Merge pull request #4443 from minrk/notify-ws-close

trigger _ws_closed on any close event

notebook/static/services/kernels/kernel.js

@@ -470,33 +470,31 @@ define([
         
         var already_called_onclose = false; // only alert once
         var ws_closed_early = function(evt){
+            console.log("WebSocket closed early", evt);
             if (already_called_onclose){
                 return;
             }
             already_called_onclose = true;
-            if ( ! evt.wasClean ){
-                // If the websocket was closed early, that could mean
-                // that the kernel is actually dead. Try getting
-                // information about the kernel from the API call --
-                // if that fails, then assume the kernel is dead,
-                // otherwise just follow the typical websocket closed
-                // protocol.
-                that.get_info(function () {
-                    that._ws_closed(ws_host_url, false);
-                }, function () {
-                    that.events.trigger('kernel_dead.Kernel', {kernel: that});
-                    that._kernel_dead();
-                });
-            }
+            // If the websocket was closed early, that could mean
+            // that the kernel is actually dead. Try getting
+            // information about the kernel from the API call --
+            // if that fails, then assume the kernel is dead,
+            // otherwise just follow the typical websocket closed
+            // protocol.
+            that.get_info(function () {
+                that._ws_closed(ws_host_url, false);
+            }, function () {
+                that.events.trigger('kernel_dead.Kernel', {kernel: that});
+                that._kernel_dead();
+            });
         };
         var ws_closed_late = function(evt){
+            console.log("WebSocket closed unexpectedly", evt);
             if (already_called_onclose){
                 return;
             }
             already_called_onclose = true;
-            if ( ! evt.wasClean ){
-                that._ws_closed(ws_host_url, false);
-            }
+            that._ws_closed(ws_host_url, false);
         };
         var ws_error = function(evt){
             if (already_called_onclose){