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Copy pathFdTimer.cpp
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87 lines (70 loc) · 1.7 KB
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/*
* UvFdTimer.cpp
*
* Created on: Nov 25, 2016
* Author: netmind
*/
#ifdef __linux
#include "uvcpplog.h"
#include <sys/timerfd.h>
#include "FdTimer.h"
#define RAWH() ((uv_idle_t*)getRawHandle())
#define GETOBJH(H) ((UvIdle*)(((HandleHolder*)H->data))->uvh)
namespace uvcpp {
FdTimer::FdTimer() {
_fireCount = 0;
_fd = -1;
}
FdTimer::~FdTimer() {
}
void FdTimer::startUsec(uint64_t expire_us, uint64_t period_usec, Lis lis) {
_lis = lis;
mTimerSpec.it_interval.tv_sec = period_usec / 1000000;
mTimerSpec.it_interval.tv_nsec = (period_usec % 1000000) * 1000;
mTimerSpec.it_value.tv_sec = expire_us / 1000000;
mTimerSpec.it_value.tv_nsec = (expire_us % 1000000) * 1000;
timerfd_settime(_fd, 0, &mTimerSpec, NULL);
auto ret = UvPoll::start(UV_READABLE, [&](int events) {
int rcnt = read(_fd, &_fireCount, sizeof(_fireCount));
_lis();
});
assert(!ret);
}
void FdTimer::start(uint64_t expire, uint64_t period, Lis lis) {
startUsec(expire * 1000, period * 1000, lis);
}
void FdTimer::again() {
pause();
resume();
}
void FdTimer::stop(bool isclose) {
if(_fd>=0) {
UvPoll::stop(isclose);
::close(_fd);
_fd = -1;
}
}
void FdTimer::pause(void) {
struct itimerspec ts;
memset(&ts, 0, sizeof(ts));
timerfd_settime(_fd, 0, &ts, NULL);
}
void FdTimer::resume(void) {
timerfd_settime(_fd, 0, &mTimerSpec, NULL);
}
uint64_t FdTimer::getFireCount() {
return _fireCount;
}
int FdTimer::init() {
_fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
uld("timerfd create fd=%d", _fd);
return UvPoll::init(_fd);
}
void FdTimer::close(UvHandle::CloseLis lis) {
if(_fd>=0) {
UvPoll::close(lis);
::close(_fd); _fd=-1;
}
}
}
#endif // __linux