2 * Routines for handling file sets
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
41 #ifdef HAVE_SYS_STAT_H
42 # include <sys/stat.h>
45 #ifdef HAVE_SYS_WAIT_H
46 # include <sys/wait.h>
55 #include <wsutil/file_util.h>
58 #include <epan/filesystem.h>
64 typedef struct _fileset {
69 /* this is the fileset's global data */
70 static fileset set = { NULL, NULL};
73 /* is this a probable file of a file set (does the naming pattern match)? */
75 fileset_filename_match_pattern(const char *fname)
79 size_t minlen = strlen("_00001_20050418010750");
83 /* d:\dir1\test_00001_20050418010750.cap */
84 filename = g_strdup(get_basename(fname));
86 /* test_00001_20050418010750.cap */
87 pfx = strrchr(filename, '.');
88 if(pfx == NULL) { /* suffix is optional */
89 pfx = filename + strlen(filename);
91 /* test_00001_20050418010750 */
94 /* filename long enough? */
95 baselen = strlen(filename);
96 if(baselen < minlen) {
101 /* there must be two underscores at special places */
102 if(filename[baselen-minlen] != '_' || filename[baselen-minlen+6] != '_') {
107 /* replace the two underscores by digits */
108 filename[baselen-minlen] = '0';
109 filename[baselen-minlen+6] = '0';
111 /* we should have only digits now */
115 if(!isdigit( (guchar) filename[baselen])) {
123 /* ok, seems to be good */
128 /* test, if both files could be in the same file set */
129 /* (the filenames must already be in correct shape) */
131 fileset_is_file_in_set(const char *fname1, const char *fname2)
137 size_t minlen = strlen("_00001_20050418010750");
140 /* just to be sure ... */
141 g_assert(fileset_filename_match_pattern(fname1));
142 g_assert(fileset_filename_match_pattern(fname2));
144 dup_f1 = g_strdup(fname1);
145 dup_f2 = g_strdup(fname2);
147 pfx1 = strrchr(dup_f1, '.');
148 pfx2 = strrchr(dup_f2, '.');
149 /* suffix is optional */
150 if (!pfx1) pfx1 = dup_f1 + strlen(dup_f1);
151 if (!pfx2) pfx2 = dup_f2 + strlen(dup_f2);
153 /* the optional suffix (file extension) must be equal */
154 if(strcmp(pfx1, pfx2) != 0) {
160 *(pfx1-minlen) = '\0';
161 *(pfx2-minlen) = '\0';
163 if(strcmp(dup_f1, dup_f2) != 0) {
174 /* GCompareFunc helper for g_list_find_custom() */
176 fileset_find_by_path(gconstpointer a, gconstpointer b)
178 const fileset_entry *entry;
181 entry = (const fileset_entry *) a;
182 path = (const char *) b;
184 return g_strcmp0(entry->fullname, path);
187 /* update the time and size of this file in the list */
189 fileset_update_file(const char *path)
193 fileset_entry *entry = NULL;
196 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
200 result = ws_fstat64( fh, &buf );
202 /* Show statistics if they are valid */
204 entry_list = g_list_find_custom(set.entries, path,
205 fileset_find_by_path);
208 entry = (fileset_entry *) entry_list->data;
209 entry->ctime = buf.st_ctime;
210 entry->mtime = buf.st_mtime;
211 entry->size = buf.st_size;
219 /* we know this file is part of the set, so add it */
220 static fileset_entry *
221 fileset_add_file(const char *dirname, const char *fname, gboolean current)
226 fileset_entry *entry = NULL;
229 path = g_strdup_printf("%s%s", dirname, fname);
231 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
235 result = ws_fstat64( fh, &buf );
237 /* Show statistics if they are valid */
239 entry = (fileset_entry *)g_malloc(sizeof(fileset_entry));
241 entry->fullname = g_strdup(path);
242 entry->name = g_strdup(fname);
243 entry->ctime = buf.st_ctime;
244 entry->mtime = buf.st_mtime;
245 entry->size = buf.st_size;
246 entry->current = current;
248 set.entries = g_list_append(set.entries, entry);
260 /* compare two list entries by creation date/time (through filename) */
262 fileset_sort_compare(gconstpointer a, gconstpointer b)
264 const fileset_entry *entry_a = (const fileset_entry *)a;
265 const fileset_entry *entry_b = (const fileset_entry *)b;
267 return strcmp(entry_a->name, entry_b->name);
271 /* add all file set entries to the dialog */
272 void fileset_update_dlg(void)
277 /* add all entires to the dialog */
278 le = g_list_first(set.entries);
280 fileset_dlg_add_file((fileset_entry *)le->data);
281 le = g_list_next(le);
286 /* walk through the directory of the loaded file and add every file matching the current file */
288 fileset_add_dir(const char *fname)
290 WS_DIR *dir; /* scanned directory */
291 WS_DIRENT *file; /* current file */
297 /* get (convert) directory name, but don't touch the given string */
298 fname_dup = get_dirname(g_strdup(fname));
299 dirname = g_string_new(fname_dup);
302 set.dirname = g_strdup(dirname->str);
304 dirname = g_string_append_c(dirname, G_DIR_SEPARATOR);
306 /* is the current file probably a part of any fileset? */
307 if(fileset_filename_match_pattern(fname)) {
308 /* yes, go through the files in the directory and check if the file in question is part of the current file set */
309 if ((dir = ws_dir_open(dirname->str, 0, NULL)) != NULL) {
310 while ((file = ws_dir_read_name(dir)) != NULL) {
311 name = ws_dir_get_name(file);
312 if(fileset_filename_match_pattern(name) && fileset_is_file_in_set(name, get_basename(fname))) {
313 fileset_add_file(dirname->str, name, strcmp(name, get_basename(fname))== 0 /* current */);
320 /* no, this is a "standalone file", just add this one */
321 fileset_add_file(dirname->str, get_basename(fname), TRUE /* current */);
322 /* don't add the file to the dialog here, this will be done in fileset_update_dlg() below */
325 g_string_free(dirname, TRUE /* free_segment */);
327 /* sort entries by creation time */
328 set.entries = g_list_sort(set.entries, fileset_sort_compare);
330 fileset_update_dlg();
334 /* get current directory name */
336 fileset_get_dirname(void)
342 /* get the current list entry, or NULL */
344 fileset_get_current(void)
347 fileset_entry *entry;
350 /* add all entires to the dialog */
351 le = g_list_first(set.entries);
353 entry = (fileset_entry *)le->data;
357 le = g_list_next(le);
364 /* get the file set entry after the current one, or NULL */
366 fileset_get_next(void)
371 le = fileset_get_current();
376 le = g_list_next(le);
381 return (fileset_entry *)le->data;
385 /* get the file set entry before the current one, or NULL */
387 fileset_get_previous(void)
392 le = fileset_get_current();
397 le = g_list_previous(le);
402 return (fileset_entry *)le->data;
406 /* delete a single entry */
407 static void fileset_entry_delete(gpointer data, gpointer user_data _U_)
409 fileset_entry *entry = (fileset_entry *)data;
411 g_free( (gpointer) entry->fullname);
412 entry->fullname = NULL;
413 g_free( (gpointer) entry->name);
419 /* delete the whole file set */
420 void fileset_delete(void)
422 /* free the entry list */
424 g_list_foreach(set.entries, fileset_entry_delete, NULL);
425 g_list_free(set.entries);
431 g_free( (gpointer) set.dirname);