Initial commit

Lts/Services/ExerciseEventManagement/web_socket_server.h

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+/**
+  * WebSocketServer to publish Events
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Ehrlicher, SLSE, 2017-02-06
+  */
+
+#pragma once
+
+#include <QMap>
+#include <QObject>
+#include <QSet>
+#include <QSqlDatabase>
+#include <QVector>
+#include <ExerciseEventManagement/eem_db_structs.h>
+#include "logger.h"
+
+class QTimer;
+class QUrl;
+class QWebSocket;
+class QWebSocketServer;
+namespace ExerciseEventManagement
+{
+class WebSocketEventServer : public QObject
+{
+  Q_OBJECT
+public:
+  WebSocketEventServer(const QSqlDatabase &db, QObject *parent = nullptr);
+  ~WebSocketEventServer();
+
+  bool listen(const QPair<quint16, quint16> &portRange);
+  bool listen(quint16 port);
+  quint16 listenPort() const;
+
+  void sendEvent(const QJsonObject &obj);
+private:
+  void onNewConnection();
+  void onSocketDisconnected();
+  void onCleanupLiveHistory();
+  void historyDataRequested(const QSqlDatabase &db, QWebSocket *ws, const QUrl &requestUrl);
+private:
+  QSet<QWebSocket *> m_liveSockets;
+  QMap<qint64, QVector<QString>> m_liveHistory;
+  QWebSocketServer *m_wsServer;
+  QTimer *m_cleanupTimer;
+  QSqlDatabase m_db;
+  NGL::INGLLogger &m_logger;
+};
+} // namespace ExerciseEventManagement