third_party/WebKit/Source/web/WebSocketImpl.cpp

   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/DOMArrayBuffer.h"
  35 #include "core/dom/Document.h"
  36 #include "core/frame/ConsoleTypes.h"
  37 #include "modules/websockets/DocumentWebSocketChannel.h"
  38 #include "modules/websockets/WebSocketChannel.h"
  39 #include "public/platform/WebString.h"
  40 #include "public/platform/WebURL.h"
  41 #include "public/web/WebArrayBuffer.h"
  42 #include "public/web/WebDocument.h"
  43 #include "web/WebSocketChannelClientProxy.h"
  44 #include "wtf/text/CString.h"
  45 #include "wtf/text/WTFString.h"
  46
  47 namespace blink {
  48
  49 WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* client)
  50     : m_client(client)
  51     , m_channelProxy(WebSocketChannelClientProxy::create(this))
  52     , m_binaryType(BinaryTypeBlob)
  53     , m_isClosingOrClosed(false)
  54     , m_bufferedAmount(0)
  55     , m_bufferedAmountAfterClose(0)
  56 {
  57     RefPtrWillBeRawPtr<Document> coreDocument = PassRefPtrWillBeRawPtr<Document>(document);
  58     m_private = DocumentWebSocketChannel::create(coreDocument.get(), m_channelProxy.get());
  59 }
  60
  61 WebSocketImpl::~WebSocketImpl()
  62 {
  63     m_private->disconnect();
  64 }
  65
  66 WebSocket::BinaryType WebSocketImpl::binaryType() const
  67 {
  68     return m_binaryType;
  69 }
  70
  71 bool WebSocketImpl::setBinaryType(BinaryType binaryType)
  72 {
  73     if (binaryType > BinaryTypeArrayBuffer)
  74         return false;
  75     m_binaryType = binaryType;
  76     return true;
  77 }
  78
  79 void WebSocketImpl::connect(const WebURL& url, const WebString& protocol)
  80 {
  81     m_private->connect(url, protocol);
  82 }
  83
  84 WebString WebSocketImpl::subprotocol()
  85 {
  86     return m_subprotocol;
  87 }
  88
  89 WebString WebSocketImpl::extensions()
  90 {
  91     return m_extensions;
  92 }
  93
  94 bool WebSocketImpl::sendText(const WebString& message)
  95 {
  96     String coreMessage = message;
  97     CString encodedMessage = coreMessage.utf8();
  98     size_t size = encodedMessage.length();
  99     m_bufferedAmount += size;
 100     if (m_isClosingOrClosed)
 101         m_bufferedAmountAfterClose += size;
 102
 103     // FIXME: Deprecate this call.
 104     m_client->didUpdateBufferedAmount(m_bufferedAmount);
 105
 106     if (m_isClosingOrClosed)
 107         return true;
 108
 109     m_private->send(encodedMessage);
 110     return true;
 111 }
 112
 113 bool WebSocketImpl::sendArrayBuffer(const WebArrayBuffer& webArrayBuffer)
 114 {
 115     size_t size = webArrayBuffer.byteLength();
 116     m_bufferedAmount += size;
 117     if (m_isClosingOrClosed)
 118         m_bufferedAmountAfterClose += size;
 119
 120     // FIXME: Deprecate this call.
 121     m_client->didUpdateBufferedAmount(m_bufferedAmount);
 122
 123     if (m_isClosingOrClosed)
 124         return true;
 125
 126     RefPtr<DOMArrayBuffer> arrayBuffer = PassRefPtr<DOMArrayBuffer>(webArrayBuffer);
 127     m_private->send(*arrayBuffer, 0, arrayBuffer->byteLength());
 128     return true;
 129 }
 130
 131 unsigned long WebSocketImpl::bufferedAmount() const
 132 {
 133     return m_bufferedAmount;
 134 }
 135
 136 void WebSocketImpl::close(int code, const WebString& reason)
 137 {
 138     m_isClosingOrClosed = true;
 139     m_private->close(code, reason);
 140 }
 141
 142 void WebSocketImpl::fail(const WebString& reason)
 143 {
 144     m_private->fail(reason, ErrorMessageLevel, String(), 0);
 145 }
 146
 147 void WebSocketImpl::disconnect()
 148 {
 149     m_private->disconnect();
 150     m_client = nullptr;
 151 }
 152
 153 void WebSocketImpl::didConnect(const String& subprotocol, const String& extensions)
 154 {
 155     m_client->didConnect(subprotocol, extensions);
 156
 157     // FIXME: Deprecate these statements.
 158     m_subprotocol = subprotocol;
 159     m_extensions = extensions;
 160     m_client->didConnect();
 161 }
 162
 163 void WebSocketImpl::didReceiveTextMessage(const String& payload)
 164 {
 165     m_client->didReceiveMessage(WebString(payload));
 166 }
 167
 168 void WebSocketImpl::didReceiveBinaryMessage(PassOwnPtr<Vector<char>> payload)
 169 {
 170     switch (m_binaryType) {
 171     case BinaryTypeBlob:
 172         // FIXME: Handle Blob after supporting WebBlob.
 173         break;
 174     case BinaryTypeArrayBuffer:
 175         m_client->didReceiveArrayBuffer(WebArrayBuffer(DOMArrayBuffer::create(payload->data(), payload->size())));
 176         break;
 177     }
 178 }
 179
 180 void WebSocketImpl::didError()
 181 {
 182     m_client->didReceiveMessageError();
 183 }
 184
 185 void WebSocketImpl::didConsumeBufferedAmount(unsigned long consumed)
 186 {
 187     m_client->didConsumeBufferedAmount(consumed);
 188
 189     // FIXME: Deprecate the following statements.
 190     m_bufferedAmount -= consumed;
 191     m_client->didUpdateBufferedAmount(m_bufferedAmount);
 192 }
 193
 194 void WebSocketImpl::didStartClosingHandshake()
 195 {
 196     m_client->didStartClosingHandshake();
 197 }
 198
 199 void WebSocketImpl::didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
 200 {
 201     m_isClosingOrClosed = true;
 202     m_client->didClose(static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 203
 204     // FIXME: Deprecate this call.
 205     m_client->didClose(m_bufferedAmount - m_bufferedAmountAfterClose, static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 206 }
 207
 208 } // namespace blink