2 * Definitions for file structures and routines
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include "packet-range.h"
29 #include "wiretap/wtap.h"
30 #include <epan/dfilter/dfilter.h>
33 #include <epan/epan.h>
38 /** Return values from functions that only can succeed or fail. */
40 CF_OK, /**< operation succeeded */
41 CF_ERROR /**< operation got an error (function may provide err with details) */
44 /** Return values from functions that read capture files. */
46 CF_READ_OK, /**< operation succeeded */
47 CF_READ_ERROR, /**< operation got an error (function may provide err with details) */
48 CF_READ_ABORTED /**< operation aborted by user */
51 /** Return values from functions that print sets of packets. */
53 CF_PRINT_OK, /**< print operation succeeded */
54 CF_PRINT_OPEN_ERROR, /**< print operation failed while opening printer */
55 CF_PRINT_WRITE_ERROR /**< print operation failed while writing to the printer */
61 cf_cb_file_read_start,
62 cf_cb_file_read_finished,
64 cf_cb_live_capture_prepared,
65 cf_cb_live_capture_update_started,
66 cf_cb_live_capture_update_continue,
67 cf_cb_live_capture_update_finished,
68 cf_cb_live_capture_fixed_started,
69 cf_cb_live_capture_fixed_finished,
70 cf_cb_live_capture_stopping,
72 cf_cb_packet_selected,
73 cf_cb_packet_unselected,
74 cf_cb_field_unselected,
75 cf_cb_file_safe_started,
76 cf_cb_file_safe_finished,
77 cf_cb_file_safe_reload_finished,
78 cf_cb_file_safe_failed
81 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
84 cf_callback_invoke(int event, gpointer data);
87 cf_callback_add(cf_callback_t func, gpointer user_data);
90 cf_callback_remove(cf_callback_t func);
93 * Open a capture file.
95 * @param cf the capture file to be opened
96 * @param fname the filename to be opened
97 * @param is_tempfile is this a temporary file?
98 * @return one of cf_status_t
100 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
103 * Close a capture file.
105 * @param cf the capture file to be closed
107 void cf_close(capture_file *cf);
110 * Reload a capture file.
112 * @param cf the capture file to be reloaded
114 void cf_reload(capture_file *cf);
117 * Read all packets of a capture file into the internal structures.
119 * @param cf the capture file to be read
120 * @return one of cf_read_status_t
122 cf_read_status_t cf_read(capture_file *cf);
125 * Start reading from the end of a capture file.
126 * This is used in "Update list of packets in Real-Time".
128 * @param cf the capture file to be read from
129 * @param fname the filename to be read from
130 * @param is_tempfile is this a temporary file?
131 * @param err the error code, if an error had occured
132 * @return one of cf_status_t
134 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
137 * Read packets from the "end" of a capture file.
139 * @param cf the capture file to be read from
140 * @param to_read the number of packets to read
141 * @param err the error code, if an error had occured
142 * @return one of cf_read_status_t
144 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
147 * Finish reading from "end" of a capture file.
149 * @param cf the capture file to be read from
150 * @param err the error code, if an error had occured
151 * @return one of cf_read_status_t
153 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
156 * Save a capture file (or a range of it).
158 * @param cf the capture file to save to
159 * @param fname the filename to save to
160 * @param range the range of packets to save
161 * @param save_format the format of the file to save (libpcap, ...)
162 * @param compressed wether to gzip compress the file
163 * @return one of cf_status_t
165 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed);
168 * Get a displayable name of the capture file.
170 * @param cf the capture file
171 * @return the displayable name (don't have to be g_free'd)
173 const gchar *cf_get_display_name(capture_file *cf);
176 * Get the number of packets in the capture file.
178 * @param cf the capture file
179 * @return the number of packets in the capture file
181 int cf_packet_count(capture_file *cf);
184 * Is this capture file a temporary file?
186 * @param cf the capture file
187 * @return TRUE if it's a temporary file, FALSE otherwise
189 gboolean cf_is_tempfile(capture_file *cf);
192 * Set flag, that this file is a tempfile.
194 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile);
197 * Set flag, if the number of packet drops while capturing are known or not.
199 * @param cf the capture file
200 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
202 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
205 * Set the number of packet drops while capturing.
207 * @param cf the capture file
208 * @param drops the number of packet drops occured while capturing
210 void cf_set_drops(capture_file *cf, guint32 drops);
213 * Get flag state, if the number of packet drops while capturing are known or not.
215 * @param cf the capture file
216 * @return TRUE if the number of packet drops are known, FALSE otherwise
218 gboolean cf_get_drops_known(capture_file *cf);
221 * Get the number of packet drops while capturing.
223 * @param cf the capture file
224 * @return the number of packet drops occured while capturing
226 guint32 cf_get_drops(capture_file *cf);
229 * Set the read filter.
230 * @todo this shouldn't be required, remove it somehow
232 * @param cf the capture file
233 * @param rfcode the readfilter
235 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
238 * "Display Filter" packets in the capture file.
240 * @param cf the capture file
241 * @param dfilter the display filter
242 * @param force TRUE if do in any case, FALSE only if dfilter changed
243 * @return one of cf_status_t
245 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
248 * At least one "Refence Time" flag has changed, rescan all packets.
250 * @param cf the capture file
252 void cf_reftime_packets(capture_file *cf);
255 * At least one "Refence Time" flag has changed, rescan all packets.
257 * @param cf the capture file
259 void cf_colorize_packets(capture_file *cf);
262 * "Something" has changed, rescan all packets.
264 * @param cf the capture file
266 void cf_redissect_packets(capture_file *cf);
269 * Rescan all packets and just run taps - don't reconstruct the display.
271 * @param cf the capture file
272 * @param do_columns TRUE if columns are to be generated, FALSE otherwise
273 * @return one of cf_read_status_t
275 cf_read_status_t cf_retap_packets(capture_file *cf, gboolean do_columns);
278 * The time format has changed, rescan all packets.
280 * @param cf the capture file
282 void cf_change_time_formats(capture_file *cf);
285 * Print the capture file.
287 * @param cf the capture file
288 * @param print_args the arguments what and how to print
289 * @return one of cf_print_status_t
291 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
294 * Print (export) the capture file into PDML format.
296 * @param cf the capture file
297 * @param print_args the arguments what and how to export
298 * @return one of cf_print_status_t
300 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
303 * Print (export) the capture file into PSML format.
305 * @param cf the capture file
306 * @param print_args the arguments what and how to export
307 * @return one of cf_print_status_t
309 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
312 * Print (export) the capture file into CSV format.
314 * @param cf the capture file
315 * @param print_args the arguments what and how to export
316 * @return one of cf_print_status_t
318 cf_print_status_t cf_write_csv_packets(capture_file *cf, print_args_t *print_args);
321 * Find Packet in protocol tree.
323 * @param cf the capture file
324 * @param string the string to find
325 * @return TRUE if a packet was found, FALSE otherwise
327 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
330 * Find Packet in summary line.
332 * @param cf the capture file
333 * @param string the string to find
334 * @return TRUE if a packet was found, FALSE otherwise
336 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
339 * Find Packet in packet data.
341 * @param cf the capture file
342 * @param string the string to find
343 * @param string_size the size of the string to find
344 * @return TRUE if a packet was found, FALSE otherwise
346 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
350 * Find Packet by display filter.
352 * @param cf the capture file
353 * @param sfcode the display filter to find a packet for
354 * @return TRUE if a packet was found, FALSE otherwise
356 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
359 * GoTo Packet in first row.
361 * @param cf the capture file
362 * @return TRUE if the first row exists, FALSE otherwise
364 gboolean cf_goto_top_frame(capture_file *cf);
367 * GoTo Packet in last row.
369 * @param cf the capture file
370 * @return TRUE if last row exists, FALSE otherwise
372 gboolean cf_goto_bottom_frame(capture_file *cf);
375 * GoTo Packet with the given row.
377 * @param cf the capture file
378 * @param row the row to go to
379 * @return TRUE if this row exists, FALSE otherwise
381 gboolean cf_goto_frame(capture_file *cf, guint row);
384 * Go to frame specified by currently selected protocol tree field.
385 * (Go To Corresponding Packet)
386 * @todo this is ugly and should be improved!
388 * @param cf the capture file
389 * @return TRUE if this packet exists, FALSE otherwise
391 gboolean cf_goto_framenum(capture_file *cf);
394 * Select the packet in the given row.
396 * @param cf the capture file
397 * @param row the row to select
399 void cf_select_packet(capture_file *cf, int row);
402 * Unselect all packets, if any.
404 * @param cf the capture file
405 * @param row the row to select
407 void cf_unselect_packet(capture_file *cf);
410 * Unselect all protocol tree fields, if any.
412 * @param cf the capture file
413 * @param row the row to select
415 void cf_unselect_field(capture_file *cf);
418 * Mark a particular frame in a particular capture.
420 * @param cf the capture file
421 * @param frame the frame to be marked
423 void cf_mark_frame(capture_file *cf, frame_data *frame);
426 * Unmark a particular frame in a particular capture.
428 * @param cf the capture file
429 * @param frame the frame to be unmarked
431 void cf_unmark_frame(capture_file *cf, frame_data *frame);
434 * Convert error number and info to a complete message.
436 * @param err the error number
437 * @param err_info the additional info about this error (e.g. filename)
438 * @return statically allocated error message
440 char *cf_read_error_message(int err, const gchar *err_info);
443 * Merge two (or more) capture files into one.
444 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
446 * @param out_filename pointer to output filename; if output filename is
447 * NULL, a temporary file name is generated and *out_filename is set
448 * to point to the generated file name
449 * @param in_file_count the number of input files to merge
450 * @param in_filnames array of input filenames
451 * @param file_type the output filetype
452 * @param do_append FALSE to merge chronologically, TRUE simply append
453 * @return one of cf_status_t
456 cf_merge_files(char **out_filename, int in_file_count,
457 char *const *in_filenames, int file_type, gboolean do_append);