mirror of https://github.com/haiwen/seafile
92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#include <event2/event.h>
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#include <event2/event_compat.h>
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#include <event2/event_struct.h>
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#else
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#include <event.h>
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#endif
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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include "seafile-session.h"
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#include "utils.h"
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#include "timer.h"
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struct SeafTimer
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{
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struct event *event;
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struct timeval tv;
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TimerCB func;
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void *user_data;
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uint8_t in_callback;
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};
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static void
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timer_callback (evutil_socket_t fd, short event, void *vtimer)
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{
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int more;
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struct SeafTimer *timer = vtimer;
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timer->in_callback = 1;
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more = (*timer->func) (timer->user_data);
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timer->in_callback = 0;
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if (more)
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evtimer_add (timer->event, &timer->tv);
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else
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seaf_timer_free (&timer);
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}
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void
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seaf_timer_free (SeafTimer **ptimer)
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{
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SeafTimer *timer;
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/* zero out the argument passed in */
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g_return_if_fail (ptimer);
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timer = *ptimer;
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*ptimer = NULL;
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/* destroy the timer directly or via the command queue */
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if (timer && !timer->in_callback)
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{
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event_del (timer->event);
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event_free (timer->event);
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g_free (timer);
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}
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}
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struct timeval
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timeval_from_msec (uint64_t milliseconds)
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{
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struct timeval ret;
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const uint64_t microseconds = milliseconds * 1000;
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ret.tv_sec = microseconds / 1000000;
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ret.tv_usec = microseconds % 1000000;
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return ret;
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}
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SeafTimer*
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seaf_timer_new (TimerCB func,
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void *user_data,
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uint64_t interval_milliseconds)
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{
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SeafTimer *timer = g_new0 (SeafTimer, 1);
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timer->tv = timeval_from_msec (interval_milliseconds);
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timer->func = func;
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timer->user_data = user_data;
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timer->event = evtimer_new (seaf->ev_base, timer_callback, timer);
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evtimer_add (timer->event, &timer->tv);
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return timer;
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}
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