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/* voip_calls.h
* VoIP calls summary addition for ethereal
*
* $Id$
*
* Copyright 2004, Ericsson , Spain
* By Francisco Alcoba <francisco.alcoba@ericsson.com>
*
* based on h323_calls.h
* Copyright 2004, Iskratel, Ltd, Kranj
* By Miha Jemec <m.jemec@iskratel.si>
*
* H323, RTP and Graph Support
* By Alejandro Vaquero, alejandro.vaquero@verso.com
* Copyright 2005, Verso Technologies Inc.
*
* 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 VOIP_CALLS_H_INCLUDED
#define VOIP_CALLS_H_INCLUDED
#include <glib.h>
#include <stdio.h>
/****************************************************************************/
/* defines voip call state */
typedef enum _voip_call_state {
VOIP_CALL_SETUP,
VOIP_IN_CALL,
VOIP_CANCELLED,
VOIP_COMPLETED,
VOIP_REJECTED,
VOIP_UNKNOWN
} voip_call_state;
extern char *voip_call_state_name[6];
typedef enum _voip_call_active_state {
VOIP_ACTIVE,
VOIP_INACTIVE
} voip_call_active_state;
typedef enum _voip_protocol {
VOIP_SIP,
VOIP_ISUP,
VOIP_H323
} voip_protocol;
extern char *voip_protocol_name[3];
/* defines specific SIP data */
typedef enum _sip_call_state {
SIP_INVITE_SENT,
SIP_200_REC,
SIP_CANCEL_SENT
} sip_call_state;
typedef struct _sip_calls_info {
gchar *call_identifier;
guint32 invite_cseq;
sip_call_state sip_state;
} sip_calls_info_t;
/* defines specific ISUP data */
typedef struct _isup_calls_info {
guint16 cic;
guint32 opc, dpc;
guint8 ni;
} isup_calls_info_t;
typedef struct _h245_address {
guint32 h245_address;
guint16 h245_port;
} h245_address_t;
/* defines specific H323 data */
typedef struct _h323_calls_info {
guint8 *guid; /* Call ID to identify a H225 */
GList* h245_list; /* list of H245 Address and ports for tunneling off calls*/
guint32 h225SetupAddr; /* we use the SETUP H225 IP to determine if packets are forward or reverse */
gboolean is_h245;
gboolean is_faststart_Setup; /* if faststart field is included in Setup*/
gboolean is_faststart_Proc; /* if faststart field is included in Proce, Alerting, Progress or Connect*/
gboolean is_h245Tunneling;
gint32 q931_crv;
gint32 q931_crv2;
} h323_calls_info_t;
/* defines a voip call */
typedef struct _voip_calls_info {
voip_call_state call_state;
voip_call_active_state call_active_state;
gchar *from_identity;
gchar *to_identity;
gpointer prot_info;
guint32 initial_speaker;
guint32 npackets;
guint32 first_frame_num; /* frame number of first frame */
guint32 last_frame_num;
voip_protocol protocol;
guint16 call_num;
gint32 start_sec, start_usec, stop_sec, stop_usec;
gboolean selected;
} voip_calls_info_t;
/* structure that holds the information about all detected calls */
/* struct holding all information of the tap */
typedef struct _voip_calls_tapinfo {
int ncalls; /* number of calls in the list */
GList* strinfo_list; /* list with all calls */
int npackets; /* total number of packets of all calls */
voip_calls_info_t* filter_calls_fwd; /* used as filter in some tap modes */
guint32 launch_count; /* number of times the tap has been run */
int start_packets;
int completed_calls;
int rejected_calls;
graph_analysis_info_t* graph_analysis;
/*
* Now add dummy variables, one for each tap listener.
* Their address will be used to distinguish between them.
*/
int sip_dummy;
int sdp_dummy;
int h225_dummy;
int h245dg_dummy;
int mtp3_dummy;
int isup_dummy;
int q931_dummy;
} voip_calls_tapinfo_t;
/****************************************************************************/
/* INTERFACE */
/*
* Registers the voip_calls tap listeners (if not already done).
* From that point on, the calls list will be updated with every redissection.
* This function is also the entry point for the initialization routine of the tap system.
* So whenever voip_calls.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 voip_calls functions that need it.
*/
void sip_calls_init_tap(void);
void isup_calls_init_tap(void);
void mtp3_calls_init_tap(void);
void h225_calls_init_tap(void);
void h245dg_calls_init_tap(void);
void q931_calls_init_tap(void);
void sdp_calls_init_tap(void);
/*
* Removes the voip_calls tap listener (if not already done)
* From that point on, the voip calls list won't be updated any more.
*/
void remove_tap_listener_sip_calls(void);
void remove_tap_listener_isup_calls(void);
void remove_tap_listener_mtp3_calls(void);
void remove_tap_listener_h225_calls(void);
void remove_tap_listener_h245dg_calls(void);
void remove_tap_listener_q931_calls(void);
void remove_tap_listener_sdp_calls(void);
/*
* Retrieves a constant reference to the unique info structure of the voip_calls tap listener.
* The user should not modify the data pointed to.
*/
const voip_calls_tapinfo_t* voip_calls_get_info(void);
/*
* Cleans up memory of voip calls tap.
*/
void voip_calls_reset(voip_calls_tapinfo_t *tapinfo);
void isup_calls_reset(voip_calls_tapinfo_t *tapinfo);
void mtp3_calls_reset(voip_calls_tapinfo_t *tapinfo);
void q931_calls_reset(voip_calls_tapinfo_t *tapinfo);
void graph_analysis_data_init();
void add_rtp_streams_graph();
#endif /*VOIP_CALLS_H_INCLUDED*/
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