controllerTas.controller.TasController.java Source code

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Here is the source code for controllerTas.controller.TasController.java

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package controllerTas.controller;

/*
 * INESC-ID, Instituto de Engenharia de Sistemas e Computadores Investigao e Desevolvimento em Lisboa
 * Copyright 2013 INESC-ID and/or its affiliates and other
 * contributors as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a full listing of
 * individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3.0 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
import Tas2.core.environment.DSTMScenarioTas2;
import Tas2.exception.Tas2Exception;
import controllerTas.actions.ThroughputMaximizer;
import controllerTas.actions.WhatIfAnalyzer;
import controllerTas.actions.gnuplot.GnuplotException;
import controllerTas.actions.gnuplot.ThroughputPlotter;
import controllerTas.config.configs.TasControllerConfiguration;
import controllerTas.common.DSTMScenarioFactory;
import controllerTas.common.KPI;
import controllerTas.common.PublishAttributeException;
import controllerTas.common.Scale;
import controllerTas.wpm.TasWPMViewChangeRemoteListenerImpl;
import eu.cloudtm.wpm.connector.WPMConnector;
import eu.cloudtm.wpm.logService.remote.events.PublishAttribute;
import eu.cloudtm.wpm.logService.remote.listeners.WPMViewChangeRemoteListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.net.UnknownHostException;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

public class TasController {

    private WPMConnector connector;
    private static final Log log = LogFactory.getLog(TasController.class);
    private AtomicBoolean maskInterrupt = new AtomicBoolean(false);
    private ThroughputMaximizer throughputMaximizer;
    private WhatIfAnalyzer analyzer;
    private DSTMScenarioFactory factory = new DSTMScenarioFactory(); //DummyScenarioFactory
    private ControllerState state;

    private TasControllerConfiguration config;

    public TasController(TasControllerConfiguration conf)
            throws RemoteException, UnknownHostException, NotBoundException {
        this.config = conf;
        init(this.config);
        log.info("TasController created: Going to create the WPMConnector for it");
        connector = new WPMConnector();
        log.info("WPMConnector created. Attaching the viewChangeRemoteListener");
        WPMViewChangeRemoteListener viewChange = new TasWPMViewChangeRemoteListenerImpl(connector, this);
        connector.registerViewChangeRemoteListener(viewChange);
        log.info("TasController is set up");

    }

    private void init(TasControllerConfiguration config) {
        log.trace("Creating TasController with configuration:\n" + config);
        int minN = config.getScaleConfig().getMinNumNodes();
        int maxN = config.getScaleConfig().getMaxNumNodes();
        int minT = config.getScaleConfig().getMinNumThreads();
        int maxT = config.getScaleConfig().getMaxNumThreads();
        this.throughputMaximizer = new ThroughputMaximizer(minN, maxN, minT, maxT);
        this.analyzer = new WhatIfAnalyzer(minN, maxN, minT, maxT);

        int initN = config.getScaleConfig().getInitNumNodes();
        int initT = config.getScaleConfig().getInitNumThreads();
        Scale initScale = new Scale(initN, initT);

        this.state = new ControllerState(initScale, config.getDemoTransitoryConfig());

    }

    public void consumeStats(Set<HashMap<String, PublishAttribute>> jmx, Set<HashMap<String, PublishAttribute>> mem)
            throws PublishAttributeException, Tas2Exception {

        if (state.testAndSetMaskInterrupt(false, true)) {
            try {
                double timeWindow = state.getLastTimeWindow() / 1e3;
                state.resetTimeWindow();
                log.info("Analyzing stats relevant to the last " + timeWindow + " sec");
                DSTMScenarioTas2 scenario = factory.buildScenario(jmx, mem, timeWindow,
                        state.getCurrentScale().getNumThreads());
                if (!state.isStable((int) scenario.getWorkParams().getWriteOpsPerTx())) {
                    return;
                }
                log.trace("BuiltScenario\n" + scenario.toString());
                Set<KPI> kpis = analyzer.computeKPI(scenario);
                log.trace("KPIs " + kpis.toString());
                ThroughputPlotter gnu = new ThroughputPlotter(config.getGnuplotConfig());
                gnu.plot(kpis);
                //this.throughputMaximizer.computeMaxThroughputScale(scenario);
            } catch (Tas2Exception t) {
                log.warn(t);
                log.trace(Arrays.toString(t.getStackTrace()));
                log.trace("Skipping");
            } catch (GnuplotException g) {
                log.warn(g.getMessage());
            } catch (Exception e) {
                log.fatal(e.getMessage());
                log.fatal(Arrays.toString(e.getStackTrace()));
            } finally {
                log.trace("Resetting maskInterrupt");
                state.atomicSetMaskInterrupt(false);
            }
        } else {
            state.resetTimeWindow();
            log.trace("Masked interrupt");
        }
    }

    public boolean canProcessNewData() {
        return !this.maskInterrupt.get();
    }

    public void resetStateTimeWindow() {
        this.state.resetTimeWindow();
    }

}