org/sonews/Main.java
author cli
Thu, 20 Aug 2009 21:31:03 +0200
changeset 16 5a4a41cfc0a3
parent 15 f2293e8566f5
child 21 4b2c8bedb094
permissions -rw-r--r--
Issue #538 fixed.
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/*
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 *   SONEWS News Server
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 *   see AUTHORS for the list of contributors
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 *
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 *   This program is free software: you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation, either version 3 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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package org.sonews;
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import java.sql.Driver;
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import java.sql.DriverManager;
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import java.util.Enumeration;
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import java.util.Date;
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import org.sonews.config.Config;
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import org.sonews.daemon.ChannelLineBuffers;
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import org.sonews.daemon.Connections;
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import org.sonews.daemon.NNTPDaemon;
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import org.sonews.feed.FeedManager;
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import org.sonews.mlgw.MailPoller;
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import org.sonews.storage.StorageBackendException;
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import org.sonews.storage.StorageManager;
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import org.sonews.storage.StorageProvider;
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import org.sonews.util.Log;
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import org.sonews.util.Purger;
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import org.sonews.util.io.Resource;
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/**
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 * Startup class of the daemon.
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 * @author Christian Lins
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 * @since sonews/0.5.0
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 */
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public final class Main
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{
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  private Main()
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  {
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  }
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  /** Version information of the sonews daemon */
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  public static final String VERSION = "sonews/1.1.0";
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  public static final Date   STARTDATE = new Date();
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  /**
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   * The main entrypoint.
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   * @param args
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   * @throws Exception
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   */
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  public static void main(String[] args) throws Exception
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  {
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    System.out.println(VERSION);
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    Thread.currentThread().setName("Mainthread");
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    // Command line arguments
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    boolean feed    = false;  // Enable feeding?
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    boolean mlgw    = false;  // Enable Mailinglist gateway?
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    int     port    = -1;
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    for(int n = 0; n < args.length; n++)
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    {
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      if(args[n].equals("-c") || args[n].equals("-config"))
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      {
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        Config.inst().set(Config.LEVEL_CLI, Config.CONFIGFILE, args[++n]);
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        System.out.println("Using config file " + args[n]);
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      }
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      else if(args[n].equals("-dumpjdbcdriver"))
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      {
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        System.out.println("Available JDBC drivers:");
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        Enumeration<Driver> drvs =  DriverManager.getDrivers();
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        while(drvs.hasMoreElements())
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        {
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          System.out.println(drvs.nextElement());
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        }
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        return;
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      }
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      else if(args[n].equals("-feed"))
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      {
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        feed = true;
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      }
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      else if(args[n].equals("-h") || args[n].equals("-help"))
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      {
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        printArguments();
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        return;
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      }
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      else if(args[n].equals("-mlgw"))
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      {
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        mlgw = true;
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      }
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      else if(args[n].equals("-p"))
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      {
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        port = Integer.parseInt(args[++n]);
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      }
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      else if(args[n].equals("-v") || args[n].equals("-version"))
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      {
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        // Simply return as the version info is already printed above
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        return;
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      }
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    }
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    // Try to load the JDBCDatabase;
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    // Do NOT USE BackendConfig or Log classes before this point because they require
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    // a working JDBCDatabase connection.
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    try
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    {
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      StorageProvider sprov =
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        StorageManager.loadProvider("org.sonews.storage.impl.JDBCDatabaseProvider");
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      StorageManager.enableProvider(sprov);
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      // Make sure some elementary groups are existing
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      if(!StorageManager.current().isGroupExisting("control"))
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      {
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        StorageManager.current().addGroup("control", 0);
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        Log.get().info("Group 'control' created.");
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      }
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    }
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    catch(StorageBackendException ex)
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    {
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      ex.printStackTrace();
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      System.err.println("Database initialization failed with " + ex.toString());
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      System.err.println("Make sure you have specified the correct database" +
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        " settings in sonews.conf!");
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      return;
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    }
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    ChannelLineBuffers.allocateDirect();
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    // Add shutdown hook
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    Runtime.getRuntime().addShutdownHook(new ShutdownHook());
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    // Start the listening daemon
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    if(port <= 0)
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    {
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      port = Config.inst().get(Config.PORT, 119);
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    }
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    final NNTPDaemon daemon = NNTPDaemon.createInstance(port);
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    daemon.start();
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    // Start Connections purger thread...
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    Connections.getInstance().start();
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    // Start mailinglist gateway...
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    if(mlgw)
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    {
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      new MailPoller().start();
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    }
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    // Start feeds
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    if(feed)
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    {
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      FeedManager.startFeeding();
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    }
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    Purger purger = new Purger();
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    purger.start();
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    // Wait for main thread to exit (setDaemon(false))
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    daemon.join();
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  }
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  private static void printArguments()
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  {
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    String usage = Resource.getAsString("helpers/usage", true);
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    System.out.println(usage);
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  }
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}