2 * Definitions for file structures and routines
4 * $Id: file.h,v 1.34 1999/08/15 01:02:26 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@zing.org>
8 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 #ifdef HAVE_SYS_TYPES_H
30 #include <sys/types.h>
33 #ifdef HAVE_SYS_TIME_H
38 #include "wiretap/wtap.h"
51 typedef struct bpf_program bpf_prog;
53 typedef struct _capture_file {
54 FILE *fh; /* Capture file */
55 gchar *filename; /* filename */
56 long f_len; /* File length */
57 guint16 cd_t; /* Capture data type */
58 const gchar *cd_t_desc;/* Description of that data type */
59 guint32 vers; /* Version. For tcpdump minor is appended to major */
60 guint32 count; /* Packet count */
61 gfloat unfiltered_count; /* used for dfilter progress bar */
62 guint32 drops; /* Dropped packets */
63 guint32 esec; /* Elapsed seconds */
64 guint32 eusec; /* Elapsed microseconds */
65 guint32 snap; /* Captured packet length */
66 gchar *iface; /* Interface */
67 gchar *save_file; /* File that user saved capture to */
68 gint user_saved;/* Was capture file saved by user yet? */
69 wtap *wth; /* Wiretap session */
70 gchar *rfilter; /* Read filter string */
71 gchar *dfilter; /* Display filter string */
72 dfilter *dfcode; /* Compiled display filter program */
74 gchar *cfilter; /* Capture filter string */
75 bpf_prog fcode; /* Compiled capture filter program */
77 /* XXX - I'm cheating for now. I'll hardcode 65536 here until I re-arrange
78 * more header files so that ethereal.h is split up into two files, a
79 * generic header and a gtk+-specific header (or the gtk+ definitions are
80 * moved to different header files) --gilbert
82 /*guint8 pd[MAX_PACKET_SIZE];*/ /* Packet data */
83 guint8 pd[65536]; /* Packet data */
84 frame_data *plist; /* Packet list */
85 frame_data *plist_end; /* Last packet in list */
86 column_info cinfo; /* Column formatting information */
87 int selected_packet; /* Index in packet list of currently selected packet, if any */
88 int selected_row; /* Row in packet display of currently selected packet, if any */
89 frame_data *fd; /* Frame data for currently selected packet */
90 proto_tree *protocol_tree; /* Protocol tree for currently selected packet */
91 FILE *print_fh; /* File we're printing to */
96 * "open_cap_file()" can return:
100 * a positive "errno" value on an open failure;
102 * a negative number, indicating the type of error, on other failures.
104 #define OPEN_CAP_FILE_NOT_REGULAR -1 /* not a plain file */
105 #define OPEN_CAP_FILE_UNKNOWN_FORMAT -2 /* not a capture file in a known format */
107 int open_cap_file(char *, capture_file *);
108 void close_cap_file(capture_file *, void *, guint);
109 int read_cap_file(char *, capture_file *);
110 int tail_cap_file(char *, capture_file *);
111 /* size_t read_frame_header(capture_file *); */
113 int print_packets(capture_file *cf, int to_file, const char *dest);
114 void filter_packets(capture_file *);
115 void change_time_formats(capture_file *);
116 void select_packet(capture_file *, int);
117 void unselect_packet(capture_file *);
119 /* Moves or copies a file. Returns 0 on failure, 1 on success */
120 int file_mv(char *from, char *to);
122 /* Copies a file. Returns 0 on failure, 1 on success */
123 int file_cp(char *from, char *to);
125 char *file_open_error_message(int, int);
126 char *file_read_error_message(int);
127 char *file_write_error_message(int);