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-rw-r--r--isisd/ChangeLog8
-rw-r--r--isisd/isis_lsp.c2
-rw-r--r--isisd/isis_spf.c161
-rw-r--r--isisd/isis_spf.h2
4 files changed, 115 insertions, 58 deletions
diff --git a/isisd/ChangeLog b/isisd/ChangeLog
index 1464c338..4bd34942 100644
--- a/isisd/ChangeLog
+++ b/isisd/ChangeLog
@@ -1,3 +1,11 @@
+2004-09-19 Hasso Tepper <hasso at quagga.net>
+
+ * isis_spf.h: Renamed t_spf_periodic to t_spf as it's not used to
+ store pointer to periodic SPF thread only.
+ * isis_spf.c: Cleaned up SPF threads schedule code. IPv4 and IPv6
+ threads are independant now. Used macros wherever possible.
+ * isis_lsp.c: Fixed bug in scheduling LSP regeneration.
+
2004-09-17 LIU Xin <lx at ns.6test.edu.cn>
* isis_circuit.c: According to RFC1142 the first DIS election will be
diff --git a/isisd/isis_lsp.c b/isisd/isis_lsp.c
index 677e2c3a..d52efb6a 100644
--- a/isisd/isis_lsp.c
+++ b/isisd/isis_lsp.c
@@ -1895,7 +1895,7 @@ lsp_regenerate_schedule (struct isis_area *area)
area->lsp_regenerate_pending[0] = 1;
thread_add_timer (master, lsp_l1_regenerate, area,
MIN_LSP_GEN_INTERVAL - diff);
- return ISIS_OK;
+ goto L2;
}
else
lsp_non_pseudo_regenerate (area, 1);
diff --git a/isisd/isis_spf.c b/isisd/isis_spf.c
index bd79659c..b2845ae1 100644
--- a/isisd/isis_spf.c
+++ b/isisd/isis_spf.c
@@ -1022,21 +1022,6 @@ isis_run_spf (struct isis_area *area, int level, int family)
spftree->lastrun = time (NULL);
spftree->pending = 0;
- if (level == 1)
- {
- /* FIXME: Should do it earlier. */
- spftree->t_spf_periodic = NULL;
- THREAD_TIMER_ON (master, spftree->t_spf_periodic, isis_run_spf_l1, area,
- isis_jitter (PERIODIC_SPF_INTERVAL, 10));
- }
- else
- {
- /* FIXME: Should do it earlier. */
- spftree->t_spf_periodic = NULL;
- THREAD_TIMER_ON (master, spftree->t_spf_periodic, isis_run_spf_l2, area,
- isis_jitter (PERIODIC_SPF_INTERVAL, 10));
- }
-
return retval;
}
@@ -1049,27 +1034,25 @@ isis_run_spf_l1 (struct thread *thread)
area = THREAD_ARG (thread);
assert (area);
+ area->spftree[0]->t_spf = NULL;
+
if (!(area->is_type & IS_LEVEL_1))
{
if (isis->debugs & DEBUG_SPF_EVENTS)
- {
- zlog_warn ("ISIS-SPF (%s) area does not share level",
- area->area_tag);
- }
+ zlog_warn ("ISIS-SPF (%s) area does not share level",
+ area->area_tag);
return ISIS_WARNING;
}
if (isis->debugs & DEBUG_SPF_EVENTS)
- {
- zlog_info ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);
- }
+ zlog_info ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);
if (area->ip_circuits)
retval = isis_run_spf (area, 1, AF_INET);
-#ifdef HAVE_IPV6
- if (area->ipv6_circuits)
- retval = isis_run_spf (area, 1, AF_INET6);
-#endif
+
+ THREAD_TIMER_ON (master, area->spftree[0]->t_spf, isis_run_spf_l1, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
+
return retval;
}
@@ -1082,27 +1065,23 @@ isis_run_spf_l2 (struct thread *thread)
area = THREAD_ARG (thread);
assert (area);
+ area->spftree[1]->t_spf = NULL;
+
if (!(area->is_type & IS_LEVEL_2))
{
if (isis->debugs & DEBUG_SPF_EVENTS)
- {
- zlog_warn ("ISIS-SPF (%s) area does not share level",
- area->area_tag);
- }
+ zlog_warn ("ISIS-SPF (%s) area does not share level", area->area_tag);
return ISIS_WARNING;
}
if (isis->debugs & DEBUG_SPF_EVENTS)
- {
- zlog_info ("ISIS-Spf (%s) L2 SPF needed, periodic SPF", area->area_tag);
- }
+ zlog_info ("ISIS-Spf (%s) L2 SPF needed, periodic SPF", area->area_tag);
if (area->ip_circuits)
retval = isis_run_spf (area, 2, AF_INET);
-#ifdef HAVE_IPV6
- if (area->ipv6_circuits)
- retval = isis_run_spf (area, 2, AF_INET6);
-#endif
+
+ THREAD_TIMER_ON (master, area->spftree[1]->t_spf, isis_run_spf_l2, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
return retval;
}
@@ -1123,25 +1102,24 @@ isis_spf_schedule (struct isis_area *area, int level)
if (now - isis->uptime < 60 || isis->uptime == 0)
{
if (level == 1)
- thread_add_timer (master, isis_run_spf_l1, area, 60);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area, 60);
else
- thread_add_timer (master, isis_run_spf_l2, area, 60);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area, 60);
spftree->pending = 1;
return retval;
}
- /* FIXME: This stuff is just mess. All spf thread add/cancel
- logic should be reviewed. */
- THREAD_TIMER_OFF (spftree->t_spf_periodic);
+
+ THREAD_TIMER_OFF (spftree->t_spf);
if (diff < MINIMUM_SPF_INTERVAL)
{
if (level == 1)
- thread_add_timer (master, isis_run_spf_l1, area,
- MINIMUM_SPF_INTERVAL - diff);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area,
+ MINIMUM_SPF_INTERVAL - diff);
else
- thread_add_timer (master, isis_run_spf_l2, area,
- MINIMUM_SPF_INTERVAL - diff);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area,
+ MINIMUM_SPF_INTERVAL - diff);
spftree->pending = 1;
}
@@ -1149,6 +1127,12 @@ isis_spf_schedule (struct isis_area *area, int level)
{
spftree->pending = 0;
retval = isis_run_spf (area, level, AF_INET);
+ if (level == 1)
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
+ else
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
}
return retval;
@@ -1156,6 +1140,66 @@ isis_spf_schedule (struct isis_area *area, int level)
#ifdef HAVE_IPV6
int
+isis_run_spf6_l1 (struct thread *thread)
+{
+ struct isis_area *area;
+ int retval = ISIS_OK;
+
+ area = THREAD_ARG (thread);
+ assert (area);
+
+ area->spftree6[0]->t_spf = NULL;
+
+ if (!(area->is_type & IS_LEVEL_1))
+ {
+ if (isis->debugs & DEBUG_SPF_EVENTS)
+ zlog_warn ("ISIS-SPF (%s) area does not share level", area->area_tag);
+ return ISIS_WARNING;
+ }
+
+ if (isis->debugs & DEBUG_SPF_EVENTS)
+ zlog_info ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);
+
+ if (area->ipv6_circuits)
+ retval = isis_run_spf (area, 1, AF_INET6);
+
+ THREAD_TIMER_ON (master, area->spftree6[0]->t_spf, isis_run_spf6_l1, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
+
+ return retval;
+}
+
+int
+isis_run_spf6_l2 (struct thread *thread)
+{
+ struct isis_area *area;
+ int retval = ISIS_OK;
+
+ area = THREAD_ARG (thread);
+ assert (area);
+
+ area->spftree6[1]->t_spf = NULL;
+
+ if (!(area->is_type & IS_LEVEL_2))
+ {
+ if (isis->debugs & DEBUG_SPF_EVENTS)
+ zlog_warn ("ISIS-SPF (%s) area does not share level", area->area_tag);
+ return ISIS_WARNING;
+ }
+
+ if (isis->debugs & DEBUG_SPF_EVENTS)
+ zlog_info ("ISIS-Spf (%s) L2 SPF needed, periodic SPF", area->area_tag);
+
+ if (area->ipv6_circuits)
+ retval = isis_run_spf (area, 2, AF_INET6);
+
+ THREAD_TIMER_ON (master, area->spftree6[1]->t_spf, isis_run_spf6_l2, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
+
+ return retval;
+}
+
+int
isis_spf_schedule6 (struct isis_area *area, int level)
{
int retval = ISIS_OK;
@@ -1167,29 +1211,28 @@ isis_spf_schedule6 (struct isis_area *area, int level)
diff = now - spftree->lastrun;
- THREAD_TIMER_OFF (spftree->t_spf_periodic);
-
/* FIXME: let's wait a minute before doing the SPF */
if (now - isis->uptime < 60 || isis->uptime == 0)
{
if (level == 1)
- thread_add_timer (master, isis_run_spf_l1, area, 60);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area, 60);
else
- thread_add_timer (master, isis_run_spf_l2, area, 60);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area, 60);
spftree->pending = 1;
return retval;
}
-
+
+ THREAD_TIMER_OFF (spftree->t_spf);
if (diff < MINIMUM_SPF_INTERVAL)
{
if (level == 1)
- thread_add_timer (master, isis_run_spf_l1, area,
- MINIMUM_SPF_INTERVAL - diff);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area,
+ MINIMUM_SPF_INTERVAL - diff);
else
- thread_add_timer (master, isis_run_spf_l2, area,
- MINIMUM_SPF_INTERVAL - diff);
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area,
+ MINIMUM_SPF_INTERVAL - diff);
spftree->pending = 1;
}
@@ -1197,11 +1240,17 @@ isis_spf_schedule6 (struct isis_area *area, int level)
{
spftree->pending = 0;
retval = isis_run_spf (area, level, AF_INET6);
+
+ if (level == 1)
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
+ else
+ THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area,
+ isis_jitter (PERIODIC_SPF_INTERVAL, 10));
}
return retval;
}
-
#endif
void
diff --git a/isisd/isis_spf.h b/isisd/isis_spf.h
index 432f846e..8912add3 100644
--- a/isisd/isis_spf.h
+++ b/isisd/isis_spf.h
@@ -60,7 +60,7 @@ struct isis_vertex
struct isis_spftree
{
- struct thread *t_spf_periodic; /* periodic spf threads */
+ struct thread *t_spf; /* spf threads */
time_t lastrun; /* for scheduling */
int pending; /* already scheduled */
struct list *paths; /* the SPT */
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-28 19:28:58 +0000