artdaq  v3_11_02
SharedMemoryEventManager.hh
1 #ifndef ARTDAQ_DAQRATE_SHAREDMEMORYEVENTMANAGER_HH
2 #define ARTDAQ_DAQRATE_SHAREDMEMORYEVENTMANAGER_HH
3 
4 #include "artdaq/DAQdata/Globals.hh" // Before trace.h gets included in ConcurrentQueue (from GlobalQueue)
5 
6 #include <sys/stat.h>
7 #include <deque>
8 #include <fstream>
9 #include <iomanip>
10 #include <set>
11 #include "artdaq-core/Core/SharedMemoryManager.hh"
12 #include "artdaq-core/Data/RawEvent.hh"
13 #include "artdaq/DAQrate/StatisticsHelper.hh"
14 #include "artdaq/DAQrate/detail/RequestSender.hh"
15 #include "artdaq/DAQrate/detail/TokenSender.hh"
16 #include "fhiclcpp/fwd.h"
17 #include "fhiclcpp/types/Table.h"
18 #define ART_SUPPORTS_DUPLICATE_EVENTS 0
19 
20 namespace artdaq {
21 
26 {
27 public:
34  explicit art_config_file(fhicl::ParameterSet ps, uint32_t shm_key = 0, uint32_t broadcast_key = 0)
35  : dir_name_("/tmp/partition_" + std::to_string(GetPartitionNumber()))
36  , file_name_(dir_name_ + "/artConfig_" + std::to_string(my_rank) + "_" + std::to_string(artdaq::TimeUtils::gettimeofday_us()) + ".fcl")
37  {
38  mkdir(dir_name_.c_str(), 0777); // Allowed to fail if directory already exists
39 
40  std::ofstream of(file_name_, std::ofstream::trunc);
41  if (of.fail())
42  {
43  // Probably a permissions error...
44  dir_name_ = "/tmp/partition_" + std::to_string(GetPartitionNumber()) + "_" + std::to_string(getuid());
45  mkdir(dir_name_.c_str(), 0777); // Allowed to fail if directory already exists
46  file_name_ = dir_name_ + "/artConfig_" + std::to_string(my_rank) + "_" + std::to_string(artdaq::TimeUtils::gettimeofday_us()) + ".fcl";
47 
48  of.open(file_name_, std::ofstream::trunc);
49  if (of.fail())
50  {
51  TLOG(TLVL_ERROR, "ArtConfigFile") << "Failed to open configuration file after two attemps! ABORTING!";
52  exit(46);
53  }
54  }
55  of << ps.to_string();
56 
57  if (!ps.has_key("services") || !ps.has_key("services.message"))
58  {
59  of << " services.message: { " << generateMessageFacilityConfiguration(mf::GetApplicationName().c_str(), true, false, "-art") << "} ";
60  }
61 
62  TLOG(TLVL_INFO, "ArtConfigFile") << "Inserting Shared memory keys (0x" << std::hex << shm_key << ", 0x" << std::hex << broadcast_key << ") into source config";
63  if (shm_key > 0) of << " source.shared_memory_key: 0x" << std::hex << shm_key;
64  if (broadcast_key > 0) of << " source.broadcast_shared_memory_key: 0x" << std::hex << broadcast_key;
65 
66  of.flush();
67  of.close();
68  }
70  {
71  remove(file_name_.c_str());
72  rmdir(dir_name_.c_str()); // Will only delete directory if no config files are left over
73  }
78  std::string getFileName() const { return file_name_; }
79 
80 private:
81  art_config_file(art_config_file const&) = delete;
82  art_config_file(art_config_file&&) = delete;
83  art_config_file& operator=(art_config_file const&) = delete;
84  art_config_file& operator=(art_config_file&&) = delete;
85 
86  std::string dir_name_;
87  std::string file_name_;
88 };
89 
93 class SharedMemoryEventManager : public SharedMemoryManager
94 {
95 public:
96  static const std::string FRAGMENTS_RECEIVED_STAT_KEY;
97  static const std::string EVENTS_RELEASED_STAT_KEY;
98 
99  typedef RawEvent::run_id_t run_id_t;
100  typedef RawEvent::subrun_id_t subrun_id_t;
101  typedef Fragment::sequence_id_t sequence_id_t;
102  typedef std::map<sequence_id_t, RawEvent_ptr> EventMap;
103 
107  struct Config
108  {
111  fhicl::Atom<size_t> max_event_size_bytes{fhicl::Name{"max_event_size_bytes"}, fhicl::Comment{"Maximum event size (all Fragments), in bytes"}};
113  fhicl::Atom<size_t> stale_buffer_timeout_usec{fhicl::Name{"stale_buffer_timeout_usec"}, fhicl::Comment{"Maximum amount of time elapsed before a buffer is marked as abandoned. Time is reset each time an operation is performed on the buffer."}, 5000000};
115  fhicl::Atom<bool> overwrite_mode{fhicl::Name{"overwrite_mode"}, fhicl::Comment{"Whether buffers are allowed to be overwritten when safe (state == Full or Reading)"}, false};
117  fhicl::Atom<bool> restart_crashed_art_processes{fhicl::Name{"restart_crashed_art_processes"}, fhicl::Comment{"Whether to automatically restart art processes that fail for any reason"}, true};
119  fhicl::Atom<uint32_t> shared_memory_key{fhicl::Name{"shared_memory_key"}, fhicl::Comment{"Key to use for shared memory access"}, 0xBEE70000 + getpid()};
121  fhicl::Atom<size_t> buffer_count{fhicl::Name{"buffer_count"}, fhicl::Comment{"Number of events in the Shared Memory (incomplete + pending art)"}};
124  fhicl::Atom<size_t> max_fragment_size_bytes{fhicl::Name{"max_fragment_size_bytes"}, fhicl::Comment{" Maximum Fragment size, in bytes"}};
126  fhicl::Atom<size_t> event_queue_wait_time{fhicl::Name{"event_queue_wait_time"}, fhicl::Comment{"Amount of time (in seconds) an event can exist in shared memory before being released to art. Used as input to default parameter of \"stale_buffer_timeout_usec\"."}, 5};
128  fhicl::Atom<bool> broadcast_mode{fhicl::Name{"broadcast_mode"}, fhicl::Comment{"When true, buffers are not marked Empty when read, but return to Full state. Buffers are overwritten in order received."}, false};
130  fhicl::Atom<size_t> art_analyzer_count{fhicl::Name{"art_analyzer_count"}, fhicl::Comment{"Number of art procceses to start"}, 1};
132  fhicl::Atom<size_t> expected_fragments_per_event{fhicl::Name{"expected_fragments_per_event"}, fhicl::Comment{"Number of Fragments to expect per event"}};
134  fhicl::Atom<int> maximum_oversize_fragment_count{fhicl::Name{"maximum_oversize_fragment_count"}, fhicl::Comment{"Maximum number of over-size Fragments to drop before throwing an exception. Default is 1, which means to throw an exception if any over-size Fragments are dropped. Set to 0 to disable."}, 1};
136  fhicl::Atom<bool> update_run_ids_on_new_fragment{fhicl::Name{"update_run_ids_on_new_fragment"}, fhicl::Comment{"Whether the run and subrun ID of an event should be updated whenever a Fragment is added."}, true};
138  fhicl::Atom<bool> use_sequence_id_for_event_number{fhicl::Name{"use_sequence_id_for_event_number"}, fhicl::Comment{"Whether to use the artdaq Sequence ID (true) or the Timestamp (false) for art Event numbers"}, true};
140  fhicl::Atom<size_t> max_subrun_lookup_table_size{fhicl::Name{"max_subrun_lookup_table_size"}, fhicl::Comment{"The maximum number of entries to store in the sequence ID-SubRun ID lookup table"}, 100};
142  fhicl::Atom<size_t> max_event_list_length{fhicl::Name{"max_event_list_length"}, fhicl::Comment{" The maximum number of entries to store in the released events list"}, 100};
144  fhicl::Atom<bool> send_init_fragments{fhicl::Name{"send_init_fragments"}, fhicl::Comment{"Whether Init Fragments are expected to be sent to art. If true, a Warning message is printed when an Init Fragment is requested but none are available."}, true};
146  fhicl::Atom<int> open_event_report_interval_ms{fhicl::Name{"open_event_report_interval_ms"}, fhicl::Comment{"Interval at which an open event report should be written"}, -1};
149  fhicl::Atom<int> fragment_broadcast_timeout_ms{fhicl::Name{"fragment_broadcast_timeout_ms"}, fhicl::Comment{"Amount of time broadcast fragments should live in the broadcast shared memory segment"}, 3000};
151  fhicl::Atom<std::string> art_command_line{fhicl::Name{"art_command_line"}, fhicl::Comment{"Command line used to start analysis processes. Supports two special sequences: #CONFIG_FILE# will be replaced with the fhicl config file. #PROCESS_INDEX# will be replaced by the index of the art process."}, "art -c #CONFIG_FILE#"};
153  fhicl::Atom<size_t> art_index_offset{fhicl::Name{"art_index_offset"}, fhicl::Comment{"Offset to add to art process index when replacing #PROCESS_INDEX#"}, 0};
155  fhicl::Atom<double> minimum_art_lifetime_s{fhicl::Name{"minimum_art_lifetime_s"}, fhicl::Comment{"Amount of time that an art process should run to not be considered \"DOA\""}, 2.0};
158  fhicl::Atom<size_t> expected_art_event_processing_time_us{fhicl::Name{"expected_art_event_processing_time_us"}, fhicl::Comment{"During shutdown, SMEM will wait for this amount of time while it is checking that the art threads are done reading buffers."}, 100000};
160  fhicl::Atom<uint32_t> broadcast_shared_memory_key{fhicl::Name{"broadcast_shared_memory_key"}, fhicl::Comment{""}, 0xCEE70000 + getpid()};
162  fhicl::Atom<size_t> broadcast_buffer_count{fhicl::Name{"broadcast_buffer_count"}, fhicl::Comment{"Buffers in the broadcast shared memory segment"}, 10};
164  fhicl::Atom<size_t> broadcast_buffer_size{fhicl::Name{"broadcast_buffer_size"}, fhicl::Comment{"Size of the buffers in the broadcast shared memory segment"}, 0x100000};
166  fhicl::Atom<bool> use_art{fhicl::Name{"use_art"}, fhicl::Comment{"Whether to start and manage art threads (Sets art_analyzer count to 0 and overwrite_mode to true when false)"}, true};
168  fhicl::Atom<bool> manual_art{fhicl::Name{"manual_art"}, fhicl::Comment{"Prints the startup command line for the art process so that the user may (for example) run it in GDB or valgrind"}, false};
170  fhicl::TableFragment<artdaq::RequestSender::Config> requestSenderConfig;
172  fhicl::OptionalTable<artdaq::TokenSender::Config> tokenSenderConfig{fhicl::Name{"routing_token_config"}, fhicl::Comment{"Configuration for the Routing TokenSender"}};
173  };
175  using Parameters = fhicl::WrappedTable<Config>;
176 
182  SharedMemoryEventManager(const fhicl::ParameterSet& pset, fhicl::ParameterSet art_pset);
186  virtual ~SharedMemoryEventManager();
187 
188 private:
195  bool AddFragment(detail::RawFragmentHeader frag, void* dataPtr);
196 
197 public:
205  bool AddFragment(FragmentPtr frag, size_t timeout_usec, FragmentPtr& outfrag);
206 
213  RawDataType* WriteFragmentHeader(detail::RawFragmentHeader frag, bool dropIfNoBuffersAvailable = false);
214 
219  void DoneWritingFragment(detail::RawFragmentHeader frag);
220 
225  size_t GetOpenEventCount() { return active_buffers_.size(); }
226 
231  size_t GetPendingEventCount() { return pending_buffers_.size(); }
232 
237  size_t GetLockedBufferCount() { return GetBuffersOwnedByManager().size(); }
238 
243  size_t GetArtEventCount() { return run_event_count_; }
244 
251  size_t GetFragmentCount(Fragment::sequence_id_t seqID, Fragment::type_t type = Fragment::InvalidFragmentType);
252 
259  size_t GetFragmentCountInBuffer(int buffer, Fragment::type_t type = Fragment::InvalidFragmentType);
260 
264  void RunArt(const std::shared_ptr<art_config_file>& config_file, size_t process_index, const std::shared_ptr<std::atomic<pid_t>>& pid_out);
268  void StartArt();
269 
276  pid_t StartArtProcess(fhicl::ParameterSet pset, size_t process_index);
277 
282  void ShutdownArtProcesses(std::set<pid_t>& pids);
283 
290  void ReconfigureArt(fhicl::ParameterSet art_pset, run_id_t newRun = 0, int n_art_processes = -1);
291 
301  bool endOfData();
302 
307  void startRun(run_id_t runID);
308 
313  run_id_t runID() const { return run_id_; }
314 
319  bool endRun();
320 
326  void rolloverSubrun(sequence_id_t boundary, subrun_id_t subrun);
327 
331  void rolloverSubrun();
332 
336  void sendMetrics();
337 
343  {
344  if (requests_) requests_->SetRequestMode(mode);
345  }
346 
351  void setOverwrite(bool overwrite) { overwrite_mode_ = overwrite; }
352 
356  void AddInitFragment(FragmentPtr& frag);
357 
362  uint32_t GetBroadcastKey() { return broadcasts_.GetKey(); }
363 
369  RawDataType* GetDroppedDataAddress(detail::RawFragmentHeader frag)
370  {
371  for (auto it = dropped_data_.begin(); it != dropped_data_.end(); ++it)
372  {
373  if (it->first == frag)
374  {
375  return it->second->dataBegin();
376  }
377  }
378  return nullptr;
379  }
380 
390  void UpdateArtConfiguration(fhicl::ParameterSet art_pset);
391 
395  void CheckPendingBuffers();
396 
402  subrun_id_t GetSubrunForSequenceID(Fragment::sequence_id_t seqID);
403 
408  subrun_id_t GetCurrentSubrun() { return GetSubrunForSequenceID(Fragment::InvalidSequenceID); }
409 
410 private:
413  SharedMemoryEventManager& operator=(SharedMemoryEventManager const&) = delete;
414  SharedMemoryEventManager& operator=(SharedMemoryEventManager&&) = delete;
415 
416  size_t get_art_process_count_()
417  {
418  std::unique_lock<std::mutex> lk(art_process_mutex_);
419  return art_processes_.size();
420  }
421 
422  std::string buildStatisticsString_() const;
423 
424 private:
425  size_t num_art_processes_;
426  size_t const num_fragments_per_event_;
427  size_t const queue_size_;
428  run_id_t run_id_;
429 
430  std::map<sequence_id_t, subrun_id_t> subrun_event_map_;
431  size_t max_subrun_event_map_length_;
432  static std::mutex subrun_event_map_mutex_;
433 
434  std::set<int> active_buffers_;
435  std::set<int> pending_buffers_;
436  std::unordered_map<Fragment::sequence_id_t, size_t> released_incomplete_events_;
437  std::set<Fragment::sequence_id_t> released_events_;
438  size_t max_event_list_length_;
439 
440  bool update_run_ids_;
441  bool use_sequence_id_for_event_number_;
442  bool overwrite_mode_;
443  size_t init_fragment_count_;
444  std::atomic<bool> running_;
445 
446  std::unordered_map<int, std::atomic<int>> buffer_writes_pending_;
447  std::unordered_map<int, std::mutex> buffer_mutexes_;
448  static std::mutex sequence_id_mutex_;
449 
450  int open_event_report_interval_ms_;
451  std::chrono::steady_clock::time_point last_open_event_report_time_;
452  std::chrono::steady_clock::time_point last_backpressure_report_time_;
453  std::chrono::steady_clock::time_point last_fragment_header_write_time_;
454  std::vector<std::chrono::steady_clock::time_point> event_timing_;
455 
456  StatisticsHelper statsHelper_;
457 
458  int broadcast_timeout_ms_;
459 
460  std::atomic<int> run_event_count_;
461  std::atomic<int> run_incomplete_event_count_;
462  std::atomic<int> subrun_event_count_;
463  std::atomic<int> subrun_incomplete_event_count_;
464  std::atomic<int> oversize_fragment_count_;
465  int maximum_oversize_fragment_count_;
466 
467  mutable std::mutex art_process_mutex_;
468  std::set<pid_t> art_processes_;
469  std::atomic<bool> restart_art_;
470  bool always_restart_art_;
471  std::atomic<bool> manual_art_;
472  fhicl::ParameterSet current_art_pset_;
473  std::shared_ptr<art_config_file> current_art_config_file_;
474  std::string art_cmdline_;
475  size_t art_process_index_offset_;
476  double minimum_art_lifetime_s_;
477  size_t art_event_processing_time_us_;
478 
479  std::unique_ptr<RequestSender> requests_;
480  std::unique_ptr<TokenSender> tokens_;
481  fhicl::ParameterSet data_pset_;
482 
483  FragmentPtrs init_fragments_;
484  std::set<Fragment::fragment_id_t> received_init_frags_;
485  std::list<std::pair<detail::RawFragmentHeader, FragmentPtr>> dropped_data_;
486 
487  bool broadcastFragments_(FragmentPtrs& frags);
488 
489  detail::RawEventHeader* getEventHeader_(int buffer);
490 
491  int getBufferForSequenceID_(Fragment::sequence_id_t seqID, bool create_new, Fragment::timestamp_t timestamp = Fragment::InvalidTimestamp);
492  bool hasFragments_(int buffer);
493  void complete_buffer_(int buffer);
494  bool bufferComparator(int bufA, int bufB);
495  void check_pending_buffers_(std::unique_lock<std::mutex> const& lock);
496  std::vector<char*> parse_art_command_line_(const std::shared_ptr<art_config_file>& config_file, size_t process_index);
497 
498  void send_init_frags_();
499  SharedMemoryManager broadcasts_;
500 };
501 } // namespace artdaq
502 
503 #endif //ARTDAQ_DAQRATE_SHAREDMEMORYEVENTMANAGER_HH
fhicl::Atom< size_t > event_queue_wait_time
&quot;event_queue_wait_time&quot; (Default: 5) : Amount of time(in seconds) an event can exist in shared memory...
fhicl::Atom< bool > overwrite_mode
&quot;overwite_mode&quot; (Default: false): Whether new data is allowed to overwrite buffers in the &quot;Full&quot; stat...
art_config_file wraps a temporary file used to configure art
void AddInitFragment(FragmentPtr &frag)
Set the stored Init fragment, if one has not yet been set already.
void ShutdownArtProcesses(std::set< pid_t > &pids)
Shutdown a set of art processes.
size_t GetLockedBufferCount()
Returns the number of buffers currently owned by this manager.
virtual ~SharedMemoryEventManager()
SharedMemoryEventManager Destructor.
The SharedMemoryEventManager is a SharedMemoryManger which tracks events as they are built...
Fragment::sequence_id_t sequence_id_t
Copy Fragment::sequence_id_t into local scope.
fhicl::Atom< size_t > broadcast_buffer_size
&quot;broadcast_buffer_size&quot; (Default: 0x100000): Size of the buffers in the broadcast shared memory segme...
subrun_id_t GetCurrentSubrun()
Get the current subrun number (Gets the last defined subrun)
fhicl::Atom< bool > restart_crashed_art_processes
&quot;restart_crashed_art_processes&quot; (Default: true) : Whether to automatically restart art processes that...
void ReconfigureArt(fhicl::ParameterSet art_pset, run_id_t newRun=0, int n_art_processes=-1)
Restart all art processes, using the given fhicl code to configure the new art processes.
fhicl::Atom< double > minimum_art_lifetime_s
&quot;minimum_art_lifetime_s&quot; (Default: 2 seconds): Amount of time that an art process should run to not b...
fhicl::Atom< int > maximum_oversize_fragment_count
&quot;maximum_oversize_fragment_count&quot; (Default: 1): Maximum number of over-size Fragments to drop before ...
fhicl::Atom< bool > update_run_ids_on_new_fragment
&quot;update_run_ids_on_new_fragment&quot; (Default: true) : Whether the run and subrun ID of an event should b...
RawDataType * WriteFragmentHeader(detail::RawFragmentHeader frag, bool dropIfNoBuffersAvailable=false)
Get a pointer to a reserved memory area for the given Fragment header.
void setRequestMode(detail::RequestMessageMode mode)
Set the RequestMessageMode for all outgoing data requests.
size_t GetArtEventCount()
Returns the number of events sent to art this run.
fhicl::Atom< std::string > art_command_line
&quot;art_command_line&quot; (Default: &quot;art -c \#CONFIG_FILE\#&quot;): Command line used to start analysis processes...
fhicl::Atom< size_t > art_analyzer_count
&quot;art_analyzer_count&quot; (Default: 1) : Number of art procceses to start
Configuration of the SharedMemoryEventManager. May be used for parameter validation ...
fhicl::Atom< int > open_event_report_interval_ms
&quot;open_event_report_interval_ms&quot; (Default: -1): Interval at which an open event report should be writt...
fhicl::Atom< bool > use_sequence_id_for_event_number
&quot;use_sequence_id_for_event_number&quot; (Default: true): Whether to use the artdaq Sequence ID (true) or t...
fhicl::Atom< uint32_t > broadcast_shared_memory_key
&quot;broadcast_shared_memory_key&quot; (Default: 0xCEE7000 + PID): Key to use for broadcast shared memory acce...
RawEvent::run_id_t run_id_t
Copy RawEvent::run_id_t into local scope.
fhicl::Atom< size_t > art_index_offset
&quot;art_index_offset&quot; (Default: 0): Offset to add to art process index when replacing #PROCESS_INDEX# ...
fhicl::WrappedTable< Config > Parameters
Used for ParameterSet validation (if desired)
size_t GetFragmentCount(Fragment::sequence_id_t seqID, Fragment::type_t type=Fragment::InvalidFragmentType)
Get the count of Fragments of a given type in an event.
void UpdateArtConfiguration(fhicl::ParameterSet art_pset)
Updates the internally-stored copy of the art configuration.
pid_t StartArtProcess(fhicl::ParameterSet pset, size_t process_index)
Start one art process.
fhicl::Atom< size_t > max_subrun_lookup_table_size
&quot;max_subrun_lookup_table_size&quot; (Default: 100): The maximum number of entries to store in the sequence...
size_t GetPendingEventCount()
Returns the number of events which are complete but waiting on lower sequenced events to finish...
void StartArt()
Start all the art processes.
run_id_t runID() const
Get the current Run number.
fhicl::Atom< size_t > buffer_count
&quot;buffer_count&quot; REQUIRED: Number of events in the Shared Memory(incomplete + pending art) ...
subrun_id_t GetSubrunForSequenceID(Fragment::sequence_id_t seqID)
Get the subrun number that the given Sequence ID would be assigned to.
fhicl::TableFragment< artdaq::RequestSender::Config > requestSenderConfig
Configuration of the RequestSender. See artdaq::RequestSender::Config.
SharedMemoryEventManager(const fhicl::ParameterSet &pset, fhicl::ParameterSet art_pset)
SharedMemoryEventManager Constructor.
fhicl::Atom< uint32_t > shared_memory_key
&quot;shared_memory_key&quot; (Default 0xBEE70000 + PID) : Key to use for shared memory access ...
RawDataType * GetDroppedDataAddress(detail::RawFragmentHeader frag)
Gets the address of the &quot;dropped data&quot; fragment. Used for testing.
std::map< sequence_id_t, RawEvent_ptr > EventMap
An EventMap is a map of RawEvent_ptr objects, keyed by sequence ID.
RequestMessageMode
Mode used to indicate current run conditions to the request receiver.
fhicl::Atom< size_t > max_event_list_length
&quot;max_event_list_length&quot; (Default: 100): The maximum number of entries to store in the released events...
size_t GetOpenEventCount()
Returns the number of buffers which contain data but are not yet complete.
void RunArt(const std::shared_ptr< art_config_file > &config_file, size_t process_index, const std::shared_ptr< std::atomic< pid_t >> &pid_out)
Run an art instance, recording the return codes and restarting it until the end flag is raised...
void rolloverSubrun()
Add a subrun transition immediately after the highest currently define sequence ID.
void sendMetrics()
Send metrics to the MetricManager, if one has been instantiated in the application.
fhicl::Atom< size_t > stale_buffer_timeout_usec
&quot;stale_buffer_timeout_usec&quot; (Default: event_queue_wait_time * 1, 000, 000) : Maximum amount of time e...
art_config_file(fhicl::ParameterSet ps, uint32_t shm_key=0, uint32_t broadcast_key=0)
art_config_file Constructor
fhicl::Atom< size_t > expected_fragments_per_event
&quot;expected_fragments_per_event&quot; (REQUIRED) : Number of Fragments to expect per event ...
fhicl::Atom< bool > send_init_fragments
&quot;send_init_fragments&quot; (Default: true): Whether Init Fragments are expected to be sent to art...
static const std::string FRAGMENTS_RECEIVED_STAT_KEY
Key for Fragments Received MonitoredQuantity.
bool endRun()
Send an EndOfRunFragment to the art thread.
fhicl::OptionalTable< artdaq::TokenSender::Config > tokenSenderConfig
Configuration of the TokenSender. See artdaq::TokenSender::Config.
void setOverwrite(bool overwrite)
Set the overwrite flag (non-reliable data transfer) for the Shared Memory.
std::string getFileName() const
Get the path of the temporary file.
fhicl::Atom< bool > manual_art
&quot;manual_art&quot; (Default: false): Prints the startup command line for the art process so that the user m...
fhicl::Atom< bool > broadcast_mode
&quot;broadcast_mode&quot; (Default: false) : When true, buffers are not marked Empty when read, but return to Full state.Buffers are overwritten in order received.
fhicl::Atom< size_t > broadcast_buffer_count
&quot;broadcast_buffer_count&quot; (Default: 10): Buffers in the broadcast shared memory segment ...
void DoneWritingFragment(detail::RawFragmentHeader frag)
Used to indicate that the given Fragment is now completely in the buffer. Will check for buffer compl...
static const std::string EVENTS_RELEASED_STAT_KEY
Key for the Events Released MonitoredQuantity.
uint32_t GetBroadcastKey()
Gets the shared memory key of the broadcast SharedMemoryManager.
bool endOfData()
Indicate that the end of input has been reached to the art processes.
fhicl::Atom< bool > use_art
&quot;use_art&quot; (Default: true): Whether to start and manage art threads (Sets art_analyzer count to 0 and ...
RawEvent::subrun_id_t subrun_id_t
Copy RawEvent::subrun_id_t into local scope.
void startRun(run_id_t runID)
Start a Run.
size_t GetFragmentCountInBuffer(int buffer, Fragment::type_t type=Fragment::InvalidFragmentType)
Get the count of Fragments of a given type in a buffer.
void CheckPendingBuffers()
Check for buffers which are ready to be marked incomplete and released to art and issue tokens for an...