forked from osmocom/wireshark
135 lines
4.6 KiB
C
135 lines
4.6 KiB
C
/* capture.h
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* Definitions for packet capture windows
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __CAPTURE_H__
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#define __CAPTURE_H__
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/** @file
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* Capture related things.
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*/
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/** Name we give to the child process when doing a "-S" capture. */
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#define CHILD_NAME "ethereal-capture"
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#ifdef HAVE_LIBPCAP
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/** Capture options coming from user interface */
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typedef struct capture_options_tag {
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/* general */
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#ifdef _WIN32
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int buffer_size; /**< the capture buffer size (MB) */
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#endif
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gboolean has_snaplen; /**< TRUE if maximum capture packet
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length is specified */
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int snaplen; /**< Maximum captured packet length */
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gboolean promisc_mode; /**< Capture in promiscuous mode */
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int linktype; /**< Data link type to use, or -1 for
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"use default" */
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gboolean capture_child; /**< True if this is the child for "-S" */
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/* GUI related */
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gboolean sync_mode; /**< Fork a child to do the capture,
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and sync between them */
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gboolean show_info; /**< show the info dialog */
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gboolean quit_after_cap; /** Makes a "capture only mode". Implies -k */
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/* multiple files (and ringbuffer) */
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gboolean multi_files_on; /**< TRUE if ring buffer in use */
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gboolean has_file_duration; /**< TRUE if ring duration specified */
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gint32 file_duration; /* Switch file after n seconds */
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gboolean has_ring_num_files;/**< TRUE if ring num_files specified */
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guint32 ring_num_files; /**< Number of multiple buffer files */
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/* autostop conditions */
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gboolean has_autostop_files;/**< TRUE if maximum number of capture files
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are specified */
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gint32 autostop_files; /**< Maximum number of capture files */
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gboolean has_autostop_packets; /**< TRUE if maximum packet count is
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specified */
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int autostop_packets; /**< Maximum packet count */
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gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
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is specified */
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gint32 autostop_filesize; /**< Maximum capture file size */
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gboolean has_autostop_duration; /**< TRUE if maximum capture duration
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is specified */
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gint32 autostop_duration; /**< Maximum capture duration */
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} capture_options;
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/** Open a specified file, or create a temporary file, and start a capture
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* to the file in question.
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*
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* @return TRUE if the capture starts successfully, FALSE otherwise. */
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extern gboolean do_capture(capture_options *capture_opts, const char *save_file);
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/** Do the low-level work of a capture (start the capture child). */
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extern int capture_start(capture_options *capture_opts, gboolean *stats_known, struct pcap_stat *stats);
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/** Stop a capture from a menu item. */
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extern void capture_stop(gboolean sync_mode);
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/** Terminate the capture child cleanly when exiting. */
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extern void kill_capture_child(gboolean sync_mode);
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/** Do the low-level work of a capture. */
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extern int capture_loop_start(capture_options *capture_opts, gboolean *stats_known, struct pcap_stat *stats);
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/** Stop a low-level capture. */
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extern void capture_loop_stop(void);
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/** Current Capture info. */
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typedef struct {
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/* handles */
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gpointer callback_data; /**< capture callback handle */
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gpointer ui; /**< user interfaces own handle */
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/* capture info */
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packet_counts *counts; /**< protocol specific counters */
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time_t running_time; /**< running time since last update */
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gint new_packets; /**< packets since last update */
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} capture_info;
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/** Create the capture info dialog */
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extern void capture_info_create(
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capture_info *cinfo,
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gchar *iface);
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/** Update the capture info counters in the dialog */
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extern void capture_info_update(
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capture_info *cinfo);
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/** Destroy the capture info dialog again */
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extern void capture_info_destroy(
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capture_info *cinfo);
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#endif /* HAVE_LIBPCAP */
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#endif /* capture.h */
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