tcpv6socket.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_TCPV6SOCKET_H

#define NUT_TCPV6SOCKET_H

#include "nutconfig.h"

#ifdef NUTCONFIG_SUPPORT_IPV6

#include "tcpsocket.h"
#include "ipv6address.h"

namespace nut
{

class ENUT_IMPORTEXPORT TCPv6Socket : public TCPSocket
{
public:
        TCPv6Socket();

        TCPv6Socket(const std::string &objName);

        ~TCPv6Socket();

        bool create(uint16_t portNumber = 0);
        bool create(const NetworkLayerAddress &bindAddress, uint16_t portNumber = 0);
        bool destroy();

        bool setNonBlocking(bool f = true);
        
        uint16_t getLocalPortNumber()                                                           { return m_localPort; }

        bool connect(const NetworkLayerAddress &hostAddress, uint16_t portNumber);
        bool listen(int backlog);
        bool accept(TCPSocket **newsock);
        bool isConnected()                                                                      { return m_connected; }
        
        const NetworkLayerAddress *getDestinationAddress() const                                { return m_destIP; }
        uint16_t getDestinationPort() const                                                     { return m_destPort; }
        
        bool write(const void *data, size_t &length);
        bool getAvailableDataLength(size_t &length);
        bool read(void *buffer, size_t &bufferSize);
protected:
        int getSocketDescriptor()                                                               { return m_sock; }
private:
        // make sure we can't copy the socket
        TCPv6Socket(const TCPv6Socket &s) : TCPSocket(s)                                        { }
        TCPv6Socket &operator=(const TCPv6Socket &s)                                            { }
        
        TCPv6Socket(int sock, uint16_t localPort, in6_addr destIP, uint16_t destPort);
        bool internalCreate(in6_addr ip, uint16_t port);
        void zeroAll();

        int m_sock;
        bool m_connected, m_listening;
        uint16_t m_localPort;
        uint16_t m_destPort;
        IPv6Address *m_destIP;
};

}

#endif // NUTCONFIG_SUPPORT_IPV6

#endif // NUT_TCPV6SOCKET_H