541c654ff0
Move the ringbuffer capture options from the "capture_file" structure to the structure for capture options, as they're a property of an in-progress capture, not a property of a particular capture file. svn path=/trunk/; revision=4799
149 lines
5.8 KiB
C
149 lines
5.8 KiB
C
/* file.h
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* Definitions for file structures and routines
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*
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* $Id: file.h,v 1.92 2002/02/24 09:25:34 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __FILE_H__
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#define __FILE_H__
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include "wiretap/wtap.h"
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#include <epan/dfilter/dfilter.h>
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#include "print.h"
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#include <errno.h>
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#include <epan/epan.h>
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/* Current state of file. */
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typedef enum {
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FILE_CLOSED, /* No file open */
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FILE_READ_IN_PROGRESS, /* Reading a file we've opened */
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FILE_READ_ABORTED, /* Read aborted by user */
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FILE_READ_DONE /* Read completed */
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} file_state;
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typedef struct _capture_file {
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file_state state; /* Current state of capture file */
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int filed; /* File descriptor of capture file */
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gchar *filename; /* Name of capture file */
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gboolean is_tempfile; /* Is capture file a temporary file? */
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gboolean user_saved;/* If capture file is temporary, has it been saved by user yet? */
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long f_len; /* Length of capture file */
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guint16 cd_t; /* File type of capture file */
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int lnk_t; /* Link-layer type with which to save capture */
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guint32 vers; /* Version. For tcpdump minor is appended to major */
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int count; /* Total number of frames */
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int marked_count; /* Number of marked frames */
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gboolean drops_known; /* TRUE if we know how many packets were dropped */
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guint32 drops; /* Dropped packets */
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guint32 esec; /* Elapsed seconds */
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guint32 eusec; /* Elapsed microseconds */
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gboolean has_snap; /* TRUE if maximum capture packet length is known */
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int snap; /* Maximum captured packet length */
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long progbar_quantum; /* Number of bytes read per progress bar update */
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long progbar_nextstep; /* Next point at which to update progress bar */
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gchar *iface; /* Interface */
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gchar *save_file; /* File that user saved capture to */
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int save_file_fd; /* File descriptor for saved file */
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wtap *wth; /* Wiretap session */
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dfilter_t *rfcode; /* Compiled read filter program */
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gchar *dfilter; /* Display filter string */
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struct _colfilter *colors; /* Colors for colorizing packet window */
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dfilter_t *dfcode; /* Compiled display filter program */
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#ifdef HAVE_LIBPCAP
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gchar *cfilter; /* Capture filter string */
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#endif
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gchar *sfilter; /* Search filter string */
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gboolean sbackward; /* TRUE if search is backward, FALSE if forward */
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union wtap_pseudo_header pseudo_header; /* Packet pseudo_header */
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guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
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GMemChunk *plist_chunk; /* Memory chunk for frame_data structures */
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frame_data *plist; /* Packet list */
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frame_data *plist_end; /* Last packet in list */
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frame_data *first_displayed; /* First frame displayed */
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frame_data *last_displayed; /* Last frame displayed */
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column_info cinfo; /* Column formatting information */
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frame_data *current_frame; /* Frame data for current frame */
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epan_dissect_t *edt; /* Protocol dissection fo rcurrently selected packet */
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FILE *print_fh; /* File we're printing to */
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} capture_file;
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/* Return values from "read_cap_file()", "continue_tail_cap_file()",
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and "finish_tail_cap_file()". */
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typedef enum {
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READ_SUCCESS, /* read succeeded */
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READ_ERROR, /* read got an error */
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READ_ABORTED /* read aborted by user */
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} read_status_t;
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int open_cap_file(char *, gboolean, capture_file *);
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void close_cap_file(capture_file *);
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read_status_t read_cap_file(capture_file *, int *);
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int start_tail_cap_file(char *, gboolean, capture_file *);
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read_status_t continue_tail_cap_file(capture_file *, int, int *);
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read_status_t finish_tail_cap_file(capture_file *, int *);
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/* size_t read_frame_header(capture_file *); */
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int save_cap_file(char *, capture_file *, gboolean, gboolean, guint);
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int filter_packets(capture_file *cf, gchar *dfilter);
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void colorize_packets(capture_file *);
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void redissect_packets(capture_file *cf);
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int print_packets(capture_file *cf, print_args_t *print_args);
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void change_time_formats(capture_file *);
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gboolean find_packet(capture_file *cf, dfilter_t *sfcode);
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typedef enum {
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FOUND_FRAME, /* found the frame */
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NO_SUCH_FRAME, /* no frame with that number */
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FRAME_NOT_DISPLAYED /* frame with that number isn't displayed */
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} goto_result_t;
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goto_result_t goto_frame(capture_file *cf, guint fnumber);
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void select_packet(capture_file *, int);
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void unselect_packet(capture_file *);
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void unselect_field(void);
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/*
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* Mark a particular frame in a particular capture.
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*/
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void mark_frame(capture_file *, frame_data *);
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/*
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* Unmark a particular frame in a particular capture.
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*/
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void unmark_frame(capture_file *, frame_data *);
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/* Moves or copies a file. Returns 0 on failure, 1 on success */
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int file_mv(char *from, char *to);
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/* Copies a file. Returns 0 on failure, 1 on success */
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int file_cp(char *from, char *to);
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char *file_open_error_message(int, gboolean);
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char *file_read_error_message(int);
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char *file_write_error_message(int);
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#endif /* file.h */
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