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/* Dummy implementation of a subscriber database, roghly HLR/VLR functionality */
/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <openbsc/gsm_subscriber.h>
#include <openbsc/db.h>
LLIST_HEAD(active_subscribers);
struct gsm_subscriber *subscr_alloc(void)
{
struct gsm_subscriber *s;
s = malloc(sizeof(struct gsm_subscriber));
if (!s)
return NULL;
memset(s, 0, sizeof(*s));
llist_add_tail(&s->entry, &active_subscribers);
s->use_count = 1;
return s;
}
static void subscr_free(struct gsm_subscriber *subscr)
{
llist_del(&subscr->entry);
free(subscr);
}
struct gsm_subscriber *subscr_get_by_tmsi(const char *tmsi)
{
struct gsm_subscriber *subscr;
/* we might have a record in memory already */
llist_for_each_entry(subscr, &active_subscribers, entry) {
if (strcmp(subscr->tmsi, tmsi) == 0)
return subscr_get(subscr);
}
return db_get_subscriber(GSM_SUBSCRIBER_TMSI, tmsi);
}
struct gsm_subscriber *subscr_get_by_imsi(const char *imsi)
{
struct gsm_subscriber *subscr;
llist_for_each_entry(subscr, &active_subscribers, entry) {
if (strcmp(subscr->imsi, imsi) == 0)
return subscr_get(subscr);
}
return db_get_subscriber(GSM_SUBSCRIBER_IMSI, imsi);
}
int subscr_update(struct gsm_subscriber *s, struct gsm_bts *bts)
{
return db_sync_subscriber(s);
}
struct gsm_subscriber *subscr_get(struct gsm_subscriber *subscr)
{
subscr->use_count++;
return subscr;
}
struct gsm_subscriber *subscr_put(struct gsm_subscriber *subscr)
{
if (--subscr->use_count <= 0)
subscr_free(subscr);
return NULL;
}
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