#region Copyright 2009-2014 by Roger Knapp, Licensed under the Apache License, Version 2.0 /* Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #endregion using System; using System.Collections.Generic; using System.Net; using System.Net.NetworkInformation; namespace CSharpTest.Net.SslTunnel.Test { static class TestPort { static int _lastPortUsed = 11000; public static int Create() { Dictionary portsInUse = new Dictionary(); IPGlobalProperties globalProperties = IPGlobalProperties.GetIPGlobalProperties(); foreach (IPEndPoint endpoint in globalProperties.GetActiveTcpListeners()) portsInUse[endpoint.Port] = endpoint; while (++_lastPortUsed < int.MaxValue) { if (!portsInUse.ContainsKey(_lastPortUsed)) return _lastPortUsed; } return -1; } } }