diff options
Diffstat (limited to 'bgpd/bgp_fsm.c')
| -rw-r--r-- | bgpd/bgp_fsm.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/bgpd/bgp_fsm.c b/bgpd/bgp_fsm.c index 88916948..e4152f80 100644 --- a/bgpd/bgp_fsm.c +++ b/bgpd/bgp_fsm.c @@ -673,7 +673,7 @@ static void bgp_fsm_throw_exception(bgp_connection connection, bgp_session_event_t except, bgp_notify notification, int err, bgp_fsm_event_t event) { - bgp_fsm_post_exception(connection, except,notification, err) ; + bgp_fsm_post_exception(connection, except, notification, err) ; bgp_fsm_event(connection, event) ; } ; @@ -693,6 +693,35 @@ bgp_fsm_post_catch(bgp_connection connection, bgp_session_event_t except, } ; /*============================================================================== + * Signal that have received a message that is some form of "update". + * + * If is established: re-charge the HoldTimer. + * + * otherwise: raise bfp_fsm_eUpdate event, which will most likely + * throw an error. + * + * Avoids going through the full FSM process for update events (of which there + * may be many) in the simple case -- where only need to re-charge HoldTimer. + * + * Deals, via the FSM, with unexpected "update" events -- for example an + * UPDATE (or ROUTE-REFRESH) before reaching sEstablished ! + */ +static void bgp_hold_timer_recharge(bgp_connection connection) ; + +extern int +bgp_fsm_pre_update(bgp_connection connection) +{ + if (connection->state == bgp_fsm_sEstablished) + { + bgp_hold_timer_recharge(connection) ; + return 0 ; + } ; + + bgp_fsm_event(connection, bgp_fsm_eReceive_UPDATE_message) ; + return -1 ; +} ; + +/*============================================================================== * For debug... */ #define BGP_FSM_DEBUG(connection, message) \ @@ -1643,9 +1672,6 @@ bgp_fsm_event(bgp_connection connection, bgp_fsm_event_t event) static void bgp_hold_timer_set(bgp_connection connection, unsigned secs) ; -static void -bgp_hold_timer_recharge(bgp_connection connection) ; - static bgp_fsm_state_t bgp_fsm_send_notification(bgp_connection connection, bgp_fsm_state_t next_state) ; |