147 lines
4.8 KiB
C++
147 lines
4.8 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* Copyright (C) 2016-2018 by Andrius Štikonas <andrius@stikonas.eu> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#ifndef KPMCORE_EXTERNALCOMMAND_H
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#define KPMCORE_EXTERNALCOMMAND_H
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#include "util/libpartitionmanagerexport.h"
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#include <QDebug>
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#include <QProcess>
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#include <QString>
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#include <QStringList>
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#include <QtGlobal>
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#include <QThread>
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#include <QVariant>
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#include <memory>
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namespace KAuth { class ExecuteJob; }
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class KJob;
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class Report;
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class CopySource;
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class CopyTarget;
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class QDBusInterface;
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class QDBusPendingCall;
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class OrgKdeKpmcoreExternalcommandInterface;
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struct ExternalCommandPrivate;
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class DBusThread : public QThread
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{
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Q_OBJECT
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// We register on DBus so the helper can monitor us and terminate if we
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// terminate.
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Q_CLASSINFO("D-Bus Interface", "org.kde.kpmcore.applicationinterface")
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void run() override;
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};
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/** An external command.
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Runs an external command as a child process.
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@author Volker Lanz <vl@fidra.de>
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@author Andrius Štikonas <andrius@stikonas.eu>
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*/
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class LIBKPMCORE_EXPORT ExternalCommand : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY(ExternalCommand)
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public:
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explicit ExternalCommand(const QString& cmd = QString(), const QStringList& args = QStringList(), const QProcess::ProcessChannelMode processChannelMode = QProcess::MergedChannels);
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explicit ExternalCommand(Report& report, const QString& cmd = QString(), const QStringList& args = QStringList(), const QProcess::ProcessChannelMode processChannelMode = QProcess::MergedChannels);
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~ExternalCommand();
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public:
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bool copyBlocks(const CopySource& source, CopyTarget& target);
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bool writeData(Report& commandReport, const QByteArray& buffer, const QString& deviceNode, const quint64 firstByte); // same as copyBlocks but from QByteArray
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bool createFile(const QByteArray& buffer, const QString& deviceNode); // similar to writeData but creates a new file
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/**< @param cmd the command to run */
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void setCommand(const QString& cmd);
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/**< @return the command to run */
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const QString& command() const;
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/**< @return the arguments */
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const QStringList& args() const;
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/**< @param s the argument to add */
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void addArg(const QString& s);
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/**< @param args the new arguments */
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void setArgs(const QStringList& args);
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bool write(const QByteArray& input); /**< @param input the input for the program */
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bool startCopyBlocks();
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bool start(int timeout = 30000);
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bool run(int timeout = 30000);
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/**< @return the exit code */
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int exitCode() const;
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/**< @return the command output */
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const QString output() const;
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/**< @return the command output */
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const QByteArray& rawOutput() const;
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/**< @return pointer to the Report or nullptr */
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Report* report();
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void emitReport(const QVariantMap& report) { Q_EMIT reportSignal(report); }
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// KAuth
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/**< start ExternalCommand Helper */
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bool startHelper();
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/**< stop ExternalCommand Helper */
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static void stopHelper();
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/**< Sets a parent widget for the authentication dialog.
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* @param p parent widget
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*/
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static void setParentWidget(QWidget *p) {
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parent = p;
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}
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Q_SIGNALS:
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void progress(int);
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void reportSignal(const QVariantMap&);
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public Q_SLOTS:
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void emitProgress(KJob*, unsigned long percent) { Q_EMIT progress(percent); }
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private:
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void setExitCode(int i);
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void onReadOutput();
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bool waitForDbusReply(QDBusPendingCall &pcall);
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OrgKdeKpmcoreExternalcommandInterface* helperInterface();
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private:
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std::unique_ptr<ExternalCommandPrivate> d;
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// KAuth
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static KAuth::ExecuteJob *m_job;
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static bool helperStarted;
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static QWidget *parent;
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};
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#endif
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