package swarm import ( conn "github.com/libp2p/go-libp2p/p2p/net/conn" addrutil "github.com/libp2p/go-libp2p/p2p/net/swarm/addr" ma "github.com/jbenet/go-multiaddr" ) // ListenAddresses returns a list of addresses at which this swarm listens. func (s *Swarm) ListenAddresses() []ma.Multiaddr { listeners := s.swarm.Listeners() addrs := make([]ma.Multiaddr, 0, len(listeners)) for _, l := range listeners { if l2, ok := l.NetListener().(conn.Listener); ok { addrs = append(addrs, l2.Multiaddr()) } } return addrs } // InterfaceListenAddresses returns a list of addresses at which this swarm // listens. It expands "any interface" addresses (/ip4/0.0.0.0, /ip6/::) to // use the known local interfaces. func (s *Swarm) InterfaceListenAddresses() ([]ma.Multiaddr, error) { return addrutil.ResolveUnspecifiedAddresses(s.ListenAddresses(), nil) } // checkNATWarning checks if our observed addresses differ. if so, // informs the user that certain things might not work yet func checkNATWarning(s *Swarm, observed ma.Multiaddr, expected ma.Multiaddr) { listen, err := s.InterfaceListenAddresses() if err != nil { log.Debugf("Error retrieving swarm.InterfaceListenAddresses: %s", err) return } addrutil.CheckNATWarning(observed, expected, listen) }