Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 1 | /* MGCP Private Data */ |
| 2 | |
| 3 | /* |
| 4 | * (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 5 | * (C) 2009-2010 by On-Waves |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef OPENBSC_MGCP_DATA_H |
| 25 | #define OPENBSC_MGCP_DATA_H |
| 26 | |
Holger Hans Peter Freyther | 1ebad74 | 2010-02-26 20:16:37 +0100 | [diff] [blame] | 27 | #include <osmocore/select.h> |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 28 | |
| 29 | #define CI_UNUSED 0 |
| 30 | |
Holger Hans Peter Freyther | 98a3877 | 2010-08-03 02:27:21 +0800 | [diff] [blame] | 31 | enum mgcp_connection_mode { |
| 32 | MGCP_CONN_NONE = 0, |
| 33 | MGCP_CONN_RECV_ONLY = 1, |
| 34 | MGCP_CONN_SEND_ONLY = 2, |
| 35 | MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY, |
| 36 | MGCP_CONN_LOOPBACK = 4, |
| 37 | }; |
| 38 | |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 39 | struct mgcp_rtp_state { |
| 40 | int initialized; |
Holger Hans Peter Freyther | 5c1e6cf | 2010-08-03 15:36:57 +0000 | [diff] [blame] | 41 | int patch; |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 42 | |
Holger Hans Peter Freyther | 6aa882b | 2010-08-03 14:35:50 +0000 | [diff] [blame] | 43 | uint32_t orig_ssrc; |
| 44 | uint32_t ssrc; |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 45 | uint16_t seq_no; |
| 46 | int lost_no; |
Holger Hans Peter Freyther | 6aa882b | 2010-08-03 14:35:50 +0000 | [diff] [blame] | 47 | int seq_offset; |
| 48 | uint32_t last_timestamp; |
| 49 | int32_t timestamp_offset; |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 50 | }; |
Holger Hans Peter Freyther | 98a3877 | 2010-08-03 02:27:21 +0800 | [diff] [blame] | 51 | |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 52 | struct mgcp_rtp_end { |
| 53 | /* statistics */ |
| 54 | unsigned int packets; |
| 55 | struct in_addr addr; |
| 56 | |
| 57 | /* in network byte order */ |
| 58 | int rtp_port, rtcp_port; |
| 59 | |
| 60 | int payload_type; |
Holger Hans Peter Freyther | 58ff219 | 2010-08-05 03:08:35 +0800 | [diff] [blame] | 61 | |
Holger Hans Peter Freyther | c492127 | 2010-08-05 03:37:22 +0800 | [diff] [blame] | 62 | /* |
| 63 | * Each end has a socket... |
| 64 | */ |
| 65 | struct bsc_fd rtp; |
| 66 | struct bsc_fd rtcp; |
| 67 | |
Holger Hans Peter Freyther | 58ff219 | 2010-08-05 03:08:35 +0800 | [diff] [blame] | 68 | int local_port; |
Holger Hans Peter Freyther | f138f91 | 2010-08-05 08:08:17 +0800 | [diff] [blame] | 69 | int local_alloc; |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 70 | }; |
| 71 | |
Holger Hans Peter Freyther | 260d6ed | 2010-08-06 01:12:21 +0800 | [diff] [blame] | 72 | enum { |
| 73 | MGCP_TAP_BTS_IN, |
| 74 | MGCP_TAP_BTS_OUT, |
| 75 | MGCP_TAP_NET_IN, |
| 76 | MGCP_TAP_NET_OUT, |
| 77 | |
| 78 | /* last element */ |
| 79 | MGCP_TAP_COUNT |
| 80 | }; |
| 81 | |
| 82 | struct mgcp_rtp_tap { |
| 83 | int enabled; |
| 84 | struct sockaddr_in forward; |
| 85 | }; |
| 86 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 87 | struct mgcp_endpoint { |
Holger Hans Peter Freyther | 39a97e2 | 2010-08-06 18:03:11 +0800 | [diff] [blame] | 88 | int allocated; |
Holger Hans Peter Freyther | 4634013 | 2010-08-06 08:26:54 +0800 | [diff] [blame] | 89 | uint32_t ci; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 90 | char *callid; |
| 91 | char *local_options; |
| 92 | int conn_mode; |
Holger Hans Peter Freyther | c597a4e | 2010-08-03 02:57:02 +0800 | [diff] [blame] | 93 | int orig_mode; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 94 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 95 | /* backpointer */ |
| 96 | struct mgcp_config *cfg; |
Holger Hans Peter Freyther | b4b135e | 2010-04-07 09:37:17 +0200 | [diff] [blame] | 97 | |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 98 | /* port status for bts/net */ |
| 99 | struct mgcp_rtp_end bts_end; |
| 100 | struct mgcp_rtp_end net_end; |
Holger Hans Peter Freyther | 380b871 | 2010-07-29 02:38:39 +0800 | [diff] [blame] | 101 | |
| 102 | /* sequence bits */ |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 103 | struct mgcp_rtp_state net_state; |
| 104 | struct mgcp_rtp_state bts_state; |
Holger Hans Peter Freyther | 6357a8e | 2010-08-05 12:07:00 +0000 | [diff] [blame] | 105 | |
| 106 | /* SSRC/seq/ts patching for loop */ |
| 107 | int allow_patch; |
Holger Hans Peter Freyther | 260d6ed | 2010-08-06 01:12:21 +0800 | [diff] [blame] | 108 | |
| 109 | /* tap for the endpoint */ |
| 110 | struct mgcp_rtp_tap taps[MGCP_TAP_COUNT]; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 111 | }; |
| 112 | |
| 113 | #define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints) |
| 114 | |
Holger Hans Peter Freyther | f2f1591 | 2010-04-01 03:27:04 +0200 | [diff] [blame] | 115 | struct mgcp_msg_ptr { |
| 116 | unsigned int start; |
| 117 | unsigned int length; |
| 118 | }; |
| 119 | |
| 120 | int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg, |
| 121 | struct mgcp_msg_ptr *ptr, int size, |
| 122 | const char **transaction_id, struct mgcp_endpoint **endp); |
Holger Hans Peter Freyther | b844b87 | 2010-04-21 21:25:13 +0800 | [diff] [blame] | 123 | int mgcp_send_dummy(struct mgcp_endpoint *endp); |
Holger Hans Peter Freyther | bb89aa1 | 2010-08-05 03:29:33 +0800 | [diff] [blame] | 124 | int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port); |
Holger Hans Peter Freyther | 314584a | 2010-08-05 04:10:21 +0800 | [diff] [blame] | 125 | int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port); |
Holger Hans Peter Freyther | f138f91 | 2010-08-05 08:08:17 +0800 | [diff] [blame] | 126 | int mgcp_free_rtp_port(struct mgcp_rtp_end *end); |
Holger Hans Peter Freyther | f2f1591 | 2010-04-01 03:27:04 +0200 | [diff] [blame] | 127 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 128 | #endif |