WebSocket implementation in WebKit

WebCore/websockets/WebSocketChannel.h

+/*
+ * Copyright (C) 2009 Google Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebSocketChannel_h
+#define WebSocketChannel_h
+
+#include "SocketStreamHandleClient.h"
+#include "WebSocketRequest.h"
+#include "WebSocketResponse.h"
+#include <wtf/OwnPtr.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class ScriptExecutionContext;
+class String;
+class SocketStreamHandle;
+class SocketStreamHandleError;
+class WebSocketChannelClient;
+
+class WebSocketChannel : public RefCounted<WebSocketChannel>, public SocketStreamHandleClient {
+public:
+    static PassRefPtr<WebSocketChannel> create(ScriptExecutionContext* context, WebSocketChannelClient* client, const WebSocketRequest& request) { return new WebSocketChannel(context, client, request); }
+    virtual ~WebSocketChannel();
+
+    virtual void connect();
+
+    virtual bool send(const String& msg);
+    virtual unsigned long bufferedAmount() const;
+
+    virtual void close();
+
+    virtual void didOpen(SocketStreamHandle*);
+    virtual void didClose(SocketStreamHandle*);
+    virtual void didReceivedData(SocketStreamHandle*, const char*, int);
+    virtual void didFail(SocketStreamHandle*, const SocketStreamHandleError&);
+
+private:
+    WebSocketChannel(ScriptExecutionContext*, WebSocketChannelClient*, const WebSocketRequest&);
+
+    ScriptExecutionContext* m_context;
+    WebSocketChannelClient* m_client;
+    WebSocketRequest m_request;
+    WebSocketResponse m_response;
+    RefPtr<SocketStreamHandle> m_handle;
+    bool m_handshaked;
+    long m_buffered_amount;
+    RefPtr<SharedBuffer> m_buffer;
+};
+
+}  // namespace WebCore
+
+#endif  // WebSocketChannel_h