2 * Routines for handling file sets
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 1998 Gerald Combs
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
37 #ifdef HAVE_SYS_STAT_H
38 # include <sys/stat.h>
41 #ifdef HAVE_SYS_WAIT_H
42 # include <sys/wait.h>
50 #include <wsutil/file_util.h>
51 #include <wsutil/filesystem.h>
54 #include <epan/strutil.h>
60 typedef struct _fileset {
65 /* this is the fileset's global data */
66 static fileset set = { NULL, NULL};
69 /* is this a probable file of a file set (does the naming pattern match)? */
71 fileset_filename_match_pattern(const char *fname)
75 size_t minlen = strlen("_00001_20050418010750");
79 /* d:\dir1\test_00001_20050418010750.cap */
80 filename = g_strdup(get_basename(fname));
82 /* test_00001_20050418010750.cap */
83 pfx = strrchr(filename, '.');
84 if(pfx == NULL) { /* suffix is optional */
85 pfx = filename + strlen(filename);
87 /* test_00001_20050418010750 */
90 /* filename long enough? */
91 baselen = strlen(filename);
92 if(baselen < minlen) {
97 /* there must be two underscores at special places */
98 if(filename[baselen-minlen] != '_' || filename[baselen-minlen+6] != '_') {
103 /* replace the two underscores by digits */
104 filename[baselen-minlen] = '0';
105 filename[baselen-minlen+6] = '0';
107 /* we should have only digits now */
111 if(!g_ascii_isdigit( filename[baselen])) {
119 /* ok, seems to be good */
124 /* test, if both files could be in the same file set */
125 /* (the filenames must already be in correct shape) */
127 fileset_is_file_in_set(const char *fname1, const char *fname2)
133 size_t minlen = strlen("_00001_20050418010750");
136 /* just to be sure ... */
137 g_assert(fileset_filename_match_pattern(fname1));
138 g_assert(fileset_filename_match_pattern(fname2));
140 dup_f1 = g_strdup(fname1);
141 dup_f2 = g_strdup(fname2);
143 pfx1 = strrchr(dup_f1, '.');
144 pfx2 = strrchr(dup_f2, '.');
145 /* suffix is optional */
146 if (!pfx1) pfx1 = dup_f1 + strlen(dup_f1);
147 if (!pfx2) pfx2 = dup_f2 + strlen(dup_f2);
149 /* the optional suffix (file extension) must be equal */
150 if(strcmp(pfx1, pfx2) != 0) {
156 *(pfx1-minlen) = '\0';
157 *(pfx2-minlen) = '\0';
159 if(strcmp(dup_f1, dup_f2) != 0) {
170 /* GCompareFunc helper for g_list_find_custom() */
172 fileset_find_by_path(gconstpointer a, gconstpointer b)
174 const fileset_entry *entry;
177 entry = (const fileset_entry *) a;
178 path = (const char *) b;
180 return g_strcmp0(entry->fullname, path);
183 /* update the time and size of this file in the list */
185 fileset_update_file(const char *path)
189 fileset_entry *entry = NULL;
192 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
196 result = ws_fstat64( fh, &buf );
198 /* Show statistics if they are valid */
200 entry_list = g_list_find_custom(set.entries, path,
201 fileset_find_by_path);
204 entry = (fileset_entry *) entry_list->data;
205 entry->ctime = buf.st_ctime;
206 entry->mtime = buf.st_mtime;
207 entry->size = buf.st_size;
215 /* we know this file is part of the set, so add it */
216 static fileset_entry *
217 fileset_add_file(const char *dirname, const char *fname, gboolean current)
222 fileset_entry *entry = NULL;
225 path = g_strdup_printf("%s%s", dirname, fname);
227 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
231 result = ws_fstat64( fh, &buf );
233 /* Show statistics if they are valid */
235 entry = (fileset_entry *)g_malloc(sizeof(fileset_entry));
237 entry->fullname = g_strdup(path);
238 entry->name = g_strdup(fname);
239 entry->ctime = buf.st_ctime;
240 entry->mtime = buf.st_mtime;
241 entry->size = buf.st_size;
242 entry->current = current;
244 set.entries = g_list_append(set.entries, entry);
256 /* compare two list entries by creation date/time (through filename) */
258 fileset_sort_compare(gconstpointer a, gconstpointer b)
260 const fileset_entry *entry_a = (const fileset_entry *)a;
261 const fileset_entry *entry_b = (const fileset_entry *)b;
263 return strcmp(entry_a->name, entry_b->name);
267 /* add all file set entries to the dialog */
268 void fileset_update_dlg(void *window)
273 /* add all entires to the dialog */
274 le = g_list_first(set.entries);
276 fileset_dlg_add_file((fileset_entry *)le->data, window);
277 le = g_list_next(le);
282 /* walk through the directory of the loaded file and add every file matching the current file */
284 fileset_add_dir(const char *fname, void *window)
286 WS_DIR *dir; /* scanned directory */
287 WS_DIRENT *file; /* current file */
293 /* get (convert) directory name, but don't touch the given string */
294 fname_dup = get_dirname(g_strdup(fname));
295 dirname = g_string_new(fname_dup);
298 set.dirname = g_strdup(dirname->str);
300 dirname = g_string_append_c(dirname, G_DIR_SEPARATOR);
302 /* is the current file probably a part of any fileset? */
303 if(fileset_filename_match_pattern(fname)) {
304 /* yes, go through the files in the directory and check if the file in question is part of the current file set */
305 if ((dir = ws_dir_open(dirname->str, 0, NULL)) != NULL) {
306 while ((file = ws_dir_read_name(dir)) != NULL) {
307 name = ws_dir_get_name(file);
308 if(fileset_filename_match_pattern(name) && fileset_is_file_in_set(name, get_basename(fname))) {
309 fileset_add_file(dirname->str, name, strcmp(name, get_basename(fname))== 0 /* current */);
316 /* no, this is a "standalone file", just add this one */
317 fileset_add_file(dirname->str, get_basename(fname), TRUE /* current */);
318 /* don't add the file to the dialog here, this will be done in fileset_update_dlg() below */
321 g_string_free(dirname, TRUE /* free_segment */);
323 /* sort entries by creation time */
324 set.entries = g_list_sort(set.entries, fileset_sort_compare);
326 fileset_update_dlg(window);
330 /* get current directory name */
332 fileset_get_dirname(void)
338 /* get the current list entry, or NULL */
340 fileset_get_current(void)
343 fileset_entry *entry;
346 /* add all entires to the dialog */
347 le = g_list_first(set.entries);
349 entry = (fileset_entry *)le->data;
353 le = g_list_next(le);
360 /* get the file set entry after the current one, or NULL */
362 fileset_get_next(void)
367 le = fileset_get_current();
372 le = g_list_next(le);
377 return (fileset_entry *)le->data;
381 /* get the file set entry before the current one, or NULL */
383 fileset_get_previous(void)
388 le = fileset_get_current();
393 le = g_list_previous(le);
398 return (fileset_entry *)le->data;
402 /* delete a single entry */
403 static void fileset_entry_delete(gpointer data, gpointer user_data _U_)
405 fileset_entry *entry = (fileset_entry *)data;
407 g_free( (gpointer) entry->fullname);
408 entry->fullname = NULL;
409 g_free( (gpointer) entry->name);
415 /* delete the whole file set */
416 void fileset_delete(void)
418 /* free the entry list */
420 g_list_foreach(set.entries, fileset_entry_delete, NULL);
421 g_list_free(set.entries);
427 g_free( (gpointer) set.dirname);
433 * Editor modelines - http://www.wireshark.org/tools/modelines.html
438 * indent-tabs-mode: nil
441 * vi: set shiftwidth=4 tabstop=8 expandtab:
442 * :indentSize=4:tabSize=8:noTabs=true: