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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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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83 void sendBinaryAsCharVector(PassOwnPtr<Vector<char>> data) override; | 83 void sendBinaryAsCharVector(PassOwnPtr<Vector<char>> data) override; |
84 // Start closing handshake. Use the CloseEventCodeNotSpecified for the code | 84 // Start closing handshake. Use the CloseEventCodeNotSpecified for the code |
85 // argument to omit payload. | 85 // argument to omit payload. |
86 void close(int code, const String& reason) override; | 86 void close(int code, const String& reason) override; |
87 void fail(const String& reason, MessageLevel, const String&, unsigned lineNu
mber) override; | 87 void fail(const String& reason, MessageLevel, const String&, unsigned lineNu
mber) override; |
88 void disconnect() override; | 88 void disconnect() override; |
89 | 89 |
90 DECLARE_VIRTUAL_TRACE(); | 90 DECLARE_VIRTUAL_TRACE(); |
91 | 91 |
92 private: | 92 private: |
| 93 class BlobLoader; |
| 94 class Message; |
| 95 |
93 enum MessageType { | 96 enum MessageType { |
94 MessageTypeText, | 97 MessageTypeText, |
95 MessageTypeBlob, | 98 MessageTypeBlob, |
96 MessageTypeArrayBuffer, | 99 MessageTypeArrayBuffer, |
97 MessageTypeTextAsCharVector, | 100 MessageTypeTextAsCharVector, |
98 MessageTypeBinaryAsCharVector, | 101 MessageTypeBinaryAsCharVector, |
99 MessageTypeClose, | 102 MessageTypeClose, |
100 }; | 103 }; |
101 | 104 |
102 struct Message { | |
103 explicit Message(const CString&); | |
104 explicit Message(PassRefPtr<BlobDataHandle>); | |
105 explicit Message(PassRefPtr<DOMArrayBuffer>); | |
106 // For WorkerWebSocketChannel | |
107 explicit Message(PassOwnPtr<Vector<char>>, MessageType); | |
108 // Close message | |
109 Message(unsigned short code, const String& reason); | |
110 | |
111 MessageType type; | |
112 | |
113 CString text; | |
114 RefPtr<BlobDataHandle> blobDataHandle; | |
115 RefPtr<DOMArrayBuffer> arrayBuffer; | |
116 OwnPtr<Vector<char>> vectorData; | |
117 unsigned short code; | |
118 String reason; | |
119 }; | |
120 | |
121 struct ReceivedMessage { | 105 struct ReceivedMessage { |
122 bool isMessageText; | 106 bool isMessageText; |
123 Vector<char> data; | 107 Vector<char> data; |
124 }; | 108 }; |
125 | 109 |
126 class BlobLoader; | |
127 | |
128 DocumentWebSocketChannel(Document*, WebSocketChannelClient*, const String&,
unsigned, WebSocketHandle*); | 110 DocumentWebSocketChannel(Document*, WebSocketChannelClient*, const String&,
unsigned, WebSocketHandle*); |
129 void sendInternal(WebSocketHandle::MessageType, const char* data, size_t tot
alSize, uint64_t* consumedBufferedAmount); | 111 void sendInternal(WebSocketHandle::MessageType, const char* data, size_t tot
alSize, uint64_t* consumedBufferedAmount); |
130 void processSendQueue(); | 112 void processSendQueue(); |
131 void flowControlIfNecessary(); | 113 void flowControlIfNecessary(); |
132 void failAsError(const String& reason) { fail(reason, ErrorMessageLevel, m_s
ourceURLAtConstruction, m_lineNumberAtConstruction); } | 114 void failAsError(const String& reason) { fail(reason, ErrorMessageLevel, m_s
ourceURLAtConstruction, m_lineNumberAtConstruction); } |
133 void abortAsyncOperations(); | 115 void abortAsyncOperations(); |
134 void handleDidClose(bool wasClean, unsigned short code, const String& reason
); | 116 void handleDidClose(bool wasClean, unsigned short code, const String& reason
); |
135 Document* document(); | 117 Document* document(); |
136 | 118 |
137 // WebSocketHandleClient functions. | 119 // WebSocketHandleClient functions. |
138 void didConnect(WebSocketHandle*, const WebString& selectedProtocol, const W
ebString& extensions) override; | 120 void didConnect(WebSocketHandle*, const WebString& selectedProtocol, const W
ebString& extensions) override; |
139 void didStartOpeningHandshake(WebSocketHandle*, const WebSocketHandshakeRequ
estInfo&) override; | 121 void didStartOpeningHandshake(WebSocketHandle*, const WebSocketHandshakeRequ
estInfo&) override; |
140 void didFinishOpeningHandshake(WebSocketHandle*, const WebSocketHandshakeRes
ponseInfo&) override; | 122 void didFinishOpeningHandshake(WebSocketHandle*, const WebSocketHandshakeRes
ponseInfo&) override; |
141 void didFail(WebSocketHandle*, const WebString& message) override; | 123 void didFail(WebSocketHandle*, const WebString& message) override; |
142 void didReceiveData(WebSocketHandle*, bool fin, WebSocketHandle::MessageType
, const char* data, size_t /* size */) override; | 124 void didReceiveData(WebSocketHandle*, bool fin, WebSocketHandle::MessageType
, const char* data, size_t /* size */) override; |
143 void didClose(WebSocketHandle*, bool wasClean, unsigned short code, const We
bString& reason) override; | 125 void didClose(WebSocketHandle*, bool wasClean, unsigned short code, const We
bString& reason) override; |
144 void didReceiveFlowControl(WebSocketHandle*, int64_t quota) override; | 126 void didReceiveFlowControl(WebSocketHandle*, int64_t quota) override; |
145 void didStartClosingHandshake(WebSocketHandle*) override; | 127 void didStartClosingHandshake(WebSocketHandle*) override; |
146 | 128 |
147 // Methods for BlobLoader. | 129 // Methods for BlobLoader. |
148 void didFinishLoadingBlob(PassRefPtr<DOMArrayBuffer>); | 130 void didFinishLoadingBlob(DOMArrayBuffer*); |
149 void didFailLoadingBlob(FileError::ErrorCode); | 131 void didFailLoadingBlob(FileError::ErrorCode); |
150 | 132 |
151 // m_handle is a handle of the connection. | 133 // m_handle is a handle of the connection. |
152 // m_handle == 0 means this channel is closed. | 134 // m_handle == 0 means this channel is closed. |
153 OwnPtr<WebSocketHandle> m_handle; | 135 OwnPtr<WebSocketHandle> m_handle; |
154 | 136 |
155 // m_client can be deleted while this channel is alive, but this class | 137 // m_client can be deleted while this channel is alive, but this class |
156 // expects that disconnect() is called before the deletion. | 138 // expects that disconnect() is called before the deletion. |
157 Member<WebSocketChannelClient> m_client; | 139 Member<WebSocketChannelClient> m_client; |
158 KURL m_url; | 140 KURL m_url; |
159 // m_identifier > 0 means calling scriptContextExecution() returns a Documen
t. | 141 // m_identifier > 0 means calling scriptContextExecution() returns a Documen
t. |
160 unsigned long m_identifier; | 142 unsigned long m_identifier; |
161 Member<BlobLoader> m_blobLoader; | 143 Member<BlobLoader> m_blobLoader; |
162 Deque<OwnPtr<Message>> m_messages; | 144 HeapDeque<Member<Message>> m_messages; |
163 Vector<char> m_receivingMessageData; | 145 Vector<char> m_receivingMessageData; |
164 | 146 |
165 bool m_receivingMessageTypeIsText; | 147 bool m_receivingMessageTypeIsText; |
166 uint64_t m_sendingQuota; | 148 uint64_t m_sendingQuota; |
167 uint64_t m_receivedDataSizeForFlowControl; | 149 uint64_t m_receivedDataSizeForFlowControl; |
168 size_t m_sentSizeOfTopMessage; | 150 size_t m_sentSizeOfTopMessage; |
169 | 151 |
170 String m_sourceURLAtConstruction; | 152 String m_sourceURLAtConstruction; |
171 unsigned m_lineNumberAtConstruction; | 153 unsigned m_lineNumberAtConstruction; |
172 RefPtr<WebSocketHandshakeRequest> m_handshakeRequest; | 154 RefPtr<WebSocketHandshakeRequest> m_handshakeRequest; |
173 | 155 |
174 static const uint64_t receivedDataSizeForFlowControlHighWaterMark = 1 << 15; | 156 static const uint64_t receivedDataSizeForFlowControlHighWaterMark = 1 << 15; |
175 }; | 157 }; |
176 | 158 |
177 } // namespace blink | 159 } // namespace blink |
178 | 160 |
179 #endif // DocumentWebSocketChannel_h | 161 #endif // DocumentWebSocketChannel_h |
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