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

Example 81 with Log

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

the class OOMListener method outOfMemory.

public void outOfMemory(OutOfMemoryError oom) {
    try {
        // prevent multiple parallel shutdowns (when you OOM, you OOM a lot...)
        if (_context.router().isFinalShutdownInProgress())
            return;
    } catch (OutOfMemoryError oome) {
    }
    try {
        // Only do this once
        if (_wasCalled.getAndSet(true))
            return;
    } catch (OutOfMemoryError oome) {
    }
    try {
        // boost priority to help us shut down
        // this may or may not do anything...
        Thread.currentThread().setPriority(Thread.MAX_PRIORITY - 1);
    } catch (OutOfMemoryError oome) {
    }
    try {
        Router.clearCaches();
    } catch (OutOfMemoryError oome) {
    }
    Log log = null;
    try {
        log = _context.logManager().getLog(Router.class);
        log.log(Log.CRIT, "Thread ran out of memory, shutting down I2P", oom);
        log.log(Log.CRIT, "free mem: " + Runtime.getRuntime().freeMemory() + " total mem: " + Runtime.getRuntime().totalMemory());
        // Can't find any System property or wrapper property that gives
        // you the actual config file path, have to guess
        String path;
        if (SystemVersion.isLinuxService()) {
            if (SystemVersion.isGentoo())
                path = "/usr/share/i2p";
            else
                path = "/etc/i2p";
        } else {
            path = _context.getBaseDir().toString();
        }
        if (_context.hasWrapper()) {
            log.log(Log.CRIT, "To prevent future shutdowns, increase wrapper.java.maxmemory in " + path + File.separatorChar + "wrapper.config");
        } else if (!SystemVersion.isWindows()) {
            log.log(Log.CRIT, "To prevent future shutdowns, increase MAXMEMOPT in " + path + File.separatorChar + "runplain.sh or /usr/bin/i2prouter-nowrapper");
        } else {
            log.log(Log.CRIT, "To prevent future shutdowns, run the restartable version of I2P, and increase wrapper.java.maxmemory in " + path + File.separatorChar + "wrapper.config");
        }
    } catch (OutOfMemoryError oome) {
    }
    try {
        ThreadDump.dump(_context, 1);
    } catch (OutOfMemoryError oome) {
    }
    try {
        _context.router().eventLog().addEvent(EventLog.OOM);
    } catch (OutOfMemoryError oome) {
    }
    try {
        _context.router().shutdown(Router.EXIT_OOM);
    } catch (OutOfMemoryError oome) {
    }
}

Example 82 with Log

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

the class Restarter method run.

public void run() {
    _context.router().eventLog().addEvent(EventLog.SOFT_RESTART);
    Log log = _context.logManager().getLog(Router.class);
    log.error("Stopping the router for a restart...");
    log.logAlways(Log.WARN, "Stopping the client manager");
    // NOTE: DisconnectMessageHandler keys off "restart"
    try {
        _context.clientManager().shutdown("Router restart");
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error stopping the client manager", t);
    }
    log.logAlways(Log.WARN, "Stopping the comm system");
    _context.bandwidthLimiter().reinitialize();
    try {
        _context.messageRegistry().restart();
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error restarting the message registry", t);
    }
    try {
        _context.commSystem().restart();
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error restarting the comm system", t);
    }
    log.logAlways(Log.WARN, "Stopping the tunnel manager");
    try {
        _context.tunnelManager().restart();
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error restarting the tunnel manager", t);
    }
    // try { _context.peerManager().restart(); } catch (Throwable t) { log.log(Log.CRIT, "Error restarting the peer manager", t); }
    // try { _context.netDb().restart(); } catch (Throwable t) { log.log(Log.CRIT, "Error restarting the networkDb", t); }
    // try { _context.jobQueue().restart(); } catch (Throwable t) { log.log(Log.CRIT, "Error restarting the job queue", t); }
    log.logAlways(Log.WARN, "Router teardown complete, restarting the router...");
    try {
        Thread.sleep(10 * 1000);
    } catch (InterruptedException ie) {
    }
    log.logAlways(Log.WARN, "Restarting the comm system");
    log.logAlways(Log.WARN, "Restarting the tunnel manager");
    log.logAlways(Log.WARN, "Restarting the client manager");
    try {
        _context.clientMessagePool().restart();
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error restarting the CMP", t);
    }
    try {
        _context.clientManager().startup();
    } catch (Throwable t) {
        log.log(Log.CRIT, "Error starting the client manager", t);
    }
    _context.router().setIsAlive();
    _context.router().rebuildRouterInfo();
    log.logAlways(Log.WARN, "Restart complete");
    ((RouterClock) _context.clock()).addShiftListener(_context.router());
}

Example 83 with Log

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

the class NtpClient method main.

/**
 * Usage: NtpClient [-6] [servers...]
 * default pool.ntp.org
 */
public static void main(String[] args) throws IOException {
    boolean ipv6 = false;
    if (args.length > 0 && args[0].equals("-6")) {
        ipv6 = true;
        if (args.length == 1)
            args = new String[0];
        else
            args = Arrays.copyOfRange(args, 1, args.length);
    }
    if (args.length <= 0) {
        args = new String[] { "pool.ntp.org" };
    }
    System.out.println("Querying " + Arrays.toString(args));
    Log log = new Log(NtpClient.class);
    try {
        long[] rv = currentTimeAndStratum(args, DEFAULT_TIMEOUT, ipv6, log);
        System.out.println("Current time: " + new java.util.Date(rv[0]) + " (stratum " + rv[1] + ") offset " + (rv[0] - System.currentTimeMillis()) + "ms");
    } catch (IllegalArgumentException iae) {
        System.out.println("Failed: " + iae.getMessage());
    }
}

Example 84 with Log

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

the class NetDbRenderer method renderStatusHTML.

/**
 *  @param mode 0: charts only; 1: full routerinfos; 2: abbreviated routerinfos
 */
public void renderStatusHTML(Writer out, int mode) throws IOException {
    if (!_context.netDb().isInitialized()) {
        out.write("<div id=\"notinitialized\">");
        out.write(_t("Not initialized"));
        out.write("</div>");
        out.flush();
        return;
    }
    Log log = _context.logManager().getLog(NetDbRenderer.class);
    long start = System.currentTimeMillis();
    boolean full = mode == 1;
    boolean shortStats = mode == 2;
    // this means show the router infos
    boolean showStats = full || shortStats;
    Hash us = _context.routerHash();
    StringBuilder buf = new StringBuilder(8192);
    if (showStats) {
        RouterInfo ourInfo = _context.router().getRouterInfo();
        renderRouterInfo(buf, ourInfo, true, true);
        out.write(buf.toString());
        buf.setLength(0);
    }
    ObjectCounter<String> versions = new ObjectCounter<String>();
    ObjectCounter<String> countries = new ObjectCounter<String>();
    int[] transportCount = new int[TNAMES.length];
    Set<RouterInfo> routers = new TreeSet<RouterInfo>(new RouterInfoComparator());
    routers.addAll(_context.netDb().getRouters());
    for (RouterInfo ri : routers) {
        Hash key = ri.getIdentity().getHash();
        boolean isUs = key.equals(us);
        if (!isUs) {
            if (showStats) {
                renderRouterInfo(buf, ri, false, full);
                out.write(buf.toString());
                buf.setLength(0);
            }
            String routerVersion = ri.getOption("router.version");
            if (routerVersion != null)
                versions.increment(routerVersion);
            String country = _context.commSystem().getCountry(key);
            if (country != null)
                countries.increment(country);
            transportCount[classifyTransports(ri)]++;
        }
    }
    long end = System.currentTimeMillis();
    if (log.shouldWarn())
        log.warn("part 1 took " + (end - start));
    start = end;
    // 
    if (!showStats) {
        // the summary table
        buf.append("<table id=\"netdboverview\" border=\"0\" cellspacing=\"30\"><tr><th colspan=\"3\">").append(_t("Network Database Router Statistics")).append("</th></tr><tr><td style=\"vertical-align: top;\">");
        // versions table
        List<String> versionList = new ArrayList<String>(versions.objects());
        if (!versionList.isEmpty()) {
            Collections.sort(versionList, Collections.reverseOrder(new VersionComparator()));
            buf.append("<table id=\"netdbversions\">\n");
            buf.append("<tr><th>" + _t("Version") + "</th><th>" + _t("Count") + "</th></tr>\n");
            for (String routerVersion : versionList) {
                int num = versions.count(routerVersion);
                String ver = DataHelper.stripHTML(routerVersion);
                buf.append("<tr><td align=\"center\"><a href=\"/netdb?v=").append(ver).append("\">").append(ver);
                buf.append("</a></td><td align=\"center\">").append(num).append("</td></tr>\n");
            }
            buf.append("</table>\n");
        }
        buf.append("</td><td style=\"vertical-align: top;\">");
        out.write(buf.toString());
        buf.setLength(0);
        end = System.currentTimeMillis();
        if (log.shouldWarn())
            log.warn("part 2 took " + (end - start));
        start = end;
        // transports table
        buf.append("<table id=\"netdbtransports\">\n");
        buf.append("<tr><th align=\"left\">" + _t("Transports") + "</th><th>" + _t("Count") + "</th></tr>\n");
        for (int i = 0; i < TNAMES.length; i++) {
            int num = transportCount[i];
            if (num > 0) {
                buf.append("<tr><td>").append(_t(TNAMES[i]));
                buf.append("</td><td align=\"center\">").append(num).append("</td></tr>\n");
            }
        }
        buf.append("</table>\n");
        buf.append("</td><td style=\"vertical-align: top;\">");
        out.write(buf.toString());
        buf.setLength(0);
        end = System.currentTimeMillis();
        if (log.shouldWarn())
            log.warn("part 3 took " + (end - start));
        start = end;
        // country table
        List<String> countryList = new ArrayList<String>(countries.objects());
        if (!countryList.isEmpty()) {
            Collections.sort(countryList, new CountryComparator());
            buf.append("<table id=\"netdbcountrylist\">\n");
            buf.append("<tr><th align=\"left\">" + _t("Country") + "</th><th>" + _t("Count") + "</th></tr>\n");
            for (String country : countryList) {
                int num = countries.count(country);
                buf.append("<tr><td><a href=\"/netdb?c=").append(country).append("\">");
                buf.append("<img height=\"11\" width=\"16\" alt=\"").append(country.toUpperCase(Locale.US)).append("\"");
                buf.append(" src=\"/flags.jsp?c=").append(country).append("\">");
                buf.append(getTranslatedCountry(country));
                buf.append("</a></td><td align=\"center\">").append(num).append("</td></tr>\n");
            }
            buf.append("</table>\n");
        }
        buf.append("</td></tr></table>");
        end = System.currentTimeMillis();
        if (log.shouldWarn())
            log.warn("part 4 took " + (end - start));
        start = end;
    // 
    // don't bother to reindent
    // 
    }
    // if !showStats
    out.write(buf.toString());
    out.flush();
}

Example 85 with Log

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

the class BuildMessageTestStandalone method testBuildMessage.

public void testBuildMessage() {
    I2PAppContext ctx = I2PAppContext.getGlobalContext();
    Log log = ctx.logManager().getLog(getClass());
    List<Integer> order = pickOrder();
    TunnelCreatorConfig cfg = createConfig(ctx);
    _replyRouter = new Hash();
    byte[] h = new byte[Hash.HASH_LENGTH];
    Arrays.fill(h, (byte) 0xFF);
    _replyRouter.setData(h);
    _replyTunnel = 42;
    // populate and encrypt the message
    TunnelBuildMessage msg = new TunnelBuildMessage(ctx);
    for (int i = 0; i < order.size(); i++) {
        int hop = order.get(i).intValue();
        PublicKey key = null;
        if (hop < _pubKeys.length)
            key = _pubKeys[hop];
        BuildMessageGenerator.createRecord(i, hop, msg, cfg, _replyRouter, _replyTunnel, ctx, key);
    }
    BuildMessageGenerator.layeredEncrypt(ctx, msg, cfg, order);
    log.debug("\n================================================================" + "\nMessage fully encrypted" + "\n================================================================");
    // now msg is fully encrypted, so lets go through the hops, decrypting and replying
    // as necessary
    BuildMessageProcessor proc = new BuildMessageProcessor(ctx);
    for (int i = 0; i < cfg.getLength(); i++) {
        // this not only decrypts the current hop's record, but encrypts the other records
        // with the reply key
        BuildRequestRecord req = proc.decrypt(msg, _peers[i], _privKeys[i]);
        // If false, no records matched the _peers[i], or the decryption failed
        assertTrue("foo @ " + i, req != null);
        long ourId = req.readReceiveTunnelId();
        byte[] replyIV = req.readReplyIV();
        long nextId = req.readNextTunnelId();
        Hash nextPeer = req.readNextIdentity();
        boolean isInGW = req.readIsInboundGateway();
        boolean isOutEnd = req.readIsOutboundEndpoint();
        long time = req.readRequestTime();
        long now = (ctx.clock().now() / (60l * 60l * 1000l)) * (60 * 60 * 1000);
        int ourSlot = -1;
        EncryptedBuildRecord reply = BuildResponseRecord.create(ctx, 0, req.readReplyKey(), req.readReplyIV(), -1);
        for (int j = 0; j < TunnelBuildMessage.MAX_RECORD_COUNT; j++) {
            if (msg.getRecord(j) == null) {
                ourSlot = j;
                msg.setRecord(j, reply);
                break;
            }
        }
        log.debug("Read slot " + ourSlot + " containing hop " + i + " @ " + _peers[i].toBase64() + " receives on " + ourId + " w/ replyIV " + Base64.encode(replyIV) + " sending to " + nextId + " on " + nextPeer.toBase64() + " inGW? " + isInGW + " outEnd? " + isOutEnd + " time difference " + (now - time));
    }
    log.debug("\n================================================================" + "\nAll hops traversed and replies gathered" + "\n================================================================");
    // now all of the replies are populated, toss 'em into a reply message and handle it
    TunnelBuildReplyMessage reply = new TunnelBuildReplyMessage(ctx);
    for (int i = 0; i < TunnelBuildMessage.MAX_RECORD_COUNT; i++) reply.setRecord(i, msg.getRecord(i));
    int[] statuses = (new BuildReplyHandler(ctx)).decrypt(reply, cfg, order);
    if (statuses == null)
        throw new RuntimeException("bar");
    boolean allAgree = true;
    for (int i = 0; i < cfg.getLength(); i++) {
        Hash peer = cfg.getPeer(i);
        int record = order.get(i).intValue();
        if (statuses[record] != 0)
            allAgree = false;
    // else
    // penalize peer according to the rejection cause
    }
    log.debug("\n================================================================" + "\nAll peers agree? " + allAgree + "\n================================================================");
}