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/* conversation.h
* Routines for building lists of packets that are part of a "conversation"
*
* $Id: conversation.h,v 1.5 2001/06/10 09:50:20 guy Exp $
*
* 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 __CONVERSATION_H__
#define __CONVERSATION_H__
/*
* Flags to pass to "conversation_new()" to indicate that the address 2
* and/or port 2 values for the conversation should be wildcards.
*/
#define NO_ADDR2 0x01
#define NO_PORT2 0x02
/*
* Flags to pass to "find_conversation()" to indicate that the address B
* and/or port B search arguments are wildcards.
*/
#define NO_ADDR_B 0x01
#define NO_PORT_B 0x02
#include "packet.h" /* for conversation dissector type */
/*
* Data structure representing a conversation.
*/
typedef struct conversation_key {
struct conversation_key *next;
address addr1;
address addr2;
port_type ptype;
guint32 port1;
guint32 port2;
} conversation_key;
typedef struct conversation {
struct conversation *next; /* pointer to next conversation on hash chain */
guint32 index; /* unique ID for conversation */
void *data; /* data our client can associate with a conversation */
gboolean is_old_dissector; /* XXX - nuke when everybody tvbuffified */
union {
old_dissector_t old_d;
dissector_t new_d;
} dissector; /* protocol dissector client can associate with conversation */
guint options; /* wildcard flags */
conversation_key *key_ptr; /* pointer to the key for this conversation */
} conversation_t;
extern void conversation_init(void);
conversation_t *conversation_new(address *addr1, address *addr2,
port_type ptype, guint32 port1, guint32 port2, void *data, guint options);
conversation_t *find_conversation(address *addr_a, address *addr_b,
port_type ptype, guint32 port_a, guint32 port_b, guint options);
void old_conversation_set_dissector(conversation_t *conversation,
old_dissector_t dissector);
void conversation_set_dissector(conversation_t *conversation,
dissector_t dissector);
gboolean
try_conversation_dissector(address *addr_a, address *addr_b, port_type ptype,
guint32 port_a, guint32 port_b, tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree);
/* These routines are used to set undefined values for a conversation */
void conversation_set_port2(conversation_t *conv, guint32 port);
void conversation_set_addr2(conversation_t *conv, address *addr);
#endif /* conversation.h */
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