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869dada534
These were disabled by default and not used by a long time. Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/*********************************************************************
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* Copyright 2017-2018 Network Device Education Foundation, Inc. ("NetDEF")
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* event.c: implements the BFD loop event handlers.
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*
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* Authors
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* -------
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* Rafael Zalamena <rzalamena@opensourcerouting.org>
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*/
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#include <zebra.h>
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#include "bfd.h"
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void tv_normalize(struct timeval *tv);
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void tv_normalize(struct timeval *tv)
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{
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/* Remove seconds part from microseconds. */
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tv->tv_sec = tv->tv_usec / 1000000;
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tv->tv_usec = tv->tv_usec % 1000000;
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}
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void bfd_recvtimer_update(struct bfd_session *bs)
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{
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struct timeval tv = {.tv_sec = 0, .tv_usec = bs->detect_TO};
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/* Remove previous schedule if any. */
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bfd_recvtimer_delete(bs);
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/* Don't add event if peer is deactivated. */
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if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN) ||
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bs->sock == -1)
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return;
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tv_normalize(&tv);
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thread_add_timer_tv(master, bfd_recvtimer_cb, bs, &tv,
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&bs->recvtimer_ev);
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}
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void bfd_echo_recvtimer_update(struct bfd_session *bs)
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{
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struct timeval tv = {.tv_sec = 0, .tv_usec = bs->echo_detect_TO};
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/* Remove previous schedule if any. */
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bfd_echo_recvtimer_delete(bs);
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/* Don't add event if peer is deactivated. */
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if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN) ||
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bs->sock == -1)
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return;
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tv_normalize(&tv);
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thread_add_timer_tv(master, bfd_echo_recvtimer_cb, bs, &tv,
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&bs->echo_recvtimer_ev);
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}
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void bfd_xmttimer_update(struct bfd_session *bs, uint64_t jitter)
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{
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struct timeval tv = {.tv_sec = 0, .tv_usec = jitter};
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/* Remove previous schedule if any. */
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bfd_xmttimer_delete(bs);
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/* Don't add event if peer is deactivated. */
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if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN) ||
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bs->sock == -1)
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return;
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tv_normalize(&tv);
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thread_add_timer_tv(master, bfd_xmt_cb, bs, &tv, &bs->xmttimer_ev);
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}
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void bfd_echo_xmttimer_update(struct bfd_session *bs, uint64_t jitter)
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{
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struct timeval tv = {.tv_sec = 0, .tv_usec = jitter};
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/* Remove previous schedule if any. */
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bfd_echo_xmttimer_delete(bs);
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/* Don't add event if peer is deactivated. */
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if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN) ||
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bs->sock == -1)
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return;
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tv_normalize(&tv);
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thread_add_timer_tv(master, bfd_echo_xmt_cb, bs, &tv,
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&bs->echo_xmttimer_ev);
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}
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void bfd_recvtimer_delete(struct bfd_session *bs)
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{
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THREAD_OFF(bs->recvtimer_ev);
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}
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void bfd_echo_recvtimer_delete(struct bfd_session *bs)
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{
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THREAD_OFF(bs->echo_recvtimer_ev);
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}
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void bfd_xmttimer_delete(struct bfd_session *bs)
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{
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THREAD_OFF(bs->xmttimer_ev);
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}
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void bfd_echo_xmttimer_delete(struct bfd_session *bs)
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{
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THREAD_OFF(bs->echo_xmttimer_ev);
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}
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