90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* MGCP Private Data */
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/*
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* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2009-2010 by On-Waves
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef OPENBSC_MGCP_DATA_H
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#define OPENBSC_MGCP_DATA_H
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#include <laf0rge1/select.h>
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#define CI_UNUSED 0
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
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#endif
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enum mgcp_connection_mode {
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MGCP_CONN_NONE = 0,
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MGCP_CONN_RECV_ONLY = 1,
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MGCP_CONN_SEND_ONLY = 2,
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MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY,
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};
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struct mgcp_endpoint {
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int ci;
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char *callid;
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char *local_options;
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int conn_mode;
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int bts_payload_type;
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int net_payload_type;
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/* the local rtp port we are binding to */
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int rtp_port;
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/*
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* RTP mangling:
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* - we get RTP and RTCP to us and need to forward to the BTS
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* - we get RTP and RTCP from the BTS and forward to the network
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*/
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struct bsc_fd local_rtp;
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struct bsc_fd local_rtcp;
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struct in_addr remote;
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struct in_addr bts;
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/* in network byte order */
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int net_rtp, net_rtcp;
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int bts_rtp, bts_rtcp;
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/* backpointer */
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struct mgcp_config *cfg;
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/* statistics */
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unsigned int in_bts;
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unsigned int in_remote;
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};
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#define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints)
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struct mgcp_msg_ptr {
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unsigned int start;
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unsigned int length;
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};
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int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg,
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struct mgcp_msg_ptr *ptr, int size,
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const char **transaction_id, struct mgcp_endpoint **endp);
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int mgcp_send_dummy(struct mgcp_endpoint *endp);
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#endif
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