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https://github.com/paulscherrerinstitute/sf_daq_buffer.git
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40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
#ifndef SF_DAQ_BUFFER_RAMBUFFER_HPP
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#define SF_DAQ_BUFFER_RAMBUFFER_HPP
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#include <string>
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#include "formats.hpp"
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class RamBuffer {
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const std::string detector_name_;
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const int n_modules_;
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const int n_slots_;
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const size_t meta_bytes_;
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const size_t image_bytes_;
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const size_t buffer_bytes_;
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int shm_fd_;
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void* buffer_;
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ModuleFrame* meta_buffer_;
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char* image_buffer_;
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public:
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RamBuffer(const std::string& detector_name,
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const int n_modules,
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const int n_slots=buffer_config::RAM_BUFFER_N_SLOTS);
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~RamBuffer();
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void write_frame(const ModuleFrame &src_meta, const char *src_data) const;
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void read_frame(const uint64_t pulse_id,
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const uint64_t module_id,
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ModuleFrame &meta,
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char *data) const;
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char* read_image(const uint64_t pulse_id) const;
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void assemble_image(
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const uint64_t pulse_id, ImageMetadata &image_meta) const;
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};
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#endif //SF_DAQ_BUFFER_RAMBUFFER_HPP
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