src/org/sonews/Main.java
author cli
Sun Sep 11 17:01:19 2011 +0200 (2011-09-11)
changeset 49 8df94bfd3e2f
parent 45 7e24949b87b0
child 66 c04eae2c57df
permissions -rwxr-xr-x
Fix for #14
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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 java.util.logging.Level;
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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.CommandSelector;
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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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	/** Version information of the sonews daemon */
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	public static final String VERSION = "sonews/1.1.0";
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	/** The server's startup date */
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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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		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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			if (args[n].equals("-c") || args[n].equals("-config")) {
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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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			} else if (args[n].equals("-dumpjdbcdriver")) {
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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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					System.out.println(drvs.nextElement());
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				}
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				return;
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			} else if (args[n].equals("-feed")) {
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				feed = true;
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			} else if (args[n].equals("-h") || args[n].equals("-help")) {
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				printArguments();
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				return;
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			} else if (args[n].equals("-mlgw")) {
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				mlgw = true;
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			} else if (args[n].equals("-p")) {
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				port = Integer.parseInt(args[++n]);
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			} else if (args[n].equals("-plugin-storage")) {
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				System.out.println("Warning: -plugin-storage is not implemented!");
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			} else if (args[n].equals("-plugin-command")) {
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				try {
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					CommandSelector.addCommandHandler(args[++n]);
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				} catch (Exception ex) {
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					StringBuilder strBuf = new StringBuilder();
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					strBuf.append("Could not load command plugin: ");
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					strBuf.append(args[n]);
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					Log.get().warning(strBuf.toString());
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					Log.get().log(Level.INFO, "Main.java", ex);
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				}
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			} else if (args[n].equals("-plugin-storage")) {
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				System.out.println("Warning: -plugin-storage is not implemented!");
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			} else if (args[n].equals("-v") || args[n].equals("-version")) {
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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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			String provName = Config.inst().get(Config.LEVEL_FILE,
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					Config.STORAGE_PROVIDER, "org.sonews.storage.impl.JDBCDatabaseProvider");
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			StorageProvider sprov = StorageManager.loadProvider(provName);
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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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				StorageManager.current().addGroup("control", 0);
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				Log.get().info("Group 'control' created.");
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			}
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		} catch (StorageBackendException ex) {
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			Log.get().log(Level.SEVERE, ex.getLocalizedMessage(), ex);
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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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			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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			new MailPoller().start();
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		}
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		// Start feeds
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		if (feed) {
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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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		String usage = Resource.getAsString("helpers/usage", true);
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		System.out.println(usage);
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	}
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	private Main() {
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	}
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}