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188 lines
7.8 KiB
C++
188 lines
7.8 KiB
C++
/*
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* Copyright 2014-2016 Markus Prasser
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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 && !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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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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for ( const auto &s : settings->adminUsers ) {
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if ( s == settings->localUserName ) {
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qDebug() << "User" << settings->localUserName << "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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void lc::Lablib::GotNetstatQueryResult( QStringList *argActiveZLeafConnections ) {
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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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}
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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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QProcess showOrseeProcess;
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QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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showOrseeProcess.setProcessEnvironment( env );
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QString program{ settings->browserCmd };
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QStringList arguments{ QStringList{} << 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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// Start the process
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QProcess showPreprintsProcess;
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QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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showPreprintsProcess.setProcessEnvironment( env );
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QString program{ settings->fileMngr };
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QStringList arguments{ QStringList{} << 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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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, tr( "Data target directory will not"
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" 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, tr( "Data target directory could"
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" 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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}
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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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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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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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