X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Flogger.cpp;h=51f1366a24f7704a3e7dccaef82d1ace803121e8;hp=8e35dcaf7d17f8fb34967b98e9f94087fb3e71f6;hb=a8ab790b2218d6131f12b622b1373ba62958f3ef;hpb=76db8cdfbeffaaba359c8e80cf2146da9e9e7f8a diff --git a/src/common/logger.cpp b/src/common/logger.cpp index 8e35dcaf..51f1366a 100644 --- a/src/common/logger.cpp +++ b/src/common/logger.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-2013 by the Quassel Project * + * Copyright (C) 2005-2019 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -18,100 +18,235 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ -#include -#include -#include +#include #ifdef HAVE_SYSLOG -# include +# include #endif +#include +#include +#include +#include + #include "logger.h" #include "quassel.h" +#include "types.h" + +namespace { + +QByteArray msgWithTime(const Logger::LogEntry& msg) +{ + return (msg.toString() + "\n").toUtf8(); +} + +} // namespace + +Logger::Logger(QObject* parent) + : QObject(parent) +{ + static bool registered = []() { + qRegisterMetaType(); + return true; + }(); + Q_UNUSED(registered) + + connect(this, &Logger::messageLogged, this, &Logger::onMessageLogged); + + qInstallMessageHandler(Logger::messageHandler); +} Logger::~Logger() { - log(); + // If we're not initialized yet, output pending messages so they don't get lost + if (!_initialized) { + for (auto&& message : _messages) { + std::cerr << msgWithTime(message).constData(); + } + } } +std::vector Logger::messages() const +{ + return _messages; +} -void Logger::log() +void Logger::setup(bool keepMessages) { - if (_logLevel < Quassel::logLevel()) - return; + _keepMessages = keepMessages; + + // Set maximum level for output (we still store/announce all messages for client-side filtering) + if (Quassel::isOptionSet("loglevel")) { + QString level = Quassel::optionValue("loglevel").toLower(); + if (level == "debug") + _outputLevel = LogLevel::Debug; + else if (level == "info") + _outputLevel = LogLevel::Info; + else if (level == "warning") + _outputLevel = LogLevel::Warning; + else if (level == "error") + _outputLevel = LogLevel::Error; + else { + throw ExitException{EXIT_FAILURE, qPrintable(tr("Invalid log level %1; supported are Debug|Info|Warning|Error").arg(level))}; + } + } + + QString logfilename = Quassel::optionValue("logfile"); + if (!logfilename.isEmpty()) { + _logFile.setFileName(logfilename); + if (!_logFile.open(QFile::Append | QFile::Unbuffered | QFile::Text)) { + qCritical() << qPrintable(tr("Could not open log file \"%1\": %2").arg(logfilename, _logFile.errorString())); + } + } + if (!_logFile.isOpen()) { + if (!_logFile.open(stderr, QFile::WriteOnly | QFile::Unbuffered | QFile::Text)) { + qCritical() << qPrintable(tr("Cannot write to stderr: %1").arg(_logFile.errorString())); + } + } + +#ifdef HAVE_SYSLOG + _syslogEnabled = Quassel::isOptionSet("syslog"); + + Quassel::RunMode mode = Quassel::runMode(); + Quassel::BuildInfo info = Quassel::buildInfo(); + QString prgname = info.applicationName; + + if (mode == Quassel::RunMode::ClientOnly) { + prgname = info.clientApplicationName; + } else if (mode == Quassel::RunMode::CoreOnly) { + prgname = info.coreApplicationName; + } - switch (_logLevel) { - case Quassel::DebugLevel: - _buffer.prepend("Debug: "); + _prgname = prgname.toLocal8Bit(); + + // set up options, program name, and facility for later calls to syslog(3) + if (_syslogEnabled) { + openlog(_prgname.constData(), LOG_PID, LOG_USER); + } +#endif + + _initialized = true; + + // Now that we've setup our logging backends, output pending messages + for (auto&& message : _messages) { + outputMessage(message); + } + if (!_keepMessages) { + _messages.clear(); + } +} + +void Logger::messageHandler(QtMsgType type, const QMessageLogContext&, const QString& message) +{ + Quassel::instance()->logger()->handleMessage(type, message); +} + +void Logger::handleMessage(QtMsgType type, const QString& msg) +{ + switch (type) { + case QtDebugMsg: + handleMessage(LogLevel::Debug, msg); break; - case Quassel::InfoLevel: - _buffer.prepend("Info: "); + case QtInfoMsg: + handleMessage(LogLevel::Info, msg); break; - case Quassel::WarningLevel: - _buffer.prepend("Warning: "); + case QtWarningMsg: + handleMessage(LogLevel::Warning, msg); break; - case Quassel::ErrorLevel: - _buffer.prepend("Error: "); + case QtCriticalMsg: + handleMessage(LogLevel::Error, msg); break; - default: + case QtFatalMsg: + handleMessage(LogLevel::Fatal, msg); break; } +} + +void Logger::handleMessage(LogLevel level, const QString& msg) +{ + // Use signal connection to make this method thread-safe + emit messageLogged({QDateTime::currentDateTime(), level, msg}); +} + +void Logger::onMessageLogged(const LogEntry& message) +{ + if (_keepMessages) { + _messages.push_back(message); + } + + // If setup() wasn't called yet, just store the message - will be output later + if (_initialized) { + outputMessage(message); + } +} + +void Logger::outputMessage(const LogEntry& message) +{ + if (message.logLevel < _outputLevel) { + return; + } #ifdef HAVE_SYSLOG - if (Quassel::logToSyslog()) { - int prio; - switch (_logLevel) { - case Quassel::DebugLevel: + if (_syslogEnabled) { + int prio{LOG_INFO}; + switch (message.logLevel) { + case LogLevel::Debug: prio = LOG_DEBUG; break; - case Quassel::InfoLevel: + case LogLevel::Info: prio = LOG_INFO; break; - case Quassel::WarningLevel: + case LogLevel::Warning: prio = LOG_WARNING; break; - case Quassel::ErrorLevel: + case LogLevel::Error: prio = LOG_ERR; break; - default: - prio = LOG_INFO; - break; + case LogLevel::Fatal: + prio = LOG_CRIT; } - syslog(LOG_USER & prio, "%s", qPrintable(_buffer)); + syslog(prio, "%s", qPrintable(message.message)); } #endif - // if we neither use syslog nor have a logfile we log to stdout - - if (Quassel::logFile() || !Quassel::logToSyslog()) { - _buffer.prepend(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss ")); + if (!_logFile.fileName().isEmpty() || !_syslogEnabled) { + _logFile.write(msgWithTime(message)); + } - QTextStream out(stdout); - if (Quassel::logFile() && Quassel::logFile()->isOpen()) { - _buffer.remove(QChar('\n')); - out.setDevice(Quassel::logFile()); +#ifndef Q_OS_MAC + // For fatal messages, write log to dump file + if (message.logLevel == LogLevel::Fatal) { + QFile dumpFile{Quassel::instance()->coreDumpFileName()}; + if (dumpFile.open(QIODevice::Append)) { + dumpFile.write(msgWithTime(message)); + dumpFile.close(); } - - out << _buffer << endl; } +#endif } -void Logger::logMessage(QtMsgType type, const char *msg) +QString Logger::LogEntry::toString() const { - switch (type) { - case QtDebugMsg: - Logger(Quassel::DebugLevel) << msg; - break; - case QtWarningMsg: - Logger(Quassel::WarningLevel) << msg; - break; - case QtCriticalMsg: - Logger(Quassel::ErrorLevel) << msg; - break; - case QtFatalMsg: - Logger(Quassel::ErrorLevel) << msg; - Quassel::logFatalMessage(msg); - return; + QString levelString; + + switch (logLevel) { + case Logger::LogLevel::Debug: + levelString = "[Debug] "; + break; + case Logger::LogLevel::Info: + levelString = "[Info ] "; + break; + case Logger::LogLevel::Warning: + levelString = "[Warn ] "; + break; + case Logger::LogLevel::Error: + levelString = "[Error] "; + break; + case Logger::LogLevel::Fatal: + levelString = "[FATAL] "; + break; } + + return timeStamp.toString("yyyy-MM-dd hh:mm:ss ") + levelString + message; }