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 <QMetaType>
  29 #include <QObject>
  30 #include <QSettings>
  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 QStringList Quassel::_dataDirPaths;
  44 bool Quassel::_initialized = false;
  45 bool Quassel::DEBUG = false;
  46 QString Quassel::_coreDumpFileName;
  47
  48 Quassel::Quassel() {
  49   // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel.
  50   signal(SIGTERM, handleSignal);
  51   signal(SIGINT, handleSignal);
  52
  53   // we have crashhandler for win32 and unix (based on execinfo).
  54   // on mac os we use it's integrated backtrace generator
  55 #if defined(Q_OS_WIN32) || (defined(HAVE_EXECINFO) && !defined(Q_OS_MAC))
  56   signal(SIGABRT, handleSignal);
  57   signal(SIGSEGV, handleSignal);
  58 #  ifndef Q_OS_WIN32
  59   signal(SIGBUS, handleSignal);
  60 #  endif
  61 #endif
  62
  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     _coreDumpFileName = QString("Quassel-Crash-%1.log").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm"));
 222     QFile dumpFile(_coreDumpFileName);
 223     dumpFile.open(QIODevice::Append);
 224     QTextStream dumpStream(&dumpFile);
 225     dumpStream << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash << '\n';
 226     qDebug() << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash;
 227     dumpStream.flush();
 228     dumpFile.close();
 229   }
 230   return _coreDumpFileName;
 231 }
 232
 233 QString Quassel::configDirPath() {
 234   if(!_configDirPath.isEmpty())
 235     return _configDirPath;
 236
 237   if(Quassel::isOptionSet("datadir")) {
 238     qWarning() << "Obsolete option --datadir used!";
 239     _configDirPath = Quassel::optionValue("datadir");
 240   } else if(Quassel::isOptionSet("configdir")) {
 241     _configDirPath = Quassel::optionValue("configdir");
 242   } else {
 243
 244     // We abuse QSettings to find us a sensible path on all platforms
 245 #ifdef Q_WS_WIN
 246     // don't use the registry
 247     QSettings::Format format = QSettings::IniFormat;
 248 #else
 249     QSettings::Format format = QSettings::NativeFormat;
 250 #endif
 251     QSettings s(format, QSettings::UserScope, QCoreApplication::organizationDomain(), buildInfo().applicationName);
 252     QFileInfo fileInfo(s.fileName());
 253     _configDirPath = fileInfo.dir().absolutePath();
 254   }
 255
 256   if(!_configDirPath.endsWith(QDir::separator()))
 257     _configDirPath += QDir::separator();
 258
 259   QDir qDir(_configDirPath);
 260   if(!qDir.exists(_configDirPath)) {
 261     if(!qDir.mkpath(_configDirPath)) {
 262       qCritical() << "Unable to create Quassel config directory:" << qPrintable(qDir.absolutePath());
 263       return QString();
 264     }
 265   }
 266
 267   return _configDirPath;
 268 }
 269
 270 QStringList Quassel::dataDirPaths() {
 271   return _dataDirPaths;
 272 }
 273
 274 QStringList Quassel::findDataDirPaths() const {
 275   QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':', QString::SkipEmptyParts);
 276
 277   if(!dataDirNames.isEmpty()) {
 278     for(int i = 0; i < dataDirNames.count(); i++)
 279       dataDirNames[i].append("/apps/quassel/");
 280   } else {
 281   // Provide a fallback
 282   // FIXME fix this for win and mac!
 283 #ifdef Q_OS_WIN32
 284     dataDirNames << qgetenv("APPDATA") + "/quassel/"
 285                  << QCoreApplication::applicationDirPath();
 286 #elif defined Q_WS_MAC
 287     dataDirNames << QDir::homePath() + "/Library/Application Support/Quassel/"
 288                  << QCoreApplication::applicationDirPath();
 289 #else
 290     if(dataDirNames.isEmpty())
 291       dataDirNames.append("/usr/share/apps/quassel/");
 292     // on UNIX, we always check our install prefix
 293     QString appDir = QCoreApplication::applicationDirPath();
 294     int binpos = appDir.lastIndexOf("/bin");
 295     if(binpos >= 0) {
 296       appDir.replace(binpos, 4, "/share");
 297       appDir.append("/apps/quassel/");
 298       if(!dataDirNames.contains(appDir))
 299         dataDirNames.append(appDir);
 300     }
 301 #endif
 302   }
 303
 304   // add resource path just in case
 305   dataDirNames << ":/data/";
 306   return dataDirNames;
 307 }
 308
 309 QString Quassel::findDataFilePath(const QString &fileName) {
 310   QStringList dataDirs = dataDirPaths();
 311   foreach(QString dataDir, dataDirs) {
 312     QString path = dataDir + fileName;
 313     if(QFile::exists(path))
 314       return path;
 315   }
 316   return QString();
 317 }