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,
62 cf_cb_live_capture_started,
63 cf_cb_live_capture_finished,
64 cf_cb_packet_selected,
65 cf_cb_packet_unselected,
66 cf_cb_field_unselected,
67 cf_cb_file_safe_started,
68 cf_cb_file_safe_finished,
69 cf_cb_file_safe_reload_finished,
70 cf_cb_file_safe_failed
73 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
76 cf_callback_add(cf_callback_t func, gpointer user_data);
79 cf_callback_remove(cf_callback_t func);
82 * Open a capture file.
84 * @param cf the capture file to be opened
85 * @param fname the filename to be opened
86 * @param is_tempfile is this a temporary file?
87 * @return one of cf_status_t
89 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
92 * Close a capture file.
94 * @param cf the capture file to be closed
96 void cf_close(capture_file *cf);
99 * Reload a capture file.
101 * @param cf the capture file to be reloaded
103 void cf_reload(capture_file *cf);
106 * Read all packets of a capture file into the internal structures.
108 * @param cf the capture file to be read
109 * @return one of cf_read_status_t
111 cf_read_status_t cf_read(capture_file *cf);
114 * Start reading from the end of a capture file.
115 * This is used in "Update list of packets in Real-Time".
117 * @param cf the capture file to be read from
118 * @param fname the filename to be read from
119 * @param is_tempfile is this a temporary file?
120 * @param err the error code, if an error had occured
121 * @return one of cf_status_t
123 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
126 * Read packets from the "end" of a capture file.
128 * @param cf the capture file to be read from
129 * @param to_read the number of packets to read
130 * @param err the error code, if an error had occured
131 * @return one of cf_read_status_t
133 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
136 * Finish reading from "end" of a capture file.
138 * @param cf the capture file to be read from
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_finish_tail(capture_file *cf, int *err);
145 * Save a capture file (or a range of it).
147 * @param cf the capture file to save to
148 * @param fname the filename to save to
149 * @param range the range of packets to save
150 * @param save_format the format of the file to save (libpcap, ...)
151 * @return one of cf_status_t
153 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format);
156 * Get a displayable name of the capture file.
158 * @param cf the capture file
159 * @return the displayable name (don't have to be g_free'd)
161 const gchar *cf_get_display_name(capture_file *cf);
164 * Get the number of packets in the capture file.
166 * @param cf the capture file
167 * @return the number of packets in the capture file
169 int cf_packet_count(capture_file *cf);
172 * Is this capture file a temporary file?
174 * @param cf the capture file
175 * @return TRUE if it's a temporary file, FALSE otherwise
177 gboolean cf_is_tempfile(capture_file *cf);
180 * Set flag, if the number of packet drops while capturing are known or not.
182 * @param cf the capture file
183 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
185 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
188 * Set the number of packet drops while capturing.
190 * @param cf the capture file
191 * @param drops the number of packet drops occured while capturing
193 void cf_set_drops(capture_file *cf, guint32 drops);
196 * Set the read filter.
197 * @todo this shouldn't be required, remove it somehow
199 * @param cf the capture file
200 * @param rfcode the readfilter
202 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
205 * "Display Filter" packets in the capture file.
207 * @param cf the capture file
208 * @param dfilter the display filter
209 * @param force TRUE if do in any case, FALSE only if dfilter changed
210 * @return one of cf_status_t
212 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
215 * At least one "Refence Time" flag has changed, rescan all packets.
217 * @param cf the capture file
219 void cf_reftime_packets(capture_file *cf);
222 * At least one "Refence Time" flag has changed, rescan all packets.
224 * @param cf the capture file
226 void cf_colorize_packets(capture_file *cf);
229 * "Something" has changed, rescan all packets.
231 * @param cf the capture file
233 void cf_redissect_packets(capture_file *cf);
236 * Rescan all packets and just run taps - don't reconstruct the display.
238 * @param cf the capture file
239 * @return one of cf_read_status_t
241 cf_read_status_t cf_retap_packets(capture_file *cf);
244 * The time format has changed, rescan all packets.
246 * @param cf the capture file
248 void cf_change_time_formats(capture_file *cf);
251 * Print the capture file.
253 * @param cf the capture file
254 * @param print_args the arguments what and how to print
255 * @return one of cf_print_status_t
257 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
260 * Print (export) the capture file into PDML format.
262 * @param cf the capture file
263 * @param print_args the arguments what and how to export
264 * @return one of cf_print_status_t
266 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
269 * Print (export) the capture file into PSML format.
271 * @param cf the capture file
272 * @param print_args the arguments what and how to export
273 * @return one of cf_print_status_t
275 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
278 * Find Packet in protocol tree.
280 * @param cf the capture file
281 * @param string the string to find
282 * @return TRUE if a packet was found, FALSE otherwise
284 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
287 * Find Packet in summary line.
289 * @param cf the capture file
290 * @param string the string to find
291 * @return TRUE if a packet was found, FALSE otherwise
293 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
296 * Find Packet in packet data.
298 * @param cf the capture file
299 * @param string the string to find
300 * @param string_size the size of the string to find
301 * @return TRUE if a packet was found, FALSE otherwise
303 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
307 * Find Packet by display filter.
309 * @param cf the capture file
310 * @param sfcode the display filter to find a packet for
311 * @return TRUE if a packet was found, FALSE otherwise
313 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
316 * GoTo Packet in first row.
318 * @param cf the capture file
319 * @return TRUE if the first row exists, FALSE otherwise
321 gboolean cf_goto_top_frame(capture_file *cf);
324 * GoTo Packet in last row.
326 * @param cf the capture file
327 * @return TRUE if last row exists, FALSE otherwise
329 gboolean cf_goto_bottom_frame(capture_file *cf);
332 * GoTo Packet with the given row.
334 * @param cf the capture file
335 * @param row the row to go to
336 * @return TRUE if this row exists, FALSE otherwise
338 gboolean cf_goto_frame(capture_file *cf, guint row);
341 * Go to frame specified by currently selected protocol tree field.
342 * (Go To Corresponding Packet)
343 * @todo this is ugly and should be improved!
345 * @param cf the capture file
346 * @return TRUE if this packet exists, FALSE otherwise
348 gboolean cf_goto_framenum(capture_file *cf);
351 * Select the packet in the given row.
353 * @param cf the capture file
354 * @param row the row to select
356 void cf_select_packet(capture_file *cf, int row);
359 * Unselect all packets, if any.
361 * @param cf the capture file
362 * @param row the row to select
364 void cf_unselect_packet(capture_file *cf);
367 * Unselect all protocol tree fields, if any.
369 * @param cf the capture file
370 * @param row the row to select
372 void cf_unselect_field(capture_file *cf);
375 * Mark a particular frame in a particular capture.
377 * @param cf the capture file
378 * @param frame the frame to be marked
380 void cf_mark_frame(capture_file *cf, frame_data *frame);
383 * Unmark a particular frame in a particular capture.
385 * @param cf the capture file
386 * @param frame the frame to be unmarked
388 void cf_unmark_frame(capture_file *cf, frame_data *frame);
391 * Convert error number and info to a complete message.
393 * @param err the error number
394 * @param err_info the additional info about this error (e.g. filename)
395 * @return statically allocated error message
397 char *cf_read_error_message(int err, const gchar *err_info);
400 * Merge two (or more) capture files into one.
401 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
403 * @param out_filename output filename
404 * @param out_fd output file descriptor
405 * @param in_file_count the number of input files to merge
406 * @param in_filnames array of input filenames
407 * @param file_type the output filetype
408 * @param do_append FALSE to merge chronologically, TRUE simply append
409 * @return one of cf_status_t
412 cf_merge_files(const char *out_filename, int out_fd, int in_file_count,
413 char *const *in_filenames, int file_type, gboolean do_append);