Examples with DatabaseStoreMessage net.i2p.data.i2np.DatabaseStoreMessage used on opensource projects

Example 1 with DatabaseStoreMessage

use of net.i2p.data.i2np.DatabaseStoreMessage in project i2p.i2p by i2p.

the class EstablishmentManager method getOurInfo.

/**
 **
 *    private void sendOurInfo(PeerState peer, boolean isInbound) {
 *        if (_log.shouldLog(Log.INFO))
 *            _log.info("Publishing to the peer after confirm: " +
 *                      (isInbound ? " inbound con from " + peer : "outbound con to " + peer));
 *        DatabaseStoreMessage m = getOurInfo();
 *        _transport.send(m, peer);
 *    }
 ***
 */
/**
 *  A database store message with our router info
 *  @return non-null
 *  @since 0.9.24 split from sendOurInfo()
 */
private DatabaseStoreMessage getOurInfo() {
    DatabaseStoreMessage m = new DatabaseStoreMessage(_context);
    m.setEntry(_context.router().getRouterInfo());
    m.setMessageExpiration(_context.clock().now() + DATA_MESSAGE_TIMEOUT);
    return m;
}

Example 2 with DatabaseStoreMessage

use of net.i2p.data.i2np.DatabaseStoreMessage in project i2p.i2p by i2p.

the class EstablishmentManager method handleCompletelyEstablished.

/**
 * ok, fully received, add it to the established cons and send any
 * queued messages
 *
 * @return the new PeerState
 */
private PeerState handleCompletelyEstablished(OutboundEstablishState state) {
    if (state.complete()) {
        RouterIdentity rem = state.getRemoteIdentity();
        if (rem != null)
            return _transport.getPeerState(rem.getHash());
    }
    long now = _context.clock().now();
    RouterIdentity remote = state.getRemoteIdentity();
    // only if == state
    RemoteHostId claimed = state.getClaimedAddress();
    if (claimed != null)
        _outboundByClaimedAddress.remove(claimed, state);
    _outboundByHash.remove(remote.calculateHash(), state);
    PeerState peer = new PeerState(_context, _transport, state.getSentIP(), state.getSentPort(), remote.calculateHash(), false);
    peer.setCurrentCipherKey(state.getCipherKey());
    peer.setCurrentMACKey(state.getMACKey());
    peer.setTheyRelayToUsAs(state.getReceivedRelayTag());
    int mtu = state.getRemoteAddress().getMTU();
    if (mtu > 0)
        peer.setHisMTU(mtu);
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Handle completely established (outbound): " + state + " - " + peer.getRemotePeer());
    _transport.addRemotePeerState(peer);
    _transport.setIP(remote.calculateHash(), state.getSentIP());
    _context.statManager().addRateData("udp.outboundEstablishTime", state.getLifetime());
    DatabaseStoreMessage dbsm = null;
    if (!state.isFirstMessageOurDSM()) {
        dbsm = getOurInfo();
    } else if (_log.shouldLog(Log.INFO)) {
        _log.info("Skipping publish: " + state);
    }
    List<OutNetMessage> msgs = new ArrayList<OutNetMessage>(8);
    OutNetMessage msg;
    while ((msg = state.getNextQueuedMessage()) != null) {
        if (now - Router.CLOCK_FUDGE_FACTOR > msg.getExpiration()) {
            msg.timestamp("took too long but established...");
            _transport.failed(msg, "Took too long to establish, but it was established");
        } else {
            msg.timestamp("session fully established and sent");
            msgs.add(msg);
        }
    }
    _transport.send(dbsm, msgs, peer);
    return peer;
}

Example 3 with DatabaseStoreMessage

use of net.i2p.data.i2np.DatabaseStoreMessage in project i2p.i2p by i2p.

the class HandleFloodfillDatabaseStoreMessageJob method sendAck.

private void sendAck(Hash storedKey) {
    DeliveryStatusMessage msg = new DeliveryStatusMessage(getContext());
    msg.setMessageId(_message.getReplyToken());
    // Randomize for a little protection against clock-skew fingerprinting.
    // But the "arrival" isn't used for anything, right?
    // TODO just set to 0?
    // TODO we have no session to garlic wrap this with, needs new message
    msg.setArrival(getContext().clock().now() - getContext().random().nextInt(3 * 1000));
    // may be null
    TunnelId replyTunnel = _message.getReplyTunnel();
    // A store of our own RI, only if we are not FF
    DatabaseStoreMessage msg2;
    if ((getContext().netDb().floodfillEnabled() && !getContext().router().gracefulShutdownInProgress()) || storedKey.equals(getContext().routerHash())) {
        // don't send our RI if the store was our RI (from PeerTestJob)
        msg2 = null;
    } else {
        // we aren't ff, send a go-away message
        msg2 = new DatabaseStoreMessage(getContext());
        RouterInfo me = getContext().router().getRouterInfo();
        msg2.setEntry(me);
        if (_log.shouldWarn())
            _log.warn("Got a store w/ reply token, but we aren't ff: from: " + _from + " fromHash: " + _fromHash + " msg: " + _message, new Exception());
    }
    Hash toPeer = _message.getReplyGateway();
    boolean toUs = getContext().routerHash().equals(toPeer);
    // else through an exploratory tunnel.
    if (toUs && replyTunnel != null) {
        // if we are the gateway, act as if we received it
        TunnelGatewayMessage tgm = new TunnelGatewayMessage(getContext());
        tgm.setMessage(msg);
        tgm.setTunnelId(replyTunnel);
        tgm.setMessageExpiration(msg.getMessageExpiration());
        getContext().tunnelDispatcher().dispatch(tgm);
        if (msg2 != null) {
            TunnelGatewayMessage tgm2 = new TunnelGatewayMessage(getContext());
            tgm2.setMessage(msg2);
            tgm2.setTunnelId(replyTunnel);
            tgm2.setMessageExpiration(msg.getMessageExpiration());
            getContext().tunnelDispatcher().dispatch(tgm2);
        }
    } else if (toUs || getContext().commSystem().isEstablished(toPeer)) {
        Job send = new SendMessageDirectJob(getContext(), msg, toPeer, REPLY_TIMEOUT, MESSAGE_PRIORITY);
        send.runJob();
        if (msg2 != null) {
            Job send2 = new SendMessageDirectJob(getContext(), msg2, toPeer, REPLY_TIMEOUT, MESSAGE_PRIORITY);
            send2.runJob();
        }
    } else {
        // pick tunnel with endpoint closest to toPeer
        TunnelInfo outTunnel = getContext().tunnelManager().selectOutboundExploratoryTunnel(toPeer);
        if (outTunnel == null) {
            if (_log.shouldLog(Log.WARN))
                _log.warn("No outbound tunnel could be found");
            return;
        }
        getContext().tunnelDispatcher().dispatchOutbound(msg, outTunnel.getSendTunnelId(0), replyTunnel, toPeer);
        if (msg2 != null)
            getContext().tunnelDispatcher().dispatchOutbound(msg2, outTunnel.getSendTunnelId(0), replyTunnel, toPeer);
    }
}

Example 4 with DatabaseStoreMessage

use of net.i2p.data.i2np.DatabaseStoreMessage in project i2p.i2p by i2p.

the class FloodfillNetworkDatabaseFacade method flood.

/**
 *  Send to a subset of all floodfill peers.
 *  We do this to implement Kademlia within the floodfills, i.e.
 *  we flood to those closest to the key.
 */
public void flood(DatabaseEntry ds) {
    Hash key = ds.getHash();
    RouterKeyGenerator gen = _context.routerKeyGenerator();
    Hash rkey = gen.getRoutingKey(key);
    FloodfillPeerSelector sel = (FloodfillPeerSelector) getPeerSelector();
    List<Hash> peers = sel.selectFloodfillParticipants(rkey, MAX_TO_FLOOD, getKBuckets());
    // todo key cert skip?
    long until = gen.getTimeTillMidnight();
    if (until < NEXT_RKEY_LS_ADVANCE_TIME || (ds.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO && until < NEXT_RKEY_RI_ADVANCE_TIME)) {
        // to avoid lookup faulures after midnight, also flood to some closest to the
        // next routing key for a period of time before midnight.
        Hash nkey = gen.getNextRoutingKey(key);
        List<Hash> nextPeers = sel.selectFloodfillParticipants(nkey, NEXT_FLOOD_QTY, getKBuckets());
        int i = 0;
        for (Hash h : nextPeers) {
            // But other implementations may not...
            if (h.equals(key))
                continue;
            // todo key cert skip?
            if (!peers.contains(h)) {
                peers.add(h);
                i++;
            }
        }
        if (i > 0 && _log.shouldLog(Log.INFO))
            _log.info("Flooding the entry for " + key + " to " + i + " more, just before midnight");
    }
    int flooded = 0;
    for (int i = 0; i < peers.size(); i++) {
        Hash peer = peers.get(i);
        RouterInfo target = lookupRouterInfoLocally(peer);
        if ((target == null) || (_context.banlist().isBanlisted(peer)))
            continue;
        // But other implementations may not...
        if (ds.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO && peer.equals(key))
            continue;
        if (peer.equals(_context.routerHash()))
            continue;
        DatabaseStoreMessage msg = new DatabaseStoreMessage(_context);
        msg.setEntry(ds);
        OutNetMessage m = new OutNetMessage(_context, msg, _context.clock().now() + FLOOD_TIMEOUT, FLOOD_PRIORITY, target);
        Job floodFail = new FloodFailedJob(_context, peer);
        m.setOnFailedSendJob(floodFail);
        // we want to give credit on success, even if we aren't sure,
        // because otherwise no use noting failure
        Job floodGood = new FloodSuccessJob(_context, peer);
        m.setOnSendJob(floodGood);
        _context.commSystem().processMessage(m);
        flooded++;
        if (_log.shouldLog(Log.INFO))
            _log.info("Flooding the entry for " + key.toBase64() + " to " + peer.toBase64());
    }
    if (_log.shouldLog(Log.INFO))
        _log.info("Flooded the data to " + flooded + " of " + peers.size() + " peers");
}

Example 5 with DatabaseStoreMessage

use of net.i2p.data.i2np.DatabaseStoreMessage in project i2p.i2p by i2p.

the class OutboundClientMessageJobHelper method buildLeaseSetClove.

/**
 * Build a clove that stores the leaseSet locally
 */
private static PayloadGarlicConfig buildLeaseSetClove(RouterContext ctx, long expiration, LeaseSet replyLeaseSet) {
    PayloadGarlicConfig clove = new PayloadGarlicConfig();
    clove.setCertificate(Certificate.NULL_CERT);
    clove.setDeliveryInstructions(DeliveryInstructions.LOCAL);
    clove.setExpiration(expiration);
    clove.setId(ctx.random().nextLong(I2NPMessage.MAX_ID_VALUE));
    DatabaseStoreMessage msg = new DatabaseStoreMessage(ctx);
    msg.setEntry(replyLeaseSet);
    msg.setMessageExpiration(expiration);
    clove.setPayload(msg);
    return clove;
}