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p2p/nat: remove unused deleteBeforeAdd

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Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
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Csaba Kiraly 2025-04-04 14:58:52 +02:00
parent f9018208f3
commit 41da77aefc
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1 changed files with 0 additions and 11 deletions
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11
p2p/nat/natupnp.go
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@ -37,13 +37,6 @@ const (
rateLimit = 200 * time.Millisecond
retryCount = 3 // number of retries after a failed AddPortMapping
randomCount = 3 // number of random ports to try
// According to the UPnP spec delete before add is not needed if the
// private IP remained the same. However, we have seen this workaround
// being used in practice. It could also create problems, so we keep it
// disabled by default. If the private IP changed, an external port change
// should be OK.
deleteBeforeAdd = false
)
type upnp struct {
@ -100,10 +93,6 @@ func (n *upnp) AddMapping(protocol string, extport, intport int, desc string, li
if extport == 0 {
extport = intport
} else if deleteBeforeAdd {
// Only delete port mapping if the external port was already used by geth.
err := n.DeleteMapping(protocol, extport, intport)
log.Trace("Deleting port mapping", "protocol", protocol, "extport", extport, "intport", intport, "err", err)
}
// Try to add port mapping, preferring the specified external port.