kopia lustrzana https://github.com/f4exb/sdrangel
307 wiersze
10 KiB
C++
307 wiersze
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (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 V3 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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#include <chrono>
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#include <QKeySequence>
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#include <QProcess>
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#include "command.h"
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#include "util/simpleserializer.h"
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#include "util/timeutil.h"
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Command::Command() :
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m_currentProcess(nullptr),
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m_currentProcessState(QProcess::NotRunning),
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m_isInError(false),
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m_currentProcessError(QProcess::UnknownError),
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m_hasExited(false),
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m_currentProcessExitCode(0),
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m_currentProcessExitStatus(QProcess::NormalExit),
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m_currentProcessPid(0)
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{
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m_currentProcessStartTimeStampms = 0;
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m_currentProcessFinishTimeStampms = 0;
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resetToDefaults();
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}
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Command::Command(const Command& command) :
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QObject(),
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m_group(command.m_group),
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m_description(command.m_description),
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m_command(command.m_command),
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m_argString(command.m_argString),
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m_key(command.m_key),
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m_keyModifiers(command.m_keyModifiers),
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m_associateKey(command.m_associateKey),
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m_release(command.m_release),
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m_currentProcess(nullptr),
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m_currentProcessState(QProcess::NotRunning),
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m_isInError(false),
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m_currentProcessError(QProcess::UnknownError),
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m_hasExited(false),
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m_currentProcessExitCode(0),
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m_currentProcessExitStatus(QProcess::NormalExit),
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m_currentProcessPid(0)
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{
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m_currentProcessStartTimeStampms = 0;
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m_currentProcessFinishTimeStampms = 0;
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}
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Command::~Command()
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{
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if (m_currentProcess)
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{
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#else
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disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#endif
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disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
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disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
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m_currentProcess->deleteLater();
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}
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}
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void Command::resetToDefaults()
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{
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m_group = "default";
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m_description = "no name";
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m_command = "";
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m_argString = "";
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m_key = static_cast<Qt::Key>(0);
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m_keyModifiers = Qt::NoModifier;
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m_associateKey = false;
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m_release = false;
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}
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QByteArray Command::serialize() const
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{
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SimpleSerializer s(1);
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s.writeString(1, m_group);
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s.writeString(2, m_description);
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s.writeString(3, m_command);
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s.writeString(4, m_argString);
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s.writeS32(5, (int) m_key);
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s.writeS32(6, (int) m_keyModifiers);
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s.writeBool(7, m_associateKey);
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s.writeBool(8, m_release);
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return s.final();
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}
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bool Command::deserialize(const QByteArray& data)
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{
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SimpleDeserializer d(data);
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if (!d.isValid())
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{
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resetToDefaults();
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return false;
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}
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if (d.getVersion() == 1)
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{
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int tmpInt;
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d.readString(1, &m_group, "default");
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d.readString(2, &m_description, "no name");
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d.readString(3, &m_command, "");
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d.readString(4, &m_argString, "");
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d.readS32(5, &tmpInt, 0);
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m_key = static_cast<Qt::Key>(tmpInt);
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d.readS32(6, &tmpInt, 0);
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m_keyModifiers = static_cast<Qt::KeyboardModifiers>(tmpInt);
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d.readBool(7, &m_associateKey, false);
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d.readBool(8, &m_release, false);
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return true;
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}
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else
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{
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resetToDefaults();
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return false;
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}
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}
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QString Command::getKeyLabel() const
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{
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if (m_key == 0)
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{
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return "";
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}
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else if (m_keyModifiers != Qt::NoModifier)
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{
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QString altGrStr = m_keyModifiers & Qt::GroupSwitchModifier ? "Gr " : "";
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int maskedModifiers = ((int) m_keyModifiers & 0x3FFFFFFF) + (((int) m_keyModifiers & 0x40000000)>>3);
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return altGrStr + QKeySequence(maskedModifiers, m_key).toString();
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}
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else
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{
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return QKeySequence(m_key).toString();
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}
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}
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void Command::run(const QString& apiAddress, int apiPort, int deviceSetIndex)
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{
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if (m_currentProcess)
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{
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qWarning("Command::run: process already running");
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return;
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}
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QString args = m_argString;
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if (m_argString.contains("%1"))
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{
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args = args.arg(apiAddress);
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}
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if (m_argString.contains("%2"))
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{
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args.replace("%2", "%1");
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args = args.arg(apiPort);
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}
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if (m_argString.contains("%3"))
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{
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args.replace("%3", "%1");
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args = args.arg(deviceSetIndex);
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}
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m_currentProcessCommandLine = QString("%1 %2").arg(m_command).arg(args);
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qDebug("Command::run: %s", qPrintable(m_currentProcessCommandLine));
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m_currentProcess = new QProcess(this);
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m_isInError = false;
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m_hasExited = false;
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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connect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#else
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connect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#endif
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connect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
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connect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
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m_currentProcess->setProcessChannelMode(QProcess::MergedChannels);
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m_currentProcessStartTimeStampms = TimeUtil::nowms();
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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QStringList allArgs = args.split(" ", Qt::SkipEmptyParts);
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#else
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QStringList allArgs = args.split(" ", QString::SkipEmptyParts);
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#endif
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m_currentProcess->start(m_command, allArgs);
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}
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void Command::kill()
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{
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if (m_currentProcess)
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{
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qDebug("Command::kill: %lld", m_currentProcessPid);
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m_currentProcess->kill();
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}
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}
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QProcess::ProcessState Command::getLastProcessState() const
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{
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return m_currentProcessState;
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}
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bool Command::getLastProcessError(QProcess::ProcessError& error) const
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{
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if (m_isInError) {
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error = m_currentProcessError;
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}
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return m_isInError;
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}
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bool Command::getLastProcessExit(int& exitCode, QProcess::ExitStatus& exitStatus) const
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{
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if (m_hasExited)
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{
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exitCode = m_currentProcessExitCode;
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exitStatus = m_currentProcessExitStatus;
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}
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return m_hasExited;
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}
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const QString& Command::getLastProcessLog() const
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{
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return m_log;
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}
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void Command::processStateChanged(QProcess::ProcessState newState)
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{
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//qDebug("Command::processStateChanged: %d", newState);
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if (newState == QProcess::Running) {
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m_currentProcessPid = m_currentProcess->processId();
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}
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m_currentProcessState = newState;
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}
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void Command::processError(QProcess::ProcessError error)
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{
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//qDebug("Command::processError: %d state: %d", error, m_currentProcessState);
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m_currentProcessFinishTimeStampms = TimeUtil::nowms();
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m_currentProcessError = error;
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m_isInError = true;
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if (m_currentProcessState == QProcess::NotRunning)
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{
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m_log = m_currentProcess->readAllStandardOutput();
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#else
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disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#endif
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disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
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disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
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m_currentProcess->deleteLater(); // make sure other threads can still access it until all events have been processed
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m_currentProcess = nullptr; // for this thread it can assume it was deleted
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}
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}
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void Command::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
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{
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//qDebug("Command::processFinished: (%d) %d", exitCode, exitStatus);
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m_currentProcessFinishTimeStampms = TimeUtil::nowms();
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m_currentProcessExitCode = exitCode;
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m_currentProcessExitStatus = exitStatus;
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m_hasExited = true;
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m_log = m_currentProcess->readAllStandardOutput();
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#else
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disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
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#endif
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disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
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disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
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m_currentProcess->deleteLater(); // make sure other threads can still access it until all events have been processed
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m_currentProcess = nullptr; // for this thread it can assume it was deleted
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}
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