Package org.w3c.jigsaw.status

Source Code of org.w3c.jigsaw.status.StatisticsFrame

// StatisticsFrame.java
// $Id: StatisticsFrame.java,v 1.27 2005/07/22 15:44:15 ylafon Exp $
// (c) COPYRIGHT MIT and INRIA, 1996.
// Please first read the full copyright statement in file COPYRIGHT.html

package org.w3c.jigsaw.status ;

import java.util.Date;

import org.w3c.tools.resources.Attribute;
import org.w3c.tools.resources.AttributeHolder;
import org.w3c.tools.resources.AttributeRegistry;
import org.w3c.tools.resources.FramedResource;
import org.w3c.tools.resources.IntegerAttribute;
import org.w3c.tools.resources.Resource;

import org.w3c.tools.resources.store.ResourceStoreManager;

import org.w3c.www.http.HTTP;
import org.w3c.www.http.HttpMessage;

import org.w3c.jigsaw.frames.HTTPFrame;

import org.w3c.jigsaw.http.Reply;
import org.w3c.jigsaw.http.Request;
import org.w3c.jigsaw.http.httpd;
import org.w3c.jigsaw.http.httpdStatistics;

import org.w3c.jigsaw.html.HtmlGenerator;

/**
* This class exports the server statistics.
* It makes available a bunch of various parameters about the current
* server, and uses the Refresh meta-tag (as the ThreadStat) to
* make them redisplay.
* <p>This would benefit from being an applet.
*/

public class StatisticsFrame extends HTTPFrame {
    private static int REFRESH_DEFAULT = 5;

    /**
     * Attribute index - Our refresh interval.
     */
    protected static int ATTR_REFRESH = -1 ;

    static {
  Attribute a   = null ;
  Class     cls = null ;
  try {
      cls = Class.forName("org.w3c.jigsaw.status.StatisticsFrame");
  } catch (Exception ex) {
      ex.printStackTrace() ;
      System.exit(1) ;
  }
  // The refresh interval attribute:
  a = new IntegerAttribute("refresh"
         , new Integer(5)
         , Attribute.EDITABLE) ;
  ATTR_REFRESH = AttributeRegistry.registerAttribute(cls, a) ;
    }

    static String time_tbl = ("<table border=\"1\" class=\"time\">"
            + "<caption>Request processing times"
            + "</caption><tr>"
            + "<th>min"
            + "<th>avg"
            + "<th>max"
            + "</tr><tr>") ;

    static String dyn_time_tbl = ("<table border=\"1\" class=\"time\">"
          + "<caption>Dynamic request processing times"
          + "</caption><tr>"
          + "<th>min"
          + "<th>avg"
          + "<th>max"
          + "</tr><tr>") ;

    static String sta_time_tbl = ("<table border=\"1\" class=\"time\">"
          + "<caption>Static request processing times"
          + "</caption><tr>"
          + "<th>min"
          + "<th>avg"
          + "<th>max"
          + "</tr><tr>") ;

    public void registerResource(FramedResource resource) {
  super.registerOtherResource(resource);
    }
       
    /**
     * Get the current set of statistics.
     * Display the collected statistics in an HTML table.
     * @param request TYhe request to process.
     */

    public Reply get (Request request) {
  HtmlGenerator g = new HtmlGenerator("Statistics") ;
  int refresh = getInt(ATTR_REFRESH, REFRESH_DEFAULT);
  if (refresh > 0) {
      g.addMeta("Refresh", Integer.toString(refresh));
  }
  addStyleSheet(g);
  // Dump the statistics:
  httpdStatistics stats = ((httpd)getServer()).getStatistics() ;
  // Uptime:
  g.append("<h1>Server statistics</h1>");
  long start_time = stats.getStartTime();
  long uptime     = (System.currentTimeMillis() - start_time) / 1000;
  g.append("<p>Your server was started on <span class=\"date\">");
  g.append(new Date(start_time).toString());
  long duptime = uptime / (3600L*24L);
  long htemp   = uptime % (3600L*24L);
  long huptime = htemp / 3600L;
  long mtemp   = htemp % 3600L;
  long muptime = mtemp / 60L;
  long suptime = mtemp % 60L;
  g.append("</span>\n<p>It has now been running for <span "+
     "class=\"uptime\">");
  g.append(Long.toString(duptime));
  g.append(" days, ");
  g.append(Long.toString(huptime));
  g.append(" hours, ");
  g.append(Long.toString(muptime));
  g.append(" minutes and ");
  g.append(Long.toString(suptime));
  g.append(" seconds.</span>\n");
  // Hits and bytes:
  long  nb_hits      = stats.getHitCount();
  long  dyn_hits     = stats.getDynamicHitCount();
  long  static_hits  = stats.getStaticHitCount();
  float static_pcent = 0;
  float dyn_pcent    = 0;
  if (nb_hits > 0) {
      static_pcent = ((float) static_hits / (float) nb_hits) * 100;
      dyn_pcent = ((float) dyn_hits / (float) nb_hits) * 100;
  }
  g.append("<ul><li>hits: ", Long.toString(nb_hits));
  g.append("  <ul>\n    <li>static: ",Long.toString(static_hits));
  g.append(" (", Float.toString(static_pcent));
  g.append("%)</li>\n    <li>dynamic: ", Long.toString(dyn_hits));
  g.append(" (", Float.toString(dyn_pcent));
  g.append("%)</li>\n  </ul>\n");
  long bytes = stats.getEmittedBytes();
  long kbytes = bytes / 1024;
  long mbytes = kbytes / 1024;
  long gbytes = mbytes / 1024;
        long tbytes = gbytes / 1024;
  if (tbytes != 0) {
      g.append("</li>\n<li>bytes: ", Long.toString( tbytes),"TB, ");
      g.append(Long.toString(gbytes % 1024), "GB, ");
      g.append(Long.toString(mbytes % 1024), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(bytes % 1024));
  } else if (gbytes != 0) {
      g.append("</li>\n<li>bytes: ", Long.toString(gbytes), "GB, ");
      g.append(Long.toString(mbytes % 1024), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(bytes % 1024));
  } else if (mbytes != 0) {
      g.append("</li>\n<li>bytes: ", Long.toString(mbytes), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(bytes % 1024));
  } else if (kbytes != 0) {
      g.append("</li>\n<li>bytes: ", Long.toString(kbytes), "KB, ");
      g.append(Long.toString(bytes % 1024));
  } else {
      g.append("</li>\n<li>bytes: ", Long.toString(bytes));
  }
  // avg hit/sec
  float avghits = 0;
  float avghitsday = 0;
  if (uptime > 0) {
      avghits = ((float) nb_hits) / ((float) uptime);
      avghitsday = ((float) nb_hits * 86400) / ((float) uptime);
  }
  g.append("</li>\n<li>Average hits per second: ");
  g.append(Float.toString(avghits));
  g.append("</li>\n<li>Average hits per day: ");
  g.append(Integer.toString((int) avghitsday));
  // avg bytes/hit
  long avgbph;

  if (nb_hits > 0) {
      avgbph = bytes / nb_hits;
  } else {
      avgbph = 0;
  }
  kbytes = avgbph / 1024;
  mbytes = kbytes / 1024;
  gbytes = mbytes / 1024;
  if (gbytes != 0) {
      g.append("</li>\n<li>Average bytes per hit: ");
      g.append(Long.toString(gbytes), "GB, ");
      g.append(Long.toString(mbytes % 1024), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(avgbph % 1024));
  } else if (mbytes != 0) {
      g.append("</li>\n<li>Average bytes per hit: ");
      g.append(Long.toString(mbytes), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(avgbph % 1024));     
  } else if (kbytes != 0) {
      g.append("</li>\n<li>Average bytes per hit: ");
      g.append(Long.toString(kbytes), "KB, ");
      g.append(Long.toString(avgbph % 1024));
  } else {
      g.append("</li>\n<li>Average bytes per hit: ",
         Long.toString(avgbph));
  }
  // avg throughput
  long avgbps = 0;
  if (uptime > 0) {
      avgbps = bytes / uptime;
  }
  kbytes = avgbps / 1024;
  mbytes = kbytes / 1024;
  gbytes = mbytes / 1024;
  if (gbytes != 0) {
      g.append("</li>\n<li>Average bytes per second: ");
      g.append(Long.toString(gbytes)"GB, ");
      g.append(Long.toString(mbytes % 1024), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(avgbps % 1024));
  } else if (mbytes != 0) {
      g.append("</li>\n<li>Average bytes per second: ");
      g.append(Long.toString(mbytes), "MB, ");
      g.append(Long.toString(kbytes % 1024), "KB, ");
      g.append(Long.toString(avgbps % 1024));
  } else if (kbytes != 0) {
      g.append("</li>\n<li>Average bytes per second: ");
      g.append(Long.toString(kbytes), "KB, ");
      g.append(Long.toString(avgbps % 1024));
  } else {
      g.append("</li>\n<li>Average bytes per second: ",
         Long.toString(avgbps));
  }   
  g.append("</li>\n</ul>");
  // Request times:
  g.append(time_tbl) ;
  g.append("<td>"
     , Long.toString(stats.getMinRequestTime())
     , " <span class=\"unit\">ms</span>") ;
  g.append("</td>\n<td>"
     , Long.toString(stats.getMeanRequestTime())
     , " <span class=\"unit\">ms</span>") ;
  g.append("</td>\n<td>"
     , Long.toString(stats.getMaxRequestTime())
     , " <span class=\"unit\">ms</span>") ;
  g.append("</td>\n</table>\n") ;

  // static
  if (static_hits>0) {
      g.append(sta_time_tbl) ;
      g.append("<td>"
         , Long.toString(stats.getMinStaticRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n<td>"
         , Long.toString(stats.getMeanStaticRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n<td>"
         , Long.toString(stats.getMaxStaticRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n</table>\n") ;
  }

  // dynamic
  if (dyn_hits>0) {
      g.append(dyn_time_tbl) ;
      g.append("<td>"
         , Long.toString(stats.getMinDynamicRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n<td>"
         , Long.toString(stats.getMeanDynamicRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n<td>"
         , Long.toString(stats.getMaxDynamicRequestTime())
         , " <span class=\"unit\">ms</span>") ;
      g.append("</td>\n</table>\n") ;
  }

  // Get Server internal Stats
  try {
      g.append(((httpd)getServer()).getHTMLStatus());
  } catch (Exception ex) {
      ex.printStackTrace();
  }
  Reply reply = request.makeReply(HTTP.OK) ;
  reply.setNoCache();
  reply.setStream (g) ;
  reply.setDynamic(true);
  return reply ;
    }
}

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