1 #include "artdaq/DAQdata/Globals.hh"
2 #include "artdaq/DAQrate/RequestSender.hh"
11 #include "cetlib_except/exception.h"
12 #include "artdaq-core/Core/StatisticsCollection.hh"
13 #include "artdaq-core/Core/SimpleMemoryReader.hh"
14 #include "artdaq/DAQrate/detail/RoutingPacket.hh"
21 : send_requests_(pset.get<bool>(
"send_requests", false))
23 , request_port_(pset.get<int>(
"request_port", 3001))
24 , request_delay_(pset.get<size_t>(
"request_delay_ms", 10) * 1000)
25 , request_shutdown_timeout_us_(pset.get<size_t>(
"request_shutdown_timeout_us", 100000))
26 , multicast_out_addr_(pset.get<std::string>(
"output_address",
"0.0.0.0"))
27 , request_mode_(detail::RequestMessageMode::Normal)
30 TLOG_DEBUG(
"RequestSender") <<
"RequestSender CONSTRUCTOR" << TLOG_ENDL;
31 setup_requests_(pset.get<std::string>(
"request_address",
"227.128.12.26"));
33 auto rmConfig = pset.get<fhicl::ParameterSet>(
"routing_token_config", fhicl::ParameterSet());
34 send_routing_tokens_ = rmConfig.get<
bool>(
"use_routing_master",
false);
35 token_port_ = rmConfig.get<
int>(
"routing_token_port", 35555);
36 token_address_ = rmConfig.get<std::string>(
"routing_master_hostname",
"localhost");
38 TRACE(12,
"artdaq::RequestSender::RequestSender ctor - reader_thread_ initialized");
44 TLOG_TRACE(
"RequestSender") <<
"Shutting down RequestSender: Waiting for requests to be sent" << TLOG_ENDL;
46 auto start_time = std::chrono::steady_clock::now();
48 while (request_sending_ && request_shutdown_timeout_us_ > TimeUtils::GetElapsedTimeMicroseconds(start_time))
52 TLOG_TRACE(
"RequestSender") <<
"Shutting down RequestSender" << TLOG_ENDL;
53 if (request_socket_ > 0)
55 shutdown(request_socket_, 2);
56 close(request_socket_);
58 if (token_socket_ > 0)
60 shutdown(token_socket_, 2);
73 RequestSender::setup_requests_(std::string request_address)
77 request_socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
78 if (request_socket_ < 0)
80 TLOG_ERROR(
"RequestSender") <<
"I failed to create the socket for sending Data Requests! err=" << strerror(errno) << TLOG_ENDL;
83 int sts =
ResolveHost(request_address.c_str(), request_port_, request_addr_);
86 TLOG_ERROR(
"RequestSender") <<
"Unable to resolve Data Request address, err=" << strerror(errno) << TLOG_ENDL;
90 if (multicast_out_addr_ ==
"0.0.0.0")
92 multicast_out_addr_.reserve(HOST_NAME_MAX);
93 sts = gethostname(&multicast_out_addr_[0], HOST_NAME_MAX);
96 TLOG_ERROR(
"RequestSender") <<
"Could not get current hostname, err=" << strerror(errno) << TLOG_ENDL;
101 if (multicast_out_addr_ !=
"localhost")
104 sts =
ResolveHost(multicast_out_addr_.c_str(), addr);
107 TLOG_ERROR(
"RequestSender") <<
"Unable to resolve multicast interface address, err=" << strerror(errno) << TLOG_ENDL;
112 if (setsockopt(request_socket_, SOL_SOCKET, SO_REUSEADDR, &yes,
sizeof(yes)) < 0)
114 TLOG_ERROR(
"RequestSender") <<
"Unable to enable port reuse on request socket, err=" << strerror(errno) << TLOG_ENDL;
117 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_LOOP, &yes,
sizeof(yes)) < 0)
119 TLOG_ERROR(
"RequestSender") <<
"Unable to enable multicast loopback on request socket, err=" << strerror(errno) << TLOG_ENDL;
122 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_IF, &addr,
sizeof(addr)) == -1)
124 TLOG_ERROR(
"RequestSender") <<
"Cannot set outgoing interface, err=" << strerror(errno) << TLOG_ENDL;
129 if (setsockopt(request_socket_, SOL_SOCKET, SO_BROADCAST, (
void*)&yes,
sizeof(
int)) == -1)
131 TLOG_ERROR(
"RequestSender") <<
"Cannot set request socket to broadcast, err=" << strerror(errno) << TLOG_ENDL;
138 RequestSender::setup_tokens_()
140 if (send_routing_tokens_)
142 TLOG_DEBUG(
"RequestSender") <<
"Creating Routing Token sending socket" << TLOG_ENDL;
144 while (retry > 0 && token_socket_ < 0) {
145 token_socket_ =
TCPConnect(token_address_.c_str(), token_port_);
146 if (token_socket_ < 0) usleep(100000);
149 if (token_socket_ < 0)
151 TLOG_ERROR(
"RequestSender") <<
"I failed to create the socket for sending Routing Tokens! err=" << strerror(errno) << TLOG_ENDL;
154 TLOG_DEBUG(
"RequestSender") <<
"Routing Token sending socket created successfully" << TLOG_ENDL;
158 void RequestSender::do_send_request_()
160 if (!send_requests_)
return;
161 TLOG_TRACE(
"RequestSender") <<
"Waiting for " << request_delay_ <<
" microseconds." << TLOG_ENDL;
162 std::this_thread::sleep_for(std::chrono::microseconds(request_delay_));
164 TLOG_TRACE(
"RequestSender") <<
"Creating RequestMessage" << TLOG_ENDL;
165 detail::RequestMessage message;
167 std::lock_guard<std::mutex> lk(request_mutex_);
168 for (
auto& req : active_requests_)
170 message.addRequest(req.first, req.second);
173 TLOG_TRACE(
"RequestSender") <<
"Setting mode flag in Message Header" << TLOG_ENDL;
174 message.header()->mode = request_mode_;
175 char str[INET_ADDRSTRLEN];
176 inet_ntop(AF_INET, &(request_addr_.sin_addr), str, INET_ADDRSTRLEN);
177 std::lock_guard<std::mutex> lk2(request_send_mutex_);
178 TLOG_TRACE(
"RequestSender") <<
"Sending request for " << std::to_string(message.size()) <<
" events to multicast group " << str << TLOG_ENDL;
179 if (sendto(request_socket_, message.header(),
sizeof(detail::RequestHeader), 0, (
struct sockaddr *)&request_addr_,
sizeof(request_addr_)) < 0)
181 TLOG_ERROR(
"RequestSender") <<
"Error sending request message header err=" << strerror(errno) << TLOG_ENDL;
183 if (sendto(request_socket_, message.buffer(),
sizeof(detail::RequestPacket) * message.size(), 0, (
struct sockaddr *)&request_addr_,
sizeof(request_addr_)) < 0)
185 TLOG_ERROR(
"RequestSender") <<
"Error sending request message data err=" << strerror(errno) << TLOG_ENDL;
187 request_sending_ =
false;
190 void RequestSender::send_routing_token_(
int nSlots)
192 TLOG_TRACE(
"RequestSender") <<
"send_routing_token_ called, send_routing_tokens_=" << std::boolalpha << send_routing_tokens_ << TLOG_ENDL;
193 if (!send_routing_tokens_)
return;
194 if (token_socket_ == -1) setup_tokens_();
195 detail::RoutingToken token;
196 token.header = TOKEN_MAGIC;
197 token.rank = my_rank;
198 token.new_slots_free = nSlots;
200 TLOG_TRACE(
"RequestSender") <<
"Sending RoutingToken to " << token_address_ <<
":" << token_port_ << TLOG_ENDL;
202 while (sts <
sizeof(detail::RoutingToken))
204 auto res = send(token_socket_, reinterpret_cast<uint8_t*>(&token) + sts,
sizeof(detail::RoutingToken) - sts, 0);
212 TLOG_TRACE(
"RequestSender") <<
"Done sending RoutingToken to " << token_address_ <<
":" << token_port_ << TLOG_ENDL;
217 if (!send_routing_tokens_)
return;
218 boost::thread token([=] {send_routing_token_(nSlots); });
225 if (!send_requests_)
return;
227 request_sending_ =
true;
228 boost::thread request([=] { do_send_request_(); });
235 std::lock_guard<std::mutex> lk(request_mutex_);
236 if (!active_requests_.count(seqID)) active_requests_[seqID] = timestamp;
243 std::lock_guard<std::mutex> lk(request_mutex_);
244 active_requests_.erase(seqID);
void RemoveRequest(Fragment::sequence_id_t seqID)
Remove a request from the request list.
int ResolveHost(char const *host_in, in_addr &addr)
Convert a string hostname to a in_addr suitable for socket communication.
int TCPConnect(char const *host_in, int dflt_port, long flags=0, int sndbufsiz=0)
Connect to a host on a given port.
End of Run mode (Used to end request processing on receiver)
virtual ~RequestSender()
RequestSender Destructor.
void SendRequest(bool endOfRunOnly=false)
Send a request message containing all current requests.
void SendRoutingToken(int nSlots)
Send a RoutingToken message indicating that slots are available.
RequestSender()=delete
Default Constructor is deleted.
void SetRequestMode(detail::RequestMessageMode mode)
Set the mode for RequestMessages. Used to indicate when RequestSender should enter "EndOfRun" mode...
RequestMessageMode
Mode used to indicate current run conditions to the request receiver.
void AddRequest(Fragment::sequence_id_t seqID, Fragment::timestamp_t timestamp)
Add a request to the request list.