Esempio n. 1
0
// IsIPLoopback returns whether a Multiaddr is a "Loopback" IP address
// This means either /ip4/127.0.0.1 or /ip6/::1
func IsIPLoopback(m ma.Multiaddr) bool {
	b := m.Bytes()

	// /ip4/127 prefix (_entire_ /8 is loopback...)
	if bytes.HasPrefix(b, []byte{4, 127}) {
		return true
	}

	// /ip6/::1
	if IP6Loopback.Equal(m) || IP6LinkLocalLoopback.Equal(m) {
		return true
	}

	return false
}
Esempio n. 2
0
// Handshake3Msg constructs a Handshake3 msg.
func Handshake3Msg(localPeer peer.Peer, remoteAddr ma.Multiaddr) *pb.Handshake3 {
	var msg pb.Handshake3
	// don't need publicKey after secure channel.
	// msg.PublicKey = localPeer.PubKey().Bytes()

	// local listen addresses
	addrs := localPeer.Addresses()
	msg.ListenAddrs = make([][]byte, len(addrs))
	for i, a := range addrs {
		msg.ListenAddrs[i] = a.Bytes()
	}

	// observed remote address
	msg.ObservedAddr = remoteAddr.Bytes()

	// services
	// srv := localPeer.Services()
	// msg.Services = make([]mux.ProtocolID, len(srv))
	// for i, pid := range srv {
	// 	msg.Services[i] = pid
	// }

	return &msg
}
Esempio n. 3
0
func outfmt(m ma.Multiaddr) string {
	switch format {
	case "string":
		return m.String()
	case "slice":
		return fmt.Sprintf("%v", m.Bytes())
	case "bytes":
		return string(m.Bytes())
	case "hex":
		return "0x" + hex.EncodeToString(m.Bytes())
	}

	die("error: invalid format", format)
	return ""
}