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#include "qcoroiodevice.h"
#include "qcorotask.h"
#include <QCoreApplication>
#include <QHostAddress>
#include <QTcpServer>
#include <QTcpSocket>
#include <QTimer>
#include <chrono>
#include <iostream>
using namespace std::chrono_literals;
class Server : public QObject {
Q_OBJECT
public:
explicit Server(QHostAddress addr, uint16_t port) {
mServer.listen(addr, port);
connect(&mServer, &QTcpServer::newConnection, this, &Server::handleConnection);
}
private Q_SLOTS:
QCoro::Task<> handleConnection() {
auto socket = mServer.nextPendingConnection();
while (socket->isOpen()) {
const auto data = co_await socket;
socket->write("PONG: " + data);
}
}
private:
QTcpServer mServer;
};
class Client : public QObject {
Q_OBJECT
public:
explicit Client(QHostAddress addr, uint16_t port) {
mSocket.connectToHost(addr, port);
connect(&mTimer, &QTimer::timeout, this, &Client::sendPing);
mTimer.start(300ms);
}
private Q_SLOTS:
QCoro::Task<> sendPing() {
std::cout << "Sending ping..." << std::endl;
mSocket.write(QByteArray("PING #") + QByteArray::number(++mPing));
const auto response = co_await mSocket;
std::cout << "Received pong: " << response.constData() << std::endl;
}
private:
int mPing = 0;
QTcpSocket mSocket;
QTimer mTimer;
};
int main(int argc, char **argv) {
QCoreApplication app{argc, argv};
Server server{QHostAddress::LocalHost, 6666};
Client client{QHostAddress::LocalHost, 6666};
return app.exec();
}
#include "main.moc"
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