private void updatePeer(
final Peer peer,
final InetSocketAddress isa,
final Type type,
final LanternTrafficCounter trafficCounter) {
// We can get multiple notifications for the same peer, in which case
// they'll already have a counter.
if (peer.getTrafficCounter() == null) {
log.debug("Setting traffic counter...");
peer.setTrafficCounter(trafficCounter);
} else {
log.debug("Peer already has traffic counter...");
}
final String address = isa.getAddress().getHostAddress();
if (StringUtils.isBlank(peer.getIp())) {
peer.setIp(address);
}
if (peer.getPort() == 0) {
peer.setPort(isa.getPort());
}
if (peer.getRosterEntry() == null) {
log.debug("Setting roster entry");
final URI uri = LanternUtils.newURI(peer.getPeerid());
peer.setRosterEntry(rosterEntry(uri));
}
peer.setType(type.toString());
updateGeoData(peer, isa.getAddress());
// Note we don't sync peers with the frontend here because the timer
// will do it for us
}
private void updateGeoData(final Peer peer, final String address) {
if (peer.hasGeoData()) {
log.debug("Peer already had geo data: {}", peer);
return;
}
final GeoData geo = geoIpLookupService.getGeoData(address);
peer.setCountry(geo.getCountrycode());
peer.setLat(geo.getLatitude());
peer.setLon(geo.getLongitude());
}
@Subscribe
public void onIncomingPeerEvent(final IncomingPeerEvent event) {
// First we have to figure out which peer this is an incoming socket
// for base on the certificate.
final X509Certificate cert = event.getCert();
final Channel channel = event.getChannel();
final LanternTrafficCounter counter = event.getTrafficCounter();
try {
final String base64Cert = Base64.encodeBase64String(cert.getEncoded());
final Peer peer = certsToPeers.get(base64Cert);
if (peer == null) {
log.error("No matching peer for cert: {} in {}", base64Cert, certsToPeers);
return;
}
log.debug("Found peer by certificate!!!");
peer.setMode(Mode.get);
updatePeer(peer, (InetSocketAddress) channel.getRemoteAddress(), Type.pc, counter);
} catch (final CertificateEncodingException e) {
log.error("Could not encode certificate?", e);
}
}
@Subscribe
public void onKscopeAd(final KscopeAdEvent event) {
final LanternKscopeAdvertisement ad = event.getAd();
// It is possible and even likely we already know about this peer
// through some other means, in which case we have to update the data
// about that peer as necessary.
log.debug("Adding peer through kscope ad...");
final String jid = ad.getJid();
final URI uri = LanternUtils.newURI(jid);
final Peer existing = this.model.getPeerCollector().getPeer(uri);
final LanternRosterEntry entry = this.roster.getRosterEntry(jid);
if (existing == null) {
// The following can be null.
final Peer peer =
new Peer(
uri,
"",
ad.hasMappedEndpoint(),
0,
0,
Type.pc,
ad.getAddress(),
ad.getPort(),
Mode.give,
false,
null,
entry);
this.model.getPeerCollector().addPeer(uri, peer);
updateGeoData(peer, ad.getAddress());
} else {
existing.setIp(ad.getAddress());
existing.setPort(ad.getPort());
existing.setMode(Mode.give);
existing.setMapped(ad.hasMappedEndpoint());
if (existing.getRosterEntry() == null) {
// Ours could be null too, but can't hurt to set.
existing.setRosterEntry(entry);
}
existing.setVersion(ad.getLanternVersion());
updateGeoData(existing, ad.getAddress());
}
}