Handshake
constructor(handshakeVersion: Int = 4, encryption: EncryptionType = EncryptionType.NONE, extensionField: Int = ExtensionField.KM_REQ.value, initialPacketSequence: Int = 0, MTU: Int = Constants.MTU, flowWindowsSize: Int = 8192, handshakeType: HandshakeType = HandshakeType.INDUCTION, srtSocketId: Int = 762640158, synCookie: Int = 0, ipAddress: String = "0.0.0.0", handshakeExtension: HandshakeExtension? = null)