+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* IS-IS Rout(e)ing protocol - isis_dynhn.c
* Dynamic hostname cache
* Copyright (C) 2001,2002 Sampo Saaristo
* Tampere University of Technology
* Institute of Communications Engineering
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public Licenseas published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "isisd/isis_misc.h"
#include "isisd/isis_constants.h"
-extern struct host host;
+DEFINE_MTYPE_STATIC(ISISD, ISIS_DYNHN, "ISIS dyn hostname");
-struct list *dyn_cache = NULL;
-static int dyn_cache_cleanup(struct thread *);
+static void dyn_cache_cleanup(struct thread *);
void dyn_cache_init(struct isis *isis)
{
- if (dyn_cache == NULL)
- dyn_cache = list_new();
+ isis->dyn_cache = list_new();
if (!CHECK_FLAG(im->options, F_ISIS_UNIT_TEST))
thread_add_timer(master, dyn_cache_cleanup, isis, 120,
&isis->t_dync_clean);
- return;
}
-void dyn_cache_cleanup_all(void)
+void dyn_cache_finish(struct isis *isis)
{
struct listnode *node, *nnode;
struct isis_dynhn *dyn;
- for (ALL_LIST_ELEMENTS(dyn_cache, node, nnode, dyn)) {
- list_delete_node(dyn_cache, node);
+ THREAD_OFF(isis->t_dync_clean);
+
+ for (ALL_LIST_ELEMENTS(isis->dyn_cache, node, nnode, dyn)) {
+ list_delete_node(isis->dyn_cache, node);
XFREE(MTYPE_ISIS_DYNHN, dyn);
}
+
+ list_delete(&isis->dyn_cache);
}
-static int dyn_cache_cleanup(struct thread *thread)
+static void dyn_cache_cleanup(struct thread *thread)
{
struct listnode *node, *nnode;
struct isis_dynhn *dyn;
isis->t_dync_clean = NULL;
- for (ALL_LIST_ELEMENTS(dyn_cache, node, nnode, dyn)) {
+ for (ALL_LIST_ELEMENTS(isis->dyn_cache, node, nnode, dyn)) {
if ((now - dyn->refresh) < MAX_LSP_LIFETIME)
continue;
- list_delete_node(dyn_cache, node);
+ list_delete_node(isis->dyn_cache, node);
XFREE(MTYPE_ISIS_DYNHN, dyn);
}
thread_add_timer(master, dyn_cache_cleanup, isis, 120,
&isis->t_dync_clean);
-
- return ISIS_OK;
}
-struct isis_dynhn *dynhn_find_by_id(const uint8_t *id)
+struct isis_dynhn *dynhn_find_by_id(struct isis *isis, const uint8_t *id)
{
struct listnode *node = NULL;
struct isis_dynhn *dyn = NULL;
- for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn))
+ for (ALL_LIST_ELEMENTS_RO(isis->dyn_cache, node, dyn))
if (memcmp(dyn->id, id, ISIS_SYS_ID_LEN) == 0)
return dyn;
return NULL;
}
-struct isis_dynhn *dynhn_find_by_name(const char *hostname)
+struct isis_dynhn *dynhn_find_by_name(struct isis *isis, const char *hostname)
{
struct listnode *node = NULL;
struct isis_dynhn *dyn = NULL;
- for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn))
+ for (ALL_LIST_ELEMENTS_RO(isis->dyn_cache, node, dyn))
if (strncmp(dyn->hostname, hostname, 255) == 0)
return dyn;
return NULL;
}
-void isis_dynhn_insert(const uint8_t *id, const char *hostname, int level)
+void isis_dynhn_insert(struct isis *isis, const uint8_t *id,
+ const char *hostname, int level)
{
struct isis_dynhn *dyn;
- dyn = dynhn_find_by_id(id);
+ dyn = dynhn_find_by_id(isis, id);
if (!dyn) {
dyn = XCALLOC(MTYPE_ISIS_DYNHN, sizeof(struct isis_dynhn));
memcpy(dyn->id, id, ISIS_SYS_ID_LEN);
dyn->level = level;
- listnode_add(dyn_cache, dyn);
+ listnode_add(isis->dyn_cache, dyn);
}
snprintf(dyn->hostname, sizeof(dyn->hostname), "%s", hostname);
dyn->refresh = time(NULL);
}
-void isis_dynhn_remove(const uint8_t *id)
+void isis_dynhn_remove(struct isis *isis, const uint8_t *id)
{
struct isis_dynhn *dyn;
- dyn = dynhn_find_by_id(id);
+ dyn = dynhn_find_by_id(isis, id);
if (!dyn)
return;
- listnode_delete(dyn_cache, dyn);
+ listnode_delete(isis->dyn_cache, dyn);
XFREE(MTYPE_ISIS_DYNHN, dyn);
}
if (!isis->sysid_set)
return;
vty_out(vty, "Level System ID Dynamic Hostname\n");
- for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn)) {
+ for (ALL_LIST_ELEMENTS_RO(isis->dyn_cache, node, dyn)) {
vty_out(vty, "%-7d", dyn->level);
vty_out(vty, "%-15s%-15s\n", sysid_print(dyn->id),
dyn->hostname);
return;
}
-struct isis_dynhn *dynhn_snmp_next(const uint8_t *id, int level)
+struct isis_dynhn *dynhn_snmp_next(struct isis *isis, const uint8_t *id,
+ int level)
{
struct listnode *node = NULL;
struct isis_dynhn *dyn = NULL;
struct isis_dynhn *found_dyn = NULL;
int res;
- for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn)) {
+ for (ALL_LIST_ELEMENTS_RO(isis->dyn_cache, node, dyn)) {
res = memcmp(dyn->id, id, ISIS_SYS_ID_LEN);
if (res < 0)