log.cpp
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/* **************************************************************************************************************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, *
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES *
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR *
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, *
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* **************************************************************************************************************************************************************************/
// std
#include <ios>
#include <iomanip>
#include <sstream>
#include <thread>
//#include "timeutils.h"
#include "log.h"
#include "threadcontext.h"
#include <QBuffer>
#include <QByteArray>
#include <QDataStream>
#include <QDateTime>
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QIODevice>
#include <QObject>
#include <QMutexLocker>
namespace osdev {
namespace components {
namespace {
QString toString(LogLevel level)
{
switch(level)
{
case LogLevel::Trace:
return "T";
case LogLevel::Debug:
return "D";
case LogLevel::Info:
return "I";
case LogLevel::Warning:
return "W";
case LogLevel::Error:
return "E";
}
return "U";
}
} // anonymous
QString Log::s_context = QString();
QString Log::s_fileName = QString();
LogLevel Log::s_logLevel = LogLevel::Debug;
QMutex Log::m_mutex;
void Log::init(const QString& context, const QString& logFile, LogLevel logDepth)
{
s_logLevel = logDepth;
s_context = context;
if ( !logFile.isEmpty() )
{
s_fileName = logFile;
}
}
void Log::terminate()
{
s_context.clear();
s_fileName.clear();
s_logLevel = LogLevel::Info;
}
void Log::log(const QString& category, const QString& message, LogLevel level)
{
QMutexLocker lock( &m_mutex );
QString logCategory = s_context + '|' + toString(level) + '|' + ThreadContext::instance().context() + '|' + category;
QString logMessage = message;
if(logMessage.isEmpty())
{
static const QString emptyMessage("--");
logMessage = emptyMessage;
}
else
{
// Replace % signs.
logMessage.replace('%', "%%");
}
writeLog( logCategory, logMessage, level );
}
QString Log::fileinfoMessage(const char* file, int line, const QString& message)
{
static const QString templ("%1:%2| %3");
QFileInfo fi(file);
return templ.arg( fi.fileName() ).arg(line).arg(message);
}
void Log::trace(const QString &category, const QString &message)
{
log(category, message, LogLevel::Trace);
}
void Log::debug(const QString& category, const QString& message)
{
log( category, message, LogLevel::Debug );
}
void Log::info(const QString& category, const QString& message)
{
log( category, message, LogLevel::Info );
}
void Log::warning(const QString& category, const QString& message)
{
log(category, message, LogLevel::Warning );
}
void Log::error(const QString& category, const QString& message)
{
log(category, message, LogLevel::Error );
}
void Log::logObject(const QString& category, QObject* object)
{
QBuffer buffer;
buffer.open(QIODevice::ReadWrite);
QDataStream datastream(&buffer);
QString data;
datastream << object;
datastream >> data;
log( category, data, LogLevel::Debug );
}
void Log::trace(const char *file, int line, const QString &category, const QString &message)
{
log(category, fileinfoMessage(file, line, message), LogLevel::Trace );
}
void Log::debug(const char* file, int line, const QString& category, const QString& message)
{
log( category, fileinfoMessage(file, line, message), LogLevel::Debug );
}
void Log::info(const char* file, int line, const QString& category, const QString& message)
{
log( category, fileinfoMessage(file, line, message), LogLevel::Info );
}
void Log::warning(const char* file, int line, const QString& category, const QString& message)
{
log( category, fileinfoMessage(file, line, message), LogLevel::Warning);
}
void Log::error(const char* file, int line, const QString& category, const QString& message)
{
log( category, fileinfoMessage(file, line, message), LogLevel::Error );
}
void Log::logObject(const char* file, int line, const QString& category, QObject* object)
{
QBuffer buffer;
buffer.open(QIODevice::ReadWrite);
QDataStream datastream(&buffer);
QString data;
datastream << object;
datastream >> data;
log( " [LOGOBJECT] " + category, fileinfoMessage(file, line, data), LogLevel::Debug );
}
QString Log::getDateTime()
{
return QDateTime::currentDateTime().toString( "dd-MM-yyyy HH:mm:ss.zzz" );
}
void Log::writeLog(const QString& category, const QString& message, LogLevel level)
{
if ( level >= s_logLevel )
{
std::ostringstream threadIdStr;
threadIdStr << std::right << std::setfill('0') << std::setw(12) << std::hex << std::this_thread::get_id();
QString logLine;
QTextStream(&logLine) << getDateTime() << '|' << threadIdStr.str().c_str() << '|' << category << '|' << message;
if ( !s_fileName.isEmpty() )
{
QFile mFile( s_fileName );
if ( !mFile.open( QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text ) )
{
qWarning() << "Error opening the logfile : " << s_fileName << " for writing.";
qWarning() << logLine;
}
else
{
QTextStream out( &mFile );
out << logLine << '\n';
mFile.close();
}
}
else
{
qDebug() << logLine;
}
}
}
} /* End namespace components */
} /* End namespace osdev */