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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "baseconnectionmanager.h"
#include "endpuppetcommand.h"
#include "nodeinstanceserverproxy.h"
#include "nodeinstanceview.h"
#include <QLocalSocket>
#include <QTimer>
namespace QmlDesigner {
void BaseConnectionManager::setUp(NodeInstanceServerProxy *nodeInstanceServerProxy,
const QString &,
ProjectExplorer::Target *)
{
m_nodeInstanceServerProxy = nodeInstanceServerProxy;
m_isActive = true;
}
void BaseConnectionManager::shutDown()
{
m_isActive = false;
writeCommand(QVariant::fromValue(EndPuppetCommand()));
m_nodeInstanceServerProxy = nullptr;
}
bool BaseConnectionManager::isActive() const
{
return m_isActive;
}
void BaseConnectionManager::showCannotConnectToPuppetWarningAndSwitchToEditMode() {}
void BaseConnectionManager::processFinished()
{
processFinished(-1, QProcess::CrashExit);
}
void BaseConnectionManager::writeCommandToIODevice(const QVariant &command,
QIODevice *ioDevice,
unsigned int commandCounter)
{
if (ioDevice) {
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_8);
out << quint32(0);
out << quint32(commandCounter);
out << command;
out.device()->seek(0);
out << quint32(static_cast<unsigned long long>(block.size()) - sizeof(quint32));
ioDevice->write(block);
}
}
void BaseConnectionManager::dispatchCommand(const QVariant &command, Connection &)
{
if (!isActive())
return;
m_nodeInstanceServerProxy->dispatchCommand(command);
}
void BaseConnectionManager::readDataStream(Connection &connection)
{
QList<QVariant> commandList;
while (!connection.socket->atEnd()) {
if (connection.socket->bytesAvailable() < int(sizeof(quint32)))
break;
QDataStream in(connection.socket.get());
in.setVersion(QDataStream::Qt_4_8);
if (connection.blockSize == 0)
in >> connection.blockSize;
if (connection.socket->bytesAvailable() < connection.blockSize)
break;
quint32 commandCounter = 0;
in >> commandCounter;
bool commandLost = !((connection.lastReadCommandCounter == 0 && commandCounter == 0)
|| (connection.lastReadCommandCounter + 1 == commandCounter));
if (commandLost)
qDebug() << "server command lost: " << connection.lastReadCommandCounter << commandCounter;
connection.lastReadCommandCounter = commandCounter;
QVariant command;
in >> command;
connection.blockSize = 0;
commandList.append(command);
}
for (const QVariant &command : commandList)
dispatchCommand(command, connection);
}
} // namespace QmlDesigner
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