mirror of
https://github.com/i2p/i2p.i2p.git
synced 2026-06-02 06:44:15 +00:00
zzz
0bde8a24e4
- Restrict peers requiring introducers from inbound tunnels,
since it's slow and unreliable... and many of them advertise
NTCP, which seems unlikely to work
- Provide warning on summary bar if firewalled with inbound NTCP enabled
* Stats: Remove the bw.[send,recv]Bps[1,15]s stats unless
log level net.i2p.router.transport.FIFOBandwidthLimiter >= WARN
at startup (you didn't get any data unless you set the log level anyway)
* oldstats.jsp: Don't put 2 decimal places on integer event counts
* Remove the Internals link from the menu bar
* i2psnark: Extend startup delay from 1 to 3 minutes
221 lines
9.5 KiB
Java
221 lines
9.5 KiB
Java
package net.i2p.router.admin;
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import java.io.IOException;
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import java.io.Writer;
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import java.text.DecimalFormat;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import net.i2p.data.DataHelper;
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import net.i2p.router.RouterContext;
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import net.i2p.stat.Frequency;
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import net.i2p.stat.FrequencyStat;
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import net.i2p.stat.Rate;
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import net.i2p.stat.RateStat;
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import net.i2p.util.Log;
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/**
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* Dump the stats to the web admin interface
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*/
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public class StatsGenerator {
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private Log _log;
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private RouterContext _context;
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public StatsGenerator(RouterContext context) {
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_context = context;
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_log = context.logManager().getLog(StatsGenerator.class);
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}
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public void generateStatsPage(Writer out) throws IOException {
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StringBuffer buf = new StringBuffer(16*1024);
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buf.append("<h1>Router statistics</h1><hr />");
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buf.append("<form action=\"/oldstats.jsp\">");
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buf.append("<select name=\"go\" onChange='location.href=this.value'>");
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out.write(buf.toString());
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buf.setLength(0);
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Map groups = _context.statManager().getStatsByGroup();
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for (Iterator iter = groups.keySet().iterator(); iter.hasNext(); ) {
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String group = (String)iter.next();
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Set stats = (Set)groups.get(group);
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buf.append("<option value=\"/oldstats.jsp#").append(group).append("\">");
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buf.append(group).append("</option>\n");
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for (Iterator statIter = stats.iterator(); statIter.hasNext(); ) {
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String stat = (String)statIter.next();
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buf.append("<option value=\"/oldstats.jsp#");
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buf.append(stat);
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buf.append("\">...");
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buf.append(stat);
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buf.append("</option>\n");
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}
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out.write(buf.toString());
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buf.setLength(0);
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}
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buf.append("</select> <input type=\"submit\" value=\"GO\" />");
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buf.append("</form>");
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buf.append("Statistics gathered during this router's uptime (");
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long uptime = _context.router().getUptime();
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buf.append(DataHelper.formatDuration(uptime));
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buf.append("). The data gathered is quantized over a 1 minute period, so should just be used as an estimate<p />");
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out.write(buf.toString());
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buf.setLength(0);
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for (Iterator iter = groups.keySet().iterator(); iter.hasNext(); ) {
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String group = (String)iter.next();
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Set stats = (Set)groups.get(group);
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buf.append("<h2><a name=\"");
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buf.append(group);
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buf.append("\">");
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buf.append(group);
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buf.append("</a></h2>");
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buf.append("<ul>");
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out.write(buf.toString());
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buf.setLength(0);
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for (Iterator statIter = stats.iterator(); statIter.hasNext(); ) {
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String stat = (String)statIter.next();
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buf.append("<li><b><a name=\"");
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buf.append(stat);
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buf.append("\">");
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buf.append(stat);
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buf.append("</a></b><br />");
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if (_context.statManager().isFrequency(stat))
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renderFrequency(stat, buf);
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else
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renderRate(stat, buf);
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out.write(buf.toString());
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buf.setLength(0);
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}
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out.write("</ul><hr />");
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}
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out.flush();
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}
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private void renderFrequency(String name, StringBuffer buf) {
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FrequencyStat freq = _context.statManager().getFrequency(name);
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buf.append("<i>");
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buf.append(freq.getDescription());
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buf.append("</i><br />");
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long periods[] = freq.getPeriods();
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Arrays.sort(periods);
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for (int i = 0; i < periods.length; i++) {
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renderPeriod(buf, periods[i], "frequency");
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Frequency curFreq = freq.getFrequency(periods[i]);
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buf.append(" <i>avg per period:</i> (");
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buf.append(num(curFreq.getAverageEventsPerPeriod()));
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buf.append(", max ");
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buf.append(num(curFreq.getMaxAverageEventsPerPeriod()));
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if ( (curFreq.getMaxAverageEventsPerPeriod() > 0) && (curFreq.getAverageEventsPerPeriod() > 0) ) {
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buf.append(", current is ");
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buf.append(pct(curFreq.getAverageEventsPerPeriod()/curFreq.getMaxAverageEventsPerPeriod()));
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buf.append(" of max");
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}
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buf.append(")");
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//buf.append(" <i>avg interval between updates:</i> (").append(num(curFreq.getAverageInterval())).append("ms, min ");
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//buf.append(num(curFreq.getMinAverageInterval())).append("ms)");
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buf.append(" <i>strict average per period:</i> ");
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buf.append(num(curFreq.getStrictAverageEventsPerPeriod()));
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buf.append(" events (averaged ");
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buf.append(" using the lifetime of ");
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buf.append(curFreq.getEventCount());
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buf.append(" events)");
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buf.append("<br />");
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}
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buf.append("<br />");
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}
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private void renderRate(String name, StringBuffer buf) {
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RateStat rate = _context.statManager().getRate(name);
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buf.append("<i>");
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buf.append(rate.getDescription());
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buf.append("</i><br />");
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long periods[] = rate.getPeriods();
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Arrays.sort(periods);
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buf.append("<ul>");
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for (int i = 0; i < periods.length; i++) {
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buf.append("<li>");
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renderPeriod(buf, periods[i], "rate");
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Rate curRate = rate.getRate(periods[i]);
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buf.append( "<i>avg value:</i> (");
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buf.append(num(curRate.getAverageValue()));
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buf.append(" peak ");
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buf.append(num(curRate.getExtremeAverageValue()));
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buf.append(", [");
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buf.append(pct(curRate.getPercentageOfExtremeValue()));
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buf.append(" of max");
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buf.append(", and ");
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buf.append(pct(curRate.getPercentageOfLifetimeValue()));
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buf.append(" of lifetime average]");
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buf.append(")");
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buf.append(" <i>highest total period value:</i> (");
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buf.append(num(curRate.getExtremeTotalValue()));
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buf.append(")");
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if (curRate.getLifetimeTotalEventTime() > 0) {
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buf.append(" <i>saturation:</i> (");
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buf.append(pct(curRate.getLastEventSaturation()));
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buf.append(")");
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buf.append(" <i>saturated limit:</i> (");
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buf.append(num(curRate.getLastSaturationLimit()));
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buf.append(")");
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buf.append(" <i>peak saturation:</i> (");
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buf.append(pct(curRate.getExtremeEventSaturation()));
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buf.append(")");
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buf.append(" <i>peak saturated limit:</i> (");
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buf.append(num(curRate.getExtremeSaturationLimit()));
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buf.append(")");
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}
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buf.append(" <i>events per period:</i> ");
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buf.append(curRate.getLastEventCount());
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long numPeriods = curRate.getLifetimePeriods();
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if (numPeriods > 0) {
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double avgFrequency = curRate.getLifetimeEventCount() / (double)numPeriods;
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double peakFrequency = curRate.getExtremeEventCount();
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buf.append(" (lifetime average: ");
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buf.append(num(avgFrequency));
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buf.append(", peak average: ");
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buf.append(curRate.getExtremeEventCount());
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buf.append(")");
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}
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if (curRate.getSummaryListener() != null) {
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buf.append(" <a href=\"viewstat.jsp?stat=").append(name);
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buf.append("&period=").append(periods[i]);
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buf.append("\" title=\"Render summarized data\">render</a>");
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buf.append(" <a href=\"viewstat.jsp?stat=").append(name);
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buf.append("&period=").append(periods[i]).append("&showEvents=true\" title=\"Render summarized event counts\">events</a>");
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buf.append(" (as <a href=\"viewstat.jsp?stat=").append(name);
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buf.append("&period=").append(periods[i]);
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buf.append("&format=xml\" title=\"Dump stat history as XML\">XML</a>");
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buf.append(" in a format <a href=\"http://people.ee.ethz.ch/~oetiker/webtools/rrdtool\">RRDTool</a> understands)");
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}
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buf.append("</li>");
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if (i + 1 == periods.length) {
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// last one, so lets display the strict average
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buf.append("<li><b>lifetime average value:</b> ");
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buf.append(num(curRate.getLifetimeAverageValue()));
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buf.append(" over ");
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buf.append(curRate.getLifetimeEventCount());
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buf.append(" events<br /></li>");
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}
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}
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buf.append("</ul>");
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buf.append("<br />");
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}
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private static void renderPeriod(StringBuffer buf, long period, String name) {
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buf.append("<b>");
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buf.append(DataHelper.formatDuration(period));
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buf.append(" ");
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buf.append(name);
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buf.append(":</b> ");
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}
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private final static DecimalFormat _fmt = new DecimalFormat("###,##0.00");
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private final static String num(double num) { synchronized (_fmt) { return _fmt.format(num); } }
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private final static DecimalFormat _pct = new DecimalFormat("#0.00%");
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private final static String pct(double num) { synchronized (_pct) { return _pct.format(num); } }
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}
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