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/* tap.h
* packet tap interface 2002 Ronnie Sahlberg
*
* $Id$
*
* 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
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _TAP_H_
#define _TAP_H_
#include <epan/epan.h>
typedef void (*tap_reset_cb)(void *tapdata);
typedef gboolean (*tap_packet_cb)(void *tapdata, packet_info *pinfo, epan_dissect_t *edt, const void *data);
typedef void (*tap_draw_cb)(void *tapdata);
/*
* Flags to indicate what a tap listener's packet routine requires.
*/
#define TL_REQUIRES_NOTHING 0x00000000 /**< nothing */
#define TL_REQUIRES_PROTO_TREE 0x00000001 /**< full protocol tree */
#define TL_REQUIRES_COLUMNS 0x00000002 /**< columns */
/* Flags to indicate what the tap listener does */
#define TL_IS_DISSECTOR_HELPER 0x00000004 /** tap helps a dissector do work
** but does not, itself, require dissection */
extern void tap_init(void);
extern int register_tap(const char *name);
extern int find_tap_id(const char *name);
extern void tap_queue_packet(int tap_id, packet_info *pinfo, const void *tap_specific_data);
extern void tap_build_interesting(epan_dissect_t *edt);
extern void tap_queue_init(epan_dissect_t *edt);
extern void tap_push_tapped_queue(epan_dissect_t *edt);
extern void reset_tap_listeners(void);
extern void draw_tap_listeners(gboolean draw_all);
extern GString *register_tap_listener(const char *tapname, void *tapdata,
const char *fstring, guint flags, tap_reset_cb tap_reset,
tap_packet_cb tap_packet, tap_draw_cb tap_draw);
extern GString *set_tap_dfilter(void *tapdata, const char *fstring);
extern void remove_tap_listener(void *tapdata);
extern gboolean tap_listeners_require_dissection(void);
extern gboolean have_tap_listener(int tap_id);
extern gboolean have_filtering_tap_listeners(void);
extern guint union_of_tap_listener_flags(void);
extern const void *fetch_tapped_data(int tap_id, int idx);
#endif
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