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/fwd.h"
00007
00008 #include <mutex>
00009 #include <condition_variable>
00010
00011 namespace artdaq
00012 {
00013 class RequestReceiver
00014 {
00015 public:
00016 RequestReceiver();
00017 RequestReceiver(const fhicl::ParameterSet& ps);
00018 virtual ~RequestReceiver();
00019
00023 void setupRequestListener();
00024
00028 void startRequestReceiverThread();
00029
00033 void receiveRequestsLoop();
00034
00035 std::map<artdaq::Fragment::sequence_id_t, artdaq::Fragment::timestamp_t> GetRequests() const
00036 {
00037 std::unique_lock<std::mutex> lk(request_mutex_);
00038 std::map<artdaq::Fragment::sequence_id_t, Fragment::timestamp_t> out;
00039 for (auto& in : requests_) {
00040 out[in.first] = in.second;
00041 }
00042 return out;
00043 }
00044
00045 void RemoveRequest(artdaq::Fragment::sequence_id_t reqID);
00046
00047 bool isRunning() { return running_; }
00048
00049 void ClearRequests() {
00050 std::unique_lock<std::mutex> lk(request_mutex_);
00051 requests_.clear();
00052 }
00053
00054 size_t size() { return requests_.size(); }
00055
00056 bool WaitForRequests(int timeout_ms) {
00057 std::unique_lock<std::mutex> lk(request_mutex_);
00058 return request_cv_.wait_for(lk, std::chrono::milliseconds(timeout_ms), [this]() {return requests_.size() > 0; });
00059 }
00060 private:
00061
00062
00063 int request_port_;
00064 std::string request_addr_;
00065 bool running_;
00066
00067
00068 int request_socket_;
00069 std::map<artdaq::Fragment::sequence_id_t, artdaq::Fragment::timestamp_t> requests_;
00070 std::atomic<bool> request_stop_requested_;
00071 std::chrono::steady_clock::time_point request_stop_timeout_;
00072 std::atomic<bool> request_received_;
00073 size_t end_of_run_timeout_ms_;
00074 std::atomic<bool> should_stop_;
00075 mutable std::mutex request_mutex_;
00076 std::condition_variable request_cv_;
00077 boost::thread requestThread_;
00078
00079 artdaq::Fragment::sequence_id_t highest_seen_request_;
00080 };
00081 }
00082
00083
00084 #endif //ARTDAQ_DAQRATE_REQUEST_RECEVIER_HH