62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package dht
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import (
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"net"
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"github.com/anacrolix/missinggo/v2"
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"github.com/anacrolix/dht/v2/krpc"
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)
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// Used internally to refer to node network addresses. String() is called a
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// lot, and so can be optimized. Network() is not exposed, so that the
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// interface does not satisfy net.Addr, as the underlying type must be passed
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// to any OS-level function that take net.Addr.
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type Addr interface {
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Raw() net.Addr
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Port() int
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IP() net.IP
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String() string
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KRPC() krpc.NodeAddr
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}
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// Speeds up some of the commonly called Addr methods.
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type cachedAddr struct {
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raw net.Addr
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port int
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ip net.IP
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s string
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}
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func (ca cachedAddr) String() string {
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return ca.s
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}
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func (ca cachedAddr) KRPC() krpc.NodeAddr {
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return krpc.NodeAddr{
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IP: ca.ip,
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Port: ca.port,
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}
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}
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func (ca cachedAddr) IP() net.IP {
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return ca.ip
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}
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func (ca cachedAddr) Port() int {
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return ca.port
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}
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func (ca cachedAddr) Raw() net.Addr {
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return ca.raw
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}
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func NewAddr(raw net.Addr) Addr {
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return cachedAddr{
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raw: raw,
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s: raw.String(),
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ip: missinggo.AddrIP(raw),
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port: missinggo.AddrPort(raw),
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}
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}
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