.. _program_listing_file_processors_eventsync_eventsync.hpp:

Program Listing for File eventsync.hpp
======================================

|exhale_lsh| :ref:`Return to documentation for file <file_processors_eventsync_eventsync.hpp>` (``processors/eventsync/eventsync.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // This file is part of falcon-core.
   //
   // Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
   //
   // Falcon-server is free software: you can redistribute it and/or modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation, either version 3 of the License, or
   // (at your option) any later version.
   //
   // Falcon-server is distributed in the hope that it will be useful,
   // but WITHOUT ANY WARRANTY; without even the implied warranty of
   // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   // GNU General Public License for more details.
   //
   // You should have received a copy of the GNU General Public License
   // along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
   // ---------------------------------------------------------------------
   
   #pragma once
   
   #include <string>
   
   #include "eventdata/eventdata.hpp"
   #include "iprocessor.hpp"
   #include "utilities/general.hpp"
   #include "utilities/time.hpp"
   
   class EventSync : public IProcessor {
     // CONSTRUCTOR and OVERLOADED METHODS
    public:
     EventSync();
     void CreatePorts() override;
     void Process(ProcessingContext &context) override;
     void Postprocess(ProcessingContext &context) override;
   
     // METHODS
    protected:
     /* Keep in memory the latest source and hardware timestamps
      * @input data_in Current event data from the input port
      */
     void update_latest_ts(EventType::Data *data_in);
   
     /*
      * During post-processing, log as info if all counters are consistent
      * and as warning if not, all counters used: number of events received,
      * with the number of targeted, and non-target and finally reset them.
      *
      * @input port_name name of the input port
      * @input counter counter structure with three counters to log (all_received,
      * target, non_target)
      */
     void log_and_reset_counters(std::string port_name, EventCounter &counter);
   
     // DATA PORTS
    protected:
     PortIn<EventType> *data_in_port_;
     PortOut<EventType> *data_out_port_;
   
     // variables
    protected:
     EventCounter event_counter_;
     uint64_t n_events_synced_;
     TimestampRegister timestamps_;
   
     // OPTIONS
    protected:
     options::Value<EventType::Data, false> target_event_{
         DEFAULT_EVENT, options::notempty<EventType::Data>()};
   };