wasm: secondary thread blocking sockets example

Connects to echo_server via websockify, like the async version.

Change-Id: I9ed560cd388cfddbd0d284d8d40fb7ddf964ba96
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
(cherry picked from commit 7e0711e0c0cbafa8d5dc5b06412397a7c2b9d9ee)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Morten Johan Sørvig 2022-02-01 13:27:32 +01:00 committed by Qt Cherry-pick Bot
parent cde97bb6aa
commit e030b3fcef
3 changed files with 105 additions and 0 deletions

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qt_internal_add_manual_test(echo_client_secondarythread
GUI
SOURCES
main.cpp
PUBLIC_LIBRARIES
Qt::Core
Qt::Network
)

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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
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**
** This file is part of the examples of the Qt Toolkit.
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#include <QtCore>
#include <QtNetwork>
int main(int argc, char **argv) {
QCoreApplication app(argc, argv);
// This example connects to localhost, but note that the host can
// be any host reachable from the client using webscokets, at any port.
QString hostName = "localhost";
int port = 1515;
qDebug() << "## This example connects to a server at" << hostName << "port" << port << ","
<< "where it expects to find a WebSockify server, which forwards to the fortune server.";
auto echo = [hostName, port]() {
qDebug() << "Connecting to" << hostName << port;
QTcpSocket socket;
socket.connectToHost(hostName, port);
bool connected = socket.waitForConnected(3000);
if (!connected) {
qDebug() << "connect failure";
return;
}
qDebug() << "Connected";
socket.write("echo:Hello, echo server!;");
socket.flush();
qDebug() << "Calling waitForReadyRead()";
socket.waitForReadyRead(20000);
QByteArray data = socket.readAll();
qDebug() << "Got echo:" << data;
socket.disconnectFromHost();
socket.deleteLater();
qDebug() << "Disconnected";
};
QThread thread;
QObject::connect(&thread, &QThread::started, [echo](){
echo();
});
thread.start();
app.exec();
}