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package com.sun.enterprise.cli.commands.monitor;
import com.sun.enterprise.cli.framework.*;
import com.sun.appserv.management.monitor.*;
import com.sun.appserv.management.monitor.statistics.*;
import javax.management.j2ee.statistics.*;
import com.sun.appserv.management.j2ee.statistics.*;
import javax.management.MBeanServerConnection;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.appserv.management.util.misc.MapUtil;
import java.util.Map;
import java.util.HashMap;
import java.util.TimerTask;
import java.util.Timer;
import java.io.File;
public class ThreadPoolMonitorTask extends MonitorTask
{
private final String displayFormat = "%1$-5s %2$-5s %3$-5s %4$-5s %5$-5s %6$-5s %7$-5s "+
"%8$-20s %9$-5s %10$-5s %11$-5s %12$-5s %13$-5s %14$-5s";
public ThreadPoolMonitorTask(final ServerRootMonitor srm, final String filter, final Timer timer,
final boolean verbose, final File fileName)
throws MonitorTaskException
{
super(srm, filter, timer, verbose, fileName);
final Map<String,ThreadPoolMonitor> threadpoolMap = srm.getThreadPoolMonitorMap();
if (threadpoolMap == null)
throw new MonitorTaskException(localStrings.getString("commands.monitor.unable_to_monitor_threadpool"));
final String[] keys = MapUtil.getKeyStrings(threadpoolMap);
if (this.filter == null)
{
checkForNumberOfElements(keys);
this.filter = keys[0];
}
else {
if (!threadpoolMap.containsKey(this.filter)) {
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist", new Object[] {this.filter}));
}
}
final String threadPoolMonitoringTitle=localStrings.getString("commands.monitor.thread_pool_monitoring_title", new Object[] {this.filter});
final String title = String.format("%1$70s", threadPoolMonitoringTitle);
CLILogger.getInstance().printMessage(title);
displayHeader();
}
public void run()
{
if (srm == null) {
super.cancelMonitorTask();
return;
}
final Map<String,ThreadPoolMonitor> threadpoolMap = srm.getThreadPoolMonitorMap();
//maybe lost connection?
if (threadpoolMap == null || threadpoolMap.size()<1) {
cancelMonitorTask();
return;
}
if (verbose && counter == NUM_ROWS)
{
displayHeader();
counter = 0; //reset to 0
}
monitorThreadPool(filter, threadpoolMap);
if (verbose) counter++;
}
private void monitorThreadPool(final String element,
final Map<String,ThreadPoolMonitor> threadpoolMap)
{
final ThreadPoolMonitor threadpoolMonitor = threadpoolMap.get(element);
final ThreadPoolStats threadpoolStats = threadpoolMonitor.getThreadPoolStats();
displayData(threadpoolStats);
}
private void displayHeader()
{
final String avgTimeInQueue=localStrings.getString("commands.monitor.AvgTimeInQueue");
final String avgWorkCompTime=localStrings.getString("commands.monitor.AvgWorkCompTime");
final String currNumOfThreads=localStrings.getString("commands.monitor.CurrNumOfThreads");
final String low = localStrings.getString("commands.monitor.low");
final String hi = localStrings.getString("commands.monitor.hi");
final String cur = localStrings.getString("commands.monitor.cur");
final String min = localStrings.getString("commands.monitor.min");
final String max = localStrings.getString("commands.monitor.max");
final String avl = localStrings.getString("commands.monitor.avl");
final String busy = localStrings.getString("commands.monitor.busy");
final String add = localStrings.getString("commands.monitor.add");
final String header = String.format("%1$2s %2$18s %3$30s",
avgTimeInQueue, avgWorkCompTime,currNumOfThreads);
final String subHeader = String.format(displayFormat,
low,hi,cur,low,hi,cur,min,max,
low,hi,cur,avl,busy,add);
CLILogger.getInstance().printMessage(header);
CLILogger.getInstance().printMessage(subHeader);
if (fileName != null)
{
writeToFile(localStrings.getString("commands.monitor.thread_pool_write_to_file"));
}
}
private void displayData(final ThreadPoolStats tps)
{
final String data = String.format(displayFormat,
tps.getAverageTimeInQueue().getLowWaterMark(),
tps.getAverageTimeInQueue().getHighWaterMark(),
tps.getAverageTimeInQueue().getCurrent(),
tps.getAverageWorkCompletionTime().getLowWaterMark(),
tps.getAverageWorkCompletionTime().getHighWaterMark(),
tps.getAverageWorkCompletionTime().getCurrent(),
tps.getCurrentNumberOfThreads().getLowerBound(),
tps.getCurrentNumberOfThreads().getUpperBound(),
tps.getCurrentNumberOfThreads().getLowWaterMark(),
tps.getCurrentNumberOfThreads().getHighWaterMark(),
tps.getCurrentNumberOfThreads().getCurrent(),
tps.getNumberOfAvailableThreads().getCount(),
tps.getNumberOfBusyThreads().getCount(),
tps.getTotalWorkItemsAdded().getCount());
CLILogger.getInstance().printMessage(data);
if (fileName != null)
{
final String fileData = String.format("%1$s,%2$s,%3$s,%4$s,%5$s,%6$s,%7$s,%8$s,%9$s,"+
"%10$s,%11$s,%12$s,%13$s,%14$s",
tps.getAverageTimeInQueue().getLowWaterMark(),
tps.getAverageTimeInQueue().getHighWaterMark(),
tps.getAverageTimeInQueue().getCurrent(),
tps.getAverageWorkCompletionTime().getLowWaterMark(),
tps.getAverageWorkCompletionTime().getHighWaterMark(),
tps.getAverageWorkCompletionTime().getCurrent(),
tps.getCurrentNumberOfThreads().getLowerBound(),
tps.getCurrentNumberOfThreads().getUpperBound(),
tps.getCurrentNumberOfThreads().getLowWaterMark(),
tps.getCurrentNumberOfThreads().getHighWaterMark(),
tps.getCurrentNumberOfThreads().getCurrent(),
tps.getNumberOfAvailableThreads().getCount(),
tps.getNumberOfBusyThreads().getCount(),
tps.getTotalWorkItemsAdded().getCount());
writeToFile(fileData);
}
}
public void displayDetails()
{
final String details = localStrings.getString("commands.monitor.thread_pool_detail");
CLILogger.getInstance().printMessage(details);
}
}
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