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.
33 #ifdef HAVE_SYS_STAT_H
34 # include <sys/stat.h>
37 #ifdef HAVE_SYS_WAIT_H
38 # include <sys/wait.h>
46 #include <wsutil/file_util.h>
47 #include <wsutil/filesystem.h>
50 #include <epan/strutil.h>
56 typedef struct _fileset {
61 /* this is the fileset's global data */
62 static fileset set = { NULL, NULL};
65 /* is this a probable file of a file set (does the naming pattern match)? */
67 fileset_filename_match_pattern(const char *fname)
71 size_t minlen = strlen("_00001_20050418010750");
75 /* d:\dir1\test_00001_20050418010750.cap */
76 filename = g_strdup(get_basename(fname));
78 /* test_00001_20050418010750.cap */
79 pfx = strrchr(filename, '.');
80 if(pfx == NULL) { /* suffix is optional */
81 pfx = filename + strlen(filename);
83 /* test_00001_20050418010750 */
86 /* filename long enough? */
87 baselen = strlen(filename);
88 if(baselen < minlen) {
93 /* there must be two underscores at special places */
94 if(filename[baselen-minlen] != '_' || filename[baselen-minlen+6] != '_') {
99 /* replace the two underscores by digits */
100 filename[baselen-minlen] = '0';
101 filename[baselen-minlen+6] = '0';
103 /* we should have only digits now */
107 if(!g_ascii_isdigit( filename[baselen])) {
115 /* ok, seems to be good */
120 /* test, if both files could be in the same file set */
121 /* (the filenames must already be in correct shape) */
123 fileset_is_file_in_set(const char *fname1, const char *fname2)
129 size_t minlen = strlen("_00001_20050418010750");
132 /* just to be sure ... */
133 g_assert(fileset_filename_match_pattern(fname1));
134 g_assert(fileset_filename_match_pattern(fname2));
136 dup_f1 = g_strdup(fname1);
137 dup_f2 = g_strdup(fname2);
139 pfx1 = strrchr(dup_f1, '.');
140 pfx2 = strrchr(dup_f2, '.');
141 /* suffix is optional */
142 if (!pfx1) pfx1 = dup_f1 + strlen(dup_f1);
143 if (!pfx2) pfx2 = dup_f2 + strlen(dup_f2);
145 /* the optional suffix (file extension) must be equal */
146 if(strcmp(pfx1, pfx2) != 0) {
152 *(pfx1-minlen) = '\0';
153 *(pfx2-minlen) = '\0';
155 if(strcmp(dup_f1, dup_f2) != 0) {
166 /* GCompareFunc helper for g_list_find_custom() */
168 fileset_find_by_path(gconstpointer a, gconstpointer b)
170 const fileset_entry *entry;
173 entry = (const fileset_entry *) a;
174 path = (const char *) b;
176 return g_strcmp0(entry->fullname, path);
179 /* update the time and size of this file in the list */
181 fileset_update_file(const char *path)
185 fileset_entry *entry = NULL;
188 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
192 result = ws_fstat64( fh, &buf );
194 /* Show statistics if they are valid */
196 entry_list = g_list_find_custom(set.entries, path,
197 fileset_find_by_path);
200 entry = (fileset_entry *) entry_list->data;
201 entry->ctime = buf.st_ctime;
202 entry->mtime = buf.st_mtime;
203 entry->size = buf.st_size;
211 /* we know this file is part of the set, so add it */
212 static fileset_entry *
213 fileset_add_file(const char *dirname, const char *fname, gboolean current)
218 fileset_entry *entry = NULL;
221 path = g_strdup_printf("%s%s", dirname, fname);
223 fh = ws_open( path, O_RDONLY, 0000 /* no creation so don't matter */);
227 result = ws_fstat64( fh, &buf );
229 /* Show statistics if they are valid */
231 entry = (fileset_entry *)g_malloc(sizeof(fileset_entry));
233 entry->fullname = g_strdup(path);
234 entry->name = g_strdup(fname);
235 entry->ctime = buf.st_ctime;
236 entry->mtime = buf.st_mtime;
237 entry->size = buf.st_size;
238 entry->current = current;
240 set.entries = g_list_append(set.entries, entry);
252 /* compare two list entries by creation date/time (through filename) */
254 fileset_sort_compare(gconstpointer a, gconstpointer b)
256 const fileset_entry *entry_a = (const fileset_entry *)a;
257 const fileset_entry *entry_b = (const fileset_entry *)b;
259 return strcmp(entry_a->name, entry_b->name);
263 /* add all file set entries to the dialog */
264 void fileset_update_dlg(void *window)
269 /* add all entires to the dialog */
270 le = g_list_first(set.entries);
272 fileset_dlg_add_file((fileset_entry *)le->data, window);
273 le = g_list_next(le);
278 /* walk through the directory of the loaded file and add every file matching the current file */
280 fileset_add_dir(const char *fname, void *window)
282 WS_DIR *dir; /* scanned directory */
283 WS_DIRENT *file; /* current file */
289 /* get (convert) directory name, but don't touch the given string */
290 fname_dup = get_dirname(g_strdup(fname));
291 dirname = g_string_new(fname_dup);
294 set.dirname = g_strdup(dirname->str);
296 dirname = g_string_append_c(dirname, G_DIR_SEPARATOR);
298 /* is the current file probably a part of any fileset? */
299 if(fileset_filename_match_pattern(fname)) {
300 /* yes, go through the files in the directory and check if the file in question is part of the current file set */
301 if ((dir = ws_dir_open(dirname->str, 0, NULL)) != NULL) {
302 while ((file = ws_dir_read_name(dir)) != NULL) {
303 name = ws_dir_get_name(file);
304 if(fileset_filename_match_pattern(name) && fileset_is_file_in_set(name, get_basename(fname))) {
305 fileset_add_file(dirname->str, name, strcmp(name, get_basename(fname))== 0 /* current */);
312 /* no, this is a "standalone file", just add this one */
313 fileset_add_file(dirname->str, get_basename(fname), TRUE /* current */);
314 /* don't add the file to the dialog here, this will be done in fileset_update_dlg() below */
317 g_string_free(dirname, TRUE /* free_segment */);
319 /* sort entries by creation time */
320 set.entries = g_list_sort(set.entries, fileset_sort_compare);
322 fileset_update_dlg(window);
326 /* get current directory name */
328 fileset_get_dirname(void)
334 /* get the current list entry, or NULL */
336 fileset_get_current(void)
339 fileset_entry *entry;
342 /* add all entires to the dialog */
343 le = g_list_first(set.entries);
345 entry = (fileset_entry *)le->data;
349 le = g_list_next(le);
356 /* get the file set entry after the current one, or NULL */
358 fileset_get_next(void)
363 le = fileset_get_current();
368 le = g_list_next(le);
373 return (fileset_entry *)le->data;
377 /* get the file set entry before the current one, or NULL */
379 fileset_get_previous(void)
384 le = fileset_get_current();
389 le = g_list_previous(le);
394 return (fileset_entry *)le->data;
398 /* delete a single entry */
399 static void fileset_entry_delete(gpointer data, gpointer user_data _U_)
401 fileset_entry *entry = (fileset_entry *)data;
403 g_free( (gpointer) entry->fullname);
404 entry->fullname = NULL;
405 g_free( (gpointer) entry->name);
411 /* delete the whole file set */
412 void fileset_delete(void)
414 /* free the entry list */
416 g_list_foreach(set.entries, fileset_entry_delete, NULL);
417 g_list_free(set.entries);
423 g_free( (gpointer) set.dirname);
429 * Editor modelines - http://www.wireshark.org/tools/modelines.html
434 * indent-tabs-mode: nil
437 * vi: set shiftwidth=4 tabstop=8 expandtab:
438 * :indentSize=4:tabSize=8:noTabs=true: