packet_list_record.h

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#ifndef PACKET_LIST_RECORD_H
#define PACKET_LIST_RECORD_H
 
#include <config.h>
 
#include <epan/cfile.h>
 
#include <epan/column.h>
#include <epan/packet.h>
 
#include <QByteArray>
#include <QCache>
#include <QList>
#include <QVariant>
 
struct conversation;
struct _GStringChunk;
 
class PacketListRecord
{
public:
    PacketListRecord(frame_data *frameData);
    virtual ~PacketListRecord();
 
    // Ensure that the record is colorized.
    void ensureColorized(capture_file *cap_file);
    // Return the string value for a column. Data is cached if possible.
    const QString columnString(capture_file *cap_file, int column, bool colorized = false);
    frame_data *frameData() const { return fdata_; }
    // packet_list->col_to_text in gtk/packet_list_store.c
    static int textColumn(int column) { return cinfo_column_.value(column, -1); }
    bool colorized() { return colorized_ && (color_ver_ == rows_color_ver_); }
    unsigned int conversation() { return conv_index_; }
 
    const GSList* matchingColorFilters() const { return color_filters_; }
    bool hasMultipleColors() const { return color_filter_count_ > 1; }
    int colorFilterCount() const { return color_filter_count_; }
 
    int columnTextSize(const char *str);
 
    void invalidateColorized() { colorized_ = false; }
    void invalidateRecord() { col_text_cache_.remove(fdata_->num); }
    static void invalidateAllRecords() { col_text_cache_.clear(); }
    /* In Qt 6, QCache maxCost is a qsizetype, but the QAbstractItemModel
     * number of rows is still an int, so we're limited to INT_MAX anyway.
     */
    static void setMaxCache(int cost) { col_text_cache_.setMaxCost(cost); }
    static void resetColumns(column_info *cinfo);
    static void resetColorization() { rows_color_ver_++; }
 
    inline int lineCount() { return lines_; }
    inline int lineCountChanged() { return line_count_changed_; }
    inline void setRow(int row) { row_ = row; }
    inline int row() const { return row_; }
    inline uint32_t expertSeverity() const { return expert_severity_; }
 
private:
    static QCache<uint32_t, QStringList> col_text_cache_;
 
    frame_data *fdata_;
    int lines_;
    bool line_count_changed_;
    static QMap<int, int> cinfo_column_;
 
    static unsigned int rows_color_ver_;
    unsigned int color_ver_;
    bool colorized_;
 
    unsigned int conv_index_;
 
    bool read_failed_;
    int row_;
    uint32_t expert_severity_;
 
    GSList *color_filters_;
    int color_filter_count_;
 
    void dissect(capture_file *cap_file, bool dissect_columns, bool dissect_color = false);
    void cacheColumnStrings(column_info *cinfo);
};
 
#endif // PACKET_LIST_RECORD_H