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Class: Resolv::DNS::Resource::LOC

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Resolv::DNS::Resource, ::Resolv::DNS::Query
Instance Chain:
self, ::Resolv::DNS::Resource, ::Resolv::DNS::Query
Inherits: Resolv::DNS::Resource
Defined in: lib/resolv.rb

Overview

Location resource

Constant Summary

::Resolv::DNS::Resource - Inherited

ClassHash, ClassInsensitiveTypes, ClassValue

Class Method Summary

::Resolv::DNS::Resource - Inherited

.decode_rdata, .get_class

::Resolv::DNS::Query - Inherited

.decode_rdata

Instance Attribute Summary

  • #altitude readonly

    The altitude of the LOC above a reference sphere whose surface sits 100km below the WGS84 spheroid in centimeters as an unsigned 32bit integer.

  • #hprecision readonly

    The horizontal precision using ssize type values in meters using scientific notation as 2 integers of XeY for precision use value/2 e.g.

  • #latitude readonly

    The latitude for this LOC where 2**31 is the equator in thousandths of an arc second as an unsigned 32bit integer.

  • #longitude readonly

    The longitude for this LOC where 2**31 is the prime meridian in thousandths of an arc second as an unsigned 32bit integer.

  • #ssize readonly

    The spherical size of this LOC in meters using scientific notation as 2 integers of XeY.

  • #version readonly

    Returns the version value for this LOC record which should always be 00.

  • #vprecision readonly

    The vertical precision using ssize type values in meters using scientific notation as 2 integers of XeY for precision use value/2 e.g.

::Resolv::DNS::Resource - Inherited

#ttl

Remaining Time To Live for this ::Resolv::DNS::Resource.

Instance Method Summary

::Resolv::DNS::Resource - Inherited

#==, #encode_rdata, #eql?, #hash

::Resolv::DNS::Query - Inherited

#encode_rdata

Constructor Details

.new(version, ssize, hprecision, vprecision, latitude, longitude, altitude) ⇒ LOC

[ GitHub ] 

  


# File 'lib/resolv.rb', line 2053



def initialize(version, ssize, hprecision, vprecision, latitude, longitude, altitude)
  @version    = version
  @ssize      = Resolv::LOC::Size.create(ssize)
  @hprecision = Resolv::LOC::Size.create(hprecision)
  @vprecision = Resolv::LOC::Size.create(vprecision)
  @latitude   = Resolv::LOC::Coord.create(latitude)
  @longitude  = Resolv::LOC::Coord.create(longitude)
  @altitude   = Resolv::LOC::Alt.create(altitude)
end


  







Class Method Details



  

    .decode_rdata(msg)  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2117



def self.decode_rdata(msg) # :nodoc:
  version    = msg.get_bytes(1)
  ssize      = msg.get_bytes(1)
  hprecision = msg.get_bytes(1)
  vprecision = msg.get_bytes(1)
  latitude   = msg.get_bytes(4)
  longitude  = msg.get_bytes(4)
  altitude   = msg.get_bytes(4)
  return self.new(
    version,
    Resolv::LOC::Size.new(ssize),
    Resolv::LOC::Size.new(hprecision),
    Resolv::LOC::Size.new(vprecision),
    Resolv::LOC::Coord.new(latitude,"lat"),
    Resolv::LOC::Coord.new(longitude,"lon"),
    Resolv::LOC::Alt.new(altitude)
  )
end


  







Instance Attribute Details



  

    #altitude   (readonly)
  



  

    

The altitude of the LOC above a reference sphere whose surface sits 100km below the WGS84 spheroid in centimeters as an unsigned 32bit integer


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2104



attr_reader :altitude


  








  

    #hprecision   (readonly)
  



  

    

The horizontal precision using ssize type values in meters using scientific notation as 2 integers of XeY for precision use value/2 e.g. 2m = +/-1m


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2079



attr_reader :hprecision


  








  

    #latitude   (readonly)
  



  

    

The latitude for this LOC where 2**31 is the equator in thousandths of an arc second as an unsigned 32bit integer


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2092



attr_reader :latitude


  








  

    #longitude   (readonly)
  



  

    

The longitude for this LOC where 2**31 is the prime meridian in thousandths of an arc second as an unsigned 32bit integer


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2098



attr_reader :longitude


  








  

    #ssize   (readonly)
  



  

    

The spherical size of this LOC in meters using scientific notation as 2 integers of XeY


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2072



attr_reader :ssize


  








  

    #version   (readonly)
  



  

    

Returns the version value for this LOC record which should always be 00


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2066



attr_reader :version


  








  

    #vprecision   (readonly)
  



  

    

The vertical precision using ssize type values in meters using scientific notation as 2 integers of XeY for precision use value/2 e.g. 2m = +/-1m


  



  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2086



attr_reader :vprecision


  







Instance Method Details



  

    #encode_rdata(msg)  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/resolv.rb', line 2107



def encode_rdata(msg) # :nodoc:
  msg.put_bytes(@version)
  msg.put_bytes(@ssize.scalar)
  msg.put_bytes(@hprecision.scalar)
  msg.put_bytes(@vprecision.scalar)
  msg.put_bytes(@latitude.coordinates)
  msg.put_bytes(@longitude.coordinates)
  msg.put_bytes(@altitude.altitude)
end