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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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last_state = response.status();
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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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