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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2007 by Dominik Riebeling
* $Id$
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <QtGui>
#include "systrace.h"
#include "ui_systracefrm.h"
#include "rbsettings.h"
QString SysTrace::debugbuffer;
QString SysTrace::lastmessage;
unsigned int SysTrace::repeat = 0;
SysTrace::SysTrace(QWidget *parent) : QDialog(parent)
{
ui.setupUi(this);
ui.textTrace->setReadOnly(true);
ui.textTrace->setLayoutDirection(Qt::LeftToRight);
refresh();
connect(ui.buttonClose, SIGNAL(clicked()), this, SLOT(close()));
connect(ui.buttonSave, SIGNAL(clicked()), this, SLOT(saveCurrentTrace()));
connect(ui.buttonSavePrevious, SIGNAL(clicked()), this, SLOT(savePreviousTrace()));
connect(ui.buttonRefresh, SIGNAL(clicked()), this, SLOT(refresh()));
}
void SysTrace::refresh(void)
{
int pos = ui.textTrace->verticalScrollBar()->value();
flush();
ui.textTrace->setHtml("<pre>" + debugbuffer + "</pre>");
ui.textTrace->verticalScrollBar()->setValue(pos);
QString oldlog = RbSettings::value(RbSettings::CachePath).toString()
+ "/rbutil-trace.log";
ui.buttonSavePrevious->setEnabled(QFileInfo(oldlog).isFile());
}
void SysTrace::save(QString filename)
{
if(filename.isEmpty())
filename = RbSettings::value(RbSettings::CachePath).toString()
+ "/rbutil-trace.log";
// make sure any repeat detection is flushed
flush();
// append save date to the trace. Append it directly instead of using
// qDebug() as the handler might have been unregistered.
debugbuffer.append("[SysTrace] saving trace at ");
debugbuffer.append(QDateTime::currentDateTime().toString(Qt::ISODate));
debugbuffer.append("\n");
QFile fh(filename);
if(!fh.open(QIODevice::WriteOnly))
return;
fh.write(debugbuffer.toUtf8(), debugbuffer.size());
fh.close();
}
void SysTrace::saveCurrentTrace(void)
{
QString fp = QFileDialog::getSaveFileName(this, tr("Save system trace log"),
QDir::homePath(), "*.log");
if(!fp.isEmpty())
save(fp);
}
void SysTrace::savePreviousTrace(void)
{
QString fp = QFileDialog::getSaveFileName(this, tr("Save system trace log"),
QDir::homePath(), "*.log");
if(fp.isEmpty())
return;
QString oldlog = RbSettings::value(RbSettings::CachePath).toString()
+ "/rbutil-trace.log";
QFile::copy(oldlog, fp);
return;
}
void SysTrace::debug(QtMsgType type, const char* msg)
{
(void)type;
if(lastmessage != msg) {
lastmessage = msg;
flush();
debugbuffer.append(msg);
debugbuffer.append("\n");
#if !defined(NODEBUG)
fprintf(stderr, "%s\n", msg);
#endif
repeat = 1;
}
else {
repeat++;
}
}
void SysTrace::flush(void)
{
if(repeat > 1) {
debugbuffer.append(
QString(" (Last message repeated %1 times.)\n").arg(repeat));
#if !defined(NODEBUG)
fprintf(stderr, " (Last message repeated %i times.)\n", repeat);
#endif
}
}
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