udpsock.h

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/*
 * udpsock.h
 *
 * User Datagram Protocol socket I/O channel class.
 *
 * Portable Windows Library
 *
 * Copyright (c) 1993-1998 Equivalence Pty. Ltd.
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Portable Windows Library.
 *
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
 *
 * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
 * All Rights Reserved.
 *
 * Contributor(s): ______________________________________.
 *
 * $Revision: 24457 $
 * $Author: shorne $
 * $Date: 2010-06-06 08:49:59 -0500 (Sun, 06 Jun 2010) $
 */

#ifndef PTLIB_UDPSOCKET_H
#define PTLIB_UDPSOCKET_H

#ifdef P_USE_PRAGMA
#pragma interface
#endif

#include <ptlib/ipdsock.h>
#include <ptlib/qos.h>
 
class PUDPSocket : public PIPDatagramSocket
{
  PCLASSINFO(PUDPSocket, PIPDatagramSocket);

  public:
    PUDPSocket(
      WORD port = 0,             
          int iAddressFamily = AF_INET 
    );
    PUDPSocket(
       PQoS * qos,              
      WORD port = 0,            
          int iAddressFamily = AF_INET 
    );
    PUDPSocket(
      const PString & service,   
      PQoS * qos = NULL,         
          int iAddressFamily = AF_INET 
    );
    PUDPSocket(
      const PString & address,  
      WORD port                 
    );
    PUDPSocket(
      const PString & address,  
      const PString & service   
    );

    PBoolean Read(
      void * buf,   
      PINDEX len    
    );

    PBoolean Write(
      const void * buf, 
      PINDEX len        
    );

    PBoolean Connect(
      const PString & address   
    );

    void SetSendAddress(
      const Address & address,    
      WORD port                   
    );

    void GetSendAddress(
      Address & address,    
      WORD & port           
    );


    virtual PBoolean ModifyQoSSpec(
      PQoS * qos            
    );

#if P_QOS

    virtual PQoS & GetQoSSpec();
#endif

    void GetLastReceiveAddress(
      Address & address,    
      WORD & port           
    );

        virtual PBoolean IsAlternateAddress(
                const Address & address,    
                WORD port                                       
                );


        virtual PBoolean DoPseudoRead(int & selectStatus);

    static PBoolean SupportQoS(const PIPSocket::Address & address);

    static void EnableGQoS();

  protected:
    // Open an IPv4 socket (for backward compatibility)
    virtual PBoolean OpenSocket();

    // Open an IPv4 or IPv6 socket
    virtual PBoolean OpenSocket(
      int ipAdressFamily
    );

    // Create a QOS-enabled socket
    virtual PBoolean OpenSocketGQOS(int af, int type, int proto);

    // Modify the QOS settings
    virtual PBoolean ApplyQoS();

    virtual const char * GetProtocolName() const;

    Address sendAddress;
    WORD    sendPort;

    Address lastReceiveAddress;
    WORD    lastReceivePort;

    PQoS    qosSpec;

// Include platform dependent part of class
#ifdef _WIN32
#include "msos/ptlib/udpsock.h"
#else
#include "unix/ptlib/udpsock.h"
#endif
};

#if P_QOS

#ifdef _WIN32
#include <winbase.h>
#include <winreg.h>

class PWinQoS : public PObject
{
    PCLASSINFO(PWinQoS,PObject);

public:
    PWinQoS(PQoS & pqos, struct sockaddr * to, char * inBuf, DWORD & bufLen);
    ~PWinQoS();
    
    //QOS qos;
    //QOS_DESTADDR qosdestaddr;
protected:
    sockaddr * sa;
};

#endif  // _WIN32
#endif // P_QOS


#endif // PTLIB_UDPSOCKET_H


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