kdeconnect-kde/core/backends/lan/lanlinkprovider.h
2023-08-10 15:54:54 +02:00

105 lines
2.9 KiB
C++

/**
* SPDX-FileCopyrightText: 2013 Albert Vaca <albertvaka@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#ifndef LANLINKPROVIDER_H
#define LANLINKPROVIDER_H
#include <QObject>
#include <QSslSocket>
#include <QTcpServer>
#include <QTimer>
#include <QUdpSocket>
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
#include <QNetworkConfigurationManager>
#include <QNetworkSession>
#else
#include <QNetworkInformation>
#endif
#include "backends/linkprovider.h"
#include "kdeconnectcore_export.h"
#include "landevicelink.h"
#include "server.h"
#ifdef KDECONNECT_MDNS
#include "mdnsdiscovery.h"
#endif
class KDECONNECTCORE_EXPORT LanLinkProvider : public LinkProvider
{
Q_OBJECT
public:
/**
* @param testMode Some special overrides needed while testing
* @param udpBroadcastPort Port which should be used for *sending* identity packets
* @param udpListenPort Port which should be used for *receiving* identity packets
*/
LanLinkProvider(bool testMode = false, quint16 udpBroadcastPort = UDP_PORT, quint16 udpListenPort = UDP_PORT);
~LanLinkProvider() override;
QString name() override
{
return QStringLiteral("LanLinkProvider");
}
void sendUdpIdentityPacket(const QList<QHostAddress> &addresses);
static void configureSslSocket(QSslSocket *socket, const QString &deviceId, bool isDeviceTrusted);
static void configureSocket(QSslSocket *socket);
/**
* This is the default UDP port both for broadcasting and receiving identity packets
*/
const static quint16 UDP_PORT = 1716;
const static quint16 MIN_TCP_PORT = 1716;
const static quint16 MAX_TCP_PORT = 1764;
public Q_SLOTS:
void onNetworkChange() override;
void onLinkDestroyed(const QString &deviceId, DeviceLink *oldPtr) override;
void onStart() override;
void onStop() override;
void tcpSocketConnected();
void encrypted();
void connectError(QAbstractSocket::SocketError socketError);
private Q_SLOTS:
void udpBroadcastReceived();
void newConnection();
void dataReceived();
void sslErrors(const QList<QSslError> &errors);
void combinedOnNetworkChange();
private:
void addLink(QSslSocket *socket, const DeviceInfo &deviceInfo);
QList<QHostAddress> getBroadcastAddresses();
void sendUdpIdentityPacket(QUdpSocket &socket, const QList<QHostAddress> &addresses);
void broadcastUdpIdentityPacket();
Server *m_server;
QUdpSocket m_udpSocket;
quint16 m_tcpPort;
quint16 m_udpBroadcastPort;
quint16 m_udpListenPort;
QMap<QString, LanDeviceLink *> m_links;
struct PendingConnect {
NetworkPacket *np;
QHostAddress sender;
};
QMap<QSslSocket *, PendingConnect> m_receivedIdentityPackets;
QMap<QString, qint64> m_lastConnectionTime;
const bool m_testMode;
QTimer m_combineNetworkChangeTimer;
#ifdef KDECONNECT_MDNS
MdnsDiscovery m_mdnsDiscovery;
#endif
};
#endif