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 */
60 cf_cb_file_read_start,
61 cf_cb_file_read_finished,
63 cf_cb_live_capture_prepared,
64 cf_cb_live_capture_update_started,
65 cf_cb_live_capture_update_continue,
66 cf_cb_live_capture_update_finished,
67 cf_cb_live_capture_fixed_started,
68 cf_cb_live_capture_fixed_finished,
70 cf_cb_packet_selected,
71 cf_cb_packet_unselected,
72 cf_cb_field_unselected,
73 cf_cb_file_safe_started,
74 cf_cb_file_safe_finished,
75 cf_cb_file_safe_reload_finished,
76 cf_cb_file_safe_failed
79 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
82 cf_callback_invoke(int event, gpointer data);
85 cf_callback_add(cf_callback_t func, gpointer user_data);
88 cf_callback_remove(cf_callback_t func);
91 * Open a capture file.
93 * @param cf the capture file to be opened
94 * @param fname the filename to be opened
95 * @param is_tempfile is this a temporary file?
96 * @return one of cf_status_t
98 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
101 * Close a capture file.
103 * @param cf the capture file to be closed
105 void cf_close(capture_file *cf);
108 * Reload a capture file.
110 * @param cf the capture file to be reloaded
112 void cf_reload(capture_file *cf);
115 * Read all packets of a capture file into the internal structures.
117 * @param cf the capture file to be read
118 * @return one of cf_read_status_t
120 cf_read_status_t cf_read(capture_file *cf);
123 * Start reading from the end of a capture file.
124 * This is used in "Update list of packets in Real-Time".
126 * @param cf the capture file to be read from
127 * @param fname the filename to be read from
128 * @param is_tempfile is this a temporary file?
129 * @param err the error code, if an error had occured
130 * @return one of cf_status_t
132 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
135 * Read packets from the "end" of a capture file.
137 * @param cf the capture file to be read from
138 * @param to_read the number of packets to read
139 * @param err the error code, if an error had occured
140 * @return one of cf_read_status_t
142 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
145 * Finish reading from "end" of a capture file.
147 * @param cf the capture file to be read from
148 * @param err the error code, if an error had occured
149 * @return one of cf_read_status_t
151 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
154 * Save a capture file (or a range of it).
156 * @param cf the capture file to save to
157 * @param fname the filename to save to
158 * @param range the range of packets to save
159 * @param save_format the format of the file to save (libpcap, ...)
160 * @param compressed wether to gzip compress the file
161 * @return one of cf_status_t
163 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed);
166 * Get a displayable name of the capture file.
168 * @param cf the capture file
169 * @return the displayable name (don't have to be g_free'd)
171 const gchar *cf_get_display_name(capture_file *cf);
174 * Get the number of packets in the capture file.
176 * @param cf the capture file
177 * @return the number of packets in the capture file
179 int cf_packet_count(capture_file *cf);
182 * Is this capture file a temporary file?
184 * @param cf the capture file
185 * @return TRUE if it's a temporary file, FALSE otherwise
187 gboolean cf_is_tempfile(capture_file *cf);
190 * Set flag, that this file is a tempfile.
192 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile);
195 * Set flag, if the number of packet drops while capturing are known or not.
197 * @param cf the capture file
198 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
200 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
203 * Set the number of packet drops while capturing.
205 * @param cf the capture file
206 * @param drops the number of packet drops occured while capturing
208 void cf_set_drops(capture_file *cf, guint32 drops);
211 * Get flag state, if the number of packet drops while capturing are known or not.
213 * @param cf the capture file
214 * @return TRUE if the number of packet drops are known, FALSE otherwise
216 gboolean cf_get_drops_known(capture_file *cf);
219 * Get the number of packet drops while capturing.
221 * @param cf the capture file
222 * @return the number of packet drops occured while capturing
224 guint32 cf_get_drops(capture_file *cf);
227 * Set the read filter.
228 * @todo this shouldn't be required, remove it somehow
230 * @param cf the capture file
231 * @param rfcode the readfilter
233 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
236 * "Display Filter" packets in the capture file.
238 * @param cf the capture file
239 * @param dfilter the display filter
240 * @param force TRUE if do in any case, FALSE only if dfilter changed
241 * @return one of cf_status_t
243 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
246 * At least one "Refence Time" flag has changed, rescan all packets.
248 * @param cf the capture file
250 void cf_reftime_packets(capture_file *cf);
253 * At least one "Refence Time" flag has changed, rescan all packets.
255 * @param cf the capture file
257 void cf_colorize_packets(capture_file *cf);
260 * "Something" has changed, rescan all packets.
262 * @param cf the capture file
264 void cf_redissect_packets(capture_file *cf);
267 * Rescan all packets and just run taps - don't reconstruct the display.
269 * @param cf the capture file
270 * @param do_columns TRUE if columns are to be generated, FALSE otherwise
271 * @return one of cf_read_status_t
273 cf_read_status_t cf_retap_packets(capture_file *cf, gboolean do_columns);
276 * The time format has changed, rescan all packets.
278 * @param cf the capture file
280 void cf_change_time_formats(capture_file *cf);
283 * Print the capture file.
285 * @param cf the capture file
286 * @param print_args the arguments what and how to print
287 * @return one of cf_print_status_t
289 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
292 * Print (export) the capture file into PDML format.
294 * @param cf the capture file
295 * @param print_args the arguments what and how to export
296 * @return one of cf_print_status_t
298 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
301 * Print (export) the capture file into PSML format.
303 * @param cf the capture file
304 * @param print_args the arguments what and how to export
305 * @return one of cf_print_status_t
307 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
310 * Print (export) the capture file into CSV format.
312 * @param cf the capture file
313 * @param print_args the arguments what and how to export
314 * @return one of cf_print_status_t
316 cf_print_status_t cf_write_csv_packets(capture_file *cf, print_args_t *print_args);
319 * Find Packet in protocol tree.
321 * @param cf the capture file
322 * @param string the string to find
323 * @return TRUE if a packet was found, FALSE otherwise
325 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
328 * Find Packet in summary line.
330 * @param cf the capture file
331 * @param string the string to find
332 * @return TRUE if a packet was found, FALSE otherwise
334 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
337 * Find Packet in packet data.
339 * @param cf the capture file
340 * @param string the string to find
341 * @param string_size the size of the string to find
342 * @return TRUE if a packet was found, FALSE otherwise
344 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
348 * Find Packet by display filter.
350 * @param cf the capture file
351 * @param sfcode the display filter to find a packet for
352 * @return TRUE if a packet was found, FALSE otherwise
354 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
357 * GoTo Packet in first row.
359 * @param cf the capture file
360 * @return TRUE if the first row exists, FALSE otherwise
362 gboolean cf_goto_top_frame(capture_file *cf);
365 * GoTo Packet in last row.
367 * @param cf the capture file
368 * @return TRUE if last row exists, FALSE otherwise
370 gboolean cf_goto_bottom_frame(capture_file *cf);
373 * GoTo Packet with the given row.
375 * @param cf the capture file
376 * @param row the row to go to
377 * @return TRUE if this row exists, FALSE otherwise
379 gboolean cf_goto_frame(capture_file *cf, guint row);
382 * Go to frame specified by currently selected protocol tree field.
383 * (Go To Corresponding Packet)
384 * @todo this is ugly and should be improved!
386 * @param cf the capture file
387 * @return TRUE if this packet exists, FALSE otherwise
389 gboolean cf_goto_framenum(capture_file *cf);
392 * Select the packet in the given row.
394 * @param cf the capture file
395 * @param row the row to select
397 void cf_select_packet(capture_file *cf, int row);
400 * Unselect all packets, if any.
402 * @param cf the capture file
403 * @param row the row to select
405 void cf_unselect_packet(capture_file *cf);
408 * Unselect all protocol tree fields, if any.
410 * @param cf the capture file
411 * @param row the row to select
413 void cf_unselect_field(capture_file *cf);
416 * Mark a particular frame in a particular capture.
418 * @param cf the capture file
419 * @param frame the frame to be marked
421 void cf_mark_frame(capture_file *cf, frame_data *frame);
424 * Unmark a particular frame in a particular capture.
426 * @param cf the capture file
427 * @param frame the frame to be unmarked
429 void cf_unmark_frame(capture_file *cf, frame_data *frame);
432 * Convert error number and info to a complete message.
434 * @param err the error number
435 * @param err_info the additional info about this error (e.g. filename)
436 * @return statically allocated error message
438 char *cf_read_error_message(int err, const gchar *err_info);
441 * Merge two (or more) capture files into one.
442 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
444 * @param out_filename pointer to output filename; if output filename is
445 * NULL, a temporary file name is generated and *out_filename is set
446 * to point to the generated file name
447 * @param in_file_count the number of input files to merge
448 * @param in_filnames array of input filenames
449 * @param file_type the output filetype
450 * @param do_append FALSE to merge chronologically, TRUE simply append
451 * @return one of cf_status_t
454 cf_merge_files(char **out_filename, int in_file_count,
455 char *const *in_filenames, int file_type, gboolean do_append);