socket.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_SOCKET_H

#define NUT_SOCKET_H

#include "nutconfig.h"
#include "nuttypes.h"
#include <errut/errorbase.h>
#include <stdio.h>
#if !(defined(WIN32) || defined(_WIN32_WCE))
        #include <sys/socket.h>
        #include <netinet/in.h>
        #include <arpa/inet.h>
        #include <sys/ioctl.h>
        #include <net/if.h>
        #include <string.h>
        #include <netdb.h>
        #include <unistd.h>
        #include <errno.h>
#endif // ! (WIN32 || _WIN32_WCE)

namespace nut
{

class ENUT_IMPORTEXPORT Socket : public errut::ErrorBase
{
protected:
        Socket()                                                                                        { m_dataAvailable = false; }

        Socket(const std::string &objName) : errut::ErrorBase(objName)                                  { }
public:
        ~Socket()                                                                                       { }

        bool setSocketOption(int level, int optname, const void *optval, socklen_t optlen);

        bool getSocketOption(int level, int optname, void *optval, socklen_t *optlen);
        
        bool waitForData(int seconds = -1, int microSeconds = -1);

        bool isDataAvailable() const                                                                    { return m_dataAvailable; }
protected:
#if (defined(WIN32) || defined(_WIN32_WCE))
        virtual SOCKET getSocketDescriptor() = 0;
#else
        virtual int getSocketDescriptor() = 0;
#endif // WIN32 || _WIN32_WCE
private:
        void setDataAvailable(bool f)                                                                   { m_dataAvailable = f; }

        bool m_dataAvailable;
        
        friend class SocketWaiter;
};
        
} // end namespace
        
#endif // NUT_SOCKET_H