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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ | 5 #ifndef REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ |
| 6 #define REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ | 6 #define REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/scoped_ptr.h" | 9 #include "base/scoped_ptr.h" |
| 10 #include "base/task.h" | 10 #include "base/task.h" |
| 11 #include "remoting/protocol/message_reader.h" | 11 #include "remoting/protocol/message_reader.h" |
| 12 | 12 |
| 13 namespace remoting { | 13 namespace remoting { |
| 14 | |
| 15 class EventMessage; | |
| 16 | |
| 17 namespace protocol { | 14 namespace protocol { |
| 18 | 15 |
| 19 class ControlMessage; | 16 class ControlMessage; |
| 17 class EventMessage; |
| 20 class HostStub; | 18 class HostStub; |
| 21 class InputStub; | 19 class InputStub; |
| 22 class Session; | 20 class Session; |
| 23 | 21 |
| 24 // A message dispatcher used to listen for messages received in | 22 // A message dispatcher used to listen for messages received in |
| 25 // protocol::Session. It dispatches messages to the corresponding | 23 // protocol::Session. It dispatches messages to the corresponding |
| 26 // handler. | 24 // handler. |
| 27 // | 25 // |
| 28 // Internally it contains an EventStreamReader that decodes data on | 26 // Internally it contains an EventStreamReader that decodes data on |
| 29 // communications channels into protocol buffer messages. | 27 // communications channels into protocol buffer messages. |
| 30 // EventStreamReader is registered with protocol::Session given to it. | 28 // EventStreamReader is registered with protocol::Session given to it. |
| 31 // | 29 // |
| 32 // Object of this class is owned by ConnectionToClient to dispatch messages | 30 // Object of this class is owned by ConnectionToClient to dispatch messages |
| 33 // to itself. | 31 // to itself. |
| 34 class HostMessageDispatcher { | 32 class HostMessageDispatcher { |
| 35 public: | 33 public: |
| 36 // Construct a message dispatcher. | 34 // Construct a message dispatcher. |
| 37 HostMessageDispatcher(); | 35 HostMessageDispatcher(); |
| 38 virtual ~HostMessageDispatcher(); | 36 virtual ~HostMessageDispatcher(); |
| 39 | 37 |
| 40 // Initialize the message dispatcher with the given connection and | 38 // Initialize the message dispatcher with the given connection and |
| 41 // message handlers. | 39 // message handlers. |
| 42 void Initialize(protocol::Session* session, | 40 void Initialize(protocol::Session* session, |
| 43 HostStub* host_stub, InputStub* input_stub); | 41 HostStub* host_stub, InputStub* input_stub); |
| 44 | 42 |
| 45 private: | 43 private: |
| 46 // This method is called by |control_channel_reader_| when a control | 44 // This method is called by |control_channel_reader_| when a control |
| 47 // message is received. | 45 // message is received. |
| 48 void OnControlMessageReceived(ControlMessage* message); | 46 void OnControlMessageReceived(ControlMessage* message, Task* done_task); |
| 49 | 47 |
| 50 // This method is called by |event_channel_reader_| when a event | 48 // This method is called by |event_channel_reader_| when a event |
| 51 // message is received. | 49 // message is received. |
| 52 void OnEventMessageReceived(EventMessage* message); | 50 void OnEventMessageReceived(EventMessage* message, Task* done_task); |
| 53 | 51 |
| 54 // MessageReader that runs on the control channel. It runs a loop | 52 // MessageReader that runs on the control channel. It runs a loop |
| 55 // that parses data on the channel and then delegates the message to this | 53 // that parses data on the channel and then delegates the message to this |
| 56 // class. | 54 // class. |
| 57 scoped_ptr<ProtobufMessageReader<ControlMessage> > control_message_reader_; | 55 scoped_ptr<ProtobufMessageReader<ControlMessage> > control_message_reader_; |
| 58 | 56 |
| 59 // MessageReader that runs on the event channel. | 57 // MessageReader that runs on the event channel. |
| 60 scoped_ptr<ProtobufMessageReader<EventMessage> > event_message_reader_; | 58 scoped_ptr<ProtobufMessageReader<EventMessage> > event_message_reader_; |
| 61 | 59 |
| 62 // Stubs for host and input. These objects are not owned. | 60 // Stubs for host and input. These objects are not owned. |
| 63 // They are called on the thread there data is received, i.e. jingle thread. | 61 // They are called on the thread there data is received, i.e. jingle thread. |
| 64 HostStub* host_stub_; | 62 HostStub* host_stub_; |
| 65 InputStub* input_stub_; | 63 InputStub* input_stub_; |
| 66 }; | 64 }; |
| 67 | 65 |
| 68 } // namespace protocol | 66 } // namespace protocol |
| 69 } // namespace remoting | 67 } // namespace remoting |
| 70 | 68 |
| 71 #endif // REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ | 69 #endif // REMOTING_PROTOCOL_HOST_MESSAGE_DISPATCHER_H_ |
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