async void HandleAuthentication(Session session, AuthenticationPacket packet)
{
var option = await conn.GetUser(packet.Uuid);
option.MatchSome(user =>
{
session.UserID = user.ID;
log.Info($"authentication: uuid={packet.Uuid} user_id={session.UserID}");
var result = new AuthenticationResultPacket(0);
session.SendLazy(result);
});
option.MatchNone(() =>
{
log.Info($"authentication: uuid={packet.Uuid} not found");
var notFound = new AuthenticationResultPacket(-1);
session.SendLazy(notFound);
});
}