2 * Definitions for file structures and routines
4 * $Id: file.h,v 1.92 2002/02/24 09:25:34 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 #ifdef HAVE_SYS_TYPES_H
29 #include <sys/types.h>
32 #include "wiretap/wtap.h"
33 #include <epan/dfilter/dfilter.h>
36 #include <epan/epan.h>
38 /* Current state of file. */
40 FILE_CLOSED, /* No file open */
41 FILE_READ_IN_PROGRESS, /* Reading a file we've opened */
42 FILE_READ_ABORTED, /* Read aborted by user */
43 FILE_READ_DONE /* Read completed */
46 typedef struct _capture_file {
47 file_state state; /* Current state of capture file */
48 int filed; /* File descriptor of capture file */
49 gchar *filename; /* Name of capture file */
50 gboolean is_tempfile; /* Is capture file a temporary file? */
51 gboolean user_saved;/* If capture file is temporary, has it been saved by user yet? */
52 long f_len; /* Length of capture file */
53 guint16 cd_t; /* File type of capture file */
54 int lnk_t; /* Link-layer type with which to save capture */
55 guint32 vers; /* Version. For tcpdump minor is appended to major */
56 int count; /* Total number of frames */
57 int marked_count; /* Number of marked frames */
58 gboolean drops_known; /* TRUE if we know how many packets were dropped */
59 guint32 drops; /* Dropped packets */
60 guint32 esec; /* Elapsed seconds */
61 guint32 eusec; /* Elapsed microseconds */
62 gboolean has_snap; /* TRUE if maximum capture packet length is known */
63 int snap; /* Maximum captured packet length */
64 long progbar_quantum; /* Number of bytes read per progress bar update */
65 long progbar_nextstep; /* Next point at which to update progress bar */
66 gchar *iface; /* Interface */
67 gchar *save_file; /* File that user saved capture to */
68 int save_file_fd; /* File descriptor for saved file */
69 wtap *wth; /* Wiretap session */
70 dfilter_t *rfcode; /* Compiled read filter program */
71 gchar *dfilter; /* Display filter string */
72 struct _colfilter *colors; /* Colors for colorizing packet window */
73 dfilter_t *dfcode; /* Compiled display filter program */
75 gchar *cfilter; /* Capture filter string */
77 gchar *sfilter; /* Search filter string */
78 gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
79 union wtap_pseudo_header pseudo_header; /* Packet pseudo_header */
80 guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
81 GMemChunk *plist_chunk; /* Memory chunk for frame_data structures */
82 frame_data *plist; /* Packet list */
83 frame_data *plist_end; /* Last packet in list */
84 frame_data *first_displayed; /* First frame displayed */
85 frame_data *last_displayed; /* Last frame displayed */
86 column_info cinfo; /* Column formatting information */
87 frame_data *current_frame; /* Frame data for current frame */
88 epan_dissect_t *edt; /* Protocol dissection fo rcurrently selected packet */
89 FILE *print_fh; /* File we're printing to */
92 /* Return values from "read_cap_file()", "continue_tail_cap_file()",
93 and "finish_tail_cap_file()". */
95 READ_SUCCESS, /* read succeeded */
96 READ_ERROR, /* read got an error */
97 READ_ABORTED /* read aborted by user */
100 int open_cap_file(char *, gboolean, capture_file *);
101 void close_cap_file(capture_file *);
102 read_status_t read_cap_file(capture_file *, int *);
103 int start_tail_cap_file(char *, gboolean, capture_file *);
104 read_status_t continue_tail_cap_file(capture_file *, int, int *);
105 read_status_t finish_tail_cap_file(capture_file *, int *);
106 /* size_t read_frame_header(capture_file *); */
107 int save_cap_file(char *, capture_file *, gboolean, gboolean, guint);
109 int filter_packets(capture_file *cf, gchar *dfilter);
110 void colorize_packets(capture_file *);
111 void redissect_packets(capture_file *cf);
112 int print_packets(capture_file *cf, print_args_t *print_args);
113 void change_time_formats(capture_file *);
114 gboolean find_packet(capture_file *cf, dfilter_t *sfcode);
117 FOUND_FRAME, /* found the frame */
118 NO_SUCH_FRAME, /* no frame with that number */
119 FRAME_NOT_DISPLAYED /* frame with that number isn't displayed */
121 goto_result_t goto_frame(capture_file *cf, guint fnumber);
123 void select_packet(capture_file *, int);
124 void unselect_packet(capture_file *);
126 void unselect_field(void);
129 * Mark a particular frame in a particular capture.
131 void mark_frame(capture_file *, frame_data *);
134 * Unmark a particular frame in a particular capture.
136 void unmark_frame(capture_file *, frame_data *);
138 /* Moves or copies a file. Returns 0 on failure, 1 on success */
139 int file_mv(char *from, char *to);
141 /* Copies a file. Returns 0 on failure, 1 on success */
142 int file_cp(char *from, char *to);
144 char *file_open_error_message(int, gboolean);
145 char *file_read_error_message(int);
146 char *file_write_error_message(int);