diff options
Diffstat (limited to 'src/libbsc/bsc_subscriber.c')
-rw-r--r-- | src/libbsc/bsc_subscriber.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/src/libbsc/bsc_subscriber.c b/src/libbsc/bsc_subscriber.c deleted file mode 100644 index 73e61e801..000000000 --- a/src/libbsc/bsc_subscriber.c +++ /dev/null @@ -1,168 +0,0 @@ -/* GSM subscriber details for use in BSC land */ - -/* - * (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> - * - * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de> - * - * 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 <talloc.h> -#include <string.h> -#include <limits.h> - -#include <osmocom/gsm/gsm48.h> -#include <osmocom/core/logging.h> - -#include <openbsc/bsc_subscriber.h> -#include <openbsc/debug.h> - -static struct bsc_subscr *bsc_subscr_alloc(struct llist_head *list) -{ - struct bsc_subscr *bsub; - - bsub = talloc_zero(list, struct bsc_subscr); - if (!bsub) - return NULL; - - llist_add_tail(&bsub->entry, list); - bsub->use_count = 1; - - return bsub; -} - -struct bsc_subscr *bsc_subscr_find_by_imsi(struct llist_head *list, - const char *imsi) -{ - struct bsc_subscr *bsub; - - if (!imsi || !*imsi) - return NULL; - - llist_for_each_entry(bsub, list, entry) { - if (!strcmp(bsub->imsi, imsi)) - return bsc_subscr_get(bsub); - } - return NULL; -} - -struct bsc_subscr *bsc_subscr_find_by_tmsi(struct llist_head *list, - uint32_t tmsi) -{ - struct bsc_subscr *bsub; - - if (tmsi == GSM_RESERVED_TMSI) - return NULL; - - llist_for_each_entry(bsub, list, entry) { - if (bsub->tmsi == tmsi) - return bsc_subscr_get(bsub); - } - return NULL; -} - -void bsc_subscr_set_imsi(struct bsc_subscr *bsub, const char *imsi) -{ - if (!bsub) - return; - osmo_strlcpy(bsub->imsi, imsi, sizeof(bsub->imsi)); -} - -struct bsc_subscr *bsc_subscr_find_or_create_by_imsi(struct llist_head *list, - const char *imsi) -{ - struct bsc_subscr *bsub; - bsub = bsc_subscr_find_by_imsi(list, imsi); - if (bsub) - return bsub; - bsub = bsc_subscr_alloc(list); - bsc_subscr_set_imsi(bsub, imsi); - return bsub; -} - -struct bsc_subscr *bsc_subscr_find_or_create_by_tmsi(struct llist_head *list, - uint32_t tmsi) -{ - struct bsc_subscr *bsub; - bsub = bsc_subscr_find_by_tmsi(list, tmsi); - if (bsub) - return bsub; - bsub = bsc_subscr_alloc(list); - bsub->tmsi = tmsi; - return bsub; -} - -const char *bsc_subscr_name(struct bsc_subscr *bsub) -{ - static char buf[32]; - if (!bsub) - return "unknown"; - if (bsub->imsi[0]) - snprintf(buf, sizeof(buf), "IMSI:%s", bsub->imsi); - else - snprintf(buf, sizeof(buf), "TMSI:0x%08x", bsub->tmsi); - return buf; -} - -static void bsc_subscr_free(struct bsc_subscr *bsub) -{ - llist_del(&bsub->entry); - talloc_free(bsub); -} - -struct bsc_subscr *_bsc_subscr_get(struct bsc_subscr *bsub, - const char *file, int line) -{ - OSMO_ASSERT(bsub->use_count < INT_MAX); - bsub->use_count++; - LOGPSRC(DREF, LOGL_DEBUG, file, line, - "BSC subscr %s usage increases to: %d\n", - bsc_subscr_name(bsub), bsub->use_count); - return bsub; -} - -struct bsc_subscr *_bsc_subscr_put(struct bsc_subscr *bsub, - const char *file, int line) -{ - bsub->use_count--; - LOGPSRC(DREF, bsub->use_count >= 0? LOGL_DEBUG : LOGL_ERROR, - file, line, - "BSC subscr %s usage decreases to: %d\n", - bsc_subscr_name(bsub), bsub->use_count); - if (bsub->use_count <= 0) - bsc_subscr_free(bsub); - return NULL; -} - -void log_set_filter_bsc_subscr(struct log_target *target, - struct bsc_subscr *bsc_subscr) -{ - struct bsc_subscr **fsub = (void*)&target->filter_data[LOG_FLT_BSC_SUBSCR]; - - /* free the old data */ - if (*fsub) { - bsc_subscr_put(*fsub); - *fsub = NULL; - } - - if (bsc_subscr) { - target->filter_map |= (1 << LOG_FLT_BSC_SUBSCR); - *fsub = bsc_subscr_get(bsc_subscr); - } else - target->filter_map &= ~(1 << LOG_FLT_BSC_SUBSCR); -} |