2 * capture_file definition & GUI-independent manipulation
4 * $Id: cfile.h,v 1.2 2003/07/22 23:08:47 guy Exp $
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.
28 /* Current state of file. */
30 FILE_CLOSED, /* No file open */
31 FILE_READ_IN_PROGRESS, /* Reading a file we've opened */
32 FILE_READ_ABORTED, /* Read aborted by user */
33 FILE_READ_DONE /* Read completed */
36 typedef struct _capture_file {
37 file_state state; /* Current state of capture file */
38 int filed; /* File descriptor of capture file */
39 gchar *filename; /* Name of capture file */
40 gboolean is_tempfile; /* Is capture file a temporary file? */
41 gboolean user_saved;/* If capture file is temporary, has it been saved by user yet? */
42 long f_len; /* Length of capture file */
43 guint16 cd_t; /* File type of capture file */
44 int lnk_t; /* Link-layer type with which to save capture */
45 guint32 vers; /* Version. For tcpdump minor is appended to major */
46 int count; /* Total number of frames */
47 int marked_count; /* Number of marked frames */
48 gboolean drops_known; /* TRUE if we know how many packets were dropped */
49 guint32 drops; /* Dropped packets */
50 guint32 esec; /* Elapsed seconds */
51 guint32 eusec; /* Elapsed microseconds */
52 gboolean has_snap; /* TRUE if maximum capture packet length is known */
53 int snap; /* Maximum captured packet length */
54 long progbar_quantum; /* Number of bytes read per progress bar update */
55 long progbar_nextstep; /* Next point at which to update progress bar */
56 gchar *iface; /* Interface */
57 gchar *save_file; /* File that user saved capture to */
58 int save_file_fd; /* File descriptor for saved file */
59 wtap *wth; /* Wiretap session */
60 dfilter_t *rfcode; /* Compiled read filter program */
61 gchar *dfilter; /* Display filter string */
62 dfilter_t *dfcode; /* Compiled display filter program */
64 gchar *cfilter; /* Capture filter string */
66 gchar *sfilter; /* Search filter string */
67 gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
68 gboolean hex; /* TRUE is Hex search is being performed */
69 gboolean ascii; /* TRUE is ASCII search is being performed */
70 char *ftype; /* Find Frame String Type */
71 union wtap_pseudo_header pseudo_header; /* Packet pseudo_header */
72 guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
73 GMemChunk *plist_chunk; /* Memory chunk for frame_data structures */
74 frame_data *plist; /* Packet list */
75 frame_data *plist_end; /* Last packet in list */
76 frame_data *first_displayed; /* First frame displayed */
77 frame_data *last_displayed; /* Last frame displayed */
78 column_info cinfo; /* Column formatting information */
79 frame_data *current_frame; /* Frame data for current frame */
80 epan_dissect_t *edt; /* Protocol dissection for currently selected packet */
81 FILE *print_fh; /* File we're printing to */
82 struct ph_stats_s* pstats; /* accumulated stats (reset on redisplay in GUI)*/
85 void init_cap_file(capture_file *);