sneedmc/logger/QsLogDest.cpp
Andrew f3fffd5259 Remove QsLog destinations when they are destroyed.
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.
2013-12-11 13:17:23 -06:00

91 lines
2.8 KiB
C++

// Copyright (c) 2010, Razvan Petru
// All rights reserved.
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
// * The name of the contributors may not be used to endorse or promote products
// derived from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
#include "QsLogDest.h"
#include "QsDebugOutput.h"
#include "QsLog.h"
#include <QFile>
#include <QTextStream>
#include <QString>
namespace QsLogging
{
Destination::~Destination()
{
Logger::instance().removeDestination(this);
QsDebugOutput::output("Removed logger destination.");
}
//! file message sink
class FileDestination : public Destination
{
public:
FileDestination(const QString &filePath);
virtual void write(const QString &message);
private:
QFile mFile;
QTextStream mOutputStream;
};
FileDestination::FileDestination(const QString &filePath)
{
mFile.setFileName(filePath);
mFile.open(QFile::WriteOnly | QFile::Text |
QFile::Truncate); // fixme: should throw on failure
mOutputStream.setDevice(&mFile);
}
void FileDestination::write(const QString &message)
{
mOutputStream << message << endl;
mOutputStream.flush();
}
//! debugger sink
class DebugOutputDestination : public Destination
{
public:
virtual void write(const QString &message);
};
void DebugOutputDestination::write(const QString &message)
{
QsDebugOutput::output(message);
}
DestinationPtr DestinationFactory::MakeFileDestination(const QString &filePath)
{
return DestinationPtr(new FileDestination(filePath));
}
DestinationPtr DestinationFactory::MakeDebugOutputDestination()
{
return DestinationPtr(new DebugOutputDestination);
}
} // end namespace