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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 "ServiceThread.h"
#include "Logging.h"
#include "UtilAll.h"
namespace rocketmq {
void ServiceThread::start() {
LOG_INFO_NEW("Try to start service thread:{} started:{} lastThread:{}", getServiceName(), started_.load(),
(void*)thread_.get());
bool expected = false;
if (!started_.compare_exchange_strong(expected, true)) {
return;
}
stopped_ = false;
thread_.reset(new thread(getServiceName(), &ServiceThread::run, this));
thread_->start();
}
void ServiceThread::shutdown() {
LOG_INFO_NEW("Try to shutdown service thread:{} started:{} lastThread:{}", getServiceName(), started_.load(),
(void*)thread_.get());
bool expected = true;
if (!started_.compare_exchange_strong(expected, false)) {
return;
}
stopped_ = true;
LOG_INFO_NEW("shutdown thread {}", getServiceName());
wakeup();
int64_t beginTime = UtilAll::currentTimeMillis();
thread_->join();
int64_t elapsedTime = UtilAll::currentTimeMillis() - beginTime;
LOG_INFO_NEW("join thread {} elapsed time(ms) {}", getServiceName(), elapsedTime);
}
void ServiceThread::wakeup() {
bool expected = false;
if (has_notified_.compare_exchange_strong(expected, true)) {
wait_point_.count_down(); // notify
}
}
void ServiceThread::waitForRunning(long interval) {
bool expected = true;
if (has_notified_.compare_exchange_strong(expected, false)) {
onWaitEnd();
return;
}
// entry to wait
wait_point_.reset();
try {
wait_point_.wait(interval, time_unit::milliseconds);
} catch (const std::exception& e) {
LOG_WARN_NEW("encounter unexpected exception: {}", e.what());
}
has_notified_.store(false);
onWaitEnd();
}
void ServiceThread::onWaitEnd() {}
bool ServiceThread::isStopped() {
return stopped_;
};
} // namespace rocketmq