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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include "server.h" |
| |
| #include <QtWidgets> |
| #include <QtNetwork> |
| |
| Server::Server(QWidget *parent) |
| : QDialog(parent) |
| { |
| setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); |
| |
| server = new QLocalServer(this); |
| if (!server->listen("fortune")) { |
| QMessageBox::critical(this, tr("Local Fortune Server"), |
| tr("Unable to start the server: %1.") |
| .arg(server->errorString())); |
| close(); |
| return; |
| } |
| |
| QLabel *statusLabel = new QLabel; |
| statusLabel->setWordWrap(true); |
| statusLabel->setText(tr("The server is running.\n" |
| "Run the Local Fortune Client example now.")); |
| |
| fortunes << tr("You've been leading a dog's life. Stay off the furniture.") |
| << tr("You've got to think about tomorrow.") |
| << tr("You will be surprised by a loud noise.") |
| << tr("You will feel hungry again in another hour.") |
| << tr("You might have mail.") |
| << tr("You cannot kill time without injuring eternity.") |
| << tr("Computers are not intelligent. They only think they are."); |
| |
| QPushButton *quitButton = new QPushButton(tr("Quit")); |
| quitButton->setAutoDefault(false); |
| connect(quitButton, &QPushButton::clicked, this, &Server::close); |
| connect(server, &QLocalServer::newConnection, this, &Server::sendFortune); |
| |
| QHBoxLayout *buttonLayout = new QHBoxLayout; |
| buttonLayout->addStretch(1); |
| buttonLayout->addWidget(quitButton); |
| buttonLayout->addStretch(1); |
| |
| QVBoxLayout *mainLayout = new QVBoxLayout(this); |
| mainLayout->addWidget(statusLabel); |
| mainLayout->addLayout(buttonLayout); |
| |
| setWindowTitle(QGuiApplication::applicationDisplayName()); |
| } |
| |
| void Server::sendFortune() |
| { |
| QByteArray block; |
| QDataStream out(&block, QIODevice::WriteOnly); |
| out.setVersion(QDataStream::Qt_5_10); |
| const int fortuneIndex = QRandomGenerator::global()->bounded(0, fortunes.size()); |
| const QString &message = fortunes.at(fortuneIndex); |
| out << quint32(message.size()); |
| out << message; |
| |
| QLocalSocket *clientConnection = server->nextPendingConnection(); |
| connect(clientConnection, &QLocalSocket::disconnected, |
| clientConnection, &QLocalSocket::deleteLater); |
| |
| clientConnection->write(block); |
| clientConnection->flush(); |
| clientConnection->disconnectFromServer(); |
| } |