134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
/*
|
|
* This file Copyright (C) 2009-2010 Mnemosyne LLC
|
|
*
|
|
* This file is licensed by the GPL version 2. Works owned by the
|
|
* Transmission project are granted a special exemption to clause 2(b)
|
|
* so that the bulk of its code can remain under the MIT license.
|
|
* This exemption does not extend to derived works not owned by
|
|
* the Transmission project.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <iostream>
|
|
|
|
#include <QDir>
|
|
#include <QFileSystemWatcher>
|
|
#include <QTimer>
|
|
|
|
#include <libtransmission/transmission.h>
|
|
|
|
#include "prefs.h"
|
|
#include "torrent-model.h"
|
|
#include "watchdir.h"
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
WatchDir :: WatchDir( const TorrentModel& model ):
|
|
myModel( model ),
|
|
myWatcher( 0 )
|
|
{
|
|
}
|
|
|
|
WatchDir :: ~WatchDir( )
|
|
{
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
int
|
|
WatchDir :: metainfoTest( const QString& filename ) const
|
|
{
|
|
int ret;
|
|
tr_info inf;
|
|
tr_ctor * ctor = tr_ctorNew( 0 );
|
|
|
|
// parse
|
|
tr_ctorSetMetainfoFromFile( ctor, filename.toUtf8().constData() );
|
|
const int err = tr_torrentParse( ctor, &inf );
|
|
if( err )
|
|
ret = ERROR;
|
|
else if( myModel.hasTorrent( inf.hashString ) )
|
|
ret = DUPLICATE;
|
|
else
|
|
ret = OK;
|
|
|
|
// cleanup
|
|
if( !err )
|
|
tr_metainfoFree( &inf );
|
|
tr_ctorFree( ctor );
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
WatchDir :: onTimeout( )
|
|
{
|
|
QTimer * t = qobject_cast<QTimer*>(sender());
|
|
const QString filename = t->objectName( );
|
|
if( metainfoTest( filename ) == OK )
|
|
emit torrentFileAdded( filename );
|
|
t->deleteLater( );
|
|
}
|
|
|
|
void
|
|
WatchDir :: setPath( const QString& path, bool isEnabled )
|
|
{
|
|
// clear out any remnants of the previous watcher, if any
|
|
myWatchDirFiles.clear( );
|
|
if( myWatcher ) {
|
|
delete myWatcher;
|
|
myWatcher = 0;
|
|
}
|
|
|
|
// maybe create a new watcher
|
|
if( isEnabled ) {
|
|
myWatcher = new QFileSystemWatcher( );
|
|
myWatcher->addPath( path );
|
|
connect( myWatcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(watcherActivated(const QString&)));
|
|
//std::cerr << "watching " << qPrintable(path) << " for new .torrent files" << std::endl;
|
|
watcherActivated( path ); // trigger the watchdir for .torrent files in there already
|
|
}
|
|
}
|
|
|
|
void
|
|
WatchDir :: watcherActivated( const QString& path )
|
|
{
|
|
const QDir dir(path);
|
|
|
|
// get the list of files currently in the watch directory
|
|
QSet<QString> files;
|
|
foreach( QString str, dir.entryList( QDir::Readable|QDir::Files ) )
|
|
files.insert( str );
|
|
|
|
// try to add any new files which end in .torrent
|
|
const QSet<QString> newFiles( files - myWatchDirFiles );
|
|
foreach( QString name, newFiles ) {
|
|
if( name.endsWith( ".torrent", Qt::CaseInsensitive ) ) {
|
|
const QString filename = dir.absoluteFilePath( name );
|
|
switch( metainfoTest( filename ) ) {
|
|
case OK:
|
|
emit torrentFileAdded( filename );
|
|
break;
|
|
case DUPLICATE:
|
|
break;
|
|
case ERROR: {
|
|
// give the .torrent a few seconds to finish downloading
|
|
QTimer * t = new QTimer( this );
|
|
t->setObjectName( dir.absoluteFilePath( name ) );
|
|
t->setSingleShot( true );
|
|
connect( t, SIGNAL(timeout()), this, SLOT(onTimeout()));
|
|
t->start( 5000 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// update our file list so that we can use it
|
|
// for comparison the next time around
|
|
myWatchDirFiles = files;
|
|
}
|