denet-node-server/node_modules/nssocket/examples/simple-protocol.js

var nssocket = require('../lib/nssocket');

//
// define a simple message protocol as [<type>, <id>] and create some messages that use it.
//
var message1 = ['message', 'one'];
var message2 = ['message', 'two'];

//
// Create an `nssocket` TCP server and tell the server to listen on port `6785`.
//
var server = nssocket.createServer(function (socket) {

  //
  // Here `socket` will be an instance of `nssocket.NsSocket`.
  // When there is a connection, send `message1` to the socket.
  //
  socket.send(message1);

  //
  // listen for `message2` from the connecting socket.
  //
  socket.data(message2, function (data) {

    //
    // If this callback is called, we know that the socket
    // speaks our language, we will likely be provided with
    // a payload. In this case `{ "foo": "bar" }`.
    //
    console.dir(data);
  })

}).listen(6785);

//
// Create a new `nssocket` instance and then connect to the server in 1000 miliseconds.
//
setTimeout(function() {

  var outbound = new nssocket.NsSocket();

  //
  // 
  //
  outbound.data(message1, function () {
    outbound.send(message2, { "foo": "bar" });
  });

  outbound.connect(6785);
  
}, 1000);