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_prepare,
64 cf_cb_live_capture_started,
65 cf_cb_live_capture_finished,
67 cf_cb_packet_selected,
68 cf_cb_packet_unselected,
69 cf_cb_field_unselected,
70 cf_cb_file_safe_started,
71 cf_cb_file_safe_finished,
72 cf_cb_file_safe_reload_finished,
73 cf_cb_file_safe_failed
76 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
79 cf_callback_invoke(int event, gpointer data);
82 cf_callback_add(cf_callback_t func, gpointer user_data);
85 cf_callback_remove(cf_callback_t func);
88 * Open a capture file.
90 * @param cf the capture file to be opened
91 * @param fname the filename to be opened
92 * @param is_tempfile is this a temporary file?
93 * @return one of cf_status_t
95 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
98 * Close a capture file.
100 * @param cf the capture file to be closed
102 void cf_close(capture_file *cf);
105 * Reload a capture file.
107 * @param cf the capture file to be reloaded
109 void cf_reload(capture_file *cf);
112 * Read all packets of a capture file into the internal structures.
114 * @param cf the capture file to be read
115 * @return one of cf_read_status_t
117 cf_read_status_t cf_read(capture_file *cf);
120 * Start reading from the end of a capture file.
121 * This is used in "Update list of packets in Real-Time".
123 * @param cf the capture file to be read from
124 * @param fname the filename to be read from
125 * @param is_tempfile is this a temporary file?
126 * @param err the error code, if an error had occured
127 * @return one of cf_status_t
129 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
132 * Read packets from the "end" of a capture file.
134 * @param cf the capture file to be read from
135 * @param to_read the number of packets to read
136 * @param err the error code, if an error had occured
137 * @return one of cf_read_status_t
139 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
142 * Finish reading from "end" of a capture file.
144 * @param cf the capture file to be read from
145 * @param err the error code, if an error had occured
146 * @return one of cf_read_status_t
148 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
151 * Save a capture file (or a range of it).
153 * @param cf the capture file to save to
154 * @param fname the filename to save to
155 * @param range the range of packets to save
156 * @param save_format the format of the file to save (libpcap, ...)
157 * @return one of cf_status_t
159 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format);
162 * Get a displayable name of the capture file.
164 * @param cf the capture file
165 * @return the displayable name (don't have to be g_free'd)
167 const gchar *cf_get_display_name(capture_file *cf);
170 * Get the number of packets in the capture file.
172 * @param cf the capture file
173 * @return the number of packets in the capture file
175 int cf_packet_count(capture_file *cf);
178 * Is this capture file a temporary file?
180 * @param cf the capture file
181 * @return TRUE if it's a temporary file, FALSE otherwise
183 gboolean cf_is_tempfile(capture_file *cf);
186 * Set flag, if the number of packet drops while capturing are known or not.
188 * @param cf the capture file
189 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
191 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
194 * Set the number of packet drops while capturing.
196 * @param cf the capture file
197 * @param drops the number of packet drops occured while capturing
199 void cf_set_drops(capture_file *cf, guint32 drops);
202 * Get flag state, if the number of packet drops while capturing are known or not.
204 * @param cf the capture file
205 * @return TRUE if the number of packet drops are known, FALSE otherwise
207 gboolean cf_get_drops_known(capture_file *cf);
210 * Get the number of packet drops while capturing.
212 * @param cf the capture file
213 * @return the number of packet drops occured while capturing
215 guint32 cf_get_drops(capture_file *cf);
218 * Set the read filter.
219 * @todo this shouldn't be required, remove it somehow
221 * @param cf the capture file
222 * @param rfcode the readfilter
224 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
227 * "Display Filter" packets in the capture file.
229 * @param cf the capture file
230 * @param dfilter the display filter
231 * @param force TRUE if do in any case, FALSE only if dfilter changed
232 * @return one of cf_status_t
234 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
237 * At least one "Refence Time" flag has changed, rescan all packets.
239 * @param cf the capture file
241 void cf_reftime_packets(capture_file *cf);
244 * At least one "Refence Time" flag has changed, rescan all packets.
246 * @param cf the capture file
248 void cf_colorize_packets(capture_file *cf);
251 * "Something" has changed, rescan all packets.
253 * @param cf the capture file
255 void cf_redissect_packets(capture_file *cf);
258 * Rescan all packets and just run taps - don't reconstruct the display.
260 * @param cf the capture file
261 * @return one of cf_read_status_t
263 cf_read_status_t cf_retap_packets(capture_file *cf);
266 * The time format has changed, rescan all packets.
268 * @param cf the capture file
270 void cf_change_time_formats(capture_file *cf);
273 * Print the capture file.
275 * @param cf the capture file
276 * @param print_args the arguments what and how to print
277 * @return one of cf_print_status_t
279 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
282 * Print (export) the capture file into PDML format.
284 * @param cf the capture file
285 * @param print_args the arguments what and how to export
286 * @return one of cf_print_status_t
288 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
291 * Print (export) the capture file into PSML format.
293 * @param cf the capture file
294 * @param print_args the arguments what and how to export
295 * @return one of cf_print_status_t
297 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
300 * Find Packet in protocol tree.
302 * @param cf the capture file
303 * @param string the string to find
304 * @return TRUE if a packet was found, FALSE otherwise
306 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
309 * Find Packet in summary line.
311 * @param cf the capture file
312 * @param string the string to find
313 * @return TRUE if a packet was found, FALSE otherwise
315 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
318 * Find Packet in packet data.
320 * @param cf the capture file
321 * @param string the string to find
322 * @param string_size the size of the string to find
323 * @return TRUE if a packet was found, FALSE otherwise
325 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
329 * Find Packet by display filter.
331 * @param cf the capture file
332 * @param sfcode the display filter to find a packet for
333 * @return TRUE if a packet was found, FALSE otherwise
335 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
338 * GoTo Packet in first row.
340 * @param cf the capture file
341 * @return TRUE if the first row exists, FALSE otherwise
343 gboolean cf_goto_top_frame(capture_file *cf);
346 * GoTo Packet in last row.
348 * @param cf the capture file
349 * @return TRUE if last row exists, FALSE otherwise
351 gboolean cf_goto_bottom_frame(capture_file *cf);
354 * GoTo Packet with the given row.
356 * @param cf the capture file
357 * @param row the row to go to
358 * @return TRUE if this row exists, FALSE otherwise
360 gboolean cf_goto_frame(capture_file *cf, guint row);
363 * Go to frame specified by currently selected protocol tree field.
364 * (Go To Corresponding Packet)
365 * @todo this is ugly and should be improved!
367 * @param cf the capture file
368 * @return TRUE if this packet exists, FALSE otherwise
370 gboolean cf_goto_framenum(capture_file *cf);
373 * Select the packet in the given row.
375 * @param cf the capture file
376 * @param row the row to select
378 void cf_select_packet(capture_file *cf, int row);
381 * Unselect all packets, if any.
383 * @param cf the capture file
384 * @param row the row to select
386 void cf_unselect_packet(capture_file *cf);
389 * Unselect all protocol tree fields, if any.
391 * @param cf the capture file
392 * @param row the row to select
394 void cf_unselect_field(capture_file *cf);
397 * Mark a particular frame in a particular capture.
399 * @param cf the capture file
400 * @param frame the frame to be marked
402 void cf_mark_frame(capture_file *cf, frame_data *frame);
405 * Unmark a particular frame in a particular capture.
407 * @param cf the capture file
408 * @param frame the frame to be unmarked
410 void cf_unmark_frame(capture_file *cf, frame_data *frame);
413 * Convert error number and info to a complete message.
415 * @param err the error number
416 * @param err_info the additional info about this error (e.g. filename)
417 * @return statically allocated error message
419 char *cf_read_error_message(int err, const gchar *err_info);
422 * Merge two (or more) capture files into one.
423 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
425 * @param out_filename pointer to output filename; if output filename is
426 * NULL, a temporary file name is generated and *out_filename is set
427 * to point to the generated file name
428 * @param in_file_count the number of input files to merge
429 * @param in_filnames array of input filenames
430 * @param file_type the output filetype
431 * @param do_append FALSE to merge chronologically, TRUE simply append
432 * @return one of cf_status_t
435 cf_merge_files(char **out_filename, int in_file_count,
436 char *const *in_filenames, int file_type, gboolean do_append);