Files
Jungfraujoch/writer/ZMQImagePuller.h
2024-11-26 16:04:38 +01:00

66 lines
1.9 KiB
C++

// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#ifndef JUNGFRAUJOCH_ZMQIMAGEPULLER_H
#define JUNGFRAUJOCH_ZMQIMAGEPULLER_H
#include <future>
#include "../common/ZMQWrappers.h"
#include "../common/Logger.h"
#include "../common/SpotToSave.h"
#include "../frame_serialize/CBORStream2Deserializer.h"
struct ZMQImagePullerOutput {
std::shared_ptr<ZMQMessage> msg;
std::shared_ptr<CBORStream2DeserializerOutput> cbor;
};
struct ZMQImagePullerStatistics {
size_t cbor_fifo_max_util;
size_t outside_fifo_max_util;
size_t repub_fifo_max_util;
};
class ZMQImagePuller {
const uint32_t default_receive_watermark = 100;
const uint32_t default_repub_watermark = 1000;
// ZeroMQ receive timeout allows to check for abort value from time to time
constexpr const static auto ReceiveTimeout = std::chrono::milliseconds(100);
ZMQSocket socket;
std::string addr;
volatile int abort = 0;
volatile int disconnect = 0;
std::unique_ptr<ZMQSocket> repub_socket;
ThreadSafeFIFO<ZMQImagePullerOutput> cbor_fifo{200};
ThreadSafeFIFO<ZMQImagePullerOutput> repub_fifo{200};
ThreadSafeFIFO<ZMQImagePullerOutput> outside_fifo{200};
std::thread puller_thread;
std::thread cbor_thread;
std::thread repub_thread;
void PullerThread();
void CBORThread();
void RepubThread();
Logger logger{"ZMQImagePuller"};
public:
explicit ZMQImagePuller(const std::string &repub_address = "",
const std::optional<int32_t> &rcv_watermark = {},
const std::optional<int32_t> &repub_watermark = {});
~ZMQImagePuller();
void Connect(const std::string &in_address);
void Disconnect();
void Abort();
[[nodiscard]] ZMQImagePullerOutput WaitForImage();
[[nodiscard]] ZMQImagePullerStatistics GetStatistics() const;
};
#endif //JUNGFRAUJOCH_ZMQIMAGEPULLER_H