Files
sf_daq_buffer/sf-buffer/src/sf_live.cpp
T

111 lines
2.9 KiB
C++

#include <iostream>
#include "jungfrau.hpp"
#include "zmq.h"
#include "buffer_config.hpp"
#include <cstring>
#include "date.h"
#include "LiveH5Reader.hpp"
using namespace std;
using namespace core_buffer;
void sf_live (
void* socket,
const string& device,
const string& channel_name,
const uint16_t source_id)
{
LiveH5Reader reader(device, channel_name, source_id);
auto current_pulse_id = reader.get_latest_pulse_id();
while (true) {
reader.load_pulse_id(current_pulse_id);
auto metadata = reader.get_metadata();
zmq_send(socket,
&metadata,
sizeof(ModuleFrame),
ZMQ_SNDMORE);
auto data = reader.get_data();
zmq_send(socket,
data,
MODULE_N_BYTES,
0);
#ifdef DEBUG_OUTPUT
using namespace date;
using namespace chrono;
cout << "[" << system_clock::now() << "]";
cout << "[sf_live::sf_live]";
cout << " Sent pulse_id ";
cout << current_pulse_id << endl;
#endif
current_pulse_id++;
}
reader.close_file();
}
int main (int argc, char *argv[]) {
if (argc != 6) {
cout << endl;
cout << "Usage: sf_live [device] [channel_name] [source_id]";
cout << endl;
cout << "\tdevice: Name of detector." << endl;
cout << "\tchannel_name: M00-M31 for JF16M." << endl;
cout << "\tsource_id: Module index" << endl;
cout << endl;
exit(-1);
}
const string device = string(argv[1]);
const string channel_name = string(argv[2]);
const uint16_t source_id = (uint16_t) atoi(argv[3]);
stringstream ipc_stream;
ipc_stream << "ipc:///tmp/sf-live-" << (int)source_id;
const auto ipc_address = ipc_stream.str();
#ifdef DEBUG_OUTPUT
using namespace date;
using namespace chrono;
cout << "[" << system_clock::now() << "]";
cout << "[sf_live::main]";
cout << " device " << device;
cout << " channel_name " << channel_name;
cout << " source_id " << source_id;
cout << " start_pulse_id " << start_pulse_id;
cout << " ipc_address " << ipc_address;
cout << endl;
#endif
auto ctx = zmq_ctx_new();
auto socket = zmq_socket(ctx, ZMQ_PUSH);
const int sndhwm = REPLAY_READ_BLOCK_SIZE;
if (zmq_setsockopt(socket, ZMQ_SNDHWM, &sndhwm, sizeof(sndhwm)) != 0)
throw runtime_error(strerror (errno));
const int linger_ms = 0;
if (zmq_setsockopt(socket, ZMQ_LINGER, &linger_ms, sizeof(linger_ms)) != 0)
throw runtime_error(strerror (errno));
if (zmq_connect(socket, ipc_address.c_str()) != 0)
throw runtime_error(strerror (errno));
sf_live(socket, device, channel_name, source_id);
zmq_close(socket);
zmq_ctx_destroy(ctx);
}