session

case class AddressPair(local: InetSocketAddress, remote: InetSocketAddress) extends Product with Serializable
case class Attachment(byteBuffer: ByteBuffer, socketChannel: AsynchronousSocketChannel) extends Product with Serializable
abstract class BufferedLength extends AnyRef

length of the proto is represent by Int.
length of the proto is represent by Int. It maybe under pending after once read form socket
abstract class BufferedProto extends AnyRef

form now on, socket communicate length/lengthOpt with Int
class ClientEntrance extends AnyRef
case class CompletedLength(length: Int) extends BufferedLength with Product with Serializable
case class CompletedProto(uuid: Byte, length: Int, loaded: ByteBuffer) extends BufferedProto with Product with Serializable
class ConnectedSocket extends AnyRef
class HeartBeatCheckTask extends Task
class HeartBeatSendTask extends Task
case class PaddingProto(uuidOpt: Option[Byte], lengthOpt: Option[BufferedLength], loading: ByteBuffer) extends Product with Serializable
case class PendingLength(arrived: Array[Byte], arrivedNumber: Int) extends BufferedLength with Product with Serializable
class ReaderDispatch extends AnyRef

one map to for every socket
class ServerEntrance extends AnyRef

object Configration
val EmptyByteBuffer: ByteBuffer
def deCode(bytePtoro: Array[Byte]): (Byte, Int, String)
def enCode(protoGroup: Byte, msg: String): Array[Byte]
package exception
package execution
package implicitpkg

most of them is decode and encode.
most of them is decode and encode. All of them use Big-Endian for unification