udp

type Conn interface {
	net.PacketConn
	io.Reader
	io.Writer
	ReadUDP
	WriteUDP
	xnet.SetBuffer
	xnet.SyscallConn
	xnet.RemoteAddr
}

type ReadUDP interface {
	ReadFromUDP(b []byte) (n int, addr *net.UDPAddr, err error)
	ReadMsgUDP(b, oob []byte) (n, oobn, flags int, addr *net.UDPAddr, err error)
}

type Relay struct {
	// contains filtered or unexported fields
}

type WriteUDP interface {
	WriteToUDP(b []byte, addr *net.UDPAddr) (int, error)
	WriteMsgUDP(b, oob []byte, addr *net.UDPAddr) (n, oobn int, err error)
}