func simpleResolve(addr network.Addr) (*net.UDPAddr, error) {
var stringNetwork, stringAddr string
if addr == nil {
stringNetwork = "udp4"
stringAddr = ""
} else {
stringNetwork = addr.Network()
stringAddr = addr.String()
}
addrResolved, err := net.ResolveUDPAddr(stringNetwork, stringAddr)
if err != nil {
return nil, err
}
return addrResolved, nil
}
func (c *Conn) WriteTo(b []byte, raddr network.Addr) (int, error) {
buffer := make([]byte, len(b))
copy(buffer, b)
raddrResolved, err := ResolveAddr(raddr.String())
if err != nil {
return 0, err
}
go func() {
c.net.toInternet <- packet{
Src: c.localAddr,
Dst: raddrResolved,
Data: buffer,
}
}()
return len(buffer), nil
}