artdaq  v3_11_01
requestReceiver.cc
1 #define TRACE_NAME "requestReceiver"
2 
3 #include <boost/program_options.hpp>
4 #include "artdaq-utilities/Plugins/MakeParameterSet.hh"
5 
6 #include "artdaq-core/Utilities/configureMessageFacility.hh"
7 #include "artdaq/Application/LoadParameterSet.hh"
8 #include "artdaq/DAQrate/RequestBuffer.hh"
9 #include "artdaq/DAQrate/detail/RequestReceiver.hh"
10 
11 int main(int argc, char* argv[])
12 {
13  artdaq::configureMessageFacility("requestReceiver");
14 
15  auto pset = LoadParameterSet<artdaq::RequestReceiver::Config>(argc, argv, "receiver", "This is a simple application which listens for Data Request messages and prints their contents");
16 
17  int rc = 0;
18 
19  fhicl::ParameterSet tempPset;
20  if (pset.has_key("daq"))
21  {
22  fhicl::ParameterSet daqPset = pset.get<fhicl::ParameterSet>("daq");
23  for (auto& name : daqPset.get_pset_names())
24  {
25  auto thisPset = daqPset.get<fhicl::ParameterSet>(name);
26  if (thisPset.has_key("receive_requests"))
27  {
28  tempPset = thisPset;
29  }
30  }
31  }
32  else if (pset.has_key("request_receiver"))
33  {
34  tempPset = pset.get<fhicl::ParameterSet>("request_receiver");
35  }
36  else
37  {
38  tempPset = pset;
39  }
40 
41  auto buffer = std::make_shared<artdaq::RequestBuffer>(tempPset.get<artdaq::Fragment::sequence_id_t>("request_increment", 1));
42  artdaq::RequestReceiver recvr(tempPset, buffer);
43  recvr.startRequestReception();
44 
45  while (true)
46  {
47  for (auto req : buffer->GetAndClearRequests())
48  {
49  TLOG(TLVL_INFO) << "Received Request for Sequence ID " << req.first << ", timestamp " << req.second;
50  }
51  usleep(10000);
52  }
53 
54  return rc;
55 }
Receive data requests and make them available to CommandableFragmentGenerator or other interested par...