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/*
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "mirall/logger.h"
#include <QDir>
#include <QStringList>
#include <QThread>
namespace Mirall {
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
// logging handler.
static void mirallLogCatcher(QtMsgType type, const char *msg)
{
Q_UNUSED(type)
// qDebug() exports to local8Bit, which is not always UTF-8
Logger::instance()->mirallLog( QString::fromLocal8Bit(msg) );
}
static void qInstallMessageHandler(QtMsgHandler h) {
qInstallMsgHandler(h);
}
#else
static void mirallLogCatcher(QtMsgType, const QMessageLogContext &ctx, const QString &message) {
Q_UNUSED(ctx);
QByteArray file = ctx.file;
file = file.mid(file.lastIndexOf('/') + 1);
Logger::instance()->mirallLog( QString::fromLocal8Bit(file) + QLatin1Char(':') + QString::number(ctx.line)
+ QLatin1Char(' ') + message) ;
}
#endif
Logger *Logger::instance()
{
static Logger log;
return &log;
}
Logger::Logger( QObject* parent) : QObject(parent),
_showTime(true), _doLogging(false), _doFileFlush(false), _logExpire(0)
{
qInstallMessageHandler(mirallLogCatcher);
}
Logger::~Logger() {
qInstallMessageHandler(0);
}
void Logger::postGuiLog(const QString &title, const QString &message)
{
emit guiLog(title, message);
}
void Logger::postOptionalGuiLog(const QString &title, const QString &message)
{
emit optionalGuiLog(title, message);
}
void Logger::postGuiMessage(const QString &title, const QString &message)
{
emit guiMessage(title, message);
}
void Logger::log(Log log)
{
QString msg;
if( _showTime ) {
msg = log.timeStamp.toString(QLatin1String("MM-dd hh:mm:ss:zzz")) + QLatin1Char(' ');
}
if( log.source == Log::CSync ) {
// msg += "csync - ";
} else {
// msg += "ownCloud - ";
}
msg += QString().sprintf("%p ", (void*)QThread::currentThread());
msg += log.message;
// _logs.append(log);
// std::cout << qPrintable(log.message) << std::endl;
{
QMutexLocker lock(&_mutex);
if( _logstream ) {
(*_logstream) << msg << endl;
if( _doFileFlush ) _logstream->flush();
}
}
emit newLog(msg);
}
void Logger::csyncLog( const QString& message )
{
Log log;
log.source = Log::CSync;
log.timeStamp = QDateTime::currentDateTime();
log.message = message;
Logger::instance()->log(log);
}
void Logger::mirallLog( const QString& message )
{
Log log_;
log_.source = Log::Mirall;
log_.timeStamp = QDateTime::currentDateTime();
log_.message = message;
Logger::instance()->log( log_ );
}
void Logger::setLogFile(const QString & name)
{
QMutexLocker locker(&_mutex);
if( _logstream ) {
_logstream.reset(0);
_logFile.close();
}
if( name.isEmpty() ) {
return;
}
bool openSucceeded = false;
if (name == QLatin1String("-")) {
openSucceeded = _logFile.open(1, QIODevice::WriteOnly);
} else {
_logFile.setFileName( name );
openSucceeded = _logFile.open(QIODevice::WriteOnly);
}
if(!openSucceeded) {
locker.unlock(); // Just in case postGuiMessage has a qDebug()
postGuiMessage( tr("Error"),
QString(tr("<nobr>File '%1'<br/>cannot be opened for writing.<br/><br/>"
"The log output can <b>not</b> be saved!</nobr>"))
.arg(name));
return;
}
_logstream.reset(new QTextStream( &_logFile ));
}
void Logger::setLogExpire( int expire )
{
_logExpire = expire;
}
void Logger::setLogDir( const QString& dir )
{
_logDirectory = dir;
}
void Logger::setLogFlush( bool flush )
{
_doFileFlush = flush;
}
void Logger::enterNextLogFile()
{
if (!_logDirectory.isEmpty()) {
QDir dir(_logDirectory);
if (!dir.exists()) {
dir.mkpath(".");
}
// Find out what is the file with the highest nymber if any
QStringList files = dir.entryList(QStringList("owncloud.log.*"),
QDir::Files);
QRegExp rx("owncloud.log.(\\d+)");
uint maxNumber = 0;
QDateTime now = QDateTime::currentDateTime();
foreach(const QString &s, files) {
if (rx.exactMatch(s)) {
maxNumber = qMax(maxNumber, rx.cap(1).toUInt());
if (_logExpire > 0) {
QFileInfo fileInfo = dir.absoluteFilePath(s);
if (fileInfo.lastModified().addSecs(60*60 * _logExpire) < now) {
dir.remove(s);
}
}
}
}
QString filename = _logDirectory + "/owncloud.log." + QString::number(maxNumber+1);
setLogFile(filename);
}
}
} // namespace Mirall
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