udpsocket.h

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/*
    
  This file is a part of ENUt, a library containing network
  programming utilities.
  
  Copyright (C) 2006-2008  Hasselt University - Expertise Centre for
                      Digital Media (EDM) (http://www.edm.uhasselt.be)

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  
  USA

*/

#ifndef NUT_UDPSOCKET_H

#define NUT_UDPSOCKET_H

#include "nutconfig.h"
#include "nuttypes.h"
#include "datagramsocket.h"
#include "networklayeraddress.h"

namespace nut
{

class ENUT_IMPORTEXPORT UDPSocket : public DatagramSocket
{
protected:
        UDPSocket(NetworkLayerProtocol proto)                                           { m_protocol = proto; }
        UDPSocket(const std::string &objName, NetworkLayerProtocol proto) : DatagramSocket(objName)
                                                                                        { m_protocol = proto; }
public:
        virtual ~UDPSocket()                                                            { }

        NetworkLayerProtocol getProtocol() const                                        { return m_protocol; }

        virtual bool create(uint16_t portNumber = 0, bool obtainDestination = false) = 0;

        virtual bool create(NetworkLayerAddress &bindAddress, uint16_t portNumber = 0, bool obtainDestination = false) = 0;
        
        virtual bool destroy() = 0;

        virtual bool setNonBlocking(bool f = true) = 0;

        virtual uint16_t getLocalPortNumber() const = 0;

        virtual bool setMulticastTTL(uint8_t ttl) = 0;
private:
        NetworkLayerProtocol m_protocol;
};
        
}

#endif // NUT_UDPSOCKET_H