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

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months 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 #ifndef NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_ 5 #ifndef NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_
6 #define NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_ 6 #define NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_
7 7
8 #include "net/disk_cache/blockfile/storage_block.h" 8 #include "net/disk_cache/blockfile/storage_block.h"
9 9
10 #include "base/hash.h" 10 #include "base/hash.h"
11 #include "base/logging.h" 11 #include "base/logging.h"
12 #include "net/disk_cache/blockfile/trace.h" 12 #include "net/disk_cache/blockfile/trace.h"
13 13
14 namespace disk_cache { 14 namespace disk_cache {
15 15
16 template<typename T> StorageBlock<T>::StorageBlock(MappedFile* file, 16 template <typename T>
17 Addr address) 17 StorageBlock<T>::StorageBlock(MappedFile* file, Addr address)
18 : data_(NULL), file_(file), address_(address), modified_(false), 18 : data_(NULL),
19 own_data_(false), extended_(false) { 19 file_(file),
20 address_(address),
21 modified_(false),
22 own_data_(false),
23 extended_(false) {
20 if (address.num_blocks() > 1) 24 if (address.num_blocks() > 1)
21 extended_ = true; 25 extended_ = true;
22 DCHECK(!address.is_initialized() || sizeof(*data_) == address.BlockSize()); 26 DCHECK(!address.is_initialized() || sizeof(*data_) == address.BlockSize());
23 } 27 }
24 28
25 template<typename T> StorageBlock<T>::~StorageBlock() { 29 template <typename T>
30 StorageBlock<T>::~StorageBlock() {
26 if (modified_) 31 if (modified_)
27 Store(); 32 Store();
28 DeleteData(); 33 DeleteData();
29 } 34 }
30 35
31 template<typename T> void* StorageBlock<T>::buffer() const { 36 template <typename T>
37 void* StorageBlock<T>::buffer() const {
32 return data_; 38 return data_;
33 } 39 }
34 40
35 template<typename T> size_t StorageBlock<T>::size() const { 41 template <typename T>
42 size_t StorageBlock<T>::size() const {
36 if (!extended_) 43 if (!extended_)
37 return sizeof(*data_); 44 return sizeof(*data_);
38 return address_.num_blocks() * sizeof(*data_); 45 return address_.num_blocks() * sizeof(*data_);
39 } 46 }
40 47
41 template<typename T> int StorageBlock<T>::offset() const { 48 template <typename T>
49 int StorageBlock<T>::offset() const {
42 return address_.start_block() * address_.BlockSize(); 50 return address_.start_block() * address_.BlockSize();
43 } 51 }
44 52
45 template<typename T> bool StorageBlock<T>::LazyInit(MappedFile* file, 53 template <typename T>
46 Addr address) { 54 bool StorageBlock<T>::LazyInit(MappedFile* file, Addr address) {
47 if (file_ || address_.is_initialized()) { 55 if (file_ || address_.is_initialized()) {
48 NOTREACHED(); 56 NOTREACHED();
49 return false; 57 return false;
50 } 58 }
51 file_ = file; 59 file_ = file;
52 address_.set_value(address.value()); 60 address_.set_value(address.value());
53 if (address.num_blocks() > 1) 61 if (address.num_blocks() > 1)
54 extended_ = true; 62 extended_ = true;
55 63
56 DCHECK(sizeof(*data_) == address.BlockSize()); 64 DCHECK(sizeof(*data_) == address.BlockSize());
57 return true; 65 return true;
58 } 66 }
59 67
60 template<typename T> void StorageBlock<T>::SetData(T* other) { 68 template <typename T>
69 void StorageBlock<T>::SetData(T* other) {
61 DCHECK(!modified_); 70 DCHECK(!modified_);
62 DeleteData(); 71 DeleteData();
63 data_ = other; 72 data_ = other;
64 } 73 }
65 74
66 template<typename T> void StorageBlock<T>::Discard() { 75 template <typename T>
76 void StorageBlock<T>::Discard() {
67 if (!data_) 77 if (!data_)
68 return; 78 return;
69 if (!own_data_) { 79 if (!own_data_) {
70 NOTREACHED(); 80 NOTREACHED();
71 return; 81 return;
72 } 82 }
73 DeleteData(); 83 DeleteData();
74 data_ = NULL; 84 data_ = NULL;
75 modified_ = false; 85 modified_ = false;
76 extended_ = false; 86 extended_ = false;
77 } 87 }
78 88
79 template<typename T> void StorageBlock<T>::StopSharingData() { 89 template <typename T>
90 void StorageBlock<T>::StopSharingData() {
80 if (!data_ || own_data_) 91 if (!data_ || own_data_)
81 return; 92 return;
82 DCHECK(!modified_); 93 DCHECK(!modified_);
83 data_ = NULL; 94 data_ = NULL;
84 } 95 }
85 96
86 template<typename T> void StorageBlock<T>::set_modified() { 97 template <typename T>
98 void StorageBlock<T>::set_modified() {
87 DCHECK(data_); 99 DCHECK(data_);
88 modified_ = true; 100 modified_ = true;
89 } 101 }
90 102
91 template<typename T> void StorageBlock<T>::clear_modified() { 103 template <typename T>
104 void StorageBlock<T>::clear_modified() {
92 modified_ = false; 105 modified_ = false;
93 } 106 }
94 107
95 template<typename T> T* StorageBlock<T>::Data() { 108 template <typename T>
109 T* StorageBlock<T>::Data() {
96 if (!data_) 110 if (!data_)
97 AllocateData(); 111 AllocateData();
98 return data_; 112 return data_;
99 } 113 }
100 114
101 template<typename T> bool StorageBlock<T>::HasData() const { 115 template <typename T>
116 bool StorageBlock<T>::HasData() const {
102 return (NULL != data_); 117 return (NULL != data_);
103 } 118 }
104 119
105 template<typename T> bool StorageBlock<T>::VerifyHash() const { 120 template <typename T>
121 bool StorageBlock<T>::VerifyHash() const {
106 uint32 hash = CalculateHash(); 122 uint32 hash = CalculateHash();
107 return (!data_->self_hash || data_->self_hash == hash); 123 return (!data_->self_hash || data_->self_hash == hash);
108 } 124 }
109 125
110 template<typename T> bool StorageBlock<T>::own_data() const { 126 template <typename T>
127 bool StorageBlock<T>::own_data() const {
111 return own_data_; 128 return own_data_;
112 } 129 }
113 130
114 template<typename T> const Addr StorageBlock<T>::address() const { 131 template <typename T>
132 const Addr StorageBlock<T>::address() const {
115 return address_; 133 return address_;
116 } 134 }
117 135
118 template<typename T> bool StorageBlock<T>::Load() { 136 template <typename T>
137 bool StorageBlock<T>::Load() {
119 if (file_) { 138 if (file_) {
120 if (!data_) 139 if (!data_)
121 AllocateData(); 140 AllocateData();
122 141
123 if (file_->Load(this)) { 142 if (file_->Load(this)) {
124 modified_ = false; 143 modified_ = false;
125 return true; 144 return true;
126 } 145 }
127 } 146 }
128 LOG(WARNING) << "Failed data load."; 147 LOG(WARNING) << "Failed data load.";
129 Trace("Failed data load."); 148 Trace("Failed data load.");
130 return false; 149 return false;
131 } 150 }
132 151
133 template<typename T> bool StorageBlock<T>::Store() { 152 template <typename T>
153 bool StorageBlock<T>::Store() {
134 if (file_ && data_) { 154 if (file_ && data_) {
135 data_->self_hash = CalculateHash(); 155 data_->self_hash = CalculateHash();
136 if (file_->Store(this)) { 156 if (file_->Store(this)) {
137 modified_ = false; 157 modified_ = false;
138 return true; 158 return true;
139 } 159 }
140 } 160 }
141 LOG(ERROR) << "Failed data store."; 161 LOG(ERROR) << "Failed data store.";
142 Trace("Failed data store."); 162 Trace("Failed data store.");
143 return false; 163 return false;
144 } 164 }
145 165
146 template<typename T> bool StorageBlock<T>::Load(FileIOCallback* callback, 166 template <typename T>
147 bool* completed) { 167 bool StorageBlock<T>::Load(FileIOCallback* callback, bool* completed) {
148 if (file_) { 168 if (file_) {
149 if (!data_) 169 if (!data_)
150 AllocateData(); 170 AllocateData();
151 171
152 if (file_->Load(this, callback, completed)) { 172 if (file_->Load(this, callback, completed)) {
153 modified_ = false; 173 modified_ = false;
154 return true; 174 return true;
155 } 175 }
156 } 176 }
157 LOG(WARNING) << "Failed data load."; 177 LOG(WARNING) << "Failed data load.";
158 Trace("Failed data load."); 178 Trace("Failed data load.");
159 return false; 179 return false;
160 } 180 }
161 181
162 template<typename T> bool StorageBlock<T>::Store(FileIOCallback* callback, 182 template <typename T>
163 bool* completed) { 183 bool StorageBlock<T>::Store(FileIOCallback* callback, bool* completed) {
164 if (file_ && data_) { 184 if (file_ && data_) {
165 data_->self_hash = CalculateHash(); 185 data_->self_hash = CalculateHash();
166 if (file_->Store(this, callback, completed)) { 186 if (file_->Store(this, callback, completed)) {
167 modified_ = false; 187 modified_ = false;
168 return true; 188 return true;
169 } 189 }
170 } 190 }
171 LOG(ERROR) << "Failed data store."; 191 LOG(ERROR) << "Failed data store.";
172 Trace("Failed data store."); 192 Trace("Failed data store.");
173 return false; 193 return false;
174 } 194 }
175 195
176 template<typename T> void StorageBlock<T>::AllocateData() { 196 template <typename T>
197 void StorageBlock<T>::AllocateData() {
177 DCHECK(!data_); 198 DCHECK(!data_);
178 if (!extended_) { 199 if (!extended_) {
179 data_ = new T; 200 data_ = new T;
180 } else { 201 } else {
181 void* buffer = new char[address_.num_blocks() * sizeof(*data_)]; 202 void* buffer = new char[address_.num_blocks() * sizeof(*data_)];
182 data_ = new(buffer) T; 203 data_ = new (buffer) T;
183 } 204 }
184 own_data_ = true; 205 own_data_ = true;
185 } 206 }
186 207
187 template<typename T> void StorageBlock<T>::DeleteData() { 208 template <typename T>
209 void StorageBlock<T>::DeleteData() {
188 if (own_data_) { 210 if (own_data_) {
189 if (!extended_) { 211 if (!extended_) {
190 delete data_; 212 delete data_;
191 } else { 213 } else {
192 data_->~T(); 214 data_->~T();
193 delete[] reinterpret_cast<char*>(data_); 215 delete[] reinterpret_cast<char*>(data_);
194 } 216 }
195 own_data_ = false; 217 own_data_ = false;
196 } 218 }
197 } 219 }
198 220
199 template<typename T> uint32 StorageBlock<T>::CalculateHash() const { 221 template <typename T>
222 uint32 StorageBlock<T>::CalculateHash() const {
200 return base::Hash(reinterpret_cast<char*>(data_), offsetof(T, self_hash)); 223 return base::Hash(reinterpret_cast<char*>(data_), offsetof(T, self_hash));
201 } 224 }
202 225
203 } // namespace disk_cache 226 } // namespace disk_cache
204 227
205 #endif // NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_ 228 #endif // NET_DISK_CACHE_BLOCKFILE_STORAGE_BLOCK_INL_H_
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