qdns-agg/src/main.cpp

#include <iostream>
#include <QCoreApplication>
#include "dns-client/QDnsUdpClient.h"
#include "dns-client/QDnsTcpClient.h"
#include "dns-server/QDnsUdpServer.h"
#include "dns-server/QDnsTcpServer.h"

int main(int argc, char* argv[])
{
    QCoreApplication app(argc, argv);

    QHostAddress bindAddress("127.0.0.1");
    quint16 bindPort = 5053;

    auto onRequest = [](QDns::Server::QDnsUdpServer::OnRequestParams params)
    {
        QDns::Base::QDnsPacket answer = params.query.makeAnswer();
        auto header = answer.getHeader();
        header.setReplyCode(QDns::Base::HeaderReplyCode::Refused);
        answer.setHeader(header);

        params.sendAnswer(QDns::Server::QDnsServer::SendAnswerParams
                                  {
                                          answer
                                  });
    };

    QDns::Server::QDnsTcpServer tcpServer;
    tcpServer.start(bindAddress, bindPort);
    QObject::connect(&tcpServer, &QDns::Server::QDnsServer::onRequest, onRequest);

    QDns::Server::QDnsUdpServer udpServer;
    udpServer.start(bindAddress, bindPort);
    QObject::connect(&udpServer, &QDns::Server::QDnsServer::onRequest, onRequest);


//    QDns::Client::QDnsUdpClient client(QHostAddress("127.0.0.1"));
//    QDns::Client::QDnsUdpClient client(QHostAddress("8.8.8.8"));
    QDns::Client::QDnsTcpClient client(QHostAddress("127.0.0.1"), 5053);
//    QDns::Client::QDnsTcpClient client(QHostAddress("8.8.8.8"));

    QList<QString> labels;
    labels << "www.google.fr" << "www.google.com" << "www.rthoni.com";

    QObject::connect(&client, &QDns::Client::QDnsClient::onAnswer, [&client, &labels](QDns::Client::QDnsClient::OnAnswerParams params)
    {
        labels.removeOne(params.query.getQueries().at(0).getName());
        for (const auto& answer : params.answer.getAnswerRecords())
        {
            qDebug() << "Answer:" << answer.getName();
        }
        qDebug() << "Answer:" << params.answer.getAnswerRecords().size();
        if (labels.empty())
        {
            client.disconnectFromHost();
        }
    });

    QObject::connect(&client, &QDns::Client::QDnsClient::onError, [&client, &labels](QDns::Client::QDnsClient::OnErrorParams params)
    {
        if (params.query.isValid())
        {
            labels.removeOne(params.query.getQueries().at(0).getName());
        }
        qDebug() << "Error:" << params.error;
        if (labels.empty())
        {
            client.disconnectFromHost();
        }
    });

    QObject::connect(&client, &QDns::Client::QDnsClient::onStateChanged, [&client, &labels](QDns::Client::QDnsClient::OnStateChangedParams params)
    {
        qDebug() << "State:" << params.state;
        if (params.state == QDns::Client::QDnsClient::ClientState::Connected)
        {
            for (const auto& label : labels)
            {
                client.query(QDns::Base::QDnsPacket::makeSimpleQuery(label, QDns::Base::RecordType::A));
            }
        }
    });

    client.connectToHost();



    return app.exec();
}