kdeconnect-kde/core/backends/lan/mdnsdiscovery.cpp
2023-08-28 17:08:18 +00:00

60 lines
1.9 KiB
C++

/**
* SPDX-FileCopyrightText: 2023 Albert Vaca <albertvaka@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "mdnsdiscovery.h"
#include "core_debug.h"
#include "kdeconnectconfig.h"
#include "lanlinkprovider.h"
#include "mdns_wrapper.h"
const QString kServiceType = QStringLiteral("_kdeconnect._udp.local");
MdnsDiscovery::MdnsDiscovery(LanLinkProvider *lanLinkProvider)
: mdnsAnnouncer(KdeConnectConfig::instance().deviceId(), kServiceType, LanLinkProvider::UDP_PORT)
{
KdeConnectConfig &config = KdeConnectConfig::instance();
mdnsAnnouncer.putTxtRecord(QStringLiteral("id"), config.deviceId());
mdnsAnnouncer.putTxtRecord(QStringLiteral("name"), config.name());
mdnsAnnouncer.putTxtRecord(QStringLiteral("type"), config.deviceType().toString());
mdnsAnnouncer.putTxtRecord(QStringLiteral("protocol"), QString::number(NetworkPacket::s_protocolVersion));
connect(&mdnsDiscoverer, &MdnsWrapper::Discoverer::serviceFound, [lanLinkProvider](const MdnsWrapper::Discoverer::MdnsService &service) {
if (KdeConnectConfig::instance().deviceId() == service.name) {
qCDebug(KDECONNECT_CORE) << "Discovered myself, ignoring";
return;
}
lanLinkProvider->sendUdpIdentityPacket(QList<QHostAddress>{service.address});
qCDebug(KDECONNECT_CORE) << "Discovered" << service.name << "at" << service.address;
});
}
MdnsDiscovery::~MdnsDiscovery()
{
onStop();
}
void MdnsDiscovery::onStart()
{
mdnsAnnouncer.startAnnouncing();
mdnsDiscoverer.startDiscovering(kServiceType);
}
void MdnsDiscovery::onStop()
{
mdnsAnnouncer.stopAnnouncing();
mdnsDiscoverer.stopDiscovering();
}
void MdnsDiscovery::onNetworkChange()
{
mdnsAnnouncer.onNetworkChange();
mdnsDiscoverer.stopDiscovering();
mdnsDiscoverer.startDiscovering(kServiceType);
}
#include "moc_mdnsdiscovery.cpp"