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/* 
 * x224.h 
 * 
 * X.224 protocol handler 
 * 
 * Open H323 Library 
 * 
 * Copyright (c) 1998-2000 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 Open H323 Library. 
 * 
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd. 
 * 
 * Contributor(s): ______________________________________. 
 * 
 * $Log: x224.h,v $ 
 * Revision 1.10  2002/09/16 01:14:15  robertj 
 * Added #define so can select if #pragma interface/implementation is used on 
 *   platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan. 
 * 
 * Revision 1.9  2002/09/03 06:19:37  robertj 
 * Normalised the multi-include header prevention ifdef/define symbol. 
 * 
 * Revision 1.8  2002/08/05 10:03:47  robertj 
 * Cosmetic changes to normalise the usage of pragma interface/implementation. 
 * 
 * Revision 1.7  2001/02/09 05:16:24  robertj 
 * Added #pragma interface for GNU C++. 
 * 
 * Revision 1.6  2000/05/18 11:53:35  robertj 
 * Changes to support doc++ documentation generation. 
 * 
 * Revision 1.5  2000/05/02 04:32:25  robertj 
 * Fixed copyright notice comment. 
 * 
 * Revision 1.4  1999/08/31 13:30:20  robertj 
 * Added gatekeeper support. 
 * 
 * Revision 1.3  1999/06/09 05:26:20  robertj 
 * Major restructuring of classes. 
 * 
 * Revision 1.2  1999/01/16 11:31:47  robertj 
 * Fixed name in header comment. 
 * 
 * Revision 1.1  1998/12/14 09:13:51  robertj 
 * Initial revision 
 * 
 */ 
 
#ifndef __OPAL_X224_H 
#define __OPAL_X224_H 
 
#ifdef P_USE_PRAGMA 
#pragma interface 
#endif 
 
 
#include  
 
 
 
/////////////////////////////////////////////////////////////////////////////// 
 
/**This class embodies X.224 Class Zero Protocol Data Unit. 
  */ 
class X224 : public PObject 
{ 
  PCLASSINFO(X224, PObject) 
 
  public: 
    enum Codes { 
      ConnectRequest = 0xe0, 
      ConnectConfirm = 0xd0, 
      DataPDU = 0xf0 
    }; 
 
    X224(); 
 
    void BuildConnectRequest(); 
    void BuildConnectConfirm(); 
    void BuildData(const PBYTEArray & data); 
 
    void PrintOn(ostream & strm) const; 
    BOOL Decode(const PBYTEArray & rawData); 
    BOOL Encode(PBYTEArray & rawData) const; 
 
    int GetCode() const { return header[0]; } 
    const PBYTEArray & GetData() const { return data; } 
 
  private: 
    PBYTEArray header; 
    PBYTEArray data; 
}; 
 
 
#endif // __OPAL_X224_H 
 
 
/////////////////////////////////////////////////////////////////////////////