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Check if we had successfully acquired a UPnP mapping before (fixes #627)

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This commit is contained in:
Audrius Butkevicius 2014-09-04 23:01:34 +01:00
parent 33e9a88b56
commit b445a7c4d3
1 changed files with 8 additions and 5 deletions
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13
cmd/syncthing/main.go
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@ -663,13 +663,16 @@ func renewUPnP(port int) {
}
// Just renew the same port that we already have
err = igd.AddPortMapping(upnp.TCP, externalPort, port, "syncthing", cfg.Options.UPnPLease*60)
if err == nil {
l.Infoln("Renewed UPnP port mapping - external port", externalPort)
continue
if externalPort != 0 {
err = igd.AddPortMapping(upnp.TCP, externalPort, port, "syncthing", cfg.Options.UPnPLease*60)
if err == nil {
l.Infoln("Renewed UPnP port mapping - external port", externalPort)
continue
}
}
// Something strange has happened. Perhaps the gateway has changed?
// Something strange has happened. We didn't have an external port before?
// Or perhaps the gateway has changed?
// Retry the same port sequence from the beginning.
r := setupExternalPort(igd, port)
if r != 0 {