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https://github.com/HenkKalkwater/harbour-sailfin.git
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126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
/*
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Sailfin: a Jellyfin client written using Qt
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Copyright (C) 2021 Chris Josten
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef JELLYFIN_WEBSOCKET_H
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#define JELLYFIN_WEBSOCKET_H
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#include <QJsonDocument>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QJsonValue>
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#include <QDebug>
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#include <QObject>
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#include <QtGlobal>
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#include <QTimer>
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#include <QUuid>
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#include <QtWebSockets/QWebSocket>
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#include "apiclient.h"
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Q_DECLARE_LOGGING_CATEGORY(jellyfinWebSocket);
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namespace Jellyfin {
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class ApiClient;
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namespace DTO {
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class UserItemDataDto;
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using UserData = UserItemDataDto;
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}
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/**
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* @brief Keeps a connection with the Jellyfin server to receive real time updates.
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*
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* This class will parse these messages and send them to ApiClient, which will emit signals for
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* the interested classes.
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*/
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class WebSocket : public QObject {
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Q_OBJECT
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public:
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/**
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* @brief WebSocket creates a webSocket for a Jellyfin server to handle real time updates.
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* @param client The client to create the socket for.
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*
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* The socket will automatically set the ApiClient to its parent.
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*/
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explicit WebSocket(ApiClient *client);
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enum MessageType {
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/**
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* @brief Server to client: instruct client to send periodical KeepAlive messages
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*/
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ForceKeepAlive,
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/**
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* @brief Client to server: keep the connection alive
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*/
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KeepAlive,
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/**
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* @brief Server to client: user data for an item has changed.
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*/
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UserDataChanged,
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/**
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* @brief Client to server: Subscribe to playback update sessions.
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*/
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SessionsStart,
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/**
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* @brief Client to server: unsubscribe from playback session updates
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*/
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SessionsStop,
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/**
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* @brief Server to client: session information has changed
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*/
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Sessions
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};
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Q_PROPERTY(QAbstractSocket::SocketState state READ state NOTIFY stateChanged)
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Q_ENUM(MessageType)
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QAbstractSocket::SocketState state() const {
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return m_webSocket.state();
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}
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public slots:
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void open();
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void subscribeToSessionInfo();
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void unsubscribeToSessionInfo();
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private slots:
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void textMessageReceived(const QString &message);
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void onConnected();
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void onDisconnected();
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void sendKeepAlive();
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void onWebsocketStateChanged(QAbstractSocket::SocketState newState) { emit stateChanged(newState); }
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signals:
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void commandReceived(QString command, QVariantMap args);
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void stateChanged(QAbstractSocket::SocketState newState);
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protected:
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ApiClient *m_apiClient;
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QWebSocket m_webSocket;
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QTimer m_keepAliveTimer;
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QTimer m_retryTimer;
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int m_reconnectAttempt = 0;
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int m_sessionInfoSubscribeCount = 0;
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void setupKeepAlive(int data);
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void sendMessage(MessageType type, QJsonValue data = QJsonValue());
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QString generateMessageId();
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};
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}
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#endif // JELLYFIN_WEBSOCKET_H
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