32 lines
939 B
C#
32 lines
939 B
C#
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using System.Net.NetworkInformation;
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namespace InnovEnergy.Lib.Utils.Net;
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public static class NetUtils
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{
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public static Int32 GetAvailableTcpPort()
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{
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const Int32 minPort = 1024;
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var ipProps = IPGlobalProperties.GetIPGlobalProperties();
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var tcpConnections = ipProps
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.GetActiveTcpConnections()
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.Select(c => c.LocalEndPoint.Port)
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.Where(p => p >= minPort);
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var tcpListeners = ipProps
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.GetActiveTcpListeners()
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.Select(c => c.Port)
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.Where(p => p >= minPort);
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var usedPorts = tcpConnections
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.Concat(tcpListeners)
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.ToHashSet();
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return Enumerable
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.Range(minPort, UInt16.MaxValue - minPort)
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.Unless(usedPorts.Contains)
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.First();
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}
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}
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