3 #define TRACE_NAME "DataReceiverManager"
4 #include "artdaq/DAQdata/Globals.hh"
5 #include "artdaq/DAQrate/DataReceiverManager.hh"
6 #include "artdaq/TransferPlugins/MakeTransferPlugin.hh"
7 #include "artdaq/TransferPlugins/detail/HostMap.hh"
8 #include "cetlib_except/exception.h"
12 : stop_requested_(false)
13 , stop_requested_time_(0)
21 , receive_timeout_(pset.get<size_t>(
"receive_timeout_usec", 100000))
22 , stop_timeout_ms_(pset.get<size_t>(
"stop_timeout_ms", 1500))
24 , non_reliable_mode_enabled_(pset.get<bool>(
"non_reliable_mode", false))
25 , non_reliable_mode_retry_count_(pset.get<size_t>(
"non_reliable_mode_retry_count", -1))
27 TLOG(TLVL_DEBUG) <<
"Constructor";
28 auto enabled_srcs = pset.get<std::vector<int>>(
"enabled_sources", std::vector<int>());
29 auto enabled_srcs_empty = enabled_srcs.size() == 0;
31 if (non_reliable_mode_enabled_)
33 TLOG(TLVL_WARNING) <<
"DataReceiverManager is configured to drop data after " << std::to_string(non_reliable_mode_retry_count_)
34 <<
" failed attempts to put data into the SharedMemoryEventManager! If this is unexpected, please check your configuration!";
37 if (enabled_srcs_empty)
39 TLOG(TLVL_INFO) <<
"enabled_sources not specified, assuming all sources enabled.";
43 for (
auto& s : enabled_srcs)
45 enabled_sources_.insert(s);
49 hostMap_t host_map = MakeHostMap(pset);
50 auto srcs = pset.get<fhicl::ParameterSet>(
"sources", fhicl::ParameterSet());
51 for (
auto& s : srcs.get_pset_names())
53 auto src_pset = srcs.get<fhicl::ParameterSet>(s);
54 host_map = MakeHostMap(src_pset, 0, host_map);
56 auto host_map_pset = MakeHostMapPset(host_map);
57 fhicl::ParameterSet srcs_mod;
58 for (
auto& s : srcs.get_pset_names())
60 auto src_pset = srcs.get<fhicl::ParameterSet>(s);
61 src_pset.erase(
"host_map");
62 src_pset.put<std::vector<fhicl::ParameterSet>>(
"host_map", host_map_pset);
63 srcs_mod.put<fhicl::ParameterSet>(s, src_pset);
66 for (
auto& s : srcs_mod.get_pset_names())
72 auto source_rank = transfer->source_rank();
73 if (enabled_srcs_empty) enabled_sources_.insert(source_rank);
74 source_plugins_[source_rank] = std::move(transfer);
76 catch (cet::exception ex)
78 TLOG(TLVL_WARNING) <<
"cet::exception caught while setting up source " << s <<
": " << ex.what();
80 catch (std::exception ex)
82 TLOG(TLVL_WARNING) <<
"std::exception caught while setting up source " << s <<
": " << ex.what();
86 TLOG(TLVL_WARNING) <<
"Non-cet exception caught while setting up source " << s <<
".";
89 if (srcs.get_pset_names().size() == 0)
91 TLOG(TLVL_ERROR) <<
"No sources configured!";
97 TLOG(TLVL_TRACE) <<
"~DataReceiverManager: BEGIN";
100 TLOG(TLVL_TRACE) <<
"Destructor END";
106 stop_requested_ =
false;
108 for (
auto& source : source_plugins_)
110 auto& rank = source.first;
111 if (enabled_sources_.count(rank))
113 running_sources_.insert(rank);
114 boost::thread::attributes attrs;
115 attrs.set_stack_size(4096 * 500);
116 source_threads_[rank] = boost::thread(attrs, boost::bind(&DataReceiverManager::runReceiver_,
this, rank));
123 TLOG(TLVL_TRACE) <<
"stop_threads: BEGIN: Setting stop_requested to true, frags=" << std::to_string(count()) <<
", bytes=" << std::to_string(byteCount());
125 stop_requested_time_ = TimeUtils::gettimeofday_us();
126 stop_requested_ =
true;
128 TLOG(TLVL_TRACE) <<
"stop_threads: Joining all threads";
129 for (
auto& s : source_threads_)
131 auto& thread = s.second;
132 if (thread.joinable()) thread.join();
136 void artdaq::DataReceiverManager::runReceiver_(
int source_rank)
138 std::chrono::steady_clock::time_point start_time, after_header, before_body;
140 double delta_t, hdr_delta_t, store_delta_t, data_delta_t;
141 detail::RawFragmentHeader header;
142 size_t endOfDataCount = -1;
143 auto sleep_time = receive_timeout_ / 100 > 100000 ? 100000 : receive_timeout_ / 100;
144 auto max_retries = non_reliable_mode_retry_count_ * ceil(receive_timeout_ / sleep_time);
146 while (!(stop_requested_ && TimeUtils::gettimeofday_us() - stop_requested_time_ > stop_timeout_ms_ * 1000) && enabled_sources_.count(source_rank))
148 TLOG(16) <<
"runReceiver_: Begin loop";
149 if (stop_requested_) { receive_timeout_ = stop_timeout_ms_; }
152 if (endOfDataCount <= recv_frag_count_.slotCount(source_rank) && !source_plugins_[source_rank]->isRunning())
154 TLOG(TLVL_DEBUG) <<
"runReceiver_: End of Data conditions met, ending runReceiver loop";
155 running_sources_.erase(source_rank);
159 start_time = std::chrono::steady_clock::now();
161 TLOG(16) <<
"runReceiver_: Calling receiveFragmentHeader";
162 ret = source_plugins_[source_rank]->receiveFragmentHeader(header, receive_timeout_);
163 TLOG(16) <<
"runReceiver_: Done with receiveFragmentHeader, ret=" << ret <<
" (should be " << source_rank <<
")";
164 if (ret != source_rank)
167 TLOG(TLVL_WARNING) <<
"Received Fragment from rank " << ret <<
", but was expecting one from rank " << source_rank <<
"!";
172 after_header = std::chrono::steady_clock::now();
174 if (Fragment::isUserFragmentType(header.type) || header.type == Fragment::DataFragmentType || header.type == Fragment::EmptyFragmentType || header.type == Fragment::ContainerFragmentType) {
175 TLOG(TLVL_TRACE) <<
"Received Fragment Header from rank " << source_rank <<
".";
176 RawDataType* loc =
nullptr;
178 while (loc ==
nullptr)
180 loc = shm_manager_->WriteFragmentHeader(header);
181 if (loc ==
nullptr) usleep(sleep_time);
182 if (stop_requested_)
return;
184 if (non_reliable_mode_enabled_ && retries > max_retries)
186 loc = shm_manager_->WriteFragmentHeader(header,
true);
192 TLOG(TLVL_ERROR) <<
"runReceiver_: Could not get data location for event " << std::to_string(header.sequence_id);
195 before_body = std::chrono::steady_clock::now();
197 TLOG(16) <<
"runReceiver_: Calling receiveFragmentData";
198 auto ret2 = source_plugins_[source_rank]->receiveFragmentData(loc, header.word_count - header.num_words());
199 TLOG(16) <<
"runReceiver_: Done with receiveFragmentData, ret2=" << ret2 <<
" (should be " << source_rank <<
")";
202 TLOG(TLVL_ERROR) <<
"Unexpected return code from receiveFragmentData after receiveFragmentHeader! (Expected: " << ret <<
", Got: " << ret2 <<
")";
203 throw cet::exception(
"DataReceiverManager") <<
"Unexpected return code from receiveFragmentData after receiveFragmentHeader! (Expected: " << ret <<
", Got: " << ret2 <<
")";
206 shm_manager_->DoneWritingFragment(header);
207 TLOG(TLVL_TRACE) <<
"Done receiving fragment with sequence ID " << std::to_string(header.sequence_id) <<
" from rank " << source_rank;
209 recv_frag_count_.incSlot(source_rank);
210 recv_frag_size_.incSlot(source_rank, header.word_count *
sizeof(RawDataType));
211 recv_seq_count_.setSlot(source_rank, header.sequence_id);
212 if (endOfDataCount != static_cast<size_t>(-1))
214 TLOG(TLVL_DEBUG) <<
"Received fragment " << std::to_string(header.sequence_id) <<
" from rank " << source_rank
215 <<
" (" << std::to_string(recv_frag_count_.slotCount(source_rank)) <<
"/" << std::to_string(endOfDataCount) <<
")";
220 TLOG(6) <<
"runReceiver_: Sending receive stats";
221 delta_t = TimeUtils::GetElapsedTime(start_time);
222 hdr_delta_t = TimeUtils::GetElapsedTime(start_time, after_header);
223 store_delta_t = TimeUtils::GetElapsedTime(after_header, before_body);
224 data_delta_t = TimeUtils::GetElapsedTime(before_body);
225 metricMan->sendMetric(
"Total Receive Time From Rank " + std::to_string(source_rank), delta_t,
"s", 5, MetricMode::Accumulate);
226 metricMan->sendMetric(
"Total Receive Size From Rank " + std::to_string(source_rank), static_cast<unsigned long>(header.word_count *
sizeof(RawDataType)),
"B", 5, MetricMode::Accumulate);
227 metricMan->sendMetric(
"Total Receive Rate From Rank " + std::to_string(source_rank), header.word_count *
sizeof(RawDataType) / delta_t,
"B/s", 5, MetricMode::Average);
229 metricMan->sendMetric(
"Header Receive Time From Rank " + std::to_string(source_rank), hdr_delta_t,
"s", 5, MetricMode::Accumulate);
230 metricMan->sendMetric(
"Header Receive Size From Rank " + std::to_string(source_rank), static_cast<unsigned long>(header.num_words() *
sizeof(RawDataType)),
"B", 5, MetricMode::Accumulate);
231 metricMan->sendMetric(
"Header Receive Rate From Rank " + std::to_string(source_rank), header.num_words() *
sizeof(RawDataType) / hdr_delta_t,
"B/s", 5, MetricMode::Average);
233 metricMan->sendMetric(
"Shared Memory Wait Time From Rank " + std::to_string(source_rank), store_delta_t,
"s", 5, MetricMode::Accumulate);
235 metricMan->sendMetric(
"Data Receive Time From Rank " + std::to_string(source_rank), data_delta_t,
"s", 5, MetricMode::Accumulate);
236 metricMan->sendMetric(
"Data Receive Size From Rank " + std::to_string(source_rank), static_cast<unsigned long>((header.word_count - header.num_words()) *
sizeof(RawDataType)),
"B", 5, MetricMode::Accumulate);
237 metricMan->sendMetric(
"Data Receive Rate From Rank " + std::to_string(source_rank), (header.word_count - header.num_words()) *
sizeof(RawDataType) / data_delta_t,
"B/s", 5, MetricMode::Average);
238 metricMan->sendMetric(
"Data Receive Count From Rank " + std::to_string(source_rank), recv_frag_count_.slotCount(source_rank),
"fragments", 3, MetricMode::LastPoint);
239 TLOG(6) <<
"runReceiver_: Done sending receive stats";
242 else if (header.type == Fragment::EndOfDataFragmentType || header.type == Fragment::InitFragmentType || header.type == Fragment::EndOfRunFragmentType || header.type == Fragment::EndOfSubrunFragmentType || header.type == Fragment::ShutdownFragmentType)
244 TLOG(TLVL_DEBUG) <<
"Received System Fragment from rank " << source_rank <<
" of type " << detail::RawFragmentHeader::SystemTypeToString(header.type) <<
".";
246 FragmentPtr frag(
new Fragment(header.word_count - header.num_words()));
247 memcpy(frag->headerAddress(), &header, header.num_words() *
sizeof(RawDataType));
248 auto ret3 = source_plugins_[source_rank]->receiveFragmentData(frag->headerAddress() + header.num_words(), header.word_count - header.num_words());
249 if (ret3 != source_rank)
251 TLOG(TLVL_ERROR) <<
"Unexpected return code from receiveFragmentData after receiveFragmentHeader while receiving System Fragment! (Expected: " << source_rank <<
", Got: " << ret3 <<
")";
252 throw cet::exception(
"DataReceiverManager") <<
"Unexpected return code from receiveFragmentData after receiveFragmentHeader while receiving System Fragment! (Expected: " << source_rank <<
", Got: " << ret3 <<
")";
257 case Fragment::EndOfDataFragmentType:
259 endOfDataCount = *(frag->dataBegin());
260 TLOG(TLVL_DEBUG) <<
"EndOfData Fragment indicates that " << std::to_string(endOfDataCount) <<
" fragments are expected from rank " << source_rank
261 <<
" (recvd " << std::to_string(recv_frag_count_.slotCount(source_rank)) <<
").";
263 case Fragment::InitFragmentType:
264 TLOG(TLVL_DEBUG) <<
"Received Init Fragment from rank " << source_rank <<
".";
266 shm_manager_->SetInitFragment(std::move(frag));
268 case Fragment::EndOfRunFragmentType:
272 case Fragment::EndOfSubrunFragmentType:
274 if (header.sequence_id != Fragment::InvalidSequenceID) shm_manager_->rolloverSubrun(header.sequence_id);
275 else shm_manager_->rolloverSubrun(recv_seq_count_.slotCount(source_rank));
277 case Fragment::ShutdownFragmentType:
286 running_sources_.erase(source_rank);
End of Run mode (Used to end request processing on receiver)
This TransferInterface is a Receiver.
std::unique_ptr< artdaq::TransferInterface > MakeTransferPlugin(const fhicl::ParameterSet &pset, std::string plugin_label, TransferInterface::Role role)
Load a TransferInterface plugin.
DataReceiverManager(const fhicl::ParameterSet &ps, std::shared_ptr< SharedMemoryEventManager > shm)
DataReceiverManager Constructor.
virtual ~DataReceiverManager()
DataReceiverManager Destructor.
void start_threads()
Start receiver threads for all enabled sources.
void stop_threads()
Stop receiver threads.