Files
sf_daq_buffer/sf-buffer/src/sf_buffer.cpp
T
2020-04-19 19:46:11 +02:00

99 lines
2.9 KiB
C++

#include <iostream>
#include <stdexcept>
#include <RingBuffer.hpp>
#include <UdpRecvModule.hpp>
#include <FastH5Writer.hpp>
#include "config.hpp"
#include "jungfrau.hpp"
#include "BufferUtils.hpp"
using namespace std;
int main (int argc, char *argv[]) {
if (argc != 4) {
cout << endl;
cout << "Usage: sf_buffer [device_name] [udp_port] [root_folder]";
cout << endl;
cout << "\tdevice_name: Name to write to disk.";
cout << "\tudp_port: UDP port to connect to." << endl;
cout << "\troot_folder: FS root folder." << endl;
cout << endl;
exit(-1);
}
string device_name = string(argv[1]);
int udp_port = atoi(argv[2]);
string root_folder = string(argv[3]);
RingBuffer<UdpFrameMetadata> ring_buffer(config::ring_buffer_n_slots);
UdpRecvModule udp_module(ring_buffer);
udp_module.start_recv(udp_port, JUNGFRAU_DATA_BYTES_PER_FRAME);
string current_file("");
uint64_t n_stat_out(0);
uint64_t n_frames_with_missing_packets = 0;
uint64_t n_missed_frames = 0;
uint64_t last_pulse_id = 0;
FastH5Writer writer(
BufferUtils::FILE_MOD, 512, 1024, device_name, root_folder);
writer.add_scalar_metadata<uint64_t>("pulse_id");
writer.add_scalar_metadata<uint64_t>("frame_id");
writer.add_scalar_metadata<uint32_t>("daq_rec");
writer.add_scalar_metadata<uint16_t>("received_packets");
while (true) {
auto data = ring_buffer.read();
if (data.first == nullptr) {
this_thread::sleep_for(chrono::milliseconds(10));
continue;
}
auto pulse_id = data.first->pulse_id;
writer.set_pulse_id(pulse_id);
writer.write_data(data.second);
writer.write_metadata("pulse_id", data.first->pulse_id);
writer.write_metadata("frame_id", data.first->frame_index);
writer.write_metadata("daq_rec", data.first->daq_rec);
writer.write_metadata(
"received_packets", data.first->n_recv_packets);
ring_buffer.release(data.first->buffer_slot_index);
// TODO: Make real statistics, please.
n_stat_out++;
if (data.first->n_recv_packets < JUNGFRAU_N_PACKETS_PER_FRAME) {
// TODO: Why not print the actual number of lost packets?!
n_frames_with_missing_packets++;
}
if (last_pulse_id>0) {
n_missed_frames += (pulse_id - last_pulse_id) - 1;
}
last_pulse_id = pulse_id;
if (n_stat_out == 500) {
cout << "device_name " << device_name;
cout << " pulse_id " << pulse_id;
cout << " n_missed_frames " << n_missed_frames;
cout << " f_with_miss_p " << n_frames_with_missing_packets;
cout << endl;
n_stat_out = 0;
n_frames_with_missing_packets = 0;
n_missed_frames = 0;
}
}
}