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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 REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ | 5 #ifndef REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ |
| 6 #define REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ | 6 #define REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ |
| 7 | 7 |
| 8 #include "base/gtest_prod_util.h" | 8 #include "base/gtest_prod_util.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/threading/thread.h" | 10 #include "base/threading/thread.h" |
| 11 | 11 |
| 12 namespace base { | 12 namespace base { |
| 13 class SingleThreadTaskRunner; | 13 class SingleThreadTaskRunner; |
| 14 } // namespace base | 14 } // namespace base |
| 15 | 15 |
| 16 namespace net { | 16 namespace net { |
| 17 class URLRequestContextGetter; | 17 class URLRequestContextGetter; |
| 18 } // namespace net | 18 } // namespace net |
| 19 | 19 |
| 20 namespace remoting { | 20 namespace remoting { |
| 21 | |
| 21 class AutoThreadTaskRunner; | 22 class AutoThreadTaskRunner; |
| 22 | 23 |
| 23 // A class that manages threads and running context for the chromoting host | 24 // A class that manages threads and running context for the chromoting host |
| 24 // process. This class is virtual only for testing purposes (see below). | 25 // process. This class is virtual only for testing purposes (see below). |
| 25 class ChromotingHostContext { | 26 class ChromotingHostContext { |
| 26 public: | 27 public: |
| 27 // Create a context. | 28 // Create a context. |
| 28 ChromotingHostContext( | 29 ChromotingHostContext( |
| 29 scoped_refptr<AutoThreadTaskRunner> ui_task_runner); | 30 scoped_refptr<AutoThreadTaskRunner> ui_task_runner); |
| 30 virtual ~ChromotingHostContext(); | 31 virtual ~ChromotingHostContext(); |
| 31 | 32 |
| 32 void ReleaseTaskRunners(); | 33 void ReleaseTaskRunners(); |
| 33 | 34 |
| 34 // TODO(ajwong): Move the Start method out of this class. Then | 35 // TODO(ajwong): Move the Start method out of this class. Then |
| 35 // create a static factory for construction, and destruction. We | 36 // create a static factory for construction, and destruction. We |
| 36 // should be able to remove the need for virtual functions below | 37 // should be able to remove the need for virtual functions below |
| 37 // with that design, while preserving the relative simplicity of | 38 // with that design, while preserving the relative simplicity of |
| 38 // this API. | 39 // this API. |
| 39 virtual bool Start(); | 40 virtual bool Start(); |
| 40 | 41 |
| 41 // Task runner for the thread used for audio capture and encoding. | 42 // Task runner for the thread used for audio capture and encoding. |
| 42 virtual base::SingleThreadTaskRunner* audio_task_runner(); | 43 virtual base::SingleThreadTaskRunner* audio_task_runner(); |
| 43 | 44 |
| 44 // Task runner for the thread used by the ScreenRecorder to capture | 45 // Task runner for the thread used by the ScreenRecorder to capture |
| 45 // the screen. | 46 // the screen. |
| 46 virtual base::SingleThreadTaskRunner* capture_task_runner(); | 47 virtual base::SingleThreadTaskRunner* capture_task_runner(); |
| 47 | 48 |
| 48 // Task runner for the thread that is used by the EventExecutor. | |
| 49 // | |
| 50 // TODO(sergeyu): Do we need a separate thread for EventExecutor? | |
| 51 // Can we use some other thread instead? | |
| 52 virtual base::SingleThreadTaskRunner* desktop_task_runner(); | |
| 53 | |
| 54 // Task runner for the thread used to encode video streams. | 49 // Task runner for the thread used to encode video streams. |
| 55 virtual base::SingleThreadTaskRunner* encode_task_runner(); | 50 virtual base::SingleThreadTaskRunner* encode_task_runner(); |
| 56 | 51 |
| 57 // Task runner for the thread that is used for blocking file | 52 // Task runner for the thread that is used for blocking file |
| 58 // IO. This thread is used by the URLRequestContext to read proxy | 53 // IO. This thread is used by the URLRequestContext to read proxy |
| 59 // configuration and by NatConfig to read policy configs. | 54 // configuration and by NatConfig to read policy configs. |
| 60 virtual base::SingleThreadTaskRunner* file_task_runner(); | 55 virtual base::SingleThreadTaskRunner* file_task_runner(); |
| 61 | 56 |
| 57 // Task runner for the thread that is used by the EventExecutor. | |
| 58 // | |
| 59 // TODO(sergeyu): Do we need a separate thread for EventExecutor? | |
| 60 // Can we use some other thread instead? | |
| 61 virtual base::SingleThreadTaskRunner* input_task_runner(); | |
|
alexeypa (please no reviews)
2012/10/01 18:31:34
nit: Make sure that this renaming is mentioned in
Wez
2012/10/02 05:19:44
Done.
| |
| 62 | |
| 62 // Task runner for the thread used for network IO. This thread runs | 63 // Task runner for the thread used for network IO. This thread runs |
| 63 // a libjingle message loop, and is the only thread on which | 64 // a libjingle message loop, and is the only thread on which |
| 64 // libjingle code may be run. | 65 // libjingle code may be run. |
| 65 virtual base::SingleThreadTaskRunner* network_task_runner(); | 66 virtual base::SingleThreadTaskRunner* network_task_runner(); |
| 66 | 67 |
| 67 // Task runner for the thread that is used for the UI. In the NPAPI | 68 // Task runner for the thread that is used for the UI. In the NPAPI |
| 68 // plugin this corresponds to the main plugin thread. | 69 // plugin this corresponds to the main plugin thread. |
| 69 virtual base::SingleThreadTaskRunner* ui_task_runner(); | 70 virtual base::SingleThreadTaskRunner* ui_task_runner(); |
| 70 | 71 |
| 71 const scoped_refptr<net::URLRequestContextGetter>& | 72 const scoped_refptr<net::URLRequestContextGetter>& |
| 72 url_request_context_getter(); | 73 url_request_context_getter(); |
| 73 | 74 |
| 74 private: | 75 private: |
| 75 FRIEND_TEST_ALL_PREFIXES(ChromotingHostContextTest, StartAndStop); | 76 FRIEND_TEST_ALL_PREFIXES(ChromotingHostContextTest, StartAndStop); |
| 76 | 77 |
| 77 // A thread that hosts audio capture and encoding. | 78 // A thread that hosts audio capture and encoding. |
| 78 base::Thread audio_thread_; | 79 base::Thread audio_thread_; |
| 79 | 80 |
| 80 // A thread that hosts screen capture. | 81 // A thread that hosts screen capture. |
| 81 base::Thread capture_thread_; | 82 base::Thread capture_thread_; |
| 82 | 83 |
| 83 // A thread that hosts input injection. | |
| 84 base::Thread desktop_thread_; | |
| 85 | |
| 86 // A thread that hosts all encode operations. | 84 // A thread that hosts all encode operations. |
| 87 base::Thread encode_thread_; | 85 base::Thread encode_thread_; |
| 88 | 86 |
| 89 // Thread for blocking IO operations. | 87 // Thread for blocking IO operations. |
| 90 base::Thread file_thread_; | 88 base::Thread file_thread_; |
| 91 | 89 |
| 90 // A thread that hosts input injection. | |
| 91 base::Thread input_thread_; | |
| 92 | |
| 92 // A thread that hosts all network operations. | 93 // A thread that hosts all network operations. |
| 93 base::Thread network_thread_; | 94 base::Thread network_thread_; |
| 94 | 95 |
| 95 // Task runners wrapping the above threads. These should be declared after | 96 // Task runners wrapping the above threads. These should be declared after |
| 96 // the corresponding threads to guarantee proper order of destruction. | 97 // the corresponding threads to guarantee proper order of destruction. |
| 97 scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_; | 98 scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_; |
| 98 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_; | 99 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_; |
| 99 scoped_refptr<base::SingleThreadTaskRunner> desktop_task_runner_; | |
| 100 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_; | 100 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_; |
| 101 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; | 101 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; |
| 102 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_; | |
| 102 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_; | 103 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_; |
| 103 | 104 |
| 104 scoped_refptr<AutoThreadTaskRunner> ui_task_runner_; | 105 scoped_refptr<AutoThreadTaskRunner> ui_task_runner_; |
| 105 | 106 |
| 106 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; | 107 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; |
| 107 | 108 |
| 108 DISALLOW_COPY_AND_ASSIGN(ChromotingHostContext); | 109 DISALLOW_COPY_AND_ASSIGN(ChromotingHostContext); |
| 109 }; | 110 }; |
| 110 | 111 |
| 111 } // namespace remoting | 112 } // namespace remoting |
| 112 | 113 |
| 113 #endif // REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ | 114 #endif // REMOTING_HOST_CHROMOTING_HOST_CONTEXT_H_ |
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