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Side by Side Diff: mojo/edk/system/remote_producer_data_pipe_impl.h

Issue 1423713009: EDK: Move ref counting classes to mojo/edk/util. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 1 month ago
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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_PRODUCER_DATA_PIPE_IMPL_H_ 5 #ifndef MOJO_EDK_SYSTEM_REMOTE_PRODUCER_DATA_PIPE_IMPL_H_
6 #define MOJO_EDK_SYSTEM_REMOTE_PRODUCER_DATA_PIPE_IMPL_H_ 6 #define MOJO_EDK_SYSTEM_REMOTE_PRODUCER_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"
11 #include "mojo/edk/system/channel_endpoint.h" 11 #include "mojo/edk/system/channel_endpoint.h"
12 #include "mojo/edk/system/data_pipe_impl.h" 12 #include "mojo/edk/system/data_pipe_impl.h"
13 #include "mojo/edk/system/ref_ptr.h" 13 #include "mojo/edk/util/ref_ptr.h"
14 #include "mojo/public/cpp/system/macros.h" 14 #include "mojo/public/cpp/system/macros.h"
15 15
16 namespace mojo { 16 namespace mojo {
17 namespace system { 17 namespace system {
18 18
19 class MessageInTransitQueue; 19 class MessageInTransitQueue;
20 20
21 // |RemoteProducerDataPipeImpl| is a subclass that "implements" |DataPipe| for 21 // |RemoteProducerDataPipeImpl| is a subclass that "implements" |DataPipe| for
22 // data pipes whose producer is remote and whose consumer is local. See 22 // data pipes whose producer is remote and whose consumer is local. See
23 // |DataPipeImpl| for more details. 23 // |DataPipeImpl| for more details.
24 class RemoteProducerDataPipeImpl final : public DataPipeImpl { 24 class RemoteProducerDataPipeImpl final : public DataPipeImpl {
25 public: 25 public:
26 explicit RemoteProducerDataPipeImpl( 26 explicit RemoteProducerDataPipeImpl(
27 RefPtr<ChannelEndpoint>&& channel_endpoint); 27 util::RefPtr<ChannelEndpoint>&& channel_endpoint);
28 RemoteProducerDataPipeImpl( 28 RemoteProducerDataPipeImpl(
29 RefPtr<ChannelEndpoint>&& channel_endpoint, 29 util::RefPtr<ChannelEndpoint>&& channel_endpoint,
30 std::unique_ptr<char, base::AlignedFreeDeleter> buffer, 30 std::unique_ptr<char, base::AlignedFreeDeleter> buffer,
31 size_t start_index, 31 size_t start_index,
32 size_t current_num_bytes); 32 size_t current_num_bytes);
33 ~RemoteProducerDataPipeImpl() override; 33 ~RemoteProducerDataPipeImpl() override;
34 34
35 // Processes messages that were received and queued by an |IncomingEndpoint|. 35 // Processes messages that were received and queued by an |IncomingEndpoint|.
36 // On success, returns true and sets |*buffer| (to a buffer of size 36 // On success, returns true and sets |*buffer| (to a buffer of size
37 // |validated_options.capacity_num_bytes|) and |*buffer_num_bytes|. On 37 // |validated_options.capacity_num_bytes|) and |*buffer_num_bytes|. On
38 // failure, returns false. Always clears |*messages|. 38 // failure, returns false. Always clears |*messages|.
39 static bool ProcessMessagesFromIncomingEndpoint( 39 static bool ProcessMessagesFromIncomingEndpoint(
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 size_t GetMaxNumBytesToRead(); 99 size_t GetMaxNumBytesToRead();
100 100
101 // Marks the given number of bytes as consumed/discarded. This will send a 101 // Marks the given number of bytes as consumed/discarded. This will send a
102 // message to the remote producer. |num_bytes| must be no greater than 102 // message to the remote producer. |num_bytes| must be no greater than
103 // |current_num_bytes_|. 103 // |current_num_bytes_|.
104 void MarkDataAsConsumed(size_t num_bytes); 104 void MarkDataAsConsumed(size_t num_bytes);
105 105
106 void Disconnect(); 106 void Disconnect();
107 107
108 // Should be valid if and only if |producer_open()| returns true. 108 // Should be valid if and only if |producer_open()| returns true.
109 RefPtr<ChannelEndpoint> channel_endpoint_; 109 util::RefPtr<ChannelEndpoint> channel_endpoint_;
110 110
111 std::unique_ptr<char, base::AlignedFreeDeleter> buffer_; 111 std::unique_ptr<char, base::AlignedFreeDeleter> buffer_;
112 // Circular buffer. 112 // Circular buffer.
113 size_t start_index_; 113 size_t start_index_;
114 size_t current_num_bytes_; 114 size_t current_num_bytes_;
115 115
116 MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteProducerDataPipeImpl); 116 MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteProducerDataPipeImpl);
117 }; 117 };
118 118
119 } // namespace system 119 } // namespace system
120 } // namespace mojo 120 } // namespace mojo
121 121
122 #endif // MOJO_EDK_SYSTEM_REMOTE_PRODUCER_DATA_PIPE_IMPL_H_ 122 #endif // MOJO_EDK_SYSTEM_REMOTE_PRODUCER_DATA_PIPE_IMPL_H_
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