Examples with RouterContext net.i2p.router.RouterContext used on opensource projects

Example 1 with RouterContext

use of net.i2p.router.RouterContext in project i2p.i2p by i2p.

the class SummaryRenderer method render.

/**
 *  Single or two-data-source graph.
 *
 *  @param lsnr2 2nd data source to plot on same graph, or null. Not recommended for events.
 *  @param titleOverride If non-null, overrides the title
 *  @since 0.9.6 consolidated from StatSummarizer for bw.combined
 */
public void render(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount, int endp, boolean showCredit, SummaryListener lsnr2, String titleOverride) throws IOException {
    // prevent NaNs if we are skewed ahead of system time
    long end = Math.min(_listener.now(), System.currentTimeMillis()) - 75 * 1000;
    long period = _listener.getRate().getPeriod();
    if (endp > 0)
        end -= period * endp;
    if (periodCount <= 0 || periodCount > _listener.getRows())
        periodCount = _listener.getRows();
    long start = end - (period * periodCount);
    // long begin = System.currentTimeMillis();
    ImageOutputStream ios = null;
    try {
        RrdGraphDef def = new RrdGraphDef();
        // Override defaults
        def.setColor(RrdGraphDef.COLOR_BACK, BACK_COLOR);
        def.setColor(RrdGraphDef.COLOR_SHADEA, SHADEA_COLOR);
        def.setColor(RrdGraphDef.COLOR_SHADEB, SHADEB_COLOR);
        def.setColor(RrdGraphDef.COLOR_GRID, GRID_COLOR);
        def.setColor(RrdGraphDef.COLOR_MGRID, MGRID_COLOR);
        def.setColor(RrdGraphDef.COLOR_FONT, FONT_COLOR);
        def.setColor(RrdGraphDef.COLOR_FRAME, FRAME_COLOR);
        def.setFont(RrdGraphDef.FONTTAG_DEFAULT, new Font(DEFAULT_FONT_NAME, Font.PLAIN, 10));
        def.setFont(RrdGraphDef.FONTTAG_TITLE, new Font(DEFAULT_FONT_NAME, Font.PLAIN, 10));
        def.setFont(RrdGraphDef.FONTTAG_AXIS, new Font("Droid Sans Mono", Font.PLAIN, 10));
        def.setFont(RrdGraphDef.FONTTAG_UNIT, new Font(DEFAULT_FONT_NAME, Font.PLAIN, 10));
        def.setFont(RrdGraphDef.FONTTAG_LEGEND, new Font("Droid Sans Mono", Font.PLAIN, 10));
        // improve text legibility
        String lang = Messages.getLanguage(_context);
        Font small = def.getSmallFont();
        Font large = def.getLargeFont();
        if ("ar".equals(lang) || "jp".equals(lang) || ("zh".equals(lang) && !IS_WIN)) {
            small = small.deriveFont(small.getSize2D() + 2.0f);
            large = large.deriveFont(Font.PLAIN, large.getSize2D() + 3.0f);
        } else {
            // small = small.deriveFont(small.getSize2D() + 1.0f);
            // if specified font family is missing, jrobin will use fallback
            small = new Font("Droid Sans Mono", Font.PLAIN, 10);
            // large = large.deriveFont(large.getSize2D() + 1.0f);
            large = new Font("Droid Sans", Font.PLAIN, 13);
        }
        def.setSmallFont(small);
        def.setLargeFont(large);
        def.setTimeSpan(start / 1000, end / 1000);
        def.setMinValue(0d);
        String name = _listener.getRate().getRateStat().getName();
        // if ((name.startsWith("bw.") || name.indexOf("Size") >= 0 || name.indexOf("Bps") >= 0 || name.indexOf("memory") >= 0)
        if ((name.indexOf("Size") >= 0 || name.indexOf("memory") >= 0) && !showEvents)
            def.setBase(1024);
        if (titleOverride != null) {
            def.setTitle(titleOverride);
        } else if (!hideTitle) {
            String title;
            String p;
            // we want the formatting and translation of formatDuration2(), except not zh, and not the &nbsp;
            if (IS_WIN && "zh".equals(Messages.getLanguage(_context)))
                p = DataHelper.formatDuration(period);
            else
                p = DataHelper.formatDuration2(period).replace("&nbsp;", " ");
            if (showEvents)
                title = name + ' ' + _t("events in {0}", p);
            else
                title = name + ' ' + _t("averaged for {0}", p);
            def.setTitle(title);
        }
        String path = _listener.getData().getPath();
        String[] dsNames = _listener.getData().getDsNames();
        String plotName;
        String descr;
        if (showEvents) {
            // include the average event count on the plot
            plotName = dsNames[1];
            descr = _t("Events per period");
        } else {
            // include the average value
            plotName = dsNames[0];
            // The descriptions are not tagged in the createRateStat calls
            // (there are over 500 of them)
            // but the descriptions for the default graphs are tagged in
            // Strings.java
            descr = _t(_listener.getRate().getRateStat().getDescription());
        }
        // long started = ((RouterContext)_context).router().getWhenStarted();
        // if (started > start && started < end)
        // def.vrule(started / 1000, RESTART_BAR_COLOR, _t("Restart"), 4.0f);
        def.datasource(plotName, path, plotName, SummaryListener.CF, _listener.getBackendName());
        if (descr.length() > 0) {
            def.area(plotName, AREA_COLOR, descr + "\\l");
        } else {
            def.area(plotName, AREA_COLOR);
        }
        if (!hideLegend) {
            def.gprint(plotName, SummaryListener.CF, "   " + _t("Avg") + ": %.2f%s");
            def.gprint(plotName, "MAX", ' ' + _t("Max") + ": %.2f%S");
            def.gprint(plotName, "LAST", ' ' + _t("Now") + ": %.2f%S\\l");
        }
        String plotName2 = null;
        if (lsnr2 != null) {
            String[] dsNames2 = lsnr2.getData().getDsNames();
            plotName2 = dsNames2[0];
            String path2 = lsnr2.getData().getPath();
            String descr2 = _t(lsnr2.getRate().getRateStat().getDescription());
            def.datasource(plotName2, path2, plotName2, SummaryListener.CF, lsnr2.getBackendName());
            def.line(plotName2, LINE_COLOR, descr2 + "\\l", 2);
            if (!hideLegend) {
                def.gprint(plotName2, SummaryListener.CF, "   " + _t("Avg") + ": %.2f%s");
                def.gprint(plotName2, "MAX", ' ' + _t("Max") + ": %.2f%S");
                def.gprint(plotName2, "LAST", ' ' + _t("Now") + ": %.2f%S\\l");
            }
        }
        if (!hideLegend) {
            // '07 Jul 21:09' with month name in the system locale
            // TODO: Fix Arabic time display
            SimpleDateFormat sdf = new SimpleDateFormat("dd MMM HH:mm");
            Map<Long, String> events = ((RouterContext) _context).router().eventLog().getEvents(EventLog.STARTED, start);
            for (Map.Entry<Long, String> event : events.entrySet()) {
                long started = event.getKey().longValue();
                if (started > start && started < end) {
                    // String legend = _t("Restart") + ' ' + sdf.format(new Date(started)) + " UTC " + event.getValue() + "\\l";
                    if ("ar".equals(lang)) {
                        String legend = _t("Restart") + ' ' + sdf.format(new Date(started)) + " - " + event.getValue() + "\\l";
                        def.vrule(started / 1000, RESTART_BAR_COLOR, legend, 2.0f);
                    } else {
                        String legend = _t("Restart") + ' ' + sdf.format(new Date(started)) + " [" + event.getValue() + "]\\l";
                        def.vrule(started / 1000, RESTART_BAR_COLOR, legend, 2.0f);
                    }
                }
            }
            def.comment(sdf.format(new Date(start)) + " — " + sdf.format(new Date(end)) + " UTC\\r");
        }
        if (!showCredit)
            def.setShowSignature(false);
        /*
            // these four lines set up a graph plotting both values and events on the same chart
            // (but with the same coordinates, so the values may look pretty skewed)
                def.datasource(dsNames[0], path, dsNames[0], "AVERAGE", "MEMORY");
                def.datasource(dsNames[1], path, dsNames[1], "AVERAGE", "MEMORY");
                def.area(dsNames[0], AREA_COLOR, _listener.getRate().getRateStat().getDescription());
                def.line(dsNames[1], LINE_COLOR, "Events per period");
            */
        if (hideLegend)
            def.setNoLegend(true);
        if (hideGrid) {
            def.setDrawXGrid(false);
            def.setDrawYGrid(false);
        }
        // System.out.println("rendering: path=" + path + " dsNames[0]=" + dsNames[0] + " dsNames[1]=" + dsNames[1] + " lsnr.getName=" + _listener.getName());
        def.setAntiAliasing(false);
        // System.out.println("Rendering: \n" + def.exportXmlTemplate());
        // System.out.println("*****************\nData: \n" + _listener.getData().dump());
        def.setWidth(width);
        def.setHeight(height);
        def.setImageFormat("PNG");
        def.setLazy(true);
        RrdGraph graph;
        try {
            // NPE here if system is missing fonts - see ticket #915
            graph = new RrdGraph(def);
        } catch (NullPointerException npe) {
            _log.error("Error rendering", npe);
            StatSummarizer.setDisabled();
            throw new IOException("Error rendering - disabling graph generation. Missing font? See http://trac.i2p2.i2p/ticket/915");
        }
        int totalWidth = graph.getRrdGraphInfo().getWidth();
        int totalHeight = graph.getRrdGraphInfo().getHeight();
        BufferedImage img = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_USHORT_565_RGB);
        Graphics gfx = img.getGraphics();
        graph.render(gfx);
        ios = new MemoryCacheImageOutputStream(out);
        ImageIO.write(img, "png", ios);
    // System.out.println("Graph created");
    // File t = File.createTempFile("jrobinData", ".xml");
    // _listener.getData().dumpXml(new FileOutputStream(t));
    // System.out.println("plotted: " + (data != null ? data.length : 0) + " bytes in " + timeToPlot
    // ); // + ", data written to " + t.getAbsolutePath());
    } catch (RrdException re) {
        _log.error("Error rendering", re);
        throw new IOException("Error plotting: " + re.getMessage());
    } catch (IOException ioe) {
        // typically org.mortbay.jetty.EofException extends java.io.EOFException
        if (_log.shouldLog(Log.WARN))
            _log.warn("Error rendering", ioe);
        throw ioe;
    } catch (OutOfMemoryError oom) {
        _log.error("Error rendering", oom);
        throw new IOException("Error plotting: " + oom.getMessage());
    } finally {
        // this does not close the underlying stream
        if (ios != null)
            try {
                ios.close();
            } catch (IOException ioe) {
            }
    }
}

Example 2 with RouterContext

use of net.i2p.router.RouterContext in project i2p.i2p by i2p.

the class ConfigRestartBean method renderStatus.

/**
 * this also initiates the restart/shutdown based on action
 */
public static String renderStatus(String urlBase, String action, String nonce) {
    RouterContext ctx = ContextHelper.getContext(null);
    String systemNonce = getNonce();
    if ((nonce != null) && (systemNonce.equals(nonce)) && (action != null)) {
        // Normal browsers send value, IE sends button label
        if ("shutdownImmediate".equals(action) || _t("Shutdown immediately", ctx).equals(action)) {
            if (ctx.hasWrapper())
                ConfigServiceHandler.registerWrapperNotifier(ctx, Router.EXIT_HARD, false);
            // ctx.router().shutdown(Router.EXIT_HARD); // never returns
            // give the UI time to respond
            ctx.router().shutdownGracefully(Router.EXIT_HARD);
        } else if ("cancelShutdown".equals(action) || _t("Cancel shutdown", ctx).equals(action) || _t("Cancel restart", ctx).equals(action)) {
            ctx.router().cancelGracefulShutdown();
        } else if ("restartImmediate".equals(action) || _t("Restart immediately", ctx).equals(action)) {
            if (ctx.hasWrapper())
                ConfigServiceHandler.registerWrapperNotifier(ctx, Router.EXIT_HARD_RESTART, false);
            // ctx.router().shutdown(Router.EXIT_HARD_RESTART); // never returns
            // give the UI time to respond
            ctx.router().shutdownGracefully(Router.EXIT_HARD_RESTART);
        } else if ("restart".equals(action) || _t("Restart", ctx).equals(action)) {
            if (ctx.hasWrapper())
                ConfigServiceHandler.registerWrapperNotifier(ctx, Router.EXIT_GRACEFUL_RESTART, false);
            ctx.router().shutdownGracefully(Router.EXIT_GRACEFUL_RESTART);
        } else if ("shutdown".equals(action) || _t("Shutdown", ctx).equals(action)) {
            if (ctx.hasWrapper())
                ConfigServiceHandler.registerWrapperNotifier(ctx, Router.EXIT_GRACEFUL, false);
            ctx.router().shutdownGracefully();
        }
    }
    boolean shuttingDown = isShuttingDown(ctx);
    boolean restarting = isRestarting(ctx);
    long timeRemaining = ctx.router().getShutdownTimeRemaining();
    StringBuilder buf = new StringBuilder(128);
    if ((shuttingDown || restarting) && timeRemaining <= 5 * 1000) {
        buf.append("<h4>");
        if (restarting)
            buf.append(_t("Restart imminent", ctx));
        else
            buf.append(_t("Shutdown imminent", ctx));
        buf.append("</h4>");
    } else if (shuttingDown) {
        buf.append("<h4>");
        buf.append(_t("Shutdown in {0}", DataHelper.formatDuration2(timeRemaining), ctx));
        int tuns = ctx.tunnelManager().getParticipatingCount();
        if (tuns > 0) {
            buf.append("<br>").append(ngettext("Please wait for routing commitment to expire for {0} tunnel", "Please wait for routing commitments to expire for {0} tunnels", tuns, ctx));
        }
        buf.append("</h4><hr>");
        buttons(ctx, buf, urlBase, systemNonce, SET1);
    } else if (restarting) {
        buf.append("<h4>");
        buf.append(_t("Restart in {0}", DataHelper.formatDuration2(timeRemaining), ctx));
        int tuns = ctx.tunnelManager().getParticipatingCount();
        if (tuns > 0) {
            buf.append("<br>").append(ngettext("Please wait for routing commitment to expire for {0} tunnel", "Please wait for routing commitments to expire for {0} tunnels", tuns, ctx));
        }
        buf.append("</h4><hr>");
        buttons(ctx, buf, urlBase, systemNonce, SET2);
    } else {
        if (ctx.hasWrapper())
            buttons(ctx, buf, urlBase, systemNonce, SET3);
        else
            buttons(ctx, buf, urlBase, systemNonce, SET4);
    }
    return buf.toString();
}

Example 3 with RouterContext

use of net.i2p.router.RouterContext in project i2p.i2p by i2p.

the class LocalClientManager method main.

public static void main(String[] args) {
    int dropX1000 = 0, jitter = 0, latency = 0;
    boolean error = false;
    Getopt g = new Getopt("router", args, "d:j:l:");
    try {
        int c;
        while ((c = g.getopt()) != -1) {
            switch(c) {
                case 'd':
                    dropX1000 = (int) (1000 * Double.parseDouble(g.getOptarg()));
                    if (dropX1000 < 0 || dropX1000 >= 100 * 1000)
                        error = true;
                    break;
                case 'j':
                    jitter = Integer.parseInt(g.getOptarg());
                    if (jitter < 0)
                        error = true;
                    break;
                case 'l':
                    latency = Integer.parseInt(g.getOptarg());
                    if (latency < 0)
                        error = true;
                    break;
                default:
                    error = true;
            }
        }
    } catch (RuntimeException e) {
        e.printStackTrace();
        error = true;
    }
    if (error || args.length - g.getOptind() > 0) {
        usage();
        System.exit(1);
    }
    RouterContext ctx = new RouterContext(null);
    int port = ClientManagerFacadeImpl.DEFAULT_PORT;
    LocalClientManager mgr = new LocalClientManager(ctx, port);
    mgr.dropX1000 = dropX1000;
    mgr.jitter = jitter;
    mgr.latency = latency;
    mgr.start();
    System.out.println("Listening on port " + port);
    try {
        Thread.sleep(60 * 60 * 1000);
    } catch (InterruptedException ie) {
    }
    System.out.println("Done listening on port " + port);
}

Example 4 with RouterContext

use of net.i2p.router.RouterContext in project i2p.i2p by i2p.

the class InstallUpdate method installUpdates.

/**
 * Context must be available.
 * Unzip update file found in the router dir OR base dir, to the base dir
 *
 * If successful, will call exit() and never return.
 *
 * If we can't write to the base dir, write message to System.out and return.
 * Note: _log not available here.
 */
public static void installUpdates(Router r) {
    RouterContext context = r.getContext();
    File updateFile = new File(context.getRouterDir(), Router.UPDATE_FILE);
    boolean exists = updateFile.exists();
    if (!exists) {
        updateFile = new File(context.getBaseDir(), Router.UPDATE_FILE);
        exists = updateFile.exists();
    }
    if (exists) {
        // do a simple permissions test, if it fails leave the file in place and don't restart
        File test = new File(context.getBaseDir(), "history.txt");
        if ((test.exists() && !test.canWrite()) || (!context.getBaseDir().canWrite())) {
            System.out.println("ERROR: No write permissions on " + context.getBaseDir() + " to extract software update file");
            // carry on
            return;
        }
        System.out.println("INFO: Update file exists [" + Router.UPDATE_FILE + "] - installing");
        // verify the whole thing first
        // we could remember this fails, and not bother restarting, but who cares...
        boolean ok = FileUtil.verifyZip(updateFile);
        if (ok) {
            // This may be useful someday. First added in 0.8.2
            // Moved above the extract so we don't NCDFE
            Map<String, String> config = new HashMap<String, String>(4);
            config.put("router.updateLastInstalled", "" + System.currentTimeMillis());
            // Set the last version to the current version, since 0.8.13
            config.put("router.previousVersion", RouterVersion.VERSION);
            config.put("router.previousFullVersion", RouterVersion.FULL_VERSION);
            r.saveConfig(config, null);
            ok = FileUtil.extractZip(updateFile, context.getBaseDir());
        }
        // Ideally, do not use I2P classes at all, new or not.
        try {
            if (ok) {
                // We do this here so we may delete old jars before we restart
                deleteListedFiles(context);
                System.out.println("INFO: Update installed");
            } else {
                System.out.println("ERROR: Update failed!");
            }
            if (!ok) {
                // we can't leave the file in place or we'll continually restart, so rename it
                File bad = new File(context.getRouterDir(), "BAD-" + Router.UPDATE_FILE);
                boolean renamed = updateFile.renameTo(bad);
                if (renamed) {
                    System.out.println("Moved update file to " + bad.getAbsolutePath());
                } else {
                    System.out.println("Deleting file " + updateFile.getAbsolutePath());
                    // so it will be deleted
                    ok = true;
                }
            }
            if (ok) {
                boolean deleted = updateFile.delete();
                if (!deleted) {
                    System.out.println("ERROR: Unable to delete the update file!");
                    updateFile.deleteOnExit();
                }
            }
            // exit whether ok or not
            if (context.hasWrapper())
                System.out.println("INFO: Restarting after update");
            else
                System.out.println("WARNING: Exiting after update, restart I2P");
        } catch (Throwable t) {
        // hide the NCDFE
        // hopefully the update file got deleted or we will loop
        }
        System.exit(Router.EXIT_HARD_RESTART);
    } else {
        deleteJbigiFiles(context);
        // It was here starting in 0.8.12 so it could be used the very first time
        // Now moved up so it is usually run only after an update
        // But the first time before jetty 6 it will run here...
        // Here we can't remove jars
        deleteListedFiles(context);
    }
}

Example 5 with RouterContext

use of net.i2p.router.RouterContext in project i2p.i2p by i2p.

the class ProfileOrganizer method main.

/**
 * Read in all of the profiles specified and print out
 * their calculated values.  Usage: <pre>
 *  ProfileOrganizer [filename]*
 * </pre>
 */
public static void main(String[] args) {
    // new net.i2p.router.Router());
    RouterContext ctx = new RouterContext(null);
    ProfileOrganizer organizer = new ProfileOrganizer(ctx);
    organizer.setUs(Hash.FAKE_HASH);
    ProfilePersistenceHelper helper = new ProfilePersistenceHelper(ctx);
    for (int i = 0; i < args.length; i++) {
        PeerProfile profile = helper.readProfile(new java.io.File(args[i]));
        if (profile == null) {
            System.err.println("Could not load profile " + args[i]);
            continue;
        }
        organizer.addProfile(profile);
    }
    organizer.reorganize();
    DecimalFormat fmt = new DecimalFormat("0,000.0");
    fmt.setPositivePrefix("+");
    for (Hash peer : organizer.selectAllPeers()) {
        PeerProfile profile = organizer.getProfile(peer);
        if (!profile.getIsActive()) {
            System.out.println("Peer " + profile.getPeer().toBase64().substring(0, 4) + " [" + (organizer.isFast(peer) ? "IF+R" : organizer.isHighCapacity(peer) ? "IR  " : organizer.isFailing(peer) ? "IX  " : "I   ") + "]: " + "\t Speed:\t" + fmt.format(profile.getSpeedValue()) + " Capacity:\t" + fmt.format(profile.getCapacityValue()) + " Integration:\t" + fmt.format(profile.getIntegrationValue()) + " Active?\t" + profile.getIsActive() + " Failing?\t" + profile.getIsFailing());
        } else {
            System.out.println("Peer " + profile.getPeer().toBase64().substring(0, 4) + " [" + (organizer.isFast(peer) ? "F+R " : organizer.isHighCapacity(peer) ? "R   " : organizer.isFailing(peer) ? "X   " : "    ") + "]: " + "\t Speed:\t" + fmt.format(profile.getSpeedValue()) + " Capacity:\t" + fmt.format(profile.getCapacityValue()) + " Integration:\t" + fmt.format(profile.getIntegrationValue()) + " Active?\t" + profile.getIsActive() + " Failing?\t" + profile.getIsFailing());
        }
    }
    System.out.println("Thresholds:");
    System.out.println("Speed:       " + num(organizer.getSpeedThreshold()) + " (" + organizer.countFastPeers() + " fast peers)");
    System.out.println("Capacity:    " + num(organizer.getCapacityThreshold()) + " (" + organizer.countHighCapacityPeers() + " reliable peers)");
}