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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 <stdlib.h>
#include <stdio.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/ussd.h>
#include "util.h"
#include "gatchat.h"
#include "gatresult.h"
#include "at.h"
static const char *none_prefix[] = { NULL };
static void cusd_request_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_ussd_cb_t cb = cbd->cb;
struct ofono_error error;
dump_response("cusd_request_cb", ok, result);
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_ussd_request(struct ofono_ussd *ussd, const char *str,
ofono_ussd_cb_t cb, void *data)
{
GAtChat *chat = ofono_ussd_get_data(ussd);
struct cb_data *cbd = cb_data_new(cb, data);
unsigned char *converted;
int dcs;
int max_len;
long written;
char buf[256];
if (!cbd)
goto error;
converted = convert_utf8_to_gsm(str, strlen(str), NULL, &written, 0);
/* TODO: Be able to convert to UCS2, although the standard does not
* indicate that this is actually possible
*/
if (!converted)
goto error;
else {
dcs = 15;
max_len = 182;
}
if (written > max_len)
goto error;
sprintf(buf, "AT+CUSD=1,\"%s\",%d", converted, dcs);
if (g_at_chat_send(chat, buf, none_prefix,
cusd_request_cb, cbd, g_free) > 0)
return;
error:
if (cbd)
g_free(cbd);
{
DECLARE_FAILURE(error);
cb(&error, data);
}
}
static void cusd_cancel_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_ussd_cb_t cb = cbd->cb;
struct ofono_error error;
dump_response("cusd_cancel_cb", ok, result);
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_ussd_cancel(struct ofono_ussd *ussd,
ofono_ussd_cb_t cb, void *data)
{
GAtChat *chat = ofono_ussd_get_data(ussd);
struct cb_data *cbd = cb_data_new(cb, data);
if (!cbd)
goto error;
if (g_at_chat_send(chat, "AT+CUSD=2", none_prefix,
cusd_cancel_cb, cbd, g_free) > 0)
return;
error:
if (cbd)
g_free(cbd);
{
DECLARE_FAILURE(error);
cb(&error, data);
}
}
static gboolean at_ussd_register(gpointer user)
{
struct ofono_ussd *ussd = user;
ofono_ussd_register(ussd);
return FALSE;
}
static int at_ussd_probe(struct ofono_ussd *ussd)
{
g_idle_add(at_ussd_register, ussd);
return 0;
}
static int at_ussd_remove(struct ofono_ussd *ussd)
{
return 0;
}
static struct ofono_ussd_driver driver = {
.name = "generic_at",
.probe = at_ussd_probe,
.remove = at_ussd_remove,
.request = at_ussd_request,
.cancel = at_ussd_cancel
};
void at_ussd_init()
{
ofono_ussd_driver_register(&driver);
}
void at_ussd_exit()
{
ofono_ussd_driver_unregister(&driver);
}
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