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authorOndrej Filip <feela@network.cz>2000-06-07 22:50:08 +0200
committerOndrej Filip <feela@network.cz>2000-06-07 22:50:08 +0200
commit6f58dc64c9084aca66850b88d907cecf9b00c88d (patch)
treef7ada65d6e7b9266722962230766bd75ab5e169d /proto/ospf/ospf.c
parent89755a86237c786878a2d0c5e527559c8a4c0b6d (diff)
downloadbird-6f58dc64c9084aca66850b88d907cecf9b00c88d.tar
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Diffstat (limited to 'proto/ospf/ospf.c')
-rw-r--r--proto/ospf/ospf.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 9348398..6527c8c 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -243,6 +243,15 @@ schedule_rtcalc(struct ospf_area *oa)
oa->calcrt=1;
}
+/**
+ * area_disp - invokes link-state database aging, originating of
+ * router LSA and routing table calculation
+ * @timer - it's called every @ospf_area->tick seconds
+ *
+ * It ivokes aging and when @ospf_area->origrt is set to 1, start
+ * function for origination of router LSA. It also start routing
+ * table calculation when @ospf_area->calcrt is set.
+ */
void
area_disp(timer *timer)
{
@@ -260,6 +269,16 @@ area_disp(timer *timer)
oa->calcrt=0;
}
+/**
+ * ospf_import_control - accept or reject new route from nest's routing table
+ * @p: current instance of protocol
+ * @attrs: list of arttributes
+ * @pool: pool for alloction of attributes
+ *
+ * Its quite simple. It does not accept our own routes and decision of
+ * import leaves to the filters.
+ */
+
int
ospf_import_control(struct proto *p, rte **new, ea_list **attrs, struct linpool *pool)
{
@@ -285,6 +304,16 @@ ospf_store_tmp_attrs(struct rte *rt, struct ea_list *attrs)
rt->u.ospf.tag = ea_get_int(attrs, EA_OSPF_TAG, 0);
}
+/**
+ * ospf_shutdown - Finnish of OSPF instance
+ * @p: current instance of protocol
+ *
+ * RFC does not define any action that should be taken befor router
+ * shutdown. To make my neighbors react as fast as possible, I send
+ * them hello packet with empty neighbor list. They should start
+ * theirs neighbor state machine with event %NEIGHBOR_1WAY.
+ */
+
static int
ospf_shutdown(struct proto *p)
{
@@ -402,12 +431,23 @@ ospf_get_attr(eattr *a, byte *buf)
default: return GA_UNKNOWN;
}
}
+
static int
ospf_patt_compare(struct ospf_iface_patt *a, struct ospf_iface_patt *b)
{
return ((a->type==b->type)&&(a->priority==b->priority));
}
+/**
+ * ospf_reconfigure - reconfiguration hook
+ * @p: current instance of protocol (with old configuration)
+ * @c: new configuration requested by user
+ *
+ * This hook tries to be a little bit inteligent. Instance of OSPF
+ * will survive change of many constants like hello interval,
+ * password change, addition of deletion of some neighbor on
+ * nonbroadcast network, cost of interface, etc.
+ */
static int
ospf_reconfigure(struct proto *p, struct proto_config *c)
{
@@ -421,7 +461,11 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
struct ospf_area *oa;
int found;
- po->rfc1583=new->rfc1583; /* FIXME but if differs schedule RT calc */
+ po->rfc1583=new->rfc1583;
+ WALK_LIST(oa, po->area_list) /* Routing table must be recalculated */
+ {
+ schedule_rtcalc(oa);
+ }
ac1=HEAD(old->area_list);
ac2=HEAD(new->area_list);