DownloadManagerImpl.java
| Index Score | ||
|---|---|---|
 |
 |
org.gudy.azureus2.core3.download.impl |
 |
 |
Azureus |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| BLOCKS | Number of blocks | |
| EXEC_COMMENTS | Comments in executable code | |
| CYCLOMATIC | Cyclomatic complexity | |
| WHITESPACE | Number of whitespace lines | |
| LINES | Number of lines in the source file | |
| LOC | Lines of code | |
| EXITS | Procedure exits | |
| ELOC | Effective lines of code | |
| SIZE | Size of the file in bytes | |
| COMPARISONS | Number of comparison operators | |
| RETURNS | Number of return points from functions | |
| FUNCTIONS | Number of function declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| OPERATORS | Number of operators | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| UNIQUE_OPERANDS | Number of unique operands | |
| OPERANDS | Number of operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0170 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| COMMENTS | Comment lines | |
| LOOPS | Number of loops | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0264 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0278 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0077 | JAVA0077 Private field not used in declaring class | |
| BLOCK_COMMENT | Number of block comment lines | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| NEST_DEPTH | Maximum nesting depth | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| JAVA0138 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
/*
* File : DownloadManagerImpl.java
* Created : 19-Oct-2003
* 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.core3.download.impl;
/*
* Created on 30 juin 2003
*
*/
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.util.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.config.ParameterListener;
import org.gudy.azureus2.core3.config.impl.TransferSpeedValidator;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerFactory;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfoSet;
import org.gudy.azureus2.core3.disk.impl.DiskManagerImpl;
import org.gudy.azureus2.core3.download.*;
import org.gudy.azureus2.core3.global.GlobalManager;
import org.gudy.azureus2.core3.global.GlobalManagerStats;
import org.gudy.azureus2.core3.internat.LocaleTorrentUtil;
import org.gudy.azureus2.core3.internat.LocaleUtilDecoder;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.peer.PEPeer;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.peer.PEPiece;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.torrent.TOTorrentAnnounceURLSet;
import org.gudy.azureus2.core3.torrent.TOTorrentException;
import org.gudy.azureus2.core3.tracker.client.*;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.plugins.download.DownloadAnnounceResult;
import org.gudy.azureus2.plugins.download.DownloadScrapeResult;
import org.gudy.azureus2.plugins.download.savelocation.SaveLocationChange;
import org.gudy.azureus2.plugins.network.ConnectionManager;
import com.aelitis.azureus.core.AzureusCoreOperation;
import com.aelitis.azureus.core.AzureusCoreOperationTask;
import com.aelitis.azureus.core.networkmanager.LimitedRateGroup;
import com.aelitis.azureus.core.networkmanager.NetworkManager;
import com.aelitis.azureus.core.peermanager.control.PeerControlSchedulerFactory;
import com.aelitis.azureus.core.util.CaseSensitiveFileMap;
import com.aelitis.azureus.core.util.CopyOnWriteList;
/**
* @author Olivier
*
*/
public class
DownloadManagerImpl
extends LogRelation
implements DownloadManager
{
private final static long SCRAPE_DELAY_ERROR_TORRENTS = 1000 * 60 * 60 * 2;// 2 hrs
private final static long SCRAPE_DELAY_STOPPED_TORRENTS = 1000 * 60 * 60; // 1 hr
private final static long SCRAPE_INITDELAY_ERROR_TORRENTS = 1000 * 60 * 10;
private final static long SCRAPE_INITDELAY_STOPPED_TORRENTS = 1000 * 60 * 3;
private static int upload_when_busy_min_secs;
static{
COConfigurationManager.addAndFireParameterListener(
"max.uploads.when.busy.inc.min.secs",
new ParameterListener()
{
public void
parameterChanged(
String name )
{
upload_when_busy_min_secs = COConfigurationManager.getIntParameter( name );
}
});
}
private static final String CFG_MOVE_COMPLETED_TOP = "Newly Seeding Torrents Get First Priority";
// DownloadManager listeners
private static final int LDT_STATECHANGED = 1;
private static final int LDT_DOWNLOADCOMPLETE = 2;
private static final int LDT_COMPLETIONCHANGED = 3;
private static final int LDT_POSITIONCHANGED = 4;
private static final int LDT_FILEPRIORITYCHANGED = 5;
private AEMonitor listeners_mon = new AEMonitor( "DM:DownloadManager:L" );
private static ListenerManager listeners_aggregator = ListenerManager.createAsyncManager(
"DM:ListenAggregatorDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object _listener,
int type,
Object _value )
{
DownloadManagerListener listener = (DownloadManagerListener)_listener;
Object[] value = (Object[])_value;
DownloadManagerImpl dm = (DownloadManagerImpl)value[0];
if ( type == LDT_STATECHANGED ){
listener.stateChanged(dm, ((Integer)value[1]).intValue());
}else if ( type == LDT_DOWNLOADCOMPLETE ){
listener.downloadComplete(dm);
}else if ( type == LDT_COMPLETIONCHANGED ){
listener.completionChanged(dm, ((Boolean)value[1]).booleanValue());
}else if ( type == LDT_FILEPRIORITYCHANGED ){
listener.filePriorityChanged(dm, (DiskManagerFileInfo)value[1]);
}else if ( type == LDT_POSITIONCHANGED ){
listener.positionChanged( dm, ((Integer)value[1]).intValue(), ((Integer)value[2]).intValue());
}
}
});
private ListenerManager listeners = ListenerManager.createManager(
"DM:ListenDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object listener,
int type,
Object value )
{
listeners_aggregator.dispatch( listener, type, value );
}
});
// TrackerListeners
private static final int LDT_TL_ANNOUNCERESULT = 1;
private static final int LDT_TL_SCRAPERESULT = 2;
private ListenerManager tracker_listeners = ListenerManager.createManager(
"DM:TrackerListenDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object _listener,
int type,
Object value )
{
DownloadManagerTrackerListener listener = (DownloadManagerTrackerListener)_listener;
if ( type == LDT_TL_ANNOUNCERESULT ){
listener.announceResult((TRTrackerAnnouncerResponse)value);
}else if ( type == LDT_TL_SCRAPERESULT ){
listener.scrapeResult((TRTrackerScraperResponse)value);
}
}
});
// PeerListeners
private static final int LDT_PE_PEER_ADDED = 1;
private static final int LDT_PE_PEER_REMOVED = 2;
private static final int LDT_PE_PM_ADDED = 5;
private static final int LDT_PE_PM_REMOVED = 6;
// one static async manager for them all
private static ListenerManager peer_listeners_aggregator = ListenerManager.createAsyncManager(
"DM:PeerListenAggregatorDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object _listener,
int type,
Object value )
{
DownloadManagerPeerListener listener = (DownloadManagerPeerListener)_listener;
if ( type == LDT_PE_PEER_ADDED ){
listener.peerAdded((PEPeer)value);
}else if ( type == LDT_PE_PEER_REMOVED ){
listener.peerRemoved((PEPeer)value);
}else if ( type == LDT_PE_PM_ADDED ){
listener.peerManagerAdded((PEPeerManager)value);
}else if ( type == LDT_PE_PM_REMOVED ){
listener.peerManagerRemoved((PEPeerManager)value);
}
}
});
private ListenerManager peer_listeners = ListenerManager.createManager(
"DM:PeerListenDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object listener,
int type,
Object value )
{
peer_listeners_aggregator.dispatch( listener, type, value );
}
});
private AEMonitor peer_listeners_mon = new AEMonitor( "DM:DownloadManager:PeerL" );
private List current_peers = new ArrayList();
// PieceListeners
private static final int LDT_PE_PIECE_ADDED = 3;
private static final int LDT_PE_PIECE_REMOVED = 4;
// one static async manager for them all
private static ListenerManager piece_listeners_aggregator = ListenerManager.createAsyncManager(
"DM:PieceListenAggregatorDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object _listener,
int type,
Object value )
{
DownloadManagerPieceListener listener = (DownloadManagerPieceListener)_listener;
if ( type == LDT_PE_PIECE_ADDED ){
listener.pieceAdded((PEPiece)value);
}else if ( type == LDT_PE_PIECE_REMOVED ){
listener.pieceRemoved((PEPiece)value);
}
}
});
private ListenerManager piece_listeners = ListenerManager.createManager(
"DM:PieceListenDispatcher",
new ListenerManagerDispatcher()
{
public void
dispatch(
Object listener,
int type,
Object value )
{
piece_listeners_aggregator.dispatch( listener, type, value );
}
});
private AEMonitor piece_listeners_mon = new AEMonitor( "DM:DownloadManager:PeiceL" );
private List current_pieces = new ArrayList();
private DownloadManagerController controller;
private DownloadManagerStatsImpl stats;
protected AEMonitor this_mon = new AEMonitor( "DM:DownloadManager" );
private boolean persistent;
/**
* Pretend this download is complete while not running,
* even if it has no data. When the torrent starts up, the real complete
* level will be checked (probably by DiskManager), and if the torrent
* actually does have missing data at that point, the download will be thrown
* into error state.
* <p>
* Only a forced-recheck should clear this flag.
* <p>
* Current Implementation:<br>
* - implies that the user completed the download at one point<br>
* - Checks if there's Data Missing when torrent is done (or torrent load)
*/
private boolean assumedComplete;
/**
* forceStarted torrents can't/shouldn't be automatically stopped
*/
private int last_informed_state = STATE_START_OF_DAY;
private boolean latest_informed_force_start;
private GlobalManager globalManager;
private String torrentFileName;
private boolean open_for_seeding;
private String display_name = "";
private String internal_name = "";
// for simple torrents this refers to the torrent file itself. For non-simple it refers to the
// folder containing the torrent's files
private File torrent_save_location;
// Position in Queue
private int position = -1;
private Object[] read_torrent_state;
private DownloadManagerState download_manager_state;
private TOTorrent torrent;
private String torrent_comment;
private String torrent_created_by;
private TRTrackerAnnouncer tracker_client;
private TRTrackerAnnouncerListener tracker_client_listener =
new TRTrackerAnnouncerListener()
{
public void
receivedTrackerResponse(
TRTrackerAnnouncerResponse response)
{
PEPeerManager pm = controller.getPeerManager();
if ( pm != null ) {
pm.processTrackerResponse( response );
}
tracker_listeners.dispatch( LDT_TL_ANNOUNCERESULT, response );
}
public void
urlChanged(
final TRTrackerAnnouncer announcer,
final URL old_url,
URL new_url,
boolean explicit )
{
if ( explicit ){
// flush connected peers on explicit url change
if ( torrent.getPrivate()){
final List peers;
try{
peer_listeners_mon.enter();
peers = new ArrayList( current_peers );
}finally{
peer_listeners_mon.exit();
}
new AEThread( "DM:torrentChangeFlusher", true )
{
public void
runSupport()
{
for (int i=0;i<peers.size();i++){
PEPeer peer = (PEPeer)peers.get(i);
peer.getManager().removePeer( peer, "Private torrent: tracker changed" );
}
// force through a stop on old url
try{
TRTrackerAnnouncer an = TRTrackerAnnouncerFactory.create( torrent, true );
an.cloneFrom( announcer );
an.setTrackerUrl( old_url );
an.stop( false );
an.destroy();
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}.start();
}
requestTrackerAnnounce( true );
}
}
public void
urlRefresh()
{
requestTrackerAnnounce( true );
}
};
// a second listener used to catch and propagate the "stopped" event
private TRTrackerAnnouncerListener stopping_tracker_client_listener =
new TRTrackerAnnouncerListener()
{
public void
receivedTrackerResponse(
TRTrackerAnnouncerResponse response)
{
if(tracker_client == null)
response.setPeers(new TRTrackerAnnouncerResponsePeer[0]);
tracker_listeners.dispatch( LDT_TL_ANNOUNCERESULT, response );
}
public void
urlChanged(
TRTrackerAnnouncer announcer,
URL old_url,
URL new_url,
boolean explicit )
{
}
public void
urlRefresh()
{
}
};
private CopyOnWriteList activation_listeners = new CopyOnWriteList();
private long scrape_random_seed = SystemTime.getCurrentTime();
private Map data;
private boolean data_already_allocated = false;
private long creation_time = SystemTime.getCurrentTime();
private int iSeedingRank;
private boolean az_messaging_enabled = true;
private boolean dl_identity_obtained;
private byte[] dl_identity;
private int dl_identity_hashcode;
private int max_uploads = DownloadManagerState.MIN_MAX_UPLOADS;
private int max_connections;
private int max_connections_when_seeding;
private boolean max_connections_when_seeding_enabled;
private int max_seed_connections;
private int max_uploads_when_seeding = DownloadManagerState.MIN_MAX_UPLOADS;
private boolean max_uploads_when_seeding_enabled;
private int max_upload_when_busy_bps;
private int current_upload_when_busy_bps;
private long last_upload_when_busy_update;
private long last_upload_when_busy_dec_time;
private int crypto_level = NetworkManager.CRYPTO_OVERRIDE_NONE;
// Only call this with STATE_QUEUED, STATE_WAITING, or STATE_STOPPED unless you know what you are doing
private volatile boolean destroyed;
public
DownloadManagerImpl(
GlobalManager _gm,
byte[] _torrent_hash,
String _torrentFileName,
String _torrent_save_dir,
String _torrent_save_file,
int _initialState,
boolean _persistent,
boolean _recovered,
boolean _open_for_seeding,
boolean _has_ever_been_started,
List _file_priorities,
DownloadManagerInitialisationAdapter _initialisation_adapter )
{
if ( _initialState != STATE_WAITING &&
_initialState != STATE_STOPPED &&
_initialState != STATE_QUEUED ){
Debug.out( "DownloadManagerImpl: Illegal start state, " + _initialState );
}
persistent = _persistent;
globalManager = _gm;
open_for_seeding = _open_for_seeding;
// TODO: move this to download state!
if ( _file_priorities != null ){
setData( "file_priorities", _file_priorities );
}
stats = new DownloadManagerStatsImpl( this );
controller = new DownloadManagerController( this );
torrentFileName = _torrentFileName;
while( _torrent_save_dir.endsWith( File.separator )){
_torrent_save_dir = _torrent_save_dir.substring(0, _torrent_save_dir.length()-1 );
}
// readTorrent adjusts the save dir and file to be sensible values
readTorrent( _torrent_save_dir, _torrent_save_file, _torrent_hash,
persistent && !_recovered, _open_for_seeding, _has_ever_been_started,
_initialState );
if ( torrent != null && _initialisation_adapter != null ){
try{
_initialisation_adapter.initialised( this );
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
private void
readTorrent(
String torrent_save_dir,
String torrent_save_file,
byte[] torrent_hash, // can be null for initial torrents
boolean new_torrent, // probably equivalend to (torrent_hash == null)????
boolean for_seeding,
boolean has_ever_been_started,
int initial_state )
{
try{
display_name = torrentFileName; // default if things go wrong decoding it
internal_name = "";
torrent_comment = "";
torrent_created_by = "";
try{
// this is the first thing we do and most likely to go wrong - hence its
// existence is used below to indicate success or not
download_manager_state =
DownloadManagerStateImpl.getDownloadState(
this,
torrentFileName,
torrent_hash,
initial_state == DownloadManager.STATE_STOPPED ||
initial_state == DownloadManager.STATE_QUEUED );
readParameters();
// establish any file links
DownloadManagerStateAttributeListener attr_listener = new DownloadManagerStateAttributeListener() {
public void attributeEventOccurred(DownloadManager dm, String attribute_name, int event_type) {
if (attribute_name.equals(DownloadManagerState.AT_FILE_LINKS)) {
setFileLinks();
}
else if (attribute_name.equals(DownloadManagerState.AT_PARAMETERS)) {
readParameters();
}
}
};
download_manager_state.addListener(attr_listener, DownloadManagerState.AT_FILE_LINKS, DownloadManagerStateAttributeListener.WRITTEN);
download_manager_state.addListener(attr_listener, DownloadManagerState.AT_PARAMETERS, DownloadManagerStateAttributeListener.WRITTEN);
torrent = download_manager_state.getTorrent();
setFileLinks();
// We can't have the identity of this download changing as this will screw up
// anyone who tries to maintain a unique set of downloads (e.g. the GlobalManager)
//
if ( !dl_identity_obtained ){
// flag set true below
dl_identity = torrent_hash==null?torrent.getHash():torrent_hash;
this.dl_identity_hashcode = new String( dl_identity ).hashCode();
}
if ( !Arrays.equals( dl_identity, torrent.getHash())){
torrent = null; // prevent this download from being used
// set up some kinda default else things don't work wel...
torrent_save_location = new File( torrent_save_dir, torrentFileName );
throw( new NoStackException( "Download identity changed - please remove and re-add the download" ));
}
read_torrent_state = null; // no longer needed if we saved it
LocaleUtilDecoder locale_decoder = LocaleTorrentUtil.getTorrentEncoding( torrent );
// if its a simple torrent and an explicit save file wasn't supplied, use
// the torrent name itself
display_name = FileUtil.convertOSSpecificChars(locale_decoder.decodeString(torrent.getName()),false);
internal_name = ByteFormatter.nicePrint(torrent.getHash(),true);
// now we know if its a simple torrent or not we can make some choices about
// the save dir and file. On initial entry the save_dir will have the user-selected
// save location and the save_file will be null
File save_dir_file = new File( torrent_save_dir );
// System.out.println( "before: " + torrent_save_dir + "/" + torrent_save_file );
// if save file is non-null then things have already been sorted out
if ( torrent_save_file == null ){
// make sure we're working off a canonical save dir if possible
try{
if ( save_dir_file.exists()){
save_dir_file = save_dir_file.getCanonicalFile();
}
}catch( Throwable e ){
Debug.printStackTrace(e);
}
if ( torrent.isSimpleTorrent()){
// if target save location is a directory then we use that as the save
// dir and use the torrent display name as the target. Otherwise we
// use the file name
if ( save_dir_file.exists()){
if ( save_dir_file.isDirectory()){
torrent_save_file = display_name;
}else{
torrent_save_dir = save_dir_file.getParent().toString();
torrent_save_file = save_dir_file.getName();
}
}else{
// doesn't exist, assume it refers directly to the file
if ( save_dir_file.getParent() == null ){
throw( new NoStackException( "Data location '" + torrent_save_dir + "' is invalid" ));
}
torrent_save_dir = save_dir_file.getParent().toString();
torrent_save_file = save_dir_file.getName();
}
}else{
// torrent is a folder. It is possible that the natural location
// for the folder is X/Y and that in fact 'Y' already exists and
// has been selected. If ths is the case the select X as the dir and Y
// as the file name
if ( save_dir_file.exists()){
if ( !save_dir_file.isDirectory()){
throw( new NoStackException( "'" + torrent_save_dir + "' is not a directory" ));
}
if ( save_dir_file.getName().equals( display_name )){
torrent_save_dir = save_dir_file.getParent().toString();
}
}
torrent_save_file = display_name;
}
}
torrent_save_location = new File( torrent_save_dir, torrent_save_file );
// final validity test must be based of potentially linked target location as file
// may have been re-targetted
File linked_target = getSaveLocation();
if ( !linked_target.exists()){
// if this isn't a new torrent then we treat the absence of the enclosing folder
// as a fatal error. This is in particular to solve a problem with the use of
// externally mounted torrent data on OSX, whereby a re-start with the drive unmounted
// results in the creation of a local diretory in /Volumes that subsequently stuffs
// up recovery when the volume is mounted
// changed this to only report the error on non-windows platforms
if ( !(new_torrent || Constants.isWindows )){
// another exception here - if the torrent has never been started then we can
// fairly safely continue as its in a stopped state
if ( has_ever_been_started ){
throw (new NoStackException(
MessageText.getString("DownloadManager.error.datamissing")
+ " " + Debug.secretFileName(linked_target.toString())));
}
}
}
// if this is a newly introduced torrent trash the tracker cache. We do this to
// prevent, say, someone publishing a torrent with a load of invalid cache entries
// in it and a bad tracker URL. This could be used as a DOS attack
if ( new_torrent ){
download_manager_state.setLongParameter( DownloadManagerState.PARAM_DOWNLOAD_ADDED_TIME, SystemTime.getCurrentTime());
// propagate initial properties from torrent to download
boolean low_noise = TorrentUtils.getFlag( torrent, TorrentUtils.TORRENT_FLAG_LOW_NOISE );
if ( low_noise ){
download_manager_state.setFlag( DownloadManagerState.FLAG_LOW_NOISE, true );
}
download_manager_state.setTrackerResponseCache( new HashMap());
// also remove resume data incase someone's published a torrent with resume
// data in it
if ( for_seeding ){
DiskManagerFactory.setTorrentResumeDataNearlyComplete(download_manager_state);
// Prevent download being considered for on-completion moving - it's considered complete anyway.
download_manager_state.setFlag(DownloadManagerState.FLAG_MOVE_ON_COMPLETION_DONE, true);
}else{
download_manager_state.clearResumeData();
}
}else{
long add_time = download_manager_state.getLongParameter( DownloadManagerState.PARAM_DOWNLOAD_ADDED_TIME );
if ( add_time == 0 ){
// grab an initial value from torrent file - migration only
try{
add_time = new File( torrentFileName ).lastModified();
}catch( Throwable e ){
}
if ( add_time == 0 ){
add_time = SystemTime.getCurrentTime();
}
download_manager_state.setLongParameter( DownloadManagerState.PARAM_DOWNLOAD_ADDED_TIME, add_time );
}
}
//trackerUrl = torrent.getAnnounceURL().toString();
torrent_comment = StringInterner.intern(locale_decoder.decodeString(torrent.getComment()));
if ( torrent_comment == null ){
torrent_comment = "";
}
torrent_created_by = locale_decoder.decodeString(torrent.getCreatedBy());
if ( torrent_created_by == null ){
torrent_created_by = "";
}
// only restore the tracker response cache for non-seeds
if ( download_manager_state.isResumeDataComplete() || for_seeding ){
// actually, can't think of a good reason not to restore the
// cache for seeds, after all if the tracker's down we still want
// to connect to peers to upload to
// download_manager_state.clearTrackerResponseCache();
stats.setDownloadCompleted(1000);
setAssumedComplete(true);
}else{
setAssumedComplete(false);
}
}catch( TOTorrentException e ){
//Debug.printStackTrace( e );
setFailed( TorrentUtils.exceptionToText( e ));
}catch( UnsupportedEncodingException e ){
Debug.printStackTrace( e );
setFailed( MessageText.getString("DownloadManager.error.unsupportedencoding"));
}catch( NoStackException e ){
Debug.outNoStack( e.getMessage());
}catch( Throwable e ){
Debug.printStackTrace( e );
setFailed( e );
}finally{
dl_identity_obtained = true;
}
if ( download_manager_state == null ){
read_torrent_state =
new Object[]{
torrent_save_dir, torrent_save_file, torrent_hash,
new Boolean(new_torrent), new Boolean( for_seeding ), new Boolean( has_ever_been_started ),
new Integer( initial_state )
};
// torrent's stuffed - create a dummy "null object" to simplify use
// by other code
download_manager_state = DownloadManagerStateImpl.getDownloadState( this );
// make up something vaguely sensible for save location
if ( torrent_save_file == null ){
torrent_save_location = new File( torrent_save_dir );
}else{
torrent_save_location = new File( torrent_save_dir, torrent_save_file );
}
}else{
// make up something vaguely sensible for save location if we haven't got one
if ( torrent_save_file == null ){
torrent_save_location = new File( torrent_save_dir );
}
// make sure we know what networks to use for this download
if ( download_manager_state.getNetworks().length == 0 && torrent != null){
String[] networks = AENetworkClassifier.getNetworks( torrent, display_name );
download_manager_state.setNetworks( networks );
}
}
}finally{
if ( torrent_save_location != null ){
try{
torrent_save_location = torrent_save_location.getCanonicalFile();
}catch( Throwable e ){
torrent_save_location = torrent_save_location.getAbsoluteFile();
}
// update cached stuff in case something changed
getSaveLocation();
}
// must be after torrent read, so that any listeners have a TOTorrent
// not that if things have failed above this method won't override a failed
// state with the initial one
controller.setInitialState( initial_state );
}
}
protected void
readTorrent()
{
if ( read_torrent_state == null ){
return;
}
readTorrent(
(String)read_torrent_state[0],
(String)read_torrent_state[1],
(byte[])read_torrent_state[2],
((Boolean)read_torrent_state[3]).booleanValue(),
((Boolean)read_torrent_state[4]).booleanValue(),
((Boolean)read_torrent_state[5]).booleanValue(),
((Integer)read_torrent_state[6]).intValue());
}
protected void
readParameters()
{
max_connections = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_PEERS );
max_connections_when_seeding_enabled = getDownloadState().getBooleanParameter( DownloadManagerState.PARAM_MAX_PEERS_WHEN_SEEDING_ENABLED );
max_connections_when_seeding = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_PEERS_WHEN_SEEDING );
max_seed_connections = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_SEEDS );
max_uploads = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_UPLOADS );
max_uploads_when_seeding_enabled = getDownloadState().getBooleanParameter( DownloadManagerState.PARAM_MAX_UPLOADS_WHEN_SEEDING_ENABLED );
max_uploads_when_seeding = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_UPLOADS_WHEN_SEEDING );
max_upload_when_busy_bps = getDownloadState().getIntParameter( DownloadManagerState.PARAM_MAX_UPLOAD_WHEN_BUSY ) * 1024;
max_uploads = Math.max( max_uploads, DownloadManagerState.MIN_MAX_UPLOADS );
max_uploads_when_seeding = Math.max( max_uploads_when_seeding, DownloadManagerState.MIN_MAX_UPLOADS );
}
protected int
getMaxConnections()
{
return( max_connections );
}
protected int
getMaxConnectionsWhenSeeding()
{
return( max_connections_when_seeding );
}
protected boolean
isMaxConnectionsWhenSeedingEnabled()
{
return( max_connections_when_seeding_enabled );
}
protected int
getMaxSeedConnections()
{
return( max_seed_connections );
}
protected boolean
isMaxUploadsWhenSeedingEnabled()
{
return( max_uploads_when_seeding_enabled );
}
protected int
getMaxUploadsWhenSeeding()
{
return( max_uploads_when_seeding );
}
public int
getMaxUploads()
{
return( max_uploads );
}
public void
setMaxUploads(
int max )
{
download_manager_state.setIntParameter( DownloadManagerState.PARAM_MAX_UPLOADS, max );
}
public int
getEffectiveMaxUploads()
{
if ( isMaxUploadsWhenSeedingEnabled() && getState() == DownloadManager.STATE_SEEDING ){
return( getMaxUploadsWhenSeeding());
}else{
return( max_uploads );
}
}
public int
getEffectiveUploadRateLimitBytesPerSecond()
{
int local_max_bps = stats.getUploadRateLimitBytesPerSecond();
int rate = local_max_bps;
if ( max_upload_when_busy_bps != 0 ){
long now = SystemTime.getCurrentTime();
if ( now < last_upload_when_busy_update || now - last_upload_when_busy_update > 5000 ){
last_upload_when_busy_update = now;
// might need to impose the limit
String key = TransferSpeedValidator.getActiveUploadParameter( globalManager );
int global_limit_bps = COConfigurationManager.getIntParameter( key )*1024;
if ( global_limit_bps > 0 && max_upload_when_busy_bps < global_limit_bps ){
// we have a global limit and a valid busy limit
local_max_bps = local_max_bps==0?global_limit_bps:local_max_bps;
GlobalManagerStats gm_stats = globalManager.getStats();
int actual = gm_stats.getDataSendRateNoLAN() + gm_stats.getProtocolSendRateNoLAN();
int move_by = ( local_max_bps - max_upload_when_busy_bps ) / 10;
if ( move_by < 1024 ){
move_by = 1024;
}
if ( global_limit_bps - actual <= 2*1024 ){
// close enough to impose the busy limit downwards
if ( current_upload_when_busy_bps == 0 ){
current_upload_when_busy_bps = local_max_bps;
}
int prev_upload_when_busy_bps = current_upload_when_busy_bps;
current_upload_when_busy_bps -= move_by;
if ( current_upload_when_busy_bps < max_upload_when_busy_bps ){
current_upload_when_busy_bps = max_upload_when_busy_bps;
}
if ( current_upload_when_busy_bps < prev_upload_when_busy_bps ){
last_upload_when_busy_dec_time = now;
}
}else{
// not hitting limit, increase
if ( current_upload_when_busy_bps != 0 ){
// only try increment if sufficient time passed
if ( upload_when_busy_min_secs == 0 ||
now < last_upload_when_busy_dec_time ||
now - last_upload_when_busy_dec_time >= upload_when_busy_min_secs*1000 ){
current_upload_when_busy_bps += move_by;
if ( current_upload_when_busy_bps >= local_max_bps ){
current_upload_when_busy_bps = 0;
}
}
}
}
if ( current_upload_when_busy_bps > 0 ){
rate = current_upload_when_busy_bps;
}
}else{
current_upload_when_busy_bps = 0;
}
}else{
if ( current_upload_when_busy_bps > 0 ){
rate = current_upload_when_busy_bps;
}
}
}
return( rate );
}
protected void
setFileLinks()
{
// invalidate the cache info in case its now wrong
cached_save_location = null;
DiskManagerFactory.setFileLinks( this, download_manager_state.getFileLinks());
controller.fileInfoChanged();
}
protected void
clearFileLinks()
{
download_manager_state.clearFileLinks();
}
protected void updateFileLinks(File old_save_path, File new_save_path) {
try {old_save_path = old_save_path.getCanonicalFile();}
catch (IOException ioe) {old_save_path = old_save_path.getAbsoluteFile();}
try {new_save_path = new_save_path.getCanonicalFile();}
catch (IOException ioe) {new_save_path = new_save_path.getAbsoluteFile();}
String old_path = old_save_path.getPath();
String new_path = new_save_path.getPath();
CaseSensitiveFileMap links = download_manager_state.getFileLinks();
Iterator it = links.keySetIterator();
while(it.hasNext()){
File from = (File)it.next();
File to = (File)links.get(from);
String from_s = (from == null) ? null : from.getAbsolutePath();
String to_s = (to == null) ? null : to.getAbsolutePath();
try {
updateFileLink(old_path, new_path, from_s, to_s);
}
catch (Exception e) {
Debug.printStackTrace(e);
}
}
}
// old_path -> Full location of old torrent (inclusive of save name)
// from_loc -> Old unmodified location of file within torrent.
// to_loc -> Old modified location of file (where the link points to).
//
// We have to update from_loc and to_loc.
// We should always be modifying from_loc. Only modify to_loc if it sits within
// the old path.
protected void updateFileLink(String old_path, String new_path, String from_loc, String to_loc) {
if (to_loc == null) return;
if (this.torrent.isSimpleTorrent()) {
if (!old_path.equals(from_loc)) {throw new RuntimeException("assert failure: old_path=" + old_path + ", from_loc=" + from_loc);}
download_manager_state.setFileLink(new File(old_path), null );
download_manager_state.setFileLink(new File(new_path), new File(new_path)); // Or should the second bit be null?
return;
}
String from_loc_to_use = FileUtil.translateMoveFilePath(old_path, new_path, from_loc);
if (from_loc_to_use == null) return;
String to_loc_to_use = FileUtil.translateMoveFilePath(old_path, new_path, to_loc);
if (to_loc_to_use == null) {to_loc_to_use = to_loc;}
download_manager_state.setFileLink(new File(from_loc), null);
download_manager_state.setFileLink(new File(from_loc_to_use), new File(to_loc_to_use));
}
// Superceded by updateFileLinks(String, String).
/*
protected void
updateFileLinks(
String _old_dir,
String _new_dir,
File _old_save_dir )
{
try{
String old_dir = new File( _old_dir ).getCanonicalPath();
String new_dir = new File( _new_dir ).getCanonicalPath();
String old_save_dir = _old_save_dir.getCanonicalPath();
CaseSensitiveFileMap links = download_manager_state.getFileLinks();
Iterator it = links.keySetIterator();
while( it.hasNext()){
File from = (File)it.next();
File to = (File)links.get(from);
if ( to == null ){
continue;
}
String from_str = from.getCanonicalPath();
if ( from_str.startsWith( old_save_dir )){
String new_from_str;
String from_suffix = from_str.substring( old_dir.length());
if ( from_suffix.startsWith( File.separator )){
new_from_str = new_dir + from_suffix;
}else{
new_from_str = new_dir + File.separator + from_suffix;
}
String to_str = to.getCanonicalPath();
if ( to_str.startsWith( old_save_dir )){
String new_to_str;
String to_suffix = to_str.substring( old_dir.length());
if ( to_suffix.startsWith( File.separator )){
new_to_str = new_dir + to_suffix;
}else{
new_to_str = new_dir + File.separator + to_suffix;
}
to = new File( new_to_str );
}
// System.out.println( "Updating file link:" + from + "->" + to + ":" + new_from_str );
download_manager_state.setFileLink( from, null );
download_manager_state.setFileLink( new File( new_from_str), to );
}
}
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
*/
public boolean
filesExist()
{
return( controller.filesExist());
}
public boolean
isPersistent()
{
return( persistent );
}
public String
getDisplayName()
{
DownloadManagerState dms = this.getDownloadState();
if (dms != null) {
String result = dms.getDisplayName();
if (result != null) {return result;}
}
return( display_name );
}
public String
getInternalName()
{
return( internal_name );
}
public String
getErrorDetails()
{
return( controller.getErrorDetail());
}
public long
getSize()
{
if( torrent != null){
return torrent.getSize();
}
return 0;
}
protected void
setFailed()
{
setFailed((String)null );
}
protected void
setFailed(
Throwable e )
{
setFailed( Debug.getNestedExceptionMessage(e));
}
protected void
setFailed(
String str )
{
controller.setFailed( str );
}
protected void
setTorrentInvalid(
String str )
{
setFailed( str );
torrent = null;
}
public void
saveResumeData()
{
if ( getState() == STATE_DOWNLOADING) {
try{
getDiskManager().saveResumeData( true );
}catch( Exception e ){
setFailed( "Resume data save fails: " + Debug.getNestedExceptionMessage(e));
}
}
// we don't want to update the torrent if we're seeding
if ( !assumedComplete ){
download_manager_state.save();
}
}
public void
saveDownload()
{
DiskManager disk_manager = controller.getDiskManager();
if ( disk_manager != null ){
disk_manager.saveState();
}
download_manager_state.save();
}
public void
initialize()
{
// entry: valid if waiting, stopped or queued
// exit: error, ready or on the way to error
if ( torrent == null ) {
// have a go at re-reading the torrent in case its been recovered
readTorrent();
}
if ( torrent == null ) {
setFailed();
return;
}
// If a torrent that is assumed complete, verify that it actually has the
// files, before we create the diskManager, which will try to allocate
// disk space.
if (assumedComplete && !filesExist()) {
// filesExist() has set state to error for us
// If the user wants to re-download the missing files, they must
// do a re-check, which will reset the flag.
return;
}
download_manager_state.setActive( true );
try{
try{
this_mon.enter();
if ( tracker_client != null ){
Debug.out( "DownloadManager: initialize called with tracker client still available" );
tracker_client.destroy();
}
tracker_client = TRTrackerAnnouncerFactory.create( torrent, download_manager_state.getNetworks());
tracker_client.setTrackerResponseCache( download_manager_state.getTrackerResponseCache());
tracker_client.addListener( tracker_client_listener );
}finally{
this_mon.exit();
}
// we need to set the state to "initialized" before kicking off the disk manager
// initialisation as it should only report its status while in the "initialized"
// state (see getState for how this works...)
try{
controller.initializeDiskManager( open_for_seeding );
}finally{
// only supply this the very first time the torrent starts so the controller can check
// that things are ok. Subsequent restarts are under user control
open_for_seeding = false;
}
}catch( TRTrackerAnnouncerException e ){
setFailed( e );
}
}
public void
setStateWaiting()
{
controller.setStateWaiting();
}
public void
setStateFinishing()
{
controller.setStateFinishing();
}
public void
setStateQueued()
{
controller.setStateQueued();
}
public int
getState()
{
return( controller.getState());
}
public int
getSubState()
{
return( controller.getSubState());
}
public boolean
canForceRecheck()
{
if ( getTorrent() == null ){
// broken torrent, can't force recheck
return( false );
}
return( controller.canForceRecheck());
}
public void
forceRecheck()
{
controller.forceRecheck(null);
}
public void
forceRecheck(final ForceRecheckListener l)
{
controller.forceRecheck(l);
}
public void
setPieceCheckingEnabled(
boolean enabled )
{
controller.setPieceCheckingEnabled( enabled );
}
public void
resetFile(
DiskManagerFileInfo file )
{
int state = getState();
if ( state == DownloadManager.STATE_STOPPED ||
state == DownloadManager.STATE_ERROR ){
DiskManagerFactory.clearResumeData( this, file );
}else{
Debug.out( "Download not stopped" );
}
}
public void
recheckFile(
DiskManagerFileInfo file )
{
int state = getState();
if ( state == DownloadManager.STATE_STOPPED ||
state == DownloadManager.STATE_ERROR ){
DiskManagerFactory.recheckFile( this, file );
}else{
Debug.out( "Download not stopped" );
}
}
public void
startDownload()
{
controller.startDownload( getTrackerClient() );
}
public void
stopIt(
int state_after_stopping,
boolean remove_torrent,
boolean remove_data )
{
try{
download_manager_state.setLongAttribute( DownloadManagerState.AT_TIME_STOPPED, SystemTime.getCurrentTime());
controller.stopIt( state_after_stopping, remove_torrent, remove_data );
}finally{
download_manager_state.setActive( false );
}
}
public boolean
pause()
{
return( globalManager.pauseDownload( this ));
}
public boolean
isPaused()
{
return( globalManager.isPaused( this ));
}
public void
resume()
{
globalManager.resumeDownload( this );
}
public boolean getAssumedComplete() {
return assumedComplete;
}
public boolean requestAssumedCompleteMode() {
boolean bCompleteNoDND = controller.isDownloadComplete(false);
setAssumedComplete(bCompleteNoDND);
return bCompleteNoDND;
}
// Protected: Use requestAssumedCompleteMode outside of scope
protected void setAssumedComplete(boolean _assumedComplete) {
if (_assumedComplete) {
long completedOn = download_manager_state.getLongParameter(DownloadManagerState.PARAM_DOWNLOAD_COMPLETED_TIME);
if (completedOn <= 0) {
download_manager_state.setLongParameter(
DownloadManagerState.PARAM_DOWNLOAD_COMPLETED_TIME,
SystemTime.getCurrentTime());
}
}
if (assumedComplete == _assumedComplete) {
return;
}
//Logger.log(new LogEvent(this, LogIDs.CORE, "setAssumedComplete("
// + _assumedComplete + ") was " + assumedComplete));
assumedComplete = _assumedComplete;
if (!assumedComplete) {
controller.setStateDownloading();
}
// NOTE: We don't set "stats.setDownloadCompleted(1000)" anymore because
// we can be in seeding mode with an unfinished torrent
if (position != -1) {
// we are in a new list, move to the top of the list so that we continue
// seeding.
// -1 position means it hasn't been added to the global list. We
// shouldn't touch it, since it'll get a position once it's adding is
// complete
DownloadManager[] dms = { DownloadManagerImpl.this };
// pretend we are at the bottom of the new list
// so that move top will shift everything down one
position = globalManager.getDownloadManagers().size() + 1;
if (COConfigurationManager.getBooleanParameter(CFG_MOVE_COMPLETED_TOP)) {
globalManager.moveTop(dms);
} else {
globalManager.moveEnd(dms);
}
// we left a gap in incomplete list, fixup
globalManager.fixUpDownloadManagerPositions();
}
listeners.dispatch(LDT_COMPLETIONCHANGED, new Object[] {
this,
new Boolean(_assumedComplete) });
}
public int
getNbSeeds()
{
PEPeerManager peerManager = controller.getPeerManager();
if (peerManager != null){
return peerManager.getNbSeeds();
}
return 0;
}
public int
getNbPeers()
{
PEPeerManager peerManager = controller.getPeerManager();
if (peerManager != null){
return peerManager.getNbPeers();
}
return 0;
}
public String
getTrackerStatus()
{
TRTrackerAnnouncer tc = getTrackerClient();
if (tc != null){
return tc.getStatusString();
}
// no tracker, return scrape
if (torrent != null ) {
TRTrackerScraperResponse response = getTrackerScrapeResponse();
if (response != null) {
return response.getStatusString();
}
}
return "";
}
public TRTrackerAnnouncer
getTrackerClient()
{
return( tracker_client );
}
public void
setAnnounceResult(
DownloadAnnounceResult result )
{
TRTrackerAnnouncer cl = getTrackerClient();
if ( cl == null ){
Debug.out( "setAnnounceResult called when download not running" );
return;
}
cl.setAnnounceResult( result );
}
public void
setScrapeResult(
DownloadScrapeResult result )
{
if ( torrent != null && result != null ){
TRTrackerScraper scraper = globalManager.getTrackerScraper();
TRTrackerScraperResponse current_resp = getTrackerScrapeResponse();
URL target_url;
if ( current_resp != null ){
target_url = current_resp.getURL();
}else{
target_url = torrent.getAnnounceURL();
}
scraper.setScrape( torrent, target_url, result );
}
}
public int
getNbPieces()
{
if ( torrent == null ){
return(0);
}
return( torrent.getNumberOfPieces());
}
public int
getTrackerTime()
{
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null){
return( tc.getTimeUntilNextUpdate());
}
// no tracker, return scrape
if ( torrent != null ) {
TRTrackerScraperResponse response = getTrackerScrapeResponse();
if (response != null) {
if (response.getStatus() == TRTrackerScraperResponse.ST_SCRAPING){
return( -1 );
}
return (int)((response.getNextScrapeStartTime() - SystemTime.getCurrentTime()) / 1000);
}
}
return( TRTrackerAnnouncer.REFRESH_MINIMUM_SECS );
}
public TOTorrent
getTorrent()
{
return( torrent );
}
private File cached_save_location;
private File cached_save_location_result;
public File
getSaveLocation()
{
// this can be called quite often - cache results for perf reasons
File save_location = torrent_save_location;
if ( save_location == cached_save_location ){
return( cached_save_location_result );
}
File res = download_manager_state.getFileLink( save_location );
if ( res == null || res.equals(save_location) ){
res = save_location;
}else{
try{
res = res.getCanonicalFile();
}catch( Throwable e ){
res = res.getAbsoluteFile();
}
}
cached_save_location = save_location;
cached_save_location_result = res;
return( res );
}
public File
getAbsoluteSaveLocation()
{
return( torrent_save_location );
}
public void setTorrentSaveDir(String new_dir) {
setTorrentSaveDir(new_dir, this.getAbsoluteSaveLocation().getName());
}
public void setTorrentSaveDir(String new_dir, String dl_name) {
File old_location = torrent_save_location;
File new_location = new File(new_dir, dl_name);
if (new_location.equals(old_location)){
return;
}
// assumption here is that the caller really knows what they are doing. You can't
// just change this willy nilly, it must be synchronised with reality. For example,
// the disk-manager calls it after moving files on completing
// The UI can call it as long as the torrent is stopped.
// Calling it while a download is active will in general result in unpredictable behaviour!
updateFileLinks( old_location, new_location);
torrent_save_location = new_location;
try{
torrent_save_location = torrent_save_location.getCanonicalFile();
}catch( Throwable e ){
torrent_save_location = torrent_save_location.getAbsoluteFile();
}
Logger.log(new LogEvent(this, LogIDs.CORE, "Torrent save directory changing from \"" + old_location.getPath() + "\" to \"" + new_location.getPath()));
// Trying to fix a problem where downloads are being moved into the program
// directory on my machine, and I don't know why...
//Debug.out("Torrent save directory changing from \"" + old_location.getPath() + "\" to \"" + new_location.getPath());
controller.fileInfoChanged();
}
public String
getPieceLength()
{
if ( torrent != null ){
return( DisplayFormatters.formatByteCountToKiBEtc(torrent.getPieceLength()));
}
return( "" );
}
public String
getTorrentFileName()
{
return torrentFileName;
}
public void
setTorrentFileName(
String string)
{
torrentFileName = string;
}
// this is called asynchronously when a response is received
public void
setTrackerScrapeResponse(
TRTrackerScraperResponse response )
{
// this is a reasonable place to pick up the change in active url caused by this scrape
// response and update the torrent's url accordingly
Object[] res = getActiveScrapeResponse();
URL active_url = (URL)res[1];
if ( active_url != null && torrent != null ){
torrent.setAnnounceURL( active_url );
}
if (response != null) {
if (response.isValid()) {
int state = getState();
if (state == STATE_ERROR || state == STATE_STOPPED) {
long minNextScrape = SystemTime.getCurrentTime()
+ (state == STATE_ERROR ? SCRAPE_DELAY_ERROR_TORRENTS
: SCRAPE_DELAY_STOPPED_TORRENTS);
if (response.getNextScrapeStartTime() < minNextScrape) {
response.setNextScrapeStartTime(minNextScrape);
}
}
} else if (response.getStatus() == TRTrackerScraperResponse.ST_INITIALIZING) {
long minNextScrape;
int state = getState();
if (state == STATE_ERROR || state == STATE_STOPPED) {
// Delay initial scrape if torrent is stopped or in error.
// Save excessive thread creation (by the scraper) and spreads out
// CPU usage at startup time
minNextScrape = SystemTime.getCurrentTime()
+ (state == STATE_ERROR ? SCRAPE_INITDELAY_ERROR_TORRENTS
: SCRAPE_INITDELAY_STOPPED_TORRENTS);
} else {
// Spread the scrapes out a bit. This is extremely helpfull on large
// torrent lists, and trackers that do not support multi-scrapes.
// For trackers that do support multi-scrapes, it will really delay
// the scrape for all torrent in the tracker to the one that has
// the lowest share ratio.
int sr = getStats().getShareRatio();
minNextScrape = SystemTime.getCurrentTime()
+ ((sr > 10000 ? 10000 : sr + 1000) * 60);
}
if (response.getNextScrapeStartTime() < minNextScrape) {
response.setNextScrapeStartTime(minNextScrape);
}
}
// Need to notify listeners, even if scrape result is not valid, in
// case they parse invalid scrapes
tracker_listeners.dispatch(LDT_TL_SCRAPERESULT, response);
}
}
public TRTrackerScraperResponse
getTrackerScrapeResponse()
{
Object[] res = getActiveScrapeResponse();
return((TRTrackerScraperResponse)res[0]);
}
/**
* Returns the "first" online scrape response found, and its active URL, otherwise one of the failing
* scrapes
* @return
*/
protected Object[]
getActiveScrapeResponse()
{
TRTrackerScraperResponse response = null;
URL active_url = null;
TRTrackerScraper scraper = globalManager.getTrackerScraper();
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null ){
response = scraper.scrape( tc );
}
if ( response == null && torrent != null){
// torrent not running. For multi-tracker torrents we need to behave sensibly
// here
TRTrackerScraperResponse non_null_response = null;
TOTorrentAnnounceURLSet[] sets;
try {
sets = torrent.getAnnounceURLGroup().getAnnounceURLSets();
} catch (Exception e) {
return( new Object[]{ scraper.scrape(torrent), active_url } );
}
if ( sets.length == 0 ){
response = scraper.scrape(torrent);
}else{
// we use a fixed seed so that subsequent scrapes will randomise
// in the same order, as required by the spec. Note that if the
// torrent's announce sets are edited this all works fine (if we
// cached the randomised URL set this wouldn't work)
Random scrape_random = new Random(scrape_random_seed);
for (int i=0;response==null && i<sets.length;i++){
TOTorrentAnnounceURLSet set = sets[i];
URL[] urls = set.getAnnounceURLs();
List rand_urls = new ArrayList();
for (int j=0;j<urls.length;j++ ){
URL url = urls[j];
int pos = (int)(scrape_random.nextDouble() * (rand_urls.size()+1));
rand_urls.add(pos,url);
}
for (int j=0;response==null && j<rand_urls.size();j++){
URL url = (URL)rand_urls.get(j);
response = scraper.scrape(torrent, url);
if ( response!= null ){
int status = response.getStatus();
// Exit if online
if (status == TRTrackerScraperResponse.ST_ONLINE) {
active_url = url;
break;
}
// Scrape 1 at a time to save on outgoing connections
if ( status == TRTrackerScraperResponse.ST_INITIALIZING ||
status == TRTrackerScraperResponse.ST_SCRAPING) {
break;
}
// treat bad scrapes as missing so we go on to
// the next tracker
if ( (!response.isValid()) || status == TRTrackerScraperResponse.ST_ERROR ){
if ( non_null_response == null ){
non_null_response = response;
}
response = null;
}
}
}
}
if ( response == null ){
response = non_null_response;
}
}
}
return( new Object[]{ response, active_url } );
}
public void
requestTrackerAnnounce(
boolean force )
{
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null)
tc.update( force );
}
public void
requestTrackerScrape(
boolean force )
{
if ( torrent != null ){
TRTrackerScraper scraper = globalManager.getTrackerScraper();
scraper.scrape( torrent, force );
}
}
protected void
setTrackerRefreshDelayOverrides(
int percent )
{
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null ){
tc.setRefreshDelayOverrides( percent );
}
}
protected boolean
activateRequest(
int count )
{
// activation request for a queued torrent
for (Iterator it = activation_listeners.iterator();it.hasNext();){
DownloadManagerActivationListener listener = (DownloadManagerActivationListener)it.next();
try{
if ( listener.activateRequest( count )){
return( true );
}
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
return( false );
}
public int
getActivationCount()
{
return( controller.getActivationCount());
}
public String
getTorrentComment()
{
return torrent_comment;
}
public String
getTorrentCreatedBy()
{
return torrent_created_by;
}
public long
getTorrentCreationDate()
{
if (torrent==null){
return(0);
}
return( torrent.getCreationDate());
}
public GlobalManager
getGlobalManager()
{
return( globalManager );
}
public DiskManager
getDiskManager()
{
return( controller.getDiskManager());
}
public DiskManagerFileInfoSet getDiskManagerFileInfoSet()
{
return controller.getDiskManagerFileInfoSet();
}
public DiskManagerFileInfo[]
getDiskManagerFileInfo()
{
return( controller.getDiskManagerFileInfo());
}
public PEPeerManager
getPeerManager()
{
return( controller.getPeerManager());
}
public boolean isDownloadComplete(boolean bIncludeDND) {
if (!bIncludeDND) {
return assumedComplete;
}
return controller.isDownloadComplete(bIncludeDND);
}
public void
addListener(
DownloadManagerListener listener )
{
addListener(listener, true);
}
public void
addListener(
DownloadManagerListener listener,
boolean triggerStateChange )
{
if (listener == null) {
Debug.out("Warning: null listener");
return;
}
try{
listeners_mon.enter();
listeners.addListener(listener);
if (triggerStateChange) {
listener.stateChanged( this, getState());
}
// we DON'T dispatch a downloadComplete event here as this event is used to mark the
// transition between downloading and seeding, NOT purely to inform of seeding status
} catch (Throwable t) {
Debug.out("adding listener", t);
}finally{
listeners_mon.exit();
}
}
public void
removeListener(
DownloadManagerListener listener )
{
try{
listeners_mon.enter();
listeners.removeListener(listener);
}finally{
listeners_mon.exit();
}
}
/**
* Doesn't not inform if state didn't change from last inform call
*/
protected void
informStateChanged()
{
// whenever the state changes we'll get called
try{
listeners_mon.enter();
int new_state = controller.getState();
boolean new_force_start = controller.isForceStart();
if ( new_state != last_informed_state ||
new_force_start != latest_informed_force_start ){
last_informed_state = new_state;
latest_informed_force_start = new_force_start;
listeners.dispatch( LDT_STATECHANGED, new Object[]{ this, new Integer( new_state )});
}
}finally{
listeners_mon.exit();
}
}
protected void
informDownloadEnded()
{
try{
listeners_mon.enter();
listeners.dispatch( LDT_DOWNLOADCOMPLETE, new Object[]{ this });
}finally{
listeners_mon.exit();
}
}
void informPrioritiesChange(
List files )
{
controller.filePrioritiesChanged(files);
try{
listeners_mon.enter();
for(int i=0;i<files.size();i++)
listeners.dispatch( LDT_FILEPRIORITYCHANGED, new Object[]{ this, (DiskManagerFileInfo)files.get(i) });
}finally{
listeners_mon.exit();
}
requestAssumedCompleteMode();
}
protected void
informPriorityChange(
DiskManagerFileInfo file )
{
informPrioritiesChange(Collections.singletonList(file));
}
protected void
informPositionChanged(
int new_position )
{
try{
listeners_mon.enter();
int old_position = position;
if ( new_position != old_position ){
position = new_position;
listeners.dispatch(
LDT_POSITIONCHANGED,
new Object[]{ this, new Integer( old_position ), new Integer( new_position )});
// an active torrent changed its position, scheduling needs to be updated
if(getState() == DownloadManager.STATE_SEEDING || getState() == DownloadManager.STATE_DOWNLOADING)
PeerControlSchedulerFactory.getSingleton().updateScheduleOrdering();
}
}finally{
listeners_mon.exit();
}
}
public void
addPeerListener(
DownloadManagerPeerListener listener )
{
addPeerListener(listener, true);
}
public void
addPeerListener(
DownloadManagerPeerListener listener,
boolean bDispatchForExisting )
{
try{
peer_listeners_mon.enter();
peer_listeners.addListener( listener );
if (!bDispatchForExisting)
return; // finally will call
for (int i=0;i<current_peers.size();i++){
peer_listeners.dispatch( listener, LDT_PE_PEER_ADDED, current_peers.get(i));
}
PEPeerManager temp = controller.getPeerManager();
if ( temp != null ){
peer_listeners.dispatch( listener, LDT_PE_PM_ADDED, temp );
}
}finally{
peer_listeners_mon.exit();
}
}
public void
removePeerListener(
DownloadManagerPeerListener listener )
{
peer_listeners.removeListener( listener );
}
public void
addPieceListener(
DownloadManagerPieceListener listener )
{
addPieceListener(listener, true);
}
public void
addPieceListener(
DownloadManagerPieceListener listener,
boolean bDispatchForExisting )
{
try{
piece_listeners_mon.enter();
piece_listeners.addListener( listener );
if (!bDispatchForExisting)
return; // finally will call
for (int i=0;i<current_pieces.size();i++){
piece_listeners.dispatch( listener, LDT_PE_PIECE_ADDED, current_pieces.get(i));
}
}finally{
piece_listeners_mon.exit();
}
}
public void
removePieceListener(
DownloadManagerPieceListener listener )
{
piece_listeners.removeListener( listener );
}
public void
addPeer(
PEPeer peer )
{
try{
peer_listeners_mon.enter();
current_peers.add( peer );
peer_listeners.dispatch( LDT_PE_PEER_ADDED, peer );
}finally{
peer_listeners_mon.exit();
}
}
public void
removePeer(
PEPeer peer )
{
try{
peer_listeners_mon.enter();
current_peers.remove( peer );
peer_listeners.dispatch( LDT_PE_PEER_REMOVED, peer );
}finally{
peer_listeners_mon.exit();
}
// if we're a seed and they're a seed then no point in keeping in the announce cache
// if it happens to be there - avoid seed-seed connections in the future
if ( (peer.isSeed() || peer.isRelativeSeed()) && isDownloadComplete( false )){
TRTrackerAnnouncer announcer = tracker_client;
if ( announcer != null ){
announcer.removeFromTrackerResponseCache( peer.getIp(), peer.getTCPListenPort());
}
}
}
public PEPeer[]
getCurrentPeers()
{
try{
peer_listeners_mon.enter();
return (PEPeer[])current_peers.toArray(new PEPeer[current_peers.size()]);
}finally{
peer_listeners_mon.exit();
}
}
public void
addPiece(
PEPiece piece )
{
try{
piece_listeners_mon.enter();
current_pieces.add( piece );
piece_listeners.dispatch( LDT_PE_PIECE_ADDED, piece );
}finally{
piece_listeners_mon.exit();
}
}
public void
removePiece(
PEPiece piece )
{
try{
piece_listeners_mon.enter();
current_pieces.remove( piece );
piece_listeners.dispatch( LDT_PE_PIECE_REMOVED, piece );
}finally{
piece_listeners_mon.exit();
}
}
public PEPiece[]
getCurrentPieces()
{
try{
piece_listeners_mon.enter();
return (PEPiece[])current_pieces.toArray(new PEPiece[current_pieces.size()]);
}finally{
piece_listeners_mon.exit();
}
}
protected void
informWillBeStarted(
PEPeerManager pm )
{
// hack I'm afraid - sometimes we want synchronous notification of a peer manager's
// creation before it actually starts
List l = peer_listeners.getListenersCopy();
for (int i=0;i<l.size();i++){
try{
((DownloadManagerPeerListener)l.get(i)).peerManagerWillBeAdded( pm );
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
protected void
informStarted(
PEPeerManager pm )
{
try{
peer_listeners_mon.enter();
peer_listeners.dispatch( LDT_PE_PM_ADDED, pm );
}finally{
peer_listeners_mon.exit();
}
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null ){
tc.update( true );
}
}
protected void
informStopped(
PEPeerManager pm,
boolean for_queue ) // can be null if controller was already stopped....
{
if ( pm != null ){
try{
peer_listeners_mon.enter();
peer_listeners.dispatch( LDT_PE_PM_REMOVED, pm );
}finally{
peer_listeners_mon.exit();
}
}
try{
this_mon.enter();
if ( tracker_client != null ){
tracker_client.addListener( stopping_tracker_client_listener );
tracker_client.removeListener( tracker_client_listener );
download_manager_state.setTrackerResponseCache( tracker_client.getTrackerResponseCache());
// we have serialized what we need -> can destroy retained stuff now
tracker_client.getLastResponse().setPeers(new TRTrackerAnnouncerResponsePeer[0]);
// currently only report this for complete downloads...
tracker_client.stop( for_queue && isDownloadComplete( false ));
tracker_client.destroy();
tracker_client = null;
}
}finally{
this_mon.exit();
}
}
public DownloadManagerStats
getStats()
{
return( stats );
}
public boolean
isForceStart()
{
return( controller.isForceStart());
}
public void
setForceStart(
boolean forceStart)
{
controller.setForceStart( forceStart );
}
/**
* Is called when a download is finished.
* Activates alerts for the user.
*
* @param never_downloaded true indicates that we never actually downloaded
* anything in this session, but we determined that
* the download is complete (usually via
* startDownload())
*
* @author Rene Leonhardt
*/
protected void
downloadEnded(
boolean never_downloaded )
{
if ( !never_downloaded ){
if (isForceStart()){
setForceStart(false);
}
setAssumedComplete(true);
informDownloadEnded();
}
TRTrackerAnnouncer tc = tracker_client;
if ( tc != null ){
DiskManager dm = getDiskManager();
// only report "complete" if we really are complete, not a dnd completion event
if ( dm != null && dm.getRemaining() == 0 ){
tc.complete( never_downloaded );
}
}
}
public void
addDiskListener(
DownloadManagerDiskListener listener )
{
controller.addDiskListener( listener );
}
public void
removeDiskListener(
DownloadManagerDiskListener listener )
{
controller.removeDiskListener( listener );
}
public void
addActivationListener(
DownloadManagerActivationListener listener )
{
activation_listeners.add( listener );
}
public void
removeActivationListener(
DownloadManagerActivationListener listener )
{
activation_listeners.remove( listener );
}
public int
getHealthStatus()
{
int state = getState();
PEPeerManager peerManager = controller.getPeerManager();
TRTrackerAnnouncer tc = getTrackerClient();
if( tc != null && peerManager != null && (state == STATE_DOWNLOADING || state == STATE_SEEDING)) {
int nbSeeds = getNbSeeds();
int nbPeers = getNbPeers();
int nbRemotes = peerManager.getNbRemoteConnectionsExcludingUDP();
TRTrackerAnnouncerResponse announce_response = tc.getLastResponse();
int trackerStatus = announce_response.getStatus();
boolean isSeed = (state == STATE_SEEDING);
if( (nbSeeds + nbPeers) == 0) {
if( isSeed ){
return WEALTH_NO_TRACKER; // not connected to any peer and seeding
}
return WEALTH_KO; // not connected to any peer and downloading
}
// read the spec for this!!!!
// no_tracker =
// 1) if downloading -> no tracker
// 2) if seeding -> no connections (dealt with above)
if ( !isSeed ){
if( trackerStatus == TRTrackerAnnouncerResponse.ST_OFFLINE ||
trackerStatus == TRTrackerAnnouncerResponse.ST_REPORTED_ERROR){
return WEALTH_NO_TRACKER;
}
}
if( nbRemotes == 0 ){
TRTrackerScraperResponse scrape_response = getTrackerScrapeResponse();
if ( scrape_response != null && scrape_response.isValid()){
// if we're connected to everyone then report OK as we can't get
// any incoming connections!
if ( nbSeeds == scrape_response.getSeeds() &&
nbPeers == scrape_response.getPeers()){
return WEALTH_OK;
}
}
return WEALTH_NO_REMOTE;
}
return WEALTH_OK;
} else if (state == STATE_ERROR) {
return WEALTH_ERROR;
}else{
return WEALTH_STOPPED;
}
}
public int
getNATStatus()
{
int state = getState();
PEPeerManager peerManager = controller.getPeerManager();
TRTrackerAnnouncer tc = getTrackerClient();
if ( tc != null && peerManager != null && (state == STATE_DOWNLOADING || state == STATE_SEEDING)) {
if ( peerManager.getNbRemoteConnectionsExcludingUDP() > 0 ){
return( ConnectionManager.NAT_OK );
}
long last_good_time = peerManager.getLastRemoteConnectionTime();
if ( last_good_time > 0 ){
// half an hour's grace
if ( SystemTime.getCurrentTime() - last_good_time < 30*60*1000 ){
return( ConnectionManager.NAT_OK );
}else{
return( ConnectionManager.NAT_PROBABLY_OK );
}
}
TRTrackerAnnouncerResponse announce_response = tc.getLastResponse();
int trackerStatus = announce_response.getStatus();
if( trackerStatus == TRTrackerAnnouncerResponse.ST_OFFLINE ||
trackerStatus == TRTrackerAnnouncerResponse.ST_REPORTED_ERROR){
return ConnectionManager.NAT_UNKNOWN;
}
// tracker's ok but no remotes - give it some time
if ( SystemTime.getCurrentTime() - peerManager.getTimeStarted() < 3*60*1000 ){
return ConnectionManager.NAT_UNKNOWN;
}
TRTrackerScraperResponse scrape_response = getTrackerScrapeResponse();
if ( scrape_response != null && scrape_response.isValid()){
// if we're connected to everyone then report OK as we can't get
// any incoming connections!
if ( peerManager.getNbSeeds() == scrape_response.getSeeds() &&
peerManager.getNbPeers() == scrape_response.getPeers()){
return ConnectionManager.NAT_UNKNOWN;
}
}
return ConnectionManager.NAT_BAD;
}else{
return ConnectionManager.NAT_UNKNOWN;
}
}
public int
getPosition()
{
return position;
}
public void
setPosition(
int new_position )
{
informPositionChanged( new_position );
}
public void
addTrackerListener(
DownloadManagerTrackerListener listener )
{
tracker_listeners.addListener( listener );
}
public void
removeTrackerListener(
DownloadManagerTrackerListener listener )
{
tracker_listeners.removeListener( listener );
}
protected void
deleteDataFiles()
{
DiskManagerFactory.deleteDataFiles(torrent, torrent_save_location.getParent(), torrent_save_location.getName());
// Attempted fix for bug 1572356 - apparently sometimes when we perform removal of a download's data files,
// it still somehow gets processed by the move-on-removal rules. I'm making the assumption that this method
// is only called when a download is about to be removed.
this.getDownloadState().setFlag(DownloadManagerState.FLAG_DISABLE_AUTO_FILE_MOVE, true);
}
protected void
deleteTorrentFile()
{
if ( torrentFileName != null ){
TorrentUtils.delete( new File(torrentFileName));
}
}
public DownloadManagerState
getDownloadState()
{
return( download_manager_state );
}
public Object getData (String key){ return( getUserData( key ));}
public void setData (String key, Object value){ setUserData( key, value ); }
/** To retreive arbitrary objects against a download. */
public Object getUserData (Object key) {
if (data == null) return null;
return data.get(key);
}
/** To store arbitrary objects against a download. */
public void setUserData (Object key, Object value) {
try{
peer_listeners_mon.enter();
if (data == null) {
data = new LightHashMap();
}
if (value == null) {
if (data.containsKey(key))
data.remove(key);
} else {
data.put(key, value);
}
}finally{
peer_listeners_mon.exit();
}
}
public boolean
isDataAlreadyAllocated()
{
return data_already_allocated;
}
public void
setDataAlreadyAllocated(
boolean already_allocated )
{
data_already_allocated = already_allocated;
}
public void setSeedingRank(int rank) {
iSeedingRank = rank;
}
public int getSeedingRank() {
return iSeedingRank;
}
public long
getCreationTime()
{
return( creation_time );
}
public void
setCreationTime(
long t )
{
creation_time = t;
}
public boolean isExtendedMessagingEnabled() { return az_messaging_enabled; }
public void
setAZMessagingEnabled(
boolean enable )
{
az_messaging_enabled = enable;
}
public void
setCryptoLevel(
int level )
{
crypto_level = level;
}
public int
getCryptoLevel()
{
return( crypto_level );
}
public void
moveDataFiles(
File new_parent_dir )
throws DownloadManagerException
{
this.moveDataFiles(new_parent_dir, null);
}
public void renameDownload(String new_name) throws DownloadManagerException {
this.moveDataFiles(null, new_name);
}
public void
moveDataFiles(
final File destination,
final String new_name)
throws DownloadManagerException
{
if (destination == null && new_name == null) {
throw new NullPointerException("destination and new name are both null");
}
if (!canMoveDataFiles()) {
throw new DownloadManagerException("canMoveDataFiles is false!");
}
/**
* Test to see if the download is to be moved somewhere where it already
* exists. Perhaps you might think it is slightly unnecessary to check this,
* but I would prefer this test left in - we want to prevent pausing
* unnecessarily pausing a running torrent (it fires off listeners, which
* might try to move the download).
*
* This helps us avoid a situation with AzCatDest...
*/
SaveLocationChange slc = new SaveLocationChange();
slc.download_location = destination;
slc.download_name = new_name;
File current_location = getSaveLocation();
if (slc.normaliseDownloadLocation(current_location).equals(current_location)) {
return;
}
try{
FileUtil.runAsTask(
new AzureusCoreOperationTask()
{
public void
run(
AzureusCoreOperation operation)
{
try{
moveDataFilesSupport( destination, new_name );
}catch( DownloadManagerException e ){
throw( new RuntimeException( e ));
}
}
});
}catch( RuntimeException e ){
Throwable cause = e.getCause();
if ( cause instanceof DownloadManagerException ){
throw((DownloadManagerException)cause);
}
throw( e );
}
}
private void
moveDataFilesSupport(
File new_parent_dir,
String new_filename)
throws DownloadManagerException
{
boolean is_paused = this.pause();
try {moveDataFilesSupport0(new_parent_dir, new_filename);}
finally {if (is_paused) {this.resume();}}
}
private void moveDataFilesSupport0(
File new_parent_dir,
String new_filename) throws DownloadManagerException {
if (!canMoveDataFiles()){
throw new DownloadManagerException("canMoveDataFiles is false!");
}
if (new_filename != null) {new_filename = FileUtil.convertOSSpecificChars(new_filename,false);}
// old file will be a "file" for simple torrents, a dir for non-simple
File old_file = getSaveLocation();
try{
old_file = old_file.getCanonicalFile();
if (new_parent_dir != null) {new_parent_dir = new_parent_dir.getCanonicalFile();}
}catch( Throwable e ){
Debug.printStackTrace(e);
throw( new DownloadManagerException( "Failed to get canonical paths", e ));
}
File current_save_location = old_file;
File new_save_location = new File(
(new_parent_dir == null) ? old_file.getParentFile() : new_parent_dir,
(new_filename == null) ? old_file.getName() : new_filename
);
if (current_save_location.equals(new_save_location)) {
// null operation
return;
}
DiskManager dm = getDiskManager();
if ( dm == null || dm.getFiles() == null){
if ( !old_file.exists()){
// files not created yet
FileUtil.mkdirs(new_save_location.getParentFile());
setTorrentSaveDir(new_save_location.getParent().toString(), new_save_location.getName());
return;
}
try{
new_save_location = new_save_location.getCanonicalFile();
}catch( Throwable e ){
Debug.printStackTrace(e);
}
if ( old_file.equals( new_save_location )){
// nothing to do
} else if (torrent.isSimpleTorrent()) {
// Have to keep the file name in sync if we're renaming.
if (controller.getDiskManagerFileInfo()[0].setLinkAtomic(new_save_location)) {
setTorrentSaveDir( new_save_location.getParentFile().toString(), new_save_location.getName());
} else {throw new DownloadManagerException( "rename operation failed");}
}else{
if (FileUtil.isAncestorOf(old_file, new_save_location)) {
Logger.logTextResource(new LogAlert(this, LogAlert.REPEATABLE,
LogAlert.AT_ERROR, "DiskManager.alert.movefilefails"),
new String[] {old_file.toString(), "Target is sub-directory of files" });
throw( new DownloadManagerException( "rename operation failed" ));
}
// The files we move must be limited to those mentioned in the torrent.
final HashSet files_to_move = new HashSet();
// Required for the adding of parent directories logic.
files_to_move.add(null);
DiskManagerFileInfo[] info_files = controller.getDiskManagerFileInfo();
for (int i=0; i<info_files.length; i++) {
File f = info_files[i].getFile(true);
try {f = f.getCanonicalFile();}
catch (IOException ioe) {f = f.getAbsoluteFile();}
boolean added_entry = files_to_move.add(f);
/**
* Start adding all the parent directories to the
* files_to_move list. Doesn't matter if we include
* files which are outside of the file path, the
* renameFile call won't try to move those directories
* anyway.
*/
while (added_entry) {
f = f.getParentFile();
added_entry = files_to_move.add(f);
}
}
FileFilter ff = new FileFilter() {
public boolean accept(File f) {return files_to_move.contains(f);}
};
if ( FileUtil.renameFile( old_file, new_save_location, false, ff )){
setTorrentSaveDir( new_save_location.getParentFile().toString(), new_save_location.getName());
}else{
throw( new DownloadManagerException( "rename operation failed" ));
}
}
}else{
dm.moveDataFiles( new_save_location.getParentFile(), new_save_location.getName());
}
}
public void moveTorrentFile(File new_parent_dir) throws DownloadManagerException {
this.moveTorrentFile(new_parent_dir, null);
}
public void moveTorrentFile(File new_parent_dir, String new_name) throws DownloadManagerException {
SaveLocationChange slc = new SaveLocationChange();
slc.torrent_location = new_parent_dir;
slc.torrent_name = new_name;
File torrent_file_now = new File(getTorrentFileName());
if (!slc.isDifferentTorrentLocation(torrent_file_now)) {return;}
boolean is_paused = this.pause();
try {moveTorrentFile0(new_parent_dir, new_name);}
finally {if (is_paused) {this.resume();}}
}
private void moveTorrentFile0(
File new_parent_dir,
String new_name)
throws DownloadManagerException
{
if ( !canMoveDataFiles()){
throw( new DownloadManagerException( "Cannot move torrent file" ));
}
setTorrentFile(new_parent_dir, new_name);
}
public void setTorrentFile(File new_parent_dir, String new_name) throws DownloadManagerException {
File old_file = new File( getTorrentFileName() );
if ( !old_file.exists()){
Debug.out( "torrent file doesn't exist!" );
return;
}
if (new_parent_dir == null) {new_parent_dir = old_file.getParentFile();}
if (new_name == null) {new_name = old_file.getName();}
File new_file = new File(new_parent_dir, new_name);
try{
old_file = old_file.getCanonicalFile();
new_file = new_file.getCanonicalFile();
}catch( Throwable e ){
Debug.printStackTrace(e);
throw( new DownloadManagerException( "Failed to get canonical paths", e ));
}
// Nothing to do.
if ( new_file.equals(old_file)) {return;}
if (TorrentUtils.move( old_file, new_file )){
setTorrentFileName( new_file.toString());
}else{
throw( new DownloadManagerException( "rename operation failed" ));
}
}
public File[] calculateDefaultPaths() {
SaveLocationChange slc = DownloadManagerMoveHandler.recalculatePath(this);
if (slc == null) {return null;}
return new File[] {slc.download_location, slc.torrent_location};
}
public boolean isInDefaultSaveDir() {
return DownloadManagerDefaultPaths.isInDefaultDownloadDir(this);
}
public boolean
seedPieceRecheck()
{
PEPeerManager pm = controller.getPeerManager();
if ( pm != null ){
return( pm.seedPieceRecheck());
}
return( false );
}
public void
addRateLimiter(
LimitedRateGroup group,
boolean upload )
{
controller.addRateLimiter( group, upload );
}
public void
removeRateLimiter(
LimitedRateGroup group,
boolean upload )
{
controller.removeRateLimiter( group, upload );
}
private byte[]
getIdentity()
{
return( dl_identity );
}
/** @retun true, if the other DownloadManager has the same hash
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj)
{
// check for object equivalence first!
if ( this == obj ){
return( true );
}
if( obj instanceof DownloadManagerImpl ) {
DownloadManagerImpl other = (DownloadManagerImpl) obj;
byte[] id1 = getIdentity();
byte[] id2 = other.getIdentity();
if ( id1 == null || id2 == null ){
return( false ); // broken torrents - treat as different so shown
// as broken
}
return( Arrays.equals( id1, id2 ));
}
return false;
}
public int
hashCode()
{
return dl_identity_hashcode;
}
/* (non-Javadoc)
* @see org.gudy.azureus2.core3.logging.LogRelation#getLogRelationText()
*/
public String getRelationText() {
return "TorrentDLM: '" + getDisplayName() + "'";
}
/* (non-Javadoc)
* @see org.gudy.azureus2.core3.logging.LogRelation#queryForClass(java.lang.Class)
*/
public Object[] getQueryableInterfaces() {
return new Object[] { tracker_client };
}
public String toString() {
String hash = "<unknown>";
try {
hash = ByteFormatter.encodeString(torrent.getHash());
} catch (Throwable e) {
}
String status = DisplayFormatters.formatDownloadStatus(this);
if (status.length() > 10) {
status = status.substring(0, 10);
}
return "DownloadManagerImpl#" + getPosition()
+ (getAssumedComplete() ? "s" : "d") + "@"
+ Integer.toHexString(hashCode()) + "/"
+ status + "/"
+ hash;
}
protected static class
NoStackException
extends Exception
{
protected
NoStackException(
String str )
{
super( str );
}
}
public void
generateEvidence(
IndentWriter writer )
{
writer.println(toString());
PEPeerManager pm = getPeerManager();
try {
writer.indent();
writer.println("Save Dir: "
+ Debug.secretFileName(getSaveLocation().toString()));
if (current_peers.size() > 0) {
writer.println("# Peers: " + current_peers.size());
}
if (current_pieces.size() > 0) {
writer.println("# Pieces: " + current_pieces.size());
}
writer.println("Listeners: DownloadManager=" + listeners.size() + "; Disk="
+ controller.getDiskListenerCount() + "; Peer=" + peer_listeners.size()
+ "; Tracker=" + tracker_listeners.size());
writer.println("SR: " + iSeedingRank);
String sFlags = "";
if (open_for_seeding) {
sFlags += "Opened for Seeding; ";
}
if (data_already_allocated) {
sFlags += "Data Already Allocated; ";
}
if (assumedComplete) {
sFlags += "onlySeeding; ";
}
if (persistent) {
sFlags += "persistent; ";
}
if (sFlags.length() > 0) {
writer.println("Flags: " + sFlags);
}
stats.generateEvidence( writer );
download_manager_state.generateEvidence( writer );
if (pm != null) {
pm.generateEvidence(writer);
}
// note, PeerManager generates DiskManager evidence
controller.generateEvidence(writer);
TRTrackerAnnouncer announcer = tracker_client;
if ( announcer != null ){
announcer.generateEvidence( writer );
}
TRTrackerScraperResponse scrape = getTrackerScrapeResponse();
if ( scrape == null ){
writer.println( "Scrape: null" );
}else{
writer.println( "Scrape: " + scrape.getString());
}
} finally {
writer.exdent();
}
}
public void
destroy(
boolean is_duplicate )
{
destroyed = true;
if ( is_duplicate ){
// minimal tear-down
controller.destroy();
}else{
try{
// Data files don't exist, so we just don't do anything.
if (!getSaveLocation().exists()) {return;}
DiskManager dm = this.getDiskManager();
if (dm != null) {
dm.downloadRemoved();
return;
}
SaveLocationChange move_details;
move_details = DownloadManagerMoveHandler.onRemoval(this);
if (move_details == null) {
return;
}
boolean can_move_torrent = move_details.hasTorrentChange();
try {
if (move_details.hasDownloadChange()) {
this.moveDataFiles(move_details.download_location, move_details.download_name);
}
}
catch (Exception e) {
can_move_torrent = false;
Logger.log(new LogAlert(this, true,
"Problem moving files to removed download directory", e));
}
// This code will silently fail if the torrent file doesn't exist.
if (can_move_torrent) {
try {
this.moveTorrentFile(move_details.torrent_location, move_details.torrent_name);
}
catch (Exception e) {
Logger.log(new LogAlert(this, true,
"Problem moving torrent to removed download directory", e));
}
}
}finally{
clearFileLinks();
controller.destroy();
}
}
}
public boolean
isDestroyed()
{
return( destroyed );
}
public int[] getStorageType(DiskManagerFileInfo[] info) {
String[] types = DiskManagerImpl.getStorageTypes(this);
int[] result = new int[types.length];
boolean is_linear;
for (int i=0; i<info.length; i++) {
is_linear = types[info[i].getIndex()].equals("L");
result[i] = is_linear ? DiskManagerFileInfo.ST_LINEAR : DiskManagerFileInfo.ST_COMPACT;
}
return result;
}
public boolean canMoveDataFiles() {
if (!isPersistent()) {return false;}
return true;
}
public void rename(String name) throws DownloadManagerException {
boolean paused = this.pause();
try {
this.renameDownload(name);
this.getDownloadState().setAttribute(DownloadManagerState.AT_DISPLAY_NAME, name);
this.renameTorrentSafe(name);
}
finally {
if (paused) {this.resume();}
}
}
public void renameTorrent(String name) throws DownloadManagerException {
this.moveTorrentFile(null, name);
}
private void renameTorrentSafe(String name) throws DownloadManagerException {
String torrent_parent = new File(this.getTorrentFileName()).getParent();
String torrent_name = name;
File new_path = new File(torrent_parent, torrent_name + ".torrent");
if (new_path.exists()) {new_path = null;}
for (int i=1; i<10; i++) {
if (new_path != null) {break;}
new_path = new File(torrent_parent, torrent_name + "(" + i + ").torrent");
if (new_path.exists()) {new_path = null;}
}
if (new_path == null) {
throw new DownloadManagerException("cannot rename torrent file - file already exists");
}
this.renameTorrent(new_path.getName());
}
}
The table below shows all metrics for DownloadManagerImpl.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 550.00 | Number of blocks | |
| BLOCK_COMMENT | 106.00 | Number of block comment lines | |
| COMMENTS | 355.00 | Comment lines | |
| COMMENT_DENSITY | 0.20 | Comment density | |
| COMPARISONS | 297.00 | Number of comparison operators | |
| CYCLOMATIC | 505.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 28.00 | Comments in declarations | |
| DOC_COMMENT | 60.00 | Number of javadoc comment lines | |
| ELOC | 1744.00 | Effective lines of code | |
| EXEC_COMMENTS | 102.00 | Comments in executable code | |
| EXITS | 334.00 | Procedure exits | |
| FUNCTIONS | 184.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 99.69 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 421.00 | Interface complexity | |
| JAVA0001 | 1.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 1.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 9.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 1.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 13.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| J | |||