/* Mobile Station */
/* (C) 2010 by Holger Hans Peter Freyther
 * (C) 2010 by Harald Welte <laforge@gnumonks.org>
 * (C) 2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
 *
 * 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.
 *
 */
#include <osmocom/gsm/gsm48.h>

#include <osmocom/bb/common/ms.h>

extern struct llist_head ms_list;

/* Default value be configured by cmdline arg: */
uint16_t cfg_test_arfcn = 871;

static int osmocom_ms_talloc_destructor(struct osmocom_ms *ms)
{

	if (ms->sap_wq.bfd.fd > -1) {
		sap_close(ms);
		ms->sap_wq.bfd.fd = -1;
	}

	gprs_settings_fi(ms);
	gsm_subscr_exit(ms);
	gsm_sim_exit(ms);
	return 0;
}

struct osmocom_ms *osmocom_ms_alloc(void *ctx, const char *name)
{
	struct osmocom_ms *ms;

	ms = talloc_zero(ctx, struct osmocom_ms);
	if (!ms)
		return NULL;
	talloc_set_name(ms, "ms_%s", name);
	talloc_set_destructor(ms, osmocom_ms_talloc_destructor);

	ms->name = talloc_strdup(ms, name);
	ms->test_arfcn = cfg_test_arfcn;
	ms->lapdm_channel.lapdm_dcch.l1_ctx = ms;
	ms->lapdm_channel.lapdm_dcch.l3_ctx = ms;
	ms->lapdm_channel.lapdm_acch.l1_ctx = ms;
	ms->lapdm_channel.lapdm_acch.l3_ctx = ms;
	lapdm_channel_init(&ms->lapdm_channel, LAPDM_MODE_MS);
	lapdm_channel_set_l1(&ms->lapdm_channel, l1ctl_ph_prim_cb, ms);

	ms->l2_wq.bfd.fd = -1;
	ms->sap_wq.bfd.fd = -1;

	ms->gmmlayer.tlli = GSM_RESERVED_TMSI;

	/* Register a new MS */
	llist_add_tail(&ms->entity, &ms_list);

	gsm_support_init(ms);
	gsm_settings_init(ms);
	gprs_settings_init(ms);
	/* init SAP client before SIM card starts up */
	sap_init(ms);
	/* SAP response call-back */
	ms->sap_entity.sap_rsp_cb = &gsm_subscr_sap_rsp_cb;
	gsm_sim_init(ms);
	gsm_subscr_init(ms);

	return ms;
}