/*
* File : DownloadManagerImpl.java
* Created : 06-Jan-2004
* By : parg
*
* Azureus - a Java Bittorrent client
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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
*/
package org.gudy.azureus2.pluginsimpl.local.download;
/**
* @author parg
*
*/
import java.util.*;
import java.io.File;
import java.net.URL;
import com.aelitis.azureus.core.*;
import com.aelitis.azureus.core.util.CopyOnWriteList;
import org.gudy.azureus2.plugins.torrent.*;
import org.gudy.azureus2.plugins.ui.UIManagerEvent;
import org.gudy.azureus2.pluginsimpl.local.torrent.*;
import org.gudy.azureus2.pluginsimpl.local.ui.UIManagerImpl;
import org.gudy.azureus2.plugins.download.DownloadException;
import org.gudy.azureus2.plugins.download.Download;
import org.gudy.azureus2.plugins.download.DownloadEventNotifier;
import org.gudy.azureus2.plugins.download.DownloadManagerListener;
import org.gudy.azureus2.plugins.download.DownloadManagerStats;
import org.gudy.azureus2.plugins.download.DownloadRemovalVetoException;
import org.gudy.azureus2.plugins.download.DownloadWillBeAddedListener;
import org.gudy.azureus2.core3.torrent.*;
import org.gudy.azureus2.core3.config.*;
import org.gudy.azureus2.core3.global.*;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.download.*;
import org.gudy.azureus2.core3.util.*;
public class
DownloadManagerImpl
implements org.gudy.azureus2.plugins.download.DownloadManager, DownloadManagerInitialisationAdapter
{
protected static DownloadManagerImpl singleton;
protected static AEMonitor class_mon = new AEMonitor( "DownloadManager:class");
public static DownloadManagerImpl
getSingleton(
AzureusCore azureus_core )
{
try{
class_mon.enter();
if ( singleton == null ){
singleton = new DownloadManagerImpl( azureus_core );
}
return( singleton );
}finally{
class_mon.exit();
}
}
//private AzureusCore azureus_core;
private GlobalManager global_manager;
private DownloadManagerStats stats;
private DownloadEventNotifierImpl global_dl_notifier;
private List listeners = new ArrayList();
private CopyOnWriteList dwba_listeners = new CopyOnWriteList();
private AEMonitor listeners_mon = new AEMonitor( "DownloadManager:L");
private List downloads = new ArrayList();
private Map pending_dls = new HashMap();
private Map download_map = new HashMap();
protected
DownloadManagerImpl(
AzureusCore _azureus_core )
{
//azureus_core = _azureus_core;
global_manager = _azureus_core.getGlobalManager();
stats = new DownloadManagerStatsImpl( global_manager );
global_dl_notifier = new DownloadEventNotifierImpl(this);
global_manager.addListener(
new GlobalManagerListener()
{
public void
downloadManagerAdded(
DownloadManager dm )
{
addDownloadManager( dm );
}
public void
downloadManagerRemoved(
DownloadManager dm )
{
List listeners_ref = null;
DownloadImpl dl = null;
try{
listeners_mon.enter();
dl = (DownloadImpl)download_map.get( dm );
if ( dl == null ){
System.out.println( "DownloadManager:unknown manager removed");
}else{
downloads.remove( dl );
download_map.remove( dm );
pending_dls.remove( dm );
dl.destroy();
listeners_ref = listeners;
}
}finally{
listeners_mon.exit();
}
if ( dl != null ){
for (int i=0;i<listeners_ref.size();i++){
((DownloadManagerListener)listeners_ref.get(i)).downloadRemoved( dl );
}
}
}
public void
destroyInitiated()
{
}
public void
destroyed()
{
}
public void seedingStatusChanged( boolean seeding_only_mode ){
//TODO
}
});
global_manager.addDownloadWillBeRemovedListener(
new GlobalManagerDownloadWillBeRemovedListener()
{
public void
downloadWillBeRemoved(
DownloadManager dm,
boolean remove_torrent,
boolean remove_data )
throws GlobalManagerDownloadRemovalVetoException
{
DownloadImpl download = (DownloadImpl)download_map.get( dm );
if ( download != null ){
try{
download.isRemovable();
}catch( DownloadRemovalVetoException e ){
throw( new GlobalManagerDownloadRemovalVetoException( e.getMessage(),e.isSilent()));
}
}
}
});
}
public void
addDownload(
final File fileName )
{
UIManagerImpl.fireEvent( UIManagerEvent.ET_OPEN_TORRENT_VIA_FILE, fileName );
}
public void
addDownload(
final URL url)
{
addDownload(url,null,true);
}
public void
addDownload(
URL url,
boolean auto_download )
throws DownloadException
{
addDownload(url,null,auto_download);
}
public void
addDownload(
final URL url,
final URL referrer)
{
addDownload(url,referrer,true);
}
public void
addDownload(
final URL url,
final URL referrer,
boolean auto_download )
{
UIManagerImpl.fireEvent( UIManagerEvent.ET_OPEN_TORRENT_VIA_URL, new Object[]{ url, referrer, new Boolean( auto_download )});
}
protected void
addDownloadManager(
DownloadManager dm )
{
List listeners_ref = null;
DownloadImpl dl = null;
try{
listeners_mon.enter();
if ( download_map.get(dm) == null ){
dl = (DownloadImpl)pending_dls.remove( dm );
if ( dl == null ){
dl = new DownloadImpl(dm);
}
downloads.add( dl );
download_map.put( dm, dl );
listeners_ref = listeners;
}
}finally{
listeners_mon.exit();
}
if ( dl != null ){
for (int i=0;i<listeners_ref.size();i++){
try{
((DownloadManagerListener)listeners_ref.get(i)).downloadAdded( dl );
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}
}
public Download
addDownload(
Torrent torrent )
throws DownloadException
{
return( addDownload( torrent, null, null ));
}
public Download
addDownload(
Torrent torrent,
File torrent_file,
File data_location )
throws DownloadException
{
return( addDownload( torrent, torrent_file, data_location, getInitialState()));
}
public Download
addDownload(
Torrent torrent,
File torrent_file,
File data_location,
int initial_state )
throws DownloadException
{
if ( torrent_file == null ){
String torrent_dir = null;
if( COConfigurationManager.getBooleanParameter("Save Torrent Files")){
try{
torrent_dir = COConfigurationManager.getDirectoryParameter("General_sDefaultTorrent_Directory");
}catch(Exception egnore){}
}
if ( torrent_dir == null || torrent_dir.length() == 0 ){
throw( new DownloadException("DownloadManager::addDownload: default torrent save directory must be configured" ));
}
torrent_file = new File( torrent_dir + File.separator + torrent.getName() + ".torrent" );
try{
torrent.writeToFile( torrent_file );
}catch( TorrentException e ){
throw( new DownloadException("DownloadManager::addDownload: failed to write torrent to '" + torrent_file.toString() + "'", e ));
}
}
else {
if (!torrent_file.exists()) {
throw new DownloadException("DownloadManager::addDownload: torrent file does not exist - " + torrent_file.toString());
}
else if (!torrent_file.isFile()) {
throw new DownloadException("DownloadManager::addDownload: torrent filepath given is not a file - " + torrent_file.toString());
}
}
if ( data_location == null ){
String data_dir = COConfigurationManager.getStringParameter("Default save path");
if ( data_dir == null || data_dir.length() == 0 ){
throw( new DownloadException("DownloadManager::addDownload: default data save directory must be configured" ));
}
data_location = new File(data_dir);
FileUtil.mkdirs(data_location);
}
byte[] hash = null;
try {
hash = torrent.getHash();
} catch (Exception e) { }
boolean for_seeding = torrent.isComplete();
DownloadManager dm = global_manager.addDownloadManager(
torrent_file.toString(), hash, data_location.toString(),
initial_state, true, for_seeding, null );
if ( dm == null ){
throw( new DownloadException( "DownloadManager::addDownload - failed, download may already in the process of being added"));
}
addDownloadManager( dm );
return( getDownload( dm ));
}
public Download
addDownloadStopped(
Torrent torrent,
File torrent_location,
File data_location )
throws DownloadException
{
return( addDownload( torrent, torrent_location, data_location, DownloadManager.STATE_STOPPED ));
}
public Download
addNonPersistentDownload(
Torrent torrent,
File torrent_file,
File data_location )
throws DownloadException
{
byte[] hash = null;
try {
hash = torrent.getHash();
} catch (Exception e) { }
DownloadManager dm = global_manager.addDownloadManager(
torrent_file.toString(), hash, data_location.toString(),
getInitialState(), false);
if ( dm == null ){
throw( new DownloadException( "DownloadManager::addDownload - failed"));
}
addDownloadManager( dm );
return( getDownload( dm ));
}
protected int
getInitialState()
{
boolean default_start_stopped = COConfigurationManager.getBooleanParameter( "Default Start Torrents Stopped" );
return( default_start_stopped?DownloadManager.STATE_STOPPED:DownloadManager.STATE_WAITING);
}
protected DownloadImpl
getDownload(
DownloadManager dm )
throws DownloadException
{
DownloadImpl dl = (DownloadImpl)download_map.get(dm);
if ( dl == null ){
throw( new DownloadException("DownloadManager::getDownload: download not found"));
}
return( dl );
}
public static DownloadImpl[] getDownloadStatic(DownloadManager[] dm) {
ArrayList res = new ArrayList(dm.length);
for (int i=0; i<dm.length; i++) {
try {res.add(getDownloadStatic(dm[i]));}
catch (DownloadException de) {}
}
return (DownloadImpl[])res.toArray(new DownloadImpl[res.size()]);
}
/**
* Retrieve the plugin Downlaod object related to the DownloadManager
*
* @param dm DownloadManager to find
* @return plugin object
* @throws DownloadException
*/
public static DownloadImpl
getDownloadStatic(
DownloadManager dm )
throws DownloadException
{
if ( singleton != null ){
return( singleton.getDownload( dm ));
}
throw( new DownloadException( "DownloadManager not initialised"));
}
public static Download
getDownloadStatic(
DiskManager dm )
throws DownloadException
{
if ( singleton != null ){
return( singleton.getDownload( dm ));
}
throw( new DownloadException( "DownloadManager not initialised"));
}
public Download
getDownload(
DiskManager dm )
throws DownloadException
{
List dls = global_manager.getDownloadManagers();
for (int i=0;i<dls.size();i++){
DownloadManager man = (DownloadManager)dls.get(i);
if ( man.getDiskManager() == dm ){
return( getDownload( man.getTorrent()));
}
}
return( null );
}
protected Download
getDownload(
TOTorrent torrent )
throws DownloadException
{
if ( torrent != null ){
for (int i=0;i<downloads.size();i++){
Download dl = (Download)downloads.get(i);
TorrentImpl t = (TorrentImpl)dl.getTorrent();
// can be null if broken torrent
if ( t == null ){
continue;
}
if ( t.getTorrent().hasSameHashAs( torrent )){
return( dl );
}
}
}
throw( new DownloadException("DownloadManager::getDownload: download not found"));
}
public static Download
getDownloadStatic(
TOTorrent torrent )
throws DownloadException
{
if ( singleton != null ){
return( singleton.getDownload( torrent ));
}
throw( new DownloadException( "DownloadManager not initialised"));
}
public Download
getDownload(
Torrent _torrent )
{
TorrentImpl torrent = (TorrentImpl)_torrent;
try{
return( getDownload( torrent.getTorrent()));
}catch( DownloadException e ){
}
return( null );
}
public Download
getDownload(
byte[] hash )
{
List dls = global_manager.getDownloadManagers();
for (int i=0;i<dls.size();i++){
DownloadManager man = (DownloadManager)dls.get(i);
// torrent can be null if download manager torrent file read fails
TOTorrent torrent = man.getTorrent();
if ( torrent != null ){
try{
if ( Arrays.equals( torrent.getHash(), hash )){
return( getDownload( torrent ));
}
}catch( DownloadException e ){
// not found
}catch( TOTorrentException e ){
Debug.printStackTrace( e );
}
}
}
return( null );
}
public Download[]
getDownloads()
{
List res_l = new ArrayList();
// we have to use the global manager's ordering as it
// hold this
List dms = global_manager.getDownloadManagers();
try{
listeners_mon.enter();
for (int i=0;i<dms.size();i++){
Object dl = download_map.get( dms.get(i));
if ( dl != null ){
res_l.add( dl );
}
}
if ( res_l.size() < downloads.size()){
// now add in any external downloads
for (int i=0;i<downloads.size();i++){
Download download = (Download)downloads.get(i);
if ( !res_l.contains( download )){
res_l.add( download );
}
}
}
}finally{
listeners_mon.exit();
}
Download[] res = new Download[res_l.size()];
res_l.toArray( res );
return( res );
}
public Download[]
getDownloads(boolean bSorted)
{
if (bSorted){
return getDownloads();
}
try{
listeners_mon.enter();
Download[] res = new Download[downloads.size()];
downloads.toArray( res );
return( res );
}finally{
listeners_mon.exit();
}
}
public void
pauseDownloads()
{
global_manager.pauseDownloads();
}
public boolean
canPauseDownloads()
{
return global_manager.canPauseDownloads();
}
public void
resumeDownloads()
{
global_manager.resumeDownloads();
}
public boolean
canResumeDownloads()
{
return global_manager.canResumeDownloads();
}
public void
startAllDownloads()
{
global_manager.startAllDownloads();
}
public void
stopAllDownloads()
{
global_manager.stopAllDownloads();
}
public DownloadManagerStats
getStats()
{
return( stats );
}
public boolean
isSeedingOnly()
{
return( global_manager.isSeedingOnly());
}
public void addListener(DownloadManagerListener l) {addListener(l, true);}
public void addListener(DownloadManagerListener l, boolean notify_of_current_downloads) {
List downloads_copy = null;
try {
listeners_mon.enter();
List new_listeners = new ArrayList(listeners);
new_listeners.add(l);
listeners = new_listeners;
if (notify_of_current_downloads) {
downloads_copy = new ArrayList(downloads);
}
}
finally {
listeners_mon.exit();
}
if (downloads_copy != null) {
for (int i = 0; i < downloads_copy.size(); i++) {
try {l.downloadAdded((Download) downloads_copy.get(i));}
catch (Throwable e) {Debug.printStackTrace(e);}
}
}
}
public void removeListener(DownloadManagerListener l) {removeListener(l, false);}
public void removeListener(DownloadManagerListener l, boolean notify_of_current_downloads) {
List downloads_copy = null;
try {
listeners_mon.enter();
List new_listeners = new ArrayList(listeners);
new_listeners.remove(l);
listeners = new_listeners;
if (notify_of_current_downloads) {
downloads_copy = new ArrayList(downloads);
}
}
finally {
listeners_mon.exit();
}
if (downloads_copy != null) {
for (int i = 0; i < downloads_copy.size(); i++) {
try {l.downloadRemoved((Download) downloads_copy.get(i));}
catch (Throwable e) {Debug.printStackTrace(e);}
}
}
}
public void
initialised(
DownloadManager manager )
{
DownloadImpl dl;
try{
listeners_mon.enter();
dl = new DownloadImpl( manager );
pending_dls.put( manager, dl );
}finally{
listeners_mon.exit();
}
Iterator it = dwba_listeners.iterator();
while( it.hasNext()){
try{
((DownloadWillBeAddedListener)it.next()).initialised(dl);
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
public void
addDownloadWillBeAddedListener(
DownloadWillBeAddedListener listener )
{
try{
listeners_mon.enter();
dwba_listeners.add( listener );
if ( dwba_listeners.size() == 1 ){
global_manager.addDownloadManagerInitialisationAdapter( this );
}
}finally{
listeners_mon.exit();
}
}
public void
removeDownloadWillBeAddedListener(
DownloadWillBeAddedListener listener )
{
try{
listeners_mon.enter();
dwba_listeners.remove( listener );
if ( dwba_listeners.size() == 0 ){
global_manager.removeDownloadManagerInitialisationAdapter( this );
}
}finally{
listeners_mon.exit();
}
}
public void
addExternalDownload(
Download download )
{
List listeners_ref = null;
try{
listeners_mon.enter();
if ( downloads.contains( download )){
return;
}
downloads.add( download );
listeners_ref = listeners;
}finally{
listeners_mon.exit();
}
for (int i=0;i<listeners_ref.size();i++){
try{
((DownloadManagerListener)listeners_ref.get(i)).downloadAdded( download );
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}
public void
removeExternalDownload(
Download download )
{
List listeners_ref = null;
try{
listeners_mon.enter();
if ( !downloads.contains( download )){
return;
}
downloads.remove( download );
listeners_ref = listeners;
}finally{
listeners_mon.exit();
}
for (int i=0;i<listeners_ref.size();i++){
try{
((DownloadManagerListener)listeners_ref.get(i)).downloadRemoved( download );
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}
public DownloadEventNotifier getGlobalDownloadEventNotifier() {
return this.global_dl_notifier;
}
public boolean
isExteralDownload(
Download download )
{
return( !( download instanceof DownloadImpl ));
}
}
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