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Jungfraujoch/image_pusher/HDF5FilePusher.h
2025-07-16 20:19:48 +02:00

42 lines
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C++

// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#ifndef JFJOCH_HDF5FILEPUSHER_H
#define JFJOCH_HDF5FILEPUSHER_H
#include <future>
#include "ImagePusher.h"
#include "../writer/FileWriter.h"
#include "../common/ThreadSafeFIFO.h"
struct HDF5FilePusherQueueElement {
const uint8_t *image_data;
size_t image_size;
int64_t image_number;
ZeroCopyReturnValue *z;
bool end;
};
class HDF5FilePusher : public ImagePusher {
std::unique_ptr<FileWriter> writer;
std::mutex m;
std::future<void> writer_future;
ThreadSafeFIFO<HDF5FilePusherQueueElement> writer_queue;
public:
// Thread safety: StartDataCollection, EndDataCollection and SendCalibration must run poorly in serial context
// SendImage can be executed in parallel
void StartDataCollection(StartMessage &message) override;
bool EndDataCollection(const EndMessage &message) override;
bool SendImage(const uint8_t *image_data, size_t image_size, int64_t image_number) override;
void SendImage(ZeroCopyReturnValue &z) override;
bool SendCalibration(const CompressedImage &message) override;
void WriterThread();
std::string PrintSetup() const override;
};
#endif //JFJOCH_HDF5FILEPUSHER_H