qt 6.5.1 original

tests/auto/network/socket/qudpsocket/clientserver/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## clientserver Binary:
+#####################################################################
+
+qt_internal_add_executable(clientserver
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/"
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Network
+)

tests/auto/network/socket/qudpsocket/clientserver/main.cpp

@@ -0,0 +1,136 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtNetwork>
+
+class ClientServer : public QUdpSocket
+{
+    Q_OBJECT
+public:
+    enum Type {
+        ConnectedClient,
+        UnconnectedClient,
+        Server
+    };
+
+    ClientServer(Type type, const QString &host, quint16 port)
+        : type(type)
+    {
+        switch (type) {
+        case Server:
+            if (bind(0, ShareAddress | ReuseAddressHint)) {
+                printf("%d\n", localPort());
+            } else {
+                printf("XXX\n");
+            }
+            break;
+        case ConnectedClient:
+            connectToHost(host, port);
+            startTimer(250);
+            printf("ok\n");
+            break;
+        case UnconnectedClient:
+            peerAddress = QHostAddress(host);
+            peerPort = port;
+            if (bind(QHostAddress::Any, port + 1, ShareAddress | ReuseAddressHint)) {
+                startTimer(250);
+                printf("ok\n");
+            } else {
+                printf("XXX\n");
+            }
+            break;
+        }
+        fflush(stdout);
+
+        connect(this, SIGNAL(readyRead()), this, SLOT(readTestData()));
+    }
+
+protected:
+    void timerEvent(QTimerEvent *event) override
+    {
+        static int n = 0;
+        switch (type) {
+        case ConnectedClient:
+            write(QByteArray::number(n++));
+            break;
+        case UnconnectedClient:
+            writeDatagram(QByteArray::number(n++), peerAddress, peerPort);
+            break;
+        default:
+            break;
+        }
+
+        QUdpSocket::timerEvent(event);
+    }
+
+private slots:
+    void readTestData()
+    {
+        printf("readData()\n");
+        switch (type) {
+        case ConnectedClient: {
+            while (bytesAvailable() || hasPendingDatagrams()) {
+                QByteArray data = readAll();
+                printf("got %d\n", data.toInt());
+            }
+            break;
+        }
+        case UnconnectedClient: {
+            while (hasPendingDatagrams()) {
+                QByteArray data;
+                data.resize(pendingDatagramSize());
+                readDatagram(data.data(), data.size());
+                printf("got %d\n", data.toInt());
+            }
+            break;
+        }
+        case Server: {
+            while (hasPendingDatagrams()) {
+                QHostAddress sender;
+                quint16 senderPort;
+                QByteArray data;
+                data.resize(pendingDatagramSize());
+                readDatagram(data.data(), data.size(), &sender, &senderPort);
+                printf("got %d\n", data.toInt());
+                printf("sending %d\n", data.toInt() * 2);
+                writeDatagram(QByteArray::number(data.toInt() * 2), sender, senderPort);
+            }
+            break;
+        }
+        }
+        fflush(stdout);
+    }
+
+private:
+    Type type;
+    QHostAddress peerAddress;
+    quint16 peerPort;
+};
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+    ClientServer::Type type;
+    if (app.arguments().size() < 4)  {
+        qDebug("usage: %s [ConnectedClient <server> <port>|UnconnectedClient <server> <port>|Server]", argv[0]);
+        return 1;
+    }
+
+    QString arg = app.arguments().at(1).trimmed().toLower();
+    if (arg == "connectedclient") {
+        type = ClientServer::ConnectedClient;
+    } else if (arg == "unconnectedclient") {
+        type = ClientServer::UnconnectedClient;
+    } else if (arg == "server") {
+        type = ClientServer::Server;
+    } else {
+        qDebug("usage: %s [ConnectedClient <server> <port>|UnconnectedClient <server> <port>|Server]", argv[0]);
+        return 1;
+    }
+
+    ClientServer clientServer(type, app.arguments().at(2),
+                              app.arguments().at(3).toInt());
+
+    return app.exec();
+}
+
+#include "main.moc"