Examples with Log net.i2p.util.Log used on opensource projects

Example 26 with Log

use of net.i2p.util.Log in project i2p.i2p by i2p.

the class GarlicMessageBuilder method buildMessage.

/**
 * called by netdb and above
 *
 * @param ctx scope
 * @param config how/what to wrap
 * @param wrappedKey output parameter that will be filled with the sessionKey used
 * @param wrappedTags Output parameter that will be filled with the sessionTags used.
 *                          If non-empty on return you must call skm.tagsDelivered() when sent
 *                          and then call skm.tagsAcked() or skm.failTags() later.
 * @param numTagsToDeliver only if the estimated available tags are below the threshold.
 *                               Set to zero to disable tag delivery. You must set to zero if you are not
 *                               equipped to confirm delivery and call skm.tagsAcked() or failTags() later.
 *                               If this is always 0, it forces ElGamal every time.
 * @param lowTagsThreshold the threshold
 * @param skm non-null
 * @throws IllegalArgumentException on error
 */
public static GarlicMessage buildMessage(RouterContext ctx, GarlicConfig config, SessionKey wrappedKey, Set<SessionTag> wrappedTags, int numTagsToDeliver, int lowTagsThreshold, SessionKeyManager skm) {
    Log log = ctx.logManager().getLog(GarlicMessageBuilder.class);
    PublicKey key = config.getRecipientPublicKey();
    if (key == null) {
        if (config.getRecipient() == null) {
            throw new IllegalArgumentException("Null recipient specified");
        } else if (config.getRecipient().getIdentity() == null) {
            throw new IllegalArgumentException("Null recipient.identity specified");
        } else if (config.getRecipient().getIdentity().getPublicKey() == null) {
            throw new IllegalArgumentException("Null recipient.identity.publicKey specified");
        } else
            key = config.getRecipient().getIdentity().getPublicKey();
    }
    if (log.shouldLog(Log.INFO))
        log.info("Encrypted with public key to expire on " + new Date(config.getExpiration()));
    SessionKey curKey = skm.getCurrentOrNewKey(key);
    SessionTag curTag = null;
    curTag = skm.consumeNextAvailableTag(key, curKey);
    if (log.shouldLog(Log.DEBUG)) {
        int availTags = skm.getAvailableTags(key, curKey);
        log.debug("Available tags for encryption: " + availTags + " low threshold: " + lowTagsThreshold);
    }
    if (numTagsToDeliver > 0 && skm.shouldSendTags(key, curKey, lowTagsThreshold)) {
        for (int i = 0; i < numTagsToDeliver; i++) wrappedTags.add(new SessionTag(true));
        if (log.shouldLog(Log.INFO))
            log.info("Too few tags available so we're including " + numTagsToDeliver);
    }
    wrappedKey.setData(curKey.getData());
    return buildMessage(ctx, config, wrappedKey, wrappedTags, key, curKey, curTag);
}

Example 27 with Log

use of net.i2p.util.Log in project i2p.i2p by i2p.

the class GarlicMessageBuilder method buildMessage.

/**
 *  used by TestJob and directly above
 *  and for encrypting DatabaseLookupMessages
 *
 * @param ctx scope
 * @param config how/what to wrap
 * @param wrappedKey unused - why??
 * @param wrappedTags New tags to be sent along with the message.
 *                    200 max enforced at receiver; null OK
 * @param target public key of the location being garlic routed to (may be null if we
 *               know the encryptKey and encryptTag)
 * @param encryptKey sessionKey used to encrypt the current message, non-null
 * @param encryptTag sessionTag used to encrypt the current message, null to force ElG
 * @throws IllegalArgumentException on error
 */
public static GarlicMessage buildMessage(RouterContext ctx, GarlicConfig config, SessionKey wrappedKey, Set<SessionTag> wrappedTags, PublicKey target, SessionKey encryptKey, SessionTag encryptTag) {
    Log log = ctx.logManager().getLog(GarlicMessageBuilder.class);
    if (config == null)
        throw new IllegalArgumentException("Null config specified");
    GarlicMessage msg = new GarlicMessage(ctx);
    // noteWrap(ctx, msg, config);
    byte[] cloveSet = buildCloveSet(ctx, config);
    // TODO - 128 is the minimum padded size - should it be more? less? random?
    byte[] encData = ctx.elGamalAESEngine().encrypt(cloveSet, target, encryptKey, wrappedTags, encryptTag, 128);
    msg.setData(encData);
    msg.setMessageExpiration(config.getExpiration());
    long timeFromNow = config.getExpiration() - ctx.clock().now();
    if (timeFromNow < 1 * 1000) {
        if (log.shouldLog(Log.DEBUG))
            log.debug("Building a message expiring in " + timeFromNow + "ms: " + config, new Exception("created by"));
        return null;
    }
    if (log.shouldLog(Log.DEBUG))
        log.debug("CloveSet (" + config.getCloveCount() + " cloves) for message " + msg.getUniqueId() + " is " + cloveSet.length + " bytes and encrypted message data is " + encData.length + " bytes");
    return msg;
}

Example 28 with Log

use of net.i2p.util.Log in project i2p.i2p by i2p.

the class OutboundClientMessageJobHelper method buildAckClove.

/**
 *  Build a clove that sends a DeliveryStatusMessage to us.
 *  As of 0.9.12, the DSM is wrapped in a GarlicMessage.
 *  @param skm encrypt dsm with this skm non-null
 *  @return null on error
 */
private static PayloadGarlicConfig buildAckClove(RouterContext ctx, Hash from, TunnelInfo replyToTunnel, long replyToken, long expiration, SessionKeyManager skm) {
    Log log = ctx.logManager().getLog(OutboundClientMessageJobHelper.class);
    if (replyToTunnel == null) {
        if (log.shouldLog(Log.WARN))
            log.warn("Unable to send client message from " + from.toBase64() + ", as there are no inbound tunnels available");
        return null;
    }
    // tunnel id on that gateway
    TunnelId replyToTunnelId = replyToTunnel.getReceiveTunnelId(0);
    // inbound tunnel gateway
    Hash replyToTunnelRouter = replyToTunnel.getPeer(0);
    if (log.shouldLog(Log.DEBUG))
        log.debug("Ack for the data message will come back along tunnel " + replyToTunnelId + ": " + replyToTunnel);
    DeliveryInstructions ackInstructions = new DeliveryInstructions();
    ackInstructions.setDeliveryMode(DeliveryInstructions.DELIVERY_MODE_TUNNEL);
    ackInstructions.setRouter(replyToTunnelRouter);
    ackInstructions.setTunnelId(replyToTunnelId);
    // defaults
    // ackInstructions.setDelayRequested(false);
    // ackInstructions.setDelaySeconds(0);
    // ackInstructions.setEncrypted(false);
    PayloadGarlicConfig ackClove = new PayloadGarlicConfig();
    ackClove.setCertificate(Certificate.NULL_CERT);
    ackClove.setDeliveryInstructions(ackInstructions);
    ackClove.setExpiration(expiration);
    ackClove.setId(ctx.random().nextLong(I2NPMessage.MAX_ID_VALUE));
    DeliveryStatusMessage dsm = buildDSM(ctx, replyToken);
    GarlicMessage msg = wrapDSM(ctx, skm, dsm);
    if (msg == null) {
        if (log.shouldLog(Log.WARN))
            log.warn("Failed to wrap ack clove");
        return null;
    }
    ackClove.setPayload(msg);
    return ackClove;
}

Example 29 with Log

use of net.i2p.util.Log in project i2p.i2p by i2p.

the class OutboundClientMessageJobHelper method createGarlicConfig.

/**
 * Make the top-level config, with a data clove, an optional ack clove, and
 * an optional leaseset clove.
 *
 * @param dataClove non-null
 * @param replyTunnel non-null if requireAck is true or bundledReplyLeaseSet is non-null
 * @param requireAck if true, bundle replyToken in an ack clove
 * @param bundledReplyLeaseSet may be null; if non-null, put it in a clove
 * @param skm encrypt dsm with this skm non-null
 * @return null on error
 */
private static GarlicConfig createGarlicConfig(RouterContext ctx, long replyToken, long expiration, PublicKey recipientPK, PayloadGarlicConfig dataClove, Hash from, Destination dest, TunnelInfo replyTunnel, boolean requireAck, LeaseSet bundledReplyLeaseSet, SessionKeyManager skm) {
    Log log = ctx.logManager().getLog(OutboundClientMessageJobHelper.class);
    if (replyToken >= 0 && log.shouldLog(Log.DEBUG))
        log.debug("Reply token: " + replyToken);
    GarlicConfig config = new GarlicConfig();
    if (requireAck) {
        // extend the expiration of the return message
        PayloadGarlicConfig ackClove = buildAckClove(ctx, from, replyTunnel, replyToken, expiration + ACK_EXTRA_EXPIRATION, skm);
        if (ackClove == null)
            // no tunnels... TODO carry on anyway?
            return null;
        config.addClove(ackClove);
    }
    if (bundledReplyLeaseSet != null) {
        PayloadGarlicConfig leaseSetClove = buildLeaseSetClove(ctx, expiration, bundledReplyLeaseSet);
        config.addClove(leaseSetClove);
    }
    // As of 0.9.2, since the receiver processes them in-order,
    // put data clove last to speed up the ack,
    // and get the leaseset stored before handling the data
    config.addClove(dataClove);
    config.setCertificate(Certificate.NULL_CERT);
    config.setDeliveryInstructions(DeliveryInstructions.LOCAL);
    config.setId(ctx.random().nextLong(I2NPMessage.MAX_ID_VALUE));
    // +2*Router.CLOCK_FUDGE_FACTOR);
    config.setExpiration(expiration);
    config.setRecipientPublicKey(recipientPK);
    if (log.shouldLog(Log.INFO))
        log.info("Creating garlic config to be encrypted to " + recipientPK + " for destination " + dest.calculateHash().toBase64());
    return config;
}

Example 30 with Log

use of net.i2p.util.Log in project i2p.i2p by i2p.

the class UDPPacket method verifyNotReleased.

private synchronized void verifyNotReleased() {
    if (!CACHE)
        return;
    if (_released) {
        Log log = _context.logManager().getLog(UDPPacket.class);
        log.error("Already released", new Exception());
    // log.log(Log.CRIT, "Released by: ", _releasedBy);
    // log.log(Log.CRIT, "Acquired by: ", _acquiredBy);
    }
}