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_update_started,
64 cf_cb_live_capture_fixed_started,
65 cf_cb_live_capture_update_finished,
66 cf_cb_live_capture_fixed_finished,
68 cf_cb_packet_selected,
69 cf_cb_packet_unselected,
70 cf_cb_field_unselected,
71 cf_cb_file_safe_started,
72 cf_cb_file_safe_finished,
73 cf_cb_file_safe_reload_finished,
74 cf_cb_file_safe_failed
77 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
80 cf_callback_invoke(int event, gpointer data);
83 cf_callback_add(cf_callback_t func, gpointer user_data);
86 cf_callback_remove(cf_callback_t func);
89 * Open a capture file.
91 * @param cf the capture file to be opened
92 * @param fname the filename to be opened
93 * @param is_tempfile is this a temporary file?
94 * @return one of cf_status_t
96 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
99 * Close a capture file.
101 * @param cf the capture file to be closed
103 void cf_close(capture_file *cf);
106 * Reload a capture file.
108 * @param cf the capture file to be reloaded
110 void cf_reload(capture_file *cf);
113 * Read all packets of a capture file into the internal structures.
115 * @param cf the capture file to be read
116 * @return one of cf_read_status_t
118 cf_read_status_t cf_read(capture_file *cf);
121 * Start reading from the end of a capture file.
122 * This is used in "Update list of packets in Real-Time".
124 * @param cf the capture file to be read from
125 * @param fname the filename to be read from
126 * @param is_tempfile is this a temporary file?
127 * @param err the error code, if an error had occured
128 * @return one of cf_status_t
130 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
133 * Read packets from the "end" of a capture file.
135 * @param cf the capture file to be read from
136 * @param to_read the number of packets to read
137 * @param err the error code, if an error had occured
138 * @return one of cf_read_status_t
140 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
143 * Finish reading from "end" of a capture file.
145 * @param cf the capture file to be read from
146 * @param err the error code, if an error had occured
147 * @return one of cf_read_status_t
149 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
152 * Save a capture file (or a range of it).
154 * @param cf the capture file to save to
155 * @param fname the filename to save to
156 * @param range the range of packets to save
157 * @param save_format the format of the file to save (libpcap, ...)
158 * @return one of cf_status_t
160 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format);
163 * Get a displayable name of the capture file.
165 * @param cf the capture file
166 * @return the displayable name (don't have to be g_free'd)
168 const gchar *cf_get_display_name(capture_file *cf);
171 * Get the number of packets in the capture file.
173 * @param cf the capture file
174 * @return the number of packets in the capture file
176 int cf_packet_count(capture_file *cf);
179 * Is this capture file a temporary file?
181 * @param cf the capture file
182 * @return TRUE if it's a temporary file, FALSE otherwise
184 gboolean cf_is_tempfile(capture_file *cf);
187 * Set flag, that this file is a tempfile.
189 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile);
192 * Set flag, if the number of packet drops while capturing are known or not.
194 * @param cf the capture file
195 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
197 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
200 * Set the number of packet drops while capturing.
202 * @param cf the capture file
203 * @param drops the number of packet drops occured while capturing
205 void cf_set_drops(capture_file *cf, guint32 drops);
208 * Get flag state, if the number of packet drops while capturing are known or not.
210 * @param cf the capture file
211 * @return TRUE if the number of packet drops are known, FALSE otherwise
213 gboolean cf_get_drops_known(capture_file *cf);
216 * Get the number of packet drops while capturing.
218 * @param cf the capture file
219 * @return the number of packet drops occured while capturing
221 guint32 cf_get_drops(capture_file *cf);
224 * Set the read filter.
225 * @todo this shouldn't be required, remove it somehow
227 * @param cf the capture file
228 * @param rfcode the readfilter
230 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
233 * "Display Filter" packets in the capture file.
235 * @param cf the capture file
236 * @param dfilter the display filter
237 * @param force TRUE if do in any case, FALSE only if dfilter changed
238 * @return one of cf_status_t
240 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
243 * At least one "Refence Time" flag has changed, rescan all packets.
245 * @param cf the capture file
247 void cf_reftime_packets(capture_file *cf);
250 * At least one "Refence Time" flag has changed, rescan all packets.
252 * @param cf the capture file
254 void cf_colorize_packets(capture_file *cf);
257 * "Something" has changed, rescan all packets.
259 * @param cf the capture file
261 void cf_redissect_packets(capture_file *cf);
264 * Rescan all packets and just run taps - don't reconstruct the display.
266 * @param cf the capture file
267 * @return one of cf_read_status_t
269 cf_read_status_t cf_retap_packets(capture_file *cf);
272 * The time format has changed, rescan all packets.
274 * @param cf the capture file
276 void cf_change_time_formats(capture_file *cf);
279 * Print the capture file.
281 * @param cf the capture file
282 * @param print_args the arguments what and how to print
283 * @return one of cf_print_status_t
285 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
288 * Print (export) the capture file into PDML format.
290 * @param cf the capture file
291 * @param print_args the arguments what and how to export
292 * @return one of cf_print_status_t
294 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
297 * Print (export) the capture file into PSML format.
299 * @param cf the capture file
300 * @param print_args the arguments what and how to export
301 * @return one of cf_print_status_t
303 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
306 * Print (export) the capture file into CSV format.
308 * @param cf the capture file
309 * @param print_args the arguments what and how to export
310 * @return one of cf_print_status_t
312 cf_print_status_t cf_write_csv_packets(capture_file *cf, print_args_t *print_args);
315 * Find Packet in protocol tree.
317 * @param cf the capture file
318 * @param string the string to find
319 * @return TRUE if a packet was found, FALSE otherwise
321 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
324 * Find Packet in summary line.
326 * @param cf the capture file
327 * @param string the string to find
328 * @return TRUE if a packet was found, FALSE otherwise
330 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
333 * Find Packet in packet data.
335 * @param cf the capture file
336 * @param string the string to find
337 * @param string_size the size of the string to find
338 * @return TRUE if a packet was found, FALSE otherwise
340 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
344 * Find Packet by display filter.
346 * @param cf the capture file
347 * @param sfcode the display filter to find a packet for
348 * @return TRUE if a packet was found, FALSE otherwise
350 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
353 * GoTo Packet in first row.
355 * @param cf the capture file
356 * @return TRUE if the first row exists, FALSE otherwise
358 gboolean cf_goto_top_frame(capture_file *cf);
361 * GoTo Packet in last row.
363 * @param cf the capture file
364 * @return TRUE if last row exists, FALSE otherwise
366 gboolean cf_goto_bottom_frame(capture_file *cf);
369 * GoTo Packet with the given row.
371 * @param cf the capture file
372 * @param row the row to go to
373 * @return TRUE if this row exists, FALSE otherwise
375 gboolean cf_goto_frame(capture_file *cf, guint row);
378 * Go to frame specified by currently selected protocol tree field.
379 * (Go To Corresponding Packet)
380 * @todo this is ugly and should be improved!
382 * @param cf the capture file
383 * @return TRUE if this packet exists, FALSE otherwise
385 gboolean cf_goto_framenum(capture_file *cf);
388 * Select the packet in the given row.
390 * @param cf the capture file
391 * @param row the row to select
393 void cf_select_packet(capture_file *cf, int row);
396 * Unselect all packets, if any.
398 * @param cf the capture file
399 * @param row the row to select
401 void cf_unselect_packet(capture_file *cf);
404 * Unselect all protocol tree fields, if any.
406 * @param cf the capture file
407 * @param row the row to select
409 void cf_unselect_field(capture_file *cf);
412 * Mark a particular frame in a particular capture.
414 * @param cf the capture file
415 * @param frame the frame to be marked
417 void cf_mark_frame(capture_file *cf, frame_data *frame);
420 * Unmark a particular frame in a particular capture.
422 * @param cf the capture file
423 * @param frame the frame to be unmarked
425 void cf_unmark_frame(capture_file *cf, frame_data *frame);
428 * Convert error number and info to a complete message.
430 * @param err the error number
431 * @param err_info the additional info about this error (e.g. filename)
432 * @return statically allocated error message
434 char *cf_read_error_message(int err, const gchar *err_info);
437 * Merge two (or more) capture files into one.
438 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
440 * @param out_filename pointer to output filename; if output filename is
441 * NULL, a temporary file name is generated and *out_filename is set
442 * to point to the generated file name
443 * @param in_file_count the number of input files to merge
444 * @param in_filnames array of input filenames
445 * @param file_type the output filetype
446 * @param do_append FALSE to merge chronologically, TRUE simply append
447 * @return one of cf_status_t
450 cf_merge_files(char **out_filename, int in_file_count,
451 char *const *in_filenames, int file_type, gboolean do_append);