eu.smartenit.sbox.main.SBox.java Source code

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Here is the source code for eu.smartenit.sbox.main.SBox.java

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/**
 * Copyright (C) 2014 The SmartenIT consortium (http://www.smartenit.eu)
 *
 * Licensed 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 eu.smartenit.sbox.main;

import java.util.concurrent.Executors;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.ConversionException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import eu.smartenit.sbox.commons.SBoxProperties;
import eu.smartenit.sbox.commons.SBoxThreadHandler;
import eu.smartenit.sbox.commons.ThreadFactory;
import eu.smartenit.sbox.db.dao.DbConstants;
import eu.smartenit.sbox.eca.EconomicAnalyzer;
import eu.smartenit.sbox.interfaces.intersbox.server.InterSBoxServer;
import eu.smartenit.sbox.ntm.NetworkTrafficManager;
import eu.smartenit.sbox.qoa.DTMQosAnalyzer;

/**
 * The SBox class that initiates all mechanism processes. 
 *
 * @author George Petropoulos
 * @version 1.0
 * 
 */
public class SBox {

    private static final Logger logger = LoggerFactory.getLogger(SBox.class);

    private static ThreadFactory threadFactory = new ThreadFactory();

    /**
     * The main method.
     * 
     *  @param args The main method arguments
     * 
     */
    public static void main(String[] args) {
        logger.info("Initialing SBox service.");

        // Read configuration parameters from file.
        readConfigurationProperties();

        // Set db file url.
        DbConstants.DBI_URL = "jdbc:sqlite:" + SBoxProperties.DB_FILE;

        // Initialize threads pool.
        threadFactory = new ThreadFactory();
        SBoxThreadHandler.threadService = Executors.newScheduledThreadPool(SBoxProperties.CORE_POOL_SIZE,
                threadFactory);

        // Initialize network traffic manager with default mode.
        NetworkTrafficManager ntm = new NetworkTrafficManager();
        ntm.initialize();

        // Initialize inter-sbox server at configured port and constructed NTM.
        new InterSBoxServer(SBoxProperties.INTER_SBOX_PORT, ntm);

        // Initialize economic analyzer.
        EconomicAnalyzer eca = new EconomicAnalyzer(ntm.getDtmTrafficManager());

        // Initialize qos analyzer.
        DTMQosAnalyzer analyzer = new DTMQosAnalyzer(ntm.getDtmTrafficManager(), eca);
        analyzer.initialize();

    }

    /**
     * The method that reads and sets the configuration parameters from file. 
     * 
     */
    private static void readConfigurationProperties() {
        logger.debug("Reading configuration parameters.");
        PropertiesConfiguration config = null;

        try {
            config = new PropertiesConfiguration(SBoxProperties.PROPERTIES_FILE_NAME);
            SBoxProperties.CONNECTION_RETRIES = config.getInt("connection.retries");
            SBoxProperties.CONNECTION_TIMEOUT = config.getLong("connection.timeout");
            SBoxProperties.CORE_POOL_SIZE = config.getInt("core.pool.size");
            SBoxProperties.DB_FILE = config.getString("db.file");
            SBoxProperties.INTER_SBOX_PORT = config.getInt("inter.sbox.port");
            SBoxProperties.MAX_FETCHING_TIME = config.getLong("max.fetching.time");

            SBoxProperties.LOG_TRAFFIC_DETAILS = config.getBoolean("log.traffic.details");
            SBoxProperties.TRAFFIC_DETAILS_FILE_PATH = config.getString("traffic.details.file.path");
            SBoxProperties.TRAFFIC_DETAILS_FILE_NAME = config.getString("traffic.details.file.name");

            SBoxProperties.DEFAULT_REF_VECTOR_FILE = config.getString("default.ref.vector.file");

        } catch (ConfigurationException e) {
            logger.warn("Exception while loading configuration file " + SBoxProperties.PROPERTIES_FILE_NAME + ".");

        } catch (ConversionException e2) {
            logger.warn("Invalid format of configuration parameters, using default.");

        }

        logger.debug("Configuration parameters: \n" + "connection.retries: " + SBoxProperties.CONNECTION_RETRIES
                + "\n" + "connection.timeout: " + SBoxProperties.CONNECTION_TIMEOUT + "\n" + "core.pool.size: "
                + SBoxProperties.CORE_POOL_SIZE + "\n" + "db.file: " + SBoxProperties.DB_FILE + "\n"
                + "inter.sbox.port: " + SBoxProperties.INTER_SBOX_PORT + "\n" + "max.fetching.time: "
                + SBoxProperties.MAX_FETCHING_TIME + "\n" + "log.traffic.details: "
                + SBoxProperties.LOG_TRAFFIC_DETAILS + "\n" + "traffic.details.file.path: "
                + SBoxProperties.TRAFFIC_DETAILS_FILE_PATH + "\n" + "traffic.details.file.name: "
                + SBoxProperties.TRAFFIC_DETAILS_FILE_NAME + "\n" + "default.ref.vector.file: "
                + SBoxProperties.DEFAULT_REF_VECTOR_FILE);
    }

}