static Func <IPAddress[]> CreateIp(string hostOrIp, params string[] hostOrIps)
{
IEnumerable <IPAddress> ips = new IPAddress[] { };
Array.ForEach(hostOrIps.Append(hostOrIp).ToArray(), (item) =>
{
ips = ips.Concat(Dns.GetHostAddresses(item));
});
var queue = new ConcurrentQueue <IPAddress>(ips);
return(() =>
{
IPAddress ip;
if (queue.TryDequeue(out ip))
{
queue.Enqueue(ip);
}
return queue.ToArray();
});
}