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

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

Overview

Location resource

Constant Summary collapse

TypeValue =

:nodoc:

29

Constants inherited from Gem::Resolv::DNS::Resource

ClassHash, ClassInsensitiveTypes, ClassValue

Instance Attribute Summary collapse

Attributes inherited from Gem::Resolv::DNS::Resource

#ttl

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Gem::Resolv::DNS::Resource

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

Constructor Details

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

Returns a new instance of LOC.



2456
2457
2458
2459
2460
2461
2462
2463
2464
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2456

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

Instance Attribute Details

#altitudeObject (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



2507
2508
2509
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2507

def altitude
  @altitude
end

#hprecisionObject (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



2482
2483
2484
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2482

def hprecision
  @hprecision
end

#latitudeObject (readonly)

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



2495
2496
2497
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2495

def latitude
  @latitude
end

#longitudeObject (readonly)

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



2501
2502
2503
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2501

def longitude
  @longitude
end

#ssizeObject (readonly)

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



2475
2476
2477
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2475

def ssize
  @ssize
end

#versionObject (readonly)

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



2469
2470
2471
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2469

def version
  @version
end

#vprecisionObject (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



2489
2490
2491
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2489

def vprecision
  @vprecision
end

Class Method Details

.decode_rdata(msg) ⇒ Object

:nodoc:



2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2520

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,
    Gem::Resolv::LOC::Size.new(ssize),
    Gem::Resolv::LOC::Size.new(hprecision),
    Gem::Resolv::LOC::Size.new(vprecision),
    Gem::Resolv::LOC::Coord.new(latitude,"lat"),
    Gem::Resolv::LOC::Coord.new(longitude,"lon"),
    Gem::Resolv::LOC::Alt.new(altitude)
  )
end

Instance Method Details

#encode_rdata(msg) ⇒ Object

:nodoc:



2510
2511
2512
2513
2514
2515
2516
2517
2518
# File 'lib/rubygems/vendor/resolv/lib/resolv.rb', line 2510

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