mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 16:26:10 +03:00
31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
|
// Copyright 2013 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_SIMPLE_SIMPLE_BACKEND_VERSION_H_
|
||
|
|
#define NET_DISK_CACHE_SIMPLE_SIMPLE_BACKEND_VERSION_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
namespace disk_cache {
|
||
|
|
|
||
|
|
// Short rules helping to think about data upgrades within Simple Cache:
|
||
|
|
// * ALL changes of on-disk data format, backward-compatible or not,
|
||
|
|
// forward-compatible or not, require updating the |kSimpleVersion|.
|
||
|
|
// * All cache Upgrades are performed on backend start, must be finished
|
||
|
|
// before the new backend starts processing any incoming operations.
|
||
|
|
// * If the Upgrade is not implemented for transition from
|
||
|
|
// |kSimpleVersion - 1| then the whole cache directory will be cleared.
|
||
|
|
// * Dropping cache data on disk or some of its parts can be a valid way to
|
||
|
|
// Upgrade.
|
||
|
|
const uint32_t kLastCompatSparseVersion = 7;
|
||
|
|
const uint32_t kSimpleVersion = 8;
|
||
|
|
|
||
|
|
// The version of the entry file(s) as written to disk. Must be updated iff the
|
||
|
|
// entry format changes with the overall backend version update.
|
||
|
|
const uint32_t kSimpleEntryVersionOnDisk = 5;
|
||
|
|
|
||
|
|
} // namespace disk_cache
|
||
|
|
|
||
|
|
#endif // NET_DISK_CACHE_SIMPLE_SIMPLE_BACKEND_VERSION_H_
|