Examples with EventLog net.i2p.router.util.EventLog used on opensource projects

Example 1 with EventLog

use of net.i2p.router.util.EventLog in project i2p.i2p by i2p.

the class EventLogHelper method getEvents.

public String getEvents() {
    EventLog ev = _context.router().eventLog();
    // oldest first
    Map<Long, String> events;
    boolean isAll = ALL.equals(_event);
    if (isAll)
        events = ev.getEvents(_from);
    else
        events = ev.getEvents(_event, _from);
    String xev = _xevents.get(_event);
    if (xev == null)
        xev = _event;
    xev = DataHelper.escapeHTML(xev);
    if (events.isEmpty()) {
        if (isAll) {
            if (_age == 0)
                return ("<table id=\"eventlog\"><tr><td class=\"infohelp\">") + _t("No events found") + ("</td></tr></table>");
            ;
            return ("<table id=\"eventlog\"><tr><td>") + _t("No events found in previous {0}", DataHelper.formatDuration2(_age)) + ("</td></tr></table>");
        }
        if (_age == 0)
            return ("<table id=\"eventlog\"><tr><td  class=\"infohelp\">") + _t("No \"{0}\" events found", xev) + ("</td></tr></table>");
        return ("<table id=\"eventlog\"><tr><td class=\"infohelp\">") + _t("No \"{0}\" events found in previous {1}", xev, DataHelper.formatDuration2(_age)) + ("</td></tr></table>");
    }
    StringBuilder buf = new StringBuilder(2048);
    buf.append("<table id=\"eventlog\"><tr><th>");
    buf.append(_t("Time"));
    buf.append("</th><th>");
    if (isAll) {
        buf.append(_t("Event"));
        buf.append("</th><th>");
        buf.append(_t("Details"));
    } else {
        buf.append(xev);
    }
    buf.append("</th></tr>");
    SimpleDateFormat fmt = (SimpleDateFormat) DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM);
    // the router sets the JVM time zone to UTC but saves the original here so we can get it
    fmt.setTimeZone(SystemVersion.getSystemTimeZone(_context));
    List<Map.Entry<Long, String>> entries = new ArrayList<Map.Entry<Long, String>>(events.entrySet());
    Collections.reverse(entries);
    for (Map.Entry<Long, String> e : entries) {
        long time = e.getKey().longValue();
        String event = e.getValue();
        buf.append("<tr><td>");
        buf.append(fmt.format(new Date(time)));
        buf.append("</td><td>");
        if (isAll) {
            String[] s = DataHelper.split(event, " ", 2);
            String xs = _xevents.get(s[0]);
            if (xs == null)
                xs = s[0];
            buf.append(xs);
            buf.append("</td><td>");
            if (s.length > 1)
                buf.append(s[1]);
        } else {
            buf.append(event);
        }
        buf.append("</td></tr>");
    }
    buf.append("</table>");
    return buf.toString();
}

Example 2 with EventLog

use of net.i2p.router.util.EventLog in project i2p.i2p by i2p.

the class ShutdownHook method run.

@Override
public void run() {
    setName("Router " + _id + " shutdown");
    Log l = _context.logManager().getLog(Router.class);
    l.log(Log.CRIT, "Shutting down the router...");
    // Needed to make the wrapper happy, otherwise it gets confused
    // and thinks we haven't shut down, possibly because it
    // prevents other shutdown hooks from running
    _context.router().eventLog().addEvent(EventLog.CRASHED, RouterVersion.FULL_VERSION);
    _context.router().setKillVMOnEnd(false);
    _context.router().shutdown2(Router.EXIT_HARD);
}

Example 3 with EventLog

use of net.i2p.router.util.EventLog 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 4 with EventLog

use of net.i2p.router.util.EventLog 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());
}