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50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_DISK_CACHE_CACHE_UTIL_H_
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#define NET_DISK_CACHE_CACHE_UTIL_H_
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#include <stdint.h>
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#include "net/base/net_export.h"
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#include "net/disk_cache/disk_cache.h"
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namespace base {
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class FilePath;
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}
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namespace disk_cache {
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// Moves the cache files from the given path to another location.
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// Fails if the destination exists already, or if it doesn't have
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// permission for the operation. This is basically a rename operation
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// for the cache directory. Returns true if successful. On ChromeOS,
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// this moves the cache contents, and leaves the empty cache
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// directory.
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NET_EXPORT_PRIVATE bool MoveCache(const base::FilePath& from_path,
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const base::FilePath& to_path);
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// Deletes the cache files stored on |path|, and optionally also attempts to
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// delete the folder itself.
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NET_EXPORT_PRIVATE void DeleteCache(const base::FilePath& path,
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bool remove_folder);
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// Deletes a cache file.
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NET_EXPORT_PRIVATE bool DeleteCacheFile(const base::FilePath& name);
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// Renames cache directory synchronously and fires off a background cleanup
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// task. Used by cache creator itself or by backends for self-restart on error.
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bool DelayedCacheCleanup(const base::FilePath& full_path);
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// Returns the preferred max cache size given the available disk space.
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NET_EXPORT_PRIVATE int PreferredCacheSize(int64_t available);
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// The default cache size should not ideally be exposed, but the blockfile
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// backend uses it for reasons that include testing.
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NET_EXPORT_PRIVATE extern const int kDefaultCacheSize;
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} // namespace disk_cache
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#endif // NET_DISK_CACHE_CACHE_UTIL_H_
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