2006-03-18 jrandom

* Added a new graphs.jsp page to show all of the stats being harvested

apps/routerconsole/java/src/net/i2p/router/web/GraphHelper.java

@@ -0,0 +1,104 @@
+package net.i2p.router.web;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.*;
+
+import net.i2p.data.DataHelper;
+import net.i2p.stat.Rate;
+import net.i2p.router.RouterContext;
+
+public class GraphHelper {
+    private RouterContext _context;
+    private Writer _out;
+    private int _periodCount;
+    private boolean _showEvents;
+    private int _width;
+    private int _height;
+    private int _refreshDelaySeconds;
+    /**
+     * Configure this bean to query a particular router context
+     *
+     * @param contextId begging few characters of the routerHash, or null to pick
+     *                  the first one we come across.
+     */
+    public void setContextId(String contextId) {
+        try {
+            _context = ContextHelper.getContext(contextId);
+        } catch (Throwable t) {
+            t.printStackTrace();
+        }
+    }
+    
+    public GraphHelper() {
+        _periodCount = SummaryListener.PERIODS;
+        _showEvents = false;
+        _width = -1;
+        _height = -1;
+        _refreshDelaySeconds = 60;
+    }
+    
+    public void setOut(Writer out) { _out = out; }
+    public void setPeriodCount(String str) { 
+        try { _periodCount = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
+    }
+    public void setShowEvents(boolean b) { _showEvents = b; }
+    public void setHeight(String str) {
+        try { _height = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
+    }
+    public void setWidth(String str) {
+        try { _width = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
+    }
+    public void setRefreshDelay(String str) {
+        try { _refreshDelaySeconds = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
+    }
+    
+    public String getImages() { 
+        try {
+            List listeners = StatSummarizer.instance().getListeners();
+            for (int i = 0; i < listeners.size(); i++) {
+                SummaryListener lsnr = (SummaryListener)listeners.get(i);
+                Rate r = lsnr.getRate();
+                String title = r.getRateStat().getName() + " for " + DataHelper.formatDuration(_periodCount * r.getPeriod());
+                _out.write("<img src=\"viewstat.jsp?stat=" + r.getRateStat().getName() 
+                           + "&amp;showEvents=" + _showEvents
+                           + "&amp;period=" + r.getPeriod() 
+                           + "&amp;periodCount=" + _periodCount 
+                           + "&amp;width=" + _width
+                           + "&amp;height=" + _height
+                           + "\" title=\"" + title + "\" />\n");
+            }
+            if (_refreshDelaySeconds > 0)
+                _out.write("<meta http-equiv=\"refresh\" content=\"" + _refreshDelaySeconds + "\" />\n");
+
+        } catch (IOException ioe) {
+            ioe.printStackTrace();
+        }
+        return ""; 
+    }
+    public String getForm() { 
+        try {
+            _out.write("<form action=\"graphs.jsp\" method=\"GET\">");
+            _out.write("Periods: <input type=\"text\" name=\"periodCount\" value=\"" + _periodCount + "\" /><br />\n");
+            _out.write("Plot averages: <input type=\"radio\" name=\"showEvents\" value=\"false\" " + (_showEvents ? "" : "checked=\"true\" ") + " /> ");
+            _out.write("or plot events: <input type=\"radio\" name=\"showEvents\" value=\"true\" "+ (_showEvents ? "checked=\"true\" " : "") + " /><br />\n");
+            _out.write("Image sizes: width: <input size=\"4\" type=\"text\" name=\"width\" value=\"" + _width 
+                       + "\" /> pixels, height: <input size=\"4\" type=\"text\" name=\"height\" value=\"" + _height  
+                       + "\" /> (-1 for the default) <br />\n");
+            _out.write("Refresh delay: <select name=\"refreshDelay\"><option value=\"60\">1 minute</option><option value=\"120\">2 minutes</option><option value=\"300\">5 minutes</option><option value=\"600\">10 minutes</option><option value=\"-1\">Never</option></select><br />\n");
+            _out.write("<input type=\"submit\" value=\"Redraw\" />");
+        } catch (IOException ioe) {
+            ioe.printStackTrace();
+        }
+        return ""; 
+    }
+    public String getPeerSummary() {
+        try {
+            _context.commSystem().renderStatusHTML(_out);
+            _context.bandwidthLimiter().renderStatusHTML(_out);
+        } catch (IOException ioe) {
+            ioe.printStackTrace();
+        }
+        return "";
+    }
+}

apps/routerconsole/java/src/net/i2p/router/web/StatSummarizer.java

@@ -31,6 +31,9 @@ public class StatSummarizer implements Runnable {
         }
     }
     
+    /** list of SummaryListener instances */
+    List getListeners() { return _listeners; }
+    
     private static final String DEFAULT_DATABASES = "bw.sendRate.60000" +
                                                     ",bw.recvRate.60000" +
                                                     ",tunnel.testSuccessTime.60000" +