forked from osmocom/wireshark
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/* packet-rtcp.h
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*
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* Routines for RTCP dissection
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* RTCP = Real-time Transport Control Protocol
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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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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ws_symbol_export.h"
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/* Info to save in RTCP conversation / packet-info.
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Note that this structure applies to the destination end of
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an RTP session */
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#define MAX_RTCP_SETUP_METHOD_SIZE 7
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struct _rtcp_conversation_info
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{
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/* Setup info is relevant to traffic whose dest is the conversation address */
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guchar setup_method_set;
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gchar setup_method[MAX_RTCP_SETUP_METHOD_SIZE + 1];
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guint32 setup_frame_number;
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/* Info used for roundtrip calculations */
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guchar last_received_set;
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guint32 last_received_frame_number;
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nstime_t last_received_timestamp;
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guint32 last_received_ts;
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/* Stored result of calculation */
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guchar lsr_matched;
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guint32 calculated_delay_used_frame;
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gint calculated_delay_report_gap;
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gint32 calculated_delay;
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/* SRTCP context */
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struct srtp_info *srtcp_info;
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};
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/* Add an RTCP conversation with the given details */
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WS_DLL_PUBLIC
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void rtcp_add_address(packet_info *pinfo,
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address *addr, int port,
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int other_port,
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const gchar *setup_method, guint32 setup_frame_number);
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/* Add an SRTP conversation with the given details */
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WS_DLL_PUBLIC
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void srtcp_add_address(packet_info *pinfo,
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address *addr, int port,
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int other_port,
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const gchar *setup_method, guint32 setup_frame_number,
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struct srtp_info *srtcp_info);
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