status-go/vendor/github.com/anacrolix/dht/v2/addr.go

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2022-03-10 09:44:48 +00:00
package dht
import (
"net"
"github.com/anacrolix/missinggo/v2"
"github.com/anacrolix/dht/v2/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 {
Raw() net.Addr
Port() int
IP() net.IP
String() string
KRPC() krpc.NodeAddr
}
// Speeds up some of the commonly called Addr methods.
type cachedAddr struct {
raw net.Addr
port int
ip net.IP
s string
}
func (ca cachedAddr) String() string {
return ca.s
}
func (ca cachedAddr) KRPC() krpc.NodeAddr {
return krpc.NodeAddr{
IP: ca.ip,
Port: ca.port,
}
}
func (ca cachedAddr) IP() net.IP {
return ca.ip
}
func (ca cachedAddr) Port() int {
return ca.port
}
func (ca cachedAddr) Raw() net.Addr {
return ca.raw
}
func NewAddr(raw net.Addr) Addr {
return cachedAddr{
raw: raw,
s: raw.String(),
ip: missinggo.AddrIP(raw),
port: missinggo.AddrPort(raw),
}
}