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zebra: gracefully shutdown fpm module

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Lets stop and free all resources before shutting down.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2020-04-17 12:18:24 -03:00
parent 6ba8db2186
commit 98a8750481
1 changed files with 38 additions and 4 deletions
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42
zebra/dplane_fpm_nl.c
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@ -1026,16 +1026,50 @@ static int fpm_nl_start(struct zebra_dplane_provider *prov)
return 0; return 0;
} }
static int fpm_nl_finish_early(struct fpm_nl_ctx *fnc)
{
/* Disable all events and close socket. */
THREAD_OFF(fnc->t_ribreset);
THREAD_OFF(fnc->t_ribwalk);
THREAD_OFF(fnc->t_rmacreset);
THREAD_OFF(fnc->t_rmacwalk);
thread_cancel_async(fnc->fthread->master, &fnc->t_read, NULL);
thread_cancel_async(fnc->fthread->master, &fnc->t_write, NULL);
thread_cancel_async(fnc->fthread->master, &fnc->t_connect, NULL);
if (fnc->socket != -1) {
close(fnc->socket);
fnc->socket = -1;
}
return 0;
}
static int fpm_nl_finish_late(struct fpm_nl_ctx *fnc)
{
/* Stop the running thread. */
frr_pthread_stop(fnc->fthread, NULL);
/* Free all allocated resources. */
pthread_mutex_destroy(&fnc->obuf_mutex);
pthread_mutex_destroy(&fnc->ctxqueue_mutex);
stream_free(fnc->ibuf);
stream_free(fnc->obuf);
free(gfnc);
gfnc = NULL;
return 0;
}
static int fpm_nl_finish(struct zebra_dplane_provider *prov, bool early) static int fpm_nl_finish(struct zebra_dplane_provider *prov, bool early)
{ {
struct fpm_nl_ctx *fnc; struct fpm_nl_ctx *fnc;
fnc = dplane_provider_get_data(prov); fnc = dplane_provider_get_data(prov);
stream_free(fnc->ibuf); if (early)
stream_free(fnc->obuf); return fpm_nl_finish_early(fnc);
close(fnc->socket);
return 0; return fpm_nl_finish_late(fnc);
} }
static int fpm_nl_process(struct zebra_dplane_provider *prov) static int fpm_nl_process(struct zebra_dplane_provider *prov)