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/epan.h>
29 #include <epan/dfilter/dfilter.h>
30 #include <epan/frame_data.h>
31 #include <epan/frame_data_sequence.h>
32 #include <wiretap/wtap.h>
36 #endif /* __cplusplus */
38 /* Current state of file. */
40 FILE_CLOSED, /* No file open */
41 FILE_READ_IN_PROGRESS, /* Reading a file we've opened */
42 FILE_READ_ABORTED, /* Read aborted by user */
43 FILE_READ_DONE /* Read completed */
46 /* Character set for text search. */
51 /* add EBCDIC when it's implemented */
59 #ifdef WANT_PACKET_EDITOR
60 /* XXX, where this struct should go? */
62 struct wtap_pkthdr phdr; /**< Modified packet header */
63 char *pd; /**< Modified packet data */
64 } modified_frame_data;
67 typedef struct _capture_file {
69 file_state state; /* Current state of capture file */
70 gchar *filename; /* Name of capture file */
71 gchar *source; /* Temp file source, e.g. "Pipe from elsewhere" */
72 gboolean is_tempfile; /* Is capture file a temporary file? */
73 gboolean unsaved_changes; /* Does the capture file have changes that have not been saved? */
74 gint64 f_datalen; /* Size of capture file data (uncompressed) */
75 guint16 cd_t; /* File type of capture file */
76 gboolean iscompressed; /* TRUE if the file is compressed */
77 int lnk_t; /* File link-layer type; could be WTAP_ENCAP_PER_PACKET */
78 GArray *linktypes; /* Array of packet link-layer types */
79 guint32 count; /* Total number of frames */
80 guint64 packet_comment_count; /* Number of comments in frames (could be >1 per frame... */
81 guint32 displayed_count; /* Number of displayed frames */
82 guint32 marked_count; /* Number of marked frames */
83 guint32 ignored_count; /* Number of ignored frames */
84 guint32 ref_time_count; /* Number of time referenced frames */
85 gboolean drops_known; /* TRUE if we know how many packets were dropped */
86 guint32 drops; /* Dropped packets */
87 nstime_t elapsed_time; /* Elapsed time */
88 gboolean has_snap; /* TRUE if maximum capture packet length is known */
89 int snap; /* Maximum captured packet length */
90 wtap *wth; /* Wiretap session */
91 dfilter_t *rfcode; /* Compiled read filter program */
92 dfilter_t *dfcode; /* Compiled display filter program */
93 gchar *dfilter; /* Display filter string */
94 gboolean redissecting; /* TRUE if currently redissecting (cf_redissect_packets) */
96 gchar *sfilter; /* Filter, hex value, or string being searched */
97 gboolean hex; /* TRUE if "Hex value" search was last selected */
98 gboolean string; /* TRUE if "String" search was last selected */
99 gboolean summary_data; /* TRUE if "String" search in "Packet list" (Info column) was last selected */
100 gboolean decode_data; /* TRUE if "String" search in "Packet details" was last selected */
101 gboolean packet_data; /* TRUE if "String" search in "Packet data" was last selected */
102 guint32 search_pos; /* Byte position of last byte found in a hex search */
103 gboolean case_type; /* TRUE if case-insensitive text search */
104 search_charset_t scs_type; /* Character set for text search */
105 search_direction dir; /* Direction in which to do searches */
106 gboolean search_in_progress; /* TRUE if user just clicked OK in the Find dialog or hit <control>N/B */
108 struct wtap_pkthdr phdr; /* Packet header */
109 Buffer buf; /* Packet data */
111 frame_data_sequence *frames; /* Sequence of frames, if we're keeping that information */
112 guint32 first_displayed; /* Frame number of first frame displayed */
113 guint32 last_displayed; /* Frame number of last frame displayed */
114 column_info cinfo; /* Column formatting information */
115 gboolean columns_changed; /**< Have the columns been changed in the prefs? */
116 frame_data *current_frame; /* Frame data for current frame */
117 gint current_row; /* Row number for current frame */
118 epan_dissect_t *edt; /* Protocol dissection for currently selected packet */
119 field_info *finfo_selected; /* Field info for currently selected field */
120 #ifdef WANT_PACKET_EDITOR
121 GTree *edited_frames; /* BST with modified frames */
123 gpointer window; /* Top-level window associated with file */
124 GTree *frames_user_comments; /* BST with user comments for frames (key = frame_data) */
125 gulong computed_elapsed;
128 const frame_data *ref;
129 frame_data *prev_dis;
130 frame_data *prev_cap;
133 extern void cap_file_init(capture_file *cf);
135 extern const char *cap_file_get_interface_name(void *data, guint32 interface_id);
139 #endif /* __cplusplus */