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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_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 5 #ifndef MOJO_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
| 6 #define MOJO_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 6 #define MOJO_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "mojo/system/dispatcher.h" | 10 #include "mojo/system/dispatcher.h" |
| 11 #include "mojo/system/system_impl_export.h" | 11 #include "mojo/system/system_impl_export.h" |
| 12 | 12 |
| 13 namespace mojo { | 13 namespace mojo { |
| 14 namespace system { | 14 namespace system { |
| 15 | 15 |
| 16 class DataPipe; | 16 class DataPipe; |
| 17 | 17 |
| 18 // This is the |Dispatcher| implementation for the consumer handle for data | 18 // This is the |Dispatcher| implementation for the consumer handle for data |
| 19 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is | 19 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is |
| 20 // thread-safe. | 20 // thread-safe. |
| 21 class MOJO_SYSTEM_IMPL_EXPORT DataPipeConsumerDispatcher : public Dispatcher { | 21 class MOJO_SYSTEM_IMPL_EXPORT DataPipeConsumerDispatcher : public Dispatcher { |
| 22 public: | 22 public: |
| 23 DataPipeConsumerDispatcher(); | 23 DataPipeConsumerDispatcher(); |
| 24 | 24 |
| 25 // Must be called before any other methods. | 25 // Must be called before any other methods. |
| 26 void Init(scoped_refptr<DataPipe> data_pipe); | 26 void Init(scoped_refptr<DataPipe> data_pipe); |
| 27 | 27 |
| 28 // |Dispatcher| public methods: | 28 // |Dispatcher| public methods: |
| 29 virtual Type GetType() const OVERRIDE; | 29 virtual Type GetType() const override; |
| 30 | 30 |
| 31 private: | 31 private: |
| 32 virtual ~DataPipeConsumerDispatcher(); | 32 virtual ~DataPipeConsumerDispatcher(); |
| 33 | 33 |
| 34 // |Dispatcher| protected methods: | 34 // |Dispatcher| protected methods: |
| 35 virtual void CancelAllWaitersNoLock() OVERRIDE; | 35 virtual void CancelAllWaitersNoLock() override; |
| 36 virtual void CloseImplNoLock() OVERRIDE; | 36 virtual void CloseImplNoLock() override; |
| 37 virtual scoped_refptr<Dispatcher> | 37 virtual scoped_refptr<Dispatcher> |
| 38 CreateEquivalentDispatcherAndCloseImplNoLock() OVERRIDE; | 38 CreateEquivalentDispatcherAndCloseImplNoLock() override; |
| 39 virtual MojoResult ReadDataImplNoLock(UserPointer<void> elements, | 39 virtual MojoResult ReadDataImplNoLock(UserPointer<void> elements, |
| 40 UserPointer<uint32_t> num_bytes, | 40 UserPointer<uint32_t> num_bytes, |
| 41 MojoReadDataFlags flags) OVERRIDE; | 41 MojoReadDataFlags flags) override; |
| 42 virtual MojoResult BeginReadDataImplNoLock( | 42 virtual MojoResult BeginReadDataImplNoLock( |
| 43 UserPointer<const void*> buffer, | 43 UserPointer<const void*> buffer, |
| 44 UserPointer<uint32_t> buffer_num_bytes, | 44 UserPointer<uint32_t> buffer_num_bytes, |
| 45 MojoReadDataFlags flags) OVERRIDE; | 45 MojoReadDataFlags flags) override; |
| 46 virtual MojoResult EndReadDataImplNoLock(uint32_t num_bytes_read) OVERRIDE; | 46 virtual MojoResult EndReadDataImplNoLock(uint32_t num_bytes_read) override; |
| 47 virtual HandleSignalsState GetHandleSignalsStateImplNoLock() const OVERRIDE; | 47 virtual HandleSignalsState GetHandleSignalsStateImplNoLock() const override; |
| 48 virtual MojoResult AddWaiterImplNoLock( | 48 virtual MojoResult AddWaiterImplNoLock( |
| 49 Waiter* waiter, | 49 Waiter* waiter, |
| 50 MojoHandleSignals signals, | 50 MojoHandleSignals signals, |
| 51 uint32_t context, | 51 uint32_t context, |
| 52 HandleSignalsState* signals_state) OVERRIDE; | 52 HandleSignalsState* signals_state) override; |
| 53 virtual void RemoveWaiterImplNoLock( | 53 virtual void RemoveWaiterImplNoLock( |
| 54 Waiter* waiter, | 54 Waiter* waiter, |
| 55 HandleSignalsState* signals_state) OVERRIDE; | 55 HandleSignalsState* signals_state) override; |
| 56 virtual bool IsBusyNoLock() const OVERRIDE; | 56 virtual bool IsBusyNoLock() const override; |
| 57 | 57 |
| 58 // Protected by |lock()|: | 58 // Protected by |lock()|: |
| 59 scoped_refptr<DataPipe> data_pipe_; // This will be null if closed. | 59 scoped_refptr<DataPipe> data_pipe_; // This will be null if closed. |
| 60 | 60 |
| 61 DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher); | 61 DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher); |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 } // namespace system | 64 } // namespace system |
| 65 } // namespace mojo | 65 } // namespace mojo |
| 66 | 66 |
| 67 #endif // MOJO_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ | 67 #endif // MOJO_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_ |
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