Wireshark 2.9.0-477-g68ec514b The Wireshark network protocol analyzer

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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;
39 } iax2_bw_history_item;
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;
74 } tap_iax2_stat_t;
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 */
_packet_info
Definition: packet_info.h:44
_tap_iax2_stat_t
Definition: tap-iax2-analysis.h:43
_iax2_bw_history_item
Definition: tap-iax2-analysis.h:36
packet_info.h
_iax2_info_t
Definition: packet-iax2.h:228