int exchange_done(struct thread * thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (on->state != OSPF6_NEIGHBOR_EXCHANGE)
return 0;
if (IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug ("Neighbor Event %s: *ExchangeDone*", on->name);
THREAD_OFF (on->thread_send_dbdesc);
ospf6_lsdb_remove_all (on->dbdesc_list);
/* XXX
thread_add_timer (master, ospf6_neighbor_last_dbdesc_release, on,
on->ospf6_if->dead_interval);
*/
if (on->request_list->count == 0)
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_FULL, on);
else
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_LOADING, on);
return 0;
}
int
twoway_received (struct thread *thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (on->state > OSPF6_NEIGHBOR_INIT)
return 0;
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *2Way-Received*", on->name);
thread_add_event (master, neighbor_change, on->ospf6_if, 0);
if (! need_adjacency (on))
{
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_TWOWAY, on);
return 0;
}
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_EXSTART, on);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MSBIT);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MBIT);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_IBIT);
THREAD_OFF (on->thread_send_dbdesc);
on->thread_send_dbdesc =
thread_add_event (master, ospf6_dbdesc_send, on, 0);
return 0;
}
int bad_lsreq(struct thread * thread)
{
struct ospf6_neighbor * on;
struct ospf6_lsa * lsa;
on = (struct ospf6_neighbor *) THREAD_ARG(thread);
assert(on);
if(on->state < OSPF6_NEIGHBOR_EXCHANGE)
return 0;
if(IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug("Neighbor Event %s: *BadLSReq*", on->name);
ospf6_neighbor_state_change(OSPF6_NEIGHBOR_EXSTART, on);
SET_FLAG(on->dbdesc_bits, OSPF6_DBDESC_MSBIT);
SET_FLAG(on->dbdesc_bits, OSPF6_DBDESC_MBIT);
SET_FLAG(on->dbdesc_bits, OSPF6_DBDESC_IBIT);
ospf6_lsdb_remove_all(on->summary_list);
ospf6_lsdb_remove_all(on->request_list);
for(lsa = ospf6_lsdb_head(on->retrans_list); lsa;
lsa = ospf6_lsdb_next(lsa))
{
ospf6_decrement_retrans_count(lsa);
ospf6_lsdb_remove(lsa, on->retrans_list);
}
THREAD_OFF(on->thread_send_dbdesc);
on->thread_send_dbdesc =
thread_add_event(master, ospf6_dbdesc_send, on, 0);
return 0;
}
int adj_ok(struct thread * thread)
{
struct ospf6_neighbor * on;
on = (struct ospf6_neighbor *)THREAD_ARG(thread);
assert(on);
if(IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
{
zlog_debug("Neighbor Event %s: *AdjOK?*", on->name);
}
if(on->state == OSPF6_NEIGHBOR_TWOWAY && need_adjacency(on))
{
ospf6_neighbor_state_change(OSPF6_NEIGHBOR_EXSTART, on);
// send dbdesc here
}
else if(on->state >= OSPF6_NEIGHBOR_EXSTART && !need_adjacency(on))
{
// remove all lsas
}
return 0;
}
int
oneway_received (struct thread *thread)
{
struct ospf6_neighbor *on;
struct ospf6_lsa *lsa;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (on->state < OSPF6_NEIGHBOR_TWOWAY)
return 0;
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *1Way-Received*", on->name);
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_INIT, on);
thread_add_event (master, neighbor_change, on->ospf6_if, 0);
ospf6_lsdb_remove_all (on->summary_list);
ospf6_lsdb_remove_all (on->request_list);
for (lsa = ospf6_lsdb_head (on->retrans_list); lsa;
lsa = ospf6_lsdb_next (lsa))
{
ospf6_decrement_retrans_count (lsa);
ospf6_lsdb_remove (lsa, on->retrans_list);
}
THREAD_OFF (on->thread_send_dbdesc);
THREAD_OFF (on->thread_send_lsreq);
THREAD_OFF (on->thread_send_lsupdate);
THREAD_OFF (on->thread_send_lsack);
return 0;
}
int
adj_ok (struct thread *thread)
{
struct ospf6_neighbor *on;
struct ospf6_lsa *lsa;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *AdjOK?*", on->name);
if (on->state == OSPF6_NEIGHBOR_TWOWAY && need_adjacency (on))
{
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_EXSTART, on);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MSBIT);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MBIT);
SET_FLAG (on->dbdesc_bits, OSPF6_DBDESC_IBIT);
THREAD_OFF (on->thread_send_dbdesc);
on->thread_send_dbdesc =
thread_add_event (master, ospf6_dbdesc_send, on, 0);
}
else if (on->state >= OSPF6_NEIGHBOR_EXSTART &&
! need_adjacency (on))
{
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_TWOWAY, on);
ospf6_lsdb_remove_all (on->summary_list);
ospf6_lsdb_remove_all (on->request_list);
for (lsa = ospf6_lsdb_head (on->retrans_list); lsa;
lsa = ospf6_lsdb_next (lsa))
{
ospf6_decrement_retrans_count (lsa);
ospf6_lsdb_remove (lsa, on->retrans_list);
}
}
return 0;
}
int oneway_received(struct thread * thread)
{
struct ospf6_neighbor * on;
on = (struct ospf6_neighbor *)THREAD_ARG(thread);
if(on->state < OSPF6_NEIGHBOR_TWOWAY)
return 0;
if(IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug("Neighbor Event %s: *1Way-Received*", on->name);
ospf6_neighbor_state_change(OSPF6_NEIGHBOR_INIT, on);
thread_add_event(master, neighbor_change, on->ospf6_if, 0);
return 0;
}
int hello_received(struct thread * thread)
{
struct ospf6_neighbor * on;
on = THREAD_ARG(thread);
assert(on);
printf("Hello Received\n");
/* reset Inactivity Timer */
THREAD_OFF (on->inactivity_timer);
on->inactivity_timer = thread_add_timer (master, inactivity_timer, on,
on->ospf6_if->dead_interval);
if(on->state <= OSPF6_NEIGHBOR_DOWN)
ospf6_neighbor_state_change(OSPF6_NEIGHBOR_INIT, on);
return 0;
}
int
ospf6_bfd_down (struct thread *thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *BFD Down*", on->name);
on->drouter = on->prev_drouter = 0;
on->bdrouter = on->prev_bdrouter = 0;
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_DOWN, on);
thread_add_event (master, neighbor_change, on->ospf6_if, 0);
return 0;
}
int
loading_done (struct thread *thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (on->state != OSPF6_NEIGHBOR_LOADING)
return 0;
if (IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug ("Neighbor Event %s: *LoadingDone*", on->name);
assert (on->request_list->count == 0);
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_FULL, on);
return 0;
}
int
hello_received (struct thread *thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *HelloReceived*", on->name);
/* reset Inactivity Timer */
THREAD_OFF (on->inactivity_timer);
on->inactivity_timer = thread_add_timer (master, inactivity_timer, on,
on->ospf6_if->dead_interval);
if (on->state <= OSPF6_NEIGHBOR_DOWN)
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_INIT, on);
return 0;
}
int inactivity_timer(struct thread * thread)
{
struct ospf6_neighbor * on;
on = (struct ospf6_neighbor *) THREAD_ARG(thread);
assert(on);
if(IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug ("Neighbor Event %s: *InactivityTimer*", on->name);
on->inactivity_timer = NULL;
on->drouter = on->prev_drouter = 0;
on->bdrouter = on->prev_bdrouter = 0;
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_DOWN, on);
thread_add_event (master, neighbor_change, on->ospf6_if, 0);
// remove myself from neighbor list
list_remove(&on->node);
ospf6_neighbor_delete (on);
return 0;
}
int
inactivity_timer (struct thread *thread)
{
struct ospf6_neighbor *on;
on = (struct ospf6_neighbor *) THREAD_ARG (thread);
assert (on);
if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
zlog_info ("Neighbor Event %s: *InactivityTimer*", on->name);
on->inactivity_timer = NULL;
on->drouter = on->prev_drouter = 0;
on->bdrouter = on->prev_bdrouter = 0;
ospf6_neighbor_state_change (OSPF6_NEIGHBOR_DOWN, on);
thread_add_event (master, neighbor_change, on->ospf6_if, 0);
listnode_delete (on->ospf6_if->neighbor_list, on);
ospf6_neighbor_delete (on);
return 0;
}
int negotiation_done(struct thread * thread)
{
struct ospf6_neighbor * on;
struct ospf6_lsa * lsa;
on = (struct ospf6_neighbor *) THREAD_ARG(thread);
assert(on);
if(on->state != OSPF6_NEIGHBOR_EXSTART)
return 0;
if(IS_OSPF6_SIBLING_DEBUG_NEIGHBOR)
zlog_debug("Neighbor Event %s: *NegotiationDone*", on->name);
/* clear ls-list */
ospf6_lsdb_remove_all(on->summary_list);
ospf6_lsdb_remove_all(on->request_list);
for(lsa = ospf6_lsdb_head(on->retrans_list); lsa;
lsa = ospf6_lsdb_next(lsa))
{
ospf6_decrement_retrans_count(lsa);
ospf6_lsdb_remove(lsa, on->retrans_list);
}
/* Interface scoped LSAs */
for(lsa = ospf6_lsdb_head(on->ospf6_if->lsdb); lsa;
lsa = ospf6_lsdb_next(lsa))
{
if (OSPF6_LSA_IS_MAXAGE (lsa))
{
ospf6_increment_retrans_count(lsa);
ospf6_lsdb_add(ospf6_lsa_copy(lsa), on->retrans_list);
}
else
ospf6_lsdb_add(ospf6_lsa_copy(lsa), on->summary_list);
}
/* Area scoped LSAs - no area implemented yet */
// LIST_FOR_EACH(lsa, struct ospf6_lsa, node, on-> )
// {
// }
/* AS scoped LSAs */
for(lsa = ospf6_lsdb_head(ospf6->lsdb); lsa;
lsa = ospf6_lsdb_next(lsa))
{
if(OSPF6_LSA_IS_MAXAGE(lsa))
{
ospf6_increment_retrans_count(lsa);
ospf6_lsdb_add(ospf6_lsa_copy(lsa), on->retrans_list);
}
else
ospf6_lsdb_add(ospf6_lsa_copy(lsa), on->summary_list);
}
UNSET_FLAG(on->dbdesc_bits, OSPF6_DBDESC_IBIT);
ospf6_neighbor_state_change(OSPF6_NEIGHBOR_EXCHANGE, on);
return 0;
}
