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#include "networkmanager.h"
#include "datatypes.h"
#include "debug_functions.h"
#include "lobby.h"
#include <QJsonArray>
#include <QJsonDocument>
#include <QNetworkReply>
NetworkManager::NetworkManager(AOApplication *parent) : QObject(parent)
{
ao_app = parent;
server_socket = new QTcpSocket(this);
http = new QNetworkAccessManager(this);
heartbeat_timer = new QTimer(this);
connect(server_socket, &QTcpSocket::readyRead, this,
&NetworkManager::handle_server_packet);
connect(server_socket, &QTcpSocket::disconnected, ao_app,
&AOApplication::server_disconnected);
QString master_config =
ao_app->configini->value("master", "").value<QString>();
if (!master_config.isEmpty() && QUrl(master_config).scheme().startsWith("http")) {
qInfo() << "using alternate master server" << master_config;
ms_baseurl = master_config;
}
connect(heartbeat_timer, &QTimer::timeout, this, &NetworkManager::send_heartbeat);
heartbeat_timer->start(heartbeat_interval);
}
void NetworkManager::get_server_list(const std::function<void()> &cb)
{
QNetworkRequest req(QUrl(ms_baseurl + "/servers"));
req.setRawHeader("User-Agent", get_user_agent().toUtf8());
QNetworkReply *reply = http->get(req);
connect(reply, &QNetworkReply::finished,
this, std::bind(&NetworkManager::ms_request_finished, this, reply, cb));
}
void NetworkManager::ms_request_finished(QNetworkReply *reply,
const std::function<void()> &cb)
{
QJsonDocument json = QJsonDocument::fromJson(reply->readAll());
if (json.isNull()) {
qCritical().noquote() << "Invalid JSON response from" << reply->url();
reply->deleteLater();
return;
}
qDebug().noquote() << "Got valid response from" << reply->url();
QVector<server_type> server_list;
const auto jsonEntries = json.array();
for (const auto &entryRef : jsonEntries) {
const auto entry = entryRef.toObject();
server_type server;
server.ip = entry["ip"].toString();
server.port = entry["port"].toInt();
server.name = entry["name"].toString();
server.desc = entry["description"].toString(tr("No description provided."));
server_list.append(server);
}
ao_app->set_server_list(server_list);
cb();
reply->deleteLater();
}
void NetworkManager::send_heartbeat()
{
// Ping the server periodically to tell the MS that you've been playing
// within a 5 minute window, so that the the number of people playing within
// that time period can be counted and an accurate player count be displayed.
// What do I care about your personal information, I really don't want it.
if (ao_app->get_player_count_optout())
return;
QNetworkRequest req(QUrl(ms_baseurl + "/playing"));
req.setRawHeader("User-Agent", get_user_agent().toUtf8());
http->post(req, QByteArray());
}
void NetworkManager::request_document(MSDocumentType document_type,
const std::function<void(QString)> &cb)
{
const QMap<MSDocumentType, QString> endpoints {
// I have to balance an evil with a good
{ MSDocumentType::PrivacyPolicy, "/privacy" },
{ MSDocumentType::Motd, "/motd" },
{ MSDocumentType::ClientVersion, "/version" }
};
const QString &endpoint = endpoints[document_type];
QNetworkRequest req(QUrl(ms_baseurl + endpoint));
req.setRawHeader("User-Agent", get_user_agent().toUtf8());
QString language =
ao_app->configini->value("language").toString();
if (language.trimmed().isEmpty())
language = QLocale::system().name();
req.setRawHeader("Accept-Language", language.toUtf8());
qDebug().noquote().nospace()
<< "Getting " << endpoint << ", Accept-Language: " << language;
QNetworkReply *reply = http->get(req);
connect(reply, &QNetworkReply::finished, this, [endpoint, cb, reply] {
QString content = QString::fromUtf8(reply->readAll());
int http_status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (content.isEmpty() || http_status != 200) {
qDebug().noquote().nospace()
<< "Failed to get " << endpoint << " (" << reply->errorString() << ") "
<< "(http status " << http_status << ")";
content = QString();
}
cb(content);
reply->deleteLater();
});
}
void NetworkManager::connect_to_server(server_type p_server)
{
server_socket->close();
server_socket->abort();
qInfo().nospace().noquote() << "connecting to " << p_server.ip << ":"
<< p_server.port;
server_socket->connectToHost(p_server.ip, p_server.port);
}
void NetworkManager::ship_server_packet(QString p_packet)
{
server_socket->write(p_packet.toUtf8());
}
void NetworkManager::handle_server_packet()
{
QByteArray buffer = server_socket->readAll();
QString in_data = QString::fromUtf8(buffer, buffer.size());
if (!in_data.endsWith("%")) {
partial_packet = true;
temp_packet += in_data;
return;
}
else {
if (partial_packet) {
in_data = temp_packet + in_data;
temp_packet = "";
partial_packet = false;
}
}
const QStringList packet_list = in_data.split("%", QString::SkipEmptyParts);
for (const QString &packet : packet_list) {
AOPacket *f_packet = new AOPacket(packet);
ao_app->server_packet_received(f_packet);
}
}
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