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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "remotedeploymentreceiver.h"
#include "viewer.h"
#include <QtNetwork>
RemoteDeploymentReceiver::RemoteDeploymentReceiver(int serverPort, QObject *parent)
: QObject(parent)
, m_tcpServer(0)
, m_connection(0)
, m_temporaryDir(0)
, m_serverPort(serverPort)
, m_projectDeployed(false)
{
m_incoming.setVersion(QDataStream::Qt_5_8);
}
RemoteDeploymentReceiver::~RemoteDeploymentReceiver()
{
delete m_temporaryDir;
m_temporaryDir = 0;
}
void RemoteDeploymentReceiver::setPort(int value)
{
m_serverPort = value;
}
QString RemoteDeploymentReceiver::startServer()
{
if (m_tcpServer)
return QString();
m_tcpServer = new QTcpServer(this);
if (!m_tcpServer->listen(QHostAddress::Any, m_serverPort)) {
QString error = tr("Can't start the remote connection: '%1'")
.arg(m_tcpServer->errorString());
delete m_tcpServer;
m_tcpServer = 0;
return error;
}
QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
// use the first non-localhost IPv4 address
for (int i = 0; i < ipAddressesList.size(); ++i) {
if (ipAddressesList.at(i) != QHostAddress::LocalHost
&& ipAddressesList.at(i).toIPv4Address()) {
m_hostAddress = ipAddressesList.at(i);
break;
}
}
// if we did not find one, use IPv4 localhost
if (m_hostAddress.isNull())
m_hostAddress = QHostAddress(QHostAddress::LocalHost);
m_serverPort = m_tcpServer->serverPort();
connect(m_tcpServer, SIGNAL(newConnection()),
this, SLOT(acceptRemoteConnection()));
return QString();
}
void RemoteDeploymentReceiver::disconnectRemote()
{
if (m_connection)
m_connection->disconnectFromHost();
}
void RemoteDeploymentReceiver::acceptRemoteConnection()
{
Q_ASSERT(m_tcpServer);
Q_ASSERT(!m_connection);
m_connection = m_tcpServer->nextPendingConnection();
Q_ASSERT(m_connection);
m_incoming.setDevice(m_connection);
connect(m_connection, &QTcpSocket::disconnected,
this, &RemoteDeploymentReceiver::acceptRemoteDisconnection);
connect(m_connection, &QTcpSocket::readyRead,
this, &RemoteDeploymentReceiver::readProject);
Q_EMIT(remoteConnected());
}
void RemoteDeploymentReceiver::acceptRemoteDisconnection()
{
Q_ASSERT(m_tcpServer);
Q_ASSERT(m_connection);
m_connection->deleteLater();
m_connection = 0;
m_incoming.setDevice(0);
Q_EMIT(remoteDisconnected());
}
void RemoteDeploymentReceiver::readProject()
{
m_projectDeployed = false;
Q_EMIT(projectChanging());
m_incoming.startTransaction();
int totalBytes = 0;
m_incoming >> totalBytes;
Viewer *viewer = qobject_cast<Viewer *>(parent());
if (viewer && totalBytes != 0) {
viewer->updateProgress(
100 * ((double)m_connection->bytesAvailable() / (double)totalBytes));
}
if (m_connection->bytesAvailable() < totalBytes) {
m_incoming.rollbackTransaction();
return;
}
int numberOfFiles = 0;
QString projectFile;
m_incoming >> numberOfFiles;
m_incoming >> projectFile;
QVector<QPair<QString, QByteArray> > files;
for (int i = 0; i < numberOfFiles; ++i) {
QString fileName;
QByteArray fileContents;
m_incoming >> fileName;
m_incoming >> fileContents;
files.append(qMakePair(fileName, fileContents));
}
if (!m_incoming.commitTransaction()) {
m_incoming.abortTransaction();
qWarning() << "Error transferring remote project in one payload";
return;
}
QFileInfo currentProject(m_projectFile);
if (projectFile != currentProject.fileName()) {
delete m_temporaryDir;
m_temporaryDir = 0;
}
if (!m_temporaryDir)
m_temporaryDir = new QTemporaryDir;
Q_ASSERT(m_temporaryDir->isValid());
for (const auto &file : qAsConst(files)) {
QString filePath = m_temporaryDir->path() + QDir::separator() + file.first;
QFile tmpFile(filePath);
QDir tmpFileDir = QFileInfo(tmpFile).absoluteDir();
if (!tmpFileDir.exists())
tmpFileDir.mkpath(".");
if (!tmpFile.open(QIODevice::WriteOnly)) {
delete m_temporaryDir;
m_temporaryDir = 0;
qWarning() << "Error opening temporary file for remote project:"
<< filePath;
return;
}
if (file.first == projectFile)
m_projectFile = filePath;
tmpFile.write(file.second);
tmpFile.close();
}
m_projectDeployed = true;
Q_EMIT(projectChanged());
}
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