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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Debug Bridge.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "processexecutor.h"
#include "../utils/make_unique.h"
#include "processcommon.h"
#include "stream.h"
#include <QtCore/qdatastream.h>
#include <QtCore/qdebug.h>
#include <QtCore/qprocess.h>
ProcessExecutor::ProcessExecutor(Stream *stream)
: m_stream{stream},
m_process{nullptr}
{
if (m_stream) {
connect(m_stream, &Stream::packetAvailable, this, &Executor::receive);
connect(m_stream, &Stream::closed, this, &Executor::onStreamClosed);
}
}
void ProcessExecutor::receive(StreamPacket packet)
{
uint32_t typeValue;
packet >> typeValue;
auto type = toProcessPacketType(typeValue);
switch (type) {
case ProcessStart: {
QString command;
QStringList arguments;
packet >> command >> arguments;
startProcess(command, arguments);
break;
}
case ProcessWrite: {
QByteArray data;
packet >> data;
writeToProcess(data);
break;
}
default:
Q_ASSERT_X(false, "ProcessExecutor::receive", "Unsupported ProcessPacketType");
break;
}
}
void ProcessExecutor::onStarted()
{
qDebug() << "Process started";
StreamPacket packet;
packet << ProcessStarted;
if (m_stream)
m_stream->write(packet);
}
void ProcessExecutor::onReadyRead()
{
qDebug() << "Process readyRead";
auto size = m_process->bytesAvailable();
QByteArray read = m_process->read(size);
StreamPacket packet;
packet << ProcessRead;
packet << read;
if (m_stream)
m_stream->write(packet);
}
void ProcessExecutor::onFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
qDebug() << "Process finished:" << exitCode;
QByteArray output = m_process->readAll();
StreamPacket packet;
packet << ProcessFinished;
packet << exitCode;
packet << (exitStatus == QProcess::NormalExit);
packet << output;
if (m_stream)
m_stream->write(packet);
}
void ProcessExecutor::onErrorOccurred(QProcess::ProcessError error)
{
qDebug() << "Process error:" << error;
StreamPacket packet;
packet << ProcessError;
uint32_t errorValue = static_cast<uint32_t>(error);
packet << errorValue;
if (m_stream)
m_stream->write(packet);
}
void ProcessExecutor::onStreamClosed()
{
m_stream = nullptr;
if (m_process) {
m_process->kill();
}
}
void ProcessExecutor::startProcess(const QString &command, const QStringList &arguments)
{
m_process = make_unique<QProcess>();
// merge stdout and stderr
m_process->setProcessChannelMode(QProcess::MergedChannels);
connect(m_process.get(), &QProcess::started, this, &ProcessExecutor::onStarted);
connect(m_process.get(), &QProcess::readyRead, this, &ProcessExecutor::onReadyRead);
connect(m_process.get(), static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
this, &ProcessExecutor::onFinished);
connect(m_process.get(), &QProcess::errorOccurred, this, &ProcessExecutor::onErrorOccurred);
qDebug() << "Running" << command << arguments;
m_process->start(command, arguments);
}
void ProcessExecutor::writeToProcess(const QByteArray &data)
{
Q_ASSERT(m_process);
qDebug() << "Writing to process:" << data;
m_process->write(data);
}
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