Code/Tools/VisualStudioExtensions/CryEngineMonoDebugger/source/CryEngine.Debugger.Mono/NetworkHelper.cs

   1 // Copyright 2001-2019 Crytek GmbH / Crytek Group. All rights reserved.
   2
   3 using System;
   4 using System.Linq;
   5 using System.Net.NetworkInformation;
   6
   7 namespace CryEngine.Debugger.Mono
   8 {
   9         public static class NetworkHelper
  10         {
  11                 public static int GetAvailablePort(int startPort, int stopPort)
  12                 {
  13                         var random = new Random(DateTime.Now.Millisecond);
  14
  15                         IPGlobalProperties ipGlobalProperties = IPGlobalProperties.GetIPGlobalProperties();
  16                         TcpConnectionInformation[] tcpConnInfoArray = ipGlobalProperties.GetActiveTcpConnections();
  17
  18                         var busyPorts = tcpConnInfoArray.Select(t => t.LocalEndPoint.Port).Where(v => v >= startPort && v <= stopPort).ToArray();
  19
  20                         var firstAvailableRandomPort = Enumerable.Range(startPort, stopPort - startPort).OrderBy(v => random.Next()).FirstOrDefault(p => !busyPorts.Contains(p));
  21
  22                         return firstAvailableRandomPort;
  23                 }
  24         }
  25 }