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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qtwasmtestlib.h>
#include <QtCore>
#include <QtNetwork>
const int socketWait = 1000;
const QString hostName = "localhost";
const int port = 1515;
class SockifySocketsTest: public QObject
{
Q_OBJECT
private slots:
void echo();
void echoMultipleMessages();
void echoMultipleSockets();
void remoteClose();
#if QT_CONFIG(thread)
void thread_echo();
void thread_remoteClose();
void thread_echoMultipleSockets();
#endif
#ifdef QT_HAVE_EMSCRIPTEN_ASYNCIFY
void asyncify_echo();
void asyncify_remoteClose();
#endif
};
class CompleteTestFunctionRefGuard {
public:
CompleteTestFunctionRefGuard(CompleteTestFunctionRefGuard const&) = delete;
CompleteTestFunctionRefGuard& operator=(CompleteTestFunctionRefGuard const&) = delete;
static CompleteTestFunctionRefGuard *create() {
return new CompleteTestFunctionRefGuard();
}
void ref() {
QMutexLocker lock(&mutex);
++counter;
}
void deref() {
bool itsTheFinalDeref = [this] {
QMutexLocker lock(&mutex);
return --counter == 0;
}();
if (itsTheFinalDeref) {
delete this;
QtWasmTest::completeTestFunction();
}
}
private:
CompleteTestFunctionRefGuard() { };
QMutex mutex;
int counter = 0;
};
#if QT_CONFIG(thread)
class TestThread : public QThread
{
public:
static QThread *create(std::function<void()> started, std::function<void()> finished)
{
TestThread *thread = new TestThread();
connect(thread, &QThread::started, [started]() {
started();
});
connect(thread, &QThread::finished, [thread, finished]() {
finished();
thread->deleteLater();
});
thread->start();
return thread;
}
};
#endif
void blockingEchoTest()
{
QTcpSocket socket;
socket.connectToHost(hostName, port);
if (!socket.waitForConnected(socketWait))
qFatal("socket connect error");
QByteArray message = "Hello, echo server!";
QByteArray command = "echo:" + message + ';';
socket.write(command);
socket.flush();
socket.waitForReadyRead(socketWait);
QByteArray expectedReply = message + ';';
QByteArray reply = socket.readAll();
if (reply != expectedReply)
qFatal("echo_multiple received incorrect reply");
socket.disconnectFromHost();
}
void blockingRemoteClose()
{
QTcpSocket socket;
qDebug() << "## connectToHost";
socket.connectToHost(hostName, port);
qDebug() << "## waitForConnected";
socket.waitForConnected(socketWait);
socket.write("close;");
socket.flush();
qDebug() << "## waitForBytesWritten";
socket.waitForBytesWritten(socketWait);
qDebug() << "## waitForReadyRead";
socket.waitForReadyRead(200);
qDebug() << "## waitForDisconnected";
socket.waitForDisconnected(socketWait);
qDebug() << "## done";
}
// Verify that sending one echo command and receiving the reply works
void SockifySocketsTest::echo()
{
QTcpSocket *socket = new QTcpSocket();
socket->connectToHost(hostName, port);
QByteArray message = "Hello, echo server!";
QObject::connect(socket, &QAbstractSocket::connected, [socket, message]() {
QByteArray command = "echo:" + message + ';';
socket->write(command);
socket->flush();
});
QByteArray *reply = new QByteArray();
QObject::connect(socket, &QIODevice::readyRead, [socket, reply, message]() {
*reply += socket->readAll();
if (reply->contains(';')) {
bool match = (*reply == message + ';');
socket->disconnectFromHost();
socket->deleteLater();
delete reply;
QtWasmTest::completeTestFunction(match ? QtWasmTest::TestResult::Pass : QtWasmTest::TestResult::Fail, std::string());
}
});
}
void SockifySocketsTest::echoMultipleMessages()
{
const int count = 20;
QTcpSocket *socket = new QTcpSocket();
socket->connectToHost(hostName, port);
QByteArray message = "Hello, echo server!";
QObject::connect(socket, &QAbstractSocket::connected, [socket, message]() {
QByteArray command = "echo:" + message + ';';
for (int i = 0; i < count; ++i) {
quint64 written = socket->write(command);
if (written != quint64(command.size()))
qFatal("Unable to write to socket");
}
socket->flush();
});
QByteArray expectedReply;
for (int i = 0; i < count; ++i)
expectedReply += (message + ';');
QByteArray *receivedReply = new QByteArray;
QObject::connect(socket, &QIODevice::readyRead, [socket, receivedReply, expectedReply]() {
QByteArray reply = socket->readAll();
*receivedReply += reply;
if (*receivedReply == expectedReply) {
socket->disconnectFromHost();
socket->deleteLater();
delete receivedReply;
QtWasmTest::completeTestFunction();
}
});
}
void SockifySocketsTest::echoMultipleSockets()
{
const int connections = 5;
auto guard = CompleteTestFunctionRefGuard::create();
QByteArray message = "Hello, echo server!";
for (int i = 0; i < connections; ++i) {
guard->ref();
QTcpSocket *socket = new QTcpSocket();
socket->connectToHost(hostName, port);
QObject::connect(socket, &QAbstractSocket::connected, [socket, message]() {
QByteArray command = "echo:" + message + ';';
socket->write(command);
socket->flush();
});
QObject::connect(socket, &QIODevice::readyRead, [guard, socket, message]() {
QByteArray reply = socket->readAll();
socket->disconnectFromHost();
socket->deleteLater();
if (reply != (message + ';'))
qFatal("echo_multiple received incorrect reply");
guard->deref();
});
}
}
void SockifySocketsTest::remoteClose()
{
QTcpSocket *socket = new QTcpSocket();
socket->connectToHost(hostName, port);
QObject::connect(socket, &QAbstractSocket::connected, [socket]() {
socket->write("close;");
socket->flush();
});
QObject::connect(socket, &QAbstractSocket::disconnected, [socket]() {
qDebug() << "disconnected";
socket->deleteLater();
QtWasmTest::completeTestFunction();
});
}
#if QT_CONFIG(thread)
void SockifySocketsTest::thread_echo()
{
auto started = []() {
blockingEchoTest();
QThread::currentThread()->quit();
};
auto finished = [](){
QtWasmTest::completeTestFunction();
};
TestThread::create(started, finished);
}
void SockifySocketsTest::thread_echoMultipleSockets()
{
const int connections = 2; // TODO: test more threads
auto guard = CompleteTestFunctionRefGuard::create();
guard->ref();
for (int i = 0; i < connections; ++i) {
guard->ref();
auto started = [](){
blockingEchoTest();
QThread::currentThread()->quit();
};
auto finished = [guard](){
guard->deref();
};
TestThread::create(started, finished);
}
guard->deref();
}
void SockifySocketsTest::thread_remoteClose()
{
auto started = [](){
blockingRemoteClose();
QThread::currentThread()->quit();
};
auto finished = [](){
QtWasmTest::completeTestFunction();
};
TestThread::create(started, finished);
}
#endif
#ifdef QT_HAVE_EMSCRIPTEN_ASYNCIFY
// Post an event to the main thread and asyncify wait for it
void SockifySocketsTest::asyncify_echo()
{
blockingEchoTest();
QtWasmTest::completeTestFunction();
}
void SockifySocketsTest::asyncify_remoteClose()
{
blockingRemoteClose();
QtWasmTest::completeTestFunction();
}
#endif
int main(int argc, char **argv)
{
auto testObject = std::make_shared<SockifySocketsTest>();
QtWasmTest::initTestCase<QCoreApplication>(argc, argv, testObject);
return 0;
}
#include "main.moc"
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