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/**************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
**************************************************************************/
#include "consumeoutputoperation.h"
#include "packagemanagercore.h"
#include "utils.h"
#include "globals.h"
#include <QFile>
#include <QDir>
#include <QProcess>
#include <QDebug>
using namespace QInstaller;
/*!
\inmodule QtInstallerFramework
\class QInstaller::ConsumeOutputOperation
\internal
*/
ConsumeOutputOperation::ConsumeOutputOperation(PackageManagerCore *core)
: UpdateOperation(core)
{
setName(QLatin1String("ConsumeOutput"));
}
void ConsumeOutputOperation::backup()
{
}
bool ConsumeOutputOperation::performOperation()
{
// Arguments:
// 1. key where the output will be saved
// 2. executable path
// 3. argument for the executable
// 4. more arguments possible ...
if (!checkArgumentCount(2, INT_MAX, tr("<to be saved installer key name> "
"<executable> [argument1] [argument2] [...]")))
return false;
PackageManagerCore *const core = packageManager();
if (!core) {
setError(UserDefinedError);
setErrorString(tr("Needed installer object in %1 operation is empty.").arg(name()));
return false;
}
const QString installerKeyName = arguments().at(0);
if (installerKeyName.isEmpty()) {
setError(UserDefinedError);
setErrorString(tr("Cannot save the output of \"%1\" to an empty installer key value.").arg(
QDir::toNativeSeparators(arguments().at(1))));
return false;
}
QString executablePath = arguments().at(1);
QFileInfo executable(executablePath);
#ifdef Q_OS_WIN
if (!executable.exists() && executable.suffix().isEmpty())
executable = QFileInfo(executablePath + QLatin1String(".exe"));
#endif
if (!executable.exists() || !executable.isExecutable()) {
setError(UserDefinedError);
setErrorString(tr("File \"%1\" does not exist or is not an executable binary.").arg(
QDir::toNativeSeparators(executable.absoluteFilePath())));
return false;
}
QByteArray executableOutput;
const QStringList processArguments = arguments().mid(2);
// in some cases it is not runable, because another process is blocking it(filewatcher ...)
int waitCount = 0;
while (executableOutput.isEmpty() && waitCount < 3) {
QProcess process;
process.start(executable.absoluteFilePath(), processArguments, QIODevice::ReadOnly);
if (process.waitForFinished(10000)) {
if (process.exitStatus() == QProcess::CrashExit) {
qCWarning(QInstaller::lcInstallerInstallLog) << executable.absoluteFilePath()
<< processArguments << "crashed with exit code"
<< process.exitCode() << "standard output: "
<< process.readAllStandardOutput() << "error output: "
<< process.readAllStandardError();
setError(UserDefinedError);
setErrorString(tr("Running \"%1\" resulted in a crash.").arg(
QDir::toNativeSeparators(executable.absoluteFilePath())));
return false;
}
executableOutput.append(process.readAllStandardOutput());
}
if (executableOutput.isEmpty()) {
++waitCount;
static const int waitTimeInMilliSeconds = 500;
uiDetachedWait(waitTimeInMilliSeconds);
}
if (process.state() > QProcess::NotRunning ) {
qCWarning(QInstaller::lcInstallerInstallLog) << executable.absoluteFilePath()
<< "process is still running, need to kill it.";
process.kill();
}
}
if (executableOutput.isEmpty()) {
qCWarning(QInstaller::lcInstallerInstallLog) << "Cannot get any query output from executable"
<< executable.absoluteFilePath();
}
core->setValue(installerKeyName, QString::fromLocal8Bit(executableOutput));
return true;
}
bool ConsumeOutputOperation::undoOperation()
{
return true;
}
bool ConsumeOutputOperation::testOperation()
{
return true;
}
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