diff options
Diffstat (limited to 'openbsc/src/libcommon/gsm_subscriber_base.c')
-rw-r--r-- | openbsc/src/libcommon/gsm_subscriber_base.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/openbsc/src/libcommon/gsm_subscriber_base.c b/openbsc/src/libcommon/gsm_subscriber_base.c deleted file mode 100644 index 1ecdee5a5..000000000 --- a/openbsc/src/libcommon/gsm_subscriber_base.c +++ /dev/null @@ -1,163 +0,0 @@ -/* The concept of a subscriber as seen by the BSC */ - -/* (C) 2008 by Harald Welte <laforge@gnumonks.org> - * (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org> - * (C) 2010 by On-Waves - * - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <assert.h> - -#include <osmocom/core/talloc.h> -#include <osmocom/core/utils.h> -#include <openbsc/gsm_subscriber.h> -#include <openbsc/debug.h> - -LLIST_HEAD(active_subscribers); -void *tall_subscr_ctx; - -/* for the gsm_subscriber.c */ -struct llist_head *subscr_bsc_active_subscribers(void) -{ - return &active_subscribers; -} - - -char *subscr_name(struct gsm_subscriber *subscr) -{ - if (!subscr) - return "unknown"; - - if (strlen(subscr->name)) - return subscr->name; - - return subscr->imsi; -} - -struct gsm_subscriber *subscr_alloc(void) -{ - struct gsm_subscriber *s; - - s = talloc_zero(tall_subscr_ctx, struct gsm_subscriber); - if (!s) - return NULL; - - llist_add_tail(&s->entry, &active_subscribers); - s->use_count = 1; - s->tmsi = GSM_RESERVED_TMSI; - - INIT_LLIST_HEAD(&s->requests); - - return s; -} - -static void subscr_free(struct gsm_subscriber *subscr) -{ - llist_del(&subscr->entry); - talloc_free(subscr); -} - -void subscr_direct_free(struct gsm_subscriber *subscr) -{ - OSMO_ASSERT(subscr->use_count == 1); - subscr_free(subscr); -} - -struct gsm_subscriber *subscr_get(struct gsm_subscriber *subscr) -{ - subscr->use_count++; - DEBUGP(DREF, "subscr %s usage increases usage to: %d\n", - subscr->extension, subscr->use_count); - return subscr; -} - -struct gsm_subscriber *subscr_put(struct gsm_subscriber *subscr) -{ - subscr->use_count--; - DEBUGP(DREF, "subscr %s usage decreased usage to: %d\n", - subscr->extension, subscr->use_count); - if (subscr->use_count <= 0 && - !((subscr->group && subscr->group->keep_subscr) || - subscr->keep_in_ram)) - subscr_free(subscr); - return NULL; -} - -struct gsm_subscriber *subscr_get_or_create(struct gsm_subscriber_group *sgrp, - const char *imsi) -{ - struct gsm_subscriber *subscr; - - llist_for_each_entry(subscr, subscr_bsc_active_subscribers(), entry) { - if (strcmp(subscr->imsi, imsi) == 0 && subscr->group == sgrp) - return subscr_get(subscr); - } - - subscr = subscr_alloc(); - if (!subscr) - return NULL; - - osmo_strlcpy(subscr->imsi, imsi, sizeof(subscr->imsi)); - subscr->group = sgrp; - return subscr; -} - -struct gsm_subscriber *subscr_active_by_tmsi(struct gsm_subscriber_group *sgrp, - uint32_t tmsi) -{ - struct gsm_subscriber *subscr; - - llist_for_each_entry(subscr, subscr_bsc_active_subscribers(), entry) { - if (subscr->tmsi == tmsi && subscr->group == sgrp) - return subscr_get(subscr); - } - - return NULL; -} - -struct gsm_subscriber *subscr_active_by_imsi(struct gsm_subscriber_group *sgrp, - const char *imsi) -{ - struct gsm_subscriber *subscr; - - llist_for_each_entry(subscr, subscr_bsc_active_subscribers(), entry) { - if (strcmp(subscr->imsi, imsi) == 0 && subscr->group == sgrp) - return subscr_get(subscr); - } - - return NULL; -} - -int subscr_purge_inactive(struct gsm_subscriber_group *sgrp) -{ - struct gsm_subscriber *subscr, *tmp; - int purged = 0; - - llist_for_each_entry_safe(subscr, tmp, subscr_bsc_active_subscribers(), entry) { - if (subscr->group == sgrp && subscr->use_count <= 0) { - subscr_free(subscr); - purged += 1; - } - } - - return purged; -} |