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Side by Side Diff: net/disk_cache/flash/cache_entry.h

Issue 11532011: Renamed classes for consistency. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: test 2. Created 8 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef NET_DISK_CACHE_FLASH_LOG_ENTRY_H_
6 #define NET_DISK_CACHE_FLASH_LOG_ENTRY_H_
7
8 #include <vector>
9
10 #include "base/basictypes.h"
11 #include "base/gtest_prod_util.h"
12 #include "net/base/net_export.h"
13 #include "net/disk_cache/flash/format.h"
14
15 namespace net {
16 class IOBuffer;
17 };
18
19 namespace disk_cache {
20
21 class LogStructuredStore;
22
23 class NET_EXPORT_PRIVATE CacheEntry {
24 public:
25 explicit CacheEntry(LogStructuredStore* store);
26 CacheEntry(LogStructuredStore* store, int32 id);
27 ~CacheEntry();
28
29 bool Init();
30 bool Close();
31
32 int32 id() const;
33 int32 GetDataSize(int index) const;
34
35 int ReadData(int index, int offset, net::IOBuffer* buf, int buf_len);
36 int WriteData(int index, int offset, net::IOBuffer* buf, int buf_len);
37
38 private:
39 struct Stream {
40 Stream();
41 ~Stream();
42 int offset;
43 int size;
44 std::vector<char> write_buffer;
45 };
46
47 bool OnDisk() const;
48 bool InvalidStream(int stream_index) const;
49 int32 Size() const;
50 bool Save();
51
52 LogStructuredStore* store_;
53 int32 id_;
54 Stream streams_[kFlashCacheEntryNumStreams];
55 bool init_;
56 bool closed_;
57
58 DISALLOW_COPY_AND_ASSIGN(CacheEntry);
59 };
60
61 } // namespace disk_cache
62
63 #endif // NET_DISK_CACHE_FLASH_LOG_ENTRY_H_
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