// Handshake3Update updates local knowledge with the information in the
// handshake3 msg we received from remote client.
func Handshake3Update(lpeer, rpeer peer.Peer, msg *pb.Handshake3) (*Handshake3Result, error) {
res := &Handshake3Result{}
// our observed address
observedAddr, err := ma.NewMultiaddrBytes(msg.GetObservedAddr())
if err != nil {
return res, err
}
if lpeer.AddAddress(observedAddr) {
log.Infof("(nat) added new local, remote-observed address: %s", observedAddr)
}
res.LocalObservedAddress = observedAddr
// remote's reported addresses
for _, a := range msg.GetListenAddrs() {
addr, err := ma.NewMultiaddrBytes(a)
if err != nil {
err = fmt.Errorf("remote peer address not a multiaddr: %s", err)
log.Errorf("Handshake3 error %s", err)
return res, err
}
rpeer.AddAddress(addr)
res.RemoteListenAddresses = append(res.RemoteListenAddresses, addr)
}
return res, nil
}
func (dht *IpfsDHT) handleAddProvider(p peer.Peer, pmes *pb.Message) (*pb.Message, error) {
key := u.Key(pmes.GetKey())
log.Debugf("%s adding %s as a provider for '%s'\n", dht.self, p, peer.ID(key))
// add provider should use the address given in the message
for _, pb := range pmes.GetProviderPeers() {
pid := peer.ID(pb.GetId())
if pid.Equal(p.ID()) {
addr, err := pb.Address()
if err != nil {
log.Errorf("provider %s error with address %s", p, *pb.Addr)
continue
}
log.Infof("received provider %s %s for %s", p, addr, key)
p.AddAddress(addr)
dht.providers.AddProvider(key, p)
} else {
log.Errorf("handleAddProvider received provider %s from %s", pid, p)
}
}
return pmes, nil // send back same msg as confirmation.
}