Class: PowerDNS::Pipe

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

Overview

DnsPipe is an abstraction of the Powerdns pipe backend protocol. doc.powerdns.com/backends-detail.html

It’s dead simple to use, see the README for examples

Written by John Leach <[email protected]>

Defined Under Namespace

Classes: Answer, Question

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Pipe

Returns a new instance of Pipe.



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# File 'lib/powerdns_pipe.rb', line 45

def initialize(options = {})
  options = { 
    :input => STDIN,
    :output => STDOUT,
    :err => STDERR,
    :version_range => 1..2,
    :banner => "Ruby PowerDNS::Pipe"
  }.merge options

  @input = options[:input]
  @output = options[:output]
  @err = options[:err]
  @version_range = options[:version_range]
  @banner = options[:banner]
end

Instance Attribute Details

Returns the value of attribute banner.



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# File 'lib/powerdns_pipe.rb', line 11

def banner
  @banner
end

#err ⇒ Object (readonly)

Returns the value of attribute err.



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# File 'lib/powerdns_pipe.rb', line 11

def err
  @err
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/powerdns_pipe.rb', line 11

def input
  @input
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/powerdns_pipe.rb', line 11

def output
  @output
end

#version_range ⇒ Object (readonly)

Returns the value of attribute version_range.



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# File 'lib/powerdns_pipe.rb', line 11

def version_range
  @version_range
end

Instance Method Details

#answer(options = {}) ⇒ Object 



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# File 'lib/powerdns_pipe.rb', line 69

def answer(options = {})
  options = {
    :ttl => 3600,
    :id => -1,
    :class => 'IN'
  }.merge options

  respond "DATA", options[:name], options[:class], options[:type], options[:ttl], options[:id], options[:content]
end

#run!(&query_processor) ⇒ Object 



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# File 'lib/powerdns_pipe.rb', line 61

def run!(&query_processor)
  while (line = input.readline) do
    process_line line, query_processor
  end
rescue EOFError
  err.write "EOF, terminating loop\n"
end