You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
4.2 KiB
C++
108 lines
4.2 KiB
C++
#include "helpmessagewindow.h"
|
|
|
|
#include <iostream>
|
|
|
|
lcHelpMessageWindow::lcHelpMessageWindow( const QString &argServerIP, const unsigned short int &argServerPort, QWidget *argParent ) :
|
|
QMainWindow{ argParent },
|
|
helpMessageSocket { new QTcpSocket{ this } },
|
|
serverPort{ argServerPort },
|
|
serverAddress{ argServerIP },
|
|
ui{ new Ui::HelpMessageWindow }
|
|
{
|
|
ui->setupUi( this );
|
|
connect( ui->PBAskForHelp, &QPushButton::clicked, this, &lcHelpMessageWindow::RequestHelp );
|
|
connect( helpMessageSocket, &QTcpSocket::readyRead, this, &lcHelpMessageWindow::ReadHelpReply );
|
|
connect( helpMessageSocket, SIGNAL( error( QAbstractSocket::SocketError ) ),
|
|
this, SLOT( DisplayError( QAbstractSocket::SocketError ) ) );
|
|
|
|
QNetworkConfigurationManager manager;
|
|
if ( manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired ) {
|
|
// Get saved network configuration
|
|
QSettings settings{ QSettings::UserScope, QLatin1String{ "QtProject" } };
|
|
settings.beginGroup( QLatin1String{ "QtNetwork" } );
|
|
const QString id = settings.value( QLatin1String{ "DefaultNetworkConfiguration" } ).toString();
|
|
settings.endGroup();
|
|
|
|
// If the saved network configuration is not currently discovered use the system default
|
|
QNetworkConfiguration config = manager.configurationFromIdentifier( id );
|
|
if ( ( config.state() & QNetworkConfiguration::Discovered ) != QNetworkConfiguration::Discovered ) {
|
|
config = manager.defaultConfiguration();
|
|
}
|
|
|
|
networkSession = new QNetworkSession{ config, this };
|
|
connect( networkSession, &QNetworkSession::opened, this, &lcHelpMessageWindow::OpenedSession );
|
|
|
|
networkSession->open();
|
|
}
|
|
}
|
|
|
|
lcHelpMessageWindow::~lcHelpMessageWindow() {
|
|
delete ui;
|
|
}
|
|
|
|
void lcHelpMessageWindow::DisplayError( QAbstractSocket::SocketError socketError ) {
|
|
QString errorMessage;
|
|
switch ( socketError ) {
|
|
case QAbstractSocket::RemoteHostClosedError:
|
|
return;
|
|
case QAbstractSocket::HostNotFoundError:
|
|
errorMessage = tr( "An error occurred: The server could not be found for error reporting:\n" );
|
|
break;
|
|
case QAbstractSocket::ConnectionRefusedError:
|
|
errorMessage = tr( "An error occurred: The connection was refused by the laboratory server:\n" );
|
|
break;
|
|
default:
|
|
errorMessage = tr( "The following error occured:\n" );
|
|
}
|
|
errorMessage.append( tr("%1").arg( helpMessageSocket->errorString() ) );
|
|
errorMessage.append( "\n\nPlease raise your hand to notify the experimenters." );
|
|
ui->LSendingSuccess->setText( errorMessage );
|
|
}
|
|
|
|
void lcHelpMessageWindow::OpenedSession() {
|
|
// Save the used configuration
|
|
QNetworkConfiguration config = networkSession->configuration();
|
|
QString id;
|
|
if ( config.type() == QNetworkConfiguration::UserChoice )
|
|
id = networkSession->sessionProperty( QLatin1String{ "UserChoiceConfiguration" } ).toString();
|
|
else
|
|
id = config.identifier();
|
|
|
|
QSettings settings{ QSettings::UserScope, QLatin1String{ "QtProject" } };
|
|
settings.beginGroup( QLatin1String{ "QtNetwork" } );
|
|
settings.setValue( QLatin1String{ "DefaultNetworkConfiguration" }, id );
|
|
settings.endGroup();
|
|
}
|
|
|
|
void lcHelpMessageWindow::ReadHelpReply() {
|
|
QDataStream in( helpMessageSocket );
|
|
in.setVersion( QDataStream::Qt_5_2 );
|
|
|
|
if ( blockSize == 0 ) {
|
|
if ( helpMessageSocket->bytesAvailable() < ( int )sizeof( quint16 ) )
|
|
return;
|
|
|
|
in >> blockSize;
|
|
}
|
|
|
|
if ( helpMessageSocket->bytesAvailable() < blockSize ) {
|
|
return;
|
|
}
|
|
|
|
QString serverAnswer;
|
|
in >> serverAnswer;
|
|
|
|
if ( serverAnswer == "Help demand retrieved." ) {
|
|
ui->LSendingSuccess->setText( tr( "Help message successfully sent.\nPlease wait for the experimenter to show up at your booth." ) );
|
|
ui->PBAskForHelp->setEnabled( false );
|
|
} else {
|
|
ui->LSendingSuccess->setText( tr( "An error occurred sending the help message. Please raise your arm.\n\n'%1'" ).arg( serverAnswer ) );
|
|
}
|
|
}
|
|
|
|
void lcHelpMessageWindow::RequestHelp() {
|
|
blockSize = 0;
|
|
helpMessageSocket->abort();
|
|
helpMessageSocket->connectToHost( serverAddress, serverPort );
|
|
}
|