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collector.cpp
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collector.cpp
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// Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// 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 "collector/collector.hpp"
#include <mutex>
#include <sstream>
#include <string>
#include "moving_average_statistics/moving_average.hpp"
#include "moving_average_statistics/types.hpp"
namespace collector
{
bool Collector::Start()
{
std::unique_lock<std::mutex> ulock{mutex_};
if (started_) {
return false;
}
started_ = true;
return SetupStart();
}
bool Collector::Stop()
{
bool ret = false;
{
std::unique_lock<std::mutex> ulock{mutex_};
if (!started_) {
return false;
}
started_ = false;
ret = SetupStop();
}
ClearCurrentMeasurements();
return ret;
}
void Collector::AcceptData(const double measurement)
{
collected_data_.AddMeasurement(measurement);
}
moving_average_statistics::StatisticData Collector::GetStatisticsResults() const
{
return collected_data_.GetStatistics();
}
void Collector::ClearCurrentMeasurements()
{
collected_data_.Reset();
}
bool Collector::IsStarted() const
{
std::unique_lock<std::mutex> ulock{mutex_};
return started_;
}
std::string Collector::GetStatusString() const
{
std::stringstream ss;
ss << "started=" << (IsStarted() ? "true" : "false") <<
", " << StatisticsDataToString(GetStatisticsResults());
return ss.str();
}
} // namespace collector