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/*
*
* $Id$
* Copyright (C) 2003-2007 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bdebuggingoutputcache.h"
#include "k3bdevicemanager.h"
#include "k3bdevice.h"
#include "k3bdeviceglobals.h"
#include "k3bcore.h"
#include "k3bversion.h"
#include "k3bglobals.h"
#include <KLocalizedString>
#include <kcoreaddons_version.h>
static const int s_maxCache = 10*1024*1024; // 10 MB max cache size
class K3b::DebuggingOutputCache::Private
{
public:
Private()
: stderrEnabled( false ),
cacheSize( 0 ) {
}
bool stderrEnabled;
QMap<QString, QString> groups;
QMap<QString, QString> lastMessages;
QMap<QString, int> lastMessageCount;
int cacheSize;
};
K3b::DebuggingOutputCache::DebuggingOutputCache()
: d( new Private() )
{
}
K3b::DebuggingOutputCache::~DebuggingOutputCache()
{
delete d;
}
void K3b::DebuggingOutputCache::clear()
{
d->groups.clear();
d->lastMessages.clear();
d->lastMessageCount.clear();
d->cacheSize = 0;
if (k3bcore == Q_NULLPTR)
return;
addOutput( QLatin1String( "System" ), QString::fromLatin1( "K3b Version: %1" ).arg(k3bcore->version()) );
addOutput( QLatin1String( "System" ), QString::fromLatin1( "KDE Version: %1" ).arg(KCOREADDONS_VERSION_STRING) );
addOutput( QLatin1String( "System" ), QString::fromLatin1( "Qt Version: %1" ).arg(qVersion()) );
addOutput( QLatin1String( "System" ), QString::fromLatin1( "Kernel: %1" ).arg(K3b::kernelVersion()) );
// devices in the logfile
QList<K3b::Device::Device *> items(k3bcore->deviceManager()->allDevices());
for( QList<K3b::Device::Device *>::const_iterator it = items.constBegin();
it != items.constEnd(); ++it ) {
K3b::Device::Device* dev = *it;
addOutput( "Devices",
QString( "%1 (%2, %3) [%5] [%6] [%7]" )
.arg( dev->vendor() + ' ' + dev->description() + ' ' + dev->version() )
.arg( dev->blockDeviceName() )
.arg( K3b::Device::deviceTypeString( dev->type() ) )
.arg( K3b::Device::mediaTypeString( dev->supportedProfiles() ) )
.arg( K3b::Device::writingModeString( dev->writingModes() ) ) );
}
}
void K3b::DebuggingOutputCache::addOutput( const QString& group, const QString& line )
{
if ( d->lastMessages[group] == line ) {
d->lastMessageCount[group]++;
}
else {
if ( d->lastMessageCount.contains( group ) &&
d->lastMessageCount[group] > 1 ) {
d->groups[group].append( QString( "=== last message repeated %1 times. ===\n" ).arg( d->lastMessageCount[group] ) );
}
d->lastMessageCount[group] = 1;
d->lastMessages[group] = line;
d->cacheSize += line.length();
if ( d->cacheSize > s_maxCache &&
d->cacheSize - ( int )line.length() <= s_maxCache ) {
d->groups[defaultGroup()].append( "=== K3b debugging output cache overflow ===\n" );
}
else if ( d->cacheSize <= s_maxCache ) {
d->groups[group].append( line + '\n' );
}
}
}
K3b::DebuggingOutputCache& K3b::DebuggingOutputCache::operator<<( const QString& line )
{
addOutput( defaultGroup(), line );
return *this;
}
QString K3b::DebuggingOutputCache::toString() const
{
QString s;
for ( QMap<QString, QString>::const_iterator it = d->groups.constBegin();
it != d->groups.constEnd(); ++it ) {
if ( !s.isEmpty() )
s.append( '\n' );
s.append( it.key() + '\n' );
s.append( "-----------------------\n" );
s.append( *it );
}
return s;
}
QMap<QString, QString> K3b::DebuggingOutputCache::toGroups() const
{
return d->groups;
}
bool K3b::DebuggingOutputCache::stderrEnabled() const
{
return d->stderrEnabled;
}
void K3b::DebuggingOutputCache::enableStderr( bool b )
{
d->stderrEnabled = b;
}
QString K3b::DebuggingOutputCache::defaultGroup()
{
return "Misc";
}
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