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_invoke(int event, gpointer data);
79 cf_callback_add(cf_callback_t func, gpointer user_data);
82 cf_callback_remove(cf_callback_t func);
85 * Open a capture file.
87 * @param cf the capture file to be opened
88 * @param fname the filename to be opened
89 * @param is_tempfile is this a temporary file?
90 * @return one of cf_status_t
92 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
95 * Close a capture file.
97 * @param cf the capture file to be closed
99 void cf_close(capture_file *cf);
102 * Reload a capture file.
104 * @param cf the capture file to be reloaded
106 void cf_reload(capture_file *cf);
109 * Read all packets of a capture file into the internal structures.
111 * @param cf the capture file to be read
112 * @return one of cf_read_status_t
114 cf_read_status_t cf_read(capture_file *cf);
117 * Start reading from the end of a capture file.
118 * This is used in "Update list of packets in Real-Time".
120 * @param cf the capture file to be read from
121 * @param fname the filename to be read from
122 * @param is_tempfile is this a temporary file?
123 * @param err the error code, if an error had occured
124 * @return one of cf_status_t
126 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
129 * Read packets from the "end" of a capture file.
131 * @param cf the capture file to be read from
132 * @param to_read the number of packets to read
133 * @param err the error code, if an error had occured
134 * @return one of cf_read_status_t
136 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
139 * Finish reading from "end" of a capture file.
141 * @param cf the capture file to be read from
142 * @param err the error code, if an error had occured
143 * @return one of cf_read_status_t
145 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
148 * Save a capture file (or a range of it).
150 * @param cf the capture file to save to
151 * @param fname the filename to save to
152 * @param range the range of packets to save
153 * @param save_format the format of the file to save (libpcap, ...)
154 * @return one of cf_status_t
156 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format);
159 * Get a displayable name of the capture file.
161 * @param cf the capture file
162 * @return the displayable name (don't have to be g_free'd)
164 const gchar *cf_get_display_name(capture_file *cf);
167 * Get the number of packets in the capture file.
169 * @param cf the capture file
170 * @return the number of packets in the capture file
172 int cf_packet_count(capture_file *cf);
175 * Is this capture file a temporary file?
177 * @param cf the capture file
178 * @return TRUE if it's a temporary file, FALSE otherwise
180 gboolean cf_is_tempfile(capture_file *cf);
183 * Set flag, if the number of packet drops while capturing are known or not.
185 * @param cf the capture file
186 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
188 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
191 * Set the number of packet drops while capturing.
193 * @param cf the capture file
194 * @param drops the number of packet drops occured while capturing
196 void cf_set_drops(capture_file *cf, guint32 drops);
199 * Set the read filter.
200 * @todo this shouldn't be required, remove it somehow
202 * @param cf the capture file
203 * @param rfcode the readfilter
205 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
208 * "Display Filter" packets in the capture file.
210 * @param cf the capture file
211 * @param dfilter the display filter
212 * @param force TRUE if do in any case, FALSE only if dfilter changed
213 * @return one of cf_status_t
215 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
218 * At least one "Refence Time" flag has changed, rescan all packets.
220 * @param cf the capture file
222 void cf_reftime_packets(capture_file *cf);
225 * At least one "Refence Time" flag has changed, rescan all packets.
227 * @param cf the capture file
229 void cf_colorize_packets(capture_file *cf);
232 * "Something" has changed, rescan all packets.
234 * @param cf the capture file
236 void cf_redissect_packets(capture_file *cf);
239 * Rescan all packets and just run taps - don't reconstruct the display.
241 * @param cf the capture file
242 * @return one of cf_read_status_t
244 cf_read_status_t cf_retap_packets(capture_file *cf);
247 * The time format has changed, rescan all packets.
249 * @param cf the capture file
251 void cf_change_time_formats(capture_file *cf);
254 * Print the capture file.
256 * @param cf the capture file
257 * @param print_args the arguments what and how to print
258 * @return one of cf_print_status_t
260 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
263 * Print (export) the capture file into PDML format.
265 * @param cf the capture file
266 * @param print_args the arguments what and how to export
267 * @return one of cf_print_status_t
269 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
272 * Print (export) the capture file into PSML format.
274 * @param cf the capture file
275 * @param print_args the arguments what and how to export
276 * @return one of cf_print_status_t
278 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
281 * Find Packet in protocol tree.
283 * @param cf the capture file
284 * @param string the string to find
285 * @return TRUE if a packet was found, FALSE otherwise
287 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
290 * Find Packet in summary line.
292 * @param cf the capture file
293 * @param string the string to find
294 * @return TRUE if a packet was found, FALSE otherwise
296 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
299 * Find Packet in packet data.
301 * @param cf the capture file
302 * @param string the string to find
303 * @param string_size the size of the string to find
304 * @return TRUE if a packet was found, FALSE otherwise
306 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
310 * Find Packet by display filter.
312 * @param cf the capture file
313 * @param sfcode the display filter to find a packet for
314 * @return TRUE if a packet was found, FALSE otherwise
316 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
319 * GoTo Packet in first row.
321 * @param cf the capture file
322 * @return TRUE if the first row exists, FALSE otherwise
324 gboolean cf_goto_top_frame(capture_file *cf);
327 * GoTo Packet in last row.
329 * @param cf the capture file
330 * @return TRUE if last row exists, FALSE otherwise
332 gboolean cf_goto_bottom_frame(capture_file *cf);
335 * GoTo Packet with the given row.
337 * @param cf the capture file
338 * @param row the row to go to
339 * @return TRUE if this row exists, FALSE otherwise
341 gboolean cf_goto_frame(capture_file *cf, guint row);
344 * Go to frame specified by currently selected protocol tree field.
345 * (Go To Corresponding Packet)
346 * @todo this is ugly and should be improved!
348 * @param cf the capture file
349 * @return TRUE if this packet exists, FALSE otherwise
351 gboolean cf_goto_framenum(capture_file *cf);
354 * Select the packet in the given row.
356 * @param cf the capture file
357 * @param row the row to select
359 void cf_select_packet(capture_file *cf, int row);
362 * Unselect all packets, if any.
364 * @param cf the capture file
365 * @param row the row to select
367 void cf_unselect_packet(capture_file *cf);
370 * Unselect all protocol tree fields, if any.
372 * @param cf the capture file
373 * @param row the row to select
375 void cf_unselect_field(capture_file *cf);
378 * Mark a particular frame in a particular capture.
380 * @param cf the capture file
381 * @param frame the frame to be marked
383 void cf_mark_frame(capture_file *cf, frame_data *frame);
386 * Unmark a particular frame in a particular capture.
388 * @param cf the capture file
389 * @param frame the frame to be unmarked
391 void cf_unmark_frame(capture_file *cf, frame_data *frame);
394 * Convert error number and info to a complete message.
396 * @param err the error number
397 * @param err_info the additional info about this error (e.g. filename)
398 * @return statically allocated error message
400 char *cf_read_error_message(int err, const gchar *err_info);
403 * Merge two (or more) capture files into one.
404 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
406 * @param out_filename output filename
407 * @param out_fd output file descriptor
408 * @param in_file_count the number of input files to merge
409 * @param in_filnames array of input filenames
410 * @param file_type the output filetype
411 * @param do_append FALSE to merge chronologically, TRUE simply append
412 * @return one of cf_status_t
415 cf_merge_files(const char *out_filename, int out_fd, int in_file_count,
416 char *const *in_filenames, int file_type, gboolean do_append);