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Side by Side Diff: net/disk_cache/blockfile/storage_block.h

Issue 1535363003: Switch to standard integer types in net/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: stddef Created 5 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // See net/disk_cache/disk_cache.h for the public interface. 5 // See net/disk_cache/disk_cache.h for the public interface.
6 6
7 #ifndef NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_ 7 #ifndef NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_
8 #define NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_ 8 #define NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_
9 9
10 #include <stddef.h>
11 #include <stdint.h>
12
13 #include "base/macros.h"
10 #include "net/disk_cache/blockfile/addr.h" 14 #include "net/disk_cache/blockfile/addr.h"
11 #include "net/disk_cache/blockfile/mapped_file.h" 15 #include "net/disk_cache/blockfile/mapped_file.h"
12 16
13 namespace disk_cache { 17 namespace disk_cache {
14 18
15 // This class encapsulates common behavior of a single "block" of data that is 19 // This class encapsulates common behavior of a single "block" of data that is
16 // stored on a block-file. It implements the FileBlock interface, so it can be 20 // stored on a block-file. It implements the FileBlock interface, so it can be
17 // serialized directly to the backing file. 21 // serialized directly to the backing file.
18 // This object provides a memory buffer for the related data, and it can be used 22 // This object provides a memory buffer for the related data, and it can be used
19 // to actually share that memory with another instance of the class. 23 // to actually share that memory with another instance of the class.
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73 77
74 // Loads and store the data. 78 // Loads and store the data.
75 bool Load(); 79 bool Load();
76 bool Store(); 80 bool Store();
77 bool Load(FileIOCallback* callback, bool* completed); 81 bool Load(FileIOCallback* callback, bool* completed);
78 bool Store(FileIOCallback* callback, bool* completed); 82 bool Store(FileIOCallback* callback, bool* completed);
79 83
80 private: 84 private:
81 void AllocateData(); 85 void AllocateData();
82 void DeleteData(); 86 void DeleteData();
83 uint32 CalculateHash() const; 87 uint32_t CalculateHash() const;
84 88
85 T* data_; 89 T* data_;
86 MappedFile* file_; 90 MappedFile* file_;
87 Addr address_; 91 Addr address_;
88 bool modified_; 92 bool modified_;
89 bool own_data_; // Is data_ owned by this object or shared with someone else. 93 bool own_data_; // Is data_ owned by this object or shared with someone else.
90 bool extended_; // Used to store an entry of more than one block. 94 bool extended_; // Used to store an entry of more than one block.
91 95
92 DISALLOW_COPY_AND_ASSIGN(StorageBlock); 96 DISALLOW_COPY_AND_ASSIGN(StorageBlock);
93 }; 97 };
94 98
95 } // namespace disk_cache 99 } // namespace disk_cache
96 100
97 #endif // NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_ 101 #endif // NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_H_
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