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50
51#include "server.h"
52
53#include <QtWidgets>
54#include <QtNetwork>
55
56Server::Server(QWidget *parent)
57 : QDialog(parent)
58{
59 setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
60
61 server = new QLocalServer(this);
62 if (!server->listen("fortune")) {
63 QMessageBox::critical(this, tr("Local Fortune Server"),
64 tr("Unable to start the server: %1.")
65 .arg(server->errorString()));
66 close();
67 return;
68 }
69
70 QLabel *statusLabel = new QLabel;
71 statusLabel->setWordWrap(true);
72 statusLabel->setText(tr("The server is running.\n"
73 "Run the Local Fortune Client example now."));
74
75 fortunes << tr("You've been leading a dog's life. Stay off the furniture.")
76 << tr("You've got to think about tomorrow.")
77 << tr("You will be surprised by a loud noise.")
78 << tr("You will feel hungry again in another hour.")
79 << tr("You might have mail.")
80 << tr("You cannot kill time without injuring eternity.")
81 << tr("Computers are not intelligent. They only think they are.");
82
83 QPushButton *quitButton = new QPushButton(tr("Quit"));
84 quitButton->setAutoDefault(false);
85 connect(quitButton, &QPushButton::clicked, this, &Server::close);
86 connect(server, &QLocalServer::newConnection, this, &Server::sendFortune);
87
88 QHBoxLayout *buttonLayout = new QHBoxLayout;
89 buttonLayout->addStretch(1);
90 buttonLayout->addWidget(quitButton);
91 buttonLayout->addStretch(1);
92
93 QVBoxLayout *mainLayout = new QVBoxLayout(this);
94 mainLayout->addWidget(statusLabel);
95 mainLayout->addLayout(buttonLayout);
96
97 setWindowTitle(QGuiApplication::applicationDisplayName());
98}
99
100void Server::sendFortune()
101{
102 QByteArray block;
103 QDataStream out(&block, QIODevice::WriteOnly);
104 out.setVersion(QDataStream::Qt_5_10);
105 const int fortuneIndex = QRandomGenerator::global()->bounded(0, fortunes.size());
106 const QString &message = fortunes.at(fortuneIndex);
107 out << quint32(message.size());
108 out << message;
109
110 QLocalSocket *clientConnection = server->nextPendingConnection();
111 connect(clientConnection, &QLocalSocket::disconnected,
112 clientConnection, &QLocalSocket::deleteLater);
113
114 clientConnection->write(block);
115 clientConnection->flush();
116 clientConnection->disconnectFromServer();
117}
118