Examples with LeaseSet net.i2p.data.LeaseSet used on opensource projects

Example 21 with LeaseSet

use of net.i2p.data.LeaseSet in project i2p.i2p by i2p.

the class TransientDataStore method put.

/**
 *  @param data must be validated before here
 *  @return success
 */
public boolean put(Hash key, DatabaseEntry data) {
    if (data == null)
        return false;
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Storing key " + key);
    DatabaseEntry old = _data.putIfAbsent(key, data);
    boolean rv = false;
    if (data.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
        // Don't do this here so we don't reset it at router startup;
        // the StoreMessageJob calls this
        // _context.profileManager().heardAbout(key);
        RouterInfo ri = (RouterInfo) data;
        if (old != null) {
            RouterInfo ori = (RouterInfo) old;
            if (ri.getPublished() < ori.getPublished()) {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Almost clobbered an old router! " + key + ": [old published on " + new Date(ori.getPublished()) + " new on " + new Date(ri.getPublished()) + ']');
            } else if (ri.getPublished() == ori.getPublished()) {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Duplicate " + key);
            } else {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Updated the old router for " + key + ": [old published on " + new Date(ori.getPublished()) + " new on " + new Date(ri.getPublished()) + ']');
                _data.put(key, data);
                rv = true;
            }
        } else {
            if (_log.shouldLog(Log.INFO))
                _log.info("New router for " + key + ": published on " + new Date(ri.getPublished()));
            rv = true;
        }
    } else if (data.getType() == DatabaseEntry.KEY_TYPE_LEASESET) {
        LeaseSet ls = (LeaseSet) data;
        if (old != null) {
            LeaseSet ols = (LeaseSet) old;
            if (ls.getEarliestLeaseDate() < ols.getEarliestLeaseDate()) {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Almost clobbered an old leaseSet! " + key + ": [old expires " + new Date(ols.getEarliestLeaseDate()) + " new on " + new Date(ls.getEarliestLeaseDate()) + ']');
            } else if (ls.getEarliestLeaseDate() == ols.getEarliestLeaseDate()) {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Duplicate " + key);
            } else {
                if (_log.shouldLog(Log.INFO)) {
                    _log.info("Updated old leaseSet " + key + ": [old expires " + new Date(ols.getEarliestLeaseDate()) + " new on " + new Date(ls.getEarliestLeaseDate()) + ']');
                    if (_log.shouldLog(Log.DEBUG))
                        _log.debug("RAP? " + ls.getReceivedAsPublished() + " RAR? " + ls.getReceivedAsReply());
                }
                _data.put(key, data);
                rv = true;
            }
        } else {
            if (_log.shouldLog(Log.INFO)) {
                _log.info("New leaseset for " + key + ": expires " + new Date(ls.getEarliestLeaseDate()));
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("RAP? " + ls.getReceivedAsPublished() + " RAR? " + ls.getReceivedAsReply());
            }
            rv = true;
        }
    }
    return rv;
}

Example 22 with LeaseSet

use of net.i2p.data.LeaseSet in project i2p.i2p by i2p.

the class LocalClientMessageEventListener method startCreateSessionJob.

/**
 *  Immediately send a fake leaseset
 */
@Override
protected void startCreateSessionJob(SessionConfig config) {
    long exp = _context.clock().now() + 10 * 60 * 1000;
    LeaseSet ls = new LeaseSet();
    Lease lease = new Lease();
    lease.setGateway(Hash.FAKE_HASH);
    TunnelId id = new TunnelId(1);
    lease.setTunnelId(id);
    Date date = new Date(exp);
    lease.setEndDate(date);
    ls.addLease(lease);
    _runner.requestLeaseSet(config.getDestination().calculateHash(), ls, exp, null, null);
}

Example 23 with LeaseSet

use of net.i2p.data.LeaseSet in project i2p.i2p by i2p.

the class RequestVariableLeaseSetMessageHandler method handleMessage.

@Override
public void handleMessage(I2CPMessage message, I2PSessionImpl session) {
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Handle message " + message);
    RequestVariableLeaseSetMessage msg = (RequestVariableLeaseSetMessage) message;
    LeaseSet leaseSet = new LeaseSet();
    for (int i = 0; i < msg.getEndpoints(); i++) {
        leaseSet.addLease(msg.getEndpoint(i));
    }
    signLeaseSet(leaseSet, session);
}

Example 24 with LeaseSet

use of net.i2p.data.LeaseSet in project i2p.i2p by i2p.

the class RequestLeaseSetJob method runJob.

public void runJob() {
    if (_runner.isDead())
        return;
    LeaseSet requested = _requestState.getRequested();
    long endTime = requested.getEarliestLeaseDate();
    // Add a small number of ms (0 to MAX_FUDGE) that increases as we approach the expire time.
    // Since the earliest date functions as a version number,
    // this will force the floodfill to flood each new version;
    // otherwise it won't if the earliest time hasn't changed.
    long fudge = MAX_FUDGE - ((endTime - getContext().clock().now()) / (10 * 60 * 1000 / MAX_FUDGE));
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Adding fudge " + fudge);
    endTime += fudge;
    SessionId id = _runner.getSessionId(requested.getDestination().calculateHash());
    if (id == null) {
        _runner.failLeaseRequest(_requestState);
        return;
    }
    I2CPMessage msg;
    if (getContext().getProperty(PROP_VARIABLE, DFLT_VARIABLE) && (_runner instanceof QueuedClientConnectionRunner || RequestVariableLeaseSetMessage.isSupported(_runner.getClientVersion()))) {
        // new style - leases will have individual expirations
        RequestVariableLeaseSetMessage rmsg = new RequestVariableLeaseSetMessage();
        rmsg.setSessionId(id);
        for (int i = 0; i < requested.getLeaseCount(); i++) {
            Lease lease = requested.getLease(i);
            if (lease.getEndDate().getTime() < endTime) {
                // don't modify old object, we don't know where it came from
                Lease nl = new Lease();
                nl.setGateway(lease.getGateway());
                nl.setTunnelId(lease.getTunnelId());
                nl.setEndDate(new Date(endTime));
                lease = nl;
            // if (_log.shouldLog(Log.INFO))
            // _log.info("Adjusted end date to " + endTime + " for " + lease);
            }
            rmsg.addEndpoint(lease);
        }
        msg = rmsg;
    } else {
        // old style - all leases will have same expiration
        RequestLeaseSetMessage rmsg = new RequestLeaseSetMessage();
        Date end = new Date(endTime);
        rmsg.setEndDate(end);
        rmsg.setSessionId(id);
        for (int i = 0; i < requested.getLeaseCount(); i++) {
            Lease lease = requested.getLease(i);
            rmsg.addEndpoint(lease.getGateway(), lease.getTunnelId());
        }
        msg = rmsg;
    }
    try {
        // _runner.setLeaseRequest(state);
        _runner.doSend(msg);
        getContext().jobQueue().addJob(new CheckLeaseRequestStatus());
    } catch (I2CPMessageException ime) {
        getContext().statManager().addRateData("client.requestLeaseSetDropped", 1);
        _log.error("Error sending I2CP message requesting the lease set", ime);
        _requestState.setIsSuccessful(false);
        if (_requestState.getOnFailed() != null)
            RequestLeaseSetJob.this.getContext().jobQueue().addJob(_requestState.getOnFailed());
        _runner.failLeaseRequest(_requestState);
    // Don't disconnect, the tunnel will retry
    // _runner.disconnectClient("I2CP error requesting leaseSet");
    }
}

Example 25 with LeaseSet

use of net.i2p.data.LeaseSet in project i2p.i2p by i2p.

the class OutboundClientMessageOneShotJob method send.

/**
 * Send the message to the specified tunnel by creating a new garlic message containing
 * the (already created) payload clove as well as a new delivery status message.  This garlic
 * message is sent out one of our tunnels, destined for the lease (tunnel+router) specified, and the delivery
 * status message is targetting one of our free inbound tunnels as well.  We use a new
 * reply selector to keep an eye out for that delivery status message's token
 */
private void send() {
    synchronized (this) {
        if (_finished != Result.NONE) {
            if (_log.shouldLog(Log.WARN))
                _log.warn(OutboundClientMessageOneShotJob.this.getJobId() + ": SEND-AFTER-" + _finished);
            return;
        }
    }
    long now = getContext().clock().now();
    if (now >= _overallExpiration) {
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_EXPIRED);
        return;
    }
    _outTunnel = selectOutboundTunnel(_to);
    if (_outTunnel == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn(getJobId() + ": Could not find any outbound tunnels to send the payload through... this might take a while");
        getContext().statManager().addRateData("client.dispatchNoTunnels", now - _start);
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_NO_TUNNELS);
        return;
    }
    // boolean wantACK = _wantACK || existingTags <= 30 || getContext().random().nextInt(100) < 5;
    // what's the point of 5% random? possible improvements or replacements:
    // DONE (getNextLease() is called before this): wantACK if we changed their inbound lease (getNextLease() sets _wantACK)
    // DONE (selectOutboundTunnel() moved above here): wantACK if we changed our outbound tunnel (selectOutboundTunnel() sets _wantACK)
    // DONE (added new cache): wantACK if we haven't in last 1m (requires a new static cache probably)
    Long lastReplyRequestSent = _cache.lastReplyRequestCache.get(_hashPair);
    boolean shouldRequestReply = lastReplyRequestSent == null || lastReplyRequestSent.longValue() < now - REPLY_REQUEST_INTERVAL;
    int sendFlags = _clientMessage.getFlags();
    // Per-message flag > 0 overrides per-session option
    int tagsRequired = SendMessageOptions.getTagThreshold(sendFlags);
    boolean wantACK = _wantACK || shouldRequestReply || GarlicMessageBuilder.needsTags(getContext(), _leaseSet.getEncryptionKey(), _from.calculateHash(), tagsRequired);
    LeaseSet replyLeaseSet;
    // Per-message flag == false overrides session option which is default true
    String allow = _clientMessage.getSenderConfig().getOptions().getProperty(BUNDLE_REPLY_LEASESET);
    boolean allowLeaseBundle = SendMessageOptions.getSendLeaseSet(sendFlags) && (allow == null || Boolean.parseBoolean(allow));
    if (allowLeaseBundle) {
        // If we want an ack, bundle a leaseSet...
        // replyLeaseSet = getReplyLeaseSet(wantACK);
        // Only when necessary. We don't need to force.
        // ACKs find their own way back, they don't need a leaseset.
        replyLeaseSet = getReplyLeaseSet(false);
        // ... and vice versa  (so we know he got it)
        if (replyLeaseSet != null)
            wantACK = true;
    } else {
        replyLeaseSet = null;
    }
    long token;
    if (wantACK) {
        _cache.lastReplyRequestCache.put(_hashPair, Long.valueOf(now));
        token = getContext().random().nextLong(I2NPMessage.MAX_ID_VALUE);
        _inTunnel = selectInboundTunnel();
    } else {
        token = -1;
    }
    PayloadGarlicConfig clove = buildClove();
    if (clove == null) {
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_UNSUPPORTED_ENCRYPTION);
        return;
    }
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug(getJobId() + ": Clove built to " + _toString);
    PublicKey key = _leaseSet.getEncryptionKey();
    SessionKey sessKey = new SessionKey();
    Set<SessionTag> tags = new HashSet<SessionTag>();
    // Per-message flag > 0 overrides per-session option
    int tagsToSend = SendMessageOptions.getTagsToSend(sendFlags);
    GarlicMessage msg = OutboundClientMessageJobHelper.createGarlicMessage(getContext(), token, _overallExpiration, key, clove, _from.calculateHash(), _to, _inTunnel, tagsToSend, tagsRequired, sessKey, tags, wantACK, replyLeaseSet);
    if (msg == null) {
        // we dont receive the reply? hmm...)
        if (_log.shouldLog(Log.WARN))
            _log.warn(getJobId() + ": Unable to create the garlic message (no tunnels left or too lagged) to " + _toString);
        getContext().statManager().addRateData("client.dispatchNoTunnels", now - _start);
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_NO_TUNNELS);
        return;
    }
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug(getJobId() + ": send() - token expected " + token + " to " + _toString);
    SendSuccessJob onReply = null;
    SendTimeoutJob onFail = null;
    ReplySelector selector = null;
    if (wantACK) {
        TagSetHandle tsh = null;
        if (!tags.isEmpty()) {
            SessionKeyManager skm = getContext().clientManager().getClientSessionKeyManager(_from.calculateHash());
            if (skm != null)
                tsh = skm.tagsDelivered(_leaseSet.getEncryptionKey(), sessKey, tags);
        }
        onReply = new SendSuccessJob(getContext(), sessKey, tsh);
        onFail = new SendTimeoutJob(getContext(), sessKey, tsh);
        long expiration = Math.max(_overallExpiration, _start + REPLY_TIMEOUT_MS_MIN);
        selector = new ReplySelector(token, expiration);
    }
    if (_log.shouldLog(Log.DEBUG))
        _log.debug(getJobId() + ": Sending msg out " + _outTunnel.getSendTunnelId(0) + " to " + _toString + " at " + _lease.getTunnelId() + " on " + _lease.getGateway());
    DispatchJob dispatchJob = new DispatchJob(getContext(), msg, selector, onReply, onFail);
    // if (false) // dispatch may take 100+ms, so toss it in its own job
    // getContext().jobQueue().addJob(dispatchJob);
    // else
    dispatchJob.runJob();
    getContext().statManager().addRateData("client.dispatchPrepareTime", now - _start);
    if (!wantACK)
        getContext().statManager().addRateData("client.dispatchNoACK", 1);
}