49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#ifndef JFJOCH_IMAGEPULLER_H
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#define JFJOCH_IMAGEPULLER_H
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#include <string>
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#include <memory>
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#include "../common/ZMQWrappers.h"
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#include "../frame_serialize/CBORStream2Deserializer.h"
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#include "../common/ThreadSafeFIFO.h"
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#include "../common/JfjochTCP.h"
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struct RawFrame {
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TcpFrameHeader header{};
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std::vector<uint8_t> payload;
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bool end = false;
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};
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struct ImagePullerOutput {
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std::shared_ptr<ZMQMessage> zmq_msg;
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std::shared_ptr<RawFrame> tcp_msg;
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std::shared_ptr<CBORStream2DeserializerOutput> cbor;
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};
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struct ImagePullerStatistics {
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size_t outside_fifo_max_util = 0;
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};
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class ImagePuller {
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protected:
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ThreadSafeFIFO<ImagePullerOutput> outside_fifo; // assuming 1 file is <1000 files, this should be enough to buffer
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public:
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constexpr static size_t DefaultQueueSize = 1000;
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constexpr static auto PollTimeout = std::chrono::milliseconds(100);
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explicit ImagePuller(size_t fifo_size = DefaultQueueSize);
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virtual ~ImagePuller() = default;
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[[nodiscard]] std::optional<ImagePullerOutput> PollImage(std::chrono::microseconds timeout = PollTimeout);
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[[nodiscard]] size_t GetMaxFifoUtilization() const;
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[[nodiscard]] size_t GetCurrentFifoUtilization() const;
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virtual void Disconnect() = 0;
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};
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#endif //JFJOCH_IMAGEPULLER_H
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