2 * capture_file definition & GUI-independent manipulation
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include <epan/dfilter/dfilter.h>
29 #include <epan/frame_data.h>
30 #include "frame_data_sequence.h"
34 #endif /* __cplusplus */
36 /* Current state of file. */
38 FILE_CLOSED, /* No file open */
39 FILE_READ_IN_PROGRESS, /* Reading a file we've opened */
40 FILE_READ_ABORTED, /* Read aborted by user */
41 FILE_READ_DONE /* Read completed */
44 /* Character set for text search. */
49 /* add EBCDIC when it's implemented */
58 * We store the frame_data structures in a radix tree, with 1024
59 * elements per level. The leaf nodes are arrays of 1024 frame_data
60 * structures; the nodes above them are arrays of 1024 pointers to
61 * the nodes below them. The capture_file structure has a pointer
64 * As frame numbers are 32 bits, and as 1024 is 2^10, that gives us
65 * up to 4 levels of tree.
67 #define LOG2_NODES_PER_LEVEL 10
68 #define NODES_PER_LEVEL (1<<LOG2_NODES_PER_LEVEL)
70 typedef struct _capture_file {
71 file_state state; /* Current state of capture file */
72 gchar *filename; /* Name of capture file */
73 gchar *source; /* Temp file source, e.g. "Pipe from elsewhere" */
74 gboolean is_tempfile; /* Is capture file a temporary file? */
75 gboolean unsaved_changes; /* Does the capture file have changes that have not been saved? */
76 gint64 f_datalen; /* Size of capture file data (uncompressed) */
77 guint16 cd_t; /* File type of capture file */
78 gboolean iscompressed; /* TRUE if the file is compressed */
79 int lnk_t; /* File link-layer type; could be WTAP_ENCAP_PER_PACKET */
80 GArray *linktypes; /* Array of packet link-layer types */
81 guint32 count; /* Total number of frames */
82 guint64 packet_comment_count; /* Number of comments in frames (could be >1 per frame... */
83 guint32 displayed_count; /* Number of displayed frames */
84 guint32 marked_count; /* Number of marked frames */
85 guint32 ignored_count; /* Number of ignored frames */
86 guint32 ref_time_count; /* Number of time referenced frames */
87 gboolean drops_known; /* TRUE if we know how many packets were dropped */
88 guint32 drops; /* Dropped packets */
89 nstime_t elapsed_time; /* Elapsed time */
90 gboolean has_snap; /* TRUE if maximum capture packet length is known */
91 int snap; /* Maximum captured packet length */
92 wtap *wth; /* Wiretap session */
93 dfilter_t *rfcode; /* Compiled read (display) filter program */
94 gchar *dfilter; /* Display filter string */
95 gboolean redissecting; /* TRUE if currently redissecting (cf_redissect_packets) */
97 gchar *sfilter; /* Filter, hex value, or string being searched */
98 gboolean hex; /* TRUE if "Hex value" search was last selected */
99 gboolean string; /* TRUE if "String" search was last selected */
100 gboolean summary_data; /* TRUE if "String" search in "Packet list" (Info column) was last selected */
101 gboolean decode_data; /* TRUE if "String" search in "Packet details" was last selected */
102 gboolean packet_data; /* TRUE if "String" search in "Packet data" was last selected */
103 guint32 search_pos; /* Byte position of last byte found in a hex search */
104 gboolean case_type; /* TRUE if case-insensitive text search */
105 search_charset_t scs_type; /* Character set for text search */
106 search_direction dir; /* Direction in which to do searches */
107 gboolean search_in_progress; /* TRUE if user just clicked OK in the Find dialog or hit <control>N/B */
109 struct wtap_pkthdr phdr; /* Packet header */
110 guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
112 frame_data_sequence *frames; /* Sequence of frames, if we're keeping that information */
113 guint32 first_displayed; /* Frame number of first frame displayed */
114 guint32 last_displayed; /* Frame number of last frame displayed */
115 column_info cinfo; /* Column formatting information */
116 gboolean columns_changed; /**< Have the columns been changed in the prefs? */
117 frame_data *current_frame; /* Frame data for current frame */
118 gint current_row; /* Row number for current frame */
119 epan_dissect_t *edt; /* Protocol dissection for currently selected packet */
120 field_info *finfo_selected; /* Field info for currently selected field */
121 #ifdef WANT_PACKET_EDITOR
122 GTree *edited_frames; /* BST with modified frames */
124 gpointer window; /* Top-level window associated with file */
127 extern void cap_file_init(capture_file *cf);
131 #endif /* __cplusplus */