return early if backend is broken

Chao Xu · Chao Xu · commit 211900313620 · 2020-03-05T10:52:38.000-08:00
diff --git a/pkg/agent/agentserver/tunnel.go b/pkg/agent/agentserver/tunnel.go
@@ -130,7 +130,7 @@ func (t *Tunnel) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		err = backend.Send(packet)
 		if err != nil {
 			klog.Errorf("error sending packet %v", err)
-			continue
+			break
 		}
 		klog.Infof("Forwarding %d (total %d) bytes of DATA on tunnel for agentID %s, connID %d", n, acc, connection.agentID, connection.connectID)
 	}

Original file line number	Diff line number	Diff line change
`@@ -130,7 +130,7 @@ func (t Tunnel) ServeHTTP(w http.ResponseWriter, r http.Request) {`
`130`	`130`	`err = backend.Send(packet)`
`131`	`131`	`if err != nil {`
`132`	`132`	`klog.Errorf("error sending packet %v", err)`
`133`		`- continue`
	`133`	`+ break`
`134`	`134`	`}`
`135`	`135`	`klog.Infof("Forwarding %d (total %d) bytes of DATA on tunnel for agentID %s, connID %d", n, acc, connection.agentID, connection.connectID)`
`136`	`136`	`}`