tcp_dedup_dialog.h

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#ifndef TCP_DEDUP_DIALOG_H
#define TCP_DEDUP_DIALOG_H
 
#include <config.h>
 
#include <stdint.h>
 
#include <epan/tap.h>
#include <wsutil/nstime.h>
 
#include <QDialogButtonBox>
#include <QLineEdit>
#include <QList>
#include <QMap>
#include <QSet>
#include <QString>
#include <QTableWidget>
 
#include "capture_file.h"
#include "wireshark_dialog.h"
 
struct _packet_info;
struct epan_dissect;
 
class TcpDedupDialog : public WiresharkDialog
{
    Q_OBJECT
 
public:
    explicit TcpDedupDialog(QWidget &parent, CaptureFile &cf);
    ~TcpDedupDialog();
 
signals:
    void goToPacket(int packet_num);
 
private:
    struct DedupGroup {
        nstime_t        first_abs_ts  = {0, 0}; /* abs_ts of first occurrence */
        double          delta_secs    = -1.0;    /* secs since previous stream pkt; -1 = first */
        uint32_t        orig_frame    = 0;
        uint32_t        max_count     = 0;
        QString         info;                    /* Info column text from first occurrence */
        QList<uint32_t> frames;
    };
 
    uint32_t                    stream_;
    QMap<uint32_t, DedupGroup>  groups_;
    nstime_t                    prev_stream_ts_; /* abs_ts of last-seen stream packet */
    bool                        first_stream_pkt_;
    QTableWidget               *table_;
    QDialogButtonBox           *button_box_;
    QLineEdit                  *stream_edit_;
 
    static void              tapReset(void *tapdata);
    static tap_packet_status tapPacket(void *tapdata, struct _packet_info *pinfo,
                                       struct epan_dissect *edt, const void *data,
                                       tap_flags_t flags);
    static void              tapDraw(void *tapdata);
 
    void populateTable();
 
    /* Live-instance registry: tap callbacks check membership before
     * dereferencing tapdata, so a stale listener firing on a destroyed
     * dialog becomes a silent no-op instead of a UAF crash. */
    static QSet<TcpDedupDialog *> live_instances_;
};
 
#endif // TCP_DEDUP_DIALOG_H