func (ids *IDService) consumeObservedAddress(observed []byte, c inet.Conn) {
if observed == nil {
return
}
maddr, err := ma.NewMultiaddrBytes(observed)
if err != nil {
log.Debugf("error parsing received observed addr for %s: %s", c, err)
return
}
// we should only use ObservedAddr when our connection's LocalAddr is one
// of our ListenAddrs. If we Dial out using an ephemeral addr, knowing that
// address's external mapping is not very useful because the port will not be
// the same as the listen addr.
ifaceaddrs, err := ids.Host.Network().InterfaceListenAddresses()
if err != nil {
log.Infof("failed to get interface listen addrs", err)
return
}
log.Debugf("identify identifying observed multiaddr: %s %s", c.LocalMultiaddr(), ifaceaddrs)
if !addrInAddrs(c.LocalMultiaddr(), ifaceaddrs) {
// not in our list
return
}
// ok! we have the observed version of one of our ListenAddresses!
log.Debugf("added own observed listen addr: %s --> %s", c.LocalMultiaddr(), maddr)
ids.observedAddrs.Add(maddr, c.RemoteMultiaddr())
}
