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>
37 /** Return values from various cf_xxx functions. */
39 CF_OK, /**< operation succeeded */
40 CF_ERROR, /**< operation got an error (function may provide err with details) */
41 CF_ABORTED, /**< operation aborted by user */
42 CF_PRINT_OPEN_ERROR, /**< print operation failed while opening printer */
43 CF_PRINT_WRITE_ERROR /**< print operation failed while writing to the printer */
47 * Open a capture file.
49 * @param cf the capture file to be opened
50 * @param fname the filename to be opened
51 * @param is_tempfile is this a temporary file?
52 * @return one of cf_status_t
54 cf_status_t cf_open(capture_file *cf, char *fname, gboolean is_tempfile, int *err);
57 * Close a capture file.
59 * @param cf the capture file to be closed
61 void cf_close(capture_file *cf);
64 * Reload a capture file.
66 * @param cf the capture file to be reloaded
68 void cf_reload(capture_file *cf);
71 * Read all packets of a capture file into the internal structures.
73 * @param cf the capture file to be read
74 * @return one of cf_status_t
76 cf_status_t cf_read(capture_file *cf);
79 * Start reading from the end of a capture file.
80 * This is used in "Update list of packets in Real-Time".
82 * @param cf the capture file to be read from
83 * @param fname the filename to be read from
84 * @param is_tempfile is this a temporary file?
85 * @param err the error code, if an error had occured
86 * @return one of cf_status_t
88 cf_status_t cf_start_tail(capture_file *cf, char *fname, gboolean is_tempfile, int *err);
91 * Read packets from the "end" of a capture file.
93 * @param cf the capture file to be read from
94 * @param to_read the number of packets to read
95 * @param err the error code, if an error had occured
96 * @return one of cf_status_t
98 cf_status_t cf_continue_tail(capture_file *cf, int to_read, int *err);
101 * Finish reading from "end" of a capture file.
103 * @param cf the capture file to be read from
104 * @param err the error code, if an error had occured
105 * @return one of cf_status_t
107 cf_status_t cf_finish_tail(capture_file *cf, int *err);
110 * Save a capture file (or a range of it).
112 * @param cf the capture file to save to
113 * @param fname the filename to save to
114 * @param range the range of packets to save
115 * @param save_format the format of the file to save (libpcap, ...)
116 * @return one of cf_status_t
118 cf_status_t cf_save(capture_file * cf, char *fname, packet_range_t *range, guint save_format);
121 * Get a displayable name of the capture file.
123 * @param cf the capture file
124 * @return the displayable name (don't have to be g_free'd)
126 const gchar *cf_get_display_name(capture_file *cf);
129 * Get the number of packets in the capture file.
131 * @param cf the capture file
132 * @return the number of packets in the capture file
134 int cf_packet_count(capture_file *cf);
137 * Is this capture file a temporary file?
139 * @param cf the capture file
140 * @return TRUE if it's a temporary file, FALSE otherwise
142 gboolean cf_is_tempfile(capture_file *cf);
145 * Get the interface name to capture from.
147 * @param cf the capture file
148 * @return the interface name (don't have to be g_free'd)
150 gchar *cf_get_iface(capture_file *cf);
153 * Get the capture filter of this capture file.
155 * @param cf the capture file
156 * @return the capture filter (don't have to be g_free'd)
158 gchar *cf_get_cfilter(capture_file *cf);
161 * Set flag, if the number of packet drops while capturing are known or not.
163 * @param cf the capture file
164 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
166 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
169 * Set the number of packet drops while capturing.
171 * @param cf the capture file
172 * @param drops the number of packet drops occured while capturing
174 void cf_set_drops(capture_file *cf, guint32 drops);
177 * Set the read filter.
178 * @todo this shouldn't be required, remove it somehow
180 * @param cf the capture file
181 * @param rfcode the readfilter
183 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
186 * "Display Filter" packets in the capture file.
188 * @param cf the capture file
189 * @param dfilter the display filter
190 * @param force TRUE if do in any case, FALSE only if dfilter changed
191 * @return one of cf_status_t
193 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
196 * At least one "Refence Time" flag has changed, rescan all packets.
198 * @param cf the capture file
200 void cf_reftime_packets(capture_file *cf);
203 * At least one "Refence Time" flag has changed, rescan all packets.
205 * @param cf the capture file
207 void cf_colorize_packets(capture_file *cf);
210 * "Something" has changed, rescan all packets.
212 * @param cf the capture file
214 void cf_redissect_packets(capture_file *cf);
217 * A tap listener want's to rescan all packets.
219 * @param cf the capture file
220 * @return one of cf_status_t
222 cf_status_t cf_retap_packets(capture_file *cf);
225 * The time format has changed, rescan all packets.
227 * @param cf the capture file
229 void cf_change_time_formats(capture_file *cf);
232 * Print the capture file.
234 * @param cf the capture file
235 * @param print_args the arguments what and how to print
236 * @return one of cf_status_t
238 cf_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
241 * Print (export) the capture file into PDML format.
243 * @param cf the capture file
244 * @param print_args the arguments what and how to export
245 * @return one of cf_status_t
247 cf_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
250 * Print (export) the capture file into PSML format.
252 * @param cf the capture file
253 * @param print_args the arguments what and how to export
254 * @return one of cf_status_t
256 cf_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
259 * Find Packet in protocol tree.
261 * @param cf the capture file
262 * @param string the string to find
263 * @return TRUE if a packet was found, FALSE otherwise
265 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
268 * Find Packet in summary line.
270 * @param cf the capture file
271 * @param string the string to find
272 * @return TRUE if a packet was found, FALSE otherwise
274 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
277 * Find Packet in packet data.
279 * @param cf the capture file
280 * @param string the string to find
281 * @param string_size the size of the string to find
282 * @return TRUE if a packet was found, FALSE otherwise
284 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
288 * Find Packet by display filter.
290 * @param cf the capture file
291 * @param sfcode the display filter to find a packet for
292 * @return TRUE if a packet was found, FALSE otherwise
294 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
297 * GoTo Packet in first row.
299 * @param cf the capture file
300 * @return TRUE if the first row exists, FALSE otherwise
302 gboolean cf_goto_top_frame(capture_file *cf);
305 * GoTo Packet in last row.
307 * @param cf the capture file
308 * @return TRUE if last row exists, FALSE otherwise
310 gboolean cf_goto_bottom_frame(capture_file *cf);
313 * GoTo Packet with the given row.
315 * @param cf the capture file
316 * @param row the row to go to
317 * @return TRUE if this row exists, FALSE otherwise
319 gboolean cf_goto_frame(capture_file *cf, guint row);
322 * Go to frame specified by currently selected protocol tree field.
323 * (Go To Corresponding Packet)
324 * @todo this is ugly and should be improved!
326 * @param cf the capture file
327 * @return TRUE if this packet exists, FALSE otherwise
329 gboolean cf_goto_framenum(capture_file *cf);
332 * Select the packet in the given row.
334 * @param cf the capture file
335 * @param row the row to select
337 void cf_select_packet(capture_file *cf, int row);
340 * Unselect all packets, if any.
342 * @param cf the capture file
343 * @param row the row to select
345 void cf_unselect_packet(capture_file *cf);
348 * Unselect all protocol tree fields, if any.
350 * @param cf the capture file
351 * @param row the row to select
353 void cf_unselect_field(capture_file *cf);
356 * Mark a particular frame in a particular capture.
358 * @param cf the capture file
359 * @param frame the frame to be marked
361 void cf_mark_frame(capture_file *cf, frame_data *frame);
364 * Unmark a particular frame in a particular capture.
366 * @param cf the capture file
367 * @param frame the frame to be unmarked
369 void cf_unmark_frame(capture_file *cf, frame_data *frame);
372 * Convert error number and info to a complete message.
374 * @param err the error number
375 * @param err_info the additional info about this error (e.g. filename)
376 * @return statically allocated error message
378 char *cf_read_error_message(int err, gchar *err_info);
381 * Merge two (or more) capture files into one.
382 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
384 * @param out_filename output filename
385 * @param out_fd output file descriptor
386 * @param in_file_count the number of input files to merge
387 * @param in_filnames array of input filenames
388 * @param file_type the output filetype
389 * @param do_append FALSE to merge chronologically, TRUE simply append
390 * @return TRUE if merging suceeded, FALSE otherwise
393 cf_merge_files(const char *out_filename, int out_fd, int in_file_count,
394 char *const *in_filenames, int file_type, gboolean do_append);