mirror of
https://github.com/MultiMC/MultiMC5.git
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177 lines
4.7 KiB
C++
177 lines
4.7 KiB
C++
#include "LoggedProcess.h"
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#include "MessageLevel.h"
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#include <QDebug>
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LoggedProcess::LoggedProcess(QObject *parent) : QProcess(parent)
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{
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// QProcess has a strange interface... let's map a lot of those into a few.
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connect(this, &QProcess::readyReadStandardOutput, this, &LoggedProcess::on_stdOut);
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connect(this, &QProcess::readyReadStandardError, this, &LoggedProcess::on_stdErr);
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connect(this, SIGNAL(finished(int,QProcess::ExitStatus)), SLOT(on_exit(int,QProcess::ExitStatus)));
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connect(this, SIGNAL(error(QProcess::ProcessError)), this, SLOT(on_error(QProcess::ProcessError)));
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connect(this, &QProcess::stateChanged, this, &LoggedProcess::on_stateChange);
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}
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LoggedProcess::~LoggedProcess()
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{
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if(m_is_detachable)
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{
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setProcessState(QProcess::NotRunning);
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}
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}
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QStringList reprocess(const QByteArray & data, QString & leftover)
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{
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QString str = leftover + QString::fromLocal8Bit(data);
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str.remove('\r');
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QStringList lines = str.split("\n");
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leftover = lines.takeLast();
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return lines;
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}
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void LoggedProcess::on_stdErr()
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{
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auto lines = reprocess(readAllStandardError(), m_err_leftover);
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emit log(lines, MessageLevel::StdErr);
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}
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void LoggedProcess::on_stdOut()
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{
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auto lines = reprocess(readAllStandardOutput(), m_out_leftover);
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emit log(lines, MessageLevel::StdOut);
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}
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void LoggedProcess::on_exit(int exit_code, QProcess::ExitStatus status)
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{
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// save the exit code
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m_exit_code = exit_code;
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// Flush console window
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if (!m_err_leftover.isEmpty())
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{
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emit log({m_err_leftover}, MessageLevel::StdErr);
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m_err_leftover.clear();
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}
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if (!m_out_leftover.isEmpty())
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{
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emit log({m_err_leftover}, MessageLevel::StdOut);
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m_out_leftover.clear();
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}
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// based on state, send signals
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if (!m_is_aborting)
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{
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if (status == QProcess::NormalExit)
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{
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//: Message displayed on instance exit
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emit log({tr("Process exited with code %1.").arg(exit_code)}, MessageLevel::Launcher);
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changeState(LoggedProcess::Finished);
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}
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else
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{
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//: Message displayed on instance crashed
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if(exit_code == -1)
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emit log({tr("Process crashed.")}, MessageLevel::Launcher);
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else
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emit log({tr("Process crashed with exitcode %1.").arg(exit_code)}, MessageLevel::Launcher);
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changeState(LoggedProcess::Crashed);
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}
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}
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else
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{
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//: Message displayed after the instance exits due to kill request
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emit log({tr("Process was killed by user.")}, MessageLevel::Error);
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changeState(LoggedProcess::Aborted);
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}
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}
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void LoggedProcess::on_error(QProcess::ProcessError error)
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{
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switch(error)
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{
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case QProcess::FailedToStart:
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{
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emit log({tr("The process failed to start.")}, MessageLevel::Fatal);
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changeState(LoggedProcess::FailedToStart);
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break;
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}
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// we'll just ignore those... never needed them
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case QProcess::Crashed:
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case QProcess::ReadError:
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case QProcess::Timedout:
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case QProcess::UnknownError:
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case QProcess::WriteError:
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break;
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}
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}
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void LoggedProcess::kill()
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{
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m_is_aborting = true;
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QProcess::kill();
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}
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int LoggedProcess::exitCode() const
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{
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return m_exit_code;
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}
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void LoggedProcess::changeState(LoggedProcess::State state)
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{
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if(state == m_state)
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return;
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m_state = state;
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emit stateChanged(m_state);
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}
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LoggedProcess::State LoggedProcess::state() const
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{
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return m_state;
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}
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void LoggedProcess::on_stateChange(QProcess::ProcessState state)
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{
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switch(state)
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{
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case QProcess::NotRunning:
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break; // let's not - there are too many that handle this already.
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case QProcess::Starting:
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{
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if(m_state != LoggedProcess::NotRunning)
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{
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qWarning() << "Wrong state change for process from state" << m_state << "to" << (int) LoggedProcess::Starting;
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}
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changeState(LoggedProcess::Starting);
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return;
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}
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case QProcess::Running:
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{
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if(m_state != LoggedProcess::Starting)
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{
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qWarning() << "Wrong state change for process from state" << m_state << "to" << (int) LoggedProcess::Running;
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}
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changeState(LoggedProcess::Running);
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return;
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}
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}
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}
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#if defined Q_OS_WIN32
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#include <windows.h>
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#endif
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qint64 LoggedProcess::processId() const
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{
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#ifdef Q_OS_WIN
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return pid() ? pid()->dwProcessId : 0;
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#else
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return pid();
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#endif
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}
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void LoggedProcess::setDetachable(bool detachable)
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{
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m_is_detachable = detachable;
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}
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