From dc8a6246ea5f1870c69cd44f03012b405ce6433a Mon Sep 17 00:00:00 2001
From: EAShakhov <EAShakhov@sberbank.ru>
Date: Tue, 31 Aug 2021 04:37:10 +0300
Subject: [PATCH] fix infinity loop

---
 pkg/utils/util.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkg/utils/util.go b/pkg/utils/util.go
index aefd998..8fe872f 100644
--- a/pkg/utils/util.go
+++ b/pkg/utils/util.go
@@ -70,7 +70,12 @@ func ListenUDPInPortRange(portMin, portMax int, laddr *net.UDPAddr) (*net.UDPCon
 	}
 	portStart := rand.Intn(j-i+1) + i
 	portCurrent := portStart
+	tryCount := 10
 	for {
+		tryCount -= 1
+		if tryCount < 0 {
+			return nil, ErrPort
+		}
 		*laddr = net.UDPAddr{IP: laddr.IP, Port: portCurrent}
 		c, e := net.ListenUDP("udp", laddr)
 		if e == nil {