| /* The concept of a subscriber for the MSC, roughly 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 <assert.h> |
| |
| #include <openbsc/gsm_subscriber.h> |
| #include <openbsc/debug.h> |
| #include <openbsc/signal.h> |
| #include <openbsc/db.h> |
| |
| extern struct llist_head *subscr_bsc_active_subscriber(void); |
| |
| struct gsm_subscriber *subscr_get_by_tmsi(struct gsm_network *net, |
| u_int32_t tmsi) |
| { |
| char tmsi_string[14]; |
| struct gsm_subscriber *subscr; |
| |
| /* we might have a record in memory already */ |
| llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) { |
| if (tmsi == subscr->tmsi) |
| return subscr_get(subscr); |
| } |
| |
| sprintf(tmsi_string, "%u", tmsi); |
| return db_get_subscriber(net, GSM_SUBSCRIBER_TMSI, tmsi_string); |
| } |
| |
| struct gsm_subscriber *subscr_get_by_imsi(struct gsm_network *net, |
| const char *imsi) |
| { |
| struct gsm_subscriber *subscr; |
| |
| llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) { |
| if (strcmp(subscr->imsi, imsi) == 0) |
| return subscr_get(subscr); |
| } |
| |
| return db_get_subscriber(net, GSM_SUBSCRIBER_IMSI, imsi); |
| } |
| |
| struct gsm_subscriber *subscr_get_by_extension(struct gsm_network *net, |
| const char *ext) |
| { |
| struct gsm_subscriber *subscr; |
| |
| llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) { |
| if (strcmp(subscr->extension, ext) == 0) |
| return subscr_get(subscr); |
| } |
| |
| return db_get_subscriber(net, GSM_SUBSCRIBER_EXTENSION, ext); |
| } |
| |
| struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net, |
| unsigned long long id) |
| { |
| struct gsm_subscriber *subscr; |
| char buf[32]; |
| sprintf(buf, "%llu", id); |
| |
| llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) { |
| if (subscr->id == id) |
| return subscr_get(subscr); |
| } |
| |
| return db_get_subscriber(net, GSM_SUBSCRIBER_ID, buf); |
| } |
| |
| |
| int subscr_update(struct gsm_subscriber *s, struct gsm_bts *bts, int reason) |
| { |
| /* FIXME: Migrate pending requests from one BSC to another */ |
| switch (reason) { |
| case GSM_SUBSCRIBER_UPDATE_ATTACHED: |
| s->net = bts->network; |
| /* Indicate "attached to LAC" */ |
| s->lac = bts->location_area_code; |
| dispatch_signal(SS_SUBSCR, S_SUBSCR_ATTACHED, s); |
| break; |
| case GSM_SUBSCRIBER_UPDATE_DETACHED: |
| /* Only detach if we are currently in this area */ |
| if (bts->location_area_code == s->lac) |
| s->lac = GSM_LAC_RESERVED_DETACHED; |
| dispatch_signal(SS_SUBSCR, S_SUBSCR_DETACHED, s); |
| break; |
| default: |
| fprintf(stderr, "subscr_update with unknown reason: %d\n", |
| reason); |
| break; |
| }; |
| return db_sync_subscriber(s); |
| } |
| |
| |