/*
- * Geeqie
- * Copyright (C) 2008 - 2009 The Geeqie Team
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: Vladimir Nadvornik
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
#include "main.h"
#include "filecache.h"
};
static void file_cache_notify_cb(FileData *fd, NotifyType type, gpointer data);
+static void file_cache_remove_fd(FileCacheData *fc, FileData *fd);
FileCacheData *file_cache_new(FileCacheReleaseFunc release, gulong max_size)
{
gboolean file_cache_get(FileCacheData *fc, FileData *fd)
{
GList *work;
-
+
g_assert(fc && fd);
work = fc->list;
if (fce->fd == fd)
{
/* entry exists */
- DEBUG_1("cache hit: fc=%p %s", fc, fd->path);
+ DEBUG_2("cache hit: fc=%p %s", fc, fd->path);
if (work == fc->list) return TRUE; /* already at the beginning */
/* move it to the beginning */
- DEBUG_1("cache move to front: fc=%p %s", fc, fd->path);
+ DEBUG_2("cache move to front: fc=%p %s", fc, fd->path);
fc->list = g_list_remove_link(fc->list, work);
fc->list = g_list_concat(work, fc->list);
-
- if (file_data_check_changed_files(fd)) /* this will eventually remove changed files from cache via file_cache_notify_cb */
+
+ if (file_data_check_changed_files(fd)) {
+ /* file has been changed, cance entry is no longer valid */
+ file_cache_remove_fd(fc, fd);
return FALSE;
-
+ }
if (debug_file_cache) file_cache_dump(fc);
return TRUE;
}
work = work->next;
}
- DEBUG_1("cache miss: fc=%p %s", fc, fd->path);
+ DEBUG_2("cache miss: fc=%p %s", fc, fd->path);
return FALSE;
}
prev = work->prev;
fc->list = g_list_delete_link(fc->list, work);
work = prev;
-
- DEBUG_1("file changed - cache remove: fc=%p %s", fc, last_fe->fd->path);
+
+ DEBUG_2("file changed - cache remove: fc=%p %s", fc, last_fe->fd->path);
fc->size -= last_fe->size;
fc->release(last_fe->fd);
file_data_unref(last_fe->fd);
FileCacheEntry *fe;
if (file_cache_get(fc, fd)) return;
-
- DEBUG_1("cache add: fc=%p %s", fc, fd->path);
+
+ DEBUG_2("cache add: fc=%p %s", fc, fd->path);
fe = g_new(FileCacheEntry, 1);
fe->fd = file_data_ref(fd);
fe->size = size;
fc->list = g_list_prepend(fc->list, fe);
fc->size += size;
-
+
file_cache_set_size(fc, fc->max_size);
}
if (fe->fd == fd)
{
fc->list = g_list_delete_link(fc->list, current);
-
+
DEBUG_1("cache remove: fc=%p %s", fc, fe->fd->path);
fc->size -= fe->size;
fc->release(fe->fd);
gulong n = 0;
DEBUG_1("cache dump: fc=%p max size:%ld size:%ld", fc, fc->max_size, fc->size);
-
+
while (work)
{
FileCacheEntry *fe = work->data;
if (type & (NOTIFY_REREAD | NOTIFY_CHANGE)) /* invalidate the entry on each file change */
{
+ DEBUG_1("Notify cache: %s %04x", fd->path, type);
file_cache_remove_fd(fc, fd);
}
}