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/*
*
* Copyright 2018 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.
*
*/
#include "test/cpp/end2end/test_health_check_service_impl.h"
#include <grpc/grpc.h>
using grpc::health::v1::HealthCheckRequest;
using grpc::health::v1::HealthCheckResponse;
namespace grpc {
namespace testing {
Status HealthCheckServiceImpl::Check(ServerContext* context,
const HealthCheckRequest* request,
HealthCheckResponse* response) {
std::lock_guard<std::mutex> lock(mu_);
auto iter = status_map_.find(request->service());
if (iter == status_map_.end()) {
return Status(StatusCode::NOT_FOUND, "");
}
response->set_status(iter->second);
return Status::OK;
}
Status HealthCheckServiceImpl::Watch(
ServerContext* context, const HealthCheckRequest* request,
::grpc::ServerWriter<HealthCheckResponse>* writer) {
auto last_state = HealthCheckResponse::UNKNOWN;
while (!context->IsCancelled()) {
{
std::lock_guard<std::mutex> lock(mu_);
HealthCheckResponse response;
auto iter = status_map_.find(request->service());
if (iter == status_map_.end()) {
response.set_status(response.SERVICE_UNKNOWN);
} else {
response.set_status(iter->second);
}
if (response.status() != last_state) {
writer->Write(response, ::grpc::WriteOptions());
}
}
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
gpr_time_from_millis(1000, GPR_TIMESPAN)));
}
return Status::OK;
}
void HealthCheckServiceImpl::SetStatus(
const grpc::string& service_name,
HealthCheckResponse::ServingStatus status) {
std::lock_guard<std::mutex> lock(mu_);
if (shutdown_) {
status = HealthCheckResponse::NOT_SERVING;
}
status_map_[service_name] = status;
}
void HealthCheckServiceImpl::SetAll(HealthCheckResponse::ServingStatus status) {
std::lock_guard<std::mutex> lock(mu_);
if (shutdown_) {
return;
}
for (auto iter = status_map_.begin(); iter != status_map_.end(); ++iter) {
iter->second = status;
}
}
void HealthCheckServiceImpl::Shutdown() {
std::lock_guard<std::mutex> lock(mu_);
if (shutdown_) {
return;
}
shutdown_ = true;
for (auto iter = status_map_.begin(); iter != status_map_.end(); ++iter) {
iter->second = HealthCheckResponse::NOT_SERVING;
}
}
} // namespace testing
} // namespace grpc
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