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 * Set the read filter.
203 * @todo this shouldn't be required, remove it somehow
205 * @param cf the capture file
206 * @param rfcode the readfilter
208 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
211 * "Display Filter" packets in the capture file.
213 * @param cf the capture file
214 * @param dfilter the display filter
215 * @param force TRUE if do in any case, FALSE only if dfilter changed
216 * @return one of cf_status_t
218 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
221 * At least one "Refence Time" flag has changed, rescan all packets.
223 * @param cf the capture file
225 void cf_reftime_packets(capture_file *cf);
228 * At least one "Refence Time" flag has changed, rescan all packets.
230 * @param cf the capture file
232 void cf_colorize_packets(capture_file *cf);
235 * "Something" has changed, rescan all packets.
237 * @param cf the capture file
239 void cf_redissect_packets(capture_file *cf);
242 * Rescan all packets and just run taps - don't reconstruct the display.
244 * @param cf the capture file
245 * @return one of cf_read_status_t
247 cf_read_status_t cf_retap_packets(capture_file *cf);
250 * The time format has changed, rescan all packets.
252 * @param cf the capture file
254 void cf_change_time_formats(capture_file *cf);
257 * Print the capture file.
259 * @param cf the capture file
260 * @param print_args the arguments what and how to print
261 * @return one of cf_print_status_t
263 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
266 * Print (export) the capture file into PDML format.
268 * @param cf the capture file
269 * @param print_args the arguments what and how to export
270 * @return one of cf_print_status_t
272 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
275 * Print (export) the capture file into PSML format.
277 * @param cf the capture file
278 * @param print_args the arguments what and how to export
279 * @return one of cf_print_status_t
281 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
284 * Find Packet in protocol tree.
286 * @param cf the capture file
287 * @param string the string to find
288 * @return TRUE if a packet was found, FALSE otherwise
290 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
293 * Find Packet in summary line.
295 * @param cf the capture file
296 * @param string the string to find
297 * @return TRUE if a packet was found, FALSE otherwise
299 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
302 * Find Packet in packet data.
304 * @param cf the capture file
305 * @param string the string to find
306 * @param string_size the size of the string to find
307 * @return TRUE if a packet was found, FALSE otherwise
309 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
313 * Find Packet by display filter.
315 * @param cf the capture file
316 * @param sfcode the display filter to find a packet for
317 * @return TRUE if a packet was found, FALSE otherwise
319 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
322 * GoTo Packet in first row.
324 * @param cf the capture file
325 * @return TRUE if the first row exists, FALSE otherwise
327 gboolean cf_goto_top_frame(capture_file *cf);
330 * GoTo Packet in last row.
332 * @param cf the capture file
333 * @return TRUE if last row exists, FALSE otherwise
335 gboolean cf_goto_bottom_frame(capture_file *cf);
338 * GoTo Packet with the given row.
340 * @param cf the capture file
341 * @param row the row to go to
342 * @return TRUE if this row exists, FALSE otherwise
344 gboolean cf_goto_frame(capture_file *cf, guint row);
347 * Go to frame specified by currently selected protocol tree field.
348 * (Go To Corresponding Packet)
349 * @todo this is ugly and should be improved!
351 * @param cf the capture file
352 * @return TRUE if this packet exists, FALSE otherwise
354 gboolean cf_goto_framenum(capture_file *cf);
357 * Select the packet in the given row.
359 * @param cf the capture file
360 * @param row the row to select
362 void cf_select_packet(capture_file *cf, int row);
365 * Unselect all packets, if any.
367 * @param cf the capture file
368 * @param row the row to select
370 void cf_unselect_packet(capture_file *cf);
373 * Unselect all protocol tree fields, if any.
375 * @param cf the capture file
376 * @param row the row to select
378 void cf_unselect_field(capture_file *cf);
381 * Mark a particular frame in a particular capture.
383 * @param cf the capture file
384 * @param frame the frame to be marked
386 void cf_mark_frame(capture_file *cf, frame_data *frame);
389 * Unmark a particular frame in a particular capture.
391 * @param cf the capture file
392 * @param frame the frame to be unmarked
394 void cf_unmark_frame(capture_file *cf, frame_data *frame);
397 * Convert error number and info to a complete message.
399 * @param err the error number
400 * @param err_info the additional info about this error (e.g. filename)
401 * @return statically allocated error message
403 char *cf_read_error_message(int err, const gchar *err_info);
406 * Merge two (or more) capture files into one.
407 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
409 * @param out_filename pointer to output filename; if output filename is
410 * NULL, a temporary file name is generated and *out_filename is set
411 * to point to the generated file name
412 * @param in_file_count the number of input files to merge
413 * @param in_filnames array of input filenames
414 * @param file_type the output filetype
415 * @param do_append FALSE to merge chronologically, TRUE simply append
416 * @return one of cf_status_t
419 cf_merge_files(char **out_filename, int in_file_count,
420 char *const *in_filenames, int file_type, gboolean do_append);