10 #include "canvas/Utilities/Exception.h"
11 #include "cetlib/exception.h"
13 #define TRACE_NAME "RoutingMasterCore" // include these 2 first -
14 #include "artdaq/DAQdata/Globals.hh"
15 #include "artdaq-core/Data/Fragment.hh"
16 #include "artdaq-core/Utilities/ExceptionHandler.hh"
18 #include "artdaq/Application/RoutingMasterCore.hh"
19 #include "artdaq/Application/Routing/makeRoutingMasterPolicy.hh"
30 , received_token_counter_()
31 , shutdown_requested_(false)
32 , stop_requested_(false)
33 , pause_requested_(false)
38 TLOG_DEBUG(name_) <<
"Constructor" << TLOG_ENDL;
41 metricMan = &metricMan_;
47 TLOG_DEBUG(name_) <<
"Destructor" << TLOG_ENDL;
48 if (ev_token_receive_thread_.joinable()) ev_token_receive_thread_.join();
53 TLOG_DEBUG(name_) <<
"initialize method called with "
54 <<
"ParameterSet = \"" << pset.to_string()
55 <<
"\"." << TLOG_ENDL;
58 fhicl::ParameterSet daq_pset;
61 daq_pset = pset.get<fhicl::ParameterSet>(
"daq");
66 <<
"Unable to find the DAQ parameters in the initialization "
67 <<
"ParameterSet: \"" + pset.to_string() +
"\"." << TLOG_ENDL;
72 policy_pset_ = daq_pset.get<fhicl::ParameterSet>(
"policy");
77 <<
"Unable to find the policy parameters in the DAQ initialization ParameterSet: \"" + daq_pset.to_string() +
"\"." << TLOG_ENDL;
82 fhicl::ParameterSet metric_pset;
85 metric_pset = daq_pset.get<fhicl::ParameterSet>(
"metrics");
89 if (metric_pset.is_empty())
91 TLOG_INFO(name_) <<
"No metric plugins appear to be defined" << TLOG_ENDL;
95 metricMan_.initialize(metric_pset, name_);
99 ExceptionHandler(ExceptionHandlerRethrow::no,
100 "Error loading metrics in RoutingMasterCore::initialize()");
104 auto policy_plugin_spec = policy_pset_.get<std::string>(
"policy",
"");
105 if (policy_plugin_spec.length() == 0)
108 <<
"No fragment generator (parameter name = \"policy\") was "
109 <<
"specified in the policy ParameterSet. The "
110 <<
"DAQ initialization PSet was \"" << daq_pset.to_string() <<
"\"." << TLOG_ENDL;
119 std::stringstream exception_string;
120 exception_string <<
"Exception thrown during initialization of policy of type \""
121 << policy_plugin_spec <<
"\"";
123 ExceptionHandler(ExceptionHandlerRethrow::no, exception_string.str());
125 TLOG_DEBUG(name_) <<
"FHiCL parameter set used to initialize the policy which threw an exception: " << policy_pset_.to_string() << TLOG_ENDL;
130 rt_priority_ = daq_pset.get<
int>(
"rt_priority", 0);
131 sender_ranks_ = daq_pset.get<std::vector<int>>(
"sender_ranks");
132 num_receivers_ = policy_->GetReceiverCount();
134 receive_ack_events_ = std::vector<epoll_event>(sender_ranks_.size());
135 receive_token_events_ = std::vector<epoll_event>(num_receivers_ + 1);
137 auto mode = daq_pset.get<
bool>(
"senders_send_by_send_count",
false);
139 max_table_update_interval_ms_ = daq_pset.get<
size_t>(
"table_update_interval_ms", 1000);
140 current_table_interval_ms_ = max_table_update_interval_ms_;
141 max_ack_cycle_count_ = daq_pset.get<
size_t>(
"table_ack_retry_count", 5);
142 receive_token_port_ = daq_pset.get<
int>(
"routing_token_port", 35555);
143 send_tables_port_ = daq_pset.get<
int>(
"table_update_port", 35556);
144 receive_acks_port_ = daq_pset.get<
int>(
"table_acknowledge_port", 35557);
145 send_tables_address_ = daq_pset.get<std::string>(
"table_update_address",
"227.128.12.28");
146 receive_address_ = daq_pset.get<std::string>(
"routing_master_hostname",
"localhost");
149 statsHelper_.createCollectors(daq_pset, 100, 30.0, 60.0, TABLE_UPDATES_STAT_KEY);
151 shutdown_requested_.store(
false);
152 start_recieve_token_thread_();
158 stop_requested_.store(
false);
159 pause_requested_.store(
false);
161 statsHelper_.resetStatistics();
164 metricMan_.do_start();
166 table_update_count_ = 0;
167 received_token_count_ = 0;
169 TLOG_DEBUG(name_) <<
"Started run " << std::to_string(run_id_.run()) << TLOG_ENDL;
175 TLOG_DEBUG(name_) <<
"Stopping run " << std::to_string(run_id_.run())
176 <<
" after " << std::to_string(table_update_count_) <<
" table updates."
177 <<
" and " << received_token_count_ <<
" received tokens." << TLOG_ENDL;
178 stop_requested_.store(
true);
184 TLOG_DEBUG(name_) <<
"Pausing run " << std::to_string(run_id_.run())
185 <<
" after " << table_update_count_ <<
" table updates."
186 <<
" and " << received_token_count_ <<
" received tokens." << TLOG_ENDL;
187 pause_requested_.store(
true);
193 TLOG_DEBUG(name_) <<
"Resuming run " << run_id_.run() << TLOG_ENDL;
195 pause_requested_.store(
false);
196 metricMan_.do_start();
202 shutdown_requested_.store(
true);
203 if (ev_token_receive_thread_.joinable()) ev_token_receive_thread_.join();
204 policy_.reset(
nullptr);
205 metricMan_.shutdown();
211 TLOG_DEBUG(name_) <<
"soft_initialize method called with "
212 <<
"ParameterSet = \"" << pset.to_string()
213 <<
"\"." << TLOG_ENDL;
214 return initialize(pset, e, f);
219 TLOG_DEBUG(name_) <<
"reinitialize method called with "
220 <<
"ParameterSet = \"" << pset.to_string()
221 <<
"\"." << TLOG_ENDL;
222 return initialize(pset, e, f);
227 if (rt_priority_ > 0)
229 #pragma GCC diagnostic push
230 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
231 sched_param s_param = {};
232 s_param.sched_priority = rt_priority_;
233 if (pthread_setschedparam(pthread_self(), SCHED_RR, &s_param))
234 TLOG_WARNING(name_) <<
"setting realtime priority failed" << TLOG_ENDL;
235 #pragma GCC diagnostic pop
241 if (rt_priority_ > 0)
243 #pragma GCC diagnostic push
244 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
245 sched_param s_param = {};
246 s_param.sched_priority = rt_priority_;
247 int status = pthread_setschedparam(pthread_self(), SCHED_RR, &s_param);
251 <<
"Failed to set realtime priority to " << std::to_string(rt_priority_)
252 <<
", return code = " << status << TLOG_ENDL;
254 #pragma GCC diagnostic pop
259 TLOG_DEBUG(name_) <<
"Sending initial table." << TLOG_ENDL;
260 auto startTime = artdaq::MonitoredQuantity::getCurrentTime();
261 auto nextSendTime = startTime;
265 if (stop_requested_ || pause_requested_) {
break; }
266 startTime = artdaq::MonitoredQuantity::getCurrentTime();
268 if (startTime >= nextSendTime)
270 auto table = policy_->GetCurrentTable();
271 if (table.size() > 0)
273 send_event_table(table);
274 ++table_update_count_;
275 delta_time = artdaq::MonitoredQuantity::getCurrentTime() - startTime;
276 statsHelper_.addSample(TABLE_UPDATES_STAT_KEY, delta_time);
277 TLOG_ARB(16, name_) <<
"process_fragments TABLE_UPDATES_STAT_KEY=" << std::to_string(delta_time) << TLOG_ENDL;
281 TLOG_WARNING(name_) <<
"No tokens received in this update interval! This is most likely a Very Bad Thing!" << TLOG_ENDL;
283 auto max_tokens = policy_->GetMaxNumberOfTokens();
286 auto frac = table.size() /
static_cast<double>(max_tokens);
287 if (frac > 0.75) current_table_interval_ms_ = 9 * current_table_interval_ms_ / 10;
288 if (frac < 0.5) current_table_interval_ms_ = 11 * current_table_interval_ms_ / 10;
289 if (current_table_interval_ms_ > max_table_update_interval_ms_) current_table_interval_ms_ = max_table_update_interval_ms_;
290 if (current_table_interval_ms_ < 1) current_table_interval_ms_ = 1;
292 nextSendTime = startTime + current_table_interval_ms_ / 1000.0;
293 TLOG_DEBUG(name_) <<
"current_table_interval_ms is now " << current_table_interval_ms_ << TLOG_ENDL;
297 usleep(current_table_interval_ms_ * 10);
301 metricMan_.do_stop();
303 return table_update_count_;
309 if (table_socket_ == -1)
311 table_socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
312 if (table_socket_ < 0)
314 TLOG_ERROR(name_) <<
"I failed to create the socket for sending Data Requests! Errno: " << std::to_string(errno) << TLOG_ENDL;
317 auto sts =
ResolveHost(send_tables_address_.c_str(), send_tables_port_, send_tables_addr_);
320 TLOG_ERROR(name_) <<
"Unable to resolve table_update_address" << TLOG_ENDL;
325 if (receive_address_ !=
"localhost")
327 TLOG_DEBUG(name_) <<
"Making sure that multicast sending uses the correct interface for hostname " << receive_address_ << TLOG_ENDL;
332 throw art::Exception(art::errors::Configuration) <<
"RoutingMasterCore: Unable to resolve routing_master_address" << std::endl;;
335 if (setsockopt(table_socket_, SOL_SOCKET, SO_REUSEADDR, &yes,
sizeof(yes)) < 0)
337 throw art::Exception(art::errors::Configuration) <<
338 "RoutingMasterCore: Unable to enable port reuse on table update socket" << std::endl;
342 if (setsockopt(table_socket_, IPPROTO_IP, IP_MULTICAST_LOOP, &yes,
sizeof(yes)) < 0)
344 TLOG_ERROR(
"RequestSender") <<
"Unable to enable multicast loopback on table socket" << TLOG_ENDL;
347 if (setsockopt(table_socket_, IPPROTO_IP, IP_MULTICAST_IF, &addr,
sizeof(addr)) == -1)
349 TLOG_ERROR(name_) <<
"Cannot set outgoing interface. Errno: " << std::to_string(errno) << TLOG_ENDL;
353 if (setsockopt(table_socket_, SOL_SOCKET, SO_BROADCAST, (
void*)&yes,
sizeof(
int)) == -1)
355 TLOG_ERROR(name_) <<
"Cannot set request socket to broadcast. Errno: " << std::to_string(errno) << TLOG_ENDL;
361 if (ack_socket_ == -1)
363 ack_socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
366 throw art::Exception(art::errors::Configuration) <<
"RoutingMasterCore: Error creating socket for receiving table update acks!" << std::endl;
370 struct sockaddr_in si_me_request;
373 if (setsockopt(ack_socket_, SOL_SOCKET, SO_REUSEADDR, &yes,
sizeof(yes)) < 0)
375 throw art::Exception(art::errors::Configuration) <<
376 "RoutingMasterCore: Unable to enable port reuse on ack socket" << std::endl;
379 memset(&si_me_request, 0,
sizeof(si_me_request));
380 si_me_request.sin_family = AF_INET;
381 si_me_request.sin_port = htons(receive_acks_port_);
382 si_me_request.sin_addr.s_addr = htonl(INADDR_ANY);
383 if (bind(ack_socket_, reinterpret_cast<struct sockaddr *>(&si_me_request),
sizeof(si_me_request)) == -1)
385 throw art::Exception(art::errors::Configuration) <<
386 "RoutingMasterCore: Cannot bind request socket to port " << receive_acks_port_ << std::endl;
389 TLOG_DEBUG(name_) <<
"Listening for acks on 0.0.0.0 port " << receive_acks_port_ << TLOG_ENDL;
392 auto acks = std::unordered_map<int, bool>();
393 for (
auto& r : sender_ranks_)
398 auto start_time = std::chrono::steady_clock::now();
399 while (std::count_if(acks.begin(), acks.end(), [](std::pair<int, bool> p) {
return !p.second; }) > 0)
405 TLOG_DEBUG(name_) <<
"Sending table information for " << std::to_string(header.nEntries) <<
" events to multicast group " << send_tables_address_ <<
", port " << send_tables_port_ << TLOG_ENDL;
406 if (sendto(table_socket_, &header,
sizeof(
detail::RoutingPacketHeader), 0, reinterpret_cast<struct sockaddr *>(&send_tables_addr_),
sizeof(send_tables_addr_)) < 0)
408 TLOG_ERROR(name_) <<
"Error sending request message header" << TLOG_ENDL;
410 if (sendto(table_socket_, &packet[0], packetSize, 0, reinterpret_cast<struct sockaddr *>(&send_tables_addr_),
sizeof(send_tables_addr_)) < 0)
412 TLOG_ERROR(name_) <<
"Error sending request message data" << TLOG_ENDL;
417 auto first = packet[0].sequence_id;
418 auto last = packet.rbegin()->sequence_id;
419 TLOG_DEBUG(name_) <<
"Expecting acks to have first= " << std::to_string(first) <<
", and last= " << std::to_string(last) << TLOG_ENDL;
422 auto startTime = std::chrono::steady_clock::now();
423 while (std::count_if(acks.begin(), acks.end(), [](std::pair<int, bool> p) {
return !p.second; }) > 0)
425 auto table_ack_wait_time_ms = current_table_interval_ms_ / max_ack_cycle_count_;
426 if (TimeUtils::GetElapsedTimeMilliseconds(startTime) > table_ack_wait_time_ms)
428 if (counter > max_ack_cycle_count_ && table_update_count_ > 0)
430 TLOG_ERROR(name_) <<
"Did not receive acks from all senders after resending table " << std::to_string(counter)
431 <<
" times during the table_update_interval. Check the status of the senders!" << TLOG_ENDL;
434 TLOG_WARNING(name_) <<
"Did not receive acks from all senders within the table_ack_wait_time. Resending table update" << TLOG_ENDL;
438 TLOG_ARB(20, name_) <<
"send_event_table: Polling Request socket for new requests" << TLOG_ENDL;
445 if (errno == EWOULDBLOCK || errno == EAGAIN)
447 TLOG_ARB(20, name_) <<
"send_event_table: No more ack datagrams on ack socket." << TLOG_ENDL;
452 TLOG_ERROR(name_) <<
"An unexpected error occurred during ack packet receive" << TLOG_ENDL;
458 TLOG_DEBUG(name_) <<
"Ack packet from rank " << buffer.
rank <<
" has first= " << std::to_string(buffer.
first_sequence_id)
462 TLOG_DEBUG(name_) <<
"Received table update acknowledgement from sender with rank " << std::to_string(buffer.
rank) <<
"." << TLOG_ENDL;
463 acks[buffer.
rank] =
true;
464 TLOG_DEBUG(name_) <<
"There are now " << std::count_if(acks.begin(), acks.end(), [](std::pair<int, bool> p) {
return !p.second; })
465 <<
" acks outstanding" << TLOG_ENDL;
469 if (!acks.count(buffer.
rank))
471 TLOG_ERROR(name_) <<
"Received acknowledgement from invalid rank " << buffer.
rank <<
"!"
472 <<
" Cross-talk between RoutingMasters means there's a configuration error!" << TLOG_ENDL;
476 TLOG_WARNING(name_) <<
"Received acknowledgement from rank " << buffer.
rank
477 <<
" that had incorrect sequence ID information. Discarding." << TLOG_ENDL;
482 usleep(table_ack_wait_time_ms * 1000 / 10);
487 artdaq::TimeUtils::seconds delta = std::chrono::steady_clock::now() - start_time;
488 metricMan->sendMetric(
"Avg Table Acknowledge Time", delta.count(),
"seconds", 3, MetricMode::Average);
492 void artdaq::RoutingMasterCore::receive_tokens_()
494 while (!shutdown_requested_)
496 TLOG_DEBUG(name_) <<
"Receive Token loop start" << TLOG_ENDL;
497 if (token_socket_ == -1)
499 TLOG_DEBUG(name_) <<
"Opening token listener socket" << TLOG_ENDL;
502 if (token_epoll_fd_ != -1) close(token_epoll_fd_);
503 struct epoll_event ev;
504 token_epoll_fd_ = epoll_create1(0);
505 ev.events = EPOLLIN | EPOLLPRI;
506 ev.data.fd = token_socket_;
507 if (epoll_ctl(token_epoll_fd_, EPOLL_CTL_ADD, token_socket_, &ev) == -1)
509 TLOG_ERROR(name_) <<
"Could not register listen socket to epoll fd" << TLOG_ENDL;
513 if (token_socket_ == -1 || token_epoll_fd_ == -1)
515 TLOG_DEBUG(name_) <<
"One of the listen sockets was not opened successfully." << TLOG_ENDL;
519 auto nfds = epoll_wait(token_epoll_fd_, &receive_token_events_[0], receive_token_events_.size(), current_table_interval_ms_);
522 perror(
"epoll_wait");
526 TLOG_DEBUG(name_) <<
"Received " << std::to_string(nfds) <<
" events" << TLOG_ENDL;
527 for (
auto n = 0; n < nfds; ++n)
529 if (receive_token_events_[n].data.fd == token_socket_)
531 TLOG_DEBUG(name_) <<
"Accepting new connection on token_socket" << TLOG_ENDL;
533 socklen_t arglen =
sizeof(addr);
534 auto conn_sock = accept(token_socket_, (
struct sockaddr *)&addr, &arglen);
542 receive_token_addrs_[conn_sock] = std::string(inet_ntoa(addr.sin_addr));
543 struct epoll_event ev;
544 ev.events = EPOLLIN | EPOLLET;
545 ev.data.fd = conn_sock;
546 if (epoll_ctl(token_epoll_fd_, EPOLL_CTL_ADD, conn_sock, &ev) == -1)
548 perror(
"epoll_ctl: conn_sock");
554 auto startTime = artdaq::MonitoredQuantity::getCurrentTime();
555 detail::RoutingToken buff;
556 auto sts = read(receive_token_events_[n].data.fd, &buff,
sizeof(detail::RoutingToken));
557 if (sts !=
sizeof(detail::RoutingToken) || buff.header != TOKEN_MAGIC)
559 TLOG_ERROR(name_) <<
"Received invalid token from " << receive_token_addrs_[receive_token_events_[n].data.fd] << TLOG_ENDL;
563 TLOG_DEBUG(name_) <<
"Received token from " << std::to_string(buff.rank) <<
" indicating " << buff.new_slots_free <<
" slots are free." << TLOG_ENDL;
564 received_token_count_ += buff.new_slots_free;
567 policy_->AddReceiverToken(buff.rank, buff.new_slots_free);
571 if (!received_token_counter_.count(buff.rank)) received_token_counter_[buff.rank] = 0;
572 received_token_counter_[buff.rank] += buff.new_slots_free;
573 TLOG_DEBUG(name_) <<
"RoutingMasterMode is RouteBySendCount. I have " << received_token_counter_[buff.rank] <<
" tokens for rank " << buff.rank <<
" and I need " << sender_ranks_.size() <<
"." << TLOG_ENDL;
574 while (received_token_counter_[buff.rank] >= sender_ranks_.size())
576 TLOG_DEBUG(name_) <<
"RoutingMasterMode is RouteBySendCount. I have " << received_token_counter_[buff.rank] <<
" tokens for rank " << buff.rank <<
" and I need " << sender_ranks_.size()
577 <<
"... Sending token to policy" << TLOG_ENDL;
578 policy_->AddReceiverToken(buff.rank, 1);
579 received_token_counter_[buff.rank] -= sender_ranks_.size();
583 auto delta_time = artdaq::MonitoredQuantity::getCurrentTime() - startTime;
584 statsHelper_.addSample(TOKENS_RECEIVED_STAT_KEY, delta_time);
591 void artdaq::RoutingMasterCore::start_recieve_token_thread_()
593 if (ev_token_receive_thread_.joinable()) ev_token_receive_thread_.join();
594 TLOG_INFO(name_) <<
"Starting Token Reception Thread" << TLOG_ENDL;
595 ev_token_receive_thread_ = boost::thread(&RoutingMasterCore::receive_tokens_,
this);
600 std::string resultString;
603 auto tmpString = name_ +
" run number = " + std::to_string(run_id_.run())
604 +
", table updates sent = " + std::to_string(table_update_count_)
605 +
", Receiver tokens received = " + std::to_string(received_token_count_);
609 std::string artdaq::RoutingMasterCore::buildStatisticsString_()
const
611 std::ostringstream oss;
612 oss << name_ <<
" statistics:" << std::endl;
614 auto mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(TABLE_UPDATES_STAT_KEY);
615 if (mqPtr.get() !=
nullptr)
617 artdaq::MonitoredQuantityStats stats;
618 mqPtr->getStats(stats);
619 oss <<
" Table Update statistics: "
620 << stats.recentSampleCount <<
" table updates sent at "
621 << stats.recentSampleRate <<
" table updates/sec, , monitor window = "
622 << stats.recentDuration <<
" sec" << std::endl;
623 oss <<
" Average times per table update: ";
624 if (stats.recentSampleRate > 0.0)
626 oss <<
" elapsed time = "
627 << (1.0 / stats.recentSampleRate) <<
" sec";
629 oss <<
", avg table acknowledgement wait time = "
630 << (mqPtr->getRecentValueSum() / sender_ranks_.size()) <<
" sec" << std::endl;
633 mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(TOKENS_RECEIVED_STAT_KEY);
634 if (mqPtr.get() !=
nullptr)
636 artdaq::MonitoredQuantityStats stats;
637 mqPtr->getStats(stats);
638 oss <<
" Received Token statistics: "
639 << stats.recentSampleCount <<
" tokens received at "
640 << stats.recentSampleRate <<
" tokens/sec, , monitor window = "
641 << stats.recentDuration <<
" sec" << std::endl;
642 oss <<
" Average times per token: ";
643 if (stats.recentSampleRate > 0.0)
645 oss <<
" elapsed time = "
646 << (1.0 / stats.recentSampleRate) <<
" sec";
648 oss <<
", input token wait time = "
649 << mqPtr->getRecentValueSum() <<
" sec" << std::endl;
655 void artdaq::RoutingMasterCore::sendMetrics_()
657 auto mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(TABLE_UPDATES_STAT_KEY);
658 if (mqPtr.get() !=
nullptr)
660 artdaq::MonitoredQuantityStats stats;
661 mqPtr->getStats(stats);
662 metricMan_.sendMetric(
"Table Update Count", static_cast<unsigned long>(stats.fullSampleCount),
"updates", 1, MetricMode::Accumulate);
663 metricMan_.sendMetric(
"Table Update Rate", stats.recentSampleRate,
"updates/sec", 1, MetricMode::Average);
664 metricMan_.sendMetric(
"Average Sender Acknowledgement Time", (mqPtr->getRecentValueSum() / sender_ranks_.size()),
"seconds", 3, MetricMode::Average);
667 mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(TOKENS_RECEIVED_STAT_KEY);
668 if (mqPtr.get() !=
nullptr)
670 artdaq::MonitoredQuantityStats stats;
671 mqPtr->getStats(stats);
672 metricMan_.sendMetric(
"Receiver Token Count", static_cast<unsigned long>(stats.fullSampleCount),
"updates", 1, MetricMode::Accumulate);
673 metricMan_.sendMetric(
"Receiver Token Rate", stats.recentSampleRate,
"updates/sec", 1, MetricMode::Average);
674 metricMan_.sendMetric(
"Total Receiver Token Wait Time", mqPtr->getRecentValueSum(),
"seconds", 3, MetricMode::Average);
bool resume(uint64_t, uint64_t)
Resumes the RoutingMasterCore.
size_t process_event_table()
Main loop of the RoutingMasterCore. Determines when to send the next table update, asks the RoutingMasterPolicy for the table to send, and sends it.
void addMonitoredQuantityName(std::string const &statKey)
Add a MonitoredQuantity name to the list.
int ResolveHost(char const *host_in, in_addr &addr)
Convert a string hostname to a in_addr suitable for socket communication.
bool soft_initialize(fhicl::ParameterSet const &pset, uint64_t timeout, uint64_t timestamp)
Soft-Initializes the RoutingMasterCore.
static const std::string TOKENS_RECEIVED_STAT_KEY
Key for the Tokens Received MonitoredQuantity.
A row of the Routing Table.
bool reinitialize(fhicl::ParameterSet const &pset, uint64_t timeout, uint64_t timestamp)
Reinitializes the RoutingMasterCore.
bool start(art::RunID id, uint64_t, uint64_t)
Start the RoutingMasterCore.
A RoutingAckPacket contains the rank of the table receiver, plus the first and last sequence IDs in t...
RoutingMasterCore(int rank, std::string name)
RoutingMasterCore Constructor.
Events should be routed by sequence ID (BR -> EB)
bool initialize(fhicl::ParameterSet const &pset, uint64_t, uint64_t)
Processes the initialize request.
The RoutingToken contains the magic bytes, the rank of the token sender, and the number of slots free...
int TCP_listen_fd(int port, int rcvbuf)
Create a TCP listening socket on the given port and INADDR_ANY, with the given receive buffer...
Fragment::sequence_id_t first_sequence_id
The first sequence ID in the received RoutingPacket.
bool pause(uint64_t, uint64_t)
Pauses the RoutingMasterCore.
Fragment::sequence_id_t last_sequence_id
The last sequence ID in the received RoutingPacket.
std::vector< RoutingPacketEntry > RoutingPacket
A RoutingPacket is simply a vector of RoutingPacketEntry objects. It is not suitable for network tran...
bool stop(uint64_t, uint64_t)
Stops the RoutingMasterCore.
int rank
The rank from which the RoutingAckPacket came.
std::unique_ptr< RoutingMasterPolicy > makeRoutingMasterPolicy(std::string const &policy_plugin_spec, fhicl::ParameterSet const &ps)
Load a RoutingMasterPolicy plugin.
std::string report(std::string const &) const
Send a report on the current status of the RoutingMasterCore.
static const std::string TABLE_UPDATES_STAT_KEY
Key for Table Update count MonnitoredQuantity.
bool shutdown(uint64_t)
Shuts Down the RoutingMasterCore.
void send_event_table(detail::RoutingPacket table)
Sends a detail::RoutingPacket to the table receivers.
Events should be routed by send count (EB -> Agg)