2 * Routines for building lists of packets that are part of a "conversation"
4 * $Id: conversation.h,v 1.11 2004/07/06 19:01:32 gerald Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #ifndef __CONVERSATION_H__
26 #define __CONVERSATION_H__
29 * Flags to pass to "conversation_new()" to indicate that the address 2
30 * and/or port 2 values for the conversation should be wildcards.
34 #define NO_PORT2_FORCE 0x04
37 * Flags to pass to "find_conversation()" to indicate that the address B
38 * and/or port B search arguments are wildcards.
40 #define NO_ADDR_B 0x01
41 #define NO_PORT_B 0x02
42 #define NO_PORT_B_FORCE 0x04
44 #include "packet.h" /* for conversation dissector type */
47 * Data structure representing a conversation.
49 typedef struct conversation_key {
50 struct conversation_key *next;
58 typedef struct conversation {
59 struct conversation *next; /* pointer to next conversation on hash chain */
60 guint32 index; /* unique ID for conversation */
61 GSList *data_list; /* list of data associated with conversation */
62 dissector_handle_t dissector_handle;
63 /* handle for protocol dissector client associated with conversation */
64 guint options; /* wildcard flags */
65 conversation_key *key_ptr; /* pointer to the key for this conversation */
68 extern void conversation_init(void);
70 extern conversation_t *conversation_new(address *addr1, address *addr2,
71 port_type ptype, guint32 port1, guint32 port2, guint options);
73 extern conversation_t *find_conversation(address *addr_a, address *addr_b,
74 port_type ptype, guint32 port_a, guint32 port_b, guint options);
76 extern void conversation_add_proto_data(conversation_t *conv, int proto,
78 extern void *conversation_get_proto_data(conversation_t *conv, int proto);
79 extern void conversation_delete_proto_data(conversation_t *conv, int proto);
81 extern void conversation_set_dissector(conversation_t *conversation,
82 dissector_handle_t handle);
84 try_conversation_dissector(address *addr_a, address *addr_b, port_type ptype,
85 guint32 port_a, guint32 port_b, tvbuff_t *tvb, packet_info *pinfo,
88 /* These routines are used to set undefined values for a conversation */
90 extern void conversation_set_port2(conversation_t *conv, guint32 port);
91 extern void conversation_set_addr2(conversation_t *conv, address *addr);
93 #endif /* conversation.h */