15a88e695f
that we've saved to a particular path, or that we've read in, could still be unsaved if we add comments to it. svn path=/trunk/; revision=41321
127 lines
5.5 KiB
C
127 lines
5.5 KiB
C
/* cfile.h
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* capture_file definition & GUI-independent manipulation
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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 __CFILE_H__
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#define __CFILE_H__
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#include "frame_data_sequence.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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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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/* Character set for text search. */
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typedef enum {
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SCS_ASCII_AND_UNICODE,
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SCS_ASCII,
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SCS_UNICODE
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/* add EBCDIC when it's implemented */
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} search_charset_t;
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typedef enum {
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SD_FORWARD,
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SD_BACKWARD
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} search_direction;
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/*
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* We store the frame_data structures in a radix tree, with 1024
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* elements per level. The leaf nodes are arrays of 1024 frame_data
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* structures; the nodes above them are arrays of 1024 pointers to
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* the nodes below them. The capture_file structure has a pointer
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* to the root node.
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*
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* As frame numbers are 32 bits, and as 1024 is 2^10, that gives us
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* up to 4 levels of tree.
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*/
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#define LOG2_NODES_PER_LEVEL 10
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#define NODES_PER_LEVEL (1<<LOG2_NODES_PER_LEVEL)
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typedef struct _capture_file {
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file_state state; /* Current state of capture file */
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gchar *filename; /* Name of capture file */
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gchar *source; /* Temp file source, e.g. "Pipe from elsewhere" */
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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 or modified, has it been saved by user yet? */
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gint64 f_datalen; /* Size of capture file data (uncompressed) */
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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 count; /* Total number of frames */
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guint32 displayed_count; /* Number of displayed frames */
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guint32 marked_count; /* Number of marked frames */
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guint32 ignored_count; /* Number of ignored frames */
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guint32 ref_time_count; /* Number of time referenced 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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nstime_t elapsed_time; /* Elapsed time */
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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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wtap *wth; /* Wiretap session */
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dfilter_t *rfcode; /* Compiled read (display) filter program */
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gchar *dfilter; /* Display filter string */
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gboolean redissecting; /* TRUE if currently redissecting (cf_redissect_packets) */
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/* search */
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gchar *sfilter; /* Filter, hex value, or string being searched */
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gboolean hex; /* TRUE if "Hex value" search was last selected */
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gboolean string; /* TRUE if "String" search was last selected */
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gboolean summary_data; /* TRUE if "String" search in "Packet list" (Info column) was last selected */
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gboolean decode_data; /* TRUE if "String" search in "Packet details" was last selected */
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gboolean packet_data; /* TRUE if "String" search in "Packet data" was last selected */
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guint32 search_pos; /* Byte position of last byte found in a hex search */
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gboolean case_type; /* TRUE if case-insensitive text search */
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search_charset_t scs_type; /* Character set for text search */
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search_direction dir; /* Direction in which to do searches */
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gboolean search_in_progress; /* TRUE if user just clicked OK in the Find dialog or hit <control>N/B */
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/* packet data */
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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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/* frames */
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frame_data_sequence *frames; /* Sequence of frames, if we're keeping that information */
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guint32 first_displayed; /* Frame number of first frame displayed */
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guint32 last_displayed; /* Frame number of 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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gint current_row; /* Row number for current frame */
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epan_dissect_t *edt; /* Protocol dissection for currently selected packet */
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field_info *finfo_selected; /* Field info for currently selected field */
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#ifdef WANT_PACKET_EDITOR
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GTree *edited_frames; /* BST with modified frames */
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#endif
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} capture_file;
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extern void cap_file_init(capture_file *cf);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* cfile.h */
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