syslogd.java

與 unix 上相似的syslog daemon, 沒有 log4j 複雜

package com.ice.syslogd;

import java.awt.*;
import java.util.*;
import java.applet.*;

import com.ice.util.UserProperties;


public class
SyslogD
	{
	public static final String		RCS_ID = "$Id: SyslogD.java,v 1.2 1998/07/29 02:13:05 time Exp $";
	public static final String		RCS_REV = "$Revision: 1.2 $";
	public static final String		RCS_NAME = "$Name:  $";

	static public final String		VERSION_STR = "2.2";

	static private Frame			frame;
	static private Applet			applet;
	static private SyslogServer		server;
	static private RepeatThread		repeat;


	static public void
	main( String argv[] )
		{
		boolean		isDaemon = false;
		String		configPath = null;
		String		prefix = "SyslogD";
		Properties	props = new Properties();

		for ( int iArg = 0 ; iArg < argv.length ; ++iArg )
			{
			if ( argv[iArg].equals( "-daemon" ) )
				{
				isDaemon = true;
				}
			else if ( argv[iArg].equals( "-config" )
						&& (iArg + 1) < argv.length )
				{
				configPath = argv[++iArg];
				}
			else if ( argv[iArg].equals( "-prefix" )
						&& (iArg + 1) < argv.length )
				{
				prefix = argv[++iArg];
				}
			else if ( argv[iArg].equals( "-propfile" )
						&& (iArg + 1) < argv.length )
				{
				props.put
					( "SyslogD.global.localPropertyFile",
						argv[++iArg] );
				}
			else if ( argv[iArg].equals( "-?" )
						|| argv[iArg].equals( "-usage" ) )
				{
				SyslogD.printUsage();
				return;
				}
			else
				{
				System.err.println
					( "ERROR unknown option '" + argv[iArg] + "'" );
				SyslogD.printUsage();
				return;
				}
			}

		TimeZone.setDefault( TimeZone.getDefault() );

		UserProperties.setPropertyPrefix( "SyslogD." );

		UserProperties.loadProperties( "com.ice.syslogd", props );

		SyslogConfig config = new SyslogConfig();

		if ( configPath != null )
			{
			config.setConfigPathname( configPath );
			}

		config.loadConfiguration();

		SyslogD.server = new SyslogServer();
		
		SyslogD.server.setConfiguration( config );

		SyslogD.repeat =
			new RepeatThread( config.getConfigEntries() );
		
		if ( ! isDaemon )
			{
			SyslogD.applet =
				new SyslogDApplet( SyslogD.server );

			int x =
				UserProperties.getProperty
					( "mainWindow.x", 20 );
			int y =
				UserProperties.getProperty
					( "mainWindow.y", 20 );
			int w =
				UserProperties.getProperty
					( "mainWindow.width", -1 );
			int h =
				UserProperties.getProperty
					( "mainWindow.height", -1 );
			String title =
				UserProperties.getProperty
					( "mainWindow.title", "SyslogD" );

			SyslogD.frame =
				new SyslogDFrame
					( title, SyslogD.applet, x, y, w, h );
			}

		SyslogD.server.start();

		SyslogD.repeat.start();

		if ( false )
			{
			Runtime rt = Runtime.getRuntime();
			System.err.println
				( "TOTAL: " + rt.totalMemory() +"\n"
					+ "FREE: " + rt.freeMemory() );
			}
		}

	public static void
	printUsage()
		{
		System.err.println( "usage: Syslogd [options...]" );
		System.err.println( "options:" );
		System.err.println
			( "   -daemon             -- "
				+ "run as a daemon (no windows)" );
		System.err.println
			( "   -prefix prefix      -- "
				+ "sets property prefix" );
		System.err.println
			( "   -config filename    -- "
				+ "sets syslog configuration file name" );
		System.err.println
			( "   -propfile filename  -- "
				+ "sets user property file name" );
		}

	}