forked from osmocom/wireshark
bf81b42e1e
(COPYING will be updated in next commit) svn path=/trunk/; revision=43536
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/* iax2_analysis.h
|
|
* IAX2 analysis addition for Wireshark
|
|
*
|
|
* $Id$
|
|
*
|
|
* based on rtp_analysis.c
|
|
* Copyright 2003, Alcatel Business Systems
|
|
* By Lars Ruoff <lars.ruoff@gmx.net>
|
|
*
|
|
* based on tap_rtp.c
|
|
* Copyright 2003, Iskratel, Ltd, Kranj
|
|
* By Miha Jemec <m.jemec@iskratel.si>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef __IAX2_ANALYSIS_H__
|
|
#define __IAX2_ANALYSIS_H__
|
|
|
|
#include <glib.h>
|
|
#include <epan/address.h>
|
|
#include <epan/packet_info.h>
|
|
|
|
/** @file
|
|
* ???
|
|
* @todo what's this?
|
|
*/
|
|
|
|
void iax2_analysis(
|
|
address *ip_src_fwd,
|
|
guint16 port_src_fwd,
|
|
address *ip_dst_fwd,
|
|
guint16 port_dst_fwd,
|
|
address *ip_src_rev,
|
|
guint16 port_src_rev,
|
|
address *ip_dst_rev,
|
|
guint16 port_dst_rev
|
|
);
|
|
|
|
/****************************************************************************/
|
|
/* structure that holds the information about the forward and reversed direction */
|
|
typedef struct _iax2_bw_history_item {
|
|
double time;
|
|
guint32 bytes;
|
|
} iax2_bw_history_item;
|
|
|
|
#define BUFF_BW 300
|
|
|
|
typedef struct _tap_iax2_stat_t {
|
|
gboolean first_packet; /* do not use in code that is called after rtp_packet_analyse */
|
|
/* use (flags & STAT_FLAG_FIRST) instead */
|
|
/* all of the following fields will be initialized after
|
|
rtp_packet_analyse has been called */
|
|
guint32 flags; /* see STAT_FLAG-defines below */
|
|
guint16 seq_num;
|
|
guint32 timestamp;
|
|
guint32 delta_timestamp;
|
|
double bandwidth;
|
|
iax2_bw_history_item bw_history[BUFF_BW];
|
|
guint16 bw_start_index;
|
|
guint16 bw_index;
|
|
guint32 total_bytes;
|
|
double delta;
|
|
double jitter;
|
|
double diff;
|
|
double time;
|
|
double start_time;
|
|
double max_delta;
|
|
double max_jitter;
|
|
double mean_jitter;
|
|
guint32 max_nr;
|
|
guint16 start_seq_nr;
|
|
guint16 stop_seq_nr;
|
|
guint32 total_nr;
|
|
guint32 sequence;
|
|
gboolean under;
|
|
gint cycles;
|
|
guint16 pt;
|
|
int reg_pt;
|
|
} tap_iax2_stat_t;
|
|
|
|
#define PT_UNDEFINED -1
|
|
|
|
/* status flags for the flags parameter in tap_iax2_stat_t */
|
|
#define STAT_FLAG_FIRST 0x001
|
|
#define STAT_FLAG_MARKER 0x002
|
|
#define STAT_FLAG_WRONG_SEQ 0x004
|
|
#define STAT_FLAG_PT_CHANGE 0x008
|
|
#define STAT_FLAG_PT_CN 0x010
|
|
#define STAT_FLAG_FOLLOW_PT_CN 0x020
|
|
#define STAT_FLAG_REG_PT_CHANGE 0x040
|
|
#define STAT_FLAG_WRONG_TIMESTAMP 0x080
|
|
|
|
/* forward */
|
|
struct _rtp_info;
|
|
|
|
/* function for analysing an RTP packet. Called from rtp_analysis and rtp_streams */
|
|
extern int iax2_packet_analyse(tap_iax2_stat_t *statinfo,
|
|
packet_info *pinfo,
|
|
const struct _iax2_info_t *iax2info);
|
|
|
|
|
|
#endif /* __IAX2_ANALYSIS_H__ */
|