wasSharpNET
| /Network/TCP/Utilities.cs |
|---|
| @@ -0,0 +1,40 @@ |
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| using System.Net; |
| using System.Net.Sockets; |
| namespace wasSharpNET.Network.TCP |
| { |
| public static class Utilities |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // |
| /////////////////////////////////////////////////////////////////////////// |
| /// <summary> |
| /// Try to find an unused port. |
| /// </summary> |
| /// <param name="address">the address associated with the port</param> |
| /// <param name="port">an integer to hold the port if found</param> |
| /// <returns>true if an unused port could be found</returns> |
| public static bool TryGetUnusedPort(IPAddress address, out int port) |
| { |
| try |
| { |
| var l = new TcpListener(address, 0); |
| l.Start(); |
| port = ((IPEndPoint) l.LocalEndpoint).Port; |
| l.Stop(); |
| return true; |
| } |
| catch |
| { |
| port = default(int); |
| return false; |
| } |
| } |
| } |
| } |