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https://github.com/paulscherrerinstitute/sf_daq_buffer.git
synced 2026-05-13 02:55:35 +02:00
125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
#include <iostream>
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#include <stdexcept>
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#include <H5Writer.hpp>
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#include <BufferUtils.hpp>
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#include <RingBuffer.hpp>
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#include "BufferMultiReader.hpp"
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#include <thread>
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#include "config.hpp"
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#include "SfFormat.cpp"
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using namespace std;
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int main (int argc, char *argv[])
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{
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if (argc != 5) {
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cout << endl;
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cout << "Usage: sf_h5_writer [root_folder]";
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cout << " [output_file] [start_pulse_id] [stop_pulse_id]";
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cout << endl;
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cout << "\troot_folder: Base of the buffer." << endl;
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cout << "\toutput_file: Complete path to the output file." << endl;
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cout << "\tstart_pulse_id: Start pulse_id of retrieval." << endl;
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cout << "\tstop_pulse_id: Stop pulse_id of retrieval." << endl;
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cout << endl;
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exit(-1);
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}
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string root_folder = string(argv[1]);
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string output_file = string(argv[2]);
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uint64_t start_pulse_id = (uint64_t) atoll(argv[3]);
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uint64_t stop_pulse_id = (uint64_t) atoll(argv[4]);
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size_t n_modules = 32;
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RingBuffer<FileBufferMetadata> ring_buffer(3);
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ring_buffer.initialize(BufferUtils::FILE_MOD * 2 * 512 *1024);
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auto path_suffixes = BufferUtils::get_path_suffixes(
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start_pulse_id, stop_pulse_id);
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size_t n_reads = path_suffixes.size() * n_modules;
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auto read_buffer = [=, &ring_buffer]() {
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for (size_t i_module=0; i_module<n_modules; i_module++) {
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// TODO: This is ugly. Remove it.
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stringstream name;
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name << "M";
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if (i_module < 10) name << "0";
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name << (int) i_module;
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string device_name = name.str();
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for (const auto& suffix:path_suffixes) {
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auto file_metadata = make_shared<FileBufferMetadata>();
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file_metadata->module_id = i_module;
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file_metadata->start_pulse_id = suffix.start_pulse_id;
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file_metadata->stop_pulse_id = suffix.stop_pulse_id;
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char* buffer = ring_buffer.reserve(file_metadata);
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while (buffer == nullptr) {
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this_thread::sleep_for(chrono::milliseconds(10));
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buffer = ring_buffer.reserve(file_metadata);
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}
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string filename =
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root_folder + "/" +
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device_name + "/" +
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suffix.path;
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cout << "Reading file " << filename << endl;
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H5::H5File input_file(filename, H5F_ACC_RDONLY);
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auto image_dataset = input_file.openDataSet("image");
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image_dataset.read(
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buffer, H5::PredType::NATIVE_UINT16);
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auto pulse_id_dataset = input_file.openDataSet("pulse_id");
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pulse_id_dataset.read(
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file_metadata->pulse_id, H5::PredType::NATIVE_UINT64);
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auto frame_id_dataset = input_file.openDataSet("frame_id");
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frame_id_dataset.read(
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file_metadata->frame_index, H5::PredType::NATIVE_UINT64);
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auto daq_rec_dataset = input_file.openDataSet("daq_rec");
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daq_rec_dataset.read(
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file_metadata->daq_rec, H5::PredType::NATIVE_UINT32);
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auto received_packets_dataset =
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input_file.openDataSet("received_packets");
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received_packets_dataset.read(
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file_metadata->n_received_packets,
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H5::PredType::NATIVE_UINT16);
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input_file.close();
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ring_buffer.commit(file_metadata);
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}
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}
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};
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auto read_thread = thread(read_buffer);
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for (size_t i_read=0; i_read<n_reads; i_read++) {
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auto data = ring_buffer.read();
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while (data.first == nullptr) {
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this_thread::sleep_for(chrono::milliseconds(10));
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data = ring_buffer.read();
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}
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// TODO: Have data, write it down.
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cout << "Got from " << data.first->start_pulse_id;
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cout << " to " << data.first->stop_pulse_id << endl;
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ring_buffer.release(data.first->buffer_slot_index);
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}
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read_thread.join();
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return 0;
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}
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