// Internal Methods
static void RecycleServicePoints()
{
lock (servicePoints) {
var toRemove = new ArrayList();
var idleList = new SortedDictionary <DateTime, ServicePoint> ();
IDictionaryEnumerator e = servicePoints.GetEnumerator();
while (e.MoveNext())
{
ServicePoint sp = (ServicePoint)e.Value;
DateTime idleSince;
if (sp.CheckAvailableForRecycling(out idleSince))
{
toRemove.Add(e.Key);
continue;
}
while (idleList.ContainsKey(idleSince))
{
idleSince = idleSince.AddMilliseconds(1);
}
idleList.Add(idleSince, sp);
}
for (int i = 0; i < toRemove.Count; i++)
{
servicePoints.Remove(toRemove [i]);
}
if (maxServicePoints == 0 || servicePoints.Count <= maxServicePoints)
{
return;
}
// get rid of the ones with the longest idle time
foreach (var sp in idleList.Values)
{
if (servicePoints.Count <= maxServicePoints)
{
break;
}
servicePoints.Remove(sp);
}
}
}