2 * Definitions for file structures and routines
4 * $Id: file.h,v 1.59 1999/12/04 08:59:13 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>
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; /* File handle for capture file */
78 int filed; /* File descriptor of capture file */
79 gchar *filename; /* Name of capture file */
80 gboolean is_tempfile; /* Is capture file a temporary file? */
81 gboolean user_saved;/* If capture file is temporary, has it been saved by user yet? */
82 long f_len; /* Length of capture file */
83 guint16 cd_t; /* File type of capture file */
84 gboolean first_packet; /* TRUE if we're looking at the first packet */
85 int lnk_t; /* Link-layer type with which to save capture */
86 guint32 vers; /* Version. For tcpdump minor is appended to major */
87 guint32 count; /* Packet count */
88 gfloat unfiltered_count; /* used for dfilter progress bar */
89 guint32 drops; /* Dropped packets */
90 guint32 esec; /* Elapsed seconds */
91 guint32 eusec; /* Elapsed microseconds */
92 guint32 snap; /* Captured packet length */
93 gboolean update_progbar; /* TRUE if we should update the progress bar */
94 long progbar_quantum; /* Number of bytes read per progress bar update */
95 long progbar_nextstep; /* Next point at which to update progress bar */
96 gchar *iface; /* Interface */
97 gchar *save_file; /* File that user saved capture to */
98 int save_file_fd; /* File descriptor for saved file */
99 wtap *wth; /* Wiretap session */
100 dfilter *rfcode; /* Compiled read filter program */
101 gchar *dfilter; /* Display filter string */
102 colfilter *colors; /* Colors for colorizing packet window */
103 dfilter *dfcode; /* Compiled display filter program */
105 gchar *cfilter; /* Capture filter string */
106 bpf_prog fcode; /* Compiled capture filter program */
108 gchar *sfilter; /* Search filter string */
109 gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
110 guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
111 frame_data *plist; /* Packet list */
112 frame_data *plist_end; /* Last packet in list */
113 frame_data *first_displayed; /* First frame displayed */
114 frame_data *last_displayed; /* Last frame displayed */
115 column_info cinfo; /* Column formatting information */
116 frame_data *current_frame; /* Frame data for current frame */
117 int current_row; /* Row in packet display of current frame */
118 gboolean current_frame_is_selected; /* TRUE if that frame is selected */
119 proto_tree *protocol_tree; /* Protocol tree for currently selected packet */
120 FILE *print_fh; /* File we're printing to */
123 int open_cap_file(char *, gboolean, capture_file *);
124 void close_cap_file(capture_file *, void *);
125 int read_cap_file(capture_file *);
126 int start_tail_cap_file(char *, gboolean, capture_file *);
127 int continue_tail_cap_file(capture_file *, int);
128 int finish_tail_cap_file(capture_file *);
129 /* size_t read_frame_header(capture_file *); */
130 int save_cap_file(char *, capture_file *, gboolean, guint);
132 int filter_packets(capture_file *cf, gchar *dfilter);
133 void colorize_packets(capture_file *);
134 int print_packets(capture_file *cf, print_args_t *print_args);
135 void change_time_formats(capture_file *);
136 gboolean find_packet(capture_file *cf, dfilter *sfcode);
139 FOUND_FRAME, /* found the frame */
140 NO_SUCH_FRAME, /* no frame with that number */
141 FRAME_NOT_DISPLAYED /* frame with that number isn't displayed */
143 goto_result_t goto_frame(capture_file *cf, guint fnumber);
145 void select_packet(capture_file *, int);
146 void unselect_packet(capture_file *);
148 /* Moves or copies a file. Returns 0 on failure, 1 on success */
149 int file_mv(char *from, char *to);
151 /* Copies a file. Returns 0 on failure, 1 on success */
152 int file_cp(char *from, char *to);
154 char *file_open_error_message(int, int);
155 char *file_read_error_message(int);
156 char *file_write_error_message(int);