2 * Definitions for file structures and routines
4 * $Id: file.h,v 1.54 1999/11/25 18:02:07 gerald 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>
34 #include "wiretap/wtap.h"
57 #define file_open gzopen
58 #define filed_open gzdopen
59 #define file_seek gzseek
60 #define file_read(buf, bsize, count, file) gzread((file),(buf),((count)*(bsize)))
61 #define file_write(buf, bsize, count, file) gzwrite((file),(buf),((count)*(bsize)))
62 #define file_close gzclose
66 #define file_open fopen
67 #define filed_open fdopen
68 #define file_seek fseek
69 #define file_read fread
70 #define file_write fwrite
71 #define file_close fclose
72 #endif /* HAVE_LIBZ */
74 typedef struct bpf_program bpf_prog;
76 typedef struct _capture_file {
77 FILE_T fh; /* Capture file */
78 int filed; /* Filedes of capture file */
79 gchar *filename; /* filename */
80 long f_len; /* File length */
81 guint16 cd_t; /* Capture data type */
82 const gchar *cd_t_desc; /* Description of that data type */
83 guint32 vers; /* Version. For tcpdump minor is appended to major */
84 guint32 count; /* Packet count */
85 gfloat unfiltered_count; /* used for dfilter progress bar */
86 guint32 drops; /* Dropped packets */
87 guint32 esec; /* Elapsed seconds */
88 guint32 eusec; /* Elapsed microseconds */
89 guint32 snap; /* Captured packet length */
90 gboolean update_progbar; /* TRUE if we should update the progress bar */
91 long progbar_quantum; /* Number of bytes read per progress bar update */
92 long progbar_nextstep; /* Next point at which to update progress bar */
93 gchar *iface; /* Interface */
94 gchar *save_file; /* File that user saved capture to */
95 int save_file_fd; /* File descriptor for saved file */
96 gint user_saved;/* Was capture file saved by user yet? */
97 wtap *wth; /* Wiretap session */
98 dfilter *rfcode; /* Compiled read filter program */
99 gchar *dfilter; /* Display filter string */
100 colfilter *colors; /* Colors for colorizing packet window */
101 dfilter *dfcode; /* Compiled display filter program */
103 gchar *cfilter; /* Capture filter string */
104 bpf_prog fcode; /* Compiled capture filter program */
106 gchar *sfilter; /* Search filter string */
107 gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
108 guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
109 frame_data *plist; /* Packet list */
110 frame_data *plist_end; /* Last packet in list */
111 frame_data *first_displayed; /* First frame displayed */
112 frame_data *last_displayed; /* Last frame displayed */
113 column_info cinfo; /* Column formatting information */
114 frame_data *current_frame; /* Frame data for current frame */
115 int current_row; /* Row in packet display of current frame */
116 gboolean current_frame_is_selected; /* TRUE if that frame is selected */
117 proto_tree *protocol_tree; /* Protocol tree for currently selected packet */
118 FILE *print_fh; /* File we're printing to */
121 int open_cap_file(char *, capture_file *);
122 void close_cap_file(capture_file *, void *, guint);
123 int read_cap_file(capture_file *);
124 int tail_cap_file(char *, capture_file *);
125 /* size_t read_frame_header(capture_file *); */
127 int filter_packets(capture_file *cf, gchar *dfilter);
128 void colorize_packets(capture_file *);
129 int print_packets(capture_file *cf, print_args_t *print_args);
130 void change_time_formats(capture_file *);
131 gboolean find_packet(capture_file *cf, dfilter *sfcode);
132 gboolean goto_frame(capture_file *cf, guint fnumber);
133 void select_packet(capture_file *, int);
134 void unselect_packet(capture_file *);
136 /* Moves or copies a file. Returns 0 on failure, 1 on success */
137 int file_mv(char *from, char *to);
139 /* Copies a file. Returns 0 on failure, 1 on success */
140 int file_cp(char *from, char *to);
142 char *file_open_error_message(int, int);
143 char *file_read_error_message(int);
144 char *file_write_error_message(int);