Wireshark  2.9.0-477-g68ec514b
The Wireshark network protocol analyzer
tap-iax2-analysis.h
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1 /* tap-iax2-analysis.h
2  * IAX2 analysis addition for Wireshark
3  *
4  * based on rtp_analysis.c
5  * Copyright 2003, Alcatel Business Systems
6  * By Lars Ruoff <lars.ruoff@gmx.net>
7  *
8  * based on tap_rtp.c
9  * Copyright 2003, Iskratel, Ltd, Kranj
10  * By Miha Jemec <m.jemec@iskratel.si>
11  *
12  * Wireshark - Network traffic analyzer
13  * By Gerald Combs <gerald@wireshark.org>
14  * Copyright 1998 Gerald Combs
15  *
16  * SPDX-License-Identifier: GPL-2.0-or-later
17  */
18 
19 #ifndef __TAP_IAX2_ANALYSIS_H__
20 #define __TAP_IAX2_ANALYSIS_H__
21 
22 #include <epan/address.h>
23 #include <epan/packet_info.h>
24 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif /* __cplusplus */
33 
34 /****************************************************************************/
35 /* structure that holds the information about the forward and reversed direction */
36 typedef struct _iax2_bw_history_item {
37  double time;
38  guint32 bytes;
40 
41 #define BUFF_BW 300
42 
43 typedef struct _tap_iax2_stat_t {
44  gboolean first_packet; /* do not use in code that is called after rtp_packet_analyse */
45  /* use (flags & STAT_FLAG_FIRST) instead */
46  /* all of the following fields will be initialized after
47  rtp_packet_analyse has been called */
48  guint32 flags; /* see STAT_FLAG-defines below */
49  guint16 seq_num;
50  guint32 timestamp;
51  guint32 delta_timestamp;
52  double bandwidth;
53  iax2_bw_history_item bw_history[BUFF_BW];
54  guint16 bw_start_index;
55  guint16 bw_index;
56  guint32 total_bytes;
57  double delta;
58  double jitter;
59  double diff;
60  double time;
61  double start_time;
62  double max_delta;
63  double max_jitter;
64  double mean_jitter;
65  guint32 max_nr;
66  guint16 start_seq_nr;
67  guint16 stop_seq_nr;
68  guint32 total_nr;
69  guint32 sequence;
70  gboolean under; /* Unused? */
71  gint cycles; /* Unused? */
72  guint16 pt;
73  int reg_pt;
75 
76 #define PT_UNDEFINED -1
77 
78 /* status flags for the flags parameter in tap_iax2_stat_t */
79 #define STAT_FLAG_FIRST 0x001
80 #define STAT_FLAG_MARKER 0x002
81 #define STAT_FLAG_WRONG_SEQ 0x004
82 #define STAT_FLAG_PT_CHANGE 0x008
83 #define STAT_FLAG_PT_CN 0x010
84 #define STAT_FLAG_FOLLOW_PT_CN 0x020
85 #define STAT_FLAG_REG_PT_CHANGE 0x040
86 #define STAT_FLAG_WRONG_TIMESTAMP 0x080
87 
88 /* function for analysing an IAX2 packet. Called from iax2_analysis. */
89 extern void iax2_packet_analyse(tap_iax2_stat_t *statinfo,
90  packet_info *pinfo,
91  const struct _iax2_info_t *iax2info);
92 
93 #ifdef __cplusplus
94 }
95 #endif /* __cplusplus */
96 
97 #endif /* __TAP_IAX2_ANALYSIS_H__ */
98 
99 /*
100  * Editor modelines - http://www.wireshark.org/tools/modelines.html
101  *
102  * Local variables:
103  * c-basic-offset: 4
104  * tab-width: 8
105  * indent-tabs-mode: nil
106  * End:
107  *
108  * vi: set shiftwidth=4 tabstop=8 expandtab:
109  * :indentSize=4:tabSize=8:noTabs=true:
110  */
Definition: packet_info.h:44
Definition: tap-iax2-analysis.h:43
Definition: tap-iax2-analysis.h:36
Definition: packet-iax2.h:228