145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
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/* MS subscriber data handling */
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/* (C) 2014 by sysmocom s.f.m.c. GmbH
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <openbsc/gsm_subscriber.h>
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#include <openbsc/sgsn.h>
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#include <openbsc/gprs_sgsn.h>
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#include <openbsc/gprs_gmm.h>
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#include <openbsc/debug.h>
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extern void *tall_bsc_ctx;
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void gprs_subscr_init(struct sgsn_instance *sgi)
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{
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}
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struct gsm_subscriber *gprs_subscr_get_or_create(const char *imsi)
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{
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struct gsm_subscriber *subscr;
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subscr = subscr_get_or_create(NULL, imsi);
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if (!subscr)
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return NULL;
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subscr->keep_in_ram = 1;
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return subscr;
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}
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struct gsm_subscriber *gprs_subscr_get_by_imsi(const char *imsi)
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{
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return subscr_active_by_imsi(NULL, imsi);
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}
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void gprs_subscr_delete(struct gsm_subscriber *subscr)
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{
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if (subscr->mm) {
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subscr_put(subscr->mm->subscr);
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subscr->mm->subscr = NULL;
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subscr->mm = NULL;
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}
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if ((subscr->flags & GPRS_SUBSCRIBER_CANCELLED) ||
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(subscr->flags & GSM_SUBSCRIBER_FIRST_CONTACT))
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subscr->keep_in_ram = 0;
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subscr_put(subscr);
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}
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void gprs_subscr_put_and_cancel(struct gsm_subscriber *subscr)
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{
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subscr->authorized = 0;
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subscr->flags |= GPRS_SUBSCRIBER_CANCELLED;
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gprs_subscr_update(subscr);
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gprs_subscr_delete(subscr);
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}
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int gprs_subscr_query(struct gsm_subscriber *subscr)
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{
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/* TODO: Implement remote query to MSC, ... */
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LOGMMCTXP(LOGL_INFO, subscr->mm,
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"subscriber data is not available (remote query NYI)\n");
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return -ENOTSUP;
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}
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void gprs_subscr_update(struct gsm_subscriber *subscr)
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{
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LOGMMCTXP(LOGL_DEBUG, subscr->mm, "Updating subscriber data\n");
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subscr->flags &= ~GPRS_SUBSCRIBER_UPDATE_PENDING;
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subscr->flags &= ~GSM_SUBSCRIBER_FIRST_CONTACT;
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sgsn_update_subscriber_data(subscr->mm, subscr);
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}
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int gprs_subscr_request_update(struct sgsn_mm_ctx *mmctx)
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{
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struct gsm_subscriber *subscr = NULL;
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int need_update = 0;
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int rc;
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LOGMMCTXP(LOGL_DEBUG, mmctx, "Requesting subscriber data update\n");
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if (mmctx->subscr) {
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subscr = subscr_get(mmctx->subscr);
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} else if (mmctx->imsi[0]) {
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subscr = gprs_subscr_get_by_imsi(mmctx->imsi);
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need_update = 1;
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}
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if (!subscr) {
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subscr = gprs_subscr_get_or_create(mmctx->imsi);
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subscr->flags |= GSM_SUBSCRIBER_FIRST_CONTACT;
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need_update = 1;
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}
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if (strcpy(subscr->equipment.imei, mmctx->imei) != 0) {
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strncpy(subscr->equipment.imei, mmctx->imei, GSM_IMEI_LENGTH-1);
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subscr->equipment.imei[GSM_IMEI_LENGTH-1] = 0;
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need_update = 1;
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}
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if (subscr->lac != mmctx->ra.lac) {
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subscr->lac = mmctx->ra.lac;
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need_update = 1;
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}
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if (need_update) {
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subscr->flags |= GPRS_SUBSCRIBER_UPDATE_PENDING;
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if (!mmctx->subscr) {
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subscr->mm = mmctx;
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mmctx->subscr = subscr_get(subscr);
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}
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rc = gprs_subscr_query(subscr);
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subscr_put(subscr);
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return rc;
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}
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gprs_subscr_update(subscr);
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subscr_put(subscr);
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return 0;
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}
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