203 lines
5.9 KiB
C
203 lines
5.9 KiB
C
/* voip_calls.h
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* VoIP calls summary addition for ethereal
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*
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* $Id$
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*
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* Copyright 2004, Ericsson , Spain
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* By Francisco Alcoba <francisco.alcoba@ericsson.com>
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*
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* based on h323_calls.h
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* Copyright 2004, Iskratel, Ltd, Kranj
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* By Miha Jemec <m.jemec@iskratel.si>
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*
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* H323, RTP and Graph Support
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* By Alejandro Vaquero, alejandro.vaquero@verso.com
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* Copyright 2005, Verso Technologies Inc.
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef VOIP_CALLS_H_INCLUDED
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#define VOIP_CALLS_H_INCLUDED
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#include <glib.h>
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#include <stdio.h>
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/****************************************************************************/
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/* defines voip call state */
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typedef enum _voip_call_state {
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VOIP_CALL_SETUP,
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VOIP_IN_CALL,
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VOIP_CANCELLED,
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VOIP_COMPLETED,
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VOIP_REJECTED,
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VOIP_UNKNOWN
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} voip_call_state;
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extern char *voip_call_state_name[6];
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typedef enum _voip_call_active_state {
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VOIP_ACTIVE,
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VOIP_INACTIVE
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} voip_call_active_state;
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typedef enum _voip_protocol {
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VOIP_SIP,
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VOIP_ISUP,
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VOIP_H323
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} voip_protocol;
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extern char *voip_protocol_name[3];
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/* defines specific SIP data */
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typedef enum _sip_call_state {
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SIP_INVITE_SENT,
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SIP_200_REC,
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SIP_CANCEL_SENT
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} sip_call_state;
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typedef struct _sip_calls_info {
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gchar *call_identifier;
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guint32 invite_cseq;
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sip_call_state sip_state;
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} sip_calls_info_t;
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/* defines specific ISUP data */
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typedef struct _isup_calls_info {
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guint16 cic;
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guint32 opc, dpc;
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guint8 ni;
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} isup_calls_info_t;
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typedef struct _h245_address {
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guint32 h245_address;
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guint16 h245_port;
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} h245_address_t;
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/* defines specific H323 data */
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typedef struct _h323_calls_info {
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guint8 *guid; /* Call ID to identify a H225 */
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GList* h245_list; /* list of H245 Address and ports for tunneling off calls*/
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guint32 h225SetupAddr; /* we use the SETUP H225 IP to determine if packets are forward or reverse */
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gboolean is_h245;
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gboolean is_faststart_Setup; /* if faststart field is included in Setup*/
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gboolean is_faststart_Proc; /* if faststart field is included in Proce, Alerting, Progress or Connect*/
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gboolean is_h245Tunneling;
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gint32 q931_crv;
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gint32 q931_crv2;
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} h323_calls_info_t;
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/* defines a voip call */
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typedef struct _voip_calls_info {
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voip_call_state call_state;
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voip_call_active_state call_active_state;
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gchar *from_identity;
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gchar *to_identity;
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gpointer prot_info;
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guint32 initial_speaker;
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guint32 npackets;
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guint32 first_frame_num; /* frame number of first frame */
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guint32 last_frame_num;
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voip_protocol protocol;
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guint16 call_num;
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gint32 start_sec, start_usec, stop_sec, stop_usec;
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gboolean selected;
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} voip_calls_info_t;
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/* structure that holds the information about all detected calls */
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/* struct holding all information of the tap */
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typedef struct _voip_calls_tapinfo {
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int ncalls; /* number of calls in the list */
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GList* strinfo_list; /* list with all calls */
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int npackets; /* total number of packets of all calls */
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voip_calls_info_t* filter_calls_fwd; /* used as filter in some tap modes */
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guint32 launch_count; /* number of times the tap has been run */
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int start_packets;
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int completed_calls;
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int rejected_calls;
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graph_analysis_info_t* graph_analysis;
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/*
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* Now add dummy variables, one for each tap listener.
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* Their address will be used to distinguish between them.
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*/
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int sip_dummy;
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int sdp_dummy;
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int h225_dummy;
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int h245dg_dummy;
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int mtp3_dummy;
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int isup_dummy;
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int q931_dummy;
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} voip_calls_tapinfo_t;
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/****************************************************************************/
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/* INTERFACE */
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/*
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* Registers the voip_calls tap listeners (if not already done).
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* From that point on, the calls list will be updated with every redissection.
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* This function is also the entry point for the initialization routine of the tap system.
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* So whenever voip_calls.c is added to the list of ETHEREAL_TAP_SRCs, the tap will be registered on startup.
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* If not, it will be registered on demand by the voip_calls functions that need it.
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*/
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void sip_calls_init_tap(void);
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void isup_calls_init_tap(void);
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void mtp3_calls_init_tap(void);
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void h225_calls_init_tap(void);
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void h245dg_calls_init_tap(void);
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void q931_calls_init_tap(void);
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void sdp_calls_init_tap(void);
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/*
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* Removes the voip_calls tap listener (if not already done)
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* From that point on, the voip calls list won't be updated any more.
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*/
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void remove_tap_listener_sip_calls(void);
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void remove_tap_listener_isup_calls(void);
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void remove_tap_listener_mtp3_calls(void);
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void remove_tap_listener_h225_calls(void);
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void remove_tap_listener_h245dg_calls(void);
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void remove_tap_listener_q931_calls(void);
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void remove_tap_listener_sdp_calls(void);
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/*
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* Retrieves a constant reference to the unique info structure of the voip_calls tap listener.
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* The user should not modify the data pointed to.
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*/
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const voip_calls_tapinfo_t* voip_calls_get_info(void);
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/*
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* Cleans up memory of voip calls tap.
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*/
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void voip_calls_reset(voip_calls_tapinfo_t *tapinfo);
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void isup_calls_reset(voip_calls_tapinfo_t *tapinfo);
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void mtp3_calls_reset(voip_calls_tapinfo_t *tapinfo);
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void q931_calls_reset(voip_calls_tapinfo_t *tapinfo);
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void graph_analysis_data_init(void);
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void add_rtp_streams_graph(void);
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#endif /*VOIP_CALLS_H_INCLUDED*/
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