00001 #ifndef ARTDAQ_DAQRATE_REQUEST_RECEVIER_HH
00002 #define ARTDAQ_DAQRATE_REQUEST_RECEVIER_HH
00003
00004 #include <boost/thread.hpp>
00005 #include "artdaq-core/Data/Fragment.hh"
00006 #include "fhiclcpp/ParameterSet.h"
00007 #include "fhiclcpp/types/Atom.h"
00008 #if MESSAGEFACILITY_HEX_VERSION >= 0x20103
00009 #include "fhiclcpp/types/ConfigurationTable.h"
00010 #endif
00011
00012 #include <mutex>
00013 #include <condition_variable>
00014
00015 namespace artdaq
00016 {
00017 class RequestReceiver
00018 {
00019 public:
00020
00021 struct Config
00022 {
00023 fhicl::Atom<int> request_port{ fhicl::Name{"request_port"}, fhicl::Comment{"Port to listen for request messages on"}, 3001 };
00024 fhicl::Atom<std::string> request_addr{ fhicl::Name{"request_address"}, fhicl::Comment{"Multicast address to listen for request messages on"}, "227.128.12.26" };
00025 fhicl::Atom<std::string> output_address{ fhicl::Name{ "multicast_interface_ip" }, fhicl::Comment{ "Use this hostname for multicast (to assign to the proper NIC)" }, "0.0.0.0" };
00026 fhicl::Atom<size_t> end_of_run_timeout_ms{ fhicl::Name{"end_of_run_quiet_timeout_ms"}, fhicl::Comment{"Amount of time (in ms) to wait for no new requests when a Stop transition is pending"}, 1000 };
00027 };
00028 #if MESSAGEFACILITY_HEX_VERSION >= 0x20103
00029 using Parameters = fhicl::WrappedTable<Config>;
00030 #endif
00031
00032 RequestReceiver();
00033 RequestReceiver(const fhicl::ParameterSet& ps);
00034 virtual ~RequestReceiver();
00035
00039 void setupRequestListener();
00040
00044 void stopRequestReceiverThread();
00045
00049 void startRequestReceiverThread();
00050
00054 void receiveRequestsLoop();
00055
00056 std::map<artdaq::Fragment::sequence_id_t, artdaq::Fragment::timestamp_t> GetRequests() const
00057 {
00058 std::unique_lock<std::mutex> lk(request_mutex_);
00059 std::map<artdaq::Fragment::sequence_id_t, Fragment::timestamp_t> out;
00060 for (auto& in : requests_)
00061 {
00062 out[in.first] = in.second;
00063 }
00064 return out;
00065 }
00066
00067 void RemoveRequest(artdaq::Fragment::sequence_id_t reqID);
00068
00069 bool isRunning() { return running_; }
00070
00071 void ClearRequests()
00072 {
00073 std::unique_lock<std::mutex> lk(request_mutex_);
00074 requests_.clear();
00075 }
00076
00077 size_t size() { return requests_.size(); }
00078
00079 bool WaitForRequests(int timeout_ms)
00080 {
00081 std::unique_lock<std::mutex> lk(request_mutex_);
00082 return request_cv_.wait_for(lk, std::chrono::milliseconds(timeout_ms), [this]() { return requests_.size() > 0; });
00083 }
00084 private:
00085
00086
00087 int request_port_;
00088 std::string request_addr_;
00089 std::string multicast_out_addr_;
00090 bool running_;
00091
00092
00093 int request_socket_;
00094 std::map<artdaq::Fragment::sequence_id_t, artdaq::Fragment::timestamp_t> requests_;
00095 std::map<artdaq::Fragment::sequence_id_t, std::chrono::steady_clock::time_point> request_timing_;
00096 std::atomic<bool> request_stop_requested_;
00097 std::chrono::steady_clock::time_point request_stop_timeout_;
00098 std::atomic<bool> request_received_;
00099 size_t end_of_run_timeout_ms_;
00100 std::atomic<bool> should_stop_;
00101 mutable std::mutex request_mutex_;
00102 mutable std::mutex state_mutex_;
00103 std::condition_variable request_cv_;
00104 boost::thread requestThread_;
00105
00106 std::atomic<artdaq::Fragment::sequence_id_t> highest_seen_request_;
00107 };
00108 }
00109
00110
00111 #endif //ARTDAQ_DAQRATE_REQUEST_RECEVIER_HH