Line data    Source code

       1              : /**
       2              :  * @file GenericReceiverConcept.hpp Generic IOManager Receiver concept
       3              :  *
       4              :  * This is part of the DUNE DAQ , copyright 2020.
       5              :  * Licensing/copyright details are in the COPYING file that you should have
       6              :  * received with this code.
       7              :  */
       8              : #ifndef ASIOLIBS_PLUGINS_GENERICRECEIVERCONCEPT_HPP_
       9              : #define ASIOLIBS_PLUGINS_GENERICRECEIVERCONCEPT_HPP_
      10              : 
      11              : #include "iomanager/Receiver.hpp"
      12              : 
      13              : namespace dunedaq::asiolibs {
      14              : 
      15              : class GenericReceiverConcept
      16              : {
      17              : public: 
      18              :     struct TypeErasedPayload {
      19              :       /**
      20              :        * @brief Keeps the payload's memory alive
      21              :        */          
      22              :       std::shared_ptr<const void> owner;
      23              :       /**
      24              :        * @brief Pointer to payload bytes
      25              :        */     
      26              :       const void* data;
      27              :       /**
      28              :        * @brief Number of bytes
      29              :        */     
      30              :       std::size_t size;
      31              :     };
      32              : 
      33            0 :     virtual ~GenericReceiverConcept() = default;
      34              :     virtual std::optional<TypeErasedPayload> try_receive(dunedaq::iomanager::Receiver::timeout_t timeout) = 0;
      35              : };   
      36              : 
      37              : } // namespace dunedaq::asiolibs
      38              : 
      39              : #endif // ASIOLIBS_PLUGINS_GENERICRECEIVERCONCEPT_HPP_