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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 "components/invalidation/non_blocking_invalidator.h" | |
6 | |
7 #include <cstddef> | |
8 | |
9 #include "base/location.h" | |
10 #include "base/logging.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/profiler/scoped_tracker.h" | |
13 #include "base/single_thread_task_runner.h" | |
14 #include "base/thread_task_runner_handle.h" | |
15 #include "base/threading/thread.h" | |
16 #include "components/invalidation/gcm_network_channel_delegate.h" | |
17 #include "components/invalidation/invalidation_handler.h" | |
18 #include "components/invalidation/invalidation_notifier.h" | |
19 #include "components/invalidation/object_id_invalidation_map.h" | |
20 #include "components/invalidation/sync_system_resources.h" | |
21 #include "jingle/notifier/listener/push_client.h" | |
22 | |
23 namespace syncer { | |
24 | |
25 struct NonBlockingInvalidator::InitializeOptions { | |
26 InitializeOptions( | |
27 NetworkChannelCreator network_channel_creator, | |
28 const std::string& invalidator_client_id, | |
29 const UnackedInvalidationsMap& saved_invalidations, | |
30 const std::string& invalidation_bootstrap_data, | |
31 const base::WeakPtr<InvalidationStateTracker>& invalidation_state_tracker, | |
32 const scoped_refptr<base::SingleThreadTaskRunner>& | |
33 invalidation_state_tracker_task_runner, | |
34 const std::string& client_info, | |
35 scoped_refptr<net::URLRequestContextGetter> request_context_getter) | |
36 : network_channel_creator(network_channel_creator), | |
37 invalidator_client_id(invalidator_client_id), | |
38 saved_invalidations(saved_invalidations), | |
39 invalidation_bootstrap_data(invalidation_bootstrap_data), | |
40 invalidation_state_tracker(invalidation_state_tracker), | |
41 invalidation_state_tracker_task_runner( | |
42 invalidation_state_tracker_task_runner), | |
43 client_info(client_info), | |
44 request_context_getter(request_context_getter) {} | |
45 | |
46 NetworkChannelCreator network_channel_creator; | |
47 std::string invalidator_client_id; | |
48 UnackedInvalidationsMap saved_invalidations; | |
49 std::string invalidation_bootstrap_data; | |
50 base::WeakPtr<InvalidationStateTracker> invalidation_state_tracker; | |
51 scoped_refptr<base::SingleThreadTaskRunner> | |
52 invalidation_state_tracker_task_runner; | |
53 std::string client_info; | |
54 scoped_refptr<net::URLRequestContextGetter> request_context_getter; | |
55 }; | |
56 | |
57 namespace { | |
58 // This class provides a wrapper for a logging class in order to receive | |
59 // callbacks across threads, without having to worry about owner threads. | |
60 class CallbackProxy { | |
61 public: | |
62 explicit CallbackProxy( | |
63 base::Callback<void(const base::DictionaryValue&)> callback); | |
64 ~CallbackProxy(); | |
65 | |
66 void Run(const base::DictionaryValue& value); | |
67 | |
68 private: | |
69 static void DoRun(base::Callback<void(const base::DictionaryValue&)> callback, | |
70 scoped_ptr<base::DictionaryValue> value); | |
71 | |
72 base::Callback<void(const base::DictionaryValue&)> callback_; | |
73 scoped_refptr<base::SingleThreadTaskRunner> running_thread_; | |
74 | |
75 DISALLOW_COPY_AND_ASSIGN(CallbackProxy); | |
76 }; | |
77 | |
78 CallbackProxy::CallbackProxy( | |
79 base::Callback<void(const base::DictionaryValue&)> callback) | |
80 : callback_(callback), | |
81 running_thread_(base::ThreadTaskRunnerHandle::Get()) {} | |
82 | |
83 CallbackProxy::~CallbackProxy() {} | |
84 | |
85 void CallbackProxy::DoRun( | |
86 base::Callback<void(const base::DictionaryValue&)> callback, | |
87 scoped_ptr<base::DictionaryValue> value) { | |
88 callback.Run(*value); | |
89 } | |
90 | |
91 void CallbackProxy::Run(const base::DictionaryValue& value) { | |
92 scoped_ptr<base::DictionaryValue> copied(value.DeepCopy()); | |
93 running_thread_->PostTask( | |
94 FROM_HERE, | |
95 base::Bind(&CallbackProxy::DoRun, callback_, base::Passed(&copied))); | |
96 } | |
97 } | |
98 | |
99 class NonBlockingInvalidator::Core | |
100 : public base::RefCountedThreadSafe<NonBlockingInvalidator::Core>, | |
101 // InvalidationHandler to observe the InvalidationNotifier we create. | |
102 public InvalidationHandler { | |
103 public: | |
104 // Called on parent thread. |delegate_observer| should be initialized. | |
105 Core(const base::WeakPtr<NonBlockingInvalidator>& delegate_observer, | |
106 const scoped_refptr<base::SingleThreadTaskRunner>& | |
107 delegate_observer_task_runner); | |
108 | |
109 // Helpers called on I/O thread. | |
110 void Initialize( | |
111 const NonBlockingInvalidator::InitializeOptions& initialize_options); | |
112 void Teardown(); | |
113 void UpdateRegisteredIds(const ObjectIdSet& ids); | |
114 void UpdateCredentials(const std::string& email, const std::string& token); | |
115 void RequestDetailedStatus( | |
116 base::Callback<void(const base::DictionaryValue&)> callback) const; | |
117 | |
118 // InvalidationHandler implementation (all called on I/O thread by | |
119 // InvalidationNotifier). | |
120 void OnInvalidatorStateChange(InvalidatorState reason) override; | |
121 void OnIncomingInvalidation( | |
122 const ObjectIdInvalidationMap& invalidation_map) override; | |
123 std::string GetOwnerName() const override; | |
124 | |
125 private: | |
126 friend class | |
127 base::RefCountedThreadSafe<NonBlockingInvalidator::Core>; | |
128 // Called on parent or I/O thread. | |
129 ~Core() override; | |
130 | |
131 // The variables below should be used only on the I/O thread. | |
132 const base::WeakPtr<NonBlockingInvalidator> delegate_observer_; | |
133 scoped_refptr<base::SingleThreadTaskRunner> delegate_observer_task_runner_; | |
134 scoped_ptr<InvalidationNotifier> invalidation_notifier_; | |
135 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_; | |
136 | |
137 DISALLOW_COPY_AND_ASSIGN(Core); | |
138 }; | |
139 | |
140 NonBlockingInvalidator::Core::Core( | |
141 const base::WeakPtr<NonBlockingInvalidator>& delegate_observer, | |
142 const scoped_refptr<base::SingleThreadTaskRunner>& | |
143 delegate_observer_task_runner) | |
144 : delegate_observer_(delegate_observer), | |
145 delegate_observer_task_runner_(delegate_observer_task_runner) { | |
146 DCHECK(delegate_observer_); | |
147 DCHECK(delegate_observer_task_runner_.get()); | |
148 } | |
149 | |
150 NonBlockingInvalidator::Core::~Core() { | |
151 } | |
152 | |
153 void NonBlockingInvalidator::Core::Initialize( | |
154 const NonBlockingInvalidator::InitializeOptions& initialize_options) { | |
155 DCHECK(initialize_options.request_context_getter.get()); | |
156 network_task_runner_ = | |
157 initialize_options.request_context_getter->GetNetworkTaskRunner(); | |
158 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
159 scoped_ptr<SyncNetworkChannel> network_channel = | |
160 initialize_options.network_channel_creator.Run(); | |
161 invalidation_notifier_.reset(new InvalidationNotifier( | |
162 network_channel.Pass(), | |
163 initialize_options.invalidator_client_id, | |
164 initialize_options.saved_invalidations, | |
165 initialize_options.invalidation_bootstrap_data, | |
166 initialize_options.invalidation_state_tracker, | |
167 initialize_options.invalidation_state_tracker_task_runner, | |
168 initialize_options.client_info)); | |
169 invalidation_notifier_->RegisterHandler(this); | |
170 } | |
171 | |
172 void NonBlockingInvalidator::Core::Teardown() { | |
173 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
174 invalidation_notifier_->UnregisterHandler(this); | |
175 invalidation_notifier_.reset(); | |
176 network_task_runner_ = NULL; | |
177 } | |
178 | |
179 void NonBlockingInvalidator::Core::UpdateRegisteredIds(const ObjectIdSet& ids) { | |
180 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
181 invalidation_notifier_->UpdateRegisteredIds(this, ids); | |
182 } | |
183 | |
184 void NonBlockingInvalidator::Core::UpdateCredentials(const std::string& email, | |
185 const std::string& token) { | |
186 // TODO(pkasting): Remove ScopedTracker below once crbug.com/477117 is fixed. | |
187 tracked_objects::ScopedTracker tracking_profile( | |
188 FROM_HERE_WITH_EXPLICIT_FUNCTION( | |
189 "477117 NonBlockingInvalidator::Core::UpdateCredentials")); | |
190 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
191 invalidation_notifier_->UpdateCredentials(email, token); | |
192 } | |
193 | |
194 void NonBlockingInvalidator::Core::RequestDetailedStatus( | |
195 base::Callback<void(const base::DictionaryValue&)> callback) const { | |
196 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
197 invalidation_notifier_->RequestDetailedStatus(callback); | |
198 } | |
199 | |
200 void NonBlockingInvalidator::Core::OnInvalidatorStateChange( | |
201 InvalidatorState reason) { | |
202 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
203 delegate_observer_task_runner_->PostTask( | |
204 FROM_HERE, | |
205 base::Bind(&NonBlockingInvalidator::OnInvalidatorStateChange, | |
206 delegate_observer_, | |
207 reason)); | |
208 } | |
209 | |
210 void NonBlockingInvalidator::Core::OnIncomingInvalidation( | |
211 const ObjectIdInvalidationMap& invalidation_map) { | |
212 DCHECK(network_task_runner_->BelongsToCurrentThread()); | |
213 delegate_observer_task_runner_->PostTask( | |
214 FROM_HERE, | |
215 base::Bind(&NonBlockingInvalidator::OnIncomingInvalidation, | |
216 delegate_observer_, | |
217 invalidation_map)); | |
218 } | |
219 | |
220 std::string NonBlockingInvalidator::Core::GetOwnerName() const { | |
221 return "Sync"; | |
222 } | |
223 | |
224 NonBlockingInvalidator::NonBlockingInvalidator( | |
225 NetworkChannelCreator network_channel_creator, | |
226 const std::string& invalidator_client_id, | |
227 const UnackedInvalidationsMap& saved_invalidations, | |
228 const std::string& invalidation_bootstrap_data, | |
229 InvalidationStateTracker* invalidation_state_tracker, | |
230 const std::string& client_info, | |
231 const scoped_refptr<net::URLRequestContextGetter>& request_context_getter) | |
232 : invalidation_state_tracker_(invalidation_state_tracker), | |
233 parent_task_runner_(base::ThreadTaskRunnerHandle::Get()), | |
234 network_task_runner_(request_context_getter->GetNetworkTaskRunner()), | |
235 weak_ptr_factory_(this) { | |
236 base::WeakPtr<NonBlockingInvalidator> weak_ptr_this = | |
237 weak_ptr_factory_.GetWeakPtr(); | |
238 weak_ptr_this.get(); // Bind to this thread. | |
239 | |
240 core_ = new Core(weak_ptr_this, base::ThreadTaskRunnerHandle::Get()); | |
241 | |
242 InitializeOptions initialize_options( | |
243 network_channel_creator, invalidator_client_id, saved_invalidations, | |
244 invalidation_bootstrap_data, weak_ptr_this, | |
245 base::ThreadTaskRunnerHandle::Get(), client_info, request_context_getter); | |
246 | |
247 if (!network_task_runner_->PostTask( | |
248 FROM_HERE, | |
249 base::Bind( | |
250 &NonBlockingInvalidator::Core::Initialize, | |
251 core_.get(), | |
252 initialize_options))) { | |
253 NOTREACHED(); | |
254 } | |
255 } | |
256 | |
257 NonBlockingInvalidator::~NonBlockingInvalidator() { | |
258 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
259 if (!network_task_runner_->PostTask( | |
260 FROM_HERE, | |
261 base::Bind(&NonBlockingInvalidator::Core::Teardown, | |
262 core_.get()))) { | |
263 DVLOG(1) << "Network thread stopped before invalidator is destroyed."; | |
264 } | |
265 } | |
266 | |
267 void NonBlockingInvalidator::RegisterHandler(InvalidationHandler* handler) { | |
268 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
269 registrar_.RegisterHandler(handler); | |
270 } | |
271 | |
272 bool NonBlockingInvalidator::UpdateRegisteredIds(InvalidationHandler* handler, | |
273 const ObjectIdSet& ids) { | |
274 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
275 if (!registrar_.UpdateRegisteredIds(handler, ids)) | |
276 return false; | |
277 if (!network_task_runner_->PostTask( | |
278 FROM_HERE, | |
279 base::Bind( | |
280 &NonBlockingInvalidator::Core::UpdateRegisteredIds, | |
281 core_.get(), | |
282 registrar_.GetAllRegisteredIds()))) { | |
283 NOTREACHED(); | |
284 } | |
285 return true; | |
286 } | |
287 | |
288 void NonBlockingInvalidator::UnregisterHandler(InvalidationHandler* handler) { | |
289 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
290 registrar_.UnregisterHandler(handler); | |
291 } | |
292 | |
293 InvalidatorState NonBlockingInvalidator::GetInvalidatorState() const { | |
294 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
295 return registrar_.GetInvalidatorState(); | |
296 } | |
297 | |
298 void NonBlockingInvalidator::UpdateCredentials(const std::string& email, | |
299 const std::string& token) { | |
300 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
301 if (!network_task_runner_->PostTask( | |
302 FROM_HERE, | |
303 base::Bind(&NonBlockingInvalidator::Core::UpdateCredentials, | |
304 core_.get(), email, token))) { | |
305 NOTREACHED(); | |
306 } | |
307 } | |
308 | |
309 void NonBlockingInvalidator::RequestDetailedStatus( | |
310 base::Callback<void(const base::DictionaryValue&)> callback) const { | |
311 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
312 base::Callback<void(const base::DictionaryValue&)> proxy_callback = | |
313 base::Bind(&CallbackProxy::Run, base::Owned(new CallbackProxy(callback))); | |
314 if (!network_task_runner_->PostTask( | |
315 FROM_HERE, | |
316 base::Bind(&NonBlockingInvalidator::Core::RequestDetailedStatus, | |
317 core_.get(), | |
318 proxy_callback))) { | |
319 NOTREACHED(); | |
320 } | |
321 } | |
322 | |
323 NetworkChannelCreator | |
324 NonBlockingInvalidator::MakePushClientChannelCreator( | |
325 const notifier::NotifierOptions& notifier_options) { | |
326 return base::Bind(SyncNetworkChannel::CreatePushClientChannel, | |
327 notifier_options); | |
328 } | |
329 | |
330 NetworkChannelCreator NonBlockingInvalidator::MakeGCMNetworkChannelCreator( | |
331 scoped_refptr<net::URLRequestContextGetter> request_context_getter, | |
332 scoped_ptr<GCMNetworkChannelDelegate> delegate) { | |
333 return base::Bind(&SyncNetworkChannel::CreateGCMNetworkChannel, | |
334 request_context_getter, | |
335 base::Passed(&delegate)); | |
336 } | |
337 | |
338 void NonBlockingInvalidator::ClearAndSetNewClientId(const std::string& data) { | |
339 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
340 invalidation_state_tracker_->ClearAndSetNewClientId(data); | |
341 } | |
342 | |
343 std::string NonBlockingInvalidator::GetInvalidatorClientId() const { | |
344 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
345 return invalidation_state_tracker_->GetInvalidatorClientId(); | |
346 } | |
347 | |
348 void NonBlockingInvalidator::SetBootstrapData(const std::string& data) { | |
349 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
350 invalidation_state_tracker_->SetBootstrapData(data); | |
351 } | |
352 | |
353 std::string NonBlockingInvalidator::GetBootstrapData() const { | |
354 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
355 return invalidation_state_tracker_->GetBootstrapData(); | |
356 } | |
357 | |
358 void NonBlockingInvalidator::SetSavedInvalidations( | |
359 const UnackedInvalidationsMap& states) { | |
360 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
361 invalidation_state_tracker_->SetSavedInvalidations(states); | |
362 } | |
363 | |
364 UnackedInvalidationsMap NonBlockingInvalidator::GetSavedInvalidations() const { | |
365 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
366 return invalidation_state_tracker_->GetSavedInvalidations(); | |
367 } | |
368 | |
369 void NonBlockingInvalidator::Clear() { | |
370 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
371 invalidation_state_tracker_->Clear(); | |
372 } | |
373 | |
374 void NonBlockingInvalidator::OnInvalidatorStateChange(InvalidatorState state) { | |
375 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
376 registrar_.UpdateInvalidatorState(state); | |
377 } | |
378 | |
379 void NonBlockingInvalidator::OnIncomingInvalidation( | |
380 const ObjectIdInvalidationMap& invalidation_map) { | |
381 DCHECK(parent_task_runner_->BelongsToCurrentThread()); | |
382 registrar_.DispatchInvalidationsToHandlers(invalidation_map); | |
383 } | |
384 | |
385 std::string NonBlockingInvalidator::GetOwnerName() const { return "Sync"; } | |
386 | |
387 } // namespace syncer | |
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