JMeter example source code file (RemoteStart.java)

This example JMeter source code file (RemoteStart.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

awt, component, event, guipackage, jmeterengine, jmeterengine, local_host, non-nls-1, non-nls-1, override, remote_hosts_separator, remote_hosts_separator, remotestart, set, string, string, util

The JMeter RemoteStart.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.jmeter.gui.action;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.apache.jmeter.JMeter;
import org.apache.jmeter.engine.ClientJMeterEngine;
import org.apache.jmeter.engine.JMeterEngine;
import org.apache.jmeter.engine.JMeterEngineException;
import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.collections.HashTree;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public class RemoteStart extends AbstractAction {

    private static final Logger log = LoggingManager.getLoggerForClass();

    private static final String LOCAL_HOST = "127.0.0.1"; // $NON-NLS-1$

    private static final String REMOTE_HOSTS = "remote_hosts"; // $NON-NLS-1$ jmeter.properties

    private static final String REMOTE_HOSTS_SEPARATOR = ","; // $NON-NLS-1$

    private static final Set<String> commands = new HashSet();

    static {
        commands.add(ActionNames.REMOTE_START);
        commands.add(ActionNames.REMOTE_STOP);
        commands.add(ActionNames.REMOTE_START_ALL);
        commands.add(ActionNames.REMOTE_STOP_ALL);
        commands.add(ActionNames.REMOTE_EXIT);
        commands.add(ActionNames.REMOTE_EXIT_ALL);
    }

    private final Map<String, JMeterEngine> remoteEngines = new HashMap();

    public RemoteStart() {
    }

    @Override
    public void doAction(ActionEvent e) {
        String name = ((Component) e.getSource()).getName();
        if (name != null) {
            name = name.trim();
        }
        String action = e.getActionCommand();
        if (action.equals(ActionNames.REMOTE_STOP)) {
            doRemoteStop(name);
        } else if (action.equals(ActionNames.REMOTE_START)) {
            popupShouldSave(e);
            doRemoteInit(name);
            doRemoteStart(name);
        } else if (action.equals(ActionNames.REMOTE_START_ALL)) {
            popupShouldSave(e);
            String remote_hosts_string = JMeterUtils.getPropDefault(REMOTE_HOSTS, LOCAL_HOST);
            java.util.StringTokenizer st = new java.util.StringTokenizer(remote_hosts_string, REMOTE_HOSTS_SEPARATOR);
            while (st.hasMoreElements()) {
                String el = (String) st.nextElement();
                doRemoteInit(el.trim());
            }
            st = new java.util.StringTokenizer(remote_hosts_string, REMOTE_HOSTS_SEPARATOR);
            while (st.hasMoreElements()) {
                String el = (String) st.nextElement();
                doRemoteStart(el.trim());
            }
        } else if (action.equals(ActionNames.REMOTE_STOP_ALL)) {
            String remote_hosts_string = JMeterUtils.getPropDefault(REMOTE_HOSTS, LOCAL_HOST);
            java.util.StringTokenizer st = new java.util.StringTokenizer(remote_hosts_string, REMOTE_HOSTS_SEPARATOR);
            while (st.hasMoreElements()) {
                String el = (String) st.nextElement();
                doRemoteStop(el.trim());
            }
        } else if (action.equals(ActionNames.REMOTE_EXIT)) {
            doRemoteExit(name);
        } else if (action.equals(ActionNames.REMOTE_EXIT_ALL)) {
            String remote_hosts_string = JMeterUtils.getPropDefault(REMOTE_HOSTS, LOCAL_HOST);
            java.util.StringTokenizer st = new java.util.StringTokenizer(remote_hosts_string, REMOTE_HOSTS_SEPARATOR);
            while (st.hasMoreElements()) {
                String el = (String) st.nextElement();
                doRemoteExit(el.trim());
            }
        }
    }

    /**
     * Stops a remote testing engine
     *
     * @param name
     *            the DNS name or IP address of the remote testing engine
     *
     */
    private void doRemoteStop(String name) {
        GuiPackage.getInstance().getMainFrame().showStoppingMessage(name);
        JMeterEngine engine = remoteEngines.get(name);
        engine.stopTest();
    }

    /**
     * Exits a remote testing engine
     *
     * @param name
     *            the DNS name or IP address of the remote testing engine
     *
     */
    private void doRemoteExit(String name) {
        JMeterEngine engine = remoteEngines.get(name);
        if (engine == null) {
            return;
        }
        // GuiPackage.getInstance().getMainFrame().showStoppingMessage(name);
        engine.exit();
    }

    /**
     * Starts a remote testing engine
     *
     * @param name
     *            the DNS name or IP address of the remote testing engine
     *
     */
    private void doRemoteStart(String name) {
        JMeterEngine engine = remoteEngines.get(name);
        if (engine != null) {
            try {
                engine.runTest();
            } catch (JMeterEngineException e) {
                JMeterUtils.reportErrorToUser(e.getMessage(),JMeterUtils.getResString("remote_error_starting")); // $NON-NLS-1$
            }
        }
    }

    /**
     * Initializes remote engines
     */
    private void doRemoteInit(String name) {
        JMeterEngine engine = remoteEngines.get(name);
        if (engine == null) {
            try {
                log.info("Initialising remote engine: "+name);
                engine = new ClientJMeterEngine(name);
                remoteEngines.put(name, engine);
            } catch (Exception ex) {
                log.error("Failed to initialise remote engine", ex);
                JMeterUtils.reportErrorToUser(ex.getMessage(),
                        JMeterUtils.getResString("remote_error_init") + ": " + name); // $NON-NLS-1$ $NON-NLS-2$
                return;
            }
        } else {
            engine.reset();
        }
        initEngine(engine, name);
    }

    @Override
    public Set<String> getActionNames() {
        return commands;
    }

    /**
     * Initializes test on engine.
     *
     * @param engine
     *            remote engine object
     * @param host
     *            host the engine will run on
     */
    private void initEngine(JMeterEngine engine, String host) {
        GuiPackage gui = GuiPackage.getInstance();
        HashTree testTree = gui.getTreeModel().getTestPlan();
        JMeter.convertSubTree(testTree);
        testTree.add(testTree.getArray()[0], gui.getMainFrame());
        engine.configure(testTree);
    }
}