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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2009 Intel Corporation. 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 version 2 as
* published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/cbs.h>
#include "util.h"
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
static const char *none_prefix[] = { NULL };
static void at_cbm_notify(GAtResult *result, gpointer user_data)
{
struct ofono_cbs *cbs = user_data;
const char *hexpdu;
int pdulen;
GAtResultIter iter;
unsigned char pdu[88];
long hexpdulen;
dump_response("at_cbm_notify", TRUE, result);
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CBM:"))
return;
if (!g_at_result_iter_next_number(&iter, &pdulen))
return;
hexpdu = g_at_result_pdu(result);
if (!hexpdu) {
ofono_error("Got a CBM, but no PDU. Are we in text mode?");
return;
}
ofono_debug("Got new Cell Broadcast via CBM: %s, %d", hexpdu, pdulen);
if (decode_hex_own_buf(hexpdu, -1, &hexpdulen, 0, pdu) == NULL) {
ofono_error("Unable to hex-decode the PDU");
return;
}
if (hexpdulen != pdulen) {
ofono_error("hexpdu length not equal to reported pdu length");
return;
}
ofono_cbs_notify(cbs, pdu, pdulen);
}
static void at_cscb_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_cbs_set_cb_t cb = cbd->cb;
struct ofono_error error;
dump_response("cscb_set_cb", ok, result);
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_cbs_set_topics(struct ofono_cbs *cbs, const char *topics,
ofono_cbs_set_cb_t cb, void *user_data)
{
GAtChat *chat = ofono_cbs_get_data(cbs);
struct cb_data *cbd = cb_data_new(cb, user_data);
char *buf;
unsigned int id;
if (!cbd)
goto error;
buf = g_strdup_printf("AT+CSCB=0,\"%s\"", topics);
id = g_at_chat_send(chat, buf, none_prefix,
at_cscb_set_cb, cbd, g_free);
g_free(buf);
if (id > 0)
return;
error:
if (cbd)
g_free(cbd);
{
DECLARE_FAILURE(error);
cb(&error, user_data);
}
}
static void at_cbs_clear_topics(struct ofono_cbs *cbs,
ofono_cbs_set_cb_t cb, void *user_data)
{
GAtChat *chat = ofono_cbs_get_data(cbs);
struct cb_data *cbd = cb_data_new(cb, user_data);
if (!cbd)
goto error;
if (g_at_chat_send(chat, "AT+CSCB=1,\"0-65535\"", none_prefix,
at_cscb_set_cb, cbd, g_free) > 0)
return;
error:
if (cbd)
g_free(cbd);
{
DECLARE_FAILURE(error);
cb(&error, user_data);
}
}
static gboolean at_cbs_register(gpointer user)
{
struct ofono_cbs *cbs = user;
GAtChat *chat = ofono_cbs_get_data(cbs);
/* This driver assumes that something else will properly setup
* CNMI notifications to deliver CBS broadcasts via +CBM. We do
* not setup CNMI string ourselves here to avoid race conditions
* with the SMS driver which will also be setting the CNMI itself
*
* The default SMS driver will setup the CNMI for +CBM delivery
* appropriately for us
*/
g_at_chat_register(chat, "+CBM:", at_cbm_notify, TRUE, cbs, NULL);
ofono_cbs_register(cbs);
return FALSE;
}
static int at_cbs_probe(struct ofono_cbs *cbs, unsigned int vendor,
void *data)
{
GAtChat *chat = data;
ofono_cbs_set_data(cbs, chat);
g_idle_add(at_cbs_register, cbs);
return 0;
}
static void at_cbs_remove(struct ofono_cbs *cbs)
{
}
static struct ofono_cbs_driver driver = {
.name = "atmodem",
.probe = at_cbs_probe,
.remove = at_cbs_remove,
.set_topics = at_cbs_set_topics,
.clear_topics = at_cbs_clear_topics,
};
void at_cbs_init()
{
ofono_cbs_driver_register(&driver);
}
void at_cbs_exit()
{
ofono_cbs_driver_unregister(&driver);
}
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