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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 com.sun.appserv.management.util.misc.MapUtil;
import java.util.StringTokenizer;
import java.util.Map;
import java.util.Timer;
import java.util.List;
import java.util.Vector;
import java.io.File;
public class ServletMonitorTask extends MonitorTask
{
private final String displayFormat = "%1$-8s %2$-8s %3$-8s %4$-8s %5$-8s %6$-8s "+
"%7$-8s %8$-8s";
private String appName = null;
private String webName = null;
private String servletName = null;
public ServletMonitorTask(final ServerRootMonitor srm, final String filter, final Timer timer,
final boolean verbose, final File fileName)
throws MonitorTaskException
{
super(srm, filter, timer, verbose, fileName);
if (this.filter == null)
getDefaultFilter();
else
{
final StringTokenizer st = new StringTokenizer(this.filter, ":");
if (st.countTokens() < 2 )
throw new MonitorTaskException(localStrings.getString("commands.monitor.servlet_invalid_filter"));
else if (st.countTokens() == 2)
{
webName = st.nextToken();
servletName = st.nextToken();
}
else {
appName = st.nextToken();
webName = st.nextToken();
servletName = st.nextToken();
}
verifyFilterValue();
}
final String servletTitle = localStrings.getString("commands.monitor.servlet_title", new Object[] {this.filter});
final String title = String.format("%1$50s", servletTitle);
CLILogger.getInstance().printMessage(title);
displayHeader();
}
public void run()
{
if (srm == null) {
super.cancelMonitorTask();
return;
}
Map<String,WebModuleVirtualServerMonitor> webMap = null;
if (appName == null)
{
webMap = srm.getWebModuleVirtualServerMonitorMap();
}
else
{
final Map<String,ApplicationMonitor> appMap = srm.getApplicationMonitorMap();
if (appMap == null || appMap.size()<1) {
cancelMonitorTask();
return;
}
final ApplicationMonitor am = appMap.get(appName);
webMap = am.getWebModuleVirtualServerMonitorMap();
}
if (webMap == null || webMap.size()<1) {
cancelMonitorTask();
return;
}
final ServletMonitor servletMonitor = getServletFromWebModule(webMap);
if (servletMonitor == null) {
cancelMonitorTask();
return;
}
final AltServletStats servletStats = servletMonitor.getAltServletStats();
if (verbose && counter == NUM_ROWS)
{
displayHeader();
counter = 0; //reset to 0
}
displayData(servletStats);
if (verbose) counter++;
}
private ServletMonitor getServletFromWebModule(final Map<String, WebModuleVirtualServerMonitor> webMap)
{
final WebModuleVirtualServerMonitor webmoduleVS = webMap.get(webName);
final Map<String, ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
return servletMap.get(servletName);
}
/**
* Returns all the possible webmodules in all the application.
* The return format is <app-name>:<webmodule>:<servlet>
*/
private String[] possibleAppModuleFilters()
{
final Map<String,ApplicationMonitor> appModuleMap = srm.getApplicationMonitorMap();
List<String> possibleFilters = new Vector<String>();
if (appModuleMap != null && appModuleMap.size() > 0)
{
//search through all application and check for the webmodules
final String[] appModules = MapUtil.getKeyStrings(appModuleMap);
for (String appModule : appModules)
{
ApplicationMonitor am = (ApplicationMonitor)appModuleMap.get(appModule);
//search for the webmodule virtual server in the appmodule
final Map<String, WebModuleVirtualServerMonitor> innerWebModuleMap = am.getWebModuleVirtualServerMonitorMap();
possibleFilters.addAll(getServletsInWebModules(appModule, innerWebModuleMap));
}
}
return (String[])possibleFilters.toArray(new String[0]);
}
/**
* Returns all the possible servlets in all the webmodules.
* The return format is <webmodule>:<servlet>
*/
private String[] possibleWebModuleFilters()
{
final Map<String,WebModuleVirtualServerMonitor> webModuleMap = srm.getWebModuleVirtualServerMonitorMap();
List<String> possibleFilters = getServletsInWebModules(null, webModuleMap);
return (String[])possibleFilters.toArray(new String[0]);
}
private List<String> getServletsInWebModules(final String appName,
final Map<String,WebModuleVirtualServerMonitor> webModuleMap)
{
List<String> possibleServlets = new Vector<String>();
final String[] webModules = MapUtil.getKeyStrings(webModuleMap);
if (webModuleMap != null && webModuleMap.size() > 0)
{
for (String webModule : webModules)
{
final WebModuleVirtualServerMonitor webmoduleVS = webModuleMap.get(webModule);
final Map<String,ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
final String[] servlets = MapUtil.getKeyStrings(servletMap);
for (String servlet : servlets)
{
if (appName == null)
possibleServlets.add(webModule+":"+servlet);
else
possibleServlets.add(appName+":"+webModule+":"+servlet);
}
}
}
return possibleServlets;
}
/**
* If filter option is not specified, then this method will
* get the default filter value.
* WebModuleVirtualServer is in both standalone webmodule or
* a webmodule in a application. If there are more than one
* standalone webmodule or an application with a webmodule,
* this method will display the available filter selections.
* If there is only one webmodule then that is the default
* filter value.
*/
private void getDefaultFilter() throws MonitorTaskException
{
String[] appModuleFilters = possibleAppModuleFilters();
String[] webModuleFilters = possibleWebModuleFilters();
if (webModuleFilters.length < 1 && appModuleFilters.length < 1)
{
throw new MonitorTaskException("No value to monitor.");
}
else if (webModuleFilters.length == 1 && appModuleFilters.length < 1)
{
filter = webModuleFilters[0];
final StringTokenizer st = new StringTokenizer(filter, ":");
webName = st.nextToken();
servletName = st.nextToken();
}
else if (webModuleFilters.length < 1 && appModuleFilters.length == 1)
{
filter = appModuleFilters[0];
final StringTokenizer st = new StringTokenizer(filter, ":");
appName = st.nextToken();
webName = st.nextToken();
servletName = st.nextToken();
}
else
{
final String msg = getAvailableFilterMessage(appModuleFilters, webModuleFilters);
throw new MonitorTaskException(msg);
}
}
private String getAvailableFilterMessage(final String[] appModuleFilters,
final String[] webModuleFilters)
{
StringBuffer sb = new StringBuffer();
sb.append(localStrings.getString("commands.monitor.more_than_one_monitoring_elements"));
if (webModuleFilters.length > 0)
{
sb.append(localStrings.getString("commands.monitor.available_servlet_elements"));
for (String webmodule: webModuleFilters)
{
sb.append(" ");
sb.append(webmodule);
sb.append("\n");
}
}
if (appModuleFilters.length > 0)
{
sb.append(localStrings.getString("commands.monitor.available_servlet_elements_in_appmodule"));
for (String appmodule: appModuleFilters)
{
sb.append(" ");
sb.append(appmodule);
sb.append("\n");
}
}
return sb.toString();
}
private void verifyFilterValue() throws MonitorTaskException
{
if (appName != null)
{
final Map<String,ApplicationMonitor> appModuleMap = srm.getApplicationMonitorMap();
if (appModuleMap.containsKey(appName))
{
final ApplicationMonitor am = appModuleMap.get(appName);
final Map<String, WebModuleVirtualServerMonitor> innerWebModuleMap = am.getWebModuleVirtualServerMonitorMap();
final boolean exist = checkIfServletExistInWebModule(innerWebModuleMap);
if (!exist)
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in2", new Object[] {servletName, appName, webName}));
}
else {
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist", new Object[] {appName}));
}
}
else
{
final Map<String,WebModuleVirtualServerMonitor> webModuleMap = srm.getWebModuleVirtualServerMonitorMap();
final boolean exist = checkIfServletExistInWebModule(webModuleMap);
if (!exist)
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in1", new Object[] {servletName, webName}));
}
}
/**
* returns true if servlet exists in webmodule
* @throws MonitorTaskException if webmodlue is invalid.
*/
private boolean checkIfServletExistInWebModule(final Map<String,WebModuleVirtualServerMonitor> webModuleMap)
throws MonitorTaskException
{
if (!webModuleMap.containsKey(webName))
{
if (appName == null)
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist", new Object[] {webName}));
else
throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in1", new Object[] {webName, appName}));
}
else {
final WebModuleVirtualServerMonitor webmoduleVS = webModuleMap.get(webName);
final Map<String,ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
if (!servletMap.containsKey(servletName))
return false;
else
return true;
}
}
private void displayHeader()
{
final String ec = localStrings.getString("commands.monitor.ec");
final String mt = localStrings.getString("commands.monitor.mt");
final String pt = localStrings.getString("commands.monitor.pt");
final String rc = localStrings.getString("commands.monitor.rc");
final String current = localStrings.getString("commands.monitor.current");
final String maxtm = localStrings.getString("commands.monitor.maxtm");
final String mintm = localStrings.getString("commands.monitor.mintm");
final String totaltm = localStrings.getString("commands.monitor.totaltm");
final String header = String.format(displayFormat,
ec,mt,pt,rc,current,maxtm,mintm,totaltm);
CLILogger.getInstance().printMessage(header);
if (fileName != null)
{
writeToFile(localStrings.getString("commands.monitor.servlet_write_to_file"));
}
}
private void displayData(final AltServletStats stat)
{
final String data = String.format(displayFormat,
stat.getErrorCount().getCount(),
stat.getMaxTime().getCount(),
stat.getProcessingTime().getCount(),
stat.getRequestCount().getCount(),
stat.getServiceTime().getCount(),
stat.getServiceTime().getMaxTime(),
stat.getServiceTime().getMinTime(),
stat.getServiceTime().getTotalTime());
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",
stat.getErrorCount().getCount(),
stat.getMaxTime().getCount(),
stat.getProcessingTime().getCount(),
stat.getRequestCount().getCount(),
stat.getServiceTime().getCount(),
stat.getServiceTime().getMaxTime(),
stat.getServiceTime().getMinTime(),
stat.getServiceTime().getTotalTime());
writeToFile(fileData);
}
}
public void displayDetails()
{
final String details = localStrings.getString("commands.monitor.servlet_detail");
CLILogger.getInstance().printMessage(details);
}
}
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