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tap-iax2-analysis.h
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1 
20 #ifndef __TAP_IAX2_ANALYSIS_H__
21 #define __TAP_IAX2_ANALYSIS_H__
22 
23 #include <epan/address.h>
24 #include <epan/packet_info.h>
25 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif /* __cplusplus */
34 
35 /****************************************************************************/
36 /* structure that holds the information about the forward and reversed direction */
37 typedef struct _iax2_bw_history_item {
38  double time;
39  uint32_t bytes;
41 
42 #define BUFF_BW 300
43 
44 typedef struct _tap_iax2_stat_t {
45  bool first_packet; /* do not use in code that is called after iax2_packet_analyse */
46  /* use (flags & STAT_FLAG_FIRST) instead */
47  /* all of the following fields will be initialized after
48  iax2_packet_analyse has been called */
49  uint32_t flags; /* see STAT_FLAG-defines below */
50  uint16_t seq_num;
51  uint32_t timestamp;
52  uint32_t delta_timestamp;
53  double bandwidth;
54  iax2_bw_history_item bw_history[BUFF_BW];
55  uint16_t bw_start_index;
56  uint16_t bw_index;
57  uint32_t total_bytes;
58  double delta;
59  double jitter;
60  double diff;
61  double time;
62  double start_time;
63  double max_delta;
64  double max_jitter;
65  double mean_jitter;
66  uint32_t max_nr;
67  uint16_t start_seq_nr;
68  uint16_t stop_seq_nr;
69  uint32_t total_nr;
70  uint32_t sequence;
71  bool under; /* Unused? */
72  int cycles; /* Unused? */
73  uint16_t pt;
74  int reg_pt;
76 
77 #define PT_UNDEFINED -1
78 
79 /* status flags for the flags parameter in tap_iax2_stat_t */
80 #define STAT_FLAG_FIRST 0x001
81 #define STAT_FLAG_MARKER 0x002
82 #define STAT_FLAG_WRONG_SEQ 0x004
83 #define STAT_FLAG_PT_CHANGE 0x008
84 #define STAT_FLAG_PT_CN 0x010
85 #define STAT_FLAG_FOLLOW_PT_CN 0x020
86 #define STAT_FLAG_REG_PT_CHANGE 0x040
87 #define STAT_FLAG_WRONG_TIMESTAMP 0x080
88 
89 /* function for analysing an IAX2 packet. Called from iax2_analysis. */
90 extern void iax2_packet_analyse(tap_iax2_stat_t *statinfo,
91  packet_info *pinfo,
92  const struct _iax2_info_t *iax2info);
93 
94 #ifdef __cplusplus
95 }
96 #endif /* __cplusplus */
97 
98 #endif /* __TAP_IAX2_ANALYSIS_H__ */
Definition: tap-iax2-analysis.h:37
Definition: packet-iax2.h:229
Definition: packet_info.h:44
Definition: tap-iax2-analysis.h:44