1 #include "artdaq/DAQdata/Globals.hh"
2 #define TRACE_NAME (app_name + "_RequestSender").c_str()
10 #include "artdaq/DAQrate/detail/RequestSender.hh"
12 #include "artdaq-core/Core/StatisticsCollection.hh"
14 #include "artdaq/DAQrate/detail/RoutingPacket.hh"
15 #include "cetlib_except/exception.h"
19 : send_requests_(pset.get<bool>(
"send_requests", false))
21 , request_address_(pset.get<std::string>(
"request_address",
"227.128.12.26"))
22 , request_port_(pset.get<int>(
"request_port", 3001))
23 , request_delay_(pset.get<size_t>(
"request_delay_ms", 0) * 1000)
24 , request_shutdown_timeout_us_(pset.get<size_t>(
"request_shutdown_timeout_us", 100000))
26 , multicast_out_addr_(pset.get<std::string>(
"multicast_interface_ip", pset.get<std::string>(
"output_address",
"0.0.0.0")))
27 , request_mode_(detail::RequestMessageMode::Normal)
28 , min_request_interval_ms_(pset.get<size_t>(
"min_request_interval_ms", 100))
32 TLOG(TLVL_DEBUG) <<
"RequestSender CONSTRUCTOR pset=" << pset.to_string();
35 TLOG(TLVL_DEBUG + 35) <<
"artdaq::RequestSender::RequestSender ctor - reader_thread_ initialized";
41 TLOG(TLVL_INFO) <<
"Shutting down RequestSender: Waiting for " << request_sending_.load() <<
" requests to be sent";
43 auto start_time = std::chrono::steady_clock::now();
45 while (request_sending_.load() > 0 && request_shutdown_timeout_us_ + request_delay_ > TimeUtils::GetElapsedTimeMicroseconds(start_time))
50 std::lock_guard<std::mutex> lk(request_mutex_);
51 std::lock_guard<std::mutex> lk2(request_send_mutex_);
53 TLOG(TLVL_INFO) <<
"Shutting down RequestSender: request_socket_: " << request_socket_;
54 if (request_socket_ != -1)
56 if (shutdown(request_socket_, 2) != 0 && errno == ENOTSOCK)
58 TLOG(TLVL_ERROR) <<
"Shutdown of request_socket_ resulted in ENOTSOCK. NOT Closing file descriptor!";
62 close(request_socket_);
71 std::lock_guard<std::mutex> lk(request_mutex_);
77 void RequestSender::setup_requests_()
81 request_socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
82 if (request_socket_ < 0)
84 TLOG(TLVL_ERROR) <<
"I failed to create the socket for sending Data Requests! err=" << strerror(errno);
87 int sts =
ResolveHost(request_address_.c_str(), request_port_, request_addr_);
90 TLOG(TLVL_ERROR) <<
"Unable to resolve Data Request address, err=" << strerror(errno);
107 if (multicast_out_addr_ !=
"localhost" && multicast_out_addr_ !=
"0.0.0.0")
114 TLOG(TLVL_ERROR) <<
"Unable to determine the multicast interface address for " << multicast_out_addr_ <<
", err=" << strerror(errno);
117 char addr_str[INET_ADDRSTRLEN];
118 inet_ntop(AF_INET, &(addr), addr_str, INET_ADDRSTRLEN);
119 TLOG(TLVL_INFO) <<
"Successfully determined the multicast network interface for " << multicast_out_addr_ <<
": " << addr_str;
121 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_IF, &addr,
sizeof(addr)) == -1)
123 TLOG(TLVL_ERROR) <<
"Cannot set outgoing interface, err=" << strerror(errno);
128 if (setsockopt(request_socket_, SOL_SOCKET, SO_REUSEADDR, &yes,
sizeof(yes)) < 0)
130 TLOG(TLVL_ERROR) <<
"Unable to enable port reuse on request socket, err=" << strerror(errno);
133 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_LOOP, &yes,
sizeof(yes)) < 0)
135 TLOG(TLVL_ERROR) <<
"Unable to enable multicast loopback on request socket, err=" << strerror(errno);
138 if (setsockopt(request_socket_, SOL_SOCKET, SO_BROADCAST, &yes,
sizeof(yes)) == -1)
140 TLOG(TLVL_ERROR) <<
"Cannot set request socket to broadcast, err=" << strerror(errno);
146 void RequestSender::do_send_request_()
153 if (request_socket_ == -1)
158 TLOG(TLVL_DEBUG + 33) <<
"Waiting for " << request_delay_ <<
" microseconds.";
159 std::this_thread::sleep_for(std::chrono::microseconds(request_delay_));
161 TLOG(TLVL_DEBUG + 33) <<
"Creating RequestMessage";
162 detail::RequestMessage message;
163 message.setRank(my_rank);
164 message.setRunNumber(run_number_);
166 std::lock_guard<std::mutex> lk(request_mutex_);
167 for (
auto& req : active_requests_)
169 TLOG(TLVL_DEBUG + 36) <<
"Adding a request with sequence ID " << req.first <<
", timestamp " << req.second <<
" to request message";
170 message.addRequest(req.first, req.second);
172 TLOG(TLVL_DEBUG + 33) <<
"Setting mode flag in Message Header to " <<
static_cast<int>(request_mode_);
173 message.setMode(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(TLVL_DEBUG + 33) <<
"Sending request for " << message.size() <<
" events to multicast group " << str
179 <<
", port " << request_port_ <<
", interface " << multicast_out_addr_;
180 auto buf = message.GetMessage();
181 auto sts = sendto(request_socket_, &buf[0], buf.size(), 0,
reinterpret_cast<struct sockaddr*
>(&request_addr_),
sizeof(request_addr_));
182 if (sts < 0 || static_cast<size_t>(sts) != buf.size())
184 TLOG(TLVL_ERROR) <<
"Error sending request message err=" << strerror(errno) <<
"sts=" << sts;
185 request_socket_ = -1;
189 TLOG(TLVL_DEBUG + 33) <<
"Done sending request sts=" << sts;
195 while (!initialized_)
205 std::lock_guard<std::mutex> lk(request_mutex_);
211 last_request_send_time_ = std::chrono::steady_clock::now();
213 boost::thread request([=] { do_send_request_(); });
219 while (!initialized_)
225 std::lock_guard<std::mutex> lk(request_mutex_);
226 if (active_requests_.count(seqID) == 0u)
228 TLOG(TLVL_DEBUG + 37) <<
"Adding request for sequence ID " << seqID <<
" and timestamp " << timestamp <<
" to request list.";
229 active_requests_[seqID] = timestamp;
234 TLOG(TLVL_WARNING) <<
"Erasing request with seqID " << active_requests_.begin()->first <<
" due to over-large request list size! (" << active_requests_.size() <<
" / " <<
detail::RequestMessage::max_request_count() <<
")";
235 active_requests_.erase(active_requests_.begin());
238 SendRequest(TimeUtils::GetElapsedTimeMilliseconds(last_request_send_time_) < min_request_interval_ms_);
243 while (!initialized_)
247 std::lock_guard<std::mutex> lk(request_mutex_);
248 TLOG(TLVL_DEBUG + 38) <<
"Removing request for sequence ID " << seqID <<
" from request list.";
249 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.
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.
int GetInterfaceForNetwork(char const *host_in, in_addr &addr)
Convert an IP address to the network address of the interface sharing the subnet mask.
static size_t max_request_count()
Get the maximum number of requests that can be sent in a single RequestMessage.
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.