| Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [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 | |
| 27 | #include <laf0rge1/select.h> |
| 28 | |
| 29 | #define CI_UNUSED 0 |
| 30 | |
| 31 | #ifndef ARRAY_SIZE |
| 32 | #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) |
| 33 | #endif |
| 34 | |
| 35 | enum mgcp_connection_mode { |
| 36 | MGCP_CONN_NONE = 0, |
| 37 | MGCP_CONN_RECV_ONLY = 1, |
| 38 | MGCP_CONN_SEND_ONLY = 2, |
| 39 | MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY, |
| 40 | }; |
| 41 | |
| 42 | struct mgcp_endpoint { |
| 43 | int ci; |
| 44 | char *callid; |
| 45 | char *local_options; |
| 46 | int conn_mode; |
| 47 | |
| 48 | int bts_payload_type; |
| 49 | int net_payload_type; |
| 50 | |
| 51 | /* the local rtp port we are binding to */ |
| 52 | int rtp_port; |
| 53 | |
| 54 | /* |
| 55 | * RTP mangling: |
| 56 | * - we get RTP and RTCP to us and need to forward to the BTS |
| 57 | * - we get RTP and RTCP from the BTS and forward to the network |
| 58 | */ |
| 59 | struct bsc_fd local_rtp; |
| 60 | struct bsc_fd local_rtcp; |
| 61 | |
| 62 | struct in_addr remote; |
| 63 | struct in_addr bts; |
| 64 | |
| 65 | /* in network byte order */ |
| 66 | int net_rtp, net_rtcp; |
| 67 | int bts_rtp, bts_rtcp; |
| 68 | |
| 69 | /* backpointer */ |
| 70 | struct mgcp_config *cfg; |
| 71 | |
| 72 | /* statistics */ |
| 73 | unsigned int in_bts; |
| 74 | unsigned int in_remote; |
| 75 | }; |
| 76 | |
| 77 | #define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints) |
| 78 | |
| 79 | struct mgcp_msg_ptr { |
| 80 | unsigned int start; |
| 81 | unsigned int length; |
| 82 | }; |
| 83 | |
| 84 | int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg, |
| 85 | struct mgcp_msg_ptr *ptr, int size, |
| 86 | const char **transaction_id, struct mgcp_endpoint **endp); |
| 87 | int mgcp_send_dummy(struct mgcp_endpoint *endp); |
| 88 | |
| 89 | #endif |