gSROData.h

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#pragma once
 
#include <chrono>
#include <cstddef>
#include <cstdint>
#include <functional>
#include <memory>
#include <optional>

 
using GSROCrateId = std::uint32_t;
using GSROEventId = std::uint64_t;
using GSROTime = std::chrono::duration<std::int64_t, std::nano>;

class GSROData
{
public:
    virtual ~GSROData() = default;

    [[nodiscard]] virtual std::size_t size_bytes() const noexcept = 0;
};

struct GSROEventContext {
    int run_id;
    GSROEventId event_id;
};

using GSROEmit = std::function<void(GSROCrateId, GSROTime, std::unique_ptr<const GSROData>)>;

struct GSROPayload
{
    GSROCrateId crate_id;
    GSROEventId event_id;
    std::uint64_t sequence;
    GSROTime time;
    std::unique_ptr<const GSROData> data;
};

struct GSROFrame
{
    GSROCrateId crate_id;
    std::uint64_t frame_id;
    GSROTime begin;
    GSROTime end;
    std::unique_ptr<const GSROData> data;
};
 
enum class GSROEndReason { completed, interrupted };

struct GSROEndContext
{
    GSROEndReason reason;
    std::optional<GSROTime> safe_time;
};