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zebra: notify data plane providers about shutdown

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Call the `dp_fini` callback twice: once at the beginning of the shutdown
and then again right before `exit()`ing zebra.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2020-04-17 12:14:37 -03:00
parent 9d73613388
commit 6ba8db2186
1 changed files with 18 additions and 2 deletions
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20
zebra/zebra_dplane.c
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@ -3557,12 +3557,20 @@ bool dplane_is_in_shutdown(void)
*/
void zebra_dplane_pre_finish(void)
{
struct zebra_dplane_provider *dp;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane pre-fini called");
zdplane_info.dg_is_shutdown = true;
/* TODO -- Notify provider(s) of pending shutdown */
/* Notify provider(s) of pending shutdown. */
TAILQ_FOREACH(dp, &zdplane_info.dg_providers_q, dp_prov_link) {
if (dp->dp_fini == NULL)
continue;
dp->dp_fini(dp, true);
}
}
/*
@ -3863,6 +3871,8 @@ done:
*/
void zebra_dplane_shutdown(void)
{
struct zebra_dplane_provider *dp;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane shutdown called");
@ -3881,7 +3891,13 @@ void zebra_dplane_shutdown(void)
zdplane_info.dg_pthread = NULL;
zdplane_info.dg_master = NULL;
/* TODO -- Notify provider(s) of final shutdown */
/* Notify provider(s) of final shutdown. */
TAILQ_FOREACH(dp, &zdplane_info.dg_providers_q, dp_prov_link) {
if (dp->dp_fini == NULL)
continue;
dp->dp_fini(dp, false);
}
/* TODO -- Clean-up provider objects */