Commit bbd60cac authored by Mike McQuaid's avatar Mike McQuaid Committed by hjk

Add valgrindfake emulation/testing tool.

Merge-request: 260
Reviewed-by: default avatarhjk <qtc-committer@nokia.com>
parent 8f9a03bf
......@@ -87,6 +87,7 @@ share/doc/qtcreator/qtcreator.qch
src/tools/gen-cpp-ast/generate-ast
src/tools/mkvisitor/cplusplus0
src/tools/qml/qmldump/qmldump
src/tools/valgrindfake/valgrind-fake
# Tests
#------
......
......@@ -3,6 +3,10 @@ TEMPLATE = subdirs
win32:SUBDIRS = qtcdebugger
SUBDIRS += qtpromaker
!win32 {
SUBDIRS += valgrindfake
}
QT_BREAKPAD_ROOT_PATH = $$(QT_BREAKPAD_ROOT_PATH)
!isEmpty(QT_BREAKPAD_ROOT_PATH) {
SUBDIRS += qtcrashhandler
......
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Author: Milian Wolff, KDAB (milian.wolff@kdab.com)
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include <QCoreApplication>
#include <QStringList>
#include <QTextStream>
#include <QDir>
#include <QTcpSocket>
#include <QXmlStreamReader>
#include <QProcessEnvironment>
#include "outputgenerator.h"
using namespace Valgrind::Fake;
QTextStream qerr(stderr);
QTextStream qout(stdout);
void usage(QTextStream& stream)
{
stream << "valgrind-fake OPTIONS" << endl;
stream << endl;
stream << " REQUIRED OPTIONS:" << endl;
stream << " --xml-socket=ipaddr:port \tXML output to socket ipaddr:port" << endl;
stream << " -i, --xml-input FILE \tpath to a XML file as generated by valgrind" << endl;
stream << endl;
stream << " OPTIONAL OPTIONS:" << endl;
stream << " -c, --crash \tcrash randomly" << endl;
stream << " -g, --garbage \toutput invalid XML somewhere" << endl;
stream << " -w, --wait SECONDS \twait randomly for the given amount of seconds" << endl;
stream << " -h, --help \tprint help" << endl;
}
int main(int argc, char** argv)
{
QCoreApplication app(argc, argv);
const QStringList args = app.arguments();
QString arg_port;
QString arg_server;
QString arg_xmlFile;
bool arg_crash = false;
bool arg_garbage = false;
uint arg_wait = 0;
const QProcessEnvironment sysEnv = QProcessEnvironment::systemEnvironment();
arg_xmlFile = sysEnv.value("QCIT_INPUT_FILE");
for (int i = 1; i < args.size(); ++i) {
const QString& arg = args.at(i);
if (arg.startsWith(QLatin1String("--xml-socket="))) {
arg_server = arg.mid(13, arg.indexOf(':') - 13);
arg_port = arg.mid(13 + arg_server.length() + 1);
} else if (args.size() > i + 1
&& (args.at(i) == QLatin1String("-i")
|| args.at(i) == QLatin1String("--xml-input"))) {
arg_xmlFile = args.at(i+1);
++i;
} else if (arg == QLatin1String("-c") || arg == QLatin1String("--crash")) {
arg_crash = true;
} else if (arg == QLatin1String("-g") || arg == QLatin1String("--garbage")) {
arg_garbage = true;
} else if (args.size() > i + 1 && (arg == QLatin1String("-w") || arg == QLatin1String("--wait"))) {
bool ok;
arg_wait = args.at(i+1).toUInt(&ok);
if (!ok) {
qerr << "ERROR: invalid wait time given" << args.at(i+1) << endl;
usage(qerr);
return 4;
}
} else if (args.at(i) == QLatin1String("--help") || args.at(i) == QLatin1String("-h")) {
usage(qout);
return 0;
}
}
if (arg_xmlFile.isEmpty()) {
qerr << "ERROR: no XML input file given" << endl;
usage(qerr);
return 1;
}
if (arg_server.isEmpty()) {
qerr << "ERROR: no server given" << endl;
usage(qerr);
return 2;
}
if (arg_port.isEmpty()) {
qerr << "ERROR: no port given" << endl;
usage(qerr);
return 3;
}
QFile xmlFile(arg_xmlFile);
if (!xmlFile.exists() || !xmlFile.open(QIODevice::ReadOnly)) {
qerr << "ERROR: invalid XML file" << endl;
usage(qerr);
return 10;
}
bool ok = false;
quint16 port = arg_port.toUInt(&ok);
if (!ok) {
qerr << "ERROR: invalid port" << endl;
usage(qerr);
return 30;
}
QTcpSocket socket;
socket.connectToHost(arg_server, port, QIODevice::WriteOnly);
if (!socket.isOpen()) {
qerr << "ERROR: could not open socket to server:" << arg_server << ":" << port << endl;
usage(qerr);
return 20;
}
if (!socket.waitForConnected()) {
qerr << "ERROR: could not connect to socket: " << socket.errorString() << endl;
return 21;
}
OutputGenerator generator(&socket, &xmlFile);
QObject::connect(&generator, SIGNAL(finished()), &app, SLOT(quit()));
generator.setCrashRandomly(arg_crash);
generator.setOutputGarbage(arg_garbage);
generator.setWait(arg_wait);
return app.exec();
}
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Author: Milian Wolff, KDAB (milian.wolff@kdab.com)
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "outputgenerator.h"
#include <QAbstractSocket>
#include <QIODevice>
#include <QTextStream>
#include <QCoreApplication>
#include <QStringList>
#include <QDebug>
using namespace Valgrind::Fake;
OutputGenerator::OutputGenerator(QAbstractSocket *output, QIODevice *input) :
m_output(output),
m_input(input),
m_finished(false),
m_crash(false),
m_garbage(false),
m_wait(0)
{
Q_ASSERT(input->isOpen());
Q_ASSERT(input->isReadable());
m_timer.setSingleShot(true);
m_timer.start();
connect(&m_timer, SIGNAL(timeout()),
this, SLOT(writeOutput()));
}
void OutputGenerator::setCrashRandomly(bool enable)
{
m_crash = enable;
}
void OutputGenerator::setOutputGarbage(bool enable)
{
m_garbage = enable;
}
void OutputGenerator::setWait(uint seconds)
{
m_wait = seconds;
}
#include <iostream>
static bool blockingWrite(QIODevice *dev, const QByteArray &ba)
{
const qint64 toWrite = ba.size();
qint64 written = 0;
while (written < ba.size()) {
const qint64 n = dev->write(ba.constData() + written, toWrite - written);
if (n < 0)
return false;
written += n;
}
return true;
}
void OutputGenerator::produceRuntimeError()
{
if (m_crash) {
std::cerr << "Goodbye, cruel world" << std::endl;
int zero = 0; // hide the error at compile-time to avoid a compiler warning
int i = 1 / zero;
Q_UNUSED(i);
Q_ASSERT(false);
}
else if (m_garbage) {
std::cerr << "Writing garbage" << std::endl;
blockingWrite(m_output, "<</GARBAGE = '\"''asdfaqre");
m_output->flush();
} else if (m_wait) {
qDebug() << "waiting in fake valgrind for " << m_wait << " seconds..." << endl;
sleep(m_wait);
}
}
void OutputGenerator::writeOutput()
{
m_timer.setInterval(qrand() % 1000);
int lines = 0;
while (!m_input->atEnd()) {
qint64 lastPos = m_input->pos();
QByteArray line = m_input->readLine();
if (lines > 0 && !m_finished && line.contains("<error>")) {
if ((m_crash || m_garbage || m_wait) && qrand() % 10 == 1) {
produceRuntimeError();
m_timer.start();
return;
}
m_input->seek(lastPos);
m_timer.start();
return;
} else {
if (!m_finished && line.contains("<state>FINISHED</state>")) {
m_finished = true;
if (m_crash || m_garbage || m_wait) {
produceRuntimeError();
m_timer.start();
return;
}
}
if (!blockingWrite(m_output, line)) {
std::cerr << "Writing to socket failed: " << qPrintable(m_output->errorString()) << std::endl;
emit finished();
return;
}
m_output->flush();
++lines;
}
}
Q_ASSERT(m_input->atEnd());
while (m_output->bytesToWrite() > 0)
m_output->waitForBytesWritten(-1);
emit finished();
}
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Author: Milian Wolff, KDAB (milian.wolff@kdab.com)
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef LIBVALGRIND_FAKE_OUTPUTGENERATOR_H
#define LIBVALGRIND_FAKE_OUTPUTGENERATOR_H
#include <QObject>
#include <QTimer>
#include <QTextStream>
QT_BEGIN_NAMESPACE
class QAbstractSocket;
class QIODevice;
QT_END_NAMESPACE
namespace Valgrind {
namespace Fake {
class OutputGenerator : public QObject
{
Q_OBJECT
public:
explicit OutputGenerator(QAbstractSocket *output, QIODevice *input);
void setCrashRandomly(bool enable);
void setOutputGarbage(bool enable);
void setWait(uint seconds);
Q_SIGNALS:
void finished();
private slots:
/// write output to the stream until the next error
void writeOutput();
private:
void produceRuntimeError();
QAbstractSocket *m_output;
QIODevice *m_input;
QTimer m_timer;
bool m_finished;
bool m_crash;
bool m_garbage;
uint m_wait;
};
} // namespace Fake
} // namespace Valgrind
#endif // LIBVALGRIND_FAKE_OUTPUTGENERATOR_H
TEMPLATE = app
TARGET = valgrind-fake
QT += network xml
macx:CONFIG -= app_bundle
HEADERS += outputgenerator.h
SOURCES += main.cpp \
outputgenerator.cpp
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