chatserver.h Example File

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#ifndef CHATSERVER_H #define CHATSERVER_H #include <QObject> #include <QStringList> class QTimer; class ChatServer : public QObject { Q_OBJECT Q_PROPERTY(QStringList userList READ userList NOTIFY userListChanged) public: explicit ChatServer(QObject *parent = nullptr); virtual ~ChatServer(); public: //a user logs in with the given username Q_INVOKABLE bool login(const QString &userName); //the user logs out, will be removed from userlist immediately Q_INVOKABLE bool logout(const QString &userName); //a user sends a message to all other users Q_INVOKABLE bool sendMessage(const QString &user, const QString &msg); //response of the keep alive signal from a client. // This is used to detect disconnects. Q_INVOKABLE void keepAliveResponse(const QString &user); QStringList userList() const; protected slots: void sendKeepAlive(); void checkKeepAliveResponses(); signals: void newMessage(QString time, QString user, QString msg); void keepAlive(); void userListChanged(); void userCountChanged(); private: QStringList m_userList; QStringList m_stillAliveUsers; QTimer *m_keepAliveCheckTimer; }; #endif // CHATSERVER_H

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