forked from osmocom/wireshark
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/** @file
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*
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* RTP stream id functions for Wireshark
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*
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* Copyright 2003, Alcatel Business Systems
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* By Lars Ruoff <lars.ruoff@gmx.net>
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __RTP_STREAM_ID_H__
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#define __RTP_STREAM_ID_H__
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/** @file
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* "RTP Streams" dialog box common routines.
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* @ingroup main_ui_group
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*/
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#include <epan/address.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* forward */
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struct _rtp_info;
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/** Defines an rtp stream identification */
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typedef struct _rtpstream_id {
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address src_addr;
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guint16 src_port;
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address dst_addr;
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guint16 dst_port;
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guint32 ssrc;
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} rtpstream_id_t;
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/**
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* Get hash of rtpstream_id
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*/
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guint rtpstream_id_to_hash(const rtpstream_id_t *id);
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/**
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* Copy rtpstream_id_t structure
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*/
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void rtpstream_id_copy(const rtpstream_id_t *src, rtpstream_id_t *dest);
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/**
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* Copy addresses and ports from pinfo
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*/
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void rtpstream_id_copy_pinfo(const packet_info *pinfo, rtpstream_id_t *dest, gboolean swap_src_dst);
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/**
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* Free memory allocated for id
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* it releases address items only, do not release whole structure!
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*/
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void rtpstream_id_free(rtpstream_id_t *id);
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/**
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* Check if two rtpstream_id_t are equal
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* - compare src_addr, dest_addr, src_port, dest_port
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* - compare other items when requested
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* Note: ssrc is the only other item now, but it is expected it will be extended later
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*/
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#define RTPSTREAM_ID_EQUAL_NONE 0x0000
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#define RTPSTREAM_ID_EQUAL_SSRC 0x0001
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gboolean rtpstream_id_equal(const rtpstream_id_t *id1, const rtpstream_id_t *id2, guint flags);
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/**
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* Check if rtpstream_id_t is equal to pinfo
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* - compare src_addr, dest_addr, src_port, dest_port with pinfo
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* - compare ssrc with rtp_info
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*/
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gboolean rtpstream_id_equal_pinfo_rtp_info(const rtpstream_id_t *id, const packet_info *pinfo, const struct _rtp_info *rtp_info);
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/**
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* Get hash of rtpstream_id extracted from packet_info and _rtp_info
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*/
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guint pinfo_rtp_info_to_hash(const packet_info *pinfo, const struct _rtp_info *rtp_info);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __RTP_STREAM_ID_H__ */
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