diff options
Diffstat (limited to 'bgpd/bgp_peer.c')
| -rw-r--r-- | bgpd/bgp_peer.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/bgpd/bgp_peer.c b/bgpd/bgp_peer.c index dea87a74..dca9054d 100644 --- a/bgpd/bgp_peer.c +++ b/bgpd/bgp_peer.c @@ -51,6 +51,7 @@ #include "plist.h" #include "mqueue.h" #include "workqueue.h" +#include "if.c" #ifdef HAVE_SNMP #include "bgpd/bgp_snmp.h" @@ -164,6 +165,12 @@ bgp_session_has_established(bgp_peer peer) /* update peer state from received open */ bgp_peer_open_state_receive(peer); + /* get the local and remote addresses, and set the nexthop. */ + + sockunion_set_dup(&peer->su_local, session->su_local) ; + sockunion_set_dup(&peer->su_remote, session->su_remote) ; + bgp_nexthop_set(peer->su_local, peer->su_remote, &peer->nexthop, peer) ; + /* Reset capability open status flag. */ if (! CHECK_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN)) SET_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN); @@ -1021,3 +1028,38 @@ peer_change_status (bgp_peer peer, int status) LOOKUP (bgp_peer_status_msg, peer->ostate), LOOKUP (bgp_peer_status_msg, peer->state)); } + +/*============================================================================== + * For the given interface name, get a suitable address so can bind() before + * connect() so that we use the required interface. + * + * + * + */ +extern sockunion +bgp_peer_get_ifaddress(bgp_peer peer, const char* ifname, pAF_t paf) +{ + struct interface* ifp ; + struct connected* connected; + struct listnode* node; + + if (ifname == NULL) + return NULL ; + + ifp = if_lookup_by_name (peer->update_if) ; + if (ifp == NULL) + { + zlog_err("Peer %s interface %s is not known", peer->host, ifname) ; + return NULL ; + } ; + + for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, connected)) + { + if (connected->address->family == paf) + return sockunion_new(connected->address) ; + } ; + + zlog_err("Peer %s interface %ss has no suitable address", peer->host, ifname); + + return NULL ; +} ; |