KeepAliveMonitor.java

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package com.sun.enterprise.v3.services.impl.monitor;

import com.sun.enterprise.v3.services.impl.monitor.stats.KeepAliveStatsProvider;
import java.io.IOException;
import org.glassfish.grizzly.Connection;
import org.glassfish.grizzly.http.KeepAlive;
import org.glassfish.grizzly.http.KeepAliveProbe;

/**
 *
 * @author oleksiys
 */
public class KeepAliveMonitor implements KeepAliveProbe {
    private final GrizzlyMonitoring grizzlyMonitoring;
    private final String monitoringId;

    public KeepAliveMonitor(GrizzlyMonitoring grizzlyMonitoring,
            String monitoringId, KeepAlive config) {
        this.grizzlyMonitoring = grizzlyMonitoring;
        this.monitoringId = monitoringId;

        if (grizzlyMonitoring != null) {
            final KeepAliveStatsProvider statsProvider =
                    grizzlyMonitoring.getKeepAliveStatsProvider(monitoringId);
            statsProvider.setStatsObject(config);
            statsProvider.reset();
        }
    }

    @Override
    public void onConnectionAcceptEvent(final Connection connection) {
        grizzlyMonitoring.getKeepAliveProbeProvider().incrementCountConnectionsEvent(monitoringId);
        connection.addCloseListener(new Connection.CloseListener() {

            @Override
            public void onClosed(final Connection connection, Connection.CloseType closeType) throws IOException {
                grizzlyMonitoring.getKeepAliveProbeProvider().decrementCountConnectionsEvent(monitoringId);
            }

        });
    }

    @Override
    public void onHitEvent(Connection connection, int requestNumber) {
        grizzlyMonitoring.getKeepAliveProbeProvider().incrementCountHitsEvent(monitoringId);
    }

    @Override
    public void onRefuseEvent(Connection connection) {
        grizzlyMonitoring.getKeepAliveProbeProvider().incrementCountRefusalsEvent(monitoringId);
    }

    @Override
    public void onTimeoutEvent(Connection connection) {
        grizzlyMonitoring.getKeepAliveProbeProvider().incrementCountTimeoutsEvent(monitoringId);
    }

}