System.Net.WebConnectionGroup.CreateOrReuseConnection C# (CSharp) Method

		WebConnection CreateOrReuseConnection (HttpWebRequest request)
		{
			// lock is up there.
			WebConnection cnc;
			WeakReference cncRef;

			int count = connections.Count;
			for (int i = 0; i < count; i++) {
				WeakReference wr = connections [i] as WeakReference;
				cnc = wr.Target as WebConnection;
				if (cnc == null) {
					connections.RemoveAt (i);
					count--;
					i--;
					continue;
				}

				if (cnc.Busy)
					continue;

				PrepareSharingNtlm (cnc, request);
				return cnc;
			}

			if (sPoint.ConnectionLimit > count) {
				cnc = new WebConnection (this, sPoint);
				connections.Add (new WeakReference (cnc));
				return cnc;
			}

			if (rnd == null)
				rnd = new Random ();

			int idx = (count > 1) ? rnd.Next (0, count - 1) : 0;
			cncRef = (WeakReference) connections [idx];
			cnc = cncRef.Target as WebConnection;
			if (cnc == null) {
				cnc = new WebConnection (this, sPoint);
				connections.RemoveAt (idx);
				connections.Add (new WeakReference (cnc));
			}
			return cnc;
		}