From fc328ac9d3d49b871c1139f36deb702a254c0d4f Mon Sep 17 00:00:00 2001 From: Subbaiah Venkata Date: Tue, 27 Mar 2012 16:35:22 -0700 Subject: zebra: add more logs/asserts to rib work queue code * zebra/zebra_rib.c: (rib_queue_add, rib_queue_init) Add some more logs and asserts. From: Subbaiah Venkata Signed-off-by: Avneesh Sachdev Signed-off-by: David Lamparter --- zebra/zebra_rib.c | 35 +++++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-) (limited to 'zebra/zebra_rib.c') diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index 580b75bb..0035eb6e 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -1271,14 +1271,30 @@ rib_meta_queue_add (struct meta_queue *mq, struct route_node *rn) static void rib_queue_add (struct zebra_t *zebra, struct route_node *rn) { + char buf[INET_ADDRSTRLEN]; + assert (zebra && rn); if (IS_ZEBRA_DEBUG_RIB_Q) + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + + /* Pointless to queue a route_node with no RIB entries to add or remove */ + if (!rn->info) { - char buf[INET6_ADDRSTRLEN]; + zlog_debug ("%s: called for route_node (%p, %d) with no ribs", + __func__, rn, rn->lock); + zlog_backtrace(LOG_DEBUG); + return; + } - zlog_info ("%s: %s/%d: work queue added", __func__, - inet_ntop (rn->p.family, &rn->p.u.prefix, buf, INET6_ADDRSTRLEN), - rn->p.prefixlen); + if (IS_ZEBRA_DEBUG_RIB_Q) + zlog_info ("%s: %s/%d: work queue added", __func__, buf, rn->p.prefixlen); + + assert (zebra); + + if (zebra->ribq == NULL) + { + zlog_err ("%s: work_queue does not exist!", __func__); + return; } /* @@ -1293,6 +1309,11 @@ rib_queue_add (struct zebra_t *zebra, struct route_node *rn) work_queue_add (zebra->ribq, zebra->mq); rib_meta_queue_add (zebra->mq, rn); + + if (IS_ZEBRA_DEBUG_RIB_Q) + zlog_debug ("%s: %s/%d: rn %p queued", __func__, buf, rn->p.prefixlen, rn); + + return; } /* Create new meta queue. @@ -1320,6 +1341,8 @@ meta_queue_new (void) static void rib_queue_init (struct zebra_t *zebra) { + assert (zebra); + if (! (zebra->ribq = work_queue_new (zebra->master, "route_node processing"))) { @@ -1335,7 +1358,11 @@ rib_queue_init (struct zebra_t *zebra) zebra->ribq->spec.hold = rib_process_hold_time; if (!(zebra->mq = meta_queue_new ())) + { zlog_err ("%s: could not initialise meta queue!", __func__); + return; + } + return; } /* RIB updates are processed via a queue of pointers to route_nodes. -- cgit v1.2.1