src/utils/plasmamule/plasma-engine-plasmamule.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2010 Werner Mahr (Vollstrecker) <amule@vollstreckernet.de>
   5 //
   6 // Any parts of this program contributed by third-party developers are copyrighted
   7 // by their respective authors.
   8 //
   9 // This program is free software; you can redistribute it and/or modify
  10 // it under the terms of the GNU General Public License as published by
  11 // the Free Software Foundation; either version 3 of the License, or
  12 // (at your option) any later version.
  13 //
  14 // This program is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License
  20 // along with this program; if not, write to the Free Software
  21 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  22 //
  23
  24 #include "plasma-engine-plasmamule.h"
  25 #include "qt-emc.h"
  26
  27 #include <kdebug.h>
  28 #include <knotification.h>
  29
  30 #include <kio/scheduler.h>
  31
  32 #include <plasma/datacontainer.h>
  33
  34 #include <QDir>
  35 #include <QTimer>
  36
  37 #include <QtDBus/QDBusInterface>
  38
  39 PlasmaMuleEngine::PlasmaMuleEngine (QObject* parent, const QVariantList& args)
  40         : Plasma::DataEngine (parent, args)
  41 {
  42         Q_UNUSED (args)
  43         setMinimumPollingInterval (0);
  44 }
  45
  46 bool PlasmaMuleEngine::sourceRequestEvent (const QString &name)
  47 {
  48         return updateSourceEvent (name);
  49 }
  50
  51 QStringList PlasmaMuleEngine::sources() const
  52 {
  53         return QStringList() << "cat_dirs"
  54                 << "cat_names"
  55                 << "clients_in_up_queue"
  56                 << "config_found"
  57                 << "down_speed"
  58                 << "ed2k_state"
  59                 << "ed2k_server_name"
  60                 << "ed2k_server_ip"
  61                 << "ed2k_server_port"
  62                 << "ed2k_id_high_low"
  63                 << "kad_status"
  64                 << "nickname"
  65                 << "os_active"
  66                 << "session_bytes_downloaded"
  67                 << "session_bytes_uploaded"
  68                 << "shared_files_count"
  69                 << "total_bytes_downloaded"
  70                 << "total_bytes_uploaded"
  71                 << "up_speed"
  72                 << "uptime"
  73                 << "version";
  74 }
  75
  76 void PlasmaMuleEngine::init ()
  77 {
  78         Home = QDir::homePath();
  79
  80         QTimer *timer = new QTimer(this);
  81         connect(timer, SIGNAL(timeout()), this, SLOT(timeout()));
  82         timer->start(60000);
  83         m_timer = TRUE;
  84         setData(I18N_NOOP("uptime"), 0);
  85
  86         if (!Home.endsWith("/"))
  87         {
  88                 Home += "/";
  89         }
  90
  91         m_debugChannel = KDebug::registerArea ("plasmamule-engine",
  92 #ifdef __DEBUG__
  93         true
  94 #else
  95         false
  96 #endif
  97         );
  98
  99         regDbus();
 100         initVals();
 101 }
 102
 103 void PlasmaMuleEngine::regDbus ()
 104 {
 105         new EngineAdaptor(this);
 106         QDBusConnection dbus = QDBusConnection::sessionBus();
 107         dbus.registerObject("/Link", this);
 108         kDebug(m_debugChannel) << "Registerred dbus: " << dbus.registerService("org.amule.engine");
 109 }
 110
 111 void PlasmaMuleEngine::downloadFinished (KIO::Job* job,const QByteArray& data)
 112 {
 113
 114         if (data.length() == 0)
 115         {
 116                 KNotification::event(KNotification::Notification, QString("Download of %1 failed.").arg(job->queryMetaData("Name")));
 117                 return;
 118         }
 119
 120         kDebug(m_debugChannel) << QString("Finished download of %1").arg(job->queryMetaData("Name"));
 121
 122         QString downloadFileName(QString("/tmp/plasmamule-download-%1.emulecollection").arg(qrand()));
 123
 124         QFile downloadFile(downloadFileName);
 125
 126         if (!downloadFile.open (QIODevice::WriteOnly | QIODevice::Append))
 127         {
 128                 KNotification::event(KNotification::Notification, QString("%1 can't be written to temp-file.").arg(job->queryMetaData("Name")));
 129                 return;
 130         }
 131
 132         QDataStream out(&downloadFile);
 133         out.writeRawData(data, data.length());
 134         downloadFile.close();
 135
 136         engine_add_link (downloadFileName, job->queryMetaData("Category").toInt(), job->queryMetaData("Name"));
 137
 138         downloadFile.remove();
 139 }
 140
 141 void PlasmaMuleEngine::engine_add_link (const QString &link, const int &category, const QString &printname)
 142 {
 143         kDebug(m_debugChannel) << "Received Link " << link << " with cat " << category;
 144
 145         QString link_to_write;
 146
 147
 148         if (link.startsWith("ed2k:") || link.startsWith("magnet:"))
 149         {
 150                 link_to_write = link;
 151
 152                 if (category > 0)
 153                 {
 154                         link_to_write.append(QString(":%1").arg(category));
 155                 }
 156
 157                 link_to_write.append("\n");
 158         } else if (link.contains(".emulecollection") && KUrl(link).isLocalFile())
 159         {
 160                 qtEmc* collection = new qtEmc(link);
 161                 if (collection->isValid())
 162                 {
 163                         QStringList links = collection->getLinks();
 164                         for (QStringList::const_iterator constIterator = links.constBegin(); constIterator != links.constEnd(); constIterator++)
 165                         {
 166                                 link_to_write.append(*constIterator);
 167
 168                                 if (category > 0)
 169                                 {
 170                                         link_to_write.append(QString(":%1").arg(category));
 171                                 }
 172
 173                                 link_to_write.append("\n");
 174                         }
 175                 } else {
 176                         KNotification::event(KNotification::Notification, collection->getErrorMessage());
 177                 }
 178
 179                 delete collection;
 180         } else {
 181                 KIO::TransferJob *job = KIO::get(KUrl(link));
 182                 job->addMetaData("Name", link);
 183                 job->addMetaData("Category", QString(category));
 184                 connect (job, SIGNAL(data(KIO::Job *, const QByteArray&)), this,
 185                         SLOT(downloadFinished(KIO::Job *,const QByteArray&)));
 186                 kDebug(m_debugChannel) << QString("Starting download of %1").arg(printname);
 187                 return;
 188         }
 189
 190         QFile link_file (Home + ".aMule/ED2KLinks");
 191
 192         if (!link_file.open (QIODevice::WriteOnly | QIODevice::Append))
 193         {
 194                 KNotification::event(KNotification::Notification, QString("Problem opening %1 for writing").arg(link_file.fileName()));
 195                 return;
 196         }
 197
 198         QTextStream out (&link_file);
 199         out << link_to_write;
 200         out.flush();
 201         link_file.close();
 202
 203         KNotification::event(KNotification::Notification, QString("Downloading %1").arg(printname));
 204
 205 }
 206
 207 void PlasmaMuleEngine::initVals ()
 208 {
 209         QStringList catDir;
 210         QStringList catName;
 211         QStringList tempIncomingDirs;
 212         QStringList cleanedIncomingDirs;
 213         QStringList::const_iterator constIterator;
 214
 215         QFile config_file (Home + ".aMule/amule.conf");
 216
 217         catName.append("Default");
 218         if (!config_file.open (QIODevice::ReadOnly | QIODevice::Text))
 219         {
 220                 setData(I18N_NOOP ("config_found"), FALSE);
 221                 return;
 222         }
 223
 224         QTextStream in (&config_file);
 225         while (!in.atEnd())
 226         {
 227                 QString line = in.readLine();
 228                 if (line.startsWith ("OnlineSignature="))
 229                 {
 230                         if (line.remove (0,line.indexOf ("=")+1) == "1")
 231                         {
 232                                 m_OSActive = TRUE;
 233                         } else {
 234                                 m_OSActive = FALSE;
 235                         }
 236
 237                         setData(I18N_NOOP ("os_active"), m_OSActive);
 238                 } else if (line.contains ("OSDirectory"))
 239                 {
 240                         m_OSFile.setFileName(line.remove (0,line.indexOf ("=")+1) + "amulesig.dat");
 241
 242                 } else if (line.contains ("Incoming"))
 243                 {
 244                         if (!tempIncomingDirs.contains(line.remove (0,line.indexOf ("=")+1)))
 245                         {
 246                                 tempIncomingDirs.append(line.remove (0,line.indexOf ("=")+1));
 247                         }
 248
 249                         catDir.append(line.remove (0,line.indexOf ("=")+1));
 250                 } else if (line.startsWith ("Title"))
 251                 {
 252                         catName.append(line.remove (0,line.indexOf ("=")+1));
 253                 }
 254         }
 255
 256         setData(I18N_NOOP ("cat_names"), catName);
 257         setData(I18N_NOOP ("cat_dirs"), catDir);
 258
 259         if (m_OSActive && !m_dirwatcher.contains(m_OSFile.fileName()))
 260         {
 261                 kDebug(m_debugChannel) << "Registering: " << m_OSFile.fileName() << " for monitoring";
 262                 m_dirwatcher.addFile (m_OSFile.fileName());
 263                 connect (&m_dirwatcher, SIGNAL (dirty (const QString &)), SLOT (file_changed (const QString&)));
 264                 connect (&m_dirwatcher, SIGNAL (created (const QString &)), SLOT (new_file (const QString&)));
 265         }
 266
 267         for (constIterator = tempIncomingDirs.constBegin(); constIterator != tempIncomingDirs.constEnd(); constIterator++)
 268         {
 269                 if (!m_dirwatcher.contains(*constIterator))
 270                 {
 271                         kDebug(m_debugChannel) << "Registering: " << *constIterator << " for monitoring";
 272                         cleanedIncomingDirs.append (*constIterator);
 273                         m_dirwatcher.addDir (*constIterator, KDirWatch::WatchFiles);
 274                 } else {
 275                         cleanedIncomingDirs.append (*constIterator);
 276                 }
 277         }
 278
 279         for (constIterator = m_incoming_dirs.constBegin(); constIterator != m_incoming_dirs.constEnd(); constIterator++)
 280         {
 281                 if (!cleanedIncomingDirs.contains (*constIterator))
 282                 {
 283                         kDebug(m_debugChannel) << "Removing " << *constIterator << " from monitored dirs";
 284                         m_dirwatcher.removeDir (*constIterator);
 285                 }
 286         }
 287
 288         m_incoming_dirs = cleanedIncomingDirs;
 289         config_file.close ();
 290         setName("plasmamule");
 291         setData(I18N_NOOP ("config_found"), TRUE);
 292         scheduleSourcesUpdated();
 293 }
 294
 295 void PlasmaMuleEngine::file_changed (const QString &path)
 296 {
 297         if (path == m_OSFile.fileName())
 298         {
 299                 kDebug(m_debugChannel) << "Rereading " << path;
 300                 updateSourceEvent ("dummy");
 301         }
 302 }
 303
 304 void PlasmaMuleEngine::new_file (const QString &path)
 305 {
 306         if (path != m_OSFile.fileName())
 307         {
 308                 kDebug(m_debugChannel) << "File " << path << "was created";
 309                 KNotification::event(KNotification::Notification, QString("Finished Download of %1").arg(path));
 310         } else {
 311                 kDebug(m_debugChannel) << "Rereading " << path;
 312                 updateSourceEvent ("dummy");
 313         }
 314 }
 315
 316 void PlasmaMuleEngine::timeout()
 317 {
 318         initVals();
 319 }
 320
 321 bool PlasmaMuleEngine::updateSourceEvent(const QString &name)
 322 {
 323         Q_UNUSED (name)
 324
 325         if (m_OSFile.open (QIODevice::ReadOnly | QIODevice::Text) && m_OSActive)
 326         {
 327                 QTextStream in (&m_OSFile);
 328                 setData(I18N_NOOP("ed2k_state"), in.readLine().toInt());
 329                 setData(I18N_NOOP("ed2k_server_name"), in.readLine());
 330                 setData(I18N_NOOP("ed2k_server_ip"), in.readLine());
 331                 setData(I18N_NOOP("ed2k_server_port"), in.readLine().toInt());
 332                 setData(I18N_NOOP("ed2k_id_high_low"), in.readLine());
 333                 setData(I18N_NOOP("kad_status"), in.readLine().toInt());
 334                 setData(I18N_NOOP("down_speed"), in.readLine().toDouble());
 335                 setData(I18N_NOOP("up_speed"), in.readLine().toDouble());
 336                 setData(I18N_NOOP("clients_in_up_queue"), in.readLine().toInt());
 337                 setData(I18N_NOOP("shared_files_count"), in.readLine().toInt());
 338                 setData(I18N_NOOP("nickname"), in.readLine());
 339                 setData(I18N_NOOP("total_bytes_downloaded"), in.readLine().toLongLong());
 340                 setData(I18N_NOOP("total_bytes_uploaded"), in.readLine().toLongLong());
 341                 setData(I18N_NOOP("version"), in.readLine());
 342                 setData(I18N_NOOP("session_bytes_downloaded"), in.readLine().toLongLong());
 343                 setData(I18N_NOOP("session_bytes_uploaded"), in.readLine().toLongLong());
 344                 setData(I18N_NOOP("uptime"), in.readLine().toInt());
 345                 m_OSFile.close();
 346                 scheduleSourcesUpdated();
 347                 return true;
 348         } else {
 349                 return false;
 350         }
 351 }
 352
 353 K_EXPORT_PLASMA_DATAENGINE(plasmamule, PlasmaMuleEngine)
 354
 355 EngineAdaptor::EngineAdaptor(QObject *parent): QDBusAbstractAdaptor(parent)
 356 {
 357         setAutoRelaySignals(true);
 358 }
 359
 360 EngineAdaptor::~EngineAdaptor()
 361 {
 362 }
 363
 364 void EngineAdaptor::engine_add_link(const QString &link, const int &category)
 365 {
 366         QMetaObject::invokeMethod(parent(), "engine_add_link", Q_ARG(QString, link), Q_ARG(int, category), Q_ARG(QString, link));
 367 }
 368
 369 #include "plasma-engine-plasmamule.moc"