Module: Asciidoctor::Diagram::OfficeServer

Defined in:
lib/asciidoctor-diagram-office/extension.rb

Class Method Summary collapse

Class Method Details

.is_port_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asciidoctor-diagram-office/extension.rb', line 28

def self.is_port_open?()
  begin
    Timeout::timeout(10) do
      begin
        s = TCPSocket.open('localhost', 2002)
        s.close
        return true
      rescue
        sleep(1)
        retry
      end
    end
  rescue Timeout::Error
    raise 'Failed to start office listener'
  end
end

.listen ⇒ Object 



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# File 'lib/asciidoctor-diagram-office/extension.rb', line 12

def self.listen
  unless defined?(@office_listener) && @office_listener
    pid = spawn('unoconv --listener > /dev/null 2>&1')
    thr = Process.detach(pid)
    is_port_open?

    at_exit do
      begin
        Process.kill(:TERM, pid)
      rescue => e
      end
    end
    @office_listener = true
  end
end