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/* file.h
* Definitions for file structures and routines
*
* $Id: file.h,v 1.48 1999/10/02 20:23:53 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
#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
static inline int file_error(void *fh) {
int errnum;
gzerror(fh, &errnum);
if (errnum<0) return errnum;
return 0;
}
#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
#define file_error ferror
#endif /* HAVE_LIBZ */
typedef struct bpf_program bpf_prog;
typedef struct _capture_file {
FILE_T fh; /* Capture file */
int filed; /* Filedes of capture file */
gchar *filename; /* filename */
long f_len; /* File length */
guint16 cd_t; /* Capture data type */
const gchar *cd_t_desc; /* Description of that data type */
guint32 vers; /* Version. For tcpdump minor is appended to major */
guint32 count; /* Packet count */
gfloat unfiltered_count; /* used for dfilter progress bar */
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 */
gint user_saved;/* Was capture file saved by user yet? */
wtap *wth; /* Wiretap session */
dfilter *rfcode; /* Compiled read filter program */
gchar *dfilter; /* Display filter string */
#if 0
GNode *dfcode; /* Compiled display filter program */
#endif
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
guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
frame_data *plist; /* Packet list */
frame_data *plist_end; /* Last packet in list */
column_info cinfo; /* Column formatting information */
int selected_packet; /* Index in packet list of currently selected packet, if any */
int selected_row; /* Row in packet display of currently selected packet, if any */
frame_data *fd; /* Frame data for currently selected packet */
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 *, capture_file *);
void close_cap_file(capture_file *, void *, guint);
int read_cap_file(capture_file *);
int tail_cap_file(char *, capture_file *);
/* size_t read_frame_header(capture_file *); */
int print_packets(capture_file *cf, print_args_t *print_args);
void filter_packets(capture_file *);
void change_time_formats(capture_file *);
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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