Files
sf_daq_buffer/sf-writer/src/JFH5Writer.cpp
T
2020-06-19 13:36:44 +02:00

265 lines
8.0 KiB
C++

#include "JFH5Writer.hpp"
#include <sstream>
#include <cstring>
#include <hdf5_hl.h>
#include "writer_config.hpp"
#include "buffer_config.hpp"
//extern "C"
//{
// #include "H5DOpublic.h"
// #include <bitshuffle/bshuf_h5filter.h>
//}
using namespace std;
using namespace writer_config;
using namespace buffer_config;
JFH5Writer::JFH5Writer(const string& output_file,
const string& detector_name,
const size_t n_modules,
const uint64_t start_pulse_id,
const uint64_t stop_pulse_id,
const int pulse_id_step) :
detector_name_(detector_name),
n_modules_(n_modules),
start_pulse_id_(start_pulse_id),
stop_pulse_id_(stop_pulse_id),
pulse_id_step_(pulse_id_step),
n_images_(get_n_pulses_in_range(start_pulse_id,
stop_pulse_id,
pulse_id_step)),
n_total_pulses_(stop_pulse_id_ - start_pulse_id_ + 1),
meta_write_index_(0),
data_write_index_(0)
{
// bshuf_register_h5filter();
file_ = H5::H5File(output_file, H5F_ACC_TRUNC);
hsize_t image_dataset_dims[3] =
{n_images_, n_modules * MODULE_Y_SIZE, MODULE_X_SIZE};
H5::DataSpace image_dataspace(3, image_dataset_dims);
// auto chunk_size = min(n_images_, BUFFER_BLOCK_SIZE);
// hsize_t image_dataset_chunking[3] =
// {chunk_size, n_modules * MODULE_Y_SIZE, MODULE_X_SIZE};
// H5::DSetCreatPropList image_dataset_properties;
// image_dataset_properties.setChunk(3, image_dataset_chunking);
// // block_size, compression type
// uint compression_prop[] =
// {MODULE_N_PIXELS, //block size
// BSHUF_H5_COMPRESS_LZ4}; // Compression type
//
// H5Pset_filter(image_dataset_properties.getId(),
// BSHUF_H5FILTER,
// H5Z_FLAG_MANDATORY,
// 2,
// &(compression_prop[0]));
file_.createGroup("/data");
file_.createGroup("/data/" + detector_name_);
image_dataset_ = file_.createDataSet(
"/data/" + detector_name_ + "/data",
H5::PredType::NATIVE_UINT16,
image_dataspace);
b_pulse_id_ = new uint64_t[n_total_pulses_];
b_frame_index_= new uint64_t[n_total_pulses_];
b_daq_rec_ = new uint32_t[n_total_pulses_];
b_is_good_frame_ = new uint8_t[n_total_pulses_];
}
JFH5Writer::~JFH5Writer()
{
close_file();
delete[] b_pulse_id_;
delete[] b_frame_index_;
delete[] b_daq_rec_;
delete[] b_is_good_frame_;
}
size_t JFH5Writer::get_n_pulses_in_range(
const uint64_t start_pulse_id,
const uint64_t stop_pulse_id,
const int pulse_id_step)
{
if (stop_pulse_id < start_pulse_id) {
throw runtime_error("stop_pulse_id smaller than start_pulse_id.");
}
if (100 % pulse_id_step != 0) {
throw runtime_error("100 is not divisible by the pulse_id_step.");
}
if (start_pulse_id % pulse_id_step != 0) {
throw runtime_error("start_pulse_id not divisible by pulse_id_step.");
}
if (stop_pulse_id % pulse_id_step != 0) {
throw runtime_error("stop_pulse_id not divisible by pulse_id_step.");
}
size_t n_pulses = 1;
n_pulses += (stop_pulse_id / pulse_id_step);
n_pulses -= start_pulse_id / pulse_id_step;
if (n_pulses == 0) {
throw runtime_error("Zero pulses to write in given range.");
}
return n_pulses;
}
void JFH5Writer::write_metadata()
{
hsize_t b_m_dims[2] = {n_images_, 1};
H5::DataSpace b_m_space (2, b_m_dims);
hsize_t f_m_dims[] = {n_images_, 1};
H5::DataSpace f_m_space(2, f_m_dims);
// TODO: Setup block and stride.
auto pulse_id_dataset = file_.createDataSet(
"/data/" + detector_name_ + "/pulse_id",
H5::PredType::NATIVE_UINT64, f_m_space);
pulse_id_dataset.write(
b_pulse_id_, H5::PredType::NATIVE_UINT64, b_m_space, f_m_space);
pulse_id_dataset.close();
auto frame_index_dataset = file_.createDataSet(
"/data/" + detector_name_ + "/frame_index",
H5::PredType::NATIVE_UINT64, f_m_space);
frame_index_dataset.write(
b_frame_index_, H5::PredType::NATIVE_UINT64, b_m_space, f_m_space);
frame_index_dataset.close();
auto daq_rec_dataset = file_.createDataSet(
"/data/" + detector_name_ + "/daq_rec",
H5::PredType::NATIVE_UINT32, f_m_space);
daq_rec_dataset.write(
b_daq_rec_, H5::PredType::NATIVE_UINT32, b_m_space, f_m_space);
daq_rec_dataset.close();
auto is_good_frame_dataset = file_.createDataSet(
"/data/" + detector_name_ + "/is_good_frame",
H5::PredType::NATIVE_UINT8, f_m_space);
is_good_frame_dataset.write(
b_is_good_frame_, H5::PredType::NATIVE_UINT8, b_m_space, f_m_space);
is_good_frame_dataset.close();
}
void JFH5Writer::close_file()
{
if (file_.getId() == -1) {
return;
}
image_dataset_.close();
write_metadata();
file_.close();
}
void JFH5Writer::write(
const ImageMetadataBlock* metadata, const char* data)
{
size_t n_images_offset = 0;
if (start_pulse_id_ > metadata->block_start_pulse_id) {
n_images_offset = start_pulse_id_ - metadata->block_start_pulse_id;
}
if (n_images_offset > BUFFER_BLOCK_SIZE) {
throw runtime_error("Received unexpected block for start_pulse_id.");
}
size_t n_images_to_copy = BUFFER_BLOCK_SIZE - n_images_offset;
if (stop_pulse_id_ < metadata->block_stop_pulse_id) {
n_images_to_copy -= metadata->block_stop_pulse_id - stop_pulse_id_;
}
if (n_images_to_copy < 1) {
throw runtime_error("Received unexpected block for stop_pulse_id.");
}
hsize_t b_i_dims[3] = {BUFFER_BLOCK_SIZE,
MODULE_Y_SIZE * n_modules_,
MODULE_X_SIZE};
H5::DataSpace b_i_space(3, b_i_dims);
hsize_t b_i_count[] = {n_images_to_copy,
MODULE_Y_SIZE * n_modules_,
MODULE_X_SIZE};
hsize_t b_i_start[] = {n_images_offset, 0, 0};
b_i_space.selectHyperslab(H5S_SELECT_SET, b_i_count, b_i_start);
hsize_t f_i_dims[3] = {n_images_,
MODULE_Y_SIZE * n_modules_,
MODULE_X_SIZE};
H5::DataSpace f_i_space(3, f_i_dims);
hsize_t f_i_count[] = {n_images_to_copy,
MODULE_Y_SIZE * n_modules_,
MODULE_X_SIZE};
hsize_t f_i_start[] = {data_write_index_, 0, 0};
f_i_space.selectHyperslab(H5S_SELECT_SET, f_i_count, f_i_start);
image_dataset_.write(
data, H5::PredType::NATIVE_UINT16, b_i_space, f_i_space);
// TODO: Can the i_image++ be made more efficient?
for (size_t i_image=n_images_offset;
i_image < n_images_offset + n_images_to_copy;
i_image++) {
if (i_image % pulse_id_step_ != 0) {
continue;
}
// TODO: Write block.
data_write_index_++;
}
// pulse_id
{
auto b_current_ptr = b_pulse_id_ + meta_write_index_;
memcpy(b_current_ptr,
&(metadata->pulse_id[n_images_offset]),
sizeof(uint64_t) * n_images_to_copy);
}
// frame_index
{
auto b_current_ptr = b_frame_index_ + meta_write_index_;
memcpy(b_current_ptr,
&(metadata->frame_index[n_images_offset]),
sizeof(uint64_t) * n_images_to_copy);
}
// daq_rec
{
auto b_current_ptr = b_daq_rec_ + meta_write_index_;
memcpy(b_current_ptr,
&(metadata->daq_rec[n_images_offset]),
sizeof(uint32_t) * n_images_to_copy);
}
// is_good_frame
{
auto b_current_ptr = b_is_good_frame_ + meta_write_index_;
memcpy(b_current_ptr,
&(metadata->is_good_image[n_images_offset]),
sizeof(uint8_t) * n_images_to_copy);
}
meta_write_index_ += n_images_to_copy;
}