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/* "Application" code of the layer2/3 stack */
/* (C) 2010 by Holger Hans Peter Freyther
* (C) 2010 by Harald Welte <laforge@gnumonks.org>
* (C) 2010 by Andreas Eversberg <jolly@eversberg.eu>
*
* 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 <errno.h>
#include <signal.h>
#include <osmocom/bb/common/osmocom_data.h>
#include <osmocom/bb/common/l1l2_interface.h>
#include <osmocom/bb/common/l1ctl.h>
#include <osmocom/bb/common/lapdm.h>
#include <osmocom/bb/common/logging.h>
#include <osmocom/bb/mobile/gsm48_rr.h>
#include <osmocom/bb/mobile/vty.h>
#include <osmocom/vty/telnet_interface.h>
#include <osmocore/msgb.h>
#include <osmocore/talloc.h>
#include <osmocore/select.h>
int mncc_recv_mobile(struct osmocom_ms *ms, int msg_type, void *arg);
int mncc_recv_dummy(struct osmocom_ms *ms, int msg_type, void *arg);
extern int (*l23_app_exit) (struct osmocom_ms *ms, int force);
int mobile_work(struct osmocom_ms *ms)
{
int work = 0, w;
do {
w = 0;
w |= gsm48_rsl_dequeue(ms);
w |= gsm48_rr_dequeue(ms);
w |= gsm48_mmxx_dequeue(ms);
w |= gsm48_mmr_dequeue(ms);
w |= gsm48_mmevent_dequeue(ms);
w |= gsm322_plmn_dequeue(ms);
w |= gsm322_cs_dequeue(ms);
w |= gsm_sim_job_dequeue(ms);
w |= mncc_dequeue(ms);
if (w)
work = 1;
} while (w);
return work;
}
int mobile_signal_cb(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
struct osmocom_ms *ms;
struct gsm_settings *set;
struct msgb *nmsg;
if (subsys != SS_L1CTL)
return 0;
switch (signal) {
case S_L1CTL_RESET:
ms = signal_data;
set = &ms->settings;
if (ms->started)
break;
/* insert test card, if enabled */
switch (set->sim_type) {
case GSM_SIM_TYPE_READER:
/* trigger sim card reader process */
gsm_subscr_simcard(ms);
break;
case GSM_SIM_TYPE_TEST:
gsm_subscr_testcard(ms, set->test_rplmn_mcc,
set->test_rplmn_mnc);
break;
default:
/* no SIM, trigger PLMN selection process */
nmsg = gsm322_msgb_alloc(GSM322_EVENT_SWITCH_ON);
if (!nmsg)
return -ENOMEM;
gsm322_plmn_sendmsg(ms, nmsg);
nmsg = gsm322_msgb_alloc(GSM322_EVENT_SWITCH_ON);
if (!nmsg)
return -ENOMEM;
gsm322_cs_sendmsg(ms, nmsg);
}
ms->started = 1;
}
return 0;
}
int mobile_exit(struct osmocom_ms *ms, int force)
{
struct gsm48_mmlayer *mm = &ms->mmlayer;
if (!force && ms->started) {
struct msgb *nmsg;
ms->shutdown = 1; /* going down */
nmsg = gsm48_mmevent_msgb_alloc(GSM48_MM_EVENT_IMSI_DETACH);
if (!nmsg)
return -ENOMEM;
gsm48_mmevent_msg(mm->ms, nmsg);
return -EBUSY;
}
gsm322_exit(ms);
gsm48_mm_exit(ms);
gsm48_rr_exit(ms);
gsm_subscr_exit(ms);
gsm48_cc_exit(ms);
gsm_sim_exit(ms);
lapdm_exit(&ms->l2_entity.lapdm_acch);
lapdm_exit(&ms->l2_entity.lapdm_dcch);
ms->shutdown = 2; /* being down */
vty_notify(ms, NULL);
vty_notify(ms, "Power off!\n");
printf("Power off! (MS %s)\n", ms->name);
return 0;
}
int l23_app_init(struct osmocom_ms *ms)
{
int rc;
lapdm_init(&ms->l2_entity.lapdm_dcch, ms);
lapdm_init(&ms->l2_entity.lapdm_acch, ms);
gsm_sim_init(ms);
gsm48_cc_init(ms);
gsm_subscr_init(ms);
gsm48_rr_init(ms);
gsm48_mm_init(ms);
INIT_LLIST_HEAD(&ms->trans_list);
gsm322_init(ms);
rc = layer2_open(ms, ms->settings.layer2_socket_path);
if (rc < 0) {
fprintf(stderr, "Failed during layer2_open()\n");
ms->l2_wq.bfd.fd = -1;
l23_app_exit(ms, 1);
return rc;
}
#if 0
rc = sap_open(ms, ms->settings.sap_socket_path);
if (rc < 0) {
fprintf(stderr, "Failed during sap_open(), no SIM reader\n");
ms->sap_wq.bfd.fd = -1;
l23_app_exit(ms, 1);
return rc;
}
#endif
if (ms->settings.ch_cap == GSM_CAP_SDCCH)
ms->cclayer.mncc_recv = mncc_recv_dummy;
else
ms->cclayer.mncc_recv = mncc_recv_mobile;
gsm_random_imei(&ms->settings);
ms->shutdown = 0;
ms->started = 0;
l1ctl_tx_reset_req(ms, L1CTL_RES_T_FULL);
printf("Mobile '%s' initialized, please start phone now!\n", ms->name);
return 0;
}
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