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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ | 6 #define CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
| 15 #include "base/process/process_iterator.h" | 15 #include "base/process/process_iterator.h" |
| 16 #include "base/single_thread_task_runner.h" | 16 #include "base/single_thread_task_runner.h" |
| 17 #include "base/threading/thread.h" | 17 #include "base/threading/thread.h" |
| 18 #include "chrome/browser/chromeos/arc/process/arc_process.h" | 18 #include "chrome/browser/chromeos/arc/process/arc_process.h" |
| 19 #include "components/arc/arc_service.h" | 19 #include "components/arc/arc_service.h" |
| 20 #include "components/arc/common/process.mojom.h" | 20 #include "components/arc/common/process.mojom.h" |
| 21 #include "components/arc/instance_holder.h" | 21 #include "components/arc/instance_holder.h" |
| 22 #include "mojo/public/cpp/bindings/array.h" | |
| 23 | 22 |
| 24 namespace arc { | 23 namespace arc { |
| 25 | 24 |
| 26 class ArcBridgeService; | 25 class ArcBridgeService; |
| 27 | 26 |
| 28 // A single global entry to get a list of ARC processes. | 27 // A single global entry to get a list of ARC processes. |
| 29 // | 28 // |
| 30 // Call RequestAppProcessList() / RequestSystemProcessList() on the main UI | 29 // Call RequestAppProcessList() / RequestSystemProcessList() on the main UI |
| 31 // thread to get a list of all ARC app / system processes. It returns | 30 // thread to get a list of all ARC app / system processes. It returns |
| 32 // vector<arc::ArcProcess>, which includes pid <-> nspid mapping. | 31 // vector<arc::ArcProcess>, which includes pid <-> nspid mapping. |
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| 93 friend base::RefCountedThreadSafe<NSPidToPidMap>; | 92 friend base::RefCountedThreadSafe<NSPidToPidMap>; |
| 94 ~NSPidToPidMap(); | 93 ~NSPidToPidMap(); |
| 95 | 94 |
| 96 PidMap pidmap_; | 95 PidMap pidmap_; |
| 97 DISALLOW_COPY_AND_ASSIGN(NSPidToPidMap); | 96 DISALLOW_COPY_AND_ASSIGN(NSPidToPidMap); |
| 98 }; | 97 }; |
| 99 | 98 |
| 100 private: | 99 private: |
| 101 void OnReceiveProcessList( | 100 void OnReceiveProcessList( |
| 102 const RequestProcessListCallback& callback, | 101 const RequestProcessListCallback& callback, |
| 103 const mojo::Array<mojom::RunningAppProcessInfoPtr> instance_processes); | 102 std::vector<mojom::RunningAppProcessInfoPtr> instance_processes); |
| 104 | 103 |
| 105 scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner(); | 104 scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner(); |
| 106 | 105 |
| 107 // There are some expensive tasks such as traverse whole process tree that | 106 // There are some expensive tasks such as traverse whole process tree that |
| 108 // we can't do it on the UI thread. Thus we need an additional thread to | 107 // we can't do it on the UI thread. Thus we need an additional thread to |
| 109 // handle | 108 // handle |
| 110 // such tasks. | 109 // such tasks. |
| 111 base::Thread heavy_task_thread_; | 110 base::Thread heavy_task_thread_; |
| 112 | 111 |
| 113 // Keep a cache pid mapping of all arc processes so to minimize the number of | 112 // Keep a cache pid mapping of all arc processes so to minimize the number of |
| 114 // nspid lookup from /proc/<PID>/status. | 113 // nspid lookup from /proc/<PID>/status. |
| 115 // To play safe, always modify |nspid_to_pid_| on the |heavy_task_thread_|. | 114 // To play safe, always modify |nspid_to_pid_| on the |heavy_task_thread_|. |
| 116 scoped_refptr<NSPidToPidMap> nspid_to_pid_; | 115 scoped_refptr<NSPidToPidMap> nspid_to_pid_; |
| 117 | 116 |
| 118 // Always keep this the last member of this class to make sure it's the | 117 // Always keep this the last member of this class to make sure it's the |
| 119 // first thing to be destructed. | 118 // first thing to be destructed. |
| 120 base::WeakPtrFactory<ArcProcessService> weak_ptr_factory_; | 119 base::WeakPtrFactory<ArcProcessService> weak_ptr_factory_; |
| 121 | 120 |
| 122 DISALLOW_COPY_AND_ASSIGN(ArcProcessService); | 121 DISALLOW_COPY_AND_ASSIGN(ArcProcessService); |
| 123 }; | 122 }; |
| 124 | 123 |
| 125 } // namespace arc | 124 } // namespace arc |
| 126 | 125 |
| 127 #endif // CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ | 126 #endif // CHROME_BROWSER_CHROMEOS_ARC_PROCESS_ARC_PROCESS_SERVICE_H_ |
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