Class: Pdns::Remotebackend::Connector

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

Direct Known Subclasses

Pipe, Unix

Instance Method Summary collapse

Constructor Details

#initialize(klass, options = {}) ⇒ Connector

Returns a new instance of Connector.



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# File 'lib/pdns/remotebackend.rb', line 140

def initialize(klass, options = {})
  @handler = klass
  @options = options
end

Instance Method Details

#mainloop(reader, writer) ⇒ Object

Reads one line at a time from remotebackend, and calls approriate method

Parameters:

  • reader (Socket) —

    Socket to read from’

  • writer (Socket) —

    Socket to write to



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# File 'lib/pdns/remotebackend.rb', line 149

def mainloop(reader,writer)
  h = @handler.new
  
  reader.each_line do |line|
    # expect json
    input = {}
    line = line.strip
    next if line.empty?
    begin
      input = JSON.parse(line)
      method = "do_#{input["method"].downcase}"
      args = input["parameters"] || {}
      h.result = false
      h.log = []
      if h.respond_to?(method.to_sym) == false
        res = false
      else
        h.send(method,args)
      end
      writer.puts ({:result => h.result, :log => h.log}).to_json
    rescue JSON::ParserError
      writer.puts ({:result => false, :log => "Cannot parse input #{line}"}).to_json
      next
    end
  end
end