coreupdatechecker.java

来自「Azureus is a powerful, full-featured, cr」· Java 代码 · 共 767 行 · 第 1/2 页

/*
 * Created on 20-May-2004
 * Created by Paul Gardner
 * Copyright (C) 2004 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * AELITIS, SARL au capital de 30,000 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

package org.gudy.azureus2.update;

/**
 * @author parg
 *
 */

import java.util.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.io.*;

import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.config.*;
import org.gudy.azureus2.core3.html.*;

import org.gudy.azureus2.plugins.*;
import org.gudy.azureus2.plugins.logging.*;
import org.gudy.azureus2.plugins.update.*;
import org.gudy.azureus2.plugins.utils.resourcedownloader.*;

import com.aelitis.azureus.core.clientstats.*;

public class 
CoreUpdateChecker
	implements Plugin, UpdatableComponent
{
	public static final String	LATEST_VERSION_PROPERTY	= "latest_version";
	
	public static final int	RD_GET_DETAILS_RETRIES	= 3;
	public static final int	RD_GET_MIRRORS_RETRIES	= 3;
	
	public static final int	RD_SIZE_RETRIES	= 3;
	public static final int	RD_SIZE_TIMEOUT	= 10000;

	protected static CoreUpdateChecker		singleton;
	
	protected PluginInterface				plugin_interface;
	protected ResourceDownloaderFactory 	rdf;
	protected LoggerChannel					log;
	protected ResourceDownloaderListener	rd_logger;
	
	public static void
	doUsageStats()
	{
		singleton.doUsageStatsSupport();
	}
	
	public
	CoreUpdateChecker()
	{
		singleton	= this;
	}
	
	protected void
	doUsageStatsSupport()
	{
		try{
				// don't do any kind of reporting if the user doesn't want to
			
			if ( COConfigurationManager.getBooleanParameter("Send Version Info")){
				
        performStatsServerUpdate();
				
				log.log( "Anonymous ID usage report ok" );
			}
		}catch( Throwable e ){
			
			log.log( "Anonymous ID usage report fails", e );
		}
	}

	
	public void
	initialize(
		PluginInterface		_plugin_interface )
	{
		plugin_interface	= _plugin_interface;
		
		plugin_interface.getPluginProperties().setProperty( "plugin.name", "Core Updater" );
		
		log	= plugin_interface.getLogger().getChannel("CoreUpdater");
		
		rd_logger =
			new ResourceDownloaderAdapter()
			{
				public void
				reportActivity(
					ResourceDownloader	downloader,
					String				activity )
				{
					log.log( activity );
				}
			};
			
		Properties	props = plugin_interface.getPluginProperties();
							
		props.setProperty( "plugin.version", plugin_interface.getAzureusVersion());
		
		rdf = plugin_interface.getUtilities().getResourceDownloaderFactory();
	
		plugin_interface.getUpdateManager().registerUpdatableComponent( this, true );
	}
	
	public String
	getName()
	{
		return( "Azureus Core" );
	}
	
	public int
	getMaximumCheckTime()
	{
		return( ( RD_SIZE_RETRIES * RD_SIZE_TIMEOUT )/1000);
	}	

	public void
	checkForUpdate(
		final UpdateChecker	checker )
	{
		try{			
			String	current_version = plugin_interface.getAzureusVersion();
			
			log.log( "Update check starts: current = " + current_version );
									
			boolean	TESTING = false;	// !!!!TODO: REMOVE THIS
			
			if ( TESTING ){
			
				System.out.println( "CoreUpdater: !!!! Testing mode !!!!" );
				
			}
					
			Map	decoded = performStatsServerUpdate();
			
			String latest_version 			= null;
			String latest_file_name			= null;
			
			byte[] b_version = (byte[])decoded.get("version");
			
			if ( b_version != null ){
			
				latest_version = new String( b_version );
				
				plugin_interface.getPluginProperties().setProperty( LATEST_VERSION_PROPERTY, latest_version );
				
			}else{
				
				throw( new Exception( "No version found in reply" ));
			}
			
			byte[] b_filename = (byte[]) decoded.get("filename");
			
			if ( b_filename != null ){
			
				latest_file_name = new String( b_filename );
			}
			
			String	msg = "Core: latest_version = '" + latest_version + "', file = '" + latest_file_name + "'";
			
			checker.reportProgress( msg );
			
			log.log( msg );
			
			boolean	latest_is_cvs	= Constants.isCVSVersion( latest_version );
			String	latest_base		= Constants.getBaseVersion( latest_version );
			
			String	current_base	= Constants.getBaseVersion();
				
				// currently we upgrade from, for example
				//  1) 2.0.8.4     -> 2.0.8.6
				//	2) 2.0.8.5_CVS -> 2.0.8.6
				// but not to a CVS version (also currently never reported as latest...)
				
			if ( latest_is_cvs && !TESTING ){
				
				return;
			}

			if ( Constants.compareVersions( current_base, latest_base ) >= 0 && !TESTING){
				
				return;
			}
			
			final String	f_latest_version	= latest_version;
			final String	f_latest_file_name	= latest_file_name;
			

			ResourceDownloader[]	primary_mirrors;
			
			if ( TESTING ){
				
				primary_mirrors = getTestMirrors();
				
			}else{
				
				primary_mirrors = getPrimaryDownloaders( latest_file_name );
			}

				// the download hierarchy is primary mirrors first (randomised alternate)
				// then backup mirrors (randomised alternate)
			
				// we don't want to load the backup mirrors until the primary mirrors fail
			
			ResourceDownloader		random_primary_mirrors = rdf.getRandomDownloader( primary_mirrors );
			
			ResourceDownloader		backup_downloader =
				rdf.create(
					new ResourceDownloaderDelayedFactory()
					{
						public ResourceDownloader
						create()
						{
							ResourceDownloader[]	backup_mirrors = getBackupDownloaders( f_latest_file_name );
						
							return( rdf.getRandomDownloader( backup_mirrors ));
						}
					});
			
			ResourceDownloader	top_downloader = 
				rdf.getAlternateDownloader( 
						new ResourceDownloader[]
							{
								random_primary_mirrors,
								backup_downloader,
							});
			

			top_downloader.addListener( rd_logger );
			
				// get size so it is cached
			
			top_downloader.getSize();		
							
			top_downloader.addListener( 
					new ResourceDownloaderAdapter()
					{
						public boolean
						completed(
							final ResourceDownloader	downloader,
							InputStream					data )
						{	
							installUpdate( checker, downloader, f_latest_version, data );
									
							return( true );
						}
					});

			byte[]	info_b = (byte[])decoded.get( "info" );
			
			String	info = null;
			
			if ( info_b != null ){
			
				try{
					info = new String( info_b );
				
				}catch( Throwable e ){
					
					Debug.printStackTrace( e );
				}
			}
			
			String[]	desc;
			
			if ( info == null ){
				
				desc = new String[]{"Core Azureus Version" };
				
			}else{
				
				desc = new String[]{"Core Azureus Version", info };
			}
			
			checker.addUpdate(
						"Core Azureus Version",
						desc,
						latest_version,
						top_downloader,
						Update.RESTART_REQUIRED_YES );
			
		}catch( Throwable e ){
			
			log.log( e );
			
			Debug.printStackTrace( e );
			
			checker.failed();
			
		}finally{
			
			checker.completed();
		}
	}
	
  
  
  
  /**
   * Connect to stats server and send info update.
   * @return reply message from server
   * @throws Exception
   */
  protected Map performStatsServerUpdate() throws Exception {
    SocketChannel channel = null;
    
    try{
      channel = SocketChannel.open();
      channel.configureBlocking( true );
      channel.connect( new InetSocketAddress( "azureus.aelitis.com", 6868 ) );
      channel.finishConnect();
    
      ByteBuffer message = ByteBuffer.wrap( BEncoder.encode( constructStatsServerMessage() ) );
    
      StreamEncoder encoder = new StreamEncoder( "AZH", message );
    
      while( true ) {  //send message
        if( encoder.encode( channel ) ) {
          break;
        }
      }
    
      StreamDecoder decoder = new StreamDecoder( "AZR" );
    
      ByteBuffer reply;
      while( true ) {  //receive reply
        reply = decoder.decode( channel );
        if( reply != null ) {
          break;
        }
      }
    
      Map reply_message = BDecoder.decode( reply.array() );
    
      displayUserMessage( reply_message );
      
      return reply_message;
    }
    finally {
      if( channel != null )  channel.close();
    }
  }
  
  
  /**
   * Get the message to be sent to the stats server
   * @return map to be bencoded
   */
  private Map constructStatsServerMessage() {
    Map message = new HashMap();
    
    String id = COConfigurationManager.getStringParameter("ID",null);
    
    if ( id != null && COConfigurationManager.getBooleanParameter("Send Version Info")){
      
      message.put( "id", id );
      message.put( "version", Constants.AZUREUS_VERSION );
      message.put( "os", Constants.OSName );