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/* circuit.h
 * Routines for building lists of packets that are part of a "circuit"
 * $Id: circuit.h 20485 2007-01-18 18:43:30Z guy $
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * 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
 * 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 __CIRCUIT_H__
#define __CIRCUIT_H__

#include "packet.h"           /* for circuit dissector type */

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

 * Data structure representing a circuit.
00037 typedef struct circuit_key {
      circuit_type ctype;
      guint32 circuit_id;
} circuit_key;

00042 typedef struct circuit {
      struct circuit *next;         /* pointer to next circuit with given circuit ID */
      guint32 first_frame;          /* # of first frame for that circuit */
      guint32 last_frame;           /* # of last frame for that circuit */
      guint32     index;                  /* unique ID for circuit */
      GSList *data_list;            /* list of data associated with circuit */
      dissector_handle_t dissector_handle;
                              /* handle for protocol dissector client associated with circuit */
      guint options;          /* wildcard flags */
      circuit_key *key_ptr;         /* pointer to the key for this circuit */
} circuit_t;

extern void circuit_init(void);

extern circuit_t *circuit_new(circuit_type ctype, guint32 circuit_id,
    guint32 first_frame);

extern circuit_t *find_circuit(circuit_type ctype, guint32 circuit_id,
    guint32 frame);

extern void close_circuit(circuit_t *circuit, guint32 last_frame);

extern void circuit_add_proto_data(circuit_t *conv, int proto,
    void *proto_data);
extern void *circuit_get_proto_data(circuit_t *conv, int proto);
extern void circuit_delete_proto_data(circuit_t *conv, int proto);

extern void circuit_set_dissector(circuit_t *circuit,
    dissector_handle_t handle);
extern dissector_handle_t circuit_get_dissector(circuit_t *circuit);
extern gboolean
try_circuit_dissector(circuit_type ctype, guint32 circuit_id, guint32 frame,
   tvbuff_t *tvb,  packet_info *pinfo, proto_tree *tree);

#ifdef __cplusplus
#endif /* __cplusplus */

#endif /* circuit.h */

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