DwmDnsRRDataLOC.hh

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//===========================================================================
// @(#) $DwmPath: dwm/DwmDns/tags/DwmDns-0.1.0/classes/include/DwmDnsRRDataLOC.hh 10138 $
// @(#) $Id: DwmDnsRRDataLOC.hh 10138 2018-01-28 07:39:44Z dwm $
//===========================================================================
//  Copyright (c) Daniel W. McRobb 2000, 2016, 2018
//  All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions
//  are met:
//
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//  3. The names of the authors and copyright holders may not be used to
//     endorse or promote products derived from this software without
//     specific prior written permission.
//
//  IN NO EVENT SHALL DANIEL W. MCROBB BE LIABLE TO ANY PARTY FOR
//  DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
//  INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF DANIEL W. MCROBB HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
//  DAMAGE.
//
//  THE SOFTWARE PROVIDED HEREIN IS ON AN "AS IS" BASIS, AND
//  DANIEL W. MCROBB HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
//  UPDATES, ENHANCEMENTS, OR MODIFICATIONS. DANIEL W. MCROBB MAKES NO
//  REPRESENTATIONS AND EXTENDS NO WARRANTIES OF ANY KIND, EITHER
//  IMPLIED OR EXPRESS, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//  WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,
//  OR THAT THE USE OF THIS SOFTWARE WILL NOT INFRINGE ANY PATENT,
//  TRADEMARK OR OTHER RIGHTS.
//===========================================================================

//---------------------------------------------------------------------------
//---------------------------------------------------------------------------

#ifndef _DWMDNSRRDATALOC_HH_
#define _DWMDNSRRDATALOC_HH_

#include <cstdint>
#include <iostream>

#include "DwmDnsRRData.hh"

namespace Dwm {

  namespace Dns {
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    class RRDataLOC
      : public RRData
    {
    public:
      static const uint16_t k_rrtype = 29;
      
      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      RRDataLOC();

      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      RRDataLOC(uint8_t version, uint8_t size,
                uint8_t horizontalPrecision, uint8_t verticalPrecision,
                uint32_t iatitude, uint32_t longitude, uint32_t altitude);

      bool operator == (const RRDataLOC & loc) const;

      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t Version() const;
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t Version(uint8_t version);
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t Size() const;
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t Size(uint8_t size);
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t HorizontalPrecision() const;
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t HorizontalPrecision(uint8_t horizontalPrecision);
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t VerticalPrecision() const;
      
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint8_t VerticalPrecision(uint8_t verticalPrecision);
      
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Latitude() const;
      
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Latitude(uint32_t latitude);
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Longitude() const;
    
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Longitude(uint32_t longitude);
      
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Altitude() const;
      
      //----------------------------------------------------------------------

      //----------------------------------------------------------------------
      uint32_t Altitude(uint32_t altitude);

      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      uint8_t *Encode(uint8_t *pkt, uint8_t *ptr, uint16_t pktlen,
                      LabelPositions & lps) const;
      
      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      const uint8_t *Decode(const uint8_t *pkt, const uint8_t *ptr,
                            uint16_t pktlen, uint16_t rdlen);

      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      friend std::ostream & operator << (std::ostream & os,
                                         const RRDataLOC & loc);
      
    private:
      typedef struct __attribute__((packed)) {
        uint8_t   version;
        uint8_t   size;
        uint8_t   horizontalPrecision;
        uint8_t   verticalPrecision;
        uint32_t  latitude;
        uint32_t  longitude;
        uint32_t  altitude;
      } data_t;

      data_t  _data;

      static data_t ToNetworkByteOrder(const data_t *data);
      static data_t ToHostByteOrder(const data_t *data);
    };
    
  }  // namespace Dns
  
}  // namespace Dwm

#endif  // _DWMDNSRRDATALOC_HH_