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

Inherits:
Resolv::DNS::Resource show all
Defined in:
lib/resolv.rb

Overview

Location resource

Constant Summary collapse

TypeValue =

:nodoc:

29

Constants inherited from Resolv::DNS::Resource

ClassHash, ClassInsensitiveTypes, ClassValue

Instance Attribute Summary collapse

Attributes inherited from Resolv::DNS::Resource

#ttl

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Resolv::DNS::Resource

#==, #eql?, get_class, #hash

Constructor Details

#initialize(version, ssize, hprecision, vprecision, latitude, longitude, altitude) ⇒ LOC

Returns a new instance of LOC.



2052
2053
2054
2055
2056
2057
2058
2059
2060
 
# File 'lib/resolv.rb', line 2052

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

Instance Attribute Details

#altitude ⇒ Object (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



2103
2104
2105
 
# File 'lib/resolv.rb', line 2103

def altitude
  @altitude
end

#hprecision ⇒ Object (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



2078
2079
2080
 
# File 'lib/resolv.rb', line 2078

def hprecision
  @hprecision
end

#latitude ⇒ Object (readonly)

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



2091
2092
2093
 
# File 'lib/resolv.rb', line 2091

def latitude
  @latitude
end

#longitude ⇒ Object (readonly)

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



2097
2098
2099
 
# File 'lib/resolv.rb', line 2097

def longitude
  @longitude
end

#ssize ⇒ Object (readonly)

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



2071
2072
2073
 
# File 'lib/resolv.rb', line 2071

def ssize
  @ssize
end

#version ⇒ Object (readonly)

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



2065
2066
2067
 
# File 'lib/resolv.rb', line 2065

def version
  @version
end

#vprecision ⇒ Object (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



2085
2086
2087
 
# File 'lib/resolv.rb', line 2085

def vprecision
  @vprecision
end

Class Method Details

.decode_rdata(msg) ⇒ Object

:nodoc:



2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
 
# File 'lib/resolv.rb', line 2116

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 Method Details

#encode_rdata(msg) ⇒ Object

:nodoc:



2106
2107
2108
2109
2110
2111
2112
2113
2114
 
# File 'lib/resolv.rb', line 2106

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