com.biggerbytes.scheduleupdates.Main.java Source code

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Here is the source code for com.biggerbytes.scheduleupdates.Main.java

Source

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package com.biggerbytes.scheduleupdates;

import com.biggerbytes.scheduleupdates.serverdatarecievers.ScheduleChange;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;
import org.apache.commons.lang3.ArrayUtils;

/**
 *
 * @author Avishay
 */
public class Main {
    private static List<ScheduleChange> changeArr = null;
    private static Long refreshDelay = (30l * 60l * 1000l); //    =   30m in milliseconds
    private static Thread infoReadThread = null;
    private static Boolean readDataFromThread = true;
    private static FileHandler fh;

    public static Map<Integer, ScheduleChange[]> dummyChanges = new HashMap<Integer, ScheduleChange[]>();
    public static Logger logger = Logger.getLogger("ServerLogger"); // Hooray for logging!
    public static final Boolean LOG = false;
    public static Integer threadCount = 0;
    public static Queue<Socket> clientsQ = new LinkedBlockingQueue<>();

    /**
     * 
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        java.util.logging.Logger.getLogger("com.gargoylesoftware").setLevel(Level.OFF); // In order to remove all the log warnings, THANK GOD IT IS THAT SIMPLE
        final int PORT = 25565;
        ServerSocket serverSocket = null;

        // Logger initialization 
        if (LOG) {
            fh = new FileHandler("serv_log.log", true); //It will create a new file everytime we start the server because the previous log is locked, I am not really sure where to close the handler.
            logger.addHandler(fh);
            SimpleFormatter formatter = new SimpleFormatter();
            fh.setFormatter(formatter);
        }
        //        /* Dummy Test */
        //        List<Byte> command = new ArrayList<>();
        //        command.add(CommandConstants.SCEHDULES_HEADER);
        //        command.add(CommandConstants.ADD_SUB_DUMMY);
        //        command.add((byte) 24);
        //        command.addAll(Arrays.asList(ArrayUtils.toObject("05".getBytes())));
        //        command.addAll(Arrays.asList(ArrayUtils.toObject("20.03.2016".getBytes())));
        //        command.addAll(Arrays.asList(ArrayUtils.toObject(" ".getBytes())));
        //        System.out.println("Size is " + command.size());
        //        byte[] commandArr = new byte[command.size()];
        //        for (int i = 0; i < commandArr.length; ++i)
        //            commandArr[i] = command.get(i);
        //        CommandProcessor.executeCommand(commandArr);
        /* Dummy Test End - TESTED, IT WORKS*/

        /* Dummy removal */
        //        byte[] remvCommand = new byte[3];
        //        remvCommand[0] = CommandConstants.SCEHDULES_HEADER;
        //        remvCommand[1] = CommandConstants.REMOVE_ALL_DUMMIES_FROM_ID;
        //        remvCommand[2] = (byte) 24;
        //        
        //        CommandProcessor.executeCommand(remvCommand);
        //        /* Dummy removal end - TESTED, WORKS*/

        try {
            serverSocket = new ServerSocket(PORT);
            initDataRefreshThread();
            infoReadThread.start();
        } catch (Exception e) {
            if (LOG)
                logger.info("Couldn't listen on port " + PORT);
            System.exit(-1);
        }

        new CreateClientThread().start(); //Setup thread for creating threads for clients

        while (true) {
            System.out.println("waiting");
            if (LOG)
                logger.info("Waiting for a client."); //TODO wait for the server to finish loading data then start waiting for a client
            Socket clientSocket = serverSocket.accept();
            clientsQ.add(clientSocket);
        }
    }

    /**
     * Redownloads the data with the constant interval called 'refreshDelay' as the time factor
     */
    public static void initDataRefreshThread() {
        Runnable runnable = () -> {
            try {
                while (true) { // Thread running in the background all the time
                    if (readDataFromThread)
                        DataFactory.loadData();
                    synchronized (Thread.currentThread()) {
                        Thread.currentThread().sleep(refreshDelay);
                    }
                }
            } catch (InterruptedException | IOException e) {
                e.printStackTrace();
            }
        };
        infoReadThread = new Thread(runnable, "DataRefreshThread");
    }

    public static void setRefreshDelay(Long milliseconds) {
        refreshDelay = milliseconds;
    }

    public static void setThreadState(Boolean state) {
        readDataFromThread = state;
    }

}