Class: Ddig::Resolver::DnsMessage

Inherits:
Object
  • Object
show all
Defined in:
lib/ddig/resolver/dns_message.rb

Class Method Summary collapse

Class Method Details

.decode(payload) ⇒ Object 



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# File 'lib/ddig/resolver/dns_message.rb', line 21

def self.decode(payload)
  if payload.nil?
    return nil
  end

  Resolv::DNS::Message.decode(payload)
end

.encode(hostname, typeclass) ⇒ Object 



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# File 'lib/ddig/resolver/dns_message.rb', line 6

def self.encode(hostname, typeclass)
  if hostname.nil?
    return nil
  end
  if typeclass.nil?
    return nil
  end

  message = Resolv::DNS::Message.new
  message.rd = 1 # recursive query
  message.add_question(hostname, typeclass)

  message.encode
end

.getresources(payload) ⇒ Object 



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# File 'lib/ddig/resolver/dns_message.rb', line 29

def self.getresources(payload)
  if payload.nil?
    return []
  end

  response = self.decode(payload)

  return response.answer.map { |name, ttl, resource| resource }
end