dispatch/vendor/github.com/miekg/dns/udp_windows.go

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// +build windows
package dns
import "net"
type SessionUDP struct {
raddr *net.UDPAddr
}
func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr }
// ReadFromSessionUDP acts just like net.UDPConn.ReadFrom(), but returns a session object instead of a
// net.UDPAddr.
func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) {
n, raddr, err := conn.ReadFrom(b)
if err != nil {
return n, nil, err
}
session := &SessionUDP{raddr.(*net.UDPAddr)}
return n, session, err
}
// WriteToSessionUDP acts just like net.UDPConn.WritetTo(), but uses a *SessionUDP instead of a net.Addr.
func WriteToSessionUDP(conn *net.UDPConn, b []byte, session *SessionUDP) (int, error) {
n, err := conn.WriteTo(b, session.raddr)
return n, err
}