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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #include "remoting/protocol/message_reader.h" | 5 #include "remoting/protocol/message_reader.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "net/base/io_buffer.h" | 10 #include "net/base/io_buffer.h" |
11 #include "net/base/net_errors.h" | 11 #include "net/base/net_errors.h" |
12 #include "net/socket/socket.h" | 12 #include "net/socket/socket.h" |
13 #include "remoting/base/compound_buffer.h" | 13 #include "remoting/base/compound_buffer.h" |
14 #include "remoting/proto/internal.pb.h" | 14 #include "remoting/proto/internal.pb.h" |
15 | 15 |
16 namespace remoting { | 16 namespace remoting { |
17 namespace protocol { | 17 namespace protocol { |
18 | 18 |
19 static const int kReadBufferSize = 4096; | 19 static const int kReadBufferSize = 4096; |
20 | 20 |
21 MessageReader::MessageReader() | 21 MessageReader::MessageReader() |
22 : socket_(NULL), | 22 : socket_(NULL), |
23 read_pending_(false), | 23 read_pending_(false), |
24 pending_messages_(0), | 24 pending_messages_(0), |
25 closed_(false), | 25 closed_(false) { |
26 ALLOW_THIS_IN_INITIALIZER_LIST( | |
27 read_callback_(this, &MessageReader::OnRead)) { | |
28 } | 26 } |
29 | 27 |
30 MessageReader::~MessageReader() { | 28 MessageReader::~MessageReader() { |
31 CHECK_EQ(pending_messages_, 0); | 29 CHECK_EQ(pending_messages_, 0); |
32 } | 30 } |
33 | 31 |
34 void MessageReader::Init(net::Socket* socket, | 32 void MessageReader::Init(net::Socket* socket, |
35 const MessageReceivedCallback& callback) { | 33 const MessageReceivedCallback& callback) { |
36 message_received_callback_ = callback; | 34 message_received_callback_ = callback; |
37 DCHECK(socket); | 35 DCHECK(socket); |
38 socket_ = socket; | 36 socket_ = socket; |
39 DoRead(); | 37 DoRead(); |
40 } | 38 } |
41 | 39 |
42 void MessageReader::DoRead() { | 40 void MessageReader::DoRead() { |
43 // Don't try to read again if there is another read pending or we | 41 // Don't try to read again if there is another read pending or we |
44 // have messages that we haven't finished processing yet. | 42 // have messages that we haven't finished processing yet. |
45 while (!closed_ && !read_pending_ && pending_messages_ == 0) { | 43 while (!closed_ && !read_pending_ && pending_messages_ == 0) { |
46 read_buffer_ = new net::IOBuffer(kReadBufferSize); | 44 read_buffer_ = new net::IOBuffer(kReadBufferSize); |
47 int result = socket_->Read( | 45 int result = socket_->Read( |
48 read_buffer_, kReadBufferSize, &read_callback_); | 46 read_buffer_, kReadBufferSize, base::Bind(&MessageReader::OnRead, |
| 47 base::Unretained(this))); |
49 HandleReadResult(result); | 48 HandleReadResult(result); |
50 } | 49 } |
51 } | 50 } |
52 | 51 |
53 void MessageReader::OnRead(int result) { | 52 void MessageReader::OnRead(int result) { |
54 DCHECK(read_pending_); | 53 DCHECK(read_pending_); |
55 read_pending_ = false; | 54 read_pending_ = false; |
56 | 55 |
57 if (!closed_) { | 56 if (!closed_) { |
58 HandleReadResult(result); | 57 HandleReadResult(result); |
(...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
117 | 116 |
118 void MessageReader::ProcessDoneEvent() { | 117 void MessageReader::ProcessDoneEvent() { |
119 pending_messages_--; | 118 pending_messages_--; |
120 DCHECK_GE(pending_messages_, 0); | 119 DCHECK_GE(pending_messages_, 0); |
121 | 120 |
122 DoRead(); // Start next read if neccessary. | 121 DoRead(); // Start next read if neccessary. |
123 } | 122 } |
124 | 123 |
125 } // namespace protocol | 124 } // namespace protocol |
126 } // namespace remoting | 125 } // namespace remoting |
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