1 /*
2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "web/WebSocketImpl.h"
33
34 #include "core/dom/Document.h"
35 #include "core/frame/ConsoleTypes.h"
36 #include "modules/websockets/MainThreadWebSocketChannel.h"
37 #include "modules/websockets/NewWebSocketChannelImpl.h"
38 #include "modules/websockets/WebSocketChannel.h"
39 #include "platform/RuntimeEnabledFeatures.h"
40 #include "public/platform/WebArrayBuffer.h"
41 #include "public/platform/WebString.h"
42 #include "public/platform/WebURL.h"
43 #include "public/web/WebDocument.h"
44 #include "web/WebSocketChannelClientProxy.h"
45 #include "wtf/ArrayBuffer.h"
46 #include "wtf/text/CString.h"
47 #include "wtf/text/WTFString.h"
48
49 namespace blink {
50
WebSocketImpl(const WebDocument & document,WebSocketClient * client)51 WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* client)
52 : m_client(client)
53 , m_channelProxy(WebSocketChannelClientProxy::create(this))
54 , m_binaryType(BinaryTypeBlob)
55 , m_isClosingOrClosed(false)
56 , m_bufferedAmount(0)
57 , m_bufferedAmountAfterClose(0)
58 {
59 RefPtrWillBeRawPtr<Document> coreDocument = PassRefPtrWillBeRawPtr<Document>(document);
60 if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
61 m_private = NewWebSocketChannelImpl::create(coreDocument.get(), m_channelProxy.get());
62 } else {
63 m_private = MainThreadWebSocketChannel::create(coreDocument.get(), m_channelProxy.get());
64 }
65 }
66
~WebSocketImpl()67 WebSocketImpl::~WebSocketImpl()
68 {
69 m_private->disconnect();
70 }
71
binaryType() const72 WebSocket::BinaryType WebSocketImpl::binaryType() const
73 {
74 return m_binaryType;
75 }
76
setBinaryType(BinaryType binaryType)77 bool WebSocketImpl::setBinaryType(BinaryType binaryType)
78 {
79 if (binaryType > BinaryTypeArrayBuffer)
80 return false;
81 m_binaryType = binaryType;
82 return true;
83 }
84
connect(const WebURL & url,const WebString & protocol)85 void WebSocketImpl::connect(const WebURL& url, const WebString& protocol)
86 {
87 m_private->connect(url, protocol);
88 }
89
subprotocol()90 WebString WebSocketImpl::subprotocol()
91 {
92 return m_subprotocol;
93 }
94
extensions()95 WebString WebSocketImpl::extensions()
96 {
97 return m_extensions;
98 }
99
sendText(const WebString & message)100 bool WebSocketImpl::sendText(const WebString& message)
101 {
102 size_t size = message.utf8().length();
103 m_bufferedAmount += size;
104 if (m_isClosingOrClosed)
105 m_bufferedAmountAfterClose += size;
106
107 // FIXME: Deprecate this call.
108 m_client->didUpdateBufferedAmount(m_bufferedAmount);
109
110 if (m_isClosingOrClosed)
111 return true;
112
113 m_private->send(message);
114 return true;
115 }
116
sendArrayBuffer(const WebArrayBuffer & webArrayBuffer)117 bool WebSocketImpl::sendArrayBuffer(const WebArrayBuffer& webArrayBuffer)
118 {
119 size_t size = webArrayBuffer.byteLength();
120 m_bufferedAmount += size;
121 if (m_isClosingOrClosed)
122 m_bufferedAmountAfterClose += size;
123
124 // FIXME: Deprecate this call.
125 m_client->didUpdateBufferedAmount(m_bufferedAmount);
126
127 if (m_isClosingOrClosed)
128 return true;
129
130 m_private->send(*PassRefPtr<ArrayBuffer>(webArrayBuffer), 0, webArrayBuffer.byteLength());
131 return true;
132 }
133
bufferedAmount() const134 unsigned long WebSocketImpl::bufferedAmount() const
135 {
136 return m_bufferedAmount;
137 }
138
close(int code,const WebString & reason)139 void WebSocketImpl::close(int code, const WebString& reason)
140 {
141 m_isClosingOrClosed = true;
142 m_private->close(code, reason);
143 }
144
fail(const WebString & reason)145 void WebSocketImpl::fail(const WebString& reason)
146 {
147 m_private->fail(reason, ErrorMessageLevel, String(), 0);
148 }
149
disconnect()150 void WebSocketImpl::disconnect()
151 {
152 m_private->disconnect();
153 m_client = 0;
154 }
155
didConnect(const String & subprotocol,const String & extensions)156 void WebSocketImpl::didConnect(const String& subprotocol, const String& extensions)
157 {
158 m_client->didConnect(subprotocol, extensions);
159
160 // FIXME: Deprecate these statements.
161 m_subprotocol = subprotocol;
162 m_extensions = extensions;
163 m_client->didConnect();
164 }
165
didReceiveMessage(const String & message)166 void WebSocketImpl::didReceiveMessage(const String& message)
167 {
168 m_client->didReceiveMessage(WebString(message));
169 }
170
didReceiveBinaryData(PassOwnPtr<Vector<char>> binaryData)171 void WebSocketImpl::didReceiveBinaryData(PassOwnPtr<Vector<char> > binaryData)
172 {
173 switch (m_binaryType) {
174 case BinaryTypeBlob:
175 // FIXME: Handle Blob after supporting WebBlob.
176 break;
177 case BinaryTypeArrayBuffer:
178 m_client->didReceiveArrayBuffer(WebArrayBuffer(ArrayBuffer::create(binaryData->data(), binaryData->size())));
179 break;
180 }
181 }
182
didReceiveMessageError()183 void WebSocketImpl::didReceiveMessageError()
184 {
185 m_client->didReceiveMessageError();
186 }
187
didConsumeBufferedAmount(unsigned long consumed)188 void WebSocketImpl::didConsumeBufferedAmount(unsigned long consumed)
189 {
190 m_client->didConsumeBufferedAmount(consumed);
191
192 // FIXME: Deprecate the following statements.
193 m_bufferedAmount -= consumed;
194 m_client->didUpdateBufferedAmount(m_bufferedAmount);
195 }
196
didStartClosingHandshake()197 void WebSocketImpl::didStartClosingHandshake()
198 {
199 m_client->didStartClosingHandshake();
200 }
201
didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus status,unsigned short code,const String & reason)202 void WebSocketImpl::didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
203 {
204 m_isClosingOrClosed = true;
205 m_client->didClose(static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
206
207 // FIXME: Deprecate this call.
208 m_client->didClose(m_bufferedAmount - m_bufferedAmountAfterClose, static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
209 }
210
211 } // namespace blink
212