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

Example 1 with LeaseSet

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

the class NetDbRenderer method renderLeaseSetHTML.

/**
 *  @param debug @since 0.7.14 sort by distance from us, display
 *               median distance, and other stuff, useful when floodfill
 */
public void renderLeaseSetHTML(Writer out, boolean debug) throws IOException {
    StringBuilder buf = new StringBuilder(4 * 1024);
    if (debug)
        buf.append("<p id=\"debugmode\">Debug mode - Sorted by hash distance, closest first</p>\n");
    Hash ourRKey;
    Set<LeaseSet> leases;
    DecimalFormat fmt;
    if (debug) {
        ourRKey = _context.routerHash();
        leases = new TreeSet<LeaseSet>(new LeaseSetRoutingKeyComparator(ourRKey));
        fmt = new DecimalFormat("#0.00");
    } else {
        ourRKey = null;
        leases = new TreeSet<LeaseSet>(new LeaseSetComparator());
        fmt = null;
    }
    leases.addAll(_context.netDb().getLeases());
    int medianCount = 0;
    int rapCount = 0;
    BigInteger median = null;
    int c = 0;
    // Summary
    FloodfillNetworkDatabaseFacade netdb = (FloodfillNetworkDatabaseFacade) _context.netDb();
    if (debug) {
        buf.append("<table id=\"leasesetdebug\">\n");
    } else {
        buf.append("<table id=\"leasesetsummary\">\n");
    }
    buf.append("<tr><th colspan=\"3\">Leaseset Summary</th>").append("<th><a href=\"/configadvanced\" title=\"").append(_t("Manually Configure Floodfill Participation")).append("\">[").append(_t("Configure Floodfill Participation")).append("]</a></th></tr>\n").append("<tr><td><b>Total Leasesets:</b></td><td colspan=\"3\">").append(leases.size()).append("</td></tr>\n");
    if (debug) {
        buf.append("<tr><td><b>Published (RAP) Leasesets:</b></td><td colspan=\"3\">").append(netdb.getKnownLeaseSets()).append("</td></tr>\n").append("<tr><td><b>Mod Data:</b></td><td>").append(DataHelper.getUTF8(_context.routerKeyGenerator().getModData())).append("</td>").append("<td><b>Last Changed:</b></td><td>").append(new Date(_context.routerKeyGenerator().getLastChanged())).append("</td></tr>\n").append("<tr><td><b>Next Mod Data:</b></td><td>").append(DataHelper.getUTF8(_context.routerKeyGenerator().getNextModData())).append("</td>").append("<td><b>Change in:</b></td><td>").append(DataHelper.formatDuration(_context.routerKeyGenerator().getTimeTillMidnight())).append("</td></tr>\n");
    }
    int ff = _context.peerManager().getPeersByCapability(FloodfillNetworkDatabaseFacade.CAPABILITY_FLOODFILL).size();
    buf.append("<tr><td><b>Known Floodfills:</b></td><td colspan=\"3\">").append(ff).append("</td></tr>\n").append("<tr><td><b>Currently Floodfill?</b></td><td colspan=\"3\">").append(netdb.floodfillEnabled() ? "yes" : "no").append("</td></tr>\n");
    buf.append("</table>\n");
    if (leases.isEmpty()) {
        if (!debug)
            buf.append("<div id=\"noleasesets\"><i>").append(_t("No Leasesets currently active.")).append("</i></div>");
    } else {
        if (debug) {
            // Find the center of the RAP leasesets
            for (LeaseSet ls : leases) {
                if (ls.getReceivedAsPublished())
                    rapCount++;
            }
            medianCount = rapCount / 2;
        }
        boolean linkSusi = WebAppStarter.isWebAppRunning("susidns");
        long now = _context.clock().now();
        buf.append("<div class=\"leasesets_container\">");
        for (LeaseSet ls : leases) {
            Destination dest = ls.getDestination();
            Hash key = dest.calculateHash();
            buf.append("<table class=\"leaseset\">\n").append("<tr><th><b>").append(_t("LeaseSet")).append(":</b>&nbsp;<code>").append(key.toBase64()).append("</code>");
            if (_context.keyRing().get(key) != null)
                buf.append(" (").append(_t("Encrypted")).append(')');
            buf.append("</th>");
            if (_context.clientManager().isLocal(dest)) {
                buf.append("<th><a href=\"tunnels#" + key.toBase64().substring(0, 4) + "\">" + _t("Local") + "</a> ");
                boolean unpublished = !_context.clientManager().shouldPublishLeaseSet(key);
                if (unpublished)
                    buf.append("<b>").append(_t("Unpublished")).append("</b> ");
                buf.append("<b>").append(_t("Destination")).append(":</b> ");
                TunnelPoolSettings in = _context.tunnelManager().getInboundSettings(key);
                if (in != null && in.getDestinationNickname() != null)
                    buf.append(in.getDestinationNickname());
                else
                    buf.append(dest.toBase64().substring(0, 6));
                buf.append("</th></tr>\n<tr><td");
                // If the dest is published but not in the addressbook, an extra
                // <td> is appended with an "Add to addressbook" link, so this
                // <td> should not span 2 columns.
                String host = null;
                if (!unpublished) {
                    host = _context.namingService().reverseLookup(dest);
                }
                if (unpublished || host != null || !linkSusi) {
                    buf.append(" colspan=\"2\"");
                }
                buf.append(">");
                String b32 = dest.toBase32();
                buf.append("<a href=\"http://").append(b32).append("\">").append(b32).append("</a></td>");
                if (linkSusi && !unpublished) {
                    if (host == null) {
                        buf.append("<td class=\"addtobook\" colspan=\"2\">").append("<a title=\"").append(_t("Add to addressbook")).append("\" href=\"/susidns/addressbook.jsp?book=private&amp;destination=").append(dest.toBase64()).append("#add\">").append(_t("Add to local addressbook")).append("</a></td>");
                    }
                }
            // else probably a client
            } else {
                buf.append("<th><b>").append(_t("Destination")).append(":</b> ");
                String host = _context.namingService().reverseLookup(dest);
                if (host != null) {
                    buf.append("<a href=\"http://").append(host).append("/\">").append(host).append("</a></th>");
                } else {
                    String b32 = dest.toBase32();
                    buf.append("<code>").append(dest.toBase64().substring(0, 6)).append("</code></th>").append("</tr>\n<tr><td");
                    if (!linkSusi)
                        buf.append(" colspan=\"2\"");
                    buf.append("><a href=\"http://").append(b32).append("\">").append(b32).append("</a></td>\n");
                    if (linkSusi) {
                        buf.append("<td class=\"addtobook\"><a title=\"").append(_t("Add to addressbook")).append("\" href=\"/susidns/addressbook.jsp?book=private&amp;destination=").append(dest.toBase64()).append("#add\">").append(_t("Add to local addressbook")).append("</a></td>");
                    }
                }
            }
            buf.append("</tr>\n<tr><td colspan=\"2\">\n");
            long exp = ls.getLatestLeaseDate() - now;
            if (exp > 0)
                buf.append("<b>").append(_t("Expires in {0}", DataHelper.formatDuration2(exp))).append("</b>");
            else
                buf.append("<b>").append(_t("Expired {0} ago", DataHelper.formatDuration2(0 - exp))).append("</b>");
            buf.append("</td></tr>\n");
            if (debug) {
                buf.append("<tr><td colspan=\"2\">");
                buf.append("<b>RAP?</b> ").append(ls.getReceivedAsPublished());
                buf.append("&nbsp;&nbsp;<b>RAR?</b> ").append(ls.getReceivedAsReply());
                BigInteger dist = HashDistance.getDistance(ourRKey, ls.getRoutingKey());
                if (ls.getReceivedAsPublished()) {
                    if (c++ == medianCount)
                        median = dist;
                }
                buf.append("&nbsp;&nbsp;<b>Distance: </b>").append(fmt.format(biLog2(dist)));
                buf.append("</td></tr>\n<tr><td colspan=\"2\">");
                // buf.append(dest.toBase32()).append("<br>");
                buf.append("<b>Signature type:</b> ").append(dest.getSigningPublicKey().getType());
                buf.append("&nbsp;&nbsp;<b>Encryption Key:</b> ").append(ls.getEncryptionKey().toBase64().substring(0, 20)).append("&hellip;");
                buf.append("</td></tr>\n<tr><td colspan=\"2\">");
                buf.append("<b>Routing Key:</b> ").append(ls.getRoutingKey().toBase64());
                buf.append("</td></tr>");
            }
            buf.append("<tr><td colspan=\"2\"><ul class=\"netdb_leases\">");
            for (int i = 0; i < ls.getLeaseCount(); i++) {
                Lease lease = ls.getLease(i);
                buf.append("<li><b>").append(_t("Lease")).append(' ').append(i + 1).append(":</b> <span class=\"netdb_gateway\" title=\"").append(_t("Gateway")).append("\"><img src=\"themes/console/images/info/gateway.png\" alt=\"").append(_t("Gateway")).append("\"></span> <span class=\"tunnel_peer\">");
                buf.append(_context.commSystem().renderPeerHTML(lease.getGateway()));
                buf.append("</span> <span class=\"netdb_tunnel\">").append(_t("Tunnel")).append(" <span class=\"tunnel_id\">").append(lease.getTunnelId().getTunnelId()).append("</span></span> ");
                if (debug) {
                    long exl = lease.getEndDate().getTime() - now;
                    if (exl > 0)
                        buf.append("<b class=\"netdb_expiry\">").append(_t("Expires in {0}", DataHelper.formatDuration2(exl))).append("</b>");
                    else
                        buf.append("<b class=\"netdb_expiry\">").append(_t("Expired {0} ago", DataHelper.formatDuration2(0 - exl))).append("</b>");
                }
                buf.append("</li>");
            }
            buf.append("</ul></td></tr>\n");
            buf.append("</table>\n");
            out.write(buf.toString());
            buf.setLength(0);
        }
        // for each
        if (debug) {
            buf.append("<table id=\"leasesetdebug\"><tr><td><b>Network data (only valid if floodfill):</b></td><td colspan=\"3\">");
            // buf.append("</b></p><p><b>Center of Key Space (router hash): " + ourRKey.toBase64());
            if (median != null) {
                double log2 = biLog2(median);
                buf.append("</td></tr>").append("<tr><td><b>Median distance (bits):</b></td><td colspan=\"3\">").append(fmt.format(log2)).append("</td></tr>\n");
                // 2 for 4 floodfills... -1 for median
                // this can be way off for unknown reasons
                int total = (int) Math.round(Math.pow(2, 2 + 256 - 1 - log2));
                buf.append("<tr><td><b>Estimated total floodfills:</b></td><td colspan=\"3\">").append(total).append("</td></tr>\n");
                buf.append("<tr><td><b>Estimated total leasesets:</b></td><td colspan=\"3\">").append(total * rapCount / 4);
            } else {
                buf.append("<i>Not floodfill or no data.</i>");
            }
            buf.append("</td></tr></table>\n");
        }
        // median table
        buf.append("</div>");
    }
    // !empty
    out.write(buf.toString());
    out.flush();
}

Example 2 with LeaseSet

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

the class SummaryHelper method getDestinations.

/**
 * Client destinations connected locally.
 *
 * @return html section summary
 */
public String getDestinations() {
    // convert the set to a list so we can sort by name and not lose duplicates
    List<Destination> clients = new ArrayList<Destination>(_context.clientManager().listClients());
    StringBuilder buf = new StringBuilder(512);
    boolean link = WebAppStarter.isWebAppRunning("i2ptunnel");
    buf.append("<h3>");
    if (link) {
        buf.append("<a href=\"/i2ptunnelmgr\" target=\"_top\" title=\"").append(_t("Add/remove/edit &amp; control your client and server tunnels")).append("\">");
    }
    buf.append(_t("Local Tunnels"));
    if (link) {
        buf.append("</a>");
    }
    buf.append("</h3><hr class=\"b\">");
    if (!clients.isEmpty()) {
        Collections.sort(clients, new AlphaComparator());
        buf.append("<table id=\"sb_localtunnels\">");
        for (Destination client : clients) {
            String name = getName(client);
            Hash h = client.calculateHash();
            buf.append("<tr><td align=\"right\"><img src=\"/themes/console/images/");
            if (_context.clientManager().shouldPublishLeaseSet(h))
                buf.append("server.png\" alt=\"Server\" title=\"").append(_t("Hidden Service")).append("\">");
            else
                buf.append("client.png\" alt=\"Client\" title=\"").append(_t("Client")).append("\">");
            buf.append("</td><td align=\"left\"><b><a href=\"tunnels#").append(h.toBase64().substring(0, 4));
            buf.append("\" target=\"_top\" title=\"").append(_t("Show tunnels")).append("\">");
            // Increase permitted max length of tunnel name & handle overflow with css
            if (name.length() <= 32)
                buf.append(DataHelper.escapeHTML(name));
            else
                buf.append(DataHelper.escapeHTML(ServletUtil.truncate(name, 29))).append("&hellip;");
            buf.append("</a></b></td>\n");
            LeaseSet ls = _context.netDb().lookupLeaseSetLocally(h);
            if (ls != null && _context.tunnelManager().getOutboundClientTunnelCount(h) > 0) {
                long timeToExpire = ls.getEarliestLeaseDate() - _context.clock().now();
                if (timeToExpire < 0) {
                    // red or yellow light
                    buf.append("<td><img src=\"/themes/console/images/local_inprogress.png\" alt=\"").append(_t("Rebuilding")).append("&hellip;\" title=\"").append(_t("Leases expired")).append(" ").append(DataHelper.formatDuration2(0 - timeToExpire));
                    buf.append(" ").append(_t("ago")).append(". ").append(_t("Rebuilding")).append("&hellip;\"></td></tr>\n");
                } else {
                    // green light
                    buf.append("<td><img src=\"/themes/console/images/local_up.png\" alt=\"Ready\" title=\"").append(_t("Ready")).append("\"></td></tr>\n");
                }
            } else {
                // yellow light
                buf.append("<td><img src=\"/themes/console/images/local_inprogress.png\" alt=\"").append(_t("Building")).append("&hellip;\" title=\"").append(_t("Building tunnels")).append("&hellip;\"></td></tr>\n");
            }
        }
        buf.append("</table>");
    } else {
        buf.append("<center><i>").append(_t("none")).append("</i></center>");
    }
    return buf.toString();
}

Example 3 with LeaseSet

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

the class SybilRenderer method renderRouterInfoHTML.

/**
 *  The whole thing
 *
 *  @param routerPrefix ignored
 */
private void renderRouterInfoHTML(Writer out, String routerPrefix) throws IOException {
    Set<Hash> ffs = _context.peerManager().getPeersByCapability('f');
    List<RouterInfo> ris = new ArrayList<RouterInfo>(ffs.size());
    Hash us = _context.routerHash();
    Hash ourRKey = _context.router().getRouterInfo().getRoutingKey();
    for (Hash ff : ffs) {
        if (ff.equals(us))
            continue;
        RouterInfo ri = _context.netDb().lookupRouterInfoLocally(ff);
        if (ri != null)
            ris.add(ri);
    }
    if (ris.isEmpty()) {
        out.write("<h3 class=\"sybils\">No known floodfills</h3>");
        return;
    }
    StringBuilder buf = new StringBuilder(4 * 1024);
    buf.append("<p id=\"sybilinfo\"><b>This is an experimental network database tool for debugging and analysis. Do not panic even if you see warnings below. " + "Possible \"threats\" are summarized at the bottom, however these are unlikely to be real threats. " + "If you see anything you would like to discuss with the devs, contact us on IRC #i2p-dev.</b></p>" + "<div id=\"sybilnav\"><ul><li><a href=\"#known\">FF Summary</a>" + "</li><li><a href=\"#family\">Same Family</a>" + "</li><li><a href=\"#ourIP\">IP close to us</a>" + "</li><li><a href=\"#sameIP\">Same IP</a>" + "</li><li><a href=\"#same24\">Same /24</a>" + "</li><li><a href=\"#same16\">Same /16</a>" + "</li><li><a href=\"#pairs\">Pair distance</a>" + "</li><li><a href=\"#ritoday\">Close to us</a>" + "</li><li><a href=\"#ritmrw\">Close to us tomorrow</a>" + "</li><li><a href=\"#dht\">DHT neighbors</a>" + "</li><li><a href=\"#dest\">Close to our destinations</a>" + "</li><li><a href=\"#threats\">Highest threats</a>" + "</li></ul></div>");
    renderRouterInfo(buf, _context.router().getRouterInfo(), null, true, false);
    buf.append("<h3 id=\"known\" class=\"sybils\">Known Floodfills: ").append(ris.size()).append("</h3>");
    double tot = 0;
    int count = 200;
    byte[] b = new byte[32];
    for (int i = 0; i < count; i++) {
        _context.random().nextBytes(b);
        Hash h = new Hash(b);
        double d = closestDistance(h, ris);
        tot += d;
    }
    double avgMinDist = tot / count;
    buf.append("<div id=\"sybils_summary\">\n");
    buf.append("<b>Average closest floodfill distance:</b> ").append(fmt.format(avgMinDist)).append("<br>\n");
    buf.append("<b>Routing Data:</b> \"").append(DataHelper.getUTF8(_context.routerKeyGenerator().getModData())).append("\" <b>Last Changed:</b> ").append(new Date(_context.routerKeyGenerator().getLastChanged())).append("<br>\n");
    buf.append("<b>Next Routing Data:</b> \"").append(DataHelper.getUTF8(_context.routerKeyGenerator().getNextModData())).append("\" <b>Rotates in:</b> ").append(DataHelper.formatDuration(_context.routerKeyGenerator().getTimeTillMidnight())).append("\n");
    buf.append("</div>\n");
    Map<Hash, Points> points = new HashMap<Hash, Points>(64);
    // IP analysis
    renderIPGroupsFamily(out, buf, ris, points);
    renderIPGroupsUs(out, buf, ris, points);
    renderIPGroups32(out, buf, ris, points);
    renderIPGroups24(out, buf, ris, points);
    renderIPGroups16(out, buf, ris, points);
    // Pairwise distance analysis
    renderPairDistance(out, buf, ris, points);
    // Distance to our router analysis
    buf.append("<h3 id=\"ritoday\" class=\"sybils\">Closest Floodfills to Our Routing Key (Where we Store our RI)</h3>");
    buf.append("<p class=\"sybil_info\"><a href=\"/netdb?caps=f&amp;sybil\">See all</a></p>");
    renderRouterInfoHTML(out, buf, ourRKey, avgMinDist, ris, points);
    RouterKeyGenerator rkgen = _context.routerKeyGenerator();
    Hash nkey = rkgen.getNextRoutingKey(us);
    buf.append("<h3 id=\"ritmrw\" class=\"sybils\">Closest Floodfills to Tomorrow's Routing Key (Where we will Store our RI)</h3>");
    buf.append("<p class=\"sybil_info\"><a href=\"/netdb?caps=f&amp;sybil\">See all</a></p>");
    renderRouterInfoHTML(out, buf, nkey, avgMinDist, ris, points);
    buf.append("<h3 id=\"dht\" class=\"sybils\">Closest Floodfills to Our Router Hash (DHT Neighbors if we are Floodfill)</h3>");
    renderRouterInfoHTML(out, buf, us, avgMinDist, ris, points);
    // Distance to our published destinations analysis
    buf.append("<h3 id=\"dest\" class=\"sybils\">Floodfills Close to Our Destinations</h3>");
    Map<Hash, TunnelPool> clientInboundPools = _context.tunnelManager().getInboundClientPools();
    List<Hash> destinations = new ArrayList<Hash>(clientInboundPools.keySet());
    // boolean debug = _context.getBooleanProperty(HelperBase.PROP_ADVANCED);
    for (Hash client : destinations) {
        boolean isLocal = _context.clientManager().isLocal(client);
        if (!isLocal)
            continue;
        if (!_context.clientManager().shouldPublishLeaseSet(client))
            continue;
        LeaseSet ls = _context.netDb().lookupLeaseSetLocally(client);
        if (ls == null)
            continue;
        Hash rkey = ls.getRoutingKey();
        TunnelPool in = clientInboundPools.get(client);
        String name = (in != null) ? in.getSettings().getDestinationNickname() : client.toBase64().substring(0, 4);
        buf.append("<h3 class=\"sybils\">Closest floodfills to the Routing Key for " + DataHelper.escapeHTML(name) + " (where we store our LS)</h3>");
        buf.append("<p class=\"sybil_info\"><a href=\"/netdb?caps=f&amp;sybil=" + ls.getHash().toBase64() + "\">See all</a></p>");
        renderRouterInfoHTML(out, buf, rkey, avgMinDist, ris, points);
        nkey = rkgen.getNextRoutingKey(ls.getHash());
        buf.append("<h3 class=\"sybils\">Closest floodfills to Tomorrow's Routing Key for " + DataHelper.escapeHTML(name) + " (where we will store our LS)</h3>");
        buf.append("<p class=\"sybil_info\"><a href=\"/netdb?caps=f&amp;sybil=" + ls.getHash().toBase64() + "\">See all</a></p>");
        renderRouterInfoHTML(out, buf, nkey, avgMinDist, ris, points);
    }
    // Profile analysis
    addProfilePoints(ris, points);
    addVersionPoints(ris, points);
    if (!points.isEmpty()) {
        List<Hash> warns = new ArrayList<Hash>(points.keySet());
        Collections.sort(warns, new PointsComparator(points));
        buf.append("<h3 id=\"threats\" class=\"sybils\">Routers with Most Threat Points</h3>");
        for (Hash h : warns) {
            RouterInfo ri = _context.netDb().lookupRouterInfoLocally(h);
            if (ri == null)
                continue;
            Points pp = points.get(h);
            double p = pp.points;
            if (p < MIN_DISPLAY_POINTS)
                // sorted
                break;
            buf.append("<p class=\"threatpoints\"><b>Threat Points: " + fmt.format(p) + "</b></p><ul>");
            for (String s : pp.reasons) {
                buf.append("<li>").append(s).append("</li>");
            }
            buf.append("</ul>");
            renderRouterInfo(buf, ri, null, false, false);
        }
    }
    out.write(buf.toString());
    out.flush();
    buf.setLength(0);
}

Example 4 with LeaseSet

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

the class RequestLeaseSetMessageHandler method handleMessage.

public void handleMessage(I2CPMessage message, I2PSessionImpl session) {
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Handle message " + message);
    RequestLeaseSetMessage msg = (RequestLeaseSetMessage) message;
    LeaseSet leaseSet = new LeaseSet();
    for (int i = 0; i < msg.getEndpoints(); i++) {
        Lease lease = new Lease();
        lease.setGateway(msg.getRouter(i));
        lease.setTunnelId(msg.getTunnelId(i));
        lease.setEndDate(msg.getEndDate());
        // lease.setStartDate(msg.getStartDate());
        leaseSet.addLease(lease);
    }
    signLeaseSet(leaseSet, session);
}

Example 5 with LeaseSet

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

the class DatabaseStoreMessage method readMessage.

public void readMessage(byte[] data, int offset, int dataSize, int type) throws I2NPMessageException {
    if (type != MESSAGE_TYPE)
        throw new I2NPMessageException("Message type is incorrect for this message");
    int curIndex = offset;
    _key = Hash.create(data, curIndex);
    // Fast-fail here to save resources.
    if (_key.equals(Hash.FAKE_HASH)) {
        // createRateStat in KNDF
        _context.statManager().addRateData("netDb.DSMAllZeros", 1);
        throw new I2NPMessageException("DSM all zeros");
    }
    curIndex += Hash.HASH_LENGTH;
    // as of 0.9.18, ignore other 7 bits of the type byte, in preparation for future options
    int dbType = data[curIndex] & 0x01;
    curIndex++;
    _replyToken = DataHelper.fromLong(data, curIndex, 4);
    curIndex += 4;
    if (_replyToken > 0) {
        long tunnel = DataHelper.fromLong(data, curIndex, 4);
        if (tunnel > 0)
            _replyTunnel = new TunnelId(tunnel);
        curIndex += 4;
        _replyGateway = Hash.create(data, curIndex);
        curIndex += Hash.HASH_LENGTH;
    } else {
        _replyTunnel = null;
        _replyGateway = null;
    }
    if (dbType == DatabaseEntry.KEY_TYPE_LEASESET) {
        _dbEntry = new LeaseSet();
        try {
            _dbEntry.readBytes(new ByteArrayInputStream(data, curIndex, data.length - curIndex));
        } catch (DataFormatException dfe) {
            throw new I2NPMessageException("Error reading the leaseSet", dfe);
        } catch (IOException ioe) {
            throw new I2NPMessageException("Error reading the leaseSet", ioe);
        }
    } else {
        // dbType == DatabaseEntry.KEY_TYPE_ROUTERINFO
        _dbEntry = new RouterInfo();
        int compressedSize = (int) DataHelper.fromLong(data, curIndex, 2);
        curIndex += 2;
        if (compressedSize <= 0 || curIndex + compressedSize > data.length || curIndex + compressedSize > dataSize + offset)
            throw new I2NPMessageException("Compressed RI length: " + compressedSize + " but remaining bytes: " + Math.min(data.length - curIndex, dataSize + offset - curIndex));
        try {
            // TODO we could delay decompression, just copy to a new byte array and store in _byteCache
            // May not be necessary since the IBGW now uses UnknownI2NPMessage.
            // DSMs at the OBEP are generally garlic wrapped, so the OBEP won't see it.
            // If we do delay it, getEntry() will have to check if _dbEntry is null and _byteCache
            // is non-null, and then decompress.
            byte[] decompressed = DataHelper.decompress(data, curIndex, compressedSize);
            _dbEntry.readBytes(new ByteArrayInputStream(decompressed));
        } catch (DataFormatException dfe) {
            throw new I2NPMessageException("Error reading the routerInfo", dfe);
        } catch (IOException ioe) {
            throw new I2NPMessageException("Corrupt compressed routerInfo size = " + compressedSize, ioe);
        }
    }
// if (!key.equals(_dbEntry.getHash()))
// throw new I2NPMessageException("Hash mismatch in DSM");
}