qt 6.5.1 original

tests/manual/socketengine/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_socketengine Binary:
+#####################################################################
+
+if (NOT QT_FEATURE_private_tests)
+    return()
+endif()
+
+qt_internal_add_manual_test(tst_socketengine
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::NetworkPrivate
+        Qt::Test
+)

tests/manual/socketengine/main.cpp

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+// 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 <QDebug>
+#include <qtest.h>
+#include <QTest>
+#include <QtNetwork/qnetworkreply.h>
+#include <QtNetwork/qnetworkrequest.h>
+#include <QtNetwork/qnetworkaccessmanager.h>
+#include <QtNetwork>
+#include <QDebug>
+#include <private/qabstractsocketengine_p.h>
+#include <cstdio>
+#include <QCoreApplication>
+
+const int bufsize = 16*1024;
+char buf[bufsize];
+
+int main(int argc, char**argv)
+{
+    QCoreApplication app(argc, argv);
+
+    // create it
+    QAbstractSocketEngine *socketEngine =
+            QAbstractSocketEngine::createSocketEngine(QAbstractSocket::TcpSocket, QNetworkProxy(QNetworkProxy::NoProxy), 0);
+    if (!socketEngine) {
+        qDebug() << "could not create engine";
+        exit(1);
+    }
+
+    // initialize it
+    bool initialized = socketEngine->initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol);
+    if (!initialized) {
+        qDebug() << "not able to initialize engine";
+        exit(1);
+    }
+
+    // wait for connected
+    int r = socketEngine->connectToHost(QHostAddress("74.125.77.99"), 80); // google
+    bool readyToRead = false;
+    bool readyToWrite = false;
+    socketEngine->waitForReadOrWrite(&readyToRead, &readyToWrite, true, true, 10*1000);
+    if (r <= 0) //timeout or error
+        exit(1);
+    if (readyToWrite) {
+        // write the request
+        QByteArray request("GET /robots.txt HTTP/1.0\r\n\r\n");
+        int ret = socketEngine->write(request.constData(), request.length());
+        if (ret == request.length()) {
+            // read the response in a loop
+            do {
+                bool waitReadResult = socketEngine->waitForRead(10*1000);
+                int available = socketEngine->bytesAvailable();
+                if (waitReadResult == true && available == 0) {
+                    // disconnected
+                    exit(0);
+                }
+                std::fill(buf, buf + bufsize, 0);
+                ret = socketEngine->read(buf, available);
+                if (ret > 0) {
+                    printf("%s", buf);
+                } else {
+                    // some failure when reading
+                    exit(1);
+                }
+            } while (1);
+        } else {
+            qDebug() << "failed writing";
+        }
+    } else {
+        qDebug() << "failed connecting";
+    }
+    delete socketEngine;
+}
+

tests/manual/socketengine/socketengine.pro

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+TEMPLATE = app
+TARGET = tst_socketengine
+
+QT -= gui
+QT += network-private core-private testlib
+
+SOURCES += main.cpp