2 * VoIP calls summary addition for Wireshark
6 * Copyright 2004, Ericsson , Spain
7 * By Francisco Alcoba <francisco.alcoba@ericsson.com>
9 * based on h323_calls.h
10 * Copyright 2004, Iskratel, Ltd, Kranj
11 * By Miha Jemec <m.jemec@iskratel.si>
13 * H323, RTP and Graph Support
14 * By Alejandro Vaquero, alejandro.vaquero@verso.com
15 * Copyright 2005, Verso Technologies Inc.
17 * Wireshark - Network traffic analyzer
18 * By Gerald Combs <gerald@wireshark.org>
19 * Copyright 1998 Gerald Combs
21 * This program is free software; you can redistribute it and/or
22 * modify it under the terms of the GNU General Public License
23 * as published by the Free Software Foundation; either version 2
24 * of the License, or (at your option) any later version.
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
31 * You should have received a copy of the GNU General Public License
32 * along with this program; if not, write to the Free Software
33 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 #ifndef VOIP_CALLS_H_INCLUDED
37 #define VOIP_CALLS_H_INCLUDED
41 #include <epan/address.h>
42 #include <epan/guid-utils.h>
44 /****************************************************************************/
45 /* defines voip call state */
46 typedef enum _voip_call_state {
56 extern const char *voip_call_state_name[7];
58 typedef enum _voip_call_active_state {
61 } voip_call_active_state;
63 typedef enum _voip_protocol {
73 extern const char *voip_protocol_name[7];
75 /* defines specific SIP data */
77 typedef enum _sip_call_state {
83 typedef struct _sip_calls_info {
84 gchar *call_identifier;
86 sip_call_state sip_state;
89 /* defines specific ISUP data */
90 typedef struct _isup_calls_info {
96 /* defines specific H245 data */
97 typedef struct _h245_address {
102 /* defines specific H323 data */
103 typedef struct _h323_calls_info {
104 e_guid_t *guid; /* Call ID to identify a H225 */
105 GList* h245_list; /* list of H245 Address and ports for tunneling off calls*/
106 address h225SetupAddr; /* we use the SETUP H225 IP to determine if packets are forward or reverse */
108 gboolean is_faststart_Setup; /* if faststart field is included in Setup*/
109 gboolean is_faststart_Proc; /* if faststart field is included in Proce, Alerting, Progress or Connect*/
110 gboolean is_h245Tunneling;
116 /* defines specific MGCP data */
117 typedef struct _mgcp_calls_info {
119 gboolean fromEndpoint; /* true if the call was originated from the Endpoint, false for calls from MGC */
122 /* defines specific ACTRACE ISDN data */
123 typedef struct _actrace_isdn_calls_info {
126 } actrace_isdn_calls_info_t;
128 /* defines specific ACTRACE CAS data */
129 typedef struct _actrace_cas_calls_info {
132 } actrace_cas_calls_info_t;
134 /* defines a voip call */
135 typedef struct _voip_calls_info {
136 voip_call_state call_state;
137 voip_call_active_state call_active_state;
138 gchar *from_identity;
141 address initial_speaker;
143 guint32 first_frame_num; /* frame number of first frame */
144 guint32 last_frame_num;
145 voip_protocol protocol;
147 gint32 start_sec, start_usec, stop_sec, stop_usec;
152 /* structure that holds the information about all detected calls */
153 /* struct holding all information of the tap */
155 typedef struct _voip_calls_tapinfo {
156 int ncalls; /* number of call */
157 GList* strinfo_list; /* list with all calls */
158 int npackets; /* total number of packets of all calls */
159 voip_calls_info_t* filter_calls_fwd; /* used as filter in some tap modes */
160 guint32 launch_count; /* number of times the tap has been run */
164 graph_analysis_info_t* graph_analysis;
167 * Now add dummy variables, one for each tap listener.
168 * Their address will be used to distinguish between them.
180 } voip_calls_tapinfo_t;
183 /* defines a RTP stream */
184 typedef struct _voip_rtp_stream_info {
195 guint32 first_frame_num; /* frame number of first frame */
196 guint32 setup_frame_number; /* frame number of setup message */
197 /* start of recording (GMT) of this stream */
198 guint32 start_rel_sec; /* start stream rel seconds */
199 guint32 start_rel_usec; /* start stream rel microseconds */
200 guint32 stop_rel_sec; /* stop stream rel seconds */
201 guint32 stop_rel_usec; /* stop stream rel microseconds */
203 } voip_rtp_stream_info_t;
205 /* structure that holds the information about all RTP streams associated with the calls */
206 /* struct holding all information of the RTP tap */
207 typedef struct _voip_rtp_tapinfo {
208 int nstreams; /* number of rtp streams */
209 GList* list; /* list with the rtp streams */
212 } voip_rtp_tapinfo_t;
214 /****************************************************************************/
218 * Registers the voip_calls tap listeners (if not already done).
219 * From that point on, the calls list will be updated with every redissection.
220 * This function is also the entry point for the initialization routine of the tap system.
221 * So whenever voip_calls.c is added to the list of WIRESHARK_TAP_SRCs, the tap will be registered on startup.
222 * If not, it will be registered on demand by the voip_calls functions that need it.
224 void sip_calls_init_tap(void);
225 void isup_calls_init_tap(void);
226 void mtp3_calls_init_tap(void);
227 void h225_calls_init_tap(void);
228 void h245dg_calls_init_tap(void);
229 void q931_calls_init_tap(void);
230 void sdp_calls_init_tap(void);
231 void rtp_init_tap(void);
232 void rtp_event_init_tap(void);
233 void mgcp_calls_init_tap(void);
234 void actrace_calls_init_tap(void);
235 void t38_init_tap(void);
238 * Removes the voip_calls tap listener (if not already done)
239 * From that point on, the voip calls list won't be updated any more.
241 void remove_tap_listener_sip_calls(void);
242 void remove_tap_listener_isup_calls(void);
243 void remove_tap_listener_mtp3_calls(void);
244 void remove_tap_listener_h225_calls(void);
245 void remove_tap_listener_h245dg_calls(void);
246 void remove_tap_listener_q931_calls(void);
247 void remove_tap_listener_sdp_calls(void);
248 void remove_tap_listener_rtp(void);
249 void remove_tap_listener_rtp_event(void);
250 void remove_tap_listener_mgcp_calls(void);
251 void remove_tap_listener_actrace_calls(void);
252 void remove_tap_listener_t38(void);
255 * Retrieves a constant reference to the unique info structure of the voip_calls tap listener.
256 * The user should not modify the data pointed to.
258 voip_calls_tapinfo_t* voip_calls_get_info(void);
261 * Cleans up memory of voip calls tap.
263 void voip_calls_reset(voip_calls_tapinfo_t *tapinfo);
264 void isup_calls_reset(voip_calls_tapinfo_t *tapinfo);
265 void mtp3_calls_reset(voip_calls_tapinfo_t *tapinfo);
266 void q931_calls_reset(voip_calls_tapinfo_t *tapinfo);
268 void graph_analysis_data_init(void);
270 #endif /*VOIP_CALLS_H_INCLUDED*/