nodejs-socket-json-server.js

/* https://gist.github.com/creationix/707146 */

var net = require('net');

var server = net.createServer(function (socket) {
  socket.on('data', function (data) {
    var message;
    try {
      message = JSON.parse(data);
    } catch (e) {
      console.log('Could not parse JSON: '+e.message+'\nRequest data: '+data);
    }
    if (message !== undefined && message.command !== undefined) {
      switch (message.command) {
      case "hello":
        console.log(message.data);
        break;
      }
    }
  });
});

server.listen(3303, '127.0.0.1');