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fixing NAT establish mapping logic #2583

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fixing NAT establish mapping logic #2583

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10 changes: 10 additions & 0 deletions p2p/net/nat/nat.go
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Expand Up @@ -236,6 +236,16 @@ func (nat *NAT) establishMapping(ctx context.Context, protocol string, internalP
if err != nil || externalPort == 0 {
// TODO: log.Event
if err != nil {
natInstance, errorDiscover := discoverGateway(ctx)
if errorDiscover == nil {
var extAddr netip.Addr
extIP, errorGetAddress := natInstance.GetExternalAddress()
if errorGetAddress == nil {
extAddr, _ = netip.AddrFromSlice(extIP)
}
nat.extAddr = extAddr
nat.nat = natInstance
}
log.Warnf("failed to establish port mapping: %s", err)
} else {
log.Warnf("failed to establish port mapping: newport = 0")
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