Class: DNS::Message

Inherits:
Object
  • Object
show all
Defined in:
lib/faildns/message.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Message

Returns a new instance of Message.



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# File 'lib/faildns/message.rb', line 63

def initialize (*args)
  if args.length > 1
    @header, @questions, @answers, @authorities, @additionals = *(args.concat([[], [], [], []]))
  else
    raise ArgumentError.new('You have to pass at least 1 parameter.')
  end

  if block_given?
    yield self
  end
end

Instance Attribute Details

#additionals ⇒ Object (readonly)

Returns the value of attribute additionals.



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# File 'lib/faildns/message.rb', line 61

def additionals
  @additionals
end

#answers ⇒ Object (readonly)

Returns the value of attribute answers.



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# File 'lib/faildns/message.rb', line 61

def answers
  @answers
end

#authorities ⇒ Object (readonly)

Returns the value of attribute authorities.



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# File 'lib/faildns/message.rb', line 61

def authorities
  @authorities
end

#header ⇒ Object (readonly)

Returns the value of attribute header.



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# File 'lib/faildns/message.rb', line 61

def header
  @header
end

#questions ⇒ Object (readonly)

Returns the value of attribute questions.



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# File 'lib/faildns/message.rb', line 61

def questions
  @questions
end

Class Method Details

.length(string) ⇒ Object 



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# File 'lib/faildns/message.rb', line 57

def self.length (string)
  string = string.clone
end

.parse(string) ⇒ Object 



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# File 'lib/faildns/message.rb', line 28

def self.parse (string)
  string.force_encoding 'BINARY'
  original = string.clone

  header = Header.parse(string);

  questions = []
  1.upto(header.questions) {
    questions << Question.parse(string, original);
  }

  answers = []
  1.upto(header.answers) {
    answers << ResourceRecord.parse(string, original);
  }

  authorities = []
  1.upto(header.authorities) {
    authorities << ResourceRecord.parse(string, original);
  }

  additionals = []
  1.upto(header.additionals) {
    additionals << ResourceRecord.parse(string, original);
  }

  Message.new(header, questions, answers, authorities, additionals)
end

Instance Method Details

#pack ⇒ Object 



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# File 'lib/faildns/message.rb', line 75

def pack
  result = ''

  result += @header.pack

  @questions.each {|question|
    result += question.pack
  }

  @answers.each {|answer|
    result += answer.pack
  }

  @authorities.each {|authority|
    result += answer.pack
  }

  @additionals.each {|additional|
    result += additional.pack
  }

  return result
end