103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2017 Michael Zanetti <michael.zanetti@guh.io> *
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* *
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* This file is part of nymea. *
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* *
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* nymea is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, version 2 of the License. *
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* *
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* nymea 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 nymea. If not, see <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef JANUSCONNECTOR_H
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#define JANUSCONNECTOR_H
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#include <QObject>
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#include <QLocalSocket>
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#include <QTimer>
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#include <QDateTime>
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#include <QTcpServer>
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class JanusConnector : public QObject
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{
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Q_OBJECT
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public:
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class WebRtcSession {
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public:
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QString sessionId; // This should be unique but persistent for each remote device
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qint64 janusSessionId = -1; // the session id for the janus session.
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qint64 janusChannelId = -1;
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bool connectedToJanus = false;
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QVariantMap offer;
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bool offerSent = false;
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QVariantList trickles;
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QVariantMap webRtcUp;
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bool webRtcConnected = false;
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bool matchJanusSessionId(qint64 id) {
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return (janusSessionId == id) || (janusSessionId == id +1) || (janusSessionId == id -1);
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}
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};
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explicit JanusConnector(QObject *parent = nullptr);
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void sendWebRtcHandshakeMessage(const QString &sessionId, const QVariantMap &message);
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bool sendKeepAliveMessage(const QString &sessionId);
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void setTurnCredentials(const QVariantMap &turnCredentials);
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signals:
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void connected();
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void webRtcHandshakeMessageReceived(const QString &sessionId, const QVariantMap &message);
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void requestTURNCredentials();
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private slots:
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void onDisconnected();
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void onError(QLocalSocket::LocalSocketError socketError);
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void onReadyRead();
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void heartbeat();
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void processQueue();
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void newTurnServerConnection();
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private:
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QHash<QString, WebRtcSession*> m_pendingRequests;
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bool connectToJanus();
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void disconnectFromJanus();
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void createSession(WebRtcSession *session);
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void createChannel(WebRtcSession *session);
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void writeToJanus(const QByteArray &data);
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private:
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QLocalSocket *m_socket = nullptr;
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QDateTime m_lastUnconfirmedPing;
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QTimer m_pingTimer;
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QHash<QString, WebRtcSession*> m_sessions;
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QStringList m_wantedAcks;
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QTcpServer *m_turnCredentialsServer = nullptr;
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QList<QTcpSocket*> m_pendingTurnCredentialRequests;
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};
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QDebug operator<<(QDebug debug, const JanusConnector::WebRtcSession &session);
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QDebug operator<<(QDebug debug, JanusConnector::WebRtcSession *session);
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#endif // JANUSCONNECTOR_H
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