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ospfd: Added changes to track route-map usage

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Made changes and updated the routemap applied counter in the following flows.
1.Increment the routemap applied counter when route map attached to a
  redistribution list. The counter will be updated if the routemap exists.
2.Decrement when route map removed / modified from a redistribution  list.
3.Increment/decrement when route map create/delete callback triggered.

Signed-off-by: RajeshGirada <rgirada@vmware.com>
This commit is contained in:
rgirada 2019-02-04 05:22:39 -08:00
parent 54e80c7656
commit 93d836e6fe
2 changed files with 19 additions and 6 deletions
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16
ospfd/ospf_routemap.c
View File

@ -70,11 +70,19 @@ static void ospf_route_map_update(const char *name)
/* Keep old route-map. */ /* Keep old route-map. */
struct route_map *old = ROUTEMAP(red); struct route_map *old = ROUTEMAP(red);
/* Update route-map. */ if (!old) {
ROUTEMAP(red) = /* Route-map creation */
route_map_lookup_by_name( /* Update route-map. */
ROUTEMAP_NAME(red)); ROUTEMAP(red) =
route_map_lookup_by_name(
ROUTEMAP_NAME(red));
route_map_counter_increment(
ROUTEMAP(red));
} else {
/* Route-map deletion */
ROUTEMAP(red) = NULL;
}
/* No update for this distribute type. /* No update for this distribute type.
*/ */
if (old == NULL if (old == NULL

9
ospfd/ospf_zebra.c
View File

@ -983,17 +983,22 @@ int ospf_redistribute_check(struct ospf *ospf, struct external_info *ei,
/* OSPF route-map set for redistribution */ /* OSPF route-map set for redistribution */
void ospf_routemap_set(struct ospf_redist *red, const char *name) void ospf_routemap_set(struct ospf_redist *red, const char *name)
{ {
if (ROUTEMAP_NAME(red)) if (ROUTEMAP_NAME(red)) {
route_map_counter_decrement(ROUTEMAP(red));
free(ROUTEMAP_NAME(red)); free(ROUTEMAP_NAME(red));
}
ROUTEMAP_NAME(red) = strdup(name); ROUTEMAP_NAME(red) = strdup(name);
ROUTEMAP(red) = route_map_lookup_by_name(name); ROUTEMAP(red) = route_map_lookup_by_name(name);
route_map_counter_increment(ROUTEMAP(red));
} }
void ospf_routemap_unset(struct ospf_redist *red) void ospf_routemap_unset(struct ospf_redist *red)
{ {
if (ROUTEMAP_NAME(red)) if (ROUTEMAP_NAME(red)) {
route_map_counter_decrement(ROUTEMAP(red));
free(ROUTEMAP_NAME(red)); free(ROUTEMAP_NAME(red));
}
ROUTEMAP_NAME(red) = NULL; ROUTEMAP_NAME(red) = NULL;
ROUTEMAP(red) = NULL; ROUTEMAP(red) = NULL;