writer->Write(response, ::grpc::WriteOptions()); |
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} |
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} |
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gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), |
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gpr_time_from_millis(1000, GPR_TIMESPAN))); |
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} |
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return Status::OK; |
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} |
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void HealthCheckServiceImpl::SetStatus( |
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const grpc::string& service_name, |
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HealthCheckResponse::ServingStatus status) { |
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std::lock_guard<std::mutex> lock(mu_); |
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if (shutdown_) { |
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status = HealthCheckResponse::NOT_SERVING; |
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} |
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status_map_[service_name] = status; |
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} |
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void HealthCheckServiceImpl::SetAll(HealthCheckResponse::ServingStatus status) { |
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std::lock_guard<std::mutex> lock(mu_); |
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if (shutdown_) { |
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return; |
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} |
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for (auto iter = status_map_.begin(); iter != status_map_.end(); ++iter) { |
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iter->second = status; |
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} |
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} |
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void HealthCheckServiceImpl::Shutdown() { |
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std::lock_guard<std::mutex> lock(mu_); |
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if (shutdown_) { |
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return; |
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} |
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shutdown_ = true; |
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for (auto iter = status_map_.begin(); iter != status_map_.end(); ++iter) { |
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iter->second = HealthCheckResponse::NOT_SERVING; |
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} |
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} |
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} // namespace testing
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} // namespace grpc
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@ -0,0 +1,58 @@ |
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/*
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* |
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* Copyright 2018 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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#ifndef GRPC_TEST_CPP_END2END_TEST_HEALTH_CHECK_SERVICE_IMPL_H |
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#define GRPC_TEST_CPP_END2END_TEST_HEALTH_CHECK_SERVICE_IMPL_H |
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#include <map> |
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#include <mutex> |
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#include <grpcpp/server_context.h> |
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#include <grpcpp/support/status.h> |
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#include "src/proto/grpc/health/v1/health.grpc.pb.h" |
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namespace grpc { |
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namespace testing { |
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// A sample sync implementation of the health checking service. This does the
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// same thing as the default one.
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class HealthCheckServiceImpl : public health::v1::Health::Service { |
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public: |
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Status Check(ServerContext* context, |
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const health::v1::HealthCheckRequest* request, |
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health::v1::HealthCheckResponse* response) override; |
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Status Watch(ServerContext* context, |
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const health::v1::HealthCheckRequest* request, |
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ServerWriter<health::v1::HealthCheckResponse>* writer) override; |
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void SetStatus(const grpc::string& service_name, |
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health::v1::HealthCheckResponse::ServingStatus status); |
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void SetAll(health::v1::HealthCheckResponse::ServingStatus status); |
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void Shutdown(); |
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private: |
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std::mutex mu_; |
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bool shutdown_ = false; |
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std::map<const grpc::string, health::v1::HealthCheckResponse::ServingStatus> |
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status_map_; |
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}; |
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} // namespace testing
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} // namespace grpc
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#endif // GRPC_TEST_CPP_END2END_TEST_HEALTH_CHECK_SERVICE_IMPL_H
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