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Diffstat (limited to 'gtk/mcast_stream.h')
| -rw-r--r-- | gtk/mcast_stream.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/gtk/mcast_stream.h b/gtk/mcast_stream.h new file mode 100644 index 0000000000..a79d165db7 --- /dev/null +++ b/gtk/mcast_stream.h @@ -0,0 +1,146 @@ +/* mcast_stream.h + * + * Copyright 2006, Iskratel , Slovenia + * By Jakob Bratkovic <j.bratkovic@iskratel.si> and + * Miha Jemec <m.jemec@iskratel.si> + * + * based on rtp_stream.h + * Copyright 2003, Alcatel Business Systems + * By Lars Ruoff <lars.ruoff@gmx.net> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef Mcast_STREAM_H_INCLUDED +#define Mcast_STREAM_H_INCLUDED + +#include <glib.h> +#include <stdio.h> +#include <epan/address.h> + +/** @file + * ??? + * @ingroup dialog_group + * @todo what's this? + */ + +#define INTERFACE 2 +#define FILTER 3 +#define TRIGGER 4 +#define TIMER 5 +#define REFRESHTIMER 6 +#define EMPTYSPEED 7 +#define BUFFERALARM 8 +#define CUMULEMPTYSPEED 9 + +#define MAX_SPEED 200000 + +/* typedefs for sliding window and buffer size */ +typedef struct buffer{ + struct timeval *buff; /* packet times */ + gint32 first; /* pointer to the first element */ + gint32 last; /* pointer to the last element */ + gint32 burstsize; /* current burst */ + gint32 topburstsize; /* maximum burst in the refresh interval*/ + gint32 count; /* packet counter */ + gint32 burststatus; /* burst status */ + gint32 numbursts; /* number of bursts */ + gint32 buffusage; /* buffer usage */ + gint32 buffstatus; /* buffer status */ + gint32 numbuffalarms; /* number of alarms triggered by buffer underruns */ + gint32 topbuffusage; /* top buffer usage in refresh interval */ + float maxbw; /* maximum bandwidth usage */ +} t_buffer; + + +/* defines an mcast stream */ +typedef struct _mcast_stream_info { + address src_addr; + guint16 src_port; + address dest_addr; + guint16 dest_port; + guint32 npackets; + guint32 apackets; + guint32 total_bytes; + float average_bw; + + guint32 first_frame_num; /* frame number of first frame */ + /* start of recording (GMT) of this stream */ + guint32 start_sec; /* seconds */ + guint32 start_usec; /* microseconds */ + guint32 start_rel_sec; /* start stream rel seconds */ + guint32 start_rel_usec; /* start stream rel microseconds */ + guint32 stop_rel_sec; /* stop stream rel seconds */ + guint32 stop_rel_usec; /* stop stream rel microseconds */ + guint16 vlan_id; + + /*for the sliding window */ + t_buffer element; + +} mcast_stream_info_t; + + +/* structure that holds the information about all detected streams */ +/* struct holding all information of the tap */ +typedef struct _mcaststream_tapinfo { + int nstreams; /* number of streams in the list */ + GList* strinfo_list; /* list with all streams */ + guint32 npackets; /* total number of mcast packets of all streams */ + mcast_stream_info_t* allstreams; /* structure holding information common for all streams */ + + guint32 launch_count; /* number of times the tap has been run */ + gboolean is_registered; /* if the tap listener is currently registered or not */ +} mcaststream_tapinfo_t; + +/****************************************************************************/ +/* INTERFACE */ + +/* +* Registers the mcast_streams tap listener (if not already done). +* From that point on, the Mcast streams list will be updated with every redissection. +* This function is also the entry point for the initialization routine of the tap system. +* So whenever mcast_stream.c is added to the list of ETHEREAL_TAP_SRCs, the tap will be registered on startup. +* If not, it will be registered on demand by the mcast_streams and mcast_analysis functions that need it. +*/ +void register_tap_listener_mcast_stream(void); + +/* +* Removes the mcast_streams tap listener (if not already done) +* From that point on, the Mcast streams list won't be updated any more. +*/ +void remove_tap_listener_mcast_stream(void); + +/* +* Retrieves a constant reference to the unique info structure of the mcast_streams tap listener. +* The user should not modify the data pointed to. +*/ +const mcaststream_tapinfo_t* mcaststream_get_info(void); + +/* +* Cleans up memory of mcast streams tap. +*/ +void mcaststream_reset(mcaststream_tapinfo_t *tapinfo); + +/* +* Scans all packets for Mcast streams and updates the Mcast streams list. +* (redissects all packets) +*/ +void mcaststream_scan(void); + +#endif /*Mcast_STREAM_H_INCLUDED*/ |