diff options
| -rw-r--r-- | proto/ospf/topology.c | 32 | ||||
| -rw-r--r-- | proto/ospf/topology.h | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c index 56228054..6a20a63d 100644 --- a/proto/ospf/topology.c +++ b/proto/ospf/topology.c @@ -502,3 +502,35 @@ ospf_top_dump(struct top_graph *f) } } +/* This is very uneficient, please don't call it often */ + +/* I should also test for every LSA if it's in some link state + * retransmision list for every neighbor. I will not test it. + * It can happen that I'll receive some strange ls ack's. + */ + +int +can_flush_lsa(struct ospf_area *oa) +{ + struct ospf_iface *ifa; + struct ospf_neighbor *n; + struct proto_ospf *po=oa->po; + int flush=1; + + WALK_LIST(ifa, iface_list) + { + if(ifa->oa==oa) + { + WALK_LIST(n, ifa->neigh_list) + { + if(n->state==NEIGHBOR_EXCHANGE||n->state==NEIGHBOR_LOADING) + { + flush=0; + break; + } + } + } + } + + return flush; +} diff --git a/proto/ospf/topology.h b/proto/ospf/topology.h index 4181e05f..92b71438 100644 --- a/proto/ospf/topology.h +++ b/proto/ospf/topology.h @@ -48,5 +48,6 @@ void ospf_hash_delete(struct top_graph *, struct top_hash_entry *); void addifa_rtlsa(struct ospf_iface *ifa); void originate_rt_lsa(struct ospf_area *oa,struct proto_ospf *po); void originate_net_lsa(struct ospf_iface *ifa,struct proto_ospf *po); +int can_flush_lsa(struct ospf_area *oa); #endif /* _BIRD_OSPF_TOPOLOGY_H_ */ |