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

Example 11 with DatabaseEntry

use of net.i2p.data.DatabaseEntry 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 12 with DatabaseEntry

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

the class TransientDataStore method toString.

@Override
public String toString() {
    StringBuilder buf = new StringBuilder();
    buf.append("Transient DataStore: ").append(_data.size()).append("\nKeys: ");
    for (Map.Entry<Hash, DatabaseEntry> e : _data.entrySet()) {
        Hash key = e.getKey();
        DatabaseEntry dp = e.getValue();
        buf.append("\n\t*Key:   ").append(key.toString()).append("\n\tContent: ").append(dp.toString());
    }
    buf.append("\n");
    return buf.toString();
}

Example 13 with DatabaseEntry

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

the class ExpireRoutersJob method expireKeys.

/**
 * Run through all of the known peers and pick ones that have really old
 * routerInfo publish dates, excluding ones that we are connected to,
 * so that they can be failed
 *
 * @return number removed
 */
private int expireKeys() {
    Set<Hash> keys = _facade.getAllRouters();
    keys.remove(getContext().routerHash());
    if (keys.size() < 150)
        return 0;
    int removed = 0;
    for (Hash key : keys) {
        // Don't expire anybody we are connected to
        if (!getContext().commSystem().isEstablished(key)) {
            DatabaseEntry e = _facade.lookupLocallyWithoutValidation(key);
            if (e != null && e.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
                try {
                    if (_facade.validate((RouterInfo) e) != null) {
                        _facade.dropAfterLookupFailed(key);
                        removed++;
                    }
                } catch (IllegalArgumentException iae) {
                    _facade.dropAfterLookupFailed(key);
                    removed++;
                }
            }
        }
    }
    return removed;
}

Example 14 with DatabaseEntry

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

the class HandleFloodfillDatabaseStoreMessageJob method runJob.

public void runJob() {
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Handling database store message");
    long recvBegin = System.currentTimeMillis();
    String invalidMessage = null;
    // set if invalid store but not his fault
    boolean dontBlamePeer = false;
    boolean wasNew = false;
    RouterInfo prevNetDb = null;
    Hash key = _message.getKey();
    DatabaseEntry entry = _message.getEntry();
    if (entry.getType() == DatabaseEntry.KEY_TYPE_LEASESET) {
        getContext().statManager().addRateData("netDb.storeLeaseSetHandled", 1);
        if (_log.shouldLog(Log.INFO))
            _log.info("Handling dbStore of leaseset " + _message);
        try {
            // storing the other guy's leaseset, it will confuse us badly.
            if (getContext().clientManager().isLocal(key)) {
                // getContext().statManager().addRateData("netDb.storeLocalLeaseSetAttempt", 1, 0);
                // throw rather than return, so that we send the ack below (prevent easy attack)
                dontBlamePeer = true;
                throw new IllegalArgumentException("Peer attempted to store local leaseSet: " + key.toBase64().substring(0, 4));
            }
            LeaseSet ls = (LeaseSet) entry;
            // See ../HDLMJ for more info
            if (!ls.getReceivedAsReply())
                ls.setReceivedAsPublished(true);
            // boolean rap = ls.getReceivedAsPublished();
            // if (_log.shouldLog(Log.INFO))
            // _log.info("oldrap? " + oldrap + " oldrar? " + oldrar + " newrap? " + rap);
            LeaseSet match = getContext().netDb().store(key, ls);
            if (match == null) {
                wasNew = true;
            } else if (match.getEarliestLeaseDate() < ls.getEarliestLeaseDate()) {
                wasNew = true;
                if (match.getReceivedAsPublished())
                    ls.setReceivedAsPublished(true);
            } else {
                wasNew = false;
            // The FloodOnlyLookupSelector goes away after the first good reply
            // So on the second reply, FloodOnlyMatchJob is not called to set ReceivedAsReply.
            // So then we think it's an unsolicited store.
            // So we should skip this.
            // If the 2nd reply is newer than the first, ReceivedAsPublished will be set incorrectly,
            // that will hopefully be rare.
            // A more elaborate solution would be a List of recent ReceivedAsReply LeaseSets, with receive time ?
            // A real unsolicited store is likely to be new - hopefully...
            // if (!ls.getReceivedAsReply())
            // match.setReceivedAsPublished(true);
            }
        } catch (UnsupportedCryptoException uce) {
            invalidMessage = uce.getMessage();
            dontBlamePeer = true;
        } catch (IllegalArgumentException iae) {
            invalidMessage = iae.getMessage();
        }
    } else if (entry.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
        RouterInfo ri = (RouterInfo) entry;
        getContext().statManager().addRateData("netDb.storeRouterInfoHandled", 1);
        if (_log.shouldLog(Log.INFO))
            _log.info("Handling dbStore of router " + key + " with publishDate of " + new Date(ri.getPublished()));
        try {
            // somebody has our keys...
            if (getContext().routerHash().equals(key)) {
                // getContext().statManager().addRateData("netDb.storeLocalRouterInfoAttempt", 1, 0);
                // This is initiated by PeerTestJob from another peer
                // throw rather than return, so that we send the ack below (prevent easy attack)
                dontBlamePeer = true;
                throw new IllegalArgumentException("Peer attempted to store our RouterInfo");
            }
            getContext().profileManager().heardAbout(key);
            prevNetDb = getContext().netDb().store(key, ri);
            wasNew = ((null == prevNetDb) || (prevNetDb.getPublished() < ri.getPublished()));
            // Check new routerinfo address against blocklist
            if (wasNew) {
                if (prevNetDb == null) {
                    if ((!getContext().banlist().isBanlistedForever(key)) && getContext().blocklist().isBlocklisted(ri) && _log.shouldLog(Log.WARN))
                        _log.warn("Blocklisting new peer " + key + ' ' + ri);
                } else {
                    Collection<RouterAddress> oldAddr = prevNetDb.getAddresses();
                    Collection<RouterAddress> newAddr = ri.getAddresses();
                    if ((!newAddr.equals(oldAddr)) && (!getContext().banlist().isBanlistedForever(key)) && getContext().blocklist().isBlocklisted(ri) && _log.shouldLog(Log.WARN))
                        _log.warn("New address received, Blocklisting old peer " + key + ' ' + ri);
                }
            }
        } catch (UnsupportedCryptoException uce) {
            invalidMessage = uce.getMessage();
            dontBlamePeer = true;
        } catch (IllegalArgumentException iae) {
            invalidMessage = iae.getMessage();
        }
    } else {
        if (_log.shouldLog(Log.ERROR))
            _log.error("Invalid DatabaseStoreMessage data type - " + entry.getType() + ": " + _message);
        // don't ack or flood
        return;
    }
    long recvEnd = System.currentTimeMillis();
    getContext().statManager().addRateData("netDb.storeRecvTime", recvEnd - recvBegin);
    // TODO any cases where we shouldn't?
    if (_message.getReplyToken() > 0)
        sendAck(key);
    long ackEnd = System.currentTimeMillis();
    if (_from != null)
        _fromHash = _from.getHash();
    if (_fromHash != null) {
        if (invalidMessage == null || dontBlamePeer) {
            getContext().profileManager().dbStoreReceived(_fromHash, wasNew);
            getContext().statManager().addRateData("netDb.storeHandled", ackEnd - recvEnd);
        } else {
            // Should we record in the profile?
            if (_log.shouldLog(Log.WARN))
                _log.warn("Peer " + _fromHash.toBase64() + " sent bad data: " + invalidMessage);
        }
    } else if (invalidMessage != null && !dontBlamePeer) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Unknown peer sent bad data: " + invalidMessage);
    }
    // flood it
    if (invalidMessage == null && getContext().netDb().floodfillEnabled() && _message.getReplyToken() > 0) {
        if (wasNew) {
            // Note this does not throttle the ack above
            if (_facade.shouldThrottleFlood(key)) {
                if (_log.shouldLog(Log.WARN))
                    _log.warn("Too many recent stores, not flooding key: " + key);
                getContext().statManager().addRateData("netDb.floodThrottled", 1);
                return;
            }
            long floodBegin = System.currentTimeMillis();
            _facade.flood(_message.getEntry());
            // ERR: see comment in HandleDatabaseLookupMessageJob regarding hidden mode
            // else if (!_message.getRouterInfo().isHidden())
            long floodEnd = System.currentTimeMillis();
            getContext().statManager().addRateData("netDb.storeFloodNew", floodEnd - floodBegin, 60 * 1000);
        } else {
            // don't flood it *again*
            getContext().statManager().addRateData("netDb.storeFloodOld", 1);
        }
    }
}

Example 15 with DatabaseEntry

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

the class KademliaNetworkDatabaseFacade method unpublish.

public void unpublish(LeaseSet localLeaseSet) {
    if (!_initialized)
        return;
    Hash h = localLeaseSet.getDestination().calculateHash();
    DatabaseEntry data = _ds.remove(h);
    if (data == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Unpublished a lease we don't know...: " + localLeaseSet);
    } else {
        if (_log.shouldLog(Log.INFO))
            _log.info("Unpublished a lease: " + h);
    }
// now update it if we can to remove any leases
}