2 * Definitions for packet capture windows
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 * Capture related things.
32 /** Name we give to the child process when doing a "-S" capture. */
33 #define CHILD_NAME "ethereal-capture"
37 /** Capture options coming from user interface */
38 typedef struct capture_options_tag {
41 int buffer_size; /**< the capture buffer size (MB) */
43 gboolean has_snaplen; /**< TRUE if maximum capture packet
44 length is specified */
45 int snaplen; /**< Maximum captured packet length */
46 gboolean promisc_mode; /**< Capture in promiscuous mode */
47 int linktype; /**< Data link type to use, or -1 for
51 gboolean sync_mode; /**< Fork a child to do the capture,
52 and sync between them */
53 gboolean show_info; /**< show the info dialog */
54 gboolean quit_after_cap; /** Makes a "capture only mode". Implies -k */
56 /* multiple files (and ringbuffer) */
57 gboolean multi_files_on; /**< TRUE if ring buffer in use */
59 gboolean has_file_duration; /**< TRUE if ring duration specified */
60 gint32 file_duration; /* Switch file after n seconds */
61 gboolean has_ring_num_files;/**< TRUE if ring num_files specified */
62 guint32 ring_num_files; /**< Number of multiple buffer files */
64 /* autostop conditions */
65 gboolean has_autostop_files;/**< TRUE if maximum number of capture files
67 gint32 autostop_files; /**< Maximum number of capture files */
69 gboolean has_autostop_packets; /**< TRUE if maximum packet count is
71 int autostop_packets; /**< Maximum packet count */
72 gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
74 gint32 autostop_filesize; /**< Maximum capture file size */
75 gboolean has_autostop_duration; /**< TRUE if maximum capture duration
77 gint32 autostop_duration; /**< Maximum capture duration */
80 /** True if this is the child for "-S" */
81 extern gboolean capture_child;
84 /** Open a specified file, or create a temporary file, and start a capture
85 * to the file in question.
87 * @return TRUE if the capture starts successfully, FALSE otherwise. */
88 extern gboolean do_capture(capture_options *capture_opts, const char *save_file);
90 /** Do the low-level work of a capture (start the capture child). */
91 extern int capture_start(capture_options *capture_opts, gboolean *stats_known, struct pcap_stat *stats);
93 /** Stop a capture from a menu item. */
94 extern void capture_stop(gboolean sync_mode);
96 /** Terminate the capture child cleanly when exiting. */
97 extern void kill_capture_child(gboolean sync_mode);
99 /** Do the low-level work of a capture. */
100 extern int capture_loop_start(capture_options *capture_opts, gboolean *stats_known, struct pcap_stat *stats);
102 /** Stop a low-level capture. */
103 extern void capture_loop_stop(void);
107 /** Current Capture info. */
110 gpointer callback_data; /**< capture callback handle */
111 gpointer ui; /**< user interfaces own handle */
114 packet_counts *counts; /**< protocol specific counters */
115 time_t running_time; /**< running time since last update */
116 gint new_packets; /**< packets since last update */
120 /** Create the capture info dialog */
121 extern void capture_info_create(
125 /** Update the capture info counters in the dialog */
126 extern void capture_info_update(
127 capture_info *cinfo);
129 /** Destroy the capture info dialog again */
130 extern void capture_info_destroy(
131 capture_info *cinfo);
134 #endif /* HAVE_LIBPCAP */
136 #endif /* capture.h */