113 lines
3.5 KiB
C++
113 lines
3.5 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 "avahitcplinkprovider.h"
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#include "devicelinks/tcpdevicelink.h"
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#include <QHostInfo>
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#include <QTcpServer>
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AvahiTcpLinkProvider::AvahiTcpLinkProvider()
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{
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QString serviceType = "_kdeconnect._tcp";
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quint16 port = 10602;
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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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mServer = new QTcpServer(this);
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connect(mServer,SIGNAL(newConnection()),this, SLOT(newConnection()));
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mServer->listen(QHostAddress::Any, port);
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}
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void AvahiTcpLinkProvider::newConnection()
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{
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qDebug() << "AvahiTcpLinkProvider newConnection";
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QTcpSocket* socket = mServer->nextPendingConnection();
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socket->setSocketOption(QAbstractSocket::KeepAliveOption, 1);
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connect(socket,SIGNAL(readyRead()),this,SLOT(dataReceived()));
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NetworkPackage np;
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NetworkPackage::createIdentityPackage(&np);
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int written = socket->write(np.serialize());
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qDebug() << np.serialize();
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qDebug() << "AvahiTcpLinkProvider sent package." << written << " bytes written, waiting for reply";
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}
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void AvahiTcpLinkProvider::dataReceived()
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{
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QTcpSocket* socket = (QTcpSocket*) QObject::sender();
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QByteArray data = socket->readLine();
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qDebug() << "AvahiTcpLinkProvider received reply:" << data;
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NetworkPackage np;
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NetworkPackage::unserialize(data,&np);
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if (np.version() > 0 && np.type() == PACKAGE_TYPE_IDENTITY) {
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const QString& id = np.get<QString>("deviceId");
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TcpDeviceLink* dl = new TcpDeviceLink(id, this, socket);
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connect(dl,SIGNAL(destroyed(QObject*)),this,SLOT(deviceLinkDestroyed(QObject*)));
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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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qDebug() << "AvahiTcpLinkProvider creating link to device" << id << "(" << socket->peerAddress() << ")";
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emit onNewDeviceLink(np, dl);
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disconnect(socket,SIGNAL(readyRead()),this,SLOT(dataReceived()));
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} else {
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qDebug() << "AvahiTcpLinkProvider/newConnection: Not an identification package (wuh?)";
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}
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}
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void AvahiTcpLinkProvider::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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AvahiTcpLinkProvider::~AvahiTcpLinkProvider()
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{
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delete service;
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}
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void AvahiTcpLinkProvider::setDiscoverable(bool b)
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{
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qDebug() << "AvahiTcpLinkProvider discoverable:" << b;
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if (b) service->publishAsync();
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}
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