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package com.sun.enterprise.management.monitor.stats;
import java.util.Date;
import java.util.Map;
import javax.management.j2ee.statistics.Statistic;
import javax.management.j2ee.statistics.CountStatistic;
import javax.management.j2ee.statistics.TimeStatistic;
import com.sun.appserv.management.j2ee.statistics.CountStatisticImpl;
import com.sun.appserv.management.j2ee.statistics.TimeStatisticImpl;
import com.sun.appserv.management.monitor.statistics.LoadBalancerServerStats;
import com.sun.enterprise.admin.monitor.stats.lb.ClusterStats;
import com.sun.enterprise.admin.monitor.stats.lb.InstanceStats;
import com.sun.enterprise.admin.monitor.stats.lb.LoadBalancerStatsInterface;
import com.sun.enterprise.admin.monitor.stats.lb.InstanceStatsInterface;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.server.pluggable.LBFeatureFactory;
public final class LoadBalancerContextRootStatsImpl implements CustomStatsImpl {
/** Returns the statistics for a load-balanced server instance
* @return an array of {@link Statistic}
*/
public Statistic[] getStatistics() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface instance = getInstanceStats(lbstats);
return createStats(instance);
}
/** Returns average response time in milliseconds
* @return an instance of {@link TimeStatistic}
*/
public TimeStatistic getResponseTime() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long avgRespTime = Long.parseLong(
istat.getApplicationStatsAverageResponseTime());
long maxRespTime = Long.parseLong(
istat.getApplicationStatsMaxResponseTime());
long minRespTime = Long.parseLong(
istat.getApplicationStatsMinResponseTime());
long totalRequests = Long.parseLong(
istat.getApplicationStatsNumTotalRequests());
long sampleTime = System.currentTimeMillis();
return createResponseTimeStat(maxRespTime,
totalRequests, sampleTime,
minRespTime, avgRespTime);
}
return null;
}
/** Returns average response time in milliseconds
* @return an instance of {@link TimeStatistic}
*/
public CountStatistic getAverageResponseTime() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long avgRespTime = Long.parseLong(
istat.getApplicationStatsAverageResponseTime());
long sampleTime = System.currentTimeMillis();
return createAverageRespTimeStat(sampleTime,avgRespTime);
}
return null;
}
/** Returns the number of failover requests
* @return an instance of {@link CountStatistic}
*/
public CountStatistic getFailoverReqCount() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long time = Long.parseLong(
istat.getApplicationStatsNumFailoverRequests());
long sampleTime = System.currentTimeMillis();
return createFailoverReqCountStat(sampleTime,time);
}
return null;
}
/** Returns the number of error requests
* @return an instance of {@link CountStatistic}
*/
public CountStatistic getErrorRequestCount() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long time = Long.parseLong(
istat.getApplicationStatsNumErrorRequests());
long sampleTime = System.currentTimeMillis();
return createErrorRequestCountStat(sampleTime,time);
}
return null;
}
/** Returns the number of active requests
* @return an instance of {@link CountStatistic}
*/
public CountStatistic getActiveRequestCount() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long time = Long.parseLong(
istat.getApplicationStatsNumActiveRequests());
long sampleTime = System.currentTimeMillis();
return createActiveRequestCountStat(sampleTime,time);
}
return null;
}
/** Returns the number of total requests
* @return an instance of {@link CountStatistic}
*/
public CountStatistic getTotalRequestCount() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long time = Long.parseLong(
istat.getApplicationStatsNumTotalRequests());
long sampleTime = System.currentTimeMillis();
return createTotalRequestCountStat(sampleTime,time);
}
return null;
}
/** Returns the number of times all idempotent
* urls in this application are accessed
* @return an instance of {@link CountStatistic}
*/
public CountStatistic getIdempotentUrlAccessCount() {
LoadBalancerStatsInterface lbstats =
lbff.getLoadBalancerMonitoringStats(lbConfigName,lbName);
InstanceStatsInterface istat = getInstanceStats(lbstats);
if(istat!=null){
long time = Long.parseLong(
istat.getApplicationStatsNumIdempotentUrlRequests());
long sampleTime = System.currentTimeMillis();
return createIdempotentUrlAccessCountStat(sampleTime,time);
}
return null;
}
public LoadBalancerContextRootStatsImpl(String lbName,String lbConfigName,
String clusterName,String instanceName,String appName,
String contextRoot) {
this.lbName=lbName;
this.clusterName=clusterName;
this.instanceName=instanceName;
this.appName=appName;
this.contextRoot=contextRoot;
this.lbConfigName=lbConfigName;
this.lbff = ApplicationServer.getServerContext().
getPluggableFeatureFactory().getLBFeatureFactory();
this.startTime=System.currentTimeMillis();
}
public LoadBalancerContextRootStatsImpl() {
}
private String contextRoot = null;
private String lbName = null;
private String lbConfigName = null;
private String clusterName = null;
private String instanceName = null;
private String appName = null;
private LBFeatureFactory lbff = null;
private long startTime = 0;
private InstanceStatsInterface getInstanceStats(
final LoadBalancerStatsInterface lbstats) {
if(lbstats == null)
return null;
ClusterStats [] cstats = lbstats.getClusterStats();
for(ClusterStats cstat :cstats){
for(InstanceStats istat : cstat.getInstanceStats()){
if(!istat.getId().equals(instanceName))
continue;
String appid = istat.getApplicationStatsId();
if(!appid.equals(contextRoot))
continue;
return istat;
}
}
return null;
}
private Statistic[] createStats(InstanceStatsInterface istat) {
Statistic[] emptyStats = createEmptyStats();
if(istat==null)
return emptyStats;
long avgRespTime = Long.parseLong(
istat.getApplicationStatsAverageResponseTime());
long maxRespTime = Long.parseLong(
istat.getApplicationStatsMaxResponseTime());
long minRespTime = Long.parseLong(
istat.getApplicationStatsMinResponseTime());
long noActiveReq = Long.parseLong(
istat.getApplicationStatsNumActiveRequests());
long noErrorReq = Long.parseLong(
istat.getApplicationStatsNumErrorRequests());
long noFailoverReq = Long.parseLong(
istat.getApplicationStatsNumFailoverRequests());
long noIdempotentUrlReq = Long.parseLong(
istat.getApplicationStatsNumIdempotentUrlRequests());
long totalRequests = Long.parseLong(
istat.getApplicationStatsNumTotalRequests());
long sampleTime = System.currentTimeMillis();
Statistic[] statArr = new Statistic[7];
statArr[0] = createResponseTimeStat(maxRespTime, totalRequests,
sampleTime, minRespTime, avgRespTime);
statArr[1] = createAverageRespTimeStat(sampleTime, avgRespTime);
statArr[2] = createFailoverReqCountStat(sampleTime, noFailoverReq);
statArr[3] = createErrorRequestCountStat(sampleTime, noErrorReq);
statArr[4] = createActiveRequestCountStat(sampleTime, noActiveReq);
statArr[5] = createTotalRequestCountStat(sampleTime, totalRequests);
statArr[6] = createIdempotentUrlAccessCountStat(sampleTime,
noIdempotentUrlReq);
return statArr;
}
private CountStatistic createAverageRespTimeStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("AverageResponseTime",
"Average Response Time", "MILLISECOND", startTime, sampleTime,count);
}
private CountStatistic createFailoverReqCountStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("FailoverReqCount",
"Failover Request Count", "count", startTime, sampleTime,count);
}
private CountStatistic createErrorRequestCountStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("ErrorRequestCount",
"Error Request Count", "count", startTime, sampleTime,count);
}
private CountStatistic createActiveRequestCountStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("ActiveRequestCount",
"Active Request Count", "count", startTime, sampleTime,count);
}
private CountStatistic createTotalRequestCountStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("TotalRequestCount",
"Total Request Count", "count", startTime, sampleTime,count);
}
private CountStatistic createIdempotentUrlAccessCountStat(final long sampleTime,
final long count) {
return new CountStatisticImpl("IdempotentUrlAccessCount",
"Idempotent Url Access Count", "count", startTime, sampleTime,count);
}
private TimeStatistic createResponseTimeStat(final long maxRespTime,
final long totalRequests, final long sampleTime,
final long minRespTime, final long avgRespTime) {
return new TimeStatisticImpl("ResponseTime", "Response Time",
"MILLISECOND", startTime, sampleTime,totalRequests,maxRespTime,
minRespTime, totalRequests*avgRespTime);
}
private Statistic[] createEmptyStats() {
Statistic[] statArr1 = new Statistic[7];
statArr1[0] = createResponseTimeStat(-1, -1, -1, -1, -1);
statArr1[1] = createAverageRespTimeStat(-1, -1);
statArr1[2] = createFailoverReqCountStat(-1, -1);
statArr1[3] = createErrorRequestCountStat(-1, -1);
statArr1[4] = createActiveRequestCountStat(-1, -1);
statArr1[5] = createTotalRequestCountStat(-1, -1);
statArr1[6] = createIdempotentUrlAccessCountStat( -1, -1);
return statArr1;
}
}
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