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.
25 #ifdef HAVE_SYS_WAIT_H
26 # include <sys/wait.h>
34 #include <wsutil/file_util.h>
35 #include <wsutil/filesystem.h>
38 #include <epan/strutil.h>
44 typedef struct _fileset {
49 /* this is the fileset's global data */
50 static fileset set = { NULL, NULL};
53 /* is this a probable file of a file set (does the naming pattern match)? */
55 fileset_filename_match_pattern(const char *fname)
59 size_t minlen = strlen("_00001_20050418010750");
63 /* d:\dir1\test_00001_20050418010750.cap */
64 filename = g_strdup(get_basename(fname));
66 /* test_00001_20050418010750.cap */
67 pfx = strrchr(filename, '.');
68 if(pfx == NULL) { /* suffix is optional */
69 pfx = filename + strlen(filename);
71 /* test_00001_20050418010750 */
74 /* filename long enough? */
75 baselen = strlen(filename);
76 if(baselen < minlen) {
81 /* there must be two underscores at special places */
82 if(filename[baselen-minlen] != '_' || filename[baselen-minlen+6] != '_') {
87 /* replace the two underscores by digits */
88 filename[baselen-minlen] = '0';
89 filename[baselen-minlen+6] = '0';
91 /* we should have only digits now */
95 if(!g_ascii_isdigit( filename[baselen])) {
103 /* ok, seems to be good */
108 /* test, if both files could be in the same file set */
109 /* (the filenames must already be in correct shape) */
111 fileset_is_file_in_set(const char *fname1, const char *fname2)
117 size_t minlen = strlen("_00001_20050418010750");
120 /* just to be sure ... */
121 g_assert(fileset_filename_match_pattern(fname1));
122 g_assert(fileset_filename_match_pattern(fname2));
124 dup_f1 = g_strdup(fname1);
125 dup_f2 = g_strdup(fname2);
127 pfx1 = strrchr(dup_f1, '.');
128 pfx2 = strrchr(dup_f2, '.');
129 /* suffix is optional */
130 if (!pfx1) pfx1 = dup_f1 + strlen(dup_f1);
131 if (!pfx2) pfx2 = dup_f2 + strlen(dup_f2);
133 /* the optional suffix (file extension) must be equal */
134 if(strcmp(pfx1, pfx2) != 0) {
140 *(pfx1-minlen) = '\0';
141 *(pfx2-minlen) = '\0';
143 if(strcmp(dup_f1, dup_f2) != 0) {
154 /* GCompareFunc helper for g_list_find_custom() */
156 fileset_find_by_path(gconstpointer a, gconstpointer b)
158 const fileset_entry *entry;
161 entry = (const fileset_entry *) a;
162 path = (const char *) b;
164 return g_strcmp0(entry->fullname, path);
167 /* update the time and size of this file in the list */
169 fileset_update_file(const char *path)
173 fileset_entry *entry = NULL;
176 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
180 result = ws_fstat64( fh, &buf );
182 /* Show statistics if they are valid */
184 entry_list = g_list_find_custom(set.entries, path,
185 fileset_find_by_path);
188 entry = (fileset_entry *) entry_list->data;
189 entry->ctime = buf.st_ctime;
190 entry->mtime = buf.st_mtime;
191 entry->size = buf.st_size;
199 /* we know this file is part of the set, so add it */
200 static fileset_entry *
201 fileset_add_file(const char *dirname, const char *fname, gboolean current)
206 fileset_entry *entry = NULL;
209 path = g_strdup_printf("%s%s", dirname, fname);
211 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
215 result = ws_fstat64( fh, &buf );
217 /* Show statistics if they are valid */
219 entry = (fileset_entry *)g_malloc(sizeof(fileset_entry));
221 entry->fullname = g_strdup(path);
222 entry->name = g_strdup(fname);
223 entry->ctime = buf.st_ctime;
224 entry->mtime = buf.st_mtime;
225 entry->size = buf.st_size;
226 entry->current = current;
228 set.entries = g_list_append(set.entries, entry);
240 /* compare two list entries by creation date/time (through filename) */
242 fileset_sort_compare(gconstpointer a, gconstpointer b)
244 const fileset_entry *entry_a = (const fileset_entry *)a;
245 const fileset_entry *entry_b = (const fileset_entry *)b;
247 return strcmp(entry_a->name, entry_b->name);
251 /* add all file set entries to the dialog */
252 void fileset_update_dlg(void *window)
257 /* add all entries to the dialog */
258 le = g_list_first(set.entries);
260 fileset_dlg_add_file((fileset_entry *)le->data, window);
261 le = g_list_next(le);
266 /* walk through the directory of the loaded file and add every file matching the current file */
268 fileset_add_dir(const char *fname, void *window)
270 WS_DIR *dir; /* scanned directory */
271 WS_DIRENT *file; /* current file */
277 /* get (convert) directory name, but don't touch the given string */
278 fname_dup = g_strdup(fname);
279 dirname = g_string_new(get_dirname(fname_dup));
282 set.dirname = g_strdup(dirname->str);
284 dirname = g_string_append_c(dirname, G_DIR_SEPARATOR);
286 /* is the current file probably a part of any fileset? */
287 if(fileset_filename_match_pattern(fname)) {
288 /* yes, go through the files in the directory and check if the file in question is part of the current file set */
289 if ((dir = ws_dir_open(dirname->str, 0, NULL)) != NULL) {
290 while ((file = ws_dir_read_name(dir)) != NULL) {
291 name = ws_dir_get_name(file);
292 if(fileset_filename_match_pattern(name) && fileset_is_file_in_set(name, get_basename(fname))) {
293 fileset_add_file(dirname->str, name, strcmp(name, get_basename(fname))== 0 /* current */);
300 /* no, this is a "standalone file", just add this one */
301 fileset_add_file(dirname->str, get_basename(fname), TRUE /* current */);
302 /* don't add the file to the dialog here, this will be done in fileset_update_dlg() below */
305 g_string_free(dirname, TRUE /* free_segment */);
307 /* sort entries by creation time */
308 set.entries = g_list_sort(set.entries, fileset_sort_compare);
310 fileset_update_dlg(window);
314 /* get current directory name */
316 fileset_get_dirname(void)
322 /* get the current list entry, or NULL */
324 fileset_get_current(void)
327 fileset_entry *entry;
330 /* add all entries to the dialog */
331 le = g_list_first(set.entries);
333 entry = (fileset_entry *)le->data;
337 le = g_list_next(le);
344 /* get the file set entry after the current one, or NULL */
346 fileset_get_next(void)
351 le = fileset_get_current();
356 le = g_list_next(le);
361 return (fileset_entry *)le->data;
365 /* get the file set entry before the current one, or NULL */
367 fileset_get_previous(void)
372 le = fileset_get_current();
377 le = g_list_previous(le);
382 return (fileset_entry *)le->data;
386 /* delete a single entry */
387 static void fileset_entry_delete(gpointer data, gpointer user_data _U_)
389 fileset_entry *entry = (fileset_entry *)data;
391 g_free( (gpointer) entry->fullname);
392 entry->fullname = NULL;
393 g_free( (gpointer) entry->name);
399 /* delete the whole file set */
400 void fileset_delete(void)
402 /* free the entry list */
404 g_list_foreach(set.entries, fileset_entry_delete, NULL);
405 g_list_free(set.entries);
411 g_free( (gpointer) set.dirname);
417 * Editor modelines - http://www.wireshark.org/tools/modelines.html
422 * indent-tabs-mode: nil
425 * vi: set shiftwidth=4 tabstop=8 expandtab:
426 * :indentSize=4:tabSize=8:noTabs=true: