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- // 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 <stdint.h>
- #include "base/callback_forward.h"
- #include "base/feature_list.h"
- #include "net/base/net_export.h"
- #include "net/disk_cache/disk_cache.h"
- namespace base {
- class FilePath;
- }
- namespace disk_cache {
- // Experiment to increase the cache size to see the impact on various
- // performance metrics.
- NET_EXPORT_PRIVATE extern const base::Feature kChangeDiskCacheSizeExperiment;
- // 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 the given directory recursively, asynchronously. `callback` will
- // called with whether the operation succeeded.
- // This is done by:
- // 1. Renaming the directory to another directory,
- // 2. Calling `callback` with the result, and
- // 3. Deleting the directory.
- // This means the caller won't know the result of 3.
- NET_EXPORT_PRIVATE void CleanupDirectory(
- const base::FilePath& path,
- base::OnceCallback<void(bool)> callback);
- // This runs 1. (see the above comments) synchronously.
- bool CleanupDirectorySync(const base::FilePath& path);
- // Returns the preferred max cache size given the available disk space and
- // cache type.
- NET_EXPORT_PRIVATE int PreferredCacheSize(
- int64_t available,
- net::CacheType type = net::DISK_CACHE);
- // 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_
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