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Implements route reload for OSPF.

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This commit is contained in:
Ondrej Zajicek 2009-12-14 21:17:15 +01:00
parent 63542845df
commit f75747073e
3 changed files with 22 additions and 3 deletions
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17
proto/ospf/ospf.c
View File

@ -77,6 +77,7 @@
#include "ospf.h" #include "ospf.h"
static int ospf_reload_routes(struct proto *p);
static void ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old UNUSED, ea_list * attrs); static void ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old UNUSED, ea_list * attrs);
static void ospf_ifa_notify(struct proto *p, unsigned flags, struct ifa *a); static void ospf_ifa_notify(struct proto *p, unsigned flags, struct ifa *a);
static int ospf_rte_better(struct rte *new, struct rte *old); static int ospf_rte_better(struct rte *new, struct rte *old);
@ -234,9 +235,10 @@ ospf_init(struct proto_config *c)
{ {
struct proto *p = proto_new(c, sizeof(struct proto_ospf)); struct proto *p = proto_new(c, sizeof(struct proto_ospf));
p->import_control = ospf_import_control;
p->make_tmp_attrs = ospf_make_tmp_attrs; p->make_tmp_attrs = ospf_make_tmp_attrs;
p->store_tmp_attrs = ospf_store_tmp_attrs; p->store_tmp_attrs = ospf_store_tmp_attrs;
p->import_control = ospf_import_control;
p->reload_routes = ospf_reload_routes;
p->accept_ra_types = RA_OPTIMAL; p->accept_ra_types = RA_OPTIMAL;
p->rt_notify = ospf_rt_notify; p->rt_notify = ospf_rt_notify;
p->if_notify = ospf_iface_notify; p->if_notify = ospf_iface_notify;
@ -345,6 +347,19 @@ schedule_rtcalc(struct proto_ospf *po)
po->calcrt = 1; po->calcrt = 1;
} }
static int
ospf_reload_routes(struct proto *p)
{
struct proto_ospf *po = (struct proto_ospf *) p;
if (po->calcrt != 2)
OSPF_TRACE(D_EVENTS, "Scheduling routing table calculation with route reload");
po->calcrt = 2;
return 1;
}
/** /**
* area_disp - invokes origination of * area_disp - invokes origination of
* router LSA and routing table cleanup * router LSA and routing table cleanup

3
proto/ospf/ospf.h
View File

@ -719,7 +719,8 @@ struct proto_ospf
unsigned tick; unsigned tick;
struct top_graph *gr; /* LSA graph */ struct top_graph *gr; /* LSA graph */
slist lsal; /* List of all LSA's */ slist lsal; /* List of all LSA's */
int calcrt; /* Routing table calculation scheduled? */ int calcrt; /* Routing table calculation scheduled?
0=no, 1=normal, 2=forced reload */
int cleanup; /* Should I cleanup after RT calculation? */ int cleanup; /* Should I cleanup after RT calculation? */
list iface_list; /* Interfaces we really use */ list iface_list; /* Interfaces we really use */
list area_list; list area_list;

5
proto/ospf/rt.c
View File

@ -1133,6 +1133,9 @@ rt_sync(struct proto_ospf *po)
struct area_net *anet; struct area_net *anet;
int flush; int flush;
/* This is used for forced reload of routes */
int reload = (po->calcrt == 2);
OSPF_TRACE(D_EVENTS, "Starting routing table synchronisation"); OSPF_TRACE(D_EVENTS, "Starting routing table synchronisation");
DBG("Now syncing my rt table with nest's\n"); DBG("Now syncing my rt table with nest's\n");
@ -1142,7 +1145,7 @@ again1:
{ {
nf = (ort *) nftmp; nf = (ort *) nftmp;
check_sum_lsa(po, nf, ORT_NET); check_sum_lsa(po, nf, ORT_NET);
if (memcmp(&nf->n, &nf->o, sizeof(orta))) if (reload || memcmp(&nf->n, &nf->o, sizeof(orta)))
{ /* Some difference */ { /* Some difference */
net *ne; net *ne;
rta a0; rta a0;