[FTP] rework cache handling

The cache handling has been split into a separate file and structure
now. While the API still isn't perfect, it's much clearer than before.
It's also faster when looking up lots of symlinks.

1 files changed, 76 insertions, 0 deletions

diff --git a/daemon/gvfsftpdircache.h b/daemon/gvfsftpdircache.h
new file mode 100644
index 00000000..5a1237a8
--- /dev/null
+++ b/daemon/gvfsftpdircache.h
@@ -0,0 +1,76 @@
+/* GIO - GLib Input, Output and Streaming Library
+ * 
+ * Copyright (C) 2009 Benjamin Otte <otte@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Benjamin Otte <otte@gnome.org>
+ */
+
+#ifndef __G_VFS_FTP_DIRCACHE_H__
+#define __G_VFS_FTP_DIRCACHE_H__
+
+#include <gvfsftpfile.h>
+#include <gvfsftptask.h>
+
+G_BEGIN_DECLS
+
+
+//typedef struct _GVfsFtpDirCache GVfsFtpDirCache;
+typedef struct _GVfsFtpDirCacheEntry GVfsFtpDirCacheEntry;
+//typedef struct _GVfsFtpDirFuncs GVfsFtpDirFuncs;
+
+struct _GVfsFtpDirFuncs {
+  const char *          command;
+  gboolean              (* process)                             (GInputStream *         stream,
+                                                                 const GVfsFtpFile *    dir,
+                                                                 GVfsFtpDirCacheEntry * entry,
+                                                                 GCancellable *         cancellable,
+                                                                 GError **              error);
+  GVfsFtpFile *         (* resolve_symlink)                     (GVfsFtpTask *          task,
+                                                                 const GVfsFtpFile *    file,
+                                                                 const char *           target);
+};
+
+extern const GVfsFtpDirFuncs g_vfs_ftp_dir_cache_funcs_unix;
+extern const GVfsFtpDirFuncs g_vfs_ftp_dir_cache_funcs_default;
+
+GVfsFtpDirCache *       g_vfs_ftp_dir_cache_new                 (const GVfsFtpDirFuncs *funcs,
+                                                                 GFileInfo *            root);
+void                    g_vfs_ftp_dir_cache_free                (GVfsFtpDirCache *      cache);
+
+GFileInfo *             g_vfs_ftp_dir_cache_lookup_file         (GVfsFtpDirCache *      cache,
+                                                                 GVfsFtpTask *          task,
+                                                                 const GVfsFtpFile *    file,
+                                                                 gboolean               resolve_symlinks);
+GList *                 g_vfs_ftp_dir_cache_lookup_dir          (GVfsFtpDirCache *      cache,
+                                                                 GVfsFtpTask *          task,
+                                                                 const GVfsFtpFile *    dir,
+                                                                 gboolean               flush,
+                                                                 gboolean               resolve_symlinks);
+void                    g_vfs_ftp_dir_cache_purge_file          (GVfsFtpDirCache *      cache,
+                                                                 const GVfsFtpFile *    file);
+void                    g_vfs_ftp_dir_cache_purge_dir           (GVfsFtpDirCache *      cache,
+                                                                 const GVfsFtpFile *    dir);
+
+void                    g_vfs_ftp_dir_cache_entry_add           (GVfsFtpDirCacheEntry * entry,
+                                                                 GVfsFtpFile *          file,
+                                                                 GFileInfo *            info);
+
+
+G_END_DECLS
+
+#endif /* __G_VFS_FTP_DIRCACHE_H__ */