// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_DISK_CACHE_CACHE_UTIL_H_
#define NET_DISK_CACHE_CACHE_UTIL_H_
#include "base/basictypes.h"
#include "net/base/net_export.h"
#include "net/disk_cache/disk_cache.h"
namespace base {
class FilePath;
}
namespace disk_cache {
// Moves the cache files from the given path to another location.
// Fails if the destination exists already, or if it doesn't have
// permission for the operation. This is basically a rename operation
// for the cache directory. Returns true if successful. On ChromeOS,
// this moves the cache contents, and leaves the empty cache
// directory.
NET_EXPORT_PRIVATE bool MoveCache(const base::FilePath& from_path,
const base::FilePath& to_path);
// Deletes the cache files stored on |path|, and optionally also attempts to
// delete the folder itself.
NET_EXPORT_PRIVATE void DeleteCache(const base::FilePath& path,
bool remove_folder);
// Deletes a cache file.
NET_EXPORT_PRIVATE bool DeleteCacheFile(const base::FilePath& name);
// Renames cache directory synchronously and fires off a background cleanup
// task. Used by cache creator itself or by backends for self-restart on error.
bool DelayedCacheCleanup(const base::FilePath& full_path);
// Returns the preferred max cache size given the available disk space.
NET_EXPORT_PRIVATE int PreferredCacheSize(int64 available);
// The default cache size should not ideally be exposed, but the blockfile
// backend uses it for reasons that include testing.
NET_EXPORT_PRIVATE extern const int kDefaultCacheSize;
} // namespace disk_cache
#endif // NET_DISK_CACHE_CACHE_UTIL_H_