client.js

var io = new RocketIO().connect();
var linda = new Linda(io);
var ts = new linda.TupleSpace("calc");

$(function(){
  $("#btn_request").click(function(){
    var query = $("#txt_request").val();
    ts.write(["calc_request", query]);
  });
});

var take_result = function(){
  ts.take(["calc_result"], function(tuple){
    var result = tuple[1];
    $("#log").prepend( $("<p>").text(result) );
    take_result();
  });
};

io.on("connect", take_result);
io.on("connect", function(){
  ts.watch(["calc_request"], function(tuple, info){
    console.log(tuple);
    console.log(info)
  });
});