mirror of git://git.sysmocom.de/ofono
speedup: Add speedup driver to handle USSD
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2012 Intel Corporation. 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 General Public License version 2 as
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* published by the Free Software Foundation.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <glib.h>
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#include <gatchat.h>
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#define OFONO_API_SUBJECT_TO_CHANGE
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#include <ofono/plugin.h>
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#include <ofono/types.h>
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#include "speedupmodem.h"
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static int speedupmodem_init(void)
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{
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speedup_ussd_init();
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return 0;
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}
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static void speedupmodem_exit(void)
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{
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speedup_ussd_exit();
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}
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OFONO_PLUGIN_DEFINE(speedupmodem, "SpeedUp modem driver", VERSION,
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OFONO_PLUGIN_PRIORITY_DEFAULT,
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speedupmodem_init, speedupmodem_exit)
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@ -0,0 +1,25 @@
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. 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 General Public License version 2 as
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* published by the Free Software Foundation.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <drivers/atmodem/atutil.h>
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extern void speedup_ussd_init(void);
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extern void speedup_ussd_exit(void);
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@ -0,0 +1,224 @@
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2012 Intel Corporation. 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 General Public License version 2 as
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* published by the Free Software Foundation.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/ussd.h>
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#include "util.h"
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#include "gatchat.h"
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#include "speedupmodem.h"
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static const char *cusd_prefix[] = { "+CUSD:", NULL };
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static const char *none_prefix[] = { NULL };
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struct ussd_data {
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GAtChat *chat;
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};
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static void cusd_parse(GAtResult *result, struct ofono_ussd *ussd)
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{
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GAtResultIter iter;
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int status, dcs;
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const char *content;
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unsigned char msg[160];
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const unsigned char *msg_ptr = NULL;
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long msg_len;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CUSD:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &status))
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return;
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if (!g_at_result_iter_next_string(&iter, &content))
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goto out;
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if (!g_at_result_iter_next_number(&iter, &dcs))
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dcs = 0;
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msg_ptr = decode_hex_own_buf(content, -1, &msg_len, 0, msg);
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out:
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ofono_ussd_notify(ussd, status, dcs, msg_ptr, msg_ptr ? msg_len : 0);
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}
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static void cusd_request_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_ussd_cb_t cb = cbd->cb;
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struct ofono_ussd *ussd = cbd->user;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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cusd_parse(result, ussd);
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}
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static void speedup_ussd_request(struct ofono_ussd *ussd, int dcs,
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const unsigned char *pdu, int len,
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ofono_ussd_cb_t cb, void *user_data)
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{
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struct ussd_data *data = ofono_ussd_get_data(ussd);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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char buf[512], coded_buf[182];
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long written;
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cbd->user = ussd;
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unpack_7bit_own_buf(pdu, len, 0, TRUE, sizeof(coded_buf),
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&written, 0, (unsigned char *)coded_buf);
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if (written < 1)
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goto error;
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snprintf(buf, sizeof(buf), "AT+CUSD=1,\"%.*s\",%d", (int) written,
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coded_buf, dcs);
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if (g_at_chat_send(data->chat, buf, cusd_prefix,
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cusd_request_cb, cbd, g_free) > 0)
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return;
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error:
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, user_data);
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}
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static void cusd_cancel_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_ussd_cb_t cb = cbd->cb;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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/*
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* All errors and notifications arrive unexpected and
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* thus just reset the state here. This is safer than
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* getting stuck in a dead-lock.
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*/
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error.type = OFONO_ERROR_TYPE_NO_ERROR;
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error.error = 0;
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cb(&error, cbd->data);
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}
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static void speedup_ussd_cancel(struct ofono_ussd *ussd,
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ofono_ussd_cb_t cb, void *user_data)
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{
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struct ussd_data *data = ofono_ussd_get_data(ussd);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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cbd->user = data;
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if (g_at_chat_send(data->chat, "AT+CUSD=2", none_prefix,
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cusd_cancel_cb, cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, user_data);
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}
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static void cusd_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_ussd *ussd = user_data;
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cusd_parse(result, ussd);
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}
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static void cusd_register(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_ussd *ussd = user_data;
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struct ussd_data *data = ofono_ussd_get_data(ussd);
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if (!ok) {
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ofono_error("Could not enable CUSD notifications");
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return;
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}
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g_at_chat_register(data->chat, "+CUSD:", cusd_notify,
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FALSE, ussd, NULL);
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ofono_ussd_register(ussd);
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}
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static int speedup_ussd_probe(struct ofono_ussd *ussd,
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unsigned int vendor, void *user)
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{
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GAtChat *chat = user;
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struct ussd_data *data;
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data = g_try_new0(struct ussd_data, 1);
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if (data == NULL)
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return -ENOMEM;
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data->chat = g_at_chat_clone(chat);
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ofono_ussd_set_data(ussd, data);
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g_at_chat_send(data->chat, "AT+CUSD=1", none_prefix,
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cusd_register, ussd, NULL);
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return 0;
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}
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static void speedup_ussd_remove(struct ofono_ussd *ussd)
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{
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struct ussd_data *data = ofono_ussd_get_data(ussd);
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ofono_ussd_set_data(ussd, NULL);
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g_at_chat_unref(data->chat);
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g_free(data);
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}
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static struct ofono_ussd_driver driver = {
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.name = "speedupmodem",
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.probe = speedup_ussd_probe,
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.remove = speedup_ussd_remove,
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.request = speedup_ussd_request,
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.cancel = speedup_ussd_cancel,
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};
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void speedup_ussd_init(void)
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{
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ofono_ussd_driver_register(&driver);
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}
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void speedup_ussd_exit(void)
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{
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ofono_ussd_driver_unregister(&driver);
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}
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