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isisd: implement the 'database-overload' notification

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Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
This commit is contained in:
Emanuele Di Pascale 2018-11-14 14:55:48 +01:00
parent 20600086b2
commit 9414b6f662
3 changed files with 48 additions and 0 deletions
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42
isisd/isis_northbound.c
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@ -2443,6 +2443,48 @@ static int lib_interface_isis_multi_topology_ipv6_dstsrc_modify(
ISIS_MT_IPV6_DSTSRC); ISIS_MT_IPV6_DSTSRC);
} }
/*
* NOTIFICATIONS
*/
static void notif_prep_instance_hdr(const char *xpath,
const struct isis_area *area,
const char *routing_instance,
struct list *args)
{
char xpath_arg[XPATH_MAXLEN];
struct yang_data *data;
snprintf(xpath_arg, sizeof(xpath_arg), "%s/routing-instance", xpath);
data = yang_data_new_string(xpath_arg, routing_instance);
listnode_add(args, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/routing-protocol-name",
xpath);
data = yang_data_new_string(xpath_arg, area->area_tag);
listnode_add(args, data);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/isis-level", xpath);
data = yang_data_new_enum(xpath_arg, area->is_type);
listnode_add(args, data);
}
/*
* XPath:
* /frr-isisd:database-overload
*/
void isis_notif_db_overload(const struct isis_area *area, bool overload)
{
const char *xpath = "/frr-isisd:database-overload";
struct list *arguments = yang_data_list_new();
char xpath_arg[XPATH_MAXLEN];
struct yang_data *data;
notif_prep_instance_hdr(xpath, area, "default", arguments);
snprintf(xpath_arg, sizeof(xpath_arg), "%s/overload", xpath);
data = yang_data_new_enum(xpath_arg, !!overload);
listnode_add(arguments, data);
nb_notification_send(xpath, arguments);
}
/* clang-format off */ /* clang-format off */
const struct frr_yang_module_info frr_isisd_info = { const struct frr_yang_module_info frr_isisd_info = {
.name = "frr-isisd", .name = "frr-isisd",

3
isisd/isisd.c
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@ -1763,6 +1763,9 @@ void isis_area_overload_bit_set(struct isis_area *area, bool overload_bit)
area->overload_bit = new_overload_bit; area->overload_bit = new_overload_bit;
lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1);
} }
#ifndef FABRICD
isis_notif_db_overload(area, overload_bit);
#endif /* ifndef FABRICD */
} }
void isis_area_attached_bit_set(struct isis_area *area, bool attached_bit) void isis_area_attached_bit_set(struct isis_area *area, bool attached_bit)

3
isisd/isisd.h
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@ -220,6 +220,9 @@ int isis_area_passwd_hmac_md5_set(struct isis_area *area, int level,
extern const struct frr_yang_module_info frr_isisd_info; extern const struct frr_yang_module_info frr_isisd_info;
extern void isis_northbound_init(void); extern void isis_northbound_init(void);
/* YANG northbound notifications */
extern void isis_notif_db_overload(const struct isis_area *area, bool overload);
/* Master of threads. */ /* Master of threads. */
extern struct thread_master *master; extern struct thread_master *master;