Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 1 | /* MGCP Private Data */ |
| 2 | |
| 3 | /* |
Holger Hans Peter Freyther | 38e02c5 | 2012-10-22 18:09:35 +0200 | [diff] [blame] | 4 | * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 5 | * (C) 2009-2012 by On-Waves |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 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 |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 16 | * GNU Affero General Public License for more details. |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 17 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 20 | * |
| 21 | */ |
| 22 | |
| 23 | #ifndef OPENBSC_MGCP_DATA_H |
| 24 | #define OPENBSC_MGCP_DATA_H |
| 25 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 26 | #include <osmocom/core/select.h> |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 27 | |
| 28 | #define CI_UNUSED 0 |
| 29 | |
Holger Hans Peter Freyther | 98a3877 | 2010-08-03 02:27:21 +0800 | [diff] [blame] | 30 | enum mgcp_connection_mode { |
| 31 | MGCP_CONN_NONE = 0, |
| 32 | MGCP_CONN_RECV_ONLY = 1, |
| 33 | MGCP_CONN_SEND_ONLY = 2, |
| 34 | MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY, |
| 35 | MGCP_CONN_LOOPBACK = 4, |
| 36 | }; |
| 37 | |
Holger Hans Peter Freyther | 88ad772 | 2011-02-28 00:56:17 +0100 | [diff] [blame] | 38 | enum mgcp_trunk_type { |
| 39 | MGCP_TRUNK_VIRTUAL, |
| 40 | MGCP_TRUNK_E1, |
| 41 | }; |
| 42 | |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 43 | struct mgcp_rtp_state { |
| 44 | int initialized; |
Holger Hans Peter Freyther | 5c1e6cf | 2010-08-03 15:36:57 +0000 | [diff] [blame] | 45 | int patch; |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 46 | |
Holger Hans Peter Freyther | 6aa882b | 2010-08-03 14:35:50 +0000 | [diff] [blame] | 47 | uint32_t orig_ssrc; |
| 48 | uint32_t ssrc; |
Holger Hans Peter Freyther | ed3a661 | 2012-10-22 17:08:48 +0200 | [diff] [blame] | 49 | |
| 50 | uint16_t base_seq; |
| 51 | uint16_t max_seq; |
Holger Hans Peter Freyther | 6aa882b | 2010-08-03 14:35:50 +0000 | [diff] [blame] | 52 | int seq_offset; |
Holger Hans Peter Freyther | 769912c | 2012-10-22 17:30:12 +0200 | [diff] [blame] | 53 | int cycles; |
Holger Hans Peter Freyther | ed3a661 | 2012-10-22 17:08:48 +0200 | [diff] [blame] | 54 | |
Holger Hans Peter Freyther | 6aa882b | 2010-08-03 14:35:50 +0000 | [diff] [blame] | 55 | uint32_t last_timestamp; |
| 56 | int32_t timestamp_offset; |
Holger Hans Peter Freyther | 30690ad | 2012-10-24 20:31:25 +0200 | [diff] [blame^] | 57 | uint32_t jitter; |
| 58 | int32_t transit; |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 59 | }; |
Holger Hans Peter Freyther | 98a3877 | 2010-08-03 02:27:21 +0800 | [diff] [blame] | 60 | |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 61 | struct mgcp_rtp_end { |
| 62 | /* statistics */ |
| 63 | unsigned int packets; |
Holger Hans Peter Freyther | 952f752 | 2012-09-12 11:38:37 +0200 | [diff] [blame] | 64 | unsigned int octets; |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 65 | struct in_addr addr; |
| 66 | |
| 67 | /* in network byte order */ |
| 68 | int rtp_port, rtcp_port; |
| 69 | |
| 70 | int payload_type; |
Holger Hans Peter Freyther | 58ff219 | 2010-08-05 03:08:35 +0800 | [diff] [blame] | 71 | |
Holger Hans Peter Freyther | c492127 | 2010-08-05 03:37:22 +0800 | [diff] [blame] | 72 | /* |
| 73 | * Each end has a socket... |
| 74 | */ |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 75 | struct osmo_fd rtp; |
| 76 | struct osmo_fd rtcp; |
Holger Hans Peter Freyther | c492127 | 2010-08-05 03:37:22 +0800 | [diff] [blame] | 77 | |
Holger Hans Peter Freyther | 58ff219 | 2010-08-05 03:08:35 +0800 | [diff] [blame] | 78 | int local_port; |
Holger Hans Peter Freyther | f138f91 | 2010-08-05 08:08:17 +0800 | [diff] [blame] | 79 | int local_alloc; |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 80 | }; |
| 81 | |
Holger Hans Peter Freyther | 260d6ed | 2010-08-06 01:12:21 +0800 | [diff] [blame] | 82 | enum { |
| 83 | MGCP_TAP_BTS_IN, |
| 84 | MGCP_TAP_BTS_OUT, |
| 85 | MGCP_TAP_NET_IN, |
| 86 | MGCP_TAP_NET_OUT, |
| 87 | |
| 88 | /* last element */ |
| 89 | MGCP_TAP_COUNT |
| 90 | }; |
| 91 | |
| 92 | struct mgcp_rtp_tap { |
| 93 | int enabled; |
| 94 | struct sockaddr_in forward; |
| 95 | }; |
| 96 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 97 | struct mgcp_endpoint { |
Holger Hans Peter Freyther | 39a97e2 | 2010-08-06 18:03:11 +0800 | [diff] [blame] | 98 | int allocated; |
Holger Hans Peter Freyther | 4634013 | 2010-08-06 08:26:54 +0800 | [diff] [blame] | 99 | uint32_t ci; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 100 | char *callid; |
| 101 | char *local_options; |
| 102 | int conn_mode; |
Holger Hans Peter Freyther | c597a4e | 2010-08-03 02:57:02 +0800 | [diff] [blame] | 103 | int orig_mode; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 104 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 105 | /* backpointer */ |
| 106 | struct mgcp_config *cfg; |
Holger Hans Peter Freyther | 88ad772 | 2011-02-28 00:56:17 +0100 | [diff] [blame] | 107 | struct mgcp_trunk_config *tcfg; |
Holger Hans Peter Freyther | b4b135e | 2010-04-07 09:37:17 +0200 | [diff] [blame] | 108 | |
Holger Hans Peter Freyther | a17d701 | 2010-08-05 01:34:51 +0800 | [diff] [blame] | 109 | /* port status for bts/net */ |
| 110 | struct mgcp_rtp_end bts_end; |
| 111 | struct mgcp_rtp_end net_end; |
Holger Hans Peter Freyther | 2126233 | 2010-11-01 20:53:31 +0100 | [diff] [blame] | 112 | |
Holger Hans Peter Freyther | bd7b3c5 | 2010-11-01 21:04:54 +0100 | [diff] [blame] | 113 | /* |
| 114 | * For transcoding we will send from the local_port |
| 115 | * of trans_bts and it will arrive at trans_net from |
| 116 | * where we will forward it to the network. |
| 117 | */ |
| 118 | struct mgcp_rtp_end trans_bts; |
Holger Hans Peter Freyther | 2126233 | 2010-11-01 20:53:31 +0100 | [diff] [blame] | 119 | struct mgcp_rtp_end trans_net; |
Holger Hans Peter Freyther | b54048f | 2010-11-01 19:57:50 +0100 | [diff] [blame] | 120 | int is_transcoded; |
Holger Hans Peter Freyther | 380b871 | 2010-07-29 02:38:39 +0800 | [diff] [blame] | 121 | |
| 122 | /* sequence bits */ |
Holger Hans Peter Freyther | 3186892 | 2010-08-03 11:59:04 +0000 | [diff] [blame] | 123 | struct mgcp_rtp_state net_state; |
| 124 | struct mgcp_rtp_state bts_state; |
Holger Hans Peter Freyther | 6357a8e | 2010-08-05 12:07:00 +0000 | [diff] [blame] | 125 | |
| 126 | /* SSRC/seq/ts patching for loop */ |
| 127 | int allow_patch; |
Holger Hans Peter Freyther | 260d6ed | 2010-08-06 01:12:21 +0800 | [diff] [blame] | 128 | |
| 129 | /* tap for the endpoint */ |
| 130 | struct mgcp_rtp_tap taps[MGCP_TAP_COUNT]; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 131 | }; |
| 132 | |
Holger Hans Peter Freyther | 88ad772 | 2011-02-28 00:56:17 +0100 | [diff] [blame] | 133 | #define ENDPOINT_NUMBER(endp) abs(endp - endp->tcfg->endpoints) |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 134 | |
Holger Hans Peter Freyther | f2f1591 | 2010-04-01 03:27:04 +0200 | [diff] [blame] | 135 | struct mgcp_msg_ptr { |
| 136 | unsigned int start; |
| 137 | unsigned int length; |
| 138 | }; |
| 139 | |
Holger Hans Peter Freyther | b844b87 | 2010-04-21 21:25:13 +0800 | [diff] [blame] | 140 | int mgcp_send_dummy(struct mgcp_endpoint *endp); |
Holger Hans Peter Freyther | bb89aa1 | 2010-08-05 03:29:33 +0800 | [diff] [blame] | 141 | 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] | 142 | int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port); |
Holger Hans Peter Freyther | bd7b3c5 | 2010-11-01 21:04:54 +0100 | [diff] [blame] | 143 | int mgcp_bind_trans_bts_rtp_port(struct mgcp_endpoint *enp, int rtp_port); |
| 144 | int mgcp_bind_trans_net_rtp_port(struct mgcp_endpoint *enp, int rtp_port); |
Holger Hans Peter Freyther | f138f91 | 2010-08-05 08:08:17 +0800 | [diff] [blame] | 145 | int mgcp_free_rtp_port(struct mgcp_rtp_end *end); |
Holger Hans Peter Freyther | f2f1591 | 2010-04-01 03:27:04 +0200 | [diff] [blame] | 146 | |
Holger Hans Peter Freyther | bd7b3c5 | 2010-11-01 21:04:54 +0100 | [diff] [blame] | 147 | /* For transcoding we need to manage an in and an output that are connected */ |
| 148 | static inline int endp_back_channel(int endpoint) |
| 149 | { |
| 150 | return endpoint + 60; |
| 151 | } |
| 152 | |
Holger Hans Peter Freyther | 0e939fe | 2011-02-28 12:11:02 +0100 | [diff] [blame] | 153 | struct mgcp_trunk_config *mgcp_trunk_alloc(struct mgcp_config *cfg, int index); |
| 154 | struct mgcp_trunk_config *mgcp_trunk_num(struct mgcp_config *cfg, int index); |
| 155 | |
Holger Hans Peter Freyther | 38e02c5 | 2012-10-22 18:09:35 +0200 | [diff] [blame] | 156 | void mgcp_state_calc_loss(struct mgcp_rtp_state *s, struct mgcp_rtp_end *, |
| 157 | uint32_t *expected, int *loss); |
| 158 | |
Holger Hans Peter Freyther | bd7b3c5 | 2010-11-01 21:04:54 +0100 | [diff] [blame] | 159 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 160 | #endif |