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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 MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 5 #ifndef MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
| 6 #define MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 6 #define MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | |
| 9 #include "mojo/edk/system/dispatcher.h" | 8 #include "mojo/edk/system/dispatcher.h" |
| 10 #include "mojo/edk/system/ref_ptr.h" | 9 #include "mojo/edk/system/ref_ptr.h" |
| 11 #include "mojo/public/cpp/system/macros.h" | 10 #include "mojo/public/cpp/system/macros.h" |
| 12 | 11 |
| 13 namespace mojo { | 12 namespace mojo { |
| 14 namespace system { | 13 namespace system { |
| 15 | 14 |
| 16 class DataPipe; | 15 class DataPipe; |
| 17 | 16 |
| 18 // This is the |Dispatcher| implementation for the consumer handle for data | 17 // This is the |Dispatcher| implementation for the consumer handle for data |
| 19 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is | 18 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is |
| 20 // thread-safe. | 19 // thread-safe. |
| 21 class DataPipeConsumerDispatcher final : public Dispatcher { | 20 class DataPipeConsumerDispatcher final : public Dispatcher { |
| 22 public: | 21 public: |
| 23 static scoped_refptr<DataPipeConsumerDispatcher> Create() { | 22 static RefPtr<DataPipeConsumerDispatcher> Create() { |
| 24 return make_scoped_refptr(new DataPipeConsumerDispatcher()); | 23 return AdoptRef(new DataPipeConsumerDispatcher()); |
| 25 } | 24 } |
| 26 | 25 |
| 27 // Must be called before any other methods. | 26 // Must be called before any other methods. |
| 28 void Init(RefPtr<DataPipe>&& data_pipe) MOJO_NOT_THREAD_SAFE; | 27 void Init(RefPtr<DataPipe>&& data_pipe) MOJO_NOT_THREAD_SAFE; |
| 29 | 28 |
| 30 // |Dispatcher| public methods: | 29 // |Dispatcher| public methods: |
| 31 Type GetType() const override; | 30 Type GetType() const override; |
| 32 | 31 |
| 33 // The "opposite" of |SerializeAndClose()|. (Typically this is called by | 32 // The "opposite" of |SerializeAndClose()|. (Typically this is called by |
| 34 // |Dispatcher::Deserialize()|.) | 33 // |Dispatcher::Deserialize()|.) |
| 35 static scoped_refptr<DataPipeConsumerDispatcher> | 34 static RefPtr<DataPipeConsumerDispatcher> Deserialize(Channel* channel, |
| 36 Deserialize(Channel* channel, const void* source, size_t size); | 35 const void* source, |
| 36 size_t size); |
| 37 | 37 |
| 38 // Get access to the |DataPipe| for testing. | 38 // Get access to the |DataPipe| for testing. |
| 39 DataPipe* GetDataPipeForTest(); | 39 DataPipe* GetDataPipeForTest(); |
| 40 | 40 |
| 41 private: | 41 private: |
| 42 DataPipeConsumerDispatcher(); | 42 DataPipeConsumerDispatcher(); |
| 43 ~DataPipeConsumerDispatcher() override; | 43 ~DataPipeConsumerDispatcher() override; |
| 44 | 44 |
| 45 // |Dispatcher| protected methods: | 45 // |Dispatcher| protected methods: |
| 46 void CancelAllAwakablesNoLock() override; | 46 void CancelAllAwakablesNoLock() override; |
| 47 void CloseImplNoLock() override; | 47 void CloseImplNoLock() override; |
| 48 scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() | 48 RefPtr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() override; |
| 49 override; | |
| 50 MojoResult ReadDataImplNoLock(UserPointer<void> elements, | 49 MojoResult ReadDataImplNoLock(UserPointer<void> elements, |
| 51 UserPointer<uint32_t> num_bytes, | 50 UserPointer<uint32_t> num_bytes, |
| 52 MojoReadDataFlags flags) override; | 51 MojoReadDataFlags flags) override; |
| 53 MojoResult BeginReadDataImplNoLock(UserPointer<const void*> buffer, | 52 MojoResult BeginReadDataImplNoLock(UserPointer<const void*> buffer, |
| 54 UserPointer<uint32_t> buffer_num_bytes, | 53 UserPointer<uint32_t> buffer_num_bytes, |
| 55 MojoReadDataFlags flags) override; | 54 MojoReadDataFlags flags) override; |
| 56 MojoResult EndReadDataImplNoLock(uint32_t num_bytes_read) override; | 55 MojoResult EndReadDataImplNoLock(uint32_t num_bytes_read) override; |
| 57 HandleSignalsState GetHandleSignalsStateImplNoLock() const override; | 56 HandleSignalsState GetHandleSignalsStateImplNoLock() const override; |
| 58 MojoResult AddAwakableImplNoLock(Awakable* awakable, | 57 MojoResult AddAwakableImplNoLock(Awakable* awakable, |
| 59 MojoHandleSignals signals, | 58 MojoHandleSignals signals, |
| (...skipping 16 matching lines...) Expand all Loading... |
| 76 // This will be null if closed. | 75 // This will be null if closed. |
| 77 RefPtr<DataPipe> data_pipe_ MOJO_GUARDED_BY(mutex()); | 76 RefPtr<DataPipe> data_pipe_ MOJO_GUARDED_BY(mutex()); |
| 78 | 77 |
| 79 MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher); | 78 MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher); |
| 80 }; | 79 }; |
| 81 | 80 |
| 82 } // namespace system | 81 } // namespace system |
| 83 } // namespace mojo | 82 } // namespace mojo |
| 84 | 83 |
| 85 #endif // MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 84 #endif // MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
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