#include "PeriodicTask.h"

using std::function;
using std::cerr;
using std::endl;

namespace blockstore {
namespace caching {

PeriodicTask::PeriodicTask(function<void ()> task, double intervalSec) : _thread(), _task(task), _intervalSec(intervalSec) {
  _thread = boost::thread([this]() {
	boost::chrono::nanoseconds interval((uint64_t)(UINT64_C(1000000000) * _intervalSec));
	try {
      while(true) {
        boost::this_thread::sleep_for(interval);
        _task();
      }
	} catch (const boost::thread_interrupted &e) {
	  //Do nothing, exit thread.
	} catch (...) {
	  cerr << "PeriodicTask crashed" << endl;
	}
  });
}

PeriodicTask::~PeriodicTask() {
  _thread.interrupt();
  _thread.join();
}

}
}