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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ | 5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ |
6 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ | 6 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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64 SCRIPT_EVALUATED, | 64 SCRIPT_EVALUATED, |
65 THREAD_STARTED, // Happens after SCRIPT_LOADED and before SCRIPT_EVALUATED | 65 THREAD_STARTED, // Happens after SCRIPT_LOADED and before SCRIPT_EVALUATED |
66 // Script read happens after SENT_START_WORKER and before SCRIPT_LOADED | 66 // Script read happens after SENT_START_WORKER and before SCRIPT_LOADED |
67 // (installed scripts only) | 67 // (installed scripts only) |
68 SCRIPT_READ_STARTED, | 68 SCRIPT_READ_STARTED, |
69 SCRIPT_READ_FINISHED, | 69 SCRIPT_READ_FINISHED, |
70 // Add new values here. | 70 // Add new values here. |
71 STARTING_PHASE_MAX_VALUE, | 71 STARTING_PHASE_MAX_VALUE, |
72 }; | 72 }; |
73 | 73 |
| 74 using ProviderInfoGetter = |
| 75 base::OnceCallback<mojom::ServiceWorkerProviderInfoForStartWorkerPtr( |
| 76 int /* process_id */)>; |
| 77 |
74 class Listener { | 78 class Listener { |
75 public: | 79 public: |
76 virtual ~Listener() {} | 80 virtual ~Listener() {} |
77 | 81 |
78 virtual void OnStarting() {} | 82 virtual void OnStarting() {} |
79 virtual void OnProcessAllocated() {} | 83 virtual void OnProcessAllocated() {} |
80 virtual void OnRegisteredToDevToolsManager() {} | 84 virtual void OnRegisteredToDevToolsManager() {} |
81 virtual void OnStartWorkerMessageSent() {} | 85 virtual void OnStartWorkerMessageSent() {} |
82 virtual void OnThreadStarted() {} | 86 virtual void OnThreadStarted() {} |
83 virtual void OnStarted() {} | 87 virtual void OnStarted() {} |
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101 // Returns false if the message is not handled by this listener. | 105 // Returns false if the message is not handled by this listener. |
102 CONTENT_EXPORT virtual bool OnMessageReceived(const IPC::Message& message); | 106 CONTENT_EXPORT virtual bool OnMessageReceived(const IPC::Message& message); |
103 }; | 107 }; |
104 | 108 |
105 ~EmbeddedWorkerInstance() override; | 109 ~EmbeddedWorkerInstance() override; |
106 | 110 |
107 // Starts the worker. It is invalid to call this when the worker is not in | 111 // Starts the worker. It is invalid to call this when the worker is not in |
108 // STOPPED status. |callback| is invoked after the worker script has been | 112 // STOPPED status. |callback| is invoked after the worker script has been |
109 // started and evaluated, or when an error occurs. | 113 // started and evaluated, or when an error occurs. |
110 // |params| should be populated with service worker version info needed | 114 // |params| should be populated with service worker version info needed |
111 // to start the worker. | 115 // to start the worker. |provider_info_getter| is called when this instance |
| 116 // allocates a process and is ready to send a StartWorker message. |
112 void Start(std::unique_ptr<EmbeddedWorkerStartParams> params, | 117 void Start(std::unique_ptr<EmbeddedWorkerStartParams> params, |
| 118 ProviderInfoGetter provider_info_getter, |
113 mojom::ServiceWorkerEventDispatcherRequest dispatcher_request, | 119 mojom::ServiceWorkerEventDispatcherRequest dispatcher_request, |
114 const StatusCallback& callback); | 120 const StatusCallback& callback); |
115 | 121 |
116 // Stops the worker. It is invalid to call this when the worker is | 122 // Stops the worker. It is invalid to call this when the worker is |
117 // not in STARTING or RUNNING status. | 123 // not in STARTING or RUNNING status. |
118 // This returns false when StopWorker IPC couldn't be sent to the worker. | 124 // This returns false when StopWorker IPC couldn't be sent to the worker. |
119 bool Stop(); | 125 bool Stop(); |
120 | 126 |
121 // Stops the worker if the worker is not being debugged (i.e. devtools is | 127 // Stops the worker if the worker is not being debugged (i.e. devtools is |
122 // not attached). This method is called by a stop-worker timer to kill | 128 // not attached). This method is called by a stop-worker timer to kill |
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221 | 227 |
222 // Called back from StartTask after a start worker message is sent. | 228 // Called back from StartTask after a start worker message is sent. |
223 void OnStartWorkerMessageSent(); | 229 void OnStartWorkerMessageSent(); |
224 | 230 |
225 // Implements mojom::EmbeddedWorkerInstanceHost. | 231 // Implements mojom::EmbeddedWorkerInstanceHost. |
226 // These functions all run on the IO thread. | 232 // These functions all run on the IO thread. |
227 void OnReadyForInspection() override; | 233 void OnReadyForInspection() override; |
228 void OnScriptLoaded() override; | 234 void OnScriptLoaded() override; |
229 // Notifies the corresponding provider host that the thread has started and is | 235 // Notifies the corresponding provider host that the thread has started and is |
230 // ready to receive messages. | 236 // ready to receive messages. |
231 void OnThreadStarted(int thread_id, int provider_id) override; | 237 void OnThreadStarted(int thread_id) override; |
232 void OnScriptLoadFailed() override; | 238 void OnScriptLoadFailed() override; |
233 // Fires the callback passed to Start(). | 239 // Fires the callback passed to Start(). |
234 void OnScriptEvaluated(bool success) override; | 240 void OnScriptEvaluated(bool success) override; |
235 // Changes the internal worker status from STARTING to RUNNING. | 241 // Changes the internal worker status from STARTING to RUNNING. |
236 void OnStarted() override; | 242 void OnStarted() override; |
237 // Resets the embedded worker instance to the initial state. This will change | 243 // Resets the embedded worker instance to the initial state. This will change |
238 // the internal status from STARTING or RUNNING to STOPPED. | 244 // the internal status from STARTING or RUNNING to STOPPED. |
239 void OnStopped() override; | 245 void OnStopped() override; |
240 void OnReportException(const base::string16& error_message, | 246 void OnReportException(const base::string16& error_message, |
241 int line_number, | 247 int line_number, |
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276 const int embedded_worker_id_; | 282 const int embedded_worker_id_; |
277 | 283 |
278 EmbeddedWorkerStatus status_; | 284 EmbeddedWorkerStatus status_; |
279 StartingPhase starting_phase_; | 285 StartingPhase starting_phase_; |
280 int restart_count_; | 286 int restart_count_; |
281 | 287 |
282 // Current running information. | 288 // Current running information. |
283 std::unique_ptr<EmbeddedWorkerInstance::WorkerProcessHandle> process_handle_; | 289 std::unique_ptr<EmbeddedWorkerInstance::WorkerProcessHandle> process_handle_; |
284 int thread_id_; | 290 int thread_id_; |
285 | 291 |
286 // |client_| is used to send messages to the renderer process. | 292 // |client_| is used to send messages to the renderer process. The browser |
| 293 // process should not disconnect the pipe because other associated interfaces |
| 294 // may be using it. The renderer process will disconnect the pipe when |
| 295 // appropriate. |
287 mojom::EmbeddedWorkerInstanceClientPtr client_; | 296 mojom::EmbeddedWorkerInstanceClientPtr client_; |
288 | 297 |
289 // Binding for EmbeddedWorkerInstanceHost, runs on IO thread. | 298 // Binding for EmbeddedWorkerInstanceHost, runs on IO thread. |
290 mojo::AssociatedBinding<EmbeddedWorkerInstanceHost> instance_host_binding_; | 299 mojo::AssociatedBinding<EmbeddedWorkerInstanceHost> instance_host_binding_; |
291 | 300 |
292 // TODO(shimazu): Remove this after EmbeddedWorkerStartParams is changed to | 301 // TODO(shimazu): Remove this after EmbeddedWorkerStartParams is changed to |
293 // a mojo struct. | 302 // a mojo struct. |
294 mojom::ServiceWorkerEventDispatcherRequest pending_dispatcher_request_; | 303 mojom::ServiceWorkerEventDispatcherRequest pending_dispatcher_request_; |
295 | 304 |
| 305 // This is set at Start and used on SendStartWorker. |
| 306 ProviderInfoGetter provider_info_getter_; |
| 307 |
296 // Whether devtools is attached or not. | 308 // Whether devtools is attached or not. |
297 bool devtools_attached_; | 309 bool devtools_attached_; |
298 | 310 |
299 // True if the script load request accessed the network. If the script was | 311 // True if the script load request accessed the network. If the script was |
300 // served from HTTPCache or ServiceWorkerDatabase this value is false. | 312 // served from HTTPCache or ServiceWorkerDatabase this value is false. |
301 bool network_accessed_for_script_; | 313 bool network_accessed_for_script_; |
302 | 314 |
303 ListenerList listener_list_; | 315 ListenerList listener_list_; |
304 std::unique_ptr<DevToolsProxy> devtools_proxy_; | 316 std::unique_ptr<DevToolsProxy> devtools_proxy_; |
305 | 317 |
306 std::unique_ptr<StartTask> inflight_start_task_; | 318 std::unique_ptr<StartTask> inflight_start_task_; |
307 | 319 |
308 // This is valid only after a process is allocated for the worker. | 320 // This is valid only after a process is allocated for the worker. |
309 ServiceWorkerMetrics::StartSituation start_situation_ = | 321 ServiceWorkerMetrics::StartSituation start_situation_ = |
310 ServiceWorkerMetrics::StartSituation::UNKNOWN; | 322 ServiceWorkerMetrics::StartSituation::UNKNOWN; |
311 | 323 |
312 // Used for UMA. The start time of the current start sequence step. | 324 // Used for UMA. The start time of the current start sequence step. |
313 base::TimeTicks step_time_; | 325 base::TimeTicks step_time_; |
314 | 326 |
315 base::WeakPtrFactory<EmbeddedWorkerInstance> weak_factory_; | 327 base::WeakPtrFactory<EmbeddedWorkerInstance> weak_factory_; |
316 | 328 |
317 DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerInstance); | 329 DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerInstance); |
318 }; | 330 }; |
319 | 331 |
320 } // namespace content | 332 } // namespace content |
321 | 333 |
322 #endif // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ | 334 #endif // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_H_ |
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