add abort log

bws.js

@@ -51,7 +51,7 @@ function startInstance(cb) {
   var server = config.https ? serverModule.createServer(serverOpts, expressApp.app) : serverModule.Server(expressApp.app);
 
   server.on('connection', function(socket) {
-    socket.setTimeout(300 * 1000);
+    socket.setTimeout(2 * 1000);
   })
 
   expressApp.start(config, function(err) {

lib/expressapp.js

@@ -54,6 +54,16 @@ ExpressApp.prototype.start = function(opts, cb) {
   this.app.use(allowCORS);
   this.app.enable('trust proxy');
 
+
+
+  // handle `abort` https://nodejs.org/api/http.html#http_event_abort
+  this.app.use(function (req, res, next) {
+    req.on('abort', function() {
+      log.warn('Request aborted by the client');
+    });
+    next();
+  });
+
   var POST_LIMIT = 1024 * 100 /* Max POST 100 kb */ ;
 
   this.app.use(bodyParser.json({