Add refresh support for websockets

src/cpp/handler/handlerengine.cpp

@@ -1733,7 +1733,7 @@ class HandlerEngine::Private : public QObject
 				return;
 
 			// TODO: hint support for websockets?
-			if(f.action != PublishFormat::Send && f.action != PublishFormat::Close)
+			if(f.action != PublishFormat::Send && f.action != PublishFormat::Close && f.action != PublishFormat::Refresh)
 				return;
 
 			WsControlPacket::Item i;
@@ -1767,6 +1767,13 @@ class HandlerEngine::Private : public QObject
 				i.code = f.code;
 				i.reason = f.reason;
 			}
+            else if(f.action == PublishFormat::Refresh)
+            {
+                Deferred *d = ControlRequest::refresh(proxyControlClient, i.cid, this);
+                connect(d, &Deferred::finished, this, &Private::deferred_finished);
+                deferreds += d;
+                return;
+            }
 
 			writeWsControlItems(QList<WsControlPacket::Item>() << i);
 		}
@@ -3061,6 +3068,7 @@ private slots:
 	}
 
 	void stats_connectionsRefreshed(const QList<QByteArray> &ids)
+        g)
 	{
 		if(stateClient)
 		{

src/cpp/handler/publishformat.cpp

@@ -62,6 +62,10 @@ PublishFormat PublishFormat::fromVariant(Type type, const QVariant &in, bool *ok
 	{
 		out.action = Close;
 	}
+    else if(action == "refresh")
+    {
+        out.action = Refresh;
+    }
 	else if(action.isNull() || action == "send") // default
 	{
 		out.action = Send;

src/cpp/handler/publishformat.h

@@ -42,6 +42,7 @@ class PublishFormat
 	{
 		Send,
 		Hint,
+        Refresh,
 		Close
 	};