danicoin/src/CryptoNoteCore/OnceInInterval.h
2016-01-18 15:33:29 +00:00

37 lines
712 B
C++

// Copyright (c) 2011-2016 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <time.h>
namespace CryptoNote
{
class OnceInInterval {
public:
OnceInInterval(unsigned interval, bool startNow = true)
: m_interval(interval), m_lastCalled(startNow ? 0 : time(nullptr)) {}
template<class F>
bool call(F func) {
time_t currentTime = time(nullptr);
if (currentTime - m_lastCalled > m_interval) {
bool res = func();
time(&m_lastCalled);
return res;
}
return true;
}
private:
time_t m_lastCalled;
time_t m_interval;
};
}