Files
sf_daq_buffer/sf-stream/src/main.cpp
T

267 lines
8.6 KiB
C++

#include <iostream>
#include <stdexcept>
#include <string>
#include <thread>
#include <chrono>
#include <cstring>
#include <zmq.h>
#include "rapidjson/istreamwrapper.h"
#include <fstream>
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
#include "FastQueue.hpp"
#include "LiveRecvModule.hpp"
#include "buffer_config.hpp"
#include "stream_config.hpp"
using namespace std;
using namespace buffer_config;
using namespace stream_config;
int main (int argc, char *argv[])
{
if (argc != 2) {
cout << endl;
cout << "Usage: sf_stream ";
cout << " [config_json_file]";
cout << endl;
cout << "\tconfig_json_file: json file with the configuration parameters(detector name, number of modules, pedestal and gain files" << endl;
cout << endl;
exit(-1);
}
string config_json_file = string(argv[1]);
ifstream ifs(config_json_file);
rapidjson::IStreamWrapper isw(ifs);
rapidjson::Document config_parameters;
config_parameters.ParseStream(isw);
string streamvis_address = config_parameters["streamvis_stream"].GetString();
int reduction_factor_streamvis = config_parameters["streamvis_rate"].GetInt();
string live_analysis_address = config_parameters["live_stream"].GetString();
int reduction_factor_live_analysis = config_parameters["live_rate"].GetInt();
const string PEDE_FILENAME = config_parameters["pedestal_file"].GetString();
const string GAIN_FILENAME = config_parameters["gain_file"].GetString();
const string DETECTOR_NAME = config_parameters["detector_name"].GetString();
size_t n_modules = config_parameters["n_modules"].GetInt();
FastQueue<ModuleFrameBuffer> queue(
n_modules * MODULE_N_BYTES, STREAM_FASTQUEUE_SLOTS);
auto ctx = zmq_ctx_new();
zmq_ctx_set (ctx, ZMQ_IO_THREADS, STREAM_ZMQ_IO_THREADS);
const string LIVE_IPC_URL = BUFFER_LIVE_IPC_URL+DETECTOR_NAME+"-";
LiveRecvModule recv_module(queue, n_modules, ctx, LIVE_IPC_URL);
// 0mq sockets to streamvis and live analysis
void *socket_streamvis = zmq_socket(ctx, ZMQ_PUB);
if (zmq_bind(socket_streamvis, streamvis_address.c_str()) != 0) {
throw runtime_error(strerror(errno));
}
void *socket_live = zmq_socket(ctx, ZMQ_PUB);
if (zmq_bind(socket_live, live_analysis_address.c_str()) != 0) {
throw runtime_error(strerror(errno));
}
uint16_t data_empty [] = { 0, 0, 0, 0};
// TODO: Remove stats trash.
int stats_counter = 0;
size_t read_total_us = 0;
size_t read_max_us = 0;
while (true) {
rapidjson::Document header(rapidjson::kObjectType);
auto& header_alloc = header.GetAllocator();
string text_header;
auto start_time = chrono::steady_clock::now();
auto slot_id = queue.read();
if(slot_id == -1) {
this_thread::sleep_for(chrono::milliseconds(
buffer_config::RB_READ_RETRY_INTERVAL_MS));
continue;
}
auto metadata = queue.get_metadata_buffer(slot_id);
auto data = queue.get_data_buffer(slot_id);
auto read_end_time = chrono::steady_clock::now();
auto read_us_duration = chrono::duration_cast<chrono::microseconds>(
read_end_time-start_time).count();
uint64_t pulse_id = 0;
uint64_t frame_index = 0;
uint64_t daq_rec = 0;
bool is_good_frame = true;
for (size_t i_module = 0; i_module < n_modules; i_module++) {
// TODO: Place this tests in the appropriate spot.
auto& module_metadata = metadata->module[i_module];
if (i_module == 0) {
pulse_id = module_metadata.pulse_id;
frame_index = module_metadata.frame_index;
daq_rec = module_metadata.daq_rec;
if (module_metadata.n_recv_packets != 128 ) is_good_frame = false;
} else {
if (module_metadata.pulse_id != pulse_id) is_good_frame = false;
if (module_metadata.frame_index != frame_index) is_good_frame = false;
if (module_metadata.daq_rec != daq_rec) is_good_frame = false;
if (module_metadata.n_recv_packets != 128 ) is_good_frame = false;
}
}
// TODO: Here we need to send to streamvis and live analysis metadata(probably need to operate still on them) and data(not every frame)
header.AddMember("frame", frame_index, header_alloc);
header.AddMember("is_good_frame", is_good_frame, header_alloc);
header.AddMember("daq_rec", daq_rec, header_alloc);
header.AddMember("pulse_id", pulse_id, header_alloc);
rapidjson::Value pedestal_file;
pedestal_file.SetString(PEDE_FILENAME.c_str(), header_alloc);
header.AddMember("pedestal_file", pedestal_file, header_alloc);
rapidjson::Value gain_file;
gain_file.SetString(GAIN_FILENAME.c_str(), header_alloc);
header.AddMember("gain_file", gain_file, header_alloc);
header.AddMember("number_frames_expected", 10000, header_alloc);
rapidjson::Value run_name;
run_name.SetString(
to_string(uint64_t(pulse_id/10000)*10000).c_str(),
header_alloc);
header.AddMember("run_name", run_name, header_alloc);
rapidjson::Value detector_name;
detector_name.SetString(DETECTOR_NAME.c_str(), header_alloc);
header.AddMember("detector_name", detector_name, header_alloc);
header.AddMember("htype", "array-1.0", header_alloc);
header.AddMember("type", "uint16", header_alloc);
// To be retrieved and filled with correct values down.
auto shape_value = rapidjson::Value(rapidjson::kArrayType);
shape_value.PushBack((uint64_t)0, header_alloc);
shape_value.PushBack((uint64_t)0, header_alloc);
header.AddMember("shape", shape_value, header_alloc);
int send_streamvis = 0;
if ( reduction_factor_streamvis > 1 ) {
send_streamvis = rand() % reduction_factor_streamvis;
}
if ( send_streamvis == 0 ) {
auto& shape = header["shape"];
shape[0] = n_modules*512;
shape[1] = 1024;
} else{
auto& shape = header["shape"];
shape[0] = 2;
shape[1] = 2;
}
{
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
header.Accept(writer);
text_header = buffer.GetString();
}
zmq_send(socket_streamvis,
text_header.c_str(),
text_header.size(),
ZMQ_SNDMORE);
if ( send_streamvis == 0 ) {
zmq_send(socket_streamvis,
(char*)data,
buffer_config::MODULE_N_BYTES * n_modules,
0);
} else {
zmq_send(socket_streamvis,
(char*)data_empty,
8,
0);
}
//same for live analysis
int send_live_analysis = 0;
if ( reduction_factor_live_analysis > 1 ) {
send_live_analysis = rand() % reduction_factor_live_analysis;
}
if ( send_live_analysis == 0 ) {
auto& shape = header["shape"];
shape[0] = n_modules*512;
shape[1] = 1024;
} else{
auto& shape = header["shape"];
shape[0] = 2;
shape[1] = 2;
}
{
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
header.Accept(writer);
text_header = buffer.GetString();
}
zmq_send(socket_live,
text_header.c_str(),
text_header.size(),
ZMQ_SNDMORE);
if ( send_live_analysis == 0 ) {
zmq_send(socket_live,
(char*)data,
buffer_config::MODULE_N_BYTES * n_modules,
0);
} else {
zmq_send(socket_live,
(char*)data_empty,
8,
0);
}
queue.release();
// TODO: Some poor statistics.
stats_counter++;
read_total_us += read_us_duration;
if (read_us_duration > read_max_us) {
read_max_us = read_us_duration;
}
if (stats_counter == STATS_MODULO) {
cout << "sf_stream:read_us " << read_total_us / STATS_MODULO;
cout << " sf_stream:read_max_us " << read_max_us;
cout << endl;
stats_counter = 0;
read_total_us = 0;
read_max_us = 0;
}
}
}