* IS-IS Rout(e)ing protocol - isis_dynhn.c
* Dynamic hostname cache
* Copyright (C) 2001,2002 Sampo Saaristo
- * Tampere University of Technology
+ * 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)
+ * 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
+ * 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
extern struct host host;
struct list *dyn_cache = NULL;
-static int dyn_cache_cleanup (struct thread *);
+static int dyn_cache_cleanup(struct thread *);
-void
-dyn_cache_init (void)
+void dyn_cache_init(void)
{
- if (dyn_cache == NULL)
- dyn_cache = list_new ();
- thread_add_timer(master, dyn_cache_cleanup, NULL, 120, &isis->t_dync_clean);
- return;
+ if (dyn_cache == NULL)
+ dyn_cache = list_new();
+ thread_add_timer(master, dyn_cache_cleanup, NULL, 120,
+ &isis->t_dync_clean);
+ return;
}
-static int
-dyn_cache_cleanup (struct thread *thread)
+static int dyn_cache_cleanup(struct thread *thread)
{
- struct listnode *node, *nnode;
- struct isis_dynhn *dyn;
- time_t now = time (NULL);
+ struct listnode *node, *nnode;
+ struct isis_dynhn *dyn;
+ time_t now = time(NULL);
- isis->t_dync_clean = NULL;
+ isis->t_dync_clean = NULL;
- for (ALL_LIST_ELEMENTS (dyn_cache, node, nnode, dyn))
- {
- if ((now - dyn->refresh) < MAX_LSP_LIFETIME)
- continue;
+ for (ALL_LIST_ELEMENTS(dyn_cache, node, nnode, dyn)) {
+ if ((now - dyn->refresh) < MAX_LSP_LIFETIME)
+ continue;
- list_delete_node (dyn_cache, node);
- XFREE (MTYPE_ISIS_DYNHN, dyn);
- }
+ list_delete_node(dyn_cache, node);
+ XFREE(MTYPE_ISIS_DYNHN, dyn);
+ }
- thread_add_timer(master, dyn_cache_cleanup, NULL, 120, &isis->t_dync_clean);
- return ISIS_OK;
+ thread_add_timer(master, dyn_cache_cleanup, NULL, 120,
+ &isis->t_dync_clean);
+ return ISIS_OK;
}
-struct isis_dynhn *
-dynhn_find_by_id (const u_char * id)
+struct isis_dynhn *dynhn_find_by_id(const u_char *id)
{
- struct listnode *node = NULL;
- struct isis_dynhn *dyn = NULL;
+ struct listnode *node = NULL;
+ struct isis_dynhn *dyn = NULL;
- for (ALL_LIST_ELEMENTS_RO (dyn_cache, node, dyn))
- if (memcmp (dyn->id, id, ISIS_SYS_ID_LEN) == 0)
- return dyn;
+ for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn))
+ if (memcmp(dyn->id, id, ISIS_SYS_ID_LEN) == 0)
+ return dyn;
- return NULL;
+ return NULL;
}
-struct isis_dynhn *
-dynhn_find_by_name (const char *hostname)
+struct isis_dynhn *dynhn_find_by_name(const char *hostname)
{
- struct listnode *node = NULL;
- struct isis_dynhn *dyn = NULL;
+ struct listnode *node = NULL;
+ struct isis_dynhn *dyn = NULL;
- for (ALL_LIST_ELEMENTS_RO (dyn_cache, node, dyn))
- if (strncmp ((char *)dyn->name.name, hostname, 255) == 0)
- return dyn;
+ for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn))
+ if (strncmp((char *)dyn->name.name, hostname, 255) == 0)
+ return dyn;
- return NULL;
+ return NULL;
}
-void
-isis_dynhn_insert (const u_char * id, struct hostname *hostname, int level)
+void isis_dynhn_insert(const u_char *id, struct hostname *hostname, int level)
{
- struct isis_dynhn *dyn;
-
- dyn = dynhn_find_by_id (id);
- if (dyn)
- {
- memcpy (&dyn->name, hostname, hostname->namelen + 1);
- memcpy (dyn->id, id, ISIS_SYS_ID_LEN);
- dyn->refresh = time (NULL);
- return;
- }
- dyn = XCALLOC (MTYPE_ISIS_DYNHN, sizeof (struct isis_dynhn));
- if (!dyn)
- {
- zlog_warn ("isis_dynhn_insert(): out of memory!");
- return;
- }
-
- /* we also copy the length */
- memcpy (&dyn->name, hostname, hostname->namelen + 1);
- memcpy (dyn->id, id, ISIS_SYS_ID_LEN);
- dyn->refresh = time (NULL);
- dyn->level = level;
-
- listnode_add (dyn_cache, dyn);
-
- return;
+ struct isis_dynhn *dyn;
+
+ dyn = dynhn_find_by_id(id);
+ if (dyn) {
+ memcpy(&dyn->name, hostname, hostname->namelen + 1);
+ memcpy(dyn->id, id, ISIS_SYS_ID_LEN);
+ dyn->refresh = time(NULL);
+ return;
+ }
+ dyn = XCALLOC(MTYPE_ISIS_DYNHN, sizeof(struct isis_dynhn));
+ if (!dyn) {
+ zlog_warn("isis_dynhn_insert(): out of memory!");
+ return;
+ }
+
+ /* we also copy the length */
+ memcpy(&dyn->name, hostname, hostname->namelen + 1);
+ memcpy(dyn->id, id, ISIS_SYS_ID_LEN);
+ dyn->refresh = time(NULL);
+ dyn->level = level;
+
+ listnode_add(dyn_cache, dyn);
+
+ return;
}
-void
-isis_dynhn_remove (const u_char * id)
+void isis_dynhn_remove(const u_char *id)
{
- struct isis_dynhn *dyn;
-
- dyn = dynhn_find_by_id (id);
- if (!dyn)
- return;
- listnode_delete (dyn_cache, dyn);
- XFREE (MTYPE_ISIS_DYNHN, dyn);
- return;
+ struct isis_dynhn *dyn;
+
+ dyn = dynhn_find_by_id(id);
+ if (!dyn)
+ return;
+ listnode_delete(dyn_cache, dyn);
+ XFREE(MTYPE_ISIS_DYNHN, dyn);
+ return;
}
/*
* 2 0000.0000.0002 bar-gw
* * 0000.0000.0004 this-gw
*/
-void
-dynhn_print_all (struct vty *vty)
+void dynhn_print_all(struct vty *vty)
{
- struct listnode *node;
- struct isis_dynhn *dyn;
-
- vty_out (vty, "Level System ID Dynamic Hostname\n");
- for (ALL_LIST_ELEMENTS_RO (dyn_cache, node, dyn))
- {
- vty_out (vty, "%-7d", dyn->level);
- vty_out (vty, "%-15s%-15s\n", sysid_print (dyn->id),dyn->name.name);
- }
-
- vty_out (vty, " * %s %s\n", sysid_print (isis->sysid),unix_hostname());
- return;
+ struct listnode *node;
+ struct isis_dynhn *dyn;
+
+ vty_out(vty, "Level System ID Dynamic Hostname\n");
+ for (ALL_LIST_ELEMENTS_RO(dyn_cache, node, dyn)) {
+ vty_out(vty, "%-7d", dyn->level);
+ vty_out(vty, "%-15s%-15s\n", sysid_print(dyn->id),
+ dyn->name.name);
+ }
+
+ vty_out(vty, " * %s %s\n", sysid_print(isis->sysid),
+ unix_hostname());
+ return;
}
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