public UDPConnection(EndPoint local) : base(new Socket(local.AddressFamily, SocketType.Dgram, ProtocolType.Udp))
{
Local = local;
// do this so remote cant close socket https://docs.microsoft.com/en-us/windows/desktop/WinSock/winsock-ioctls
ConnectionSocket.IOControl((IOControlCode)SIO_UDP_CONNRESET, new byte[] { 0, 0, 0, 0 }, null);
}
/// <param name="waitTime">specifies the time (in milliseconds) between the last communication and the first keep alive attempt</param>
/// <param name="interval">interval (in milliseconds) between each keep alive attempt</param>
public void SetUpKeepAlive(int waitTime, int interval)
{
byte[] inputValues = new byte[3 * sizeof(uint)];
BitConverter.GetBytes(1).CopyTo(inputValues, 0); // enable flag
BitConverter.GetBytes(waitTime).CopyTo(inputValues, sizeof(uint));
BitConverter.GetBytes(interval).CopyTo(inputValues, sizeof(uint) * 2);
ConnectionSocket.IOControl(IOControlCode.KeepAliveValues, inputValues, null);
}
