blob: f92649d828ba481fa4444ce83f832164973b4b03 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright (c) 2006-2008 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 of the cache.
#ifndef NET_DISK_CACHE_FILE_BLOCK_H__
#define NET_DISK_CACHE_FILE_BLOCK_H__
namespace disk_cache {
// This interface exposes common functionality for a single block of data
// stored on a file-block, regardless of the real type or size of the block.
// Used to simplify loading / storing the block from disk.
class FileBlock {
public:
virtual ~FileBlock() {}
// Returns a pointer to the actual data.
virtual void* buffer() const = 0;
// Returns the size of the block;
virtual size_t size() const = 0;
// Returns the file offset of this block.
virtual int offset() const = 0;
};
} // namespace disk_cache
#endif // NET_DISK_CACHE_FILE_BLOCK_H__
|
