diff options
Diffstat (limited to 'chromium/net/disk_cache/v3/block_bitmaps.h')
-rw-r--r-- | chromium/net/disk_cache/v3/block_bitmaps.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/chromium/net/disk_cache/v3/block_bitmaps.h b/chromium/net/disk_cache/v3/block_bitmaps.h deleted file mode 100644 index 111d57b0b13..00000000000 --- a/chromium/net/disk_cache/v3/block_bitmaps.h +++ /dev/null @@ -1,65 +0,0 @@ -// Copyright (c) 2012 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. - -// See net/disk_cache/disk_cache.h for the public interface. - -#ifndef NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_ -#define NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_ - -#include "base/files/file_path.h" -#include "net/base/net_export.h" -#include "net/disk_cache/addr.h" -#include "net/disk_cache/block_files.h" - -namespace disk_cache { - -class BackendImplV3; - -// This class is the interface in the v3 disk cache to the set of files holding -// cached data that is small enough to not be efficiently stored in a dedicated -// file (i.e. < kMaxBlockSize). It is primarily used to allocate and free -// regions in those files used to store data. -class NET_EXPORT_PRIVATE BlockBitmaps { - public: - BlockBitmaps(); - ~BlockBitmaps(); - - void Init(const BlockFilesBitmaps& bitmaps); - - // Creates a new entry on a block file. block_type indicates the size of block - // to be used (as defined on cache_addr.h), block_count is the number of - // blocks to allocate, and block_address is the address of the new entry. - bool CreateBlock(FileType block_type, int block_count, Addr* block_address); - - // Removes an entry from the block files. - void DeleteBlock(Addr address); - - // Releases the internal bitmaps. The cache is being purged. - void Clear(); - - // Sends UMA stats. - void ReportStats(); - - // Returns true if the blocks pointed by a given address are currently used. - // This method is only intended for debugging. - bool IsValid(Addr address); - - private: - // Returns the header number that stores a given address. - int GetHeaderNumber(Addr address); - - // Returns the appropriate header to use for a new block. - int HeaderNumberForNewBlock(FileType block_type, int block_count); - - // Retrieves stats for the given file index. - void GetFileStats(int index, int* used_count, int* load); - - BlockFilesBitmaps bitmaps_; - - DISALLOW_COPY_AND_ASSIGN(BlockBitmaps); -}; - -} // namespace disk_cache - -#endif // NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_ |