#ifndef NETLINKHANDLER_H
#define NETLINKHANDLER_H

#include <QObject>
#include <QSocketNotifier>
#include <QByteArray>
#include "log.h"

class NetlinkHandler : public QObject
{
    Q_OBJECT
public:
    explicit NetlinkHandler(QObject *parent = nullptr);
    ~NetlinkHandler();

    bool init(int protocol = 16); // 默认为 NETLINK_USERSOCK
    bool sendMessage(const QByteArray &msg);
    int socketFd() const { return m_sock; }

signals:
    void messageReceived(const QByteArray &msg);
    void errorOccurred(const QString &err);

private slots:
    void onSocketReadyRead();

private:
    int m_sock = -1;
    QSocketNotifier *m_notifier = nullptr;

    bool createSocket(int protocol);
    void closeSocket();
};

#endif // NETLINKHANDLER_H