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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 IPC_IPC_CHANNEL_NACL_H_ | 5 #ifndef IPC_IPC_CHANNEL_NACL_H_ |
6 #define IPC_IPC_CHANNEL_NACL_H_ | 6 #define IPC_IPC_CHANNEL_NACL_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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28 // NaClDescCustom. See NaClIPCAdapter for the trusted-side implementation. | 28 // NaClDescCustom. See NaClIPCAdapter for the trusted-side implementation. |
29 // | 29 // |
30 // We don't need to worry about complicated set up and READWRITE mode for | 30 // We don't need to worry about complicated set up and READWRITE mode for |
31 // sharing handles. We also currently do not support passing file descriptors or | 31 // sharing handles. We also currently do not support passing file descriptors or |
32 // named pipes, and we use background threads to emulate signaling when we can | 32 // named pipes, and we use background threads to emulate signaling when we can |
33 // read or write without blocking. | 33 // read or write without blocking. |
34 class ChannelNacl : public Channel, | 34 class ChannelNacl : public Channel, |
35 public internal::ChannelReader { | 35 public internal::ChannelReader { |
36 public: | 36 public: |
37 // Mirror methods of Channel, see ipc_channel.h for description. | 37 // Mirror methods of Channel, see ipc_channel.h for description. |
| 38 // |broker| must outlive the newly created object. |
38 ChannelNacl(const IPC::ChannelHandle& channel_handle, | 39 ChannelNacl(const IPC::ChannelHandle& channel_handle, |
39 Mode mode, | 40 Mode mode, |
40 Listener* listener); | 41 Listener* listener, |
| 42 AttachmentBroker* broker); |
41 ~ChannelNacl() override; | 43 ~ChannelNacl() override; |
42 | 44 |
43 // Channel implementation. | 45 // Channel implementation. |
44 base::ProcessId GetPeerPID() const override; | 46 base::ProcessId GetPeerPID() const override; |
45 base::ProcessId GetSelfPID() const override; | 47 base::ProcessId GetSelfPID() const override; |
46 bool Connect() override; | 48 bool Connect() override; |
47 void Close() override; | 49 void Close() override; |
48 bool Send(Message* message) override; | 50 bool Send(Message* message) override; |
| 51 AttachmentBroker* GetAttachmentBroker() override; |
49 | 52 |
50 // Posted to the main thread by ReaderThreadRunner. | 53 // Posted to the main thread by ReaderThreadRunner. |
51 void DidRecvMsg(scoped_ptr<MessageContents> contents); | 54 void DidRecvMsg(scoped_ptr<MessageContents> contents); |
52 void ReadDidFail(); | 55 void ReadDidFail(); |
53 | 56 |
54 private: | 57 private: |
55 class ReaderThreadRunner; | 58 class ReaderThreadRunner; |
56 | 59 |
57 bool CreatePipe(const IPC::ChannelHandle& channel_handle); | 60 bool CreatePipe(const IPC::ChannelHandle& channel_handle); |
58 bool ProcessOutgoingMessages(); | 61 bool ProcessOutgoingMessages(); |
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107 // don't change to something like std::deque<> without changing the | 110 // don't change to something like std::deque<> without changing the |
108 // implementation! | 111 // implementation! |
109 std::vector<int> input_fds_; | 112 std::vector<int> input_fds_; |
110 | 113 |
111 // This queue is used when a message is sent prior to Connect having been | 114 // This queue is used when a message is sent prior to Connect having been |
112 // called. Normally after we're connected, the queue is empty. | 115 // called. Normally after we're connected, the queue is empty. |
113 std::deque<linked_ptr<Message> > output_queue_; | 116 std::deque<linked_ptr<Message> > output_queue_; |
114 | 117 |
115 base::WeakPtrFactory<ChannelNacl> weak_ptr_factory_; | 118 base::WeakPtrFactory<ChannelNacl> weak_ptr_factory_; |
116 | 119 |
| 120 // |broker_| must outlive this instance. |
| 121 AttachmentBroker* broker_; |
| 122 |
117 DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelNacl); | 123 DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelNacl); |
118 }; | 124 }; |
119 | 125 |
120 } // namespace IPC | 126 } // namespace IPC |
121 | 127 |
122 #endif // IPC_IPC_CHANNEL_NACL_H_ | 128 #endif // IPC_IPC_CHANNEL_NACL_H_ |
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