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Update nat.go

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change func publicIPTest
This commit is contained in:
W192547975
2023-08-02 23:19:52 +08:00
committed by GitHub
parent 78000e4a10
commit ccabb7fc9d
1 changed files with 3 additions and 5 deletions
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8
core/nat.go
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@@ -121,13 +121,11 @@ func publicIPTest(publicIP string, echoPort int) (hasPublicIP int, hasUPNPorNATP
echoConn, err = net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4zero, Port: echoPort})
if err != nil {
gLog.Println(LvERROR, "echo server listen error:", err)
wg.Done()
return
}
buf := make([]byte, 1600)
// close outside for breaking the ReadFromUDP
// wait 5s for echo testing
wg.Done()
// close outside for breaking the ReadFromUDP
// wait 5s(30s?) for echo testing
buf := make([]byte, 1600)
echoConn.SetReadDeadline(time.Now().Add(time.Second * 30))
n, addr, err := echoConn.ReadFromUDP(buf)
if err != nil {