109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/**
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* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "avahiannouncer.h"
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#include "devicelinks/udpdevicelink.h"
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#include <QHostInfo>
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AvahiAnnouncer::AvahiAnnouncer()
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{
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QString serviceType = "_kdeconnect._udp";
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quint16 port = 10601;
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//http://api.kde.org/4.x-api/kdelibs-apidocs/dnssd/html/index.html
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service = new DNSSD::PublicService(QHostInfo::localHostName(), serviceType, port);
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mUdpSocket = new QUdpSocket();
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mUdpSocket->bind(port);
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connect(mUdpSocket, SIGNAL(readyRead()), this, SLOT(newConnection()));
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qDebug() << "Listening to udp messages";
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}
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void AvahiAnnouncer::newConnection()
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{
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qDebug() << "AvahiAnnouncer newConnection";
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while (mUdpSocket->hasPendingDatagrams()) {
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QByteArray datagram;
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datagram.resize(mUdpSocket->pendingDatagramSize());
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NetAddress client;
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mUdpSocket->readDatagram(datagram.data(), datagram.size(), &(client.ip), &(client.port));
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//log.write(datagram);
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qDebug() << "AvahiAnnouncer incomming udp datagram: " << datagram;
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NetworkPackage np;
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NetworkPackage::unserialize(datagram,&np);
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if (np.type() == "kdeconnect.identity") {
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const QString& id = np.get<QString>("deviceId");
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//const QString& name = np.get<QString>("deviceName");
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qDebug() << "AvahiAnnouncer creating link to device" << id << "(" << client.ip << "," << client.port << ")";
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DeviceLink* dl = new UdpDeviceLink(id, this, client.ip);
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connect(dl,SIGNAL(destroyed(QObject*)),this,SLOT(deviceLinkDestroyed(QObject*)));
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emit onNewDeviceLink(np, dl);
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NetworkPackage::createIdentityPackage(&np);
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dl->sendPackage(np);
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if (links.contains(id)) {
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//Delete old link if we already know it, probably it is down if this happens.
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qDebug() << "Destroying old link";
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delete links[id];
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}
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links[id] = dl;
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} else {
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qDebug() << "Not an identification package (wuh?)";
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}
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}
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}
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void AvahiAnnouncer::deviceLinkDestroyed(QObject* deviceLink)
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{
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const QString& id = ((DeviceLink*)deviceLink)->deviceId();
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if (links.contains(id)) links.remove(id);
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}
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AvahiAnnouncer::~AvahiAnnouncer()
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{
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delete service;
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}
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void AvahiAnnouncer::setDiscoverable(bool b)
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{
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qDebug() << "Avahi announcing";
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if (b) service->publishAsync();
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}
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