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/* capture.h
* Definitions for packet capture windows
*
* $Id: capture.h,v 1.46 2004/06/04 17:19:01 ulfl 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 __CAPTURE_H__
#define __CAPTURE_H__
#ifdef HAVE_LIBPCAP
/** @file
* Capture related things.
*/
/** Name we give to the child process when doing a "-S" capture. */
#define CHILD_NAME "ethereal-capture"
/** Capture options coming from user interface */
typedef struct {
#ifdef _WIN32
int buffer_size; /**< the capture buffer size (MB) */
#endif
gboolean has_snaplen; /**< TRUE if maximum capture packet
length is specified */
int snaplen; /**< Maximum captured packet length */
int promisc_mode; /**< Capture in promiscuous mode */
int linktype; /**< Data link type to use, or -1 for
"use default" */
int sync_mode; /**< Fork a child to do the capture,
and sync between them */
gboolean multi_files_on; /**< TRUE if ring buffer in use */
gboolean has_file_duration; /**< TRUE if ring duration specified */
gint32 file_duration; /* Switch file after n seconds */
gboolean has_ring_num_files;/**< TRUE if ring num_files specified */
guint32 ring_num_files; /**< Number of multiple buffer files */
gboolean has_autostop_files;/**< TRUE if maximum number of capture files
are specified */
gint32 autostop_files; /**< Maximum number of capture files */
gboolean has_autostop_packets; /**< TRUE if maximum packet count is
specified */
int autostop_packets; /**< Maximum packet count */
gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
is specified */
gint32 autostop_filesize; /**< Maximum capture file size */
gboolean has_autostop_duration; /**< TRUE if maximum capture duration
is specified */
gint32 autostop_duration; /**< Maximum capture duration */
} capture_options;
/** Global capture options. */
extern capture_options capture_opts;
/** Makes a "capture only mode". Implies -k */
extern gboolean quit_after_cap;
/** If this is the child for "-S" */
extern gboolean capture_child;
/** Open a specified file, or create a temporary file, and start a capture
to the file in question. Returns TRUE if the capture starts
successfully, FALSE otherwise. */
gboolean do_capture(const char *save_file);
/** Do the low-level work of a capture. */
int capture(gboolean *stats_known, struct pcap_stat *stats);
/** Stop a capture from a menu item. */
void capture_stop(void);
/** Terminate the capture child cleanly when exiting. */
void kill_capture_child(void);
/** Number of packet counts.
* @todo improve this macro (put something like this into epan/packet.h?) */
#define CAPTURE_PACKET_COUNTS sizeof(packet_counts) / sizeof (gint)
/** Current Capture info. */
typedef struct {
/* handles */
gpointer callback_data; /**< capture callback handle */
gpointer ui; /**< user interfaces own handle */
/* capture info */
packet_counts *counts; /**< protocol specific counters */
time_t running_time; /**< running time since last update */
gint new_packets; /**< packets since last update */
} capture_info;
/** Create the capture info dialog */
extern void capture_info_create(
capture_info *cinfo,
gchar *iface);
/** Update the capture info counters in the dialog */
extern void capture_info_update(
capture_info *cinfo);
/** Destroy the capture info dialog again */
extern void capture_info_destroy(
capture_info *cinfo);
#endif /* HAVE_LIBPCAP */
#endif /* capture.h */
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