1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* MGCP Private Data */
/*
* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2010 by On-Waves
* 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 OPENBSC_MGCP_DATA_H
#define OPENBSC_MGCP_DATA_H
#include <osmocore/select.h>
#define CI_UNUSED 0
struct mgcp_endpoint {
int ci;
char *callid;
char *local_options;
int conn_mode;
int bts_payload_type;
int net_payload_type;
/* the local rtp port we are binding to */
int rtp_port;
/*
* RTP mangling:
* - we get RTP and RTCP to us and need to forward to the BTS
* - we get RTP and RTCP from the BTS and forward to the network
*/
struct bsc_fd local_rtp;
struct bsc_fd local_rtcp;
struct in_addr remote;
struct in_addr bts;
/* in network byte order */
int net_rtp, net_rtcp;
int bts_rtp, bts_rtcp;
/* backpointer */
struct mgcp_config *cfg;
/* statistics */
unsigned int in_bts;
unsigned int in_remote;
};
#define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints)
struct mgcp_msg_ptr {
unsigned int start;
unsigned int length;
};
int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg,
struct mgcp_msg_ptr *ptr, int size,
const char **transaction_id, struct mgcp_endpoint **endp);
#endif
|
