5 #include "artdaq-demo/Generators/ToySimulator.hh"
7 #include "canvas/Utilities/Exception.h"
9 #include "artdaq-core/Utilities/SimpleLookupPolicy.hh"
10 #include "artdaq/Generators/GeneratorMacros.hh"
12 #include "artdaq-core-demo/Overlays/FragmentType.hh"
13 #include "artdaq-core-demo/Overlays/ToyFragment.hh"
15 #include "fhiclcpp/ParameterSet.h"
23 #define TRACE_NAME "ToySimulator"
24 #include "cetlib_except/exception.h"
28 : CommandableFragmentGenerator(ps)
31 , timestampScale_(ps.get<int>(
"timestamp_scale_factor", 1))
32 , rollover_subrun_interval_(ps.get<int>(
"rollover_subrun_interval", 0))
33 , metadata_({0, 0, 0})
34 , readout_buffer_(
nullptr)
35 , fragment_type_(
static_cast<decltype(fragment_type_)
>(artdaq::Fragment::InvalidFragmentType))
36 , distribution_type_(static_cast<ToyHardwareInterface::DistributionType>(ps.get<
int>(
"distribution_type")))
37 , generated_fragments_per_event_(ps.get<
int>(
"generated_fragments_per_event", 1))
38 , exception_on_config_(ps.get<
bool>(
"exception_on_config",
false))
39 , dies_on_config_(ps.get<
bool>(
"dies_on_config",
false))
42 hardware_interface_->AllocateReadoutBuffer(&readout_buffer_);
44 if (exception_on_config_)
46 throw cet::exception(
"ToySimulator") <<
"This is an engineered exception designed for testing purposes, set "
47 "by the exception_on_config FHiCL variable";
49 else if (dies_on_config_)
51 TLOG(TLVL_ERROR) <<
"This is an engineered process death, set by the dies_on_config FHiCL variable";
55 metadata_.board_serial_number = hardware_interface_->SerialNumber() & 0xFFFF;
56 metadata_.num_adc_bits = hardware_interface_->NumADCBits();
57 TLOG(TLVL_INFO) <<
"Constructor: metadata_.unused = 0x" << std::hex << metadata_.unused
58 <<
" sizeof(metadata_) = " << std::dec <<
sizeof(metadata_);
60 switch (hardware_interface_->BoardType())
63 fragment_type_ = toFragmentType(
"TOY1");
66 fragment_type_ = toFragmentType(
"TOY2");
69 throw cet::exception(
"ToySimulator") <<
"Unable to determine board type supplied by hardware";
75 bool demo::ToySimulator::getNext_(artdaq::FragmentPtrs& frags)
77 if (should_stop()) {
return false; }
90 std::size_t bytes_read = 0;
91 hardware_interface_->FillBuffer(readout_buffer_, &bytes_read);
101 for (
auto&
id : fragmentIDs())
108 std::unique_ptr<artdaq::Fragment> fragptr(
109 artdaq::Fragment::FragmentBytes(bytes_read, ev_counter(),
id, fragment_type_, metadata_, timestamp_));
110 frags.emplace_back(std::move(fragptr));
113 memcpy(frags.back()->dataBeginBytes(), readout_buffer_, bytes_read);
117 memcpy(frags.back()->dataBeginBytes(), readout_buffer_,
sizeof(ToyFragment::Header));
120 TLOG(50) <<
"getNext_ after memcpy " << bytes_read
121 <<
" bytes and std::move dataSizeBytes()=" << frags.back()->sizeBytes()
122 <<
" metabytes=" <<
sizeof(metadata_);
125 if (metricMan !=
nullptr)
126 { metricMan->sendMetric(
"Fragments Sent", ev_counter(),
"Events", 3, artdaq::MetricMode::LastPoint); }
128 if (rollover_subrun_interval_ > 0 && ev_counter() % rollover_subrun_interval_ == 0 && fragment_id() == 0)
130 bool fragmentIdZero =
false;
131 for (
auto&
id : fragmentIDs())
133 if (
id == 0) fragmentIdZero =
true;
137 artdaq::FragmentPtr endOfSubrunFrag(
new artdaq::Fragment(static_cast<size_t>(
138 ceil(
sizeof(my_rank) / static_cast<double>(
sizeof(artdaq::Fragment::value_type))))));
139 endOfSubrunFrag->setSystemType(artdaq::Fragment::EndOfSubrunFragmentType);
141 endOfSubrunFrag->setSequenceID(ev_counter() + 1);
142 endOfSubrunFrag->setTimestamp(1 + (ev_counter() / rollover_subrun_interval_));
144 *endOfSubrunFrag->dataBegin() = my_rank;
145 frags.emplace_back(std::move(endOfSubrunFrag));
150 timestamp_ += timestampScale_;
155 void demo::ToySimulator::start()
157 hardware_interface_->StartDatataking();
161 void demo::ToySimulator::stop() { hardware_interface_->StopDatataking(); }
A use-after-free expliot distribution.
ToySimulator(fhicl::ParameterSet const &ps)
ToySimulator Constructor.
JCF, Mar-17-2016: ToyHardwareInterface is meant to mimic a vendor-provided hardware API...
virtual ~ToySimulator()
Shutdown the ToySimulator.
ToySimulator is a simple type of fragment generator intended to be studied by new users of artdaq as ...