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195 lines
7.6 KiB
C++
195 lines
7.6 KiB
C++
/*
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* Copyright 2014-2018 Markus Prasser, Tobias Weiss
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*
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* This file is part of Labcontrol.
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*
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* Labcontrol is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Labcontrol is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Labcontrol. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QDebug>
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#include <QErrorMessage>
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#include <QFile>
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#include <QTextStream>
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#include "lablib.h"
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lc::Lablib::Lablib(QObject *argParent) :
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QObject{argParent},
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labSettings{"Labcontrol", "Labcontrol", this},
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sessionsModel{new SessionsModel{this}}
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{
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for (const auto &s : settings->GetClients()) {
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connect(this, &Lablib::ZLEAF_RUNNING,
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s, &Client::SetStateToZLEAF_RUNNING);
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}
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DetectInstalledZTreeVersionsAndLaTeXHeaders();
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// Initialize all 'netstat' query mechanisms
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if (!settings->netstatCmd.isEmpty()) {
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netstatAgent = new NetstatAgent{settings->netstatCmd};
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netstatAgent->moveToThread(&netstatThread);
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connect(&netstatThread, &QThread::finished, netstatAgent, &QObject::deleteLater);
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connect(netstatAgent, &NetstatAgent::QueryFinished,
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this, &Lablib::GotNetstatQueryResult);
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netstatThread.start();
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netstatTimer = new QTimer{this};
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connect(netstatTimer, &QTimer::timeout,
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netstatAgent, &NetstatAgent::QueryClientConnections);
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netstatTimer->start(500);
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}
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// Initialize the server for client help requests retrieval
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if (settings->clientHelpNotificationServerPort
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&& !settings->serverIP.isEmpty()) {
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clientHelpNotificationServer = new ClientHelpNotificationServer{this};
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}
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}
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lc::Lablib::~Lablib ()
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{
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if (netstatTimer) {
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netstatTimer->stop();
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delete netstatTimer;
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}
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netstatThread.quit();
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netstatThread.wait();
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}
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bool lc::Lablib::CheckIfUserIsAdmin() const
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{
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for (const auto &s : settings->adminUsers) {
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if (s == settings->localUserName) {
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qDebug() << "User" << settings->localUserName
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<< "has administrative rights.";
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return true;
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}
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}
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return false;
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}
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void lc::Lablib::DetectInstalledZTreeVersionsAndLaTeXHeaders()
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{
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}
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void lc::Lablib::GotNetstatQueryResult(QStringList *argActiveZLeafConnections)
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{
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if (argActiveZLeafConnections != nullptr) {
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for (auto s : *argActiveZLeafConnections) {
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// Set all given clients' statuses to 'ZLEAF_RUNNING'
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emit ZLEAF_RUNNING( s );
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}
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} else
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qDebug() << "Netstat status query failed.";
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delete argActiveZLeafConnections;
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}
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void lc::Lablib::ShowOrsee()
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{
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QProcess showOrseeProcess;
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showOrseeProcess.setProcessEnvironment(QProcessEnvironment::systemEnvironment());
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QString program{settings->browserCmd};
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const QStringList arguments{settings->orseeUrl};
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showOrseeProcess.startDetached(program, arguments);
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// Output message via the debug messages tab
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qDebug() << program << arguments.join(" ");
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}
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void lc::Lablib::ShowPreprints()
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{
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// Start the process
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QProcess showPreprintsProcess;
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showPreprintsProcess.setProcessEnvironment(QProcessEnvironment::systemEnvironment());
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const QString program{settings->fileMngr};
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const QStringList arguments{settings->lcDataDir + "/preprints"};
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showPreprintsProcess.startDetached(program, arguments);
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// Output message via the debug messages tab
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qDebug() << program << arguments.join(" ");
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}
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void lc::Lablib::StartNewSession(QVector<Client *> argAssocCl,
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QString argParticipNameReplacement,
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bool argPrintLocalReceipts, QString argReceiptsHeader,
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QString argzTreeDataTargetPath, quint16 argzTreePort,
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QString argzTreeVersion)
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{
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if (!QDir(argzTreeDataTargetPath).exists()) {
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QMessageBox messageBox{QMessageBox::Critical, tr("Data target path does not exist"),
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tr("Your chosen data target path does not exist."
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" Do you want it to be created automatically?"),
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QMessageBox::Yes | QMessageBox::No};
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messageBox.exec();
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if (messageBox.clickedButton() == messageBox.button(QMessageBox::No)) {
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QMessageBox messageBox{QMessageBox::Critical,
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tr("Data target directory will not be created"),
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tr("Your chosen data target directory does not exist and"
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" will not be created. Please choose another one."),
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QMessageBox::Ok};
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messageBox.exec();
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return;
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} else {
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if (!QDir().mkpath(argzTreeDataTargetPath)) {
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QMessageBox messageBox{QMessageBox::Critical,
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tr("Data target directory could not be created"),
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tr("Your chosen data target directory does not exist"
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" and could not be created. Please choose another"
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" one."), QMessageBox::Ok};
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messageBox.exec();
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return;
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}
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}
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}
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try {
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sessionsModel->push_back(new Session{std::move(argAssocCl),
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argzTreeDataTargetPath,
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argzTreePort, argzTreeVersion,
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argPrintLocalReceipts,
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argParticipNameReplacement,
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argReceiptsHeader});
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occupiedPorts.append(sessionsModel->back()->zTreePort);
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} catch (Session::lcDataTargetPathCreationFailed) {
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QMessageBox::information(nullptr, tr("Chosen data target path could not be created"),
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tr("The path specified by your chosen data target path '%1'"
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" could not be created. Please check if it is a valid"
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" location and you have all needed permissions.")
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.arg(argzTreeDataTargetPath));
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}
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}
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void lc::Lablib::SetLocalZLeafDefaultName(const QString &argName)
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{
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settings->SetLocalzLeafName(argName);
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labSettings.setValue("local_zLeaf_name", argName);
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}
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//Returns the commandline that is issued on the client when zleaf is started
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QStringList lc::Lablib::getzLeafArgs(int sessionPort, QString zleafVersion)
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{
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QStringList arguments;
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if (sessionPort == 7000) {
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arguments << "DISPLAY=:0.0" << settings->tasksetCmd << "0x00000001" << settings->wineCmd
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<< QString{settings->zTreeInstDir + "/zTree_" + zleafVersion + "/zleaf.exe"}
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<< "/server" << settings->serverIP;
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} else {
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arguments << "DISPLAY=:0.0" << settings->tasksetCmd << "0x00000001" << settings->wineCmd
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<< QString{settings->zTreeInstDir + "/zTree_" + zleafVersion + "/zleaf.exe"}
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<< "/server" << settings->serverIP << "/channel"
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<< QString::number(sessionPort - 7000);
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}
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//Return the crafted QStringList
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return arguments;
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}
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