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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 #include "base/files/file_path.h" | 5 #include "base/files/file_path.h" |
| 6 #include "base/metrics/field_trial.h" | 6 #include "base/metrics/field_trial.h" |
| 7 #include "base/strings/stringprintf.h" | 7 #include "base/strings/stringprintf.h" |
| 8 #include "net/base/cache_type.h" | 8 #include "net/base/cache_type.h" |
| 9 #include "net/base/net_errors.h" | 9 #include "net/base/net_errors.h" |
| 10 #include "net/disk_cache/blockfile/backend_impl.h" | 10 #include "net/disk_cache/blockfile/backend_impl.h" |
| 11 #include "net/disk_cache/cache_util.h" | 11 #include "net/disk_cache/cache_util.h" |
| 12 #include "net/disk_cache/disk_cache.h" | 12 #include "net/disk_cache/disk_cache.h" |
| 13 #include "net/disk_cache/memory/mem_backend_impl.h" | 13 #include "net/disk_cache/memory/mem_backend_impl.h" |
| 14 #include "net/disk_cache/simple/simple_backend_impl.h" | 14 #include "net/disk_cache/simple/simple_backend_impl.h" |
| 15 | 15 |
| 16 #ifdef USE_TRACING_CACHE_BACKEND | 16 #ifdef USE_TRACING_CACHE_BACKEND |
| 17 #include "net/disk_cache/tracing_cache_backend.h" | 17 #include "net/disk_cache/tracing_cache_backend.h" |
| 18 #endif | 18 #endif |
| 19 | 19 |
| 20 namespace { | 20 namespace { |
| 21 | 21 |
| 22 // Builds an instance of the backend depending on platform, type, experiments | 22 // Builds an instance of the backend depending on platform, type, experiments |
| 23 // etc. Takes care of the retry state. This object will self-destroy when | 23 // etc. Takes care of the retry state. This object will self-destroy when |
| 24 // finished. | 24 // finished. |
| 25 class CacheCreator { | 25 class CacheCreator { |
| 26 public: | 26 public: |
| 27 CacheCreator(const base::FilePath& path, bool force, int max_bytes, | 27 CacheCreator(const base::FilePath& path, |
| 28 net::CacheType type, net::BackendType backend_type, uint32 flags, | 28 bool force, |
| 29 base::MessageLoopProxy* thread, net::NetLog* net_log, | 29 int max_bytes, |
| 30 net::CacheType type, |
| 31 net::BackendType backend_type, |
| 32 uint32 flags, |
| 33 base::MessageLoopProxy* thread, |
| 34 net::NetLog* net_log, |
| 30 scoped_ptr<disk_cache::Backend>* backend, | 35 scoped_ptr<disk_cache::Backend>* backend, |
| 31 const net::CompletionCallback& callback); | 36 const net::CompletionCallback& callback); |
| 32 | 37 |
| 33 // Creates the backend. | 38 // Creates the backend. |
| 34 int Run(); | 39 int Run(); |
| 35 | 40 |
| 36 private: | 41 private: |
| 37 ~CacheCreator(); | 42 ~CacheCreator(); |
| 38 | 43 |
| 39 void DoCallback(int result); | 44 void DoCallback(int result); |
| 40 | 45 |
| 41 void OnIOComplete(int result); | 46 void OnIOComplete(int result); |
| 42 | 47 |
| 43 const base::FilePath path_; | 48 const base::FilePath path_; |
| 44 bool force_; | 49 bool force_; |
| 45 bool retry_; | 50 bool retry_; |
| 46 int max_bytes_; | 51 int max_bytes_; |
| 47 net::CacheType type_; | 52 net::CacheType type_; |
| 48 net::BackendType backend_type_; | 53 net::BackendType backend_type_; |
| 49 uint32 flags_; | 54 uint32 flags_; |
| 50 scoped_refptr<base::MessageLoopProxy> thread_; | 55 scoped_refptr<base::MessageLoopProxy> thread_; |
| 51 scoped_ptr<disk_cache::Backend>* backend_; | 56 scoped_ptr<disk_cache::Backend>* backend_; |
| 52 net::CompletionCallback callback_; | 57 net::CompletionCallback callback_; |
| 53 scoped_ptr<disk_cache::Backend> created_cache_; | 58 scoped_ptr<disk_cache::Backend> created_cache_; |
| 54 net::NetLog* net_log_; | 59 net::NetLog* net_log_; |
| 55 | 60 |
| 56 DISALLOW_COPY_AND_ASSIGN(CacheCreator); | 61 DISALLOW_COPY_AND_ASSIGN(CacheCreator); |
| 57 }; | 62 }; |
| 58 | 63 |
| 59 CacheCreator::CacheCreator( | 64 CacheCreator::CacheCreator(const base::FilePath& path, |
| 60 const base::FilePath& path, bool force, int max_bytes, | 65 bool force, |
| 61 net::CacheType type, net::BackendType backend_type, uint32 flags, | 66 int max_bytes, |
| 62 base::MessageLoopProxy* thread, net::NetLog* net_log, | 67 net::CacheType type, |
| 63 scoped_ptr<disk_cache::Backend>* backend, | 68 net::BackendType backend_type, |
| 64 const net::CompletionCallback& callback) | 69 uint32 flags, |
| 70 base::MessageLoopProxy* thread, |
| 71 net::NetLog* net_log, |
| 72 scoped_ptr<disk_cache::Backend>* backend, |
| 73 const net::CompletionCallback& callback) |
| 65 : path_(path), | 74 : path_(path), |
| 66 force_(force), | 75 force_(force), |
| 67 retry_(false), | 76 retry_(false), |
| 68 max_bytes_(max_bytes), | 77 max_bytes_(max_bytes), |
| 69 type_(type), | 78 type_(type), |
| 70 backend_type_(backend_type), | 79 backend_type_(backend_type), |
| 71 flags_(flags), | 80 flags_(flags), |
| 72 thread_(thread), | 81 thread_(thread), |
| 73 backend_(backend), | 82 backend_(backend), |
| 74 callback_(callback), | 83 callback_(callback), |
| 75 net_log_(net_log) { | 84 net_log_(net_log) { |
| 76 } | 85 } |
| 77 | 86 |
| 78 CacheCreator::~CacheCreator() { | 87 CacheCreator::~CacheCreator() { |
| 79 } | 88 } |
| 80 | 89 |
| 81 int CacheCreator::Run() { | 90 int CacheCreator::Run() { |
| 82 #if defined(OS_ANDROID) | 91 #if defined(OS_ANDROID) |
| 83 static const bool kSimpleBackendIsDefault = true; | 92 static const bool kSimpleBackendIsDefault = true; |
| 84 #else | 93 #else |
| 85 static const bool kSimpleBackendIsDefault = false; | 94 static const bool kSimpleBackendIsDefault = false; |
| 86 #endif | 95 #endif |
| 87 if (backend_type_ == net::CACHE_BACKEND_SIMPLE || | 96 if (backend_type_ == net::CACHE_BACKEND_SIMPLE || |
| 88 (backend_type_ == net::CACHE_BACKEND_DEFAULT && | 97 (backend_type_ == net::CACHE_BACKEND_DEFAULT && |
| 89 kSimpleBackendIsDefault)) { | 98 kSimpleBackendIsDefault)) { |
| 90 disk_cache::SimpleBackendImpl* simple_cache = | 99 disk_cache::SimpleBackendImpl* simple_cache = |
| 91 new disk_cache::SimpleBackendImpl(path_, max_bytes_, type_, | 100 new disk_cache::SimpleBackendImpl( |
| 92 thread_.get(), net_log_); | 101 path_, max_bytes_, type_, thread_.get(), net_log_); |
| 93 created_cache_.reset(simple_cache); | 102 created_cache_.reset(simple_cache); |
| 94 return simple_cache->Init( | 103 return simple_cache->Init( |
| 95 base::Bind(&CacheCreator::OnIOComplete, base::Unretained(this))); | 104 base::Bind(&CacheCreator::OnIOComplete, base::Unretained(this))); |
| 96 } | 105 } |
| 97 | 106 |
| 98 // Avoid references to blockfile functions on Android to reduce binary size. | 107 // Avoid references to blockfile functions on Android to reduce binary size. |
| 99 #if defined(OS_ANDROID) | 108 #if defined(OS_ANDROID) |
| 100 return net::ERR_FAILED; | 109 return net::ERR_FAILED; |
| 101 #else | 110 #else |
| 102 disk_cache::BackendImpl* new_cache = | 111 disk_cache::BackendImpl* new_cache = |
| 103 new disk_cache::BackendImpl(path_, thread_.get(), net_log_); | 112 new disk_cache::BackendImpl(path_, thread_.get(), net_log_); |
| 104 created_cache_.reset(new_cache); | 113 created_cache_.reset(new_cache); |
| 105 new_cache->SetMaxSize(max_bytes_); | 114 new_cache->SetMaxSize(max_bytes_); |
| 106 new_cache->SetType(type_); | 115 new_cache->SetType(type_); |
| 107 new_cache->SetFlags(flags_); | 116 new_cache->SetFlags(flags_); |
| 108 int rv = new_cache->Init( | 117 int rv = new_cache->Init( |
| 109 base::Bind(&CacheCreator::OnIOComplete, base::Unretained(this))); | 118 base::Bind(&CacheCreator::OnIOComplete, base::Unretained(this))); |
| 110 DCHECK_EQ(net::ERR_IO_PENDING, rv); | 119 DCHECK_EQ(net::ERR_IO_PENDING, rv); |
| 111 return rv; | 120 return rv; |
| 112 #endif | 121 #endif |
| 113 } | 122 } |
| 114 | 123 |
| 115 void CacheCreator::DoCallback(int result) { | 124 void CacheCreator::DoCallback(int result) { |
| 116 DCHECK_NE(net::ERR_IO_PENDING, result); | 125 DCHECK_NE(net::ERR_IO_PENDING, result); |
| 117 if (result == net::OK) { | 126 if (result == net::OK) { |
| 118 #ifndef USE_TRACING_CACHE_BACKEND | 127 #ifndef USE_TRACING_CACHE_BACKEND |
| 119 *backend_ = created_cache_.Pass(); | 128 *backend_ = created_cache_.Pass(); |
| 120 #else | 129 #else |
| 121 *backend_.reset( | 130 *backend_.reset(new disk_cache::TracingCacheBackend(created_cache_.Pass())); |
| 122 new disk_cache::TracingCacheBackend(created_cache_.Pass())); | |
| 123 #endif | 131 #endif |
| 124 } else { | 132 } else { |
| 125 LOG(ERROR) << "Unable to create cache"; | 133 LOG(ERROR) << "Unable to create cache"; |
| 126 created_cache_.reset(); | 134 created_cache_.reset(); |
| 127 } | 135 } |
| 128 callback_.Run(result); | 136 callback_.Run(result); |
| 129 delete this; | 137 delete this; |
| 130 } | 138 } |
| 131 | 139 |
| 132 // If the initialization of the cache fails, and |force| is true, we will | 140 // If the initialization of the cache fails, and |force| is true, we will |
| (...skipping 16 matching lines...) Expand all Loading... |
| 149 } | 157 } |
| 150 | 158 |
| 151 } // namespace | 159 } // namespace |
| 152 | 160 |
| 153 namespace disk_cache { | 161 namespace disk_cache { |
| 154 | 162 |
| 155 int CreateCacheBackend(net::CacheType type, | 163 int CreateCacheBackend(net::CacheType type, |
| 156 net::BackendType backend_type, | 164 net::BackendType backend_type, |
| 157 const base::FilePath& path, | 165 const base::FilePath& path, |
| 158 int max_bytes, | 166 int max_bytes, |
| 159 bool force, base::MessageLoopProxy* thread, | 167 bool force, |
| 160 net::NetLog* net_log, scoped_ptr<Backend>* backend, | 168 base::MessageLoopProxy* thread, |
| 169 net::NetLog* net_log, |
| 170 scoped_ptr<Backend>* backend, |
| 161 const net::CompletionCallback& callback) { | 171 const net::CompletionCallback& callback) { |
| 162 DCHECK(!callback.is_null()); | 172 DCHECK(!callback.is_null()); |
| 163 if (type == net::MEMORY_CACHE) { | 173 if (type == net::MEMORY_CACHE) { |
| 164 *backend = disk_cache::MemBackendImpl::CreateBackend(max_bytes, net_log); | 174 *backend = disk_cache::MemBackendImpl::CreateBackend(max_bytes, net_log); |
| 165 return *backend ? net::OK : net::ERR_FAILED; | 175 return *backend ? net::OK : net::ERR_FAILED; |
| 166 } | 176 } |
| 167 DCHECK(thread); | 177 DCHECK(thread); |
| 168 CacheCreator* creator = new CacheCreator(path, force, max_bytes, type, | 178 CacheCreator* creator = new CacheCreator(path, |
| 169 backend_type, kNone, | 179 force, |
| 170 thread, net_log, backend, callback); | 180 max_bytes, |
| 181 type, |
| 182 backend_type, |
| 183 kNone, |
| 184 thread, |
| 185 net_log, |
| 186 backend, |
| 187 callback); |
| 171 return creator->Run(); | 188 return creator->Run(); |
| 172 } | 189 } |
| 173 | 190 |
| 174 } // namespace disk_cache | 191 } // namespace disk_cache |
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