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/* $OpenBSD: timer.c,v 1.1 2016/07/19 16:54:26 reyk Exp $ */ |
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/* |
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* Copyright (c) 2010-2016 Reyk Floeter <reyk@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/queue.h> |
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#include <sys/socket.h> |
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#include <sys/uio.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <ctype.h> |
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#include <event.h> |
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#include "switchd.h" |
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void timer_callback(int, short, void *); |
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void |
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timer_set(struct switchd *sc, struct timer *tmr, |
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void (*cb)(struct switchd *, void *), void *arg) |
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{ |
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tmr->tmr_sc = sc; |
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tmr->tmr_cb = cb; |
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tmr->tmr_cbarg = arg; |
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evtimer_set(&tmr->tmr_ev, timer_callback, tmr); |
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} |
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void |
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timer_add(struct switchd *sc, struct timer *tmr, int timeout) |
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{ |
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struct timeval tv = { timeout }; |
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if (evtimer_initialized(&tmr->tmr_ev) && |
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evtimer_pending(&tmr->tmr_ev, NULL)) |
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evtimer_del(&tmr->tmr_ev); |
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evtimer_add(&tmr->tmr_ev, &tv); |
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} |
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void |
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timer_del(struct switchd *sc, struct timer *tmr) |
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{ |
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if (tmr->tmr_sc == sc && tmr->tmr_cb && |
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evtimer_initialized(&tmr->tmr_ev)) |
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evtimer_del(&tmr->tmr_ev); |
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} |
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void |
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timer_callback(int fd, short event, void *arg) |
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{ |
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struct timer *tmr = arg; |
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if (tmr->tmr_cb) |
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tmr->tmr_cb(tmr->tmr_sc, tmr->tmr_cbarg); |
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} |