diff options
Diffstat (limited to 'openbsc/include/openbsc/call_handling.h')
| -rw-r--r-- | openbsc/include/openbsc/call_handling.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/call_handling.h b/openbsc/include/openbsc/call_handling.h new file mode 100644 index 000000000..02027889e --- /dev/null +++ b/openbsc/include/openbsc/call_handling.h @@ -0,0 +1,64 @@ +/* + * (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 */ |