src/common/quassel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "quassel.h"
  22
  23 #include <signal.h>
  24
  25 #include <QCoreApplication>
  26 #include <QDateTime>
  27 #include <QFileInfo>
  28 #include <QLibraryInfo>
  29 #include <QSettings>
  30 #include <QTranslator>
  31
  32 #include "message.h"
  33 #include "identity.h"
  34 #include "network.h"
  35 #include "bufferinfo.h"
  36 #include "types.h"
  37 #include "syncableobject.h"
  38
  39 Quassel::BuildInfo Quassel::_buildInfo;
  40 AbstractCliParser *Quassel::_cliParser = 0;
  41 Quassel::RunMode Quassel::_runMode;
  42 QString Quassel::_configDirPath;
  43 QString Quassel::_translationDirPath;
  44 QStringList Quassel::_dataDirPaths;
  45 bool Quassel::_initialized = false;
  46 bool Quassel::DEBUG = false;
  47 QString Quassel::_coreDumpFileName;
  48
  49 Quassel::Quassel() {
  50   // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel.
  51   signal(SIGTERM, handleSignal);
  52   signal(SIGINT, handleSignal);
  53
  54   // we have crashhandler for win32 and unix (based on execinfo).
  55   // on mac os we use it's integrated backtrace generator
  56 #if defined(Q_OS_WIN32) || (defined(HAVE_EXECINFO) && !defined(Q_OS_MAC))
  57   signal(SIGABRT, handleSignal);
  58   signal(SIGSEGV, handleSignal);
  59 #  ifndef Q_OS_WIN32
  60   signal(SIGBUS, handleSignal);
  61 #  endif
  62 #endif
  63 }
  64
  65 Quassel::~Quassel() {
  66   delete _cliParser;
  67 }
  68
  69 bool Quassel::init() {
  70   if(_initialized)
  71     return true;  // allow multiple invocations because of MonolithicApplication
  72
  73   _initialized = true;
  74   qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
  75
  76   registerMetaTypes();
  77
  78   Network::setDefaultCodecForServer("ISO-8859-1");
  79   Network::setDefaultCodecForEncoding("UTF-8");
  80   Network::setDefaultCodecForDecoding("ISO-8859-15");
  81
  82   if(isOptionSet("help")) {
  83     cliParser()->usage();
  84     return false;
  85   }
  86
  87   DEBUG = isOptionSet("debug");
  88   return true;
  89 }
  90
  91 //! Register our custom types with Qt's Meta Object System.
  92 /**  This makes them available for QVariant and in signals/slots, among other things.
  93 *
  94 */
  95 void Quassel::registerMetaTypes() {
  96   // Complex types
  97   qRegisterMetaType<QVariant>("QVariant");
  98   qRegisterMetaType<Message>("Message");
  99   qRegisterMetaType<BufferInfo>("BufferInfo");
 100   qRegisterMetaType<NetworkInfo>("NetworkInfo");
 101   qRegisterMetaType<Network::Server>("Network::Server");
 102   qRegisterMetaType<Identity>("Identity");
 103   qRegisterMetaType<Network::ConnectionState>("Network::ConnectionState");
 104
 105   qRegisterMetaTypeStreamOperators<QVariant>("QVariant");
 106   qRegisterMetaTypeStreamOperators<Message>("Message");
 107   qRegisterMetaTypeStreamOperators<BufferInfo>("BufferInfo");
 108   qRegisterMetaTypeStreamOperators<NetworkInfo>("NetworkInfo");
 109   qRegisterMetaTypeStreamOperators<Network::Server>("Network::Server");
 110   qRegisterMetaTypeStreamOperators<Identity>("Identity");
 111   qRegisterMetaTypeStreamOperators<qint8>("Network::ConnectionState");
 112
 113   qRegisterMetaType<IdentityId>("IdentityId");
 114   qRegisterMetaType<BufferId>("BufferId");
 115   qRegisterMetaType<NetworkId>("NetworkId");
 116   qRegisterMetaType<UserId>("UserId");
 117   qRegisterMetaType<AccountId>("AccountId");
 118   qRegisterMetaType<MsgId>("MsgId");
 119
 120   qRegisterMetaTypeStreamOperators<IdentityId>("IdentityId");
 121   qRegisterMetaTypeStreamOperators<BufferId>("BufferId");
 122   qRegisterMetaTypeStreamOperators<NetworkId>("NetworkId");
 123   qRegisterMetaTypeStreamOperators<UserId>("UserId");
 124   qRegisterMetaTypeStreamOperators<AccountId>("AccountId");
 125   qRegisterMetaTypeStreamOperators<MsgId>("MsgId");
 126 }
 127
 128 void Quassel::setupBuildInfo(const QString &generated) {
 129   _buildInfo.applicationName = "Quassel IRC";
 130   _buildInfo.coreApplicationName = "quasselcore";
 131   _buildInfo.clientApplicationName = "quasselclient";
 132   _buildInfo.organizationName = "Quassel Project";
 133   _buildInfo.organizationDomain = "quassel-irc.org";
 134
 135   QStringList gen = generated.split(',');
 136   Q_ASSERT(gen.count() == 10);
 137   _buildInfo.baseVersion = gen[0];
 138   _buildInfo.generatedVersion = gen[1];
 139   _buildInfo.isSourceDirty = !gen[2].isEmpty();
 140   _buildInfo.commitHash = gen[3];
 141   _buildInfo.commitDate = gen[4].toUInt();
 142   _buildInfo.protocolVersion = gen[5].toUInt();
 143   _buildInfo.clientNeedsProtocol = gen[6].toUInt();
 144   _buildInfo.coreNeedsProtocol = gen[7].toUInt();
 145   _buildInfo.buildDate = QString("%1 %2").arg(gen[8], gen[9]);
 146   // create a nice version string
 147   if(_buildInfo.generatedVersion.isEmpty()) {
 148     if(!_buildInfo.commitHash.isEmpty()) {
 149       // dist version
 150       _buildInfo.plainVersionString = QString("v%1 (dist-%2)")
 151                                         .arg(_buildInfo.baseVersion)
 152                                         .arg(_buildInfo.commitHash.left(7));
 153                                         _buildInfo.fancyVersionString
 154                                            = QString("v%1 (dist-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%3\">%2</a>)")
 155                                         .arg(_buildInfo.baseVersion)
 156                                         .arg(_buildInfo.commitHash.left(7))
 157                                         .arg(_buildInfo.commitHash);
 158     } else {
 159     // we only have a base version :(
 160       _buildInfo.plainVersionString = QString("v%1 (unknown rev)").arg(_buildInfo.baseVersion);
 161     }
 162   } else {
 163     // analyze what we got from git-describe
 164     QRegExp rx("(.*)-(\\d+)-g([0-9a-f]+)$");
 165     if(rx.exactMatch(_buildInfo.generatedVersion)) {
 166       QString distance = rx.cap(2) == "0" ? QString() : QString(" [+%1]").arg(rx.cap(2));
 167       _buildInfo.plainVersionString = QString("v%1%2 (git-%3%4)")
 168                                         .arg(rx.cap(1), distance, rx.cap(3))
 169                                         .arg(_buildInfo.isSourceDirty ? "*" : "");
 170       if(!_buildInfo.commitHash.isEmpty()) {
 171         _buildInfo.fancyVersionString = QString("v%1%2 (git-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%5\">%3</a>%4)")
 172                                           .arg(rx.cap(1), distance, rx.cap(3))
 173                                           .arg(_buildInfo.isSourceDirty ? "*" : "")
 174                                           .arg(_buildInfo.commitHash);
 175       }
 176     } else {
 177       _buildInfo.plainVersionString = QString("v%1 (invalid rev)").arg(_buildInfo.baseVersion);
 178     }
 179   }
 180   if(_buildInfo.fancyVersionString.isEmpty())
 181     _buildInfo.fancyVersionString = _buildInfo.plainVersionString;
 182 }
 183
 184 //! Signal handler for graceful shutdown.
 185 void Quassel::handleSignal(int sig) {
 186   switch(sig) {
 187   case SIGTERM:
 188   case SIGINT:
 189     qWarning("%s", qPrintable(QString("Caught signal %1 - exiting.").arg(sig)));
 190     QCoreApplication::quit();
 191     break;
 192   case SIGABRT:
 193   case SIGSEGV:
 194 #ifndef Q_OS_WIN32
 195   case SIGBUS:
 196 #endif
 197     logBacktrace(coreDumpFileName());
 198     exit(EXIT_FAILURE);
 199     break;
 200   default:
 201     break;
 202   }
 203 }
 204
 205 void Quassel::logFatalMessage(const char *msg) {
 206 #ifdef Q_OS_MAC
 207   Q_UNUSED(msg)
 208 #else
 209   QFile dumpFile(coreDumpFileName());
 210   dumpFile.open(QIODevice::Append);
 211   QTextStream dumpStream(&dumpFile);
 212
 213   dumpStream << "Fatal: " << msg << '\n';
 214   dumpStream.flush();
 215   dumpFile.close();
 216 #endif
 217 }
 218
 219 const QString &Quassel::coreDumpFileName() {
 220   if(_coreDumpFileName.isEmpty()) {
 221     QDir configDir(configDirPath());
 222     _coreDumpFileName = configDir.absoluteFilePath(QString("Quassel-Crash-%1.log").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm")));
 223     QFile dumpFile(_coreDumpFileName);
 224     dumpFile.open(QIODevice::Append);
 225     QTextStream dumpStream(&dumpFile);
 226     dumpStream << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash << '\n';
 227     qDebug() << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash;
 228     dumpStream.flush();
 229     dumpFile.close();
 230   }
 231   return _coreDumpFileName;
 232 }
 233
 234 QString Quassel::configDirPath() {
 235   if(!_configDirPath.isEmpty())
 236     return _configDirPath;
 237
 238   if(Quassel::isOptionSet("datadir")) {
 239     qWarning() << "Obsolete option --datadir used!";
 240     _configDirPath = Quassel::optionValue("datadir");
 241   } else if(Quassel::isOptionSet("configdir")) {
 242     _configDirPath = Quassel::optionValue("configdir");
 243   } else {
 244
 245 #ifdef Q_WS_MAC
 246     // On Mac, the path is always the same
 247     _configDirPath = QDir::homePath() + "/Library/Application Support/Quassel/";
 248 #else
 249     // We abuse QSettings to find us a sensible path on the other platforms
 250 #  ifdef Q_WS_WIN
 251     // don't use the registry
 252     QSettings::Format format = QSettings::IniFormat;
 253 #  else
 254     QSettings::Format format = QSettings::NativeFormat;
 255 #  endif
 256     QSettings s(format, QSettings::UserScope, QCoreApplication::organizationDomain(), buildInfo().applicationName);
 257     QFileInfo fileInfo(s.fileName());
 258     _configDirPath = fileInfo.dir().absolutePath();
 259 #endif /* Q_WS_MAC */
 260   }
 261
 262   if(!_configDirPath.endsWith(QDir::separator()) && !_configDirPath.endsWith('/'))
 263     _configDirPath += QDir::separator();
 264
 265   QDir qDir(_configDirPath);
 266   if(!qDir.exists(_configDirPath)) {
 267     if(!qDir.mkpath(_configDirPath)) {
 268       qCritical() << "Unable to create Quassel config directory:" << qPrintable(qDir.absolutePath());
 269       return QString();
 270     }
 271   }
 272
 273   return _configDirPath;
 274 }
 275
 276 QStringList Quassel::dataDirPaths() {
 277   return _dataDirPaths;
 278 }
 279
 280 QStringList Quassel::findDataDirPaths() const {
 281   QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':', QString::SkipEmptyParts);
 282
 283   if(!dataDirNames.isEmpty()) {
 284     for(int i = 0; i < dataDirNames.count(); i++)
 285       dataDirNames[i].append("/apps/quassel/");
 286   } else {
 287   // Provide a fallback
 288 #ifdef Q_OS_WIN32
 289     dataDirNames << qgetenv("APPDATA") + QCoreApplication::organizationDomain() + "/share/apps/quassel/"
 290                  << qgetenv("APPDATA") + QCoreApplication::organizationDomain()
 291                  << QCoreApplication::applicationDirPath();
 292   }
 293 #elif defined Q_WS_MAC
 294     dataDirNames << QDir::homePath() + "/Library/Application Support/Quassel/"
 295                  << QCoreApplication::applicationDirPath();
 296   }
 297 #else
 298     dataDirNames.append("/usr/share/apps/quassel/");
 299   }
 300   // on UNIX, we always check our install prefix
 301   QString appDir = QCoreApplication::applicationDirPath();
 302   int binpos = appDir.lastIndexOf("/bin");
 303   if(binpos >= 0) {
 304     appDir.replace(binpos, 4, "/share");
 305     appDir.append("/apps/quassel/");
 306     if(!dataDirNames.contains(appDir))
 307       dataDirNames.append(appDir);
 308   }
 309 #endif
 310
 311   // add resource path and workdir just in case
 312   dataDirNames << QCoreApplication::applicationDirPath() + "/data/"
 313                << ":/data/";
 314
 315   // append trailing '/' and check for existence
 316   QStringList::Iterator iter = dataDirNames.begin();
 317   while(iter != dataDirNames.end()) {
 318     if(!iter->endsWith(QDir::separator()) && !iter->endsWith('/'))
 319       iter->append(QDir::separator());
 320     if(!QFile::exists(*iter))
 321       iter = dataDirNames.erase(iter);
 322     else
 323       ++iter;
 324   }
 325
 326   return dataDirNames;
 327 }
 328
 329 QString Quassel::findDataFilePath(const QString &fileName) {
 330   QStringList dataDirs = dataDirPaths();
 331   foreach(QString dataDir, dataDirs) {
 332     QString path = dataDir + fileName;
 333     if(QFile::exists(path))
 334       return path;
 335   }
 336   return QString();
 337 }
 338
 339 QString Quassel::translationDirPath() {
 340   if(_translationDirPath.isEmpty()) {
 341     // We support only one translation dir; fallback mechanisms wouldn't work else.
 342     // This means that if we have a $data/translations dir, the internal :/i18n resource won't be considered.
 343     foreach(const QString &dir, dataDirPaths()) {
 344       if(QFile::exists(dir + "translations/")) {
 345         _translationDirPath = dir + "translations/";
 346         break;
 347       }
 348     }
 349     if(_translationDirPath.isEmpty())
 350       _translationDirPath = ":/i18n/";
 351   }
 352   return _translationDirPath;
 353 }
 354
 355 void Quassel::loadTranslation(const QLocale &locale) {
 356   QTranslator *qtTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QtTr");
 357   QTranslator *quasselTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QuasselTr");
 358
 359   if(!qtTranslator) {
 360     qtTranslator = new QTranslator(qApp);
 361     qtTranslator->setObjectName("QtTr");
 362     qApp->installTranslator(qtTranslator);
 363   }
 364   if(!quasselTranslator) {
 365     quasselTranslator = new QTranslator(qApp);
 366     quasselTranslator->setObjectName("QuasselTr");
 367     qApp->installTranslator(quasselTranslator);
 368   }
 369
 370   QLocale::setDefault(locale);
 371
 372   if(locale.language() == QLocale::C)
 373     return;
 374
 375   bool success = qtTranslator->load(QString("qt_%1").arg(locale.name()), translationDirPath());
 376   if(!success)
 377     qtTranslator->load(QString("qt_%1").arg(locale.name()), QLibraryInfo::location(QLibraryInfo::TranslationsPath));
 378   quasselTranslator->load(QString("quassel_%1").arg(locale.name()), translationDirPath());
 379 }