ch.windmobile.server.socialmodel.mogodb.HeavyLoadTest.java Source code

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Here is the source code for ch.windmobile.server.socialmodel.mogodb.HeavyLoadTest.java

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/*******************************************************************************
 * Copyright (c) 2011 epyx SA.
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * This program 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 Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package ch.windmobile.server.socialmodel.mogodb;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.springframework.util.FileCopyUtils;

import ch.windmobile.server.social.mongodb.MongoDBConstants;
import ch.windmobile.server.social.mongodb.MongoDBServiceLocator;
import ch.windmobile.server.socialmodel.ChatService;
import ch.windmobile.server.socialmodel.ServiceLocator;
import ch.windmobile.server.socialmodel.xml.Messages;

import com.mongodb.DB;
import com.mongodb.Mongo;

public class HeavyLoadTest {

    public void beforeTest() {
        Mongo mongo = null;
        try {
            mongo = new Mongo();
            DB db = mongo.getDB(MongoDBConstants.DATABASE_NAME);
            InputStream is = getClass().getResourceAsStream("/init-script.js");
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            FileCopyUtils.copy(is, out);
            String code = out.toString();
            Logger.getLogger("WindoMobile").info("Create test database");
            Object result = db.doEval(code);
            Logger.getLogger("WindoMobile").info("Result : " + result.toString());

        } catch (Exception e) {
            Logger.getLogger("WindoMobile").log(Level.SEVERE, "Error : " + e.getMessage());
            e.printStackTrace();
        } finally {
            if (mongo != null) {
                mongo.close();
            }
        }
    }

    public void testFullChatCycle() throws Exception {
        ServiceLocator locator = new MongoDBServiceLocator().connect(null);
        try {
            final int CNT = 50000;
            final Executor executor = Executors.newFixedThreadPool(10);
            final ChatService chatService = locator.getService(ChatService.class);
            final AtomicInteger counter = new AtomicInteger();
            final CountDownLatch latch = new CountDownLatch(CNT);
            for (int i = 0; i < CNT; i++) {
                executor.execute(new Runnable() {
                    @Override
                    public void run() {
                        chatService.postMessage("TestRoom", "aUser",
                                "Hello, this is my message " + counter.incrementAndGet(), "");
                        latch.countDown();
                    }
                });
            }
            System.out.println("Chat sent, waiting for the end...");
            latch.await(2, TimeUnit.MINUTES);
            Messages ret = chatService.findMessages("TEST", 5);
            System.out.println("result : " + ret);
        } finally {
            locator.disconnect();
        }
    }

    public static void main(String[] args) {
        try {
            HeavyLoadTest test = new HeavyLoadTest();
            test.beforeTest();
            long before = System.nanoTime();
            test.testFullChatCycle();
            System.out.println("Time : " + TimeUnit.NANOSECONDS.toMicros((System.nanoTime() - before)) + " s");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}