node/example.js

  function encode(data) { 
    var chunk = data.toString();
    return chunk.length.toString(16) + "\r\n" + chunk + "\r\n";
  }

  function Process(request) {
    // onBody sends null on the last chunk.
    request.onBody = function (chunk) {
      if(chunk) { 
        this.respond(encode(chunk));
      } else {
        this.respond(encode("\n"));
        this.respond("0\r\n\r\n");
        this.respond(null); // signals end-of-request
      }
    }
    request.respond("HTTP/1.0 200 OK\r\n");
    request.respond("Content-Type: text-plain\r\n");
    request.respond("Transfer-Encoding: chunked\r\n");
    request.respond("\r\n");
  }