/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 * Copyright (C) 2009, 2012 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 SocketStreamHandleBase_h
#define SocketStreamHandleBase_h

#include "KURL.h"

#include <Timer.h>
#include <wtf/StreamBuffer.h>

namespace WebCore {

class SocketStreamHandle;
class SocketStreamHandleClient;

class SocketStreamHandleBase {
public:
	enum SocketStreamState { Connecting, Open, Closing, Closed };
	virtual ~SocketStreamHandleBase() { }
	SocketStreamState state() const;

	bool send(const char* data, int length);
	void close(); // Disconnect after all data in buffer are sent.
	void disconnect();
	size_t bufferedAmount() const { return m_buffer.size(); }

	SocketStreamHandleClient* client() const { return m_client; }
	void setClient(SocketStreamHandleClient*);

protected:
	SocketStreamHandleBase(const KURL&, SocketStreamHandleClient*);

	bool sendPendingDataOnce();

	virtual int platformSend(const char* data, int length) = 0;
	virtual void platformClose() = 0;

    void sendTimerFired(Timer<SocketStreamHandleBase>*);

	KURL m_url;
	SocketStreamHandleClient* m_client;
	StreamBuffer<char, 1024 * 1024> m_buffer;
	SocketStreamState m_state;
    Timer<SocketStreamHandleBase> m_sendtimer;
};

inline SocketStreamHandleBase::SocketStreamHandleBase(const KURL& url, SocketStreamHandleClient* client)
	: m_url(url)
	, m_client(client)
	, m_state(Connecting)
, m_sendtimer(this, &SocketStreamHandleBase::sendTimerFired)
{
}

inline SocketStreamHandleBase::SocketStreamState SocketStreamHandleBase::state() const
{
	return m_state;
}
}  // namespace WebCore

#endif  // SocketStreamHandleBase_h
