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/*
* (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2008 by Stefan Schmidt <stefan@datenfreihafen.org>
* 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.
*
*/
#ifndef _CALL_HANDLING_H
#define _CALL_HANDLING_H
#include "linuxlist.h"
#include "gsm_subscriber.h"
#include "timer.h"
/*
* State transitions to be seen from the outside
*/
#define CALL_STATE_NULL 0
#define CALL_STATE_SETUP 1
#define CALL_STATE_PROCEED 2
#define CALL_STATE_ALERT 3
#define CALL_STATE_CONNECT 4
#define CALL_STATE_ACTIVE 5
#define CALL_STATE_RELEASE 6
struct call_data {
struct llist_head entry;
void (*state_change_cb)(int oldstate, int newstate, int event, void *data);
void *data;
char *destination_number;
/* Internal */
int state;
char tmsi[GSM_TMSI_LENGTH];
struct timer_list t30x; /* to be added for... */
};
int call_initiate(struct call_data *call, char *tmsi);
void call_abort(struct call_data *call);
/**
* Get notified about new incoming calls. The call_data is owned
* and managed by the internal call handling.
*/
void call_set_callback(void (*cb)(struct call_data *call, void *data), void* data);
void call_proceed(struct call_data *call_data);
void call_connect(struct call_data *call_data);
#endif /* _CALL_HANDLING_H */
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