1 #define TRACE_NAME "RequestSender"
2 #include "artdaq/DAQdata/Globals.hh"
3 #include "artdaq/DAQrate/RequestSender.hh"
12 #include "cetlib_except/exception.h"
13 #include "artdaq-core/Core/StatisticsCollection.hh"
14 #include "artdaq-core/Core/SimpleMemoryReader.hh"
15 #include "artdaq/DAQrate/detail/RoutingPacket.hh"
21 : send_requests_(pset.get<bool>(
"send_requests", false))
23 , request_address_(pset.get<std::string>(
"request_address",
"227.128.12.26"))
24 , request_port_(pset.get<int>(
"request_port", 3001))
25 , request_delay_(pset.get<size_t>(
"request_delay_ms", 10) * 1000)
26 , request_shutdown_timeout_us_(pset.get<size_t>(
"request_shutdown_timeout_us", 100000))
27 , multicast_out_addr_(pset.get<std::string>(
"multicast_interface_ip", pset.get<std::string>(
"output_address",
"0.0.0.0")))
28 , request_mode_(detail::RequestMessageMode::Normal)
32 TLOG(TLVL_DEBUG) <<
"RequestSender CONSTRUCTOR";
35 auto rmConfig = pset.get<fhicl::ParameterSet>(
"routing_token_config", fhicl::ParameterSet());
36 send_routing_tokens_ = rmConfig.get<
bool>(
"use_routing_master",
false);
37 token_port_ = rmConfig.get<
int>(
"routing_token_port", 35555);
38 token_address_ = rmConfig.get<std::string>(
"routing_master_hostname",
"localhost");
40 TLOG(12) <<
"artdaq::RequestSender::RequestSender ctor - reader_thread_ initialized";
46 TLOG(TLVL_INFO) <<
"Shutting down RequestSender: Waiting for requests to be sent";
48 auto start_time = std::chrono::steady_clock::now();
50 while (request_sending_ > 0 && request_shutdown_timeout_us_ > TimeUtils::GetElapsedTimeMicroseconds(start_time))
54 TLOG(TLVL_INFO) <<
"Shutting down RequestSender";
55 if (request_socket_ > 0)
57 shutdown(request_socket_, 2);
58 close(request_socket_);
60 if (token_socket_ > 0)
62 shutdown(token_socket_, 2);
75 RequestSender::setup_requests_()
79 request_socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
80 if (request_socket_ < 0)
82 TLOG(TLVL_ERROR) <<
"I failed to create the socket for sending Data Requests! err=" << strerror(errno);
85 int sts =
ResolveHost(request_address_.c_str(), request_port_, request_addr_);
88 TLOG(TLVL_ERROR) <<
"Unable to resolve Data Request address, err=" << strerror(errno);
92 if (multicast_out_addr_ ==
"0.0.0.0")
94 multicast_out_addr_.reserve(HOST_NAME_MAX);
95 sts = gethostname(&multicast_out_addr_[0], HOST_NAME_MAX);
98 TLOG(TLVL_ERROR) <<
"Could not get current hostname, err=" << strerror(errno);
103 if (multicast_out_addr_ !=
"localhost")
110 TLOG(TLVL_ERROR) <<
"Unable to resolve multicast interface address, err=" << strerror(errno);
114 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_IF, &addr,
sizeof(addr)) == -1)
116 TLOG(TLVL_ERROR) <<
"Cannot set outgoing interface, err=" << strerror(errno);
121 if (setsockopt(request_socket_, SOL_SOCKET, SO_REUSEADDR, &yes,
sizeof(yes)) < 0)
123 TLOG(TLVL_ERROR) <<
"Unable to enable port reuse on request socket, err=" << strerror(errno);
126 if (setsockopt(request_socket_, IPPROTO_IP, IP_MULTICAST_LOOP, &yes,
sizeof(yes)) < 0)
128 TLOG(TLVL_ERROR) <<
"Unable to enable multicast loopback on request socket, err=" << strerror(errno);
131 if (setsockopt(request_socket_, SOL_SOCKET, SO_BROADCAST, (
void*)&yes,
sizeof(
int)) == -1)
133 TLOG(TLVL_ERROR) <<
"Cannot set request socket to broadcast, err=" << strerror(errno);
140 RequestSender::setup_tokens_()
142 if (send_routing_tokens_)
144 TLOG(TLVL_DEBUG) <<
"Creating Routing Token sending socket";
146 while (retry > 0 && token_socket_ < 0)
148 token_socket_ =
TCPConnect(token_address_.c_str(), token_port_);
149 if (token_socket_ < 0) usleep(100000);
152 if (token_socket_ < 0)
154 TLOG(TLVL_ERROR) <<
"I failed to create the socket for sending Routing Tokens! err=" << strerror(errno);
157 TLOG(TLVL_DEBUG) <<
"Routing Token sending socket created successfully";
161 void RequestSender::do_send_request_()
163 if (!send_requests_)
return;
164 if (request_socket_ == -1) setup_requests_();
166 TLOG(TLVL_TRACE) <<
"Waiting for " << request_delay_ <<
" microseconds.";
167 std::this_thread::sleep_for(std::chrono::microseconds(request_delay_));
169 TLOG(TLVL_TRACE) <<
"Creating RequestMessage";
170 detail::RequestMessage message;
172 std::lock_guard<std::mutex> lk(request_mutex_);
173 for (
auto& req : active_requests_)
175 TLOG(12,
"RequestSender") <<
"Adding a request with sequence ID " << req.first <<
", timestamp " << req.second;
176 message.addRequest(req.first, req.second);
179 TLOG(TLVL_TRACE) <<
"Setting mode flag in Message Header";
180 message.header()->mode = request_mode_;
181 char str[INET_ADDRSTRLEN];
182 inet_ntop(AF_INET, &(request_addr_.sin_addr), str, INET_ADDRSTRLEN);
183 std::lock_guard<std::mutex> lk2(request_send_mutex_);
184 TLOG(TLVL_TRACE) <<
"Sending request for " << message.size() <<
" events to multicast group " << str;
185 if (sendto(request_socket_, message.header(),
sizeof(detail::RequestHeader), 0, (
struct sockaddr *)&request_addr_,
sizeof(request_addr_)) < 0)
187 TLOG(TLVL_ERROR) <<
"Error sending request message header err=" << strerror(errno);
193 while (sent <
sizeof(detail::RequestPacket) * message.size())
195 ssize_t thisSent = sendto(request_socket_, reinterpret_cast<uint8_t*>(message.buffer()) + sent,
sizeof(detail::RequestPacket) * message.size() - sent, 0, (
struct sockaddr *)&request_addr_,
sizeof(request_addr_));
198 TLOG(TLVL_ERROR) <<
"Error sending request message data err=" << strerror(errno);
199 request_socket_ = -1;
205 TLOG(TLVL_TRACE) <<
"Done sending request";
209 void RequestSender::send_routing_token_(
int nSlots)
211 TLOG(TLVL_TRACE) <<
"send_routing_token_ called, send_routing_tokens_=" << std::boolalpha << send_routing_tokens_;
212 if (!send_routing_tokens_)
return;
213 if (token_socket_ == -1) setup_tokens_();
214 detail::RoutingToken token;
215 token.header = TOKEN_MAGIC;
216 token.rank = my_rank;
217 token.new_slots_free = nSlots;
219 TLOG(TLVL_TRACE) <<
"Sending RoutingToken to " << token_address_ <<
":" << token_port_;
221 while (sts <
sizeof(detail::RoutingToken))
223 auto res = send(token_socket_, reinterpret_cast<uint8_t*>(&token) + sts,
sizeof(detail::RoutingToken) - sts, 0);
231 TLOG(TLVL_TRACE) <<
"Done sending RoutingToken to " << token_address_ <<
":" << token_port_;
236 if (!send_routing_tokens_)
return;
237 boost::thread token([=] { send_routing_token_(nSlots); });
244 if (!send_requests_)
return;
247 boost::thread request([=] { do_send_request_(); });
254 std::lock_guard<std::mutex> lk(request_mutex_);
255 if (!active_requests_.count(seqID)) active_requests_[seqID] = timestamp;
262 std::lock_guard<std::mutex> lk(request_mutex_);
263 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.
int GetInterfaceForNetwork(char const *host_in, in_addr &addr)
Convert an IP address to the network address of the interface sharing the subnet mask.
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.