Class: Resolv::DNS::Resource::IN::WKS

Inherits:
Resolv::DNS::Resource show all
Defined in:
lib/logstash/patches/resolv_9270.rb

Overview

Well Known Service resource.

Constant Summary collapse

TypeValue = 
11
ClassValue = 
IN::ClassValue

Constants inherited from Resolv::DNS::Resource

ClassHash, ClassInsensitiveTypes

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(address, protocol, bitmap) ⇒ WKS

Returns a new instance of WKS.



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# File 'lib/logstash/patches/resolv_9270.rb', line 2219

def initialize(address, protocol, bitmap)
  @address = IPv4.create(address)
  @protocol = protocol
  @bitmap = bitmap
end

Instance Attribute Details

#address ⇒ Object (readonly)

The host these services run on.



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# File 'lib/logstash/patches/resolv_9270.rb', line 2228

def address
  @address
end

#bitmap ⇒ Object (readonly)

A bit map of enabled services on this host.

If protocol is 6 (TCP) then the 26th bit corresponds to the SMTP service (port 25). If this bit is set, then an SMTP server should be listening on TCP port 25; if zero, SMTP service is not supported.



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# File 'lib/logstash/patches/resolv_9270.rb', line 2243

def bitmap
  @bitmap
end

#protocol ⇒ Object (readonly)

IP protocol number for these services.



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# File 'lib/logstash/patches/resolv_9270.rb', line 2233

def protocol
  @protocol
end

Class Method Details

.decode_rdata(msg) ⇒ Object

:nodoc:



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# File 'lib/logstash/patches/resolv_9270.rb', line 2251

def self.decode_rdata(msg) # :nodoc:
  address = IPv4.new(msg.get_bytes(4))
  protocol, = msg.get_unpack("n")
  bitmap = msg.get_bytes
  return self.new(address, protocol, bitmap)
end

Instance Method Details

#encode_rdata(msg) ⇒ Object

:nodoc:



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# File 'lib/logstash/patches/resolv_9270.rb', line 2245

def encode_rdata(msg) # :nodoc:
  msg.put_bytes(@address.address)
  msg.put_pack("n", @protocol)
  msg.put_bytes(@bitmap)
end