forked from osmocom/wireshark
![Luis Ontanon](/assets/img/avatar_default.png)
- Automatic dissection of RTP events (RFC2833) set in SDP sessions. - Add RTP events (RFC2833) to the Voip Graph svn path=/trunk/; revision=13697
71 lines
2.7 KiB
C
71 lines
2.7 KiB
C
/* packet-rtp.h
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*
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* Routines for RTP dissection
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* RTP = Real time Transport Protocol
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*
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* $Id$
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*
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* Copyright 2000, Philips Electronics N.V.
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* Written by Andreas Sikkema <andreas.sikkema@philips.com>
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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struct _rtp_info {
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unsigned int info_version;
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gboolean info_padding_set;
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gboolean info_marker_set;
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unsigned int info_payload_type;
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unsigned int info_padding_count;
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guint16 info_seq_num;
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guint32 info_timestamp;
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guint32 info_sync_src;
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guint info_data_len; /* length of raw rtp data as reported */
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gboolean info_all_data_present; /* FALSE if data is cut off */
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guint info_payload_offset; /* start of payload relative to info_data */
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guint info_payload_len; /* length of payload (incl padding) */
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guint32 info_setup_frame_num; /* the frame num of the packet that set this RTP connection */
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const guint8* info_data; /* pointer to raw rtp data */
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/*
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* info_data: pointer to raw rtp data = header + payload incl. padding.
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* That should be safe because the "epan_dissect_t" constructed for the packet
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* has not yet been freed when the taps are called.
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* (destroying the "epan_dissect_t" will end up freeing all the tvbuffs
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* and hence invalidating pointers to their data).
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* See "add_packet_to_packet_list()" for details.
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*/
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};
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/* Info to save in RTP conversation / packet-info */
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#define MAX_RTP_SETUP_METHOD_SIZE 7
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struct _rtp_conversation_info
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{
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gchar method[MAX_RTP_SETUP_METHOD_SIZE + 1];
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guint32 frame_number;
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guint32 rtp_event_pt; /* this is payload type for dynamic RTP events (RFC2833) */
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};
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/* Add an RTP conversation with the given details */
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void rtp_add_address(packet_info *pinfo,
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address *addr, int port,
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int other_port,
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gchar *setup_method,
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guint32 setup_frame_number,
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int rtp_event_pt);
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