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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ | 5 #ifndef MOJO_EDK_SYSTEM_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ |
| 6 #define MOJO_EDK_SYSTEM_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ | 6 #define MOJO_EDK_SYSTEM_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 | 9 |
| 10 #include "base/memory/aligned_memory.h" | 10 #include "base/memory/aligned_memory.h" |
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| 55 UserPointer<uint32_t> buffer_num_bytes) override; | 55 UserPointer<uint32_t> buffer_num_bytes) override; |
| 56 MojoResult ProducerEndWriteData(uint32_t num_bytes_written) override; | 56 MojoResult ProducerEndWriteData(uint32_t num_bytes_written) override; |
| 57 HandleSignalsState ProducerGetHandleSignalsState() const override; | 57 HandleSignalsState ProducerGetHandleSignalsState() const override; |
| 58 void ProducerStartSerialize(Channel* channel, | 58 void ProducerStartSerialize(Channel* channel, |
| 59 size_t* max_size, | 59 size_t* max_size, |
| 60 size_t* max_platform_handles) override; | 60 size_t* max_platform_handles) override; |
| 61 bool ProducerEndSerialize( | 61 bool ProducerEndSerialize( |
| 62 Channel* channel, | 62 Channel* channel, |
| 63 void* destination, | 63 void* destination, |
| 64 size_t* actual_size, | 64 size_t* actual_size, |
| 65 std::vector<embedder::ScopedPlatformHandle>* platform_handles) override; | 65 std::vector<platform::ScopedPlatformHandle>* platform_handles) override; |
| 66 void ConsumerClose() override; | 66 void ConsumerClose() override; |
| 67 MojoResult ConsumerReadData(UserPointer<void> elements, | 67 MojoResult ConsumerReadData(UserPointer<void> elements, |
| 68 UserPointer<uint32_t> num_bytes, | 68 UserPointer<uint32_t> num_bytes, |
| 69 uint32_t max_num_bytes_to_read, | 69 uint32_t max_num_bytes_to_read, |
| 70 uint32_t min_num_bytes_to_read, | 70 uint32_t min_num_bytes_to_read, |
| 71 bool peek) override; | 71 bool peek) override; |
| 72 MojoResult ConsumerDiscardData(UserPointer<uint32_t> num_bytes, | 72 MojoResult ConsumerDiscardData(UserPointer<uint32_t> num_bytes, |
| 73 uint32_t max_num_bytes_to_discard, | 73 uint32_t max_num_bytes_to_discard, |
| 74 uint32_t min_num_bytes_to_discard) override; | 74 uint32_t min_num_bytes_to_discard) override; |
| 75 MojoResult ConsumerQueryData(UserPointer<uint32_t> num_bytes) override; | 75 MojoResult ConsumerQueryData(UserPointer<uint32_t> num_bytes) override; |
| 76 MojoResult ConsumerBeginReadData( | 76 MojoResult ConsumerBeginReadData( |
| 77 UserPointer<const void*> buffer, | 77 UserPointer<const void*> buffer, |
| 78 UserPointer<uint32_t> buffer_num_bytes) override; | 78 UserPointer<uint32_t> buffer_num_bytes) override; |
| 79 MojoResult ConsumerEndReadData(uint32_t num_bytes_read) override; | 79 MojoResult ConsumerEndReadData(uint32_t num_bytes_read) override; |
| 80 HandleSignalsState ConsumerGetHandleSignalsState() const override; | 80 HandleSignalsState ConsumerGetHandleSignalsState() const override; |
| 81 void ConsumerStartSerialize(Channel* channel, | 81 void ConsumerStartSerialize(Channel* channel, |
| 82 size_t* max_size, | 82 size_t* max_size, |
| 83 size_t* max_platform_handles) override; | 83 size_t* max_platform_handles) override; |
| 84 bool ConsumerEndSerialize( | 84 bool ConsumerEndSerialize( |
| 85 Channel* channel, | 85 Channel* channel, |
| 86 void* destination, | 86 void* destination, |
| 87 size_t* actual_size, | 87 size_t* actual_size, |
| 88 std::vector<embedder::ScopedPlatformHandle>* platform_handles) override; | 88 std::vector<platform::ScopedPlatformHandle>* platform_handles) override; |
| 89 bool OnReadMessage(unsigned port, MessageInTransit* message) override; | 89 bool OnReadMessage(unsigned port, MessageInTransit* message) override; |
| 90 void OnDetachFromChannel(unsigned port) override; | 90 void OnDetachFromChannel(unsigned port) override; |
| 91 | 91 |
| 92 void EnsureBuffer(); | 92 void EnsureBuffer(); |
| 93 void DestroyBuffer(); | 93 void DestroyBuffer(); |
| 94 | 94 |
| 95 void Disconnect(); | 95 void Disconnect(); |
| 96 | 96 |
| 97 // Should be valid if and only if |consumer_open()| returns true. | 97 // Should be valid if and only if |consumer_open()| returns true. |
| 98 util::RefPtr<ChannelEndpoint> channel_endpoint_; | 98 util::RefPtr<ChannelEndpoint> channel_endpoint_; |
| 99 | 99 |
| 100 // The number of bytes we've sent the consumer, but don't *know* have been | 100 // The number of bytes we've sent the consumer, but don't *know* have been |
| 101 // consumed. | 101 // consumed. |
| 102 size_t consumer_num_bytes_; | 102 size_t consumer_num_bytes_; |
| 103 | 103 |
| 104 // Used for two-phase writes. | 104 // Used for two-phase writes. |
| 105 std::unique_ptr<char, base::AlignedFreeDeleter> buffer_; | 105 std::unique_ptr<char, base::AlignedFreeDeleter> buffer_; |
| 106 // This is nearly always zero, except when the two-phase write started on a | 106 // This is nearly always zero, except when the two-phase write started on a |
| 107 // |LocalDataPipeImpl|. | 107 // |LocalDataPipeImpl|. |
| 108 size_t start_index_; | 108 size_t start_index_; |
| 109 | 109 |
| 110 MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteConsumerDataPipeImpl); | 110 MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteConsumerDataPipeImpl); |
| 111 }; | 111 }; |
| 112 | 112 |
| 113 } // namespace system | 113 } // namespace system |
| 114 } // namespace mojo | 114 } // namespace mojo |
| 115 | 115 |
| 116 #endif // MOJO_EDK_SYSTEM_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ | 116 #endif // MOJO_EDK_SYSTEM_REMOTE_CONSUMER_DATA_PIPE_IMPL_H_ |
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