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package com.sun.enterprise.v3.services.impl.monitor;
import com.sun.enterprise.v3.services.impl.monitor.stats.FileCacheStatsProvider;
import org.glassfish.grizzly.http.server.filecache.FileCache;
import org.glassfish.grizzly.http.server.filecache.FileCacheEntry;
import org.glassfish.grizzly.http.server.filecache.FileCacheProbe;
/**
*
* @author oleksiys
*/
public class FileCacheMonitor implements FileCacheProbe {
private final GrizzlyMonitoring grizzlyMonitoring;
private final String monitoringId;
public FileCacheMonitor(GrizzlyMonitoring grizzlyMonitoring,
String monitoringId, FileCache config) {
this.grizzlyMonitoring = grizzlyMonitoring;
this.monitoringId = monitoringId;
if (grizzlyMonitoring != null) {
final FileCacheStatsProvider statsProvider =
grizzlyMonitoring.getFileCacheStatsProvider(monitoringId);
if (statsProvider != null) {
statsProvider.setStatsObject(config);
}
// statsProvider.reset();
}
}
@Override
public void onEntryAddedEvent(final FileCache fileCache, final FileCacheEntry entry) {
grizzlyMonitoring.getFileCacheProbeProvider().incOpenCacheEntriesEvent(monitoringId);
switch (entry.type) {
case HEAP: {
grizzlyMonitoring.getFileCacheProbeProvider().addHeapSizeEvent(monitoringId, entry.getFileSize(false));
break;
}
case MAPPED: {
grizzlyMonitoring.getFileCacheProbeProvider().addMappedMemorySizeEvent(monitoringId, entry.getFileSize(false));
break;
}
default: {
throw new IllegalStateException("Unexpected type: " + entry.type);
}
}
}
@Override
public void onEntryRemovedEvent(final FileCache fileCache, final FileCacheEntry entry) {
grizzlyMonitoring.getFileCacheProbeProvider().decOpenCacheEntriesEvent(monitoringId);
switch (entry.type) {
case HEAP: {
grizzlyMonitoring.getFileCacheProbeProvider().subHeapSizeEvent(monitoringId, entry.getFileSize(false));
break;
}
case MAPPED: {
grizzlyMonitoring.getFileCacheProbeProvider().subMappedMemorySizeEvent(monitoringId, entry.getFileSize(false));
break;
}
default: {
throw new IllegalStateException("Unexpected type: " + entry.type);
}
}
}
@Override
public void onEntryHitEvent(final FileCache fileCache, final FileCacheEntry entry) {
grizzlyMonitoring.getFileCacheProbeProvider().countHitEvent(monitoringId);
switch (entry.type) {
case HEAP: {
grizzlyMonitoring.getFileCacheProbeProvider().countInfoHitEvent(monitoringId);
break;
}
case MAPPED: {
grizzlyMonitoring.getFileCacheProbeProvider().countContentHitEvent(monitoringId);
break;
}
default: {
throw new IllegalStateException("Unexpected type: " + entry.type);
}
}
}
@Override
public void onEntryMissedEvent(final FileCache fileCache, final String host, final String requestURI) {
grizzlyMonitoring.getFileCacheProbeProvider().countMissEvent(monitoringId);
}
@Override
public void onErrorEvent(final FileCache fileCache, final Throwable error) {
}
}