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/* h323_conversations.h
* H323 conversations summary addition for ethereal
*
* Copyright 2004, Iskratel, Ltd, Kranj
* By 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 H323_STREAM_H_INCLUDED
#define H323_STREAM_H_INCLUDED
#include <glib.h>
#include <stdio.h>
/****************************************************************************/
/* defines h323 state */
typedef enum _h323_call_state {
CALL_SETUP,
IN_CALL,
COMPLETED,
REJECTED,
UNKNOWN
} h323_call_state;
/* defines an h323 conversation */
typedef struct _h323_conversations_info {
h323_call_state call_state;
guint32 src_addr;
guint16 src_port;
guint32 dest_addr;
guint16 dest_port;
guint8 pt;
guint32 npackets;
gboolean faststart;
/* if there are also h245 messages */
gboolean is_h245;
guint32 h245packets;
guint32 h245address;
guint16 h245port;
guint32 first_frame_num; /* frame number of first frame */
} h323_conversations_info_t;
/* structure that holds the information about all detected conversationss */
/* struct holding all information of the tap */
typedef struct _h323conversations_tapinfo {
int nconversationss; /* number of conversationss in the list */
GList* strinfo_list; /* list with all conversationss */
int npackets; /* total number of h323 packets of all conversationss */
h323_conversations_info_t* filter_conversations_fwd; /* used as filter in some tap modes */
guint32 launch_count; /* number of times the tap has been run */
int setup_packets;
int completed_calls;
int rejected_calls;
} h323conversations_tapinfo_t;
/****************************************************************************/
/* INTERFACE */
/*
* Registers the h323_conversationss tap listener (if not already done).
* From that point on, the H323 conversationss list will be updated with every redissection.
* This function is also the entry point for the initialization routine of the tap system.
* So whenever h323_conversations.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 h323_conversationss and h323_analysis functions that need it.
*/
void h225conversations_init_tap(void);
void h245conversations_init_tap(void);
/*
* Removes the h323_conversationss tap listener (if not already done)
* From that point on, the H323 conversationss list won't be updated any more.
*/
void remove_tap_listener_h225_conversations(void);
void remove_tap_listener_h245_conversations(void);
/*
* Retrieves a constant reference to the unique info structure of the h323_conversationss tap listener.
* The user should not modify the data pointed to.
*/
const h323conversations_tapinfo_t* h323conversations_get_info(void);
/*
* Cleans up memory of h323 conversationss tap.
*/
void h225conversations_reset(h323conversations_tapinfo_t *tapinfo);
void h245conversations_reset(h323conversations_tapinfo_t *tapinfo);
/*
* Marks all packets belonging to conversations.
* (can be NULL)
* (redissects all packets)
*/
void h323conversations_mark(h323_conversations_info_t* conversations_fwd);
#endif /*H323_STREAM_H_INCLUDED*/
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