mindspore2022/mindspore/ccsrc/ps/server/iteration_timer.cc

57 lines
1.6 KiB
C++

/**
* Copyright 2021 Huawei Technologies Co., Ltd
*
* 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 "ps/server/iteration_timer.h"
namespace mindspore {
namespace ps {
namespace server {
void IterationTimer::Start(const std::chrono::milliseconds &duration) {
if (running_.load()) {
MS_LOG(WARNING) << "The timer already started.";
return;
}
running_ = true;
end_time_ = CURRENT_TIME_MILLI + duration;
monitor_thread_ = std::thread([&]() {
while (running_.load()) {
if (CURRENT_TIME_MILLI > end_time_) {
timeout_callback_();
running_ = false;
}
// The time tick is 1 millisecond.
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
});
monitor_thread_.detach();
}
void IterationTimer::Stop() { running_ = false; }
void IterationTimer::SetTimeOutCallBack(const TimeOutCb &timeout_cb) {
timeout_callback_ = timeout_cb;
return;
}
bool IterationTimer::IsTimeOut(const std::chrono::milliseconds &timestamp) {
return timestamp > end_time_ ? true : false;
}
bool IterationTimer::IsRunning() { return running_; }
} // namespace server
} // namespace ps
} // namespace mindspore