From c95de8bc02b6e6d57f7ae59dcaaa49eedde1fefc Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Fri, 17 Jul 2015 23:15:45 +0200
Subject: reading from websockets is required


diff --git a/src/helsinki.at/rhrdtime/rhrdtime.go b/src/helsinki.at/rhrdtime/rhrdtime.go
index fdbdea5..9590e4a 100644
--- a/src/helsinki.at/rhrdtime/rhrdtime.go
+++ b/src/helsinki.at/rhrdtime/rhrdtime.go
@@ -82,7 +82,7 @@ func getTimeUpdate() []byte {
 	return update_json
 }
 
-func goTalkWithClient(w http.ResponseWriter, r *http.Request, ps *pubsub.PubSub) {
+func handleTimeUpdateClient(w http.ResponseWriter, r *http.Request, ps *pubsub.PubSub) {
 	ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)
 	if _, ok := err.(websocket.HandshakeError); ok {
 		http.Error(w, "Not a websocket handshake", 400)
@@ -93,6 +93,15 @@ func goTalkWithClient(w http.ResponseWriter, r *http.Request, ps *pubsub.PubSub)
 	}
 	fmt.Println("Client connected", ws.RemoteAddr())
 
+	go func() {
+		for {
+			if _, _, err := ws.NextReader(); err != nil {
+				ws.Close()
+				break
+			}
+		}
+	}()
+
 	timeupdate_chan := ps.Sub("timeupdate")
 	defer ps.Unsub(timeupdate_chan, "timeupdate")
 
@@ -111,7 +120,7 @@ func goTalkWithClient(w http.ResponseWriter, r *http.Request, ps *pubsub.PubSub)
 func RunMartini(ps *pubsub.PubSub, addr string) {
 	m := martini.Classic()
 	m.Get("/time", func(w http.ResponseWriter, r *http.Request) {
-		goTalkWithClient(w, r, ps)
+		handleTimeUpdateClient(w, r, ps)
 	})
 
 	m.RunOnAddr(addr)
-- 
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