/
addr.go
42 lines (37 loc) · 1015 Bytes
/
addr.go
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package utp
import "net"
// Addr represents the address of a UTP end point.
type Addr struct {
net.Addr
}
// Network returns the address's network name, "utp".
func (a Addr) Network() string { return "utp" }
// ResolveAddr parses addr as a UTP address of the form "host:port"
// or "[ipv6-host%zone]:port" and resolves a pair of domain name and
// port name on the network net, which must be "utp", "utp4" or
// "utp6". A literal address or host name for IPv6 must be enclosed
// in square brackets, as in "[::1]:80", "[ipv6-host]:http" or
// "[ipv6-host%zone]:80".
func ResolveAddr(n, addr string) (*Addr, error) {
udpnet, err := utp2udp(n)
if err != nil {
return nil, err
}
udp, err := net.ResolveUDPAddr(udpnet, addr)
if err != nil {
return nil, err
}
return &Addr{Addr: udp}, nil
}
func utp2udp(n string) (string, error) {
switch n {
case "utp":
return "udp", nil
case "utp4":
return "udp4", nil
case "utp6":
return "udp6", nil
default:
return "", net.UnknownNetworkError(n)
}
}