static void Main(string[] args) {
Server server = new Server();
var hasArg = args.Length > 0;
var arg = hasArg ? args[0] : null;
if (hasArg && args[0] == "selftest") {
VerificationTask.SelfTest();
} else if (hasArg && File.Exists(arg)) {
Console.WriteLine("# Reading from {0}", Path.GetFileName(arg));
Console.SetIn(new StreamReader(arg, Encoding.UTF8));
server.Loop();
} else {
server.Loop();
}
}