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_started,
64 cf_cb_live_capture_finished,
66 cf_cb_packet_selected,
67 cf_cb_packet_unselected,
68 cf_cb_field_unselected,
69 cf_cb_file_safe_started,
70 cf_cb_file_safe_finished,
71 cf_cb_file_safe_reload_finished,
72 cf_cb_file_safe_failed
75 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
78 cf_callback_invoke(int event, gpointer data);
81 cf_callback_add(cf_callback_t func, gpointer user_data);
84 cf_callback_remove(cf_callback_t func);
87 * Open a capture file.
89 * @param cf the capture file to be opened
90 * @param fname the filename to be opened
91 * @param is_tempfile is this a temporary file?
92 * @return one of cf_status_t
94 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
97 * Close a capture file.
99 * @param cf the capture file to be closed
101 void cf_close(capture_file *cf);
104 * Reload a capture file.
106 * @param cf the capture file to be reloaded
108 void cf_reload(capture_file *cf);
111 * Read all packets of a capture file into the internal structures.
113 * @param cf the capture file to be read
114 * @return one of cf_read_status_t
116 cf_read_status_t cf_read(capture_file *cf);
119 * Start reading from the end of a capture file.
120 * This is used in "Update list of packets in Real-Time".
122 * @param cf the capture file to be read from
123 * @param fname the filename to be read from
124 * @param is_tempfile is this a temporary file?
125 * @param err the error code, if an error had occured
126 * @return one of cf_status_t
128 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
131 * Read packets from the "end" of a capture file.
133 * @param cf the capture file to be read from
134 * @param to_read the number of packets to read
135 * @param err the error code, if an error had occured
136 * @return one of cf_read_status_t
138 cf_read_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
141 * Finish reading from "end" of a capture file.
143 * @param cf the capture file to be read from
144 * @param err the error code, if an error had occured
145 * @return one of cf_read_status_t
147 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
150 * Save a capture file (or a range of it).
152 * @param cf the capture file to save to
153 * @param fname the filename to save to
154 * @param range the range of packets to save
155 * @param save_format the format of the file to save (libpcap, ...)
156 * @return one of cf_status_t
158 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format);
161 * Get a displayable name of the capture file.
163 * @param cf the capture file
164 * @return the displayable name (don't have to be g_free'd)
166 const gchar *cf_get_display_name(capture_file *cf);
169 * Get the number of packets in the capture file.
171 * @param cf the capture file
172 * @return the number of packets in the capture file
174 int cf_packet_count(capture_file *cf);
177 * Is this capture file a temporary file?
179 * @param cf the capture file
180 * @return TRUE if it's a temporary file, FALSE otherwise
182 gboolean cf_is_tempfile(capture_file *cf);
185 * Set flag, if the number of packet drops while capturing are known or not.
187 * @param cf the capture file
188 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
190 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
193 * Set the number of packet drops while capturing.
195 * @param cf the capture file
196 * @param drops the number of packet drops occured while capturing
198 void cf_set_drops(capture_file *cf, guint32 drops);
201 * Set the read filter.
202 * @todo this shouldn't be required, remove it somehow
204 * @param cf the capture file
205 * @param rfcode the readfilter
207 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
210 * "Display Filter" packets in the capture file.
212 * @param cf the capture file
213 * @param dfilter the display filter
214 * @param force TRUE if do in any case, FALSE only if dfilter changed
215 * @return one of cf_status_t
217 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
220 * At least one "Refence Time" flag has changed, rescan all packets.
222 * @param cf the capture file
224 void cf_reftime_packets(capture_file *cf);
227 * At least one "Refence Time" flag has changed, rescan all packets.
229 * @param cf the capture file
231 void cf_colorize_packets(capture_file *cf);
234 * "Something" has changed, rescan all packets.
236 * @param cf the capture file
238 void cf_redissect_packets(capture_file *cf);
241 * Rescan all packets and just run taps - don't reconstruct the display.
243 * @param cf the capture file
244 * @return one of cf_read_status_t
246 cf_read_status_t cf_retap_packets(capture_file *cf);
249 * The time format has changed, rescan all packets.
251 * @param cf the capture file
253 void cf_change_time_formats(capture_file *cf);
256 * Print the capture file.
258 * @param cf the capture file
259 * @param print_args the arguments what and how to print
260 * @return one of cf_print_status_t
262 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
265 * Print (export) the capture file into PDML format.
267 * @param cf the capture file
268 * @param print_args the arguments what and how to export
269 * @return one of cf_print_status_t
271 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
274 * Print (export) the capture file into PSML format.
276 * @param cf the capture file
277 * @param print_args the arguments what and how to export
278 * @return one of cf_print_status_t
280 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
283 * Find Packet in protocol tree.
285 * @param cf the capture file
286 * @param string the string to find
287 * @return TRUE if a packet was found, FALSE otherwise
289 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
292 * Find Packet in summary line.
294 * @param cf the capture file
295 * @param string the string to find
296 * @return TRUE if a packet was found, FALSE otherwise
298 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
301 * Find Packet in packet data.
303 * @param cf the capture file
304 * @param string the string to find
305 * @param string_size the size of the string to find
306 * @return TRUE if a packet was found, FALSE otherwise
308 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
312 * Find Packet by display filter.
314 * @param cf the capture file
315 * @param sfcode the display filter to find a packet for
316 * @return TRUE if a packet was found, FALSE otherwise
318 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
321 * GoTo Packet in first row.
323 * @param cf the capture file
324 * @return TRUE if the first row exists, FALSE otherwise
326 gboolean cf_goto_top_frame(capture_file *cf);
329 * GoTo Packet in last row.
331 * @param cf the capture file
332 * @return TRUE if last row exists, FALSE otherwise
334 gboolean cf_goto_bottom_frame(capture_file *cf);
337 * GoTo Packet with the given row.
339 * @param cf the capture file
340 * @param row the row to go to
341 * @return TRUE if this row exists, FALSE otherwise
343 gboolean cf_goto_frame(capture_file *cf, guint row);
346 * Go to frame specified by currently selected protocol tree field.
347 * (Go To Corresponding Packet)
348 * @todo this is ugly and should be improved!
350 * @param cf the capture file
351 * @return TRUE if this packet exists, FALSE otherwise
353 gboolean cf_goto_framenum(capture_file *cf);
356 * Select the packet in the given row.
358 * @param cf the capture file
359 * @param row the row to select
361 void cf_select_packet(capture_file *cf, int row);
364 * Unselect all packets, if any.
366 * @param cf the capture file
367 * @param row the row to select
369 void cf_unselect_packet(capture_file *cf);
372 * Unselect all protocol tree fields, if any.
374 * @param cf the capture file
375 * @param row the row to select
377 void cf_unselect_field(capture_file *cf);
380 * Mark a particular frame in a particular capture.
382 * @param cf the capture file
383 * @param frame the frame to be marked
385 void cf_mark_frame(capture_file *cf, frame_data *frame);
388 * Unmark a particular frame in a particular capture.
390 * @param cf the capture file
391 * @param frame the frame to be unmarked
393 void cf_unmark_frame(capture_file *cf, frame_data *frame);
396 * Convert error number and info to a complete message.
398 * @param err the error number
399 * @param err_info the additional info about this error (e.g. filename)
400 * @return statically allocated error message
402 char *cf_read_error_message(int err, const gchar *err_info);
405 * Merge two (or more) capture files into one.
406 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
408 * @param out_filename output filename
409 * @param out_fd output file descriptor
410 * @param in_file_count the number of input files to merge
411 * @param in_filnames array of input filenames
412 * @param file_type the output filetype
413 * @param do_append FALSE to merge chronologically, TRUE simply append
414 * @return one of cf_status_t
417 cf_merge_files(const char *out_filename, int out_fd, int in_file_count,
418 char *const *in_filenames, int file_type, gboolean do_append);