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| 1 // Copyright 2014 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 #include "sync/sessions/model_type_registry.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <utility> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "base/memory/ptr_util.h" | |
| 13 #include "base/observer_list.h" | |
| 14 #include "base/threading/thread_task_runner_handle.h" | |
| 15 #include "sync/engine/commit_queue.h" | |
| 16 #include "sync/engine/directory_commit_contributor.h" | |
| 17 #include "sync/engine/directory_update_handler.h" | |
| 18 #include "sync/engine/model_type_worker.h" | |
| 19 #include "sync/internal_api/public/activation_context.h" | |
| 20 #include "sync/internal_api/public/model_type_processor.h" | |
| 21 #include "sync/sessions/directory_type_debug_info_emitter.h" | |
| 22 #include "sync/util/cryptographer.h" | |
| 23 | |
| 24 namespace syncer { | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 class CommitQueueProxy : public syncer_v2::CommitQueue { | |
| 29 public: | |
| 30 CommitQueueProxy(const base::WeakPtr<syncer_v2::ModelTypeWorker>& worker, | |
| 31 const scoped_refptr<base::SequencedTaskRunner>& sync_thread); | |
| 32 ~CommitQueueProxy() override; | |
| 33 | |
| 34 void EnqueueForCommit(const syncer_v2::CommitRequestDataList& list) override; | |
| 35 | |
| 36 private: | |
| 37 base::WeakPtr<syncer_v2::ModelTypeWorker> worker_; | |
| 38 scoped_refptr<base::SequencedTaskRunner> sync_thread_; | |
| 39 }; | |
| 40 | |
| 41 CommitQueueProxy::CommitQueueProxy( | |
| 42 const base::WeakPtr<syncer_v2::ModelTypeWorker>& worker, | |
| 43 const scoped_refptr<base::SequencedTaskRunner>& sync_thread) | |
| 44 : worker_(worker), sync_thread_(sync_thread) {} | |
| 45 | |
| 46 CommitQueueProxy::~CommitQueueProxy() {} | |
| 47 | |
| 48 void CommitQueueProxy::EnqueueForCommit( | |
| 49 const syncer_v2::CommitRequestDataList& list) { | |
| 50 sync_thread_->PostTask( | |
| 51 FROM_HERE, | |
| 52 base::Bind(&syncer_v2::ModelTypeWorker::EnqueueForCommit, worker_, list)); | |
| 53 } | |
| 54 | |
| 55 } // namespace | |
| 56 | |
| 57 ModelTypeRegistry::ModelTypeRegistry( | |
| 58 const std::vector<scoped_refptr<ModelSafeWorker> >& workers, | |
| 59 syncable::Directory* directory, | |
| 60 NudgeHandler* nudge_handler) | |
| 61 : directory_(directory), | |
| 62 nudge_handler_(nudge_handler), | |
| 63 weak_ptr_factory_(this) { | |
| 64 for (size_t i = 0u; i < workers.size(); ++i) { | |
| 65 workers_map_.insert( | |
| 66 std::make_pair(workers[i]->GetModelSafeGroup(), workers[i])); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 ModelTypeRegistry::~ModelTypeRegistry() { | |
| 71 } | |
| 72 | |
| 73 void ModelTypeRegistry::SetEnabledDirectoryTypes( | |
| 74 const ModelSafeRoutingInfo& routing_info) { | |
| 75 // Remove all existing directory processors and delete them. The | |
| 76 // DebugInfoEmitters are not deleted here, since we want to preserve their | |
| 77 // counters. | |
| 78 for (ModelTypeSet::Iterator it = enabled_directory_types_.First(); | |
| 79 it.Good(); it.Inc()) { | |
| 80 size_t result1 = update_handler_map_.erase(it.Get()); | |
| 81 size_t result2 = commit_contributor_map_.erase(it.Get()); | |
| 82 DCHECK_EQ(1U, result1); | |
| 83 DCHECK_EQ(1U, result2); | |
| 84 } | |
| 85 | |
| 86 // Clear the old instances of directory update handlers and commit | |
| 87 // contributors, deleting their contents in the processs. | |
| 88 directory_update_handlers_.clear(); | |
| 89 directory_commit_contributors_.clear(); | |
| 90 | |
| 91 enabled_directory_types_.Clear(); | |
| 92 | |
| 93 // Create new ones and add them to the appropriate containers. | |
| 94 for (ModelSafeRoutingInfo::const_iterator routing_iter = routing_info.begin(); | |
| 95 routing_iter != routing_info.end(); ++routing_iter) { | |
| 96 ModelType type = routing_iter->first; | |
| 97 ModelSafeGroup group = routing_iter->second; | |
| 98 if (group == GROUP_NON_BLOCKING) | |
| 99 continue; | |
| 100 std::map<ModelSafeGroup, scoped_refptr<ModelSafeWorker> >::iterator | |
| 101 worker_it = workers_map_.find(group); | |
| 102 DCHECK(worker_it != workers_map_.end()); | |
| 103 scoped_refptr<ModelSafeWorker> worker = worker_it->second; | |
| 104 | |
| 105 // DebugInfoEmitters are never deleted. Use existing one if we have it. | |
| 106 DirectoryTypeDebugInfoEmitter* emitter = NULL; | |
| 107 DirectoryTypeDebugInfoEmitterMap::iterator it = | |
| 108 directory_type_debug_info_emitter_map_.find(type); | |
| 109 if (it != directory_type_debug_info_emitter_map_.end()) { | |
| 110 emitter = it->second; | |
| 111 } else { | |
| 112 emitter = new DirectoryTypeDebugInfoEmitter(directory_, type, | |
| 113 &type_debug_info_observers_); | |
| 114 directory_type_debug_info_emitter_map_.insert( | |
| 115 std::make_pair(type, emitter)); | |
| 116 directory_type_debug_info_emitters_.push_back(emitter); | |
| 117 } | |
| 118 | |
| 119 DirectoryCommitContributor* committer = | |
| 120 new DirectoryCommitContributor(directory_, type, emitter); | |
| 121 DirectoryUpdateHandler* updater = | |
| 122 new DirectoryUpdateHandler(directory_, type, worker, emitter); | |
| 123 | |
| 124 // These containers take ownership of their contents. | |
| 125 directory_commit_contributors_.push_back(committer); | |
| 126 directory_update_handlers_.push_back(updater); | |
| 127 | |
| 128 bool inserted1 = | |
| 129 update_handler_map_.insert(std::make_pair(type, updater)).second; | |
| 130 DCHECK(inserted1) << "Attempt to override existing type handler in map"; | |
| 131 | |
| 132 bool inserted2 = | |
| 133 commit_contributor_map_.insert(std::make_pair(type, committer)).second; | |
| 134 DCHECK(inserted2) << "Attempt to override existing type handler in map"; | |
| 135 enabled_directory_types_.Put(type); | |
| 136 } | |
| 137 | |
| 138 DCHECK(Intersection(GetEnabledDirectoryTypes(), | |
| 139 GetEnabledNonBlockingTypes()).Empty()); | |
| 140 } | |
| 141 | |
| 142 void ModelTypeRegistry::ConnectType( | |
| 143 ModelType type, | |
| 144 std::unique_ptr<syncer_v2::ActivationContext> activation_context) { | |
| 145 DVLOG(1) << "Enabling an off-thread sync type: " << ModelTypeToString(type); | |
| 146 | |
| 147 // Initialize Worker -> Processor communication channel. | |
| 148 syncer_v2::ModelTypeProcessor* type_processor = | |
| 149 activation_context->type_processor.get(); | |
| 150 | |
| 151 std::unique_ptr<Cryptographer> cryptographer_copy; | |
| 152 if (encrypted_types_.Has(type)) | |
| 153 cryptographer_copy.reset(new Cryptographer(*cryptographer_)); | |
| 154 | |
| 155 std::unique_ptr<syncer_v2::ModelTypeWorker> worker( | |
| 156 new syncer_v2::ModelTypeWorker( | |
| 157 type, activation_context->data_type_state, | |
| 158 std::move(cryptographer_copy), nudge_handler_, | |
| 159 std::move(activation_context->type_processor))); | |
| 160 | |
| 161 // Initialize Processor -> Worker communication channel. | |
| 162 std::unique_ptr<syncer_v2::CommitQueue> commit_queue_proxy( | |
| 163 new CommitQueueProxy(worker->AsWeakPtr(), | |
| 164 scoped_refptr<base::SequencedTaskRunner>( | |
| 165 base::ThreadTaskRunnerHandle::Get()))); | |
| 166 | |
| 167 type_processor->ConnectSync(std::move(commit_queue_proxy)); | |
| 168 | |
| 169 DCHECK(update_handler_map_.find(type) == update_handler_map_.end()); | |
| 170 DCHECK(commit_contributor_map_.find(type) == commit_contributor_map_.end()); | |
| 171 | |
| 172 update_handler_map_.insert(std::make_pair(type, worker.get())); | |
| 173 commit_contributor_map_.insert(std::make_pair(type, worker.get())); | |
| 174 | |
| 175 // The container takes ownership. | |
| 176 model_type_workers_.push_back(std::move(worker)); | |
| 177 | |
| 178 DCHECK(Intersection(GetEnabledDirectoryTypes(), | |
| 179 GetEnabledNonBlockingTypes()).Empty()); | |
| 180 } | |
| 181 | |
| 182 void ModelTypeRegistry::DisconnectType(ModelType type) { | |
| 183 DVLOG(1) << "Disabling an off-thread sync type: " << ModelTypeToString(type); | |
| 184 DCHECK(update_handler_map_.find(type) != update_handler_map_.end()); | |
| 185 DCHECK(commit_contributor_map_.find(type) != commit_contributor_map_.end()); | |
| 186 | |
| 187 size_t updaters_erased = update_handler_map_.erase(type); | |
| 188 size_t committers_erased = commit_contributor_map_.erase(type); | |
| 189 | |
| 190 DCHECK_EQ(1U, updaters_erased); | |
| 191 DCHECK_EQ(1U, committers_erased); | |
| 192 | |
| 193 // Remove from the ScopedVector, deleting the worker in the process. | |
| 194 for (ScopedVector<syncer_v2::ModelTypeWorker>::iterator it = | |
| 195 model_type_workers_.begin(); | |
| 196 it != model_type_workers_.end(); ++it) { | |
| 197 if ((*it)->GetModelType() == type) { | |
| 198 model_type_workers_.erase(it); | |
| 199 break; | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 ModelTypeSet ModelTypeRegistry::GetEnabledTypes() const { | |
| 205 return Union(GetEnabledDirectoryTypes(), GetEnabledNonBlockingTypes()); | |
| 206 } | |
| 207 | |
| 208 ModelTypeSet ModelTypeRegistry::GetInitialSyncEndedTypes() const { | |
| 209 // TODO(pavely): GetInitialSyncEndedTypes is queried at the end of sync | |
| 210 // manager initialization when update handlers aren't set up yet. Returning | |
| 211 // correct set of types is important because otherwise data for al types will | |
| 212 // be redownloaded during configuration. For now let's return union of types | |
| 213 // reported by directory and types reported by update handlers. We need to | |
| 214 // refactor initialization and configuratrion flow to be able to only query | |
| 215 // this set from update handlers. | |
| 216 ModelTypeSet result = directory_->InitialSyncEndedTypes(); | |
| 217 for (const auto& kv : update_handler_map_) { | |
| 218 if (kv.second->IsInitialSyncEnded()) | |
| 219 result.Put(kv.first); | |
| 220 } | |
| 221 return result; | |
| 222 } | |
| 223 | |
| 224 UpdateHandlerMap* ModelTypeRegistry::update_handler_map() { | |
| 225 return &update_handler_map_; | |
| 226 } | |
| 227 | |
| 228 CommitContributorMap* ModelTypeRegistry::commit_contributor_map() { | |
| 229 return &commit_contributor_map_; | |
| 230 } | |
| 231 | |
| 232 DirectoryTypeDebugInfoEmitterMap* | |
| 233 ModelTypeRegistry::directory_type_debug_info_emitter_map() { | |
| 234 return &directory_type_debug_info_emitter_map_; | |
| 235 } | |
| 236 | |
| 237 void ModelTypeRegistry::RegisterDirectoryTypeDebugInfoObserver( | |
| 238 syncer::TypeDebugInfoObserver* observer) { | |
| 239 if (!type_debug_info_observers_.HasObserver(observer)) | |
| 240 type_debug_info_observers_.AddObserver(observer); | |
| 241 } | |
| 242 | |
| 243 void ModelTypeRegistry::UnregisterDirectoryTypeDebugInfoObserver( | |
| 244 syncer::TypeDebugInfoObserver* observer) { | |
| 245 type_debug_info_observers_.RemoveObserver(observer); | |
| 246 } | |
| 247 | |
| 248 bool ModelTypeRegistry::HasDirectoryTypeDebugInfoObserver( | |
| 249 const syncer::TypeDebugInfoObserver* observer) const { | |
| 250 return type_debug_info_observers_.HasObserver(observer); | |
| 251 } | |
| 252 | |
| 253 void ModelTypeRegistry::RequestEmitDebugInfo() { | |
| 254 for (DirectoryTypeDebugInfoEmitterMap::iterator it = | |
| 255 directory_type_debug_info_emitter_map_.begin(); | |
| 256 it != directory_type_debug_info_emitter_map_.end(); ++it) { | |
| 257 it->second->EmitCommitCountersUpdate(); | |
| 258 it->second->EmitUpdateCountersUpdate(); | |
| 259 it->second->EmitStatusCountersUpdate(); | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 base::WeakPtr<syncer_v2::ModelTypeConnector> ModelTypeRegistry::AsWeakPtr() { | |
| 264 return weak_ptr_factory_.GetWeakPtr(); | |
| 265 } | |
| 266 | |
| 267 void ModelTypeRegistry::OnPassphraseRequired( | |
| 268 PassphraseRequiredReason reason, | |
| 269 const sync_pb::EncryptedData& pending_keys) { | |
| 270 } | |
| 271 | |
| 272 void ModelTypeRegistry::OnPassphraseAccepted() { | |
| 273 } | |
| 274 | |
| 275 void ModelTypeRegistry::OnBootstrapTokenUpdated( | |
| 276 const std::string& bootstrap_token, | |
| 277 BootstrapTokenType type) { | |
| 278 } | |
| 279 | |
| 280 void ModelTypeRegistry::OnEncryptedTypesChanged(ModelTypeSet encrypted_types, | |
| 281 bool encrypt_everything) { | |
| 282 encrypted_types_ = encrypted_types; | |
| 283 OnEncryptionStateChanged(); | |
| 284 } | |
| 285 | |
| 286 void ModelTypeRegistry::OnEncryptionComplete() { | |
| 287 } | |
| 288 | |
| 289 void ModelTypeRegistry::OnCryptographerStateChanged( | |
| 290 Cryptographer* cryptographer) { | |
| 291 cryptographer_.reset(new Cryptographer(*cryptographer)); | |
| 292 OnEncryptionStateChanged(); | |
| 293 } | |
| 294 | |
| 295 void ModelTypeRegistry::OnPassphraseTypeChanged(PassphraseType type, | |
| 296 base::Time passphrase_time) { | |
| 297 } | |
| 298 | |
| 299 void ModelTypeRegistry::OnLocalSetPassphraseEncryption( | |
| 300 const SyncEncryptionHandler::NigoriState& nigori_state) { | |
| 301 } | |
| 302 | |
| 303 ModelTypeSet ModelTypeRegistry::GetEnabledDirectoryTypes() const { | |
| 304 return enabled_directory_types_; | |
| 305 } | |
| 306 | |
| 307 void ModelTypeRegistry::OnEncryptionStateChanged() { | |
| 308 for (ScopedVector<syncer_v2::ModelTypeWorker>::iterator it = | |
| 309 model_type_workers_.begin(); | |
| 310 it != model_type_workers_.end(); ++it) { | |
| 311 if (encrypted_types_.Has((*it)->GetModelType())) { | |
| 312 (*it)->UpdateCryptographer( | |
| 313 base::WrapUnique(new Cryptographer(*cryptographer_))); | |
| 314 } | |
| 315 } | |
| 316 } | |
| 317 | |
| 318 ModelTypeSet ModelTypeRegistry::GetEnabledNonBlockingTypes() const { | |
| 319 ModelTypeSet enabled_non_blocking_types; | |
| 320 for (ScopedVector<syncer_v2::ModelTypeWorker>::const_iterator it = | |
| 321 model_type_workers_.begin(); | |
| 322 it != model_type_workers_.end(); ++it) { | |
| 323 enabled_non_blocking_types.Put((*it)->GetModelType()); | |
| 324 } | |
| 325 return enabled_non_blocking_types; | |
| 326 } | |
| 327 | |
| 328 } // namespace syncer | |
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Chromium Code Reviews
Issue 2130453004:
[Sync] Move //sync to //components/sync. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master