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1 /* | 1 /* |
2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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43 #include "platform/network/SocketStreamHandleClient.h" | 43 #include "platform/network/SocketStreamHandleClient.h" |
44 #include "wtf/Deque.h" | 44 #include "wtf/Deque.h" |
45 #include "wtf/Forward.h" | 45 #include "wtf/Forward.h" |
46 #include "wtf/PassOwnPtr.h" | 46 #include "wtf/PassOwnPtr.h" |
47 #include "wtf/RefCounted.h" | 47 #include "wtf/RefCounted.h" |
48 #include "wtf/Vector.h" | 48 #include "wtf/Vector.h" |
49 #include "wtf/text/CString.h" | 49 #include "wtf/text/CString.h" |
50 | 50 |
51 namespace WebCore { | 51 namespace WebCore { |
52 | 52 |
53 class Blob; | 53 class BlobDataHandle; |
54 class Document; | 54 class Document; |
55 class FileReaderLoader; | 55 class FileReaderLoader; |
56 class SocketStreamHandle; | 56 class SocketStreamHandle; |
57 class SocketStreamError; | 57 class SocketStreamError; |
58 class WebSocketChannelClient; | 58 class WebSocketChannelClient; |
59 | 59 |
60 class MainThreadWebSocketChannel : public RefCounted<MainThreadWebSocketChannel>
, public SocketStreamHandleClient, public WebSocketChannel, public FileReaderLoa
derClient { | 60 class MainThreadWebSocketChannel : public RefCounted<MainThreadWebSocketChannel>
, public SocketStreamHandleClient, public WebSocketChannel, public FileReaderLoa
derClient { |
61 WTF_MAKE_FAST_ALLOCATED; | 61 WTF_MAKE_FAST_ALLOCATED; |
62 public: | 62 public: |
63 // You can specify the source file and the line number information | 63 // You can specify the source file and the line number information |
64 // explicitly by passing the last parameter. | 64 // explicitly by passing the last parameter. |
65 // In the usual case, they are set automatically and you don't have to | 65 // In the usual case, they are set automatically and you don't have to |
66 // pass it. | 66 // pass it. |
67 static PassRefPtr<MainThreadWebSocketChannel> create(Document* document, Web
SocketChannelClient* client, const String& sourceURL = String(), unsigned lineNu
mber = 0) { return adoptRef(new MainThreadWebSocketChannel(document, client, sou
rceURL, lineNumber)); } | 67 static PassRefPtr<MainThreadWebSocketChannel> create(Document* document, Web
SocketChannelClient* client, const String& sourceURL = String(), unsigned lineNu
mber = 0) { return adoptRef(new MainThreadWebSocketChannel(document, client, sou
rceURL, lineNumber)); } |
68 virtual ~MainThreadWebSocketChannel(); | 68 virtual ~MainThreadWebSocketChannel(); |
69 | 69 |
70 bool send(const char* data, int length); | 70 bool send(const char* data, int length); |
71 | 71 |
72 // WebSocketChannel functions. | 72 // WebSocketChannel functions. |
73 virtual void connect(const KURL&, const String& protocol) OVERRIDE; | 73 virtual void connect(const KURL&, const String& protocol) OVERRIDE; |
74 virtual String subprotocol() OVERRIDE; | 74 virtual String subprotocol() OVERRIDE; |
75 virtual String extensions() OVERRIDE; | 75 virtual String extensions() OVERRIDE; |
76 virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE; | 76 virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE; |
77 virtual WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteO
ffset, unsigned byteLength) OVERRIDE; | 77 virtual WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteO
ffset, unsigned byteLength) OVERRIDE; |
78 virtual WebSocketChannel::SendResult send(const Blob&) OVERRIDE; | 78 virtual WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>) OVERRI
DE; |
79 virtual unsigned long bufferedAmount() const OVERRIDE; | 79 virtual unsigned long bufferedAmount() const OVERRIDE; |
80 // Start closing handshake. Use the CloseEventCodeNotSpecified for the code | 80 // Start closing handshake. Use the CloseEventCodeNotSpecified for the code |
81 // argument to omit payload. | 81 // argument to omit payload. |
82 virtual void close(int code, const String& reason) OVERRIDE; | 82 virtual void close(int code, const String& reason) OVERRIDE; |
83 virtual void fail(const String& reason, MessageLevel, const String&, unsigne
d lineNumber) OVERRIDE; | 83 virtual void fail(const String& reason, MessageLevel, const String&, unsigne
d lineNumber) OVERRIDE; |
84 using WebSocketChannel::fail; | 84 using WebSocketChannel::fail; |
85 virtual void disconnect() OVERRIDE; | 85 virtual void disconnect() OVERRIDE; |
86 | 86 |
87 virtual void suspend() OVERRIDE; | 87 virtual void suspend() OVERRIDE; |
88 virtual void resume() OVERRIDE; | 88 virtual void resume() OVERRIDE; |
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133 QueuedFrameTypeString, | 133 QueuedFrameTypeString, |
134 QueuedFrameTypeVector, | 134 QueuedFrameTypeVector, |
135 QueuedFrameTypeBlob | 135 QueuedFrameTypeBlob |
136 }; | 136 }; |
137 struct QueuedFrame { | 137 struct QueuedFrame { |
138 WebSocketFrame::OpCode opCode; | 138 WebSocketFrame::OpCode opCode; |
139 QueuedFrameType frameType; | 139 QueuedFrameType frameType; |
140 // Only one of the following items is used, according to the value of fr
ameType. | 140 // Only one of the following items is used, according to the value of fr
ameType. |
141 CString stringData; | 141 CString stringData; |
142 Vector<char> vectorData; | 142 Vector<char> vectorData; |
143 RefPtr<Blob> blobData; | 143 RefPtr<BlobDataHandle> blobData; |
144 }; | 144 }; |
145 void enqueueTextFrame(const CString&); | 145 void enqueueTextFrame(const CString&); |
146 void enqueueRawFrame(WebSocketFrame::OpCode, const char* data, size_t dataLe
ngth); | 146 void enqueueRawFrame(WebSocketFrame::OpCode, const char* data, size_t dataLe
ngth); |
147 void enqueueBlobFrame(WebSocketFrame::OpCode, const Blob&); | 147 void enqueueBlobFrame(WebSocketFrame::OpCode, PassRefPtr<BlobDataHandle>); |
148 | 148 |
149 void failAsError(const String& reason) { fail(reason, ErrorMessageLevel, m_s
ourceURLAtConnection, m_lineNumberAtConnection); } | 149 void failAsError(const String& reason) { fail(reason, ErrorMessageLevel, m_s
ourceURLAtConnection, m_lineNumberAtConnection); } |
150 void processOutgoingFrameQueue(); | 150 void processOutgoingFrameQueue(); |
151 void abortOutgoingFrameQueue(); | 151 void abortOutgoingFrameQueue(); |
152 | 152 |
153 enum OutgoingFrameQueueStatus { | 153 enum OutgoingFrameQueueStatus { |
154 // It is allowed to put a new item into the queue. | 154 // It is allowed to put a new item into the queue. |
155 OutgoingFrameQueueOpen, | 155 OutgoingFrameQueueOpen, |
156 // Close frame has already been put into the queue but may not have been
sent yet; | 156 // Close frame has already been put into the queue but may not have been
sent yet; |
157 // m_handle->close() will be called as soon as the queue is cleared. It
is not | 157 // m_handle->close() will be called as soon as the queue is cleared. It
is not |
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213 | 213 |
214 String m_sourceURLAtConnection; | 214 String m_sourceURLAtConnection; |
215 unsigned m_lineNumberAtConnection; | 215 unsigned m_lineNumberAtConnection; |
216 WebSocketPerMessageDeflate m_perMessageDeflate; | 216 WebSocketPerMessageDeflate m_perMessageDeflate; |
217 WebSocketDeflateFramer m_deflateFramer; | 217 WebSocketDeflateFramer m_deflateFramer; |
218 }; | 218 }; |
219 | 219 |
220 } // namespace WebCore | 220 } // namespace WebCore |
221 | 221 |
222 #endif // MainThreadWebSocketChannel_h | 222 #endif // MainThreadWebSocketChannel_h |
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