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_SRC_GENERICRECEIVERCONCEPT_HPP_
       9              : #define ASIOLIBS_SRC_GENERICRECEIVERCONCEPT_HPP_
      10              : 
      11              : #include "iomanager/Receiver.hpp"
      12              : 
      13              : #include <memory>
      14              : 
      15              : namespace dunedaq::asiolibs {
      16              : 
      17              : class GenericReceiverConcept
      18              : {
      19              : public: 
      20              :     struct TypeErasedPayload {
      21              :       /**
      22              :        * @brief Keeps the payload's memory alive
      23              :        */          
      24              :       std::shared_ptr<const void> owner;
      25              :       /**
      26              :        * @brief Pointer to payload bytes
      27              :        */     
      28              :       const void* data;
      29              :       /**
      30              :        * @brief Number of bytes
      31              :        */     
      32              :       std::size_t size;
      33              :     };
      34              : 
      35            0 :     virtual ~GenericReceiverConcept() = default;
      36              :     virtual std::optional<TypeErasedPayload> try_receive(dunedaq::iomanager::Receiver::timeout_t timeout) = 0;
      37              : };   
      38              : 
      39              : } // namespace dunedaq::asiolibs
      40              : 
      41              : #endif // ASIOLIBS_SRC_GENERICRECEIVERCONCEPT_HPP_