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fpm: reset/walk data structures on connection

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Don't attempt to walk data structures while not connected so we can
save some CPU usage when FPM server is offline.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2020-11-06 12:27:54 -03:00
parent 1f9193c1f0
commit f584de526d
1 changed files with 12 additions and 2 deletions
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14
zebra/dplane_fpm_nl.c
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@ -536,6 +536,13 @@ static int fpm_write(struct thread *t)
fnc->connecting = false;
/*
* Starting with LSPs walk all FPM objects, marking them
* as unsent and then replaying them.
*/
thread_add_timer(zrouter.master, fpm_lsp_reset, fnc, 0,
&fnc->t_lspreset);
/* Permit receiving messages now. */
thread_add_read(fnc->fthread->master, fpm_read, fnc,
fnc->socket, &fnc->t_read);
@ -658,9 +665,12 @@ static int fpm_connect(struct thread *t)
/*
* Starting with LSPs walk all FPM objects, marking them
* as unsent and then replaying them.
*
* If we are not connected, then delay the objects reset/send.
*/
thread_add_timer(zrouter.master, fpm_lsp_reset, fnc, 0,
&fnc->t_lspreset);
if (!fnc->connecting)
thread_add_timer(zrouter.master, fpm_lsp_reset, fnc, 0,
&fnc->t_lspreset);
return 0;
}