IXWebSocket/ixwebsocket/IXExponentialBackoff.cpp

32 lines
876 B
C++

/*
* IXExponentialBackoff.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2017-2019 Machine Zone, Inc. All rights reserved.
*/
#include "IXExponentialBackoff.h"
#include <cmath>
namespace ix
{
uint32_t calculateRetryWaitMilliseconds(uint32_t retryCount,
uint32_t maxWaitBetweenReconnectionRetries,
uint32_t minWaitBetweenReconnectionRetries)
{
uint32_t waitTime = (retryCount < 26) ? (std::pow(2, retryCount) * 100) : 0;
if (waitTime < minWaitBetweenReconnectionRetries)
{
waitTime = minWaitBetweenReconnectionRetries;
}
if (waitTime > maxWaitBetweenReconnectionRetries || waitTime == 0)
{
waitTime = maxWaitBetweenReconnectionRetries;
}
return waitTime;
}
} // namespace ix