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Diffstat (limited to 'ospf6d/ospf6_nsm.c')
-rw-r--r--ospf6d/ospf6_nsm.c391
1 files changed, 0 insertions, 391 deletions
diff --git a/ospf6d/ospf6_nsm.c b/ospf6d/ospf6_nsm.c
deleted file mode 100644
index aa08d40b..00000000
--- a/ospf6d/ospf6_nsm.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * Copyright (C) 1999 Yasuhiro Ohara
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "ospf6d.h"
-
-static int
-nbs_full_change (struct ospf6_interface *ospf6_interface)
-{
- CALL_FOREACH_LSA_HOOK (hook_interface, hook_change, ospf6_interface);
- return 0;
-}
-
-static int
-nbs_change (state_t nbs_next, char *reason, struct ospf6_neighbor *o6n)
-{
- state_t nbs_previous;
-
- nbs_previous = o6n->state;
- o6n->state = nbs_next;
-
- if (nbs_previous == nbs_next)
- return 0;
-
- /* statistics */
- o6n->ospf6_stat_state_changed++;
- gettimeofday (&o6n->last_changed, NULL);
-
- /* log */
- if (IS_OSPF6_DUMP_NEIGHBOR)
- {
- if (reason)
- zlog_info ("Neighbor status change %s: [%s]->[%s](%s)",
- o6n->str,
- ospf6_neighbor_state_string[nbs_previous],
- ospf6_neighbor_state_string[nbs_next],
- reason);
- else
- zlog_info ("Neighbor status change %s: [%s]->[%s]",
- o6n->str,
- ospf6_neighbor_state_string[nbs_previous],
- ospf6_neighbor_state_string[nbs_next]);
- }
-
- if (nbs_previous == NBS_FULL || nbs_next == NBS_FULL)
- nbs_full_change (o6n->ospf6_interface);
-
- /* check for LSAs that already reached MaxAge */
- if ((nbs_previous == NBS_EXCHANGE || nbs_previous == NBS_LOADING) &&
- (nbs_next != NBS_EXCHANGE && nbs_next != NBS_LOADING))
- {
- ospf6_maxage_remover ();
- }
-
- CALL_CHANGE_HOOK (&neighbor_hook, o6n);
-
- return 0;
-}
-
-/* RFC2328 section 10.4 */
-int
-need_adjacency (struct ospf6_neighbor *o6n)
-{
-
- if (o6n->ospf6_interface->state == IFS_PTOP)
- return 1;
- if (o6n->ospf6_interface->state == IFS_DR)
- return 1;
- if (o6n->ospf6_interface->state == IFS_BDR)
- return 1;
- if (o6n->router_id == o6n->ospf6_interface->dr)
- return 1;
- if (o6n->router_id == o6n->ospf6_interface->bdr)
- return 1;
-
- return 0;
-}
-
-int
-hello_received (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *HelloReceived*", o6n->str);
-
- if (o6n->inactivity_timer)
- thread_cancel (o6n->inactivity_timer);
-
- o6n->inactivity_timer = thread_add_timer (master, inactivity_timer, o6n,
- o6n->ospf6_interface->dead_interval);
- if (o6n->state <= NBS_DOWN)
- nbs_change (NBS_INIT, "HelloReceived", o6n);
- return 0;
-}
-
-int
-twoway_received (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state > NBS_INIT)
- return 0;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *2Way-Received*", o6n->str);
-
- thread_add_event (master, neighbor_change, o6n->ospf6_interface, 0);
-
- if (!need_adjacency (o6n))
- {
- nbs_change (NBS_TWOWAY, "No Need Adjacency", o6n);
- return 0;
- }
- else
- nbs_change (NBS_EXSTART, "Need Adjacency", o6n);
-
- DD_MSBIT_SET (o6n->dbdesc_bits);
- DD_MBIT_SET (o6n->dbdesc_bits);
- DD_IBIT_SET (o6n->dbdesc_bits);
-
- if (o6n->thread_send_dbdesc)
- thread_cancel (o6n->thread_send_dbdesc);
- o6n->thread_send_dbdesc =
- thread_add_event (master, ospf6_send_dbdesc, o6n, 0);
- if (o6n->thread_rxmt_dbdesc)
- thread_cancel (o6n->thread_rxmt_dbdesc);
- o6n->thread_rxmt_dbdesc = (struct thread *) NULL;
-
- return 0;
-}
-
-int
-negotiation_done (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state != NBS_EXSTART)
- return 0;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *NegotiationDone*", o6n->str);
-
- nbs_change (NBS_EXCHANGE, "NegotiationDone", o6n);
- DD_IBIT_CLEAR (o6n->dbdesc_bits);
-
- return 0;
-}
-
-int
-exchange_done (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state != NBS_EXCHANGE)
- return 0;
-
- if (o6n->thread_rxmt_dbdesc)
- thread_cancel (o6n->thread_rxmt_dbdesc);
- o6n->thread_rxmt_dbdesc = (struct thread *) NULL;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *ExchangeDone*", o6n->str);
-
- ospf6_lsdb_remove_all (o6n->dbdesc_list);
-
- thread_add_timer (master, ospf6_neighbor_last_dbdesc_release, o6n,
- o6n->ospf6_interface->dead_interval);
-
- if (o6n->request_list->count == 0)
- nbs_change (NBS_FULL, "Requestlist Empty", o6n);
- else
- {
- thread_add_event (master, ospf6_send_lsreq, o6n, 0);
- nbs_change (NBS_LOADING, "Requestlist Not Empty", o6n);
- }
- return 0;
-}
-
-int
-loading_done (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state != NBS_LOADING)
- return 0;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *LoadingDone*", o6n->str);
-
- assert (o6n->request_list->count == 0);
-
- nbs_change (NBS_FULL, "LoadingDone", o6n);
-
- return 0;
-}
-
-int
-adj_ok (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *AdjOK?*", o6n->str);
-
- if (o6n->state == NBS_TWOWAY)
- {
- if (!need_adjacency (o6n))
- {
- nbs_change (NBS_TWOWAY, "No Need Adjacency", o6n);
- return 0;
- }
- else
- nbs_change (NBS_EXSTART, "Need Adjacency", o6n);
-
- DD_MSBIT_SET (o6n->dbdesc_bits);
- DD_MBIT_SET (o6n->dbdesc_bits);
- DD_IBIT_SET (o6n->dbdesc_bits);
-
- if (o6n->thread_send_dbdesc)
- thread_cancel (o6n->thread_send_dbdesc);
- o6n->thread_send_dbdesc =
- thread_add_event (master, ospf6_send_dbdesc, o6n, 0);
-
- return 0;
- }
-
- if (o6n->state >= NBS_EXSTART)
- {
- if (need_adjacency (o6n))
- return 0;
- else
- {
- nbs_change (NBS_TWOWAY, "No Need Adjacency", o6n);
- ospf6_neighbor_lslist_clear (o6n);
- }
- }
- return 0;
-}
-
-int
-seqnumber_mismatch (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state < NBS_EXCHANGE)
- return 0;
-
- /* statistics */
- o6n->ospf6_stat_seqnum_mismatch++;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *SeqNumberMismatch*", o6n->str);
-
- nbs_change (NBS_EXSTART, "SeqNumberMismatch", o6n);
-
- DD_MSBIT_SET (o6n->dbdesc_bits);
- DD_MBIT_SET (o6n->dbdesc_bits);
- DD_IBIT_SET (o6n->dbdesc_bits);
- ospf6_neighbor_lslist_clear (o6n);
-
- if (o6n->thread_send_dbdesc)
- thread_cancel (o6n->thread_send_dbdesc);
- o6n->thread_send_dbdesc =
- thread_add_event (master, ospf6_send_dbdesc, o6n, 0);
-
- return 0;
-}
-
-int
-bad_lsreq (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state < NBS_EXCHANGE)
- return 0;
-
- /* statistics */
- o6n->ospf6_stat_bad_lsreq++;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *BadLSReq*", o6n->str);
-
- nbs_change (NBS_EXSTART, "BadLSReq", o6n);
-
- DD_MSBIT_SET (o6n->dbdesc_bits);
- DD_MBIT_SET (o6n->dbdesc_bits);
- DD_IBIT_SET (o6n->dbdesc_bits);
- ospf6_neighbor_lslist_clear (o6n);
-
- if (o6n->thread_send_dbdesc)
- thread_cancel (o6n->thread_send_dbdesc);
- o6n->thread_send_dbdesc =
- thread_add_event (master, ospf6_send_dbdesc, o6n, 0);
-
- return 0;
-}
-
-int
-oneway_received (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- if (o6n->state < NBS_TWOWAY)
- return 0;
-
- /* statistics */
- o6n->ospf6_stat_oneway_received++;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *1Way-Received*", o6n->str);
-
- nbs_change (NBS_INIT, "1Way-Received", o6n);
-
- thread_add_event (master, neighbor_change, o6n->ospf6_interface, 0);
-
- ospf6_neighbor_thread_cancel_all (o6n);
- ospf6_neighbor_lslist_clear (o6n);
- return 0;
-}
-
-int
-inactivity_timer (struct thread *thread)
-{
- struct ospf6_neighbor *o6n;
-
- o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
- assert (o6n);
-
- /* statistics */
- o6n->ospf6_stat_inactivity_timer++;
-
- if (IS_OSPF6_DUMP_NEIGHBOR)
- zlog_info ("Neighbor Event %s: *InactivityTimer*", o6n->str);
-
- o6n->inactivity_timer = NULL;
- o6n->dr = o6n->bdr = o6n->prevdr = o6n->prevbdr = 0;
- nbs_change (NBS_DOWN, "InactivityTimer", o6n);
-
- thread_add_event (master, neighbor_change, o6n->ospf6_interface, 0);
-
- listnode_delete (o6n->ospf6_interface->neighbor_list, o6n);
- ospf6_neighbor_delete (o6n);
-
- return 0;
-}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-30 23:32:39 +0000