Merge pull request #101 from hchho/timeout-fix

Fixed uncaught timeout error

Author: diversario

lib/index.js

@@ -254,7 +254,7 @@ SSDP.prototype._start = function (cb) {
       } catch (e) {
         if (e.code === 'ENODEV' || e.code === 'EADDRNOTAVAIL') {
           self._logger('Interface %s is not present to add multicast group membership. Scheduling a retry. Error: %s', addr, e.message)
-          setTimeout(addMembership, 5000)
+          delay().then(addMembership).catch(e => { throw e })
         } else {
           throw e
         }
@@ -264,6 +264,12 @@ SSDP.prototype._start = function (cb) {
         socket.addMembership(self._ssdpIp, iface) // TODO: specifying the interface in there might make a difference
         socket.setMulticastTTL(self._ssdpTtl)
       }
+
+      function delay() {
+        return new Promise((resolve) => {
+          setTimeout(resolve, 5000);
+        });
+      }
     })
 
     if (self._explicitSocketBind) {