public UPnPLease DetectExternalEndpoint(CancellationToken cancellation = default(CancellationToken))
{
if (_UPnPLease != null)
{
_UPnPLease.Dispose();
_UPnPLease = null;
}
var lease = new UPnPLease(BitcoinPorts, LocalEndpoint.Port, NATRuleName);
lease.LeasePeriod = NATLeasePeriod;
if (lease.DetectExternalEndpoint(cancellation))
{
_UPnPLease = lease;
ExternalEndpoint = _UPnPLease.ExternalEndpoint;
return(lease);
}
else
{
using (lease.Trace.Open())
{
NodeServerTrace.Information("No UPNP device found, try to use external web services to deduce external address");
try
{
var ip = GetMyExternalIP(cancellation);
if (ip != null)
{
ExternalEndpoint = new IPEndPoint(ip, ExternalEndpoint.Port);
}
}
catch (Exception ex)
{
NodeServerTrace.Error("Could not use web service to deduce external address", ex);
}
}
return(null);
}
}
public UPnPLease DetectExternalEndpoint(CancellationToken cancellation = default(CancellationToken))
{
if(_UPnPLease != null)
{
_UPnPLease.Dispose();
_UPnPLease = null;
}
var lease = new UPnPLease(BitcoinPorts, LocalEndpoint.Port, NATRuleName);
lease.LeasePeriod = NATLeasePeriod;
if(lease.DetectExternalEndpoint(cancellation))
{
_UPnPLease = lease;
ExternalEndpoint = _UPnPLease.ExternalEndpoint;
return lease;
}
else
{
using(lease.Trace.Open())
{
NodeServerTrace.Information("No UPNP device found, try to use external web services to deduce external address");
try
{
var ip = GetMyExternalIP(cancellation);
if(ip != null)
ExternalEndpoint = new IPEndPoint(ip, ExternalEndpoint.Port);
}
catch(Exception ex)
{
NodeServerTrace.Error("Could not use web service to deduce external address", ex);
}
}
return null;
}
}