server.js

var ws = require("nodejs-websocket")
var Hapi = require('hapi');
var apiServer = new Hapi.Server();
var clientList = {};

function startWebSocket(port) {
  var wsserver = ws.createServer(function(conn) {
    conn.on("text", function(str) {
      console.log('Client registered ' + str);
      clientList[str] = conn;
    })
    conn.on("close", function(code, reason) {
      for (var property in clientList) {
        if (clientList.hasOwnProperty(property)) {
          delete clientList[property];
        }
      }
      console.log("Connection closed")
    })
  }).listen(port, console.log('WS server running on port: ' + port));
}

function startAPI(settings) {

  apiServer.connection({
    host: settings.httpHost,
    port: settings.httpPort
  });

  apiServer.route({
    method: 'GET',
    path: '/hello',
      handler: function (request, reply) {
        reply('Hello!');
    }
  });

  apiServer.route({
    method: 'POST',
    path: settings.apiPath,
    handler: function(request, reply) {


      var dId = request.headers.deviceauthuuid ? request.headers.deviceauthuuid : 'unknown';
      console.log('Received POST data: device ' + dId);
      if (clientList.hasOwnProperty(dId)) {
        clientList[dId].sendText( JSON.stringify(request.payload) );
      }
      reply();
    }

  });
  apiServer.start(function() {
    console.log('APIServer running at:', apiServer.info.uri);
  });

}

module.exports.listen = function(settings) {
  startWebSocket( settings.wsPort );
  startAPI( settings );
};