nil hel

gistfile1.rb

    # Reads from a named pipe
    # @agument timeout_secs_int - timeout for waiting on something to read
    # @return nil if nothing to read
    def read_line_nonblocking( pipe_handle_io, timeout_secs_int=0 )
      rwe = IO.select([pipe_handle_io], [], [], timeout_secs_int)
      msg = rwe[0][0].gets unless rwe==nil || rwe[0][0]==nil 
      msg.strip if msg!=nil                                                                                                                            
    end 

    # read_pipes
    def read_pipes
      msg = read_line_nonblocking(@pipe_from_stateserver, @refreshdelay_secs)
      msg == nil ? return : msg = msg.split(" ")
      update_model( msg[1] ) if msg[0] == "STATE"
    end

    def resolve_state
      msg = @msg_stack.shift.split(' ')                                                                                                                                       
      case msg[0]
        when "GET"
          @pipe_to_ui.puts get_state( msg[1] )
          @pipe_to_ui.flush
        when "SET"
          set_state( msg[1] )
      end 
    end