YTSFlix_Go/vendor/github.com/anacrolix/dht/addr.go

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2018-11-04 14:58:15 +00:00
package dht
import (
"net"
"github.com/anacrolix/dht/krpc"
)
// Used internally to refer to node network addresses. String() is called a
// lot, and so can be optimized. Network() is not exposed, so that the
// interface does not satisfy net.Addr, as the underlying type must be passed
// to any OS-level function that take net.Addr.
type Addr interface {
UDPAddr() *net.UDPAddr
String() string
KRPC() krpc.NodeAddr
}
// Speeds up some of the commonly called Addr methods.
type cachedAddr struct {
ua net.UDPAddr
s string
}
func (ca cachedAddr) String() string {
return ca.s
}
func (ca cachedAddr) UDPAddr() *net.UDPAddr {
return &ca.ua
}
func (ca cachedAddr) KRPC() krpc.NodeAddr {
return krpc.NodeAddr{
IP: ca.ua.IP,
Port: ca.ua.Port,
}
}
func NewAddr(ua *net.UDPAddr) Addr {
return cachedAddr{
ua: *ua,
s: ua.String(),
}
}