2 * Routines for handling file sets
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.
45 #ifdef HAVE_SYS_STAT_H
46 # include <sys/stat.h>
49 #ifdef HAVE_SYS_WAIT_H
50 # include <sys/wait.h>
60 #include <epan/filesystem.h>
66 typedef struct _fileset {
71 /* this is the fileset's global data */
72 fileset set = { NULL, NULL};
75 /* is this a probable file of a file set (does the naming pattern match)? */
77 fileset_filename_match_pattern(const char *fname)
81 int minlen = strlen("_00001_20050418010750");
85 /* d:\dir1\test_00001_20050418010750.cap */
86 filename = g_strdup(get_basename(fname));
88 /* test_00001_20050418010750.cap */
89 pfx = strrchr(filename, '.');
93 /* test_00001_20050418010750 */
96 /* filename long enough? */
97 baselen = strlen(filename);
98 if(baselen < minlen) {
103 /* there must be two underscores at special places */
104 if(filename[baselen-minlen] != '_' || filename[baselen-minlen+6] != '_') {
109 /* replace the two underscores by digits */
110 filename[baselen-minlen] = '0';
111 filename[baselen-minlen+6] = '0';
113 /* we should have only digits now */
117 if(!isdigit( (int) filename[baselen])) {
125 /* ok, seems to be good */
130 /* test, if both files could be in the same file set */
131 /* (the filenames must already be in correct shape) */
133 fileset_is_file_in_set(const char *fname1, const char *fname2)
139 int minlen = strlen("_00001_20050418010750");
142 /* just to be sure ... */
143 g_assert(fileset_filename_match_pattern(fname1));
144 g_assert(fileset_filename_match_pattern(fname2));
146 dup_f1 = g_strdup(fname1);
147 dup_f2 = g_strdup(fname2);
149 pfx1 = strrchr(dup_f1, '.');
150 pfx2 = strrchr(dup_f2, '.');
152 /* the optional suffix (file extension) must be equal */
153 if(strcmp(pfx1, pfx2) != 0) {
159 *(pfx1-minlen) = '\0';
160 *(pfx2-minlen) = '\0';
162 if(strcmp(dup_f1, dup_f2) != 0) {
174 /* we know this file is part of the set, so add it */
175 static fileset_entry *
176 fileset_add_file(const char *dirname, const char *fname, gboolean current)
181 fileset_entry *entry = NULL;
184 path = g_strdup_printf("%s%s", dirname, fname);
186 fh = open( path, O_RDONLY );
190 result = fstat( fh, &buf );
192 /* Show statistics if they are valid */
194 entry = g_malloc(sizeof(fileset_entry));
196 entry->fullname = g_strdup(path);
197 entry->name = g_strdup(fname);
198 entry->ctime = buf.st_ctime;
199 entry->mtime = buf.st_mtime;
200 entry->size = buf.st_size;
201 entry->current = current;
203 set.entries = g_list_append(set.entries, entry);
215 /* compare two list entries by creation date/time (through filename) */
217 fileset_sort_compare(gconstpointer a, gconstpointer b)
219 const fileset_entry *entry_a = a;
220 const fileset_entry *entry_b = b;
222 return strcmp(entry_a->name, entry_b->name);
226 /* add all file set entries to the dialog */
227 void fileset_update_dlg(void)
232 /* add all entires to the dialog */
233 le = g_list_first(set.entries);
235 fileset_dlg_add_file(le->data);
236 le = g_list_next(le);
241 /* walk through the directory of the loaded file and add every file matching the current file */
243 fileset_add_dir(const char *fname)
245 #if GLIB_MAJOR_VERSION < 2
246 DIR *dir; /* scanned directory */
247 struct dirent *file; /* current file */
250 GDir *dir; /* scanned directory */
254 fileset_entry *entry;
259 /* get (convert) directory name, but don't touch the given string */
260 fname_dup = get_dirname(g_strdup(fname));
261 dirname = g_string_new(fname_dup);
264 set.dirname = g_strdup(dirname->str);
266 dirname = g_string_append_c(dirname, G_DIR_SEPARATOR);
268 /* is the current file probably a part of any fileset? */
269 if(fileset_filename_match_pattern(fname)) {
270 /* yes, go through the files in the directory and check if the file in question is part of the current file set */
271 #if GLIB_MAJOR_VERSION < 2
272 if ((dir = opendir(dirname->str)) != NULL) {
273 while ((file = readdir(dir)) != NULL) {
274 name = (gchar *)file->d_name;
276 dummy = g_malloc(sizeof(GError *));
279 if ((dir = g_dir_open(dirname->str, 0, dummy)) != NULL) {
280 while ((name = g_dir_read_name(dir)) != NULL) {
282 if(fileset_filename_match_pattern(name) && fileset_is_file_in_set(name, get_basename(fname))) {
283 fileset_add_file(dirname->str, name, strcmp(name, get_basename(fname))== 0 /* current */);
287 #if GLIB_MAJOR_VERSION < 2
293 #if GLIB_MAJOR_VERSION >= 2
297 /* no, this is a "standalone file", just add this one */
298 entry = fileset_add_file(dirname->str, get_basename(fname), TRUE /* current */);
300 fileset_dlg_add_file(entry);
304 g_string_free(dirname, TRUE /* free_segment */);
306 /* sort entries by creation time */
307 set.entries = g_list_sort(set.entries, fileset_sort_compare);
309 fileset_update_dlg();
313 /* get current directory name */
315 fileset_get_dirname(void)
321 /* get the current list entry, or NULL */
323 fileset_get_current(void)
326 fileset_entry *entry;
329 /* add all entires to the dialog */
330 le = g_list_first(set.entries);
336 le = g_list_next(le);
343 /* get the file set entry after the current one, or NULL */
345 fileset_get_next(void)
350 le = fileset_get_current();
355 le = g_list_next(le);
364 /* get the file set entry before the current one, or NULL */
366 fileset_get_previous(void)
371 le = fileset_get_current();
376 le = g_list_previous(le);
385 /* delete a single entry */
386 static void fileset_entry_delete(gpointer data, gpointer user_data _U_)
388 fileset_entry *entry = data;
390 g_free( (gpointer) entry->fullname);
391 entry->fullname = NULL;
392 g_free( (gpointer) entry->name);
397 /* delete the whole file set */
398 void fileset_delete(void)
400 /* free the entry list */
402 g_list_foreach(set.entries, fileset_entry_delete, NULL);
403 g_list_free(set.entries);
409 g_free( (gpointer) set.dirname);