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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "processenums.h"
#include <QDataStream>
#include <QProcess>
#include <QStringList>
QT_BEGIN_NAMESPACE
class QByteArray;
QT_END_NAMESPACE
namespace Utils {
namespace Internal {
enum class LauncherPacketType {
// client -> launcher packets:
Shutdown,
StartProcess,
WriteIntoProcess,
StopProcess,
// launcher -> client packets:
ProcessStarted,
ReadyReadStandardOutput,
ReadyReadStandardError,
ProcessDone
};
class PacketParser
{
public:
class InvalidPacketSizeException
{
public:
InvalidPacketSizeException(int size) : size(size) { }
const int size;
};
void setDevice(QIODevice *device);
bool parse();
LauncherPacketType type() const { return m_type; }
quintptr token() const { return m_token; }
const QByteArray &packetData() const { return m_packetData; }
private:
QDataStream m_stream;
LauncherPacketType m_type = LauncherPacketType::Shutdown;
quintptr m_token = 0;
QByteArray m_packetData;
int m_sizeOfNextPacket = -1;
};
class LauncherPacket
{
public:
virtual ~LauncherPacket();
template<class Packet> static Packet extractPacket(quintptr token, const QByteArray &data)
{
Packet p(token);
p.deserialize(data);
return p;
}
QByteArray serialize() const;
void deserialize(const QByteArray &data);
const LauncherPacketType type;
const quintptr token = 0;
protected:
LauncherPacket(LauncherPacketType type, quintptr token) : type(type), token(token) { }
private:
virtual void doSerialize(QDataStream &stream) const = 0;
virtual void doDeserialize(QDataStream &stream) = 0;
};
class StartProcessPacket : public LauncherPacket
{
public:
StartProcessPacket(quintptr token);
QString command;
QStringList arguments;
QString workingDir;
QStringList env;
ProcessMode processMode = ProcessMode::Reader;
QByteArray writeData;
QProcess::ProcessChannelMode processChannelMode = QProcess::SeparateChannels;
QString standardInputFile;
bool belowNormalPriority = false;
QString nativeArguments;
bool lowPriority = false;
bool unixTerminalDisabled = false;
bool useCtrlCStub = false;
int reaperTimeout = 500;
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class ProcessStartedPacket : public LauncherPacket
{
public:
ProcessStartedPacket(quintptr token);
int processId = 0;
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class StopProcessPacket : public LauncherPacket
{
public:
StopProcessPacket(quintptr token);
enum class SignalType {
Kill, // Calls QProcess::kill
Terminate, // Calls QProcess::terminate
Close // Puts the process into the reaper, no confirmation signal is being sent.
};
SignalType signalType = SignalType::Kill;
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class WritePacket : public LauncherPacket
{
public:
WritePacket(quintptr token) : LauncherPacket(LauncherPacketType::WriteIntoProcess, token) { }
QByteArray inputData;
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class ShutdownPacket : public LauncherPacket
{
public:
ShutdownPacket();
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class ReadyReadPacket : public LauncherPacket
{
public:
QByteArray standardChannel;
protected:
ReadyReadPacket(LauncherPacketType type, quintptr token) : LauncherPacket(type, token) { }
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
class ReadyReadStandardOutputPacket : public ReadyReadPacket
{
public:
ReadyReadStandardOutputPacket(quintptr token)
: ReadyReadPacket(LauncherPacketType::ReadyReadStandardOutput, token) { }
};
class ReadyReadStandardErrorPacket : public ReadyReadPacket
{
public:
ReadyReadStandardErrorPacket(quintptr token)
: ReadyReadPacket(LauncherPacketType::ReadyReadStandardError, token) { }
};
class ProcessDonePacket : public LauncherPacket
{
public:
ProcessDonePacket(quintptr token);
QByteArray stdOut;
QByteArray stdErr;
int exitCode = 0;
QProcess::ExitStatus exitStatus = QProcess::NormalExit;
QProcess::ProcessError error = QProcess::UnknownError;
QString errorString;
private:
void doSerialize(QDataStream &stream) const override;
void doDeserialize(QDataStream &stream) override;
};
} // namespace Internal
} // namespace Utils
Q_DECLARE_METATYPE(Utils::Internal::LauncherPacketType);
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