RollbackStats.h

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#pragma once
#include "catapult/types.h"
#include <list>
 
namespace catapult { namespace sync {
 
    enum class RollbackCounterType {
        All,
 
        Recent,
 
        Longest
    };
 
    class RollbackStats {
    public:
        RollbackStats();
 
    public:
        uint64_t total(RollbackCounterType rollbackCounterType) const;
 
        void add(Timestamp timestamp, size_t rollbackSize);
 
        void prune(Timestamp threshold);
 
    private:
        struct RollbackStatsEntry {
            catapult::Timestamp Timestamp;
            size_t RollbackSize;
        };
 
    private:
        uint64_t m_totalRollbacks;
        std::list<RollbackStatsEntry> m_rollbackSizes;
        uint64_t m_longestRollback;
    };
}}