mmorpg2d/Assets/Mirror/Transports/KCP/kcp2k/highlevel/KcpHeader.cs

namespace kcp2k
{
    // header for messages processed by kcp.
    // this is NOT for the raw receive messages(!) because handshake/disconnect
    // need to be sent reliably. it's not enough to have those in rawreceive
    // because those messages might get lost without being resent!
    public enum KcpHeader : byte
    {
        // don't react on 0x00. might help to filter out random noise.
        Hello      = 1,
        // ping goes over reliable & KcpHeader for now. could go over unreliable
        // too. there is no real difference except that this is easier because
        // we already have a KcpHeader for reliable messages.
        // ping is only used to keep it alive, so latency doesn't matter.
        Ping       = 2,
        Data       = 3,
        Disconnect = 4
    }
}