common: Improve logger configuration
[quassel.git] / src / common / quassel.cpp
index 16b8887..7ee7915 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-2016 by the Quassel Project                        *
+ *   Copyright (C) 2005-2018 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,7 +20,9 @@
 
 #include "quassel.h"
 
+#include <algorithm>
 #include <iostream>
+
 #include <signal.h>
 #if !defined Q_OS_WIN && !defined Q_OS_MAC
 #  include <sys/types.h>
@@ -34,6 +36,7 @@
 #include <QFileInfo>
 #include <QHostAddress>
 #include <QLibraryInfo>
+#include <QMetaEnum>
 #include <QSettings>
 #include <QTranslator>
 #include <QUuid>
@@ -115,37 +118,41 @@ bool Quassel::init()
         return false;
     }
 
-    // set up logging
-    if (Quassel::runMode() != Quassel::ClientOnly) {
-        if (isOptionSet("loglevel")) {
-            QString level = optionValue("loglevel");
-
-            if (level == "Debug")
-                setLogLevel(DebugLevel);
-            else if (level == "Info")
-                setLogLevel(InfoLevel);
-            else if (level == "Warning")
-                setLogLevel(WarningLevel);
-            else if (level == "Error")
-                setLogLevel(ErrorLevel);
-            else {
-                qWarning() << qPrintable(tr("Invalid log level %1; supported are Debug|Info|Warning|Error").arg(level));
-                return false;
-            }
+    // Set up logging
+    if (isOptionSet("loglevel")) {
+        QString level = optionValue("loglevel").toLower();
+
+        if (level == "debug")
+            setLogLevel(DebugLevel);
+        else if (level == "info")
+            setLogLevel(InfoLevel);
+        else if (level == "warning")
+            setLogLevel(WarningLevel);
+        else if (level == "error")
+            setLogLevel(ErrorLevel);
+        else {
+            qWarning() << qPrintable(tr("Invalid log level %1; supported are Debug|Info|Warning|Error").arg(level));
+            return false;
         }
+    }
 
-        QString logfilename = optionValue("logfile");
-        if (!logfilename.isEmpty()) {
-            instance()->_logFile.reset(new QFile{logfilename});
-            if (!logFile()->open(QIODevice::Append | QIODevice::Text)) {
-                qWarning() << "Could not open log file" << logfilename << ":" << logFile()->errorString();
-                instance()->_logFile.reset();
-            }
+    QString logfilename = optionValue("logfile");
+    if (!logfilename.isEmpty()) {
+        instance()->_logFile.reset(new QFile{logfilename});
+        if (!logFile()->open(QIODevice::Append | QIODevice::Text)) {
+            qWarning() << qPrintable(tr("Could not open log file \"%1\": %2").arg(logfilename, logFile()->errorString()));
+            instance()->_logFile.reset();
         }
+    }
 #ifdef HAVE_SYSLOG
-        instance()->_logToSyslog = isOptionSet("syslog");
+    instance()->_logToSyslog = isOptionSet("syslog");
+#endif
+
+#if QT_VERSION < 0x050000
+    qInstallMsgHandler(Logger::logMessage);
+#else
+    qInstallMessageHandler(Logger::logMessage);
 #endif
-    }
 
     return true;
 }
@@ -293,7 +300,14 @@ void Quassel::setupBuildInfo()
     if (!QString(GIT_HEAD).isEmpty()) {
         buildInfo.commitHash = GIT_HEAD;
         QDateTime date;
-        date.setTime_t(GIT_COMMIT_DATE);
+#if QT_VERSION >= 0x050800
+        date.setSecsSinceEpoch(GIT_COMMIT_DATE);
+#else
+        // toSecsSinceEpoch() was added in Qt 5.8.  Manually downconvert to seconds for now.
+        // See https://doc.qt.io/qt-5/qdatetime.html#toMSecsSinceEpoch
+        // Warning generated if not converting the 1000 to a qint64 first.
+        date.setMSecsSinceEpoch(GIT_COMMIT_DATE * (qint64)1000);
+#endif
         buildInfo.commitDate = date.toString();
     }
     else if (!QString(DIST_HASH).contains("Format")) {
@@ -454,19 +468,6 @@ void Quassel::logFatalMessage(const char *msg)
 }
 
 
-Quassel::Features Quassel::features()
-{
-    Features feats = 0;
-    for (int i = 1; i <= NumFeatures; i <<= 1)
-        feats |= (Feature)i;
-
-    // Disable DCC until it is ready
-    feats &= ~Feature::DccFileTransfer;
-
-    return feats;
-}
-
-
 const QString &Quassel::coreDumpFileName()
 {
     if (_coreDumpFileName.isEmpty()) {
@@ -678,3 +679,99 @@ void Quassel::loadTranslation(const QLocale &locale)
     quasselTranslator->load(QString("%1").arg(locale.name()), translationDirPath());
 #endif
 }
+
+
+// ---- Quassel::Features ---------------------------------------------------------------------------------------------
+
+Quassel::Features::Features()
+{
+    QStringList features;
+
+    // TODO Qt5: Use QMetaEnum::fromType()
+    auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+    _features.resize(featureEnum.keyCount(), true);  // enable all known features to true
+}
+
+
+Quassel::Features::Features(const QStringList &features, LegacyFeatures legacyFeatures)
+{
+    // TODO Qt5: Use QMetaEnum::fromType()
+    auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+    _features.resize(featureEnum.keyCount(), false);
+
+    for (auto &&feature : features) {
+        int i = featureEnum.keyToValue(qPrintable(feature));
+        if (i >= 0) {
+            _features[i] = true;
+        }
+        else {
+            _unknownFeatures << feature;
+        }
+    }
+
+    if (legacyFeatures) {
+        // TODO Qt5: Use QMetaEnum::fromType()
+        auto legacyFeatureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("LegacyFeature"));
+        for (quint32 mask = 0x0001; mask <= 0x8000; mask <<=1) {
+            if (static_cast<quint32>(legacyFeatures) & mask) {
+                int i = featureEnum.keyToValue(legacyFeatureEnum.valueToKey(mask));
+                if (i >= 0) {
+                    _features[i] = true;
+                }
+            }
+        }
+    }
+}
+
+
+bool Quassel::Features::isEnabled(Feature feature) const
+{
+    size_t i = static_cast<size_t>(feature);
+    return i < _features.size() ? _features[i] : false;
+}
+
+
+QStringList Quassel::Features::toStringList(bool enabled) const
+{
+    // Check if any feature is enabled
+    if (!enabled && std::all_of(_features.cbegin(), _features.cend(), [](bool feature) { return !feature; })) {
+        return QStringList{} << "NoFeatures";
+    }
+
+    QStringList result;
+
+    // TODO Qt5: Use QMetaEnum::fromType()
+    auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+    for (quint32 i = 0; i < _features.size(); ++i) {
+        if (_features[i] == enabled) {
+            result << featureEnum.key(i);
+        }
+    }
+    return result;
+}
+
+
+Quassel::LegacyFeatures Quassel::Features::toLegacyFeatures() const
+{
+    // TODO Qt5: Use LegacyFeatures (flag operators for enum classes not supported in Qt4)
+    quint32 result{0};
+    // TODO Qt5: Use QMetaEnum::fromType()
+    auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+    auto legacyFeatureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("LegacyFeature"));
+
+    for (quint32 i = 0; i < _features.size(); ++i) {
+        if (_features[i]) {
+            int v = legacyFeatureEnum.keyToValue(featureEnum.key(i));
+            if (v >= 0) {
+                result |= v;
+            }
+        }
+    }
+    return static_cast<LegacyFeatures>(result);
+}
+
+
+QStringList Quassel::Features::unknownFeatures() const
+{
+    return _unknownFeatures;
+}