Disconnect event added.

Author: vsaravind007

Readme.md

@@ -44,6 +44,7 @@ This example utilises a public device defined in IOStash.
  - `subscribeLocation(deviceId,cb())` - Subscribes to location data from the specified device.
  - `subscribeActions(deviceId,cb())` - Subscribes to device trigger action of the specified device.
  - `subscribeCustomData(deviceId,cb())` - Subscribes to custom data sent to the device.
+  - `onDisconnect(cb())` - Fires when the connection to the server is lost.
 
 **Notes**
 

iostash.js

@@ -7403,6 +7403,12 @@ iostash = function () {
     })
   }
 
+  onDisconnect = function(callbacl) {
+    socket.on('disconnect',function(){
+      callback()
+    })
+  }
+
   return {
     'init': init,
     'initPublic': initPublic,
@@ -7414,7 +7420,9 @@ iostash = function () {
     'unSubscribeDataPoint': unSubscribeDataPoint,
     'subscribeActions': subscribeActions,
     'subscribeCustomData': subscribeCustomData,
-    'subscribeLocation': subscribeLocation
+    'subscribeLocation': subscribeLocation,
+    'onDisconnect': onDisconnect
+
   }
 
 }()