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Diffstat (limited to 'ui/tap-iax2-analysis.h')
| -rw-r--r-- | ui/tap-iax2-analysis.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/ui/tap-iax2-analysis.h b/ui/tap-iax2-analysis.h new file mode 100644 index 0000000..c3a1167 --- /dev/null +++ b/ui/tap-iax2-analysis.h @@ -0,0 +1,98 @@ +/** @file + * + * IAX2 analysis addition for Wireshark + * + * 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 + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef __TAP_IAX2_ANALYSIS_H__ +#define __TAP_IAX2_ANALYSIS_H__ + +#include <epan/address.h> +#include <epan/packet_info.h> + +/** @file + * ??? + * @todo what's this? + */ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/****************************************************************************/ +/* 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 iax2_packet_analyse */ + /* use (flags & STAT_FLAG_FIRST) instead */ + /* all of the following fields will be initialized after + iax2_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; /* Unused? */ + gint cycles; /* Unused? */ + 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 + +/* function for analysing an IAX2 packet. Called from iax2_analysis. */ +extern void iax2_packet_analyse(tap_iax2_stat_t *statinfo, + packet_info *pinfo, + const struct _iax2_info_t *iax2info); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __TAP_IAX2_ANALYSIS_H__ */ |