From 903cdeaa7f4ed8bbf217c3203f7dfe964c1b2559 Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@beryju.org>
Date: Sat, 17 Oct 2020 16:44:53 +0200
Subject: [PATCH] proxy: fix high CPU when websocket not connected

---
 proxy/pkg/server/api_ws.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/proxy/pkg/server/api_ws.go b/proxy/pkg/server/api_ws.go
index 9a3992e1f..064c3c34c 100644
--- a/proxy/pkg/server/api_ws.go
+++ b/proxy/pkg/server/api_ws.go
@@ -65,8 +65,13 @@ func (ac *APIController) Shutdown() {
 }
 
 func (ac *APIController) startWSHandler() {
+	notConnectedBackoff := 1
 	for {
 		if !ac.wsConn.IsConnected() {
+			notConnectedWait := time.Duration(notConnectedBackoff) * time.Second
+			ac.logger.WithField("loop", "ws-handler").WithField("wait", notConnectedWait).Info("Not connected loop")
+			time.Sleep(notConnectedWait)
+			notConnectedBackoff += notConnectedBackoff
 			continue
 		}
 		var wsMsg websocketMessage
@@ -76,9 +81,6 @@ func (ac *APIController) startWSHandler() {
 			ac.wsConn.CloseAndReconnect()
 			continue
 		}
-		if wsMsg.Instruction != WebsocketInstructionAck {
-			ac.logger.Debugf("%+v\n", wsMsg)
-		}
 		if wsMsg.Instruction == WebsocketInstructionTriggerUpdate {
 			err := ac.UpdateIfRequired()
 			if err != nil {