// 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 ;
}
}