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2006-03-18 jrandom

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* Made the netDb search load limitations a little less stringent
    * Add support for specifying the number of periods to be plotted on the
      graphs - e.g. to plot only the last hour of a stat that is averaged at
      the 60 second period, add &periodCount=60
This commit is contained in:
jrandom
2006-03-18 23:09:35 +00:00
committed by zzz
parent b03ff21d3b
commit f3849a22ad
7 changed files with 84 additions and 21 deletions
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10
apps/routerconsole/java/src/net/i2p/router/web/StatSummarizer.java
View File

@ -87,18 +87,22 @@ public class StatSummarizer implements Runnable {
//System.out.println("Start listening for " + r.getRateStat().getName() + ": " + r.getPeriod());
}
public boolean renderPng(Rate rate, OutputStream out) throws IOException {
return renderPng(rate, out, -1, -1, false, false, false, false);
return renderPng(rate, out, -1, -1, false, false, false, false, -1);
}
public boolean renderPng(Rate rate, OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents) throws IOException {
public boolean renderPng(Rate rate, OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount) throws IOException {
for (int i = 0; i < _listeners.size(); i++) {
SummaryListener lsnr = (SummaryListener)_listeners.get(i);
if (lsnr.getRate().equals(rate)) {
lsnr.renderPng(out, width, height, hideLegend, hideGrid, hideTitle, showEvents);
lsnr.renderPng(out, width, height, hideLegend, hideGrid, hideTitle, showEvents, periodCount);
return true;
}
}
return false;
}
public boolean renderPng(OutputStream out, String templateFilename) throws IOException {
SummaryRenderer.render(_context, out, templateFilename);
return true;
}
public boolean getXML(Rate rate, OutputStream out) throws IOException {
for (int i = 0; i < _listeners.size(); i++) {
SummaryListener lsnr = (SummaryListener)_listeners.get(i);

62
apps/routerconsole/java/src/net/i2p/router/web/SummaryListener.java
View File

@ -18,6 +18,7 @@ import org.jrobin.core.Sample;
import java.awt.Color;
import org.jrobin.graph.RrdGraph;
import org.jrobin.graph.RrdGraphDef;
import org.jrobin.graph.RrdGraphDefTemplate;
import org.jrobin.core.RrdException;
class SummaryListener implements RateSummaryListener {
@ -116,8 +117,8 @@ class SummaryListener implements RateSummaryListener {
_factory.delete(_db.getPath());
_db = null;
}
public void renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents) throws IOException {
_renderer.render(out, width, height, hideLegend, hideGrid, hideTitle, showEvents);
public void renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount) throws IOException {
_renderer.render(out, width, height, hideLegend, hideGrid, hideTitle, showEvents, periodCount);
}
public void renderPng(OutputStream out) throws IOException { _renderer.render(out); }
@ -140,10 +141,39 @@ class SummaryRenderer {
_listener = lsnr;
}
public void render(OutputStream out) throws IOException { render(out, -1, -1, false, false, false, false); }
public void render(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents) throws IOException {
/**
* Render the stats as determined by the specified JRobin xml config,
* but note that this doesn't work on stock jvms, as it requires
* DOM level 3 load and store support. Perhaps we can bundle that, or
* specify who can get it from where, etc.
*
*/
public static void render(I2PAppContext ctx, OutputStream out, String filename) throws IOException {
long end = ctx.clock().now();
long start = end - 60*1000*SummaryListener.PERIODS;
long begin = System.currentTimeMillis();
try {
RrdGraphDefTemplate template = new RrdGraphDefTemplate(filename);
RrdGraphDef def = template.getRrdGraphDef();
def.setTimePeriod(start/1000, end/1000); // ignore the periods in the template
RrdGraph graph = new RrdGraph(def);
byte img[] = graph.getPNGBytes();
out.write(img);
} catch (RrdException re) {
//_log.error("Error rendering " + filename, re);
throw new IOException("Error plotting: " + re.getMessage());
} catch (IOException ioe) {
//_log.error("Error rendering " + filename, ioe);
throw ioe;
}
}
public void render(OutputStream out) throws IOException { render(out, -1, -1, false, false, false, false, -1); }
public void render(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount) throws IOException {
long end = _listener.now();
long start = end - _listener.getRate().getPeriod()*SummaryListener.PERIODS;
if (periodCount <= 0) periodCount = SummaryListener.PERIODS;
if (periodCount > SummaryListener.PERIODS)
periodCount = SummaryListener.PERIODS;
long start = end - _listener.getRate().getPeriod()*periodCount;
long begin = System.currentTimeMillis();
try {
RrdGraphDef def = new RrdGraphDef();
@ -166,17 +196,31 @@ class SummaryRenderer {
descr = _listener.getRate().getRateStat().getDescription();
}
def.datasource(plotName, path, plotName, "AVERAGE", "MEMORY");
def.area(plotName, Color.BLUE, descr);
def.area(plotName, Color.BLUE, descr + "@r");
if (!hideLegend) {
def.gprint(plotName, "AVERAGE", "average: @2@s");
def.gprint(plotName, "MAX", " max: @2@s@r");
}
/*
// 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], Color.BLUE, _listener.getRate().getRateStat().getDescription());
def.line(dsNames[1], Color.RED, "Events per period");
*/
if (hideLegend)
def.setShowLegend(false);
if (hideGrid) {
def.setGridX(false);
def.setGridY(false);
}
System.out.println("rendering: path=" + path + " dsNames[0]=" + dsNames[0] + " dsNames[1]=" + dsNames[1] + " lsnr.getName=" + _listener.getName());
//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());
RrdGraph graph = new RrdGraph(def);
//System.out.println("Graph created");em.
System.out.println("Graph created");
byte data[] = null;
if ( (width <= 0) || (height <= 0) )
data = graph.getPNGBytes();
@ -196,4 +240,4 @@ class SummaryRenderer {
throw ioe;
}
}
}
}