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https://github.com/MultiMC/MultiMC5.git
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f3fffd5259
This fixes some issues where MultiMC was segfaulting on exit because things were trying to write to the logger while they were being destroyed, but the destinations had already been destroyed and were left in the list.
133 lines
5.5 KiB
C++
133 lines
5.5 KiB
C++
// Copyright (c) 2010, Razvan Petru
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice, this
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// list of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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// * The name of the contributors may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <QDebug>
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#include <QString>
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namespace QsLogging
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{
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class Destination;
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enum Level
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{
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TraceLevel = 0,
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DebugLevel,
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InfoLevel,
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WarnLevel,
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ErrorLevel,
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FatalLevel,
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UnknownLevel
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};
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class LoggerImpl; // d pointer
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class Logger
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{
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public:
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static Logger &instance()
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{
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static Logger staticLog;
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return staticLog;
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}
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//! Adds a log message destination. Don't add null destinations.
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void addDestination(Destination *destination);
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//! Removes the given destination from the logger.
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void removeDestination(Destination* destination);
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//! Logging at a level < 'newLevel' will be ignored
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void setLoggingLevel(Level newLevel);
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//! The default level is INFO
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Level loggingLevel() const;
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//! The helper forwards the streaming to QDebug and builds the final
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//! log message.
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class Helper
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{
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public:
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explicit Helper(Level logLevel);
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~Helper();
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QDebug &stream()
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{
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return qtDebug;
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}
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private:
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void writeToLog();
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Level level;
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QString buffer;
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QDebug qtDebug;
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};
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private:
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Logger();
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Logger(const Logger &);
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Logger &operator=(const Logger &);
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~Logger();
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void write(const QString &message);
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LoggerImpl *d;
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};
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} // end namespace
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#define QLOG_TRACE() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::TraceLevel) \
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QsLogging::Logger::Helper(QsLogging::TraceLevel).stream()
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#define QLOG_DEBUG() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::DebugLevel) \
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QsLogging::Logger::Helper(QsLogging::DebugLevel).stream()
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#define QLOG_INFO() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::InfoLevel) \
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QsLogging::Logger::Helper(QsLogging::InfoLevel).stream()
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#define QLOG_WARN() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::WarnLevel) \
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QsLogging::Logger::Helper(QsLogging::WarnLevel).stream()
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#define QLOG_ERROR() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::ErrorLevel) \
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QsLogging::Logger::Helper(QsLogging::ErrorLevel).stream()
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#define QLOG_FATAL() QsLogging::Logger::Helper(QsLogging::FatalLevel).stream()
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/*
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#define QLOG_TRACE() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::TraceLevel) \
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QsLogging::Logger::Helper(QsLogging::TraceLevel).stream() << __FILE__ << '@' << __LINE__
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#define QLOG_DEBUG() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::DebugLevel) \
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QsLogging::Logger::Helper(QsLogging::DebugLevel).stream() << __FILE__ << '@' << __LINE__
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#define QLOG_INFO() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::InfoLevel) \
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QsLogging::Logger::Helper(QsLogging::InfoLevel).stream() << __FILE__ << '@' << __LINE__
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#define QLOG_WARN() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::WarnLevel) \
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QsLogging::Logger::Helper(QsLogging::WarnLevel).stream() << __FILE__ << '@' << __LINE__
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#define QLOG_ERROR() \
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if (QsLogging::Logger::instance().loggingLevel() <= QsLogging::ErrorLevel) \
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QsLogging::Logger::Helper(QsLogging::ErrorLevel).stream() << __FILE__ << '@' << __LINE__
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#define QLOG_FATAL() \
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QsLogging::Logger::Helper(QsLogging::FatalLevel).stream() << __FILE__ << '@' << __LINE__
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*/
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