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/* file.h
* Definitions for file structures and routines
*
* $Id: file.h,v 1.62 2000/01/08 23:49:33 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __FILE_H__
#define __FILE_H__
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifndef __WTAP_H__
#include "wiretap/wtap.h"
#endif
#ifdef HAVE_LIBPCAP
#ifndef lib_pcap_h
#include <pcap.h>
#endif
#endif
#ifndef __DFILTER_H__
#include "dfilter.h"
#endif
#ifndef __COLORS_H__
#include "colors.h"
#endif
#ifndef __PRINT_H__
#include "print.h"
#endif
#include <errno.h>
#ifdef HAVE_LIBZ
#include "zlib.h"
#define FILE_T gzFile
#define file_open gzopen
#define filed_open gzdopen
#define file_seek gzseek
#define file_read(buf, bsize, count, file) gzread((file),(buf),((count)*(bsize)))
#define file_write(buf, bsize, count, file) gzwrite((file),(buf),((count)*(bsize)))
#define file_close gzclose
#else /* No zLib */
#define FILE_T FILE *
#define file_open fopen
#define filed_open fdopen
#define file_seek fseek
#define file_read fread
#define file_write fwrite
#define file_close fclose
#endif /* HAVE_LIBZ */
typedef struct bpf_program bpf_prog;
typedef struct _capture_file {
FILE_T fh; /* File handle for capture file */
int filed; /* File descriptor of capture file */
gchar *filename; /* Name of capture file */
gboolean is_tempfile; /* Is capture file a temporary file? */
gboolean user_saved;/* If capture file is temporary, has it been saved by user yet? */
long f_len; /* Length of capture file */
guint16 cd_t; /* File type of capture file */
int lnk_t; /* Link-layer type with which to save capture */
guint32 vers; /* Version. For tcpdump minor is appended to major */
guint32 count; /* Packet count */
guint32 drops; /* Dropped packets */
guint32 esec; /* Elapsed seconds */
guint32 eusec; /* Elapsed microseconds */
guint32 snap; /* Captured packet length */
gboolean update_progbar; /* TRUE if we should update the progress bar */
long progbar_quantum; /* Number of bytes read per progress bar update */
long progbar_nextstep; /* Next point at which to update progress bar */
gchar *iface; /* Interface */
gchar *save_file; /* File that user saved capture to */
int save_file_fd; /* File descriptor for saved file */
wtap *wth; /* Wiretap session */
dfilter *rfcode; /* Compiled read filter program */
gchar *dfilter; /* Display filter string */
colfilter *colors; /* Colors for colorizing packet window */
dfilter *dfcode; /* Compiled display filter program */
#ifdef HAVE_LIBPCAP
gchar *cfilter; /* Capture filter string */
bpf_prog fcode; /* Compiled capture filter program */
#endif
gchar *sfilter; /* Search filter string */
gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
frame_data *plist; /* Packet list */
frame_data *plist_end; /* Last packet in list */
frame_data *first_displayed; /* First frame displayed */
frame_data *last_displayed; /* Last frame displayed */
column_info cinfo; /* Column formatting information */
frame_data *current_frame; /* Frame data for current frame */
int current_row; /* Row in packet display of current frame */
gboolean current_frame_is_selected; /* TRUE if that frame is selected */
proto_tree *protocol_tree; /* Protocol tree for currently selected packet */
FILE *print_fh; /* File we're printing to */
} capture_file;
int open_cap_file(char *, gboolean, capture_file *);
void close_cap_file(capture_file *, void *);
int read_cap_file(capture_file *);
int start_tail_cap_file(char *, gboolean, capture_file *);
int continue_tail_cap_file(capture_file *, int);
int finish_tail_cap_file(capture_file *);
/* size_t read_frame_header(capture_file *); */
int save_cap_file(char *, capture_file *, gboolean, guint);
int filter_packets(capture_file *cf, gchar *dfilter);
void colorize_packets(capture_file *);
int print_packets(capture_file *cf, print_args_t *print_args);
void change_time_formats(capture_file *);
gboolean find_packet(capture_file *cf, dfilter *sfcode);
typedef enum {
FOUND_FRAME, /* found the frame */
NO_SUCH_FRAME, /* no frame with that number */
FRAME_NOT_DISPLAYED /* frame with that number isn't displayed */
} goto_result_t;
goto_result_t goto_frame(capture_file *cf, guint fnumber);
void select_packet(capture_file *, int);
void unselect_packet(capture_file *);
/* Moves or copies a file. Returns 0 on failure, 1 on success */
int file_mv(char *from, char *to);
/* Copies a file. Returns 0 on failure, 1 on success */
int file_cp(char *from, char *to);
char *file_open_error_message(int, int);
char *file_read_error_message(int);
char *file_write_error_message(int);
#endif /* file.h */
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