package udp import "net" type conn struct { *net.UDPConn } func (c *conn) WriteTo(b []byte, addr net.Addr) (int, error) { return c.UDPConn.Write(b) } func (c *conn) ReadFrom(b []byte) (n int, addr net.Addr, err error) { n, err = c.UDPConn.Read(b) addr = c.RemoteAddr() return }