protected ArrayList InitRemoteIPs()
{
NatHistory.Filter f = delegate(NatDataPoint p) {
TransportAddress ta = p.PeerViewOfLocalTA;
IPAddress a = null;
if (ta != null)
{
try {
a = ((IPTransportAddress)ta).GetIPAddress();
} catch (Exception x) {
BU.ProtocolLog.WriteIf(BU.ProtocolLog.Exceptions, String.Format(
"{0}", x));
}
}
return(a);
};
IEnumerable all_ips = _hist.FilteredEnumerator(f);
Hashtable ht = new Hashtable();
foreach (IPAddress a in all_ips)
{
if (false == ht.Contains(a))
{
IPAddressRecord r = new IPAddressRecord();
r.IP = a;
r.Count = 1;
ht[a] = r;
}
else
{
IPAddressRecord r = (IPAddressRecord)ht[a];
r.Count++;
}
}
ArrayList rips = new ArrayList();
IDictionaryEnumerator de = ht.GetEnumerator();
while (de.MoveNext())
{
IPAddressRecord r = (IPAddressRecord)de.Value;
rips.Add(r);
}
//Now we have a list of the most used to least used IPs
rips.Sort();
return(rips);
}
protected IList MakeTargets(IEnumerable h, out bool success)
{
bool there_is_a_match = false;
int matched_port = 0;
TransportAddress matched_ta = null;
foreach (NatDataPoint p in h)
{
TransportAddress l = p.LocalTA;
TransportAddress pv = p.PeerViewOfLocalTA;
if (l != null && pv != null)
{
there_is_a_match = (((IPTransportAddress)l).Port == ((IPTransportAddress)pv).Port);
if (there_is_a_match)
{
//Move on.
matched_port = ((IPTransportAddress)l).Port;
matched_ta = pv;
break;
}
}
}
if (there_is_a_match)
{
//Now we filter to look at only the unmatched ports:
NatHistory.Filter f = delegate(NatDataPoint p) {
TransportAddress pv = p.PeerViewOfLocalTA;
if ((pv != null) && (((IPTransportAddress)pv).Port != matched_port))
{
return(p);
}
return(null);
};
//This is all the non-matching data points:
IEnumerable non_matched = new NatHistory.FilteredNDP(h, f);
ArrayList l = PredictPorts(non_matched);
//Put in the matched port at the top of the list:
l.Insert(0, matched_ta);
success = true;
return(l);
}
else
{
success = false;
return(null);
}
}
