RealTimeDataLogger.h

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/* A data logger for real-time simulation data logging.
 *
 * Author: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
 * SPDX-FileCopyrightText: 2024 Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <filesystem>
#include <fstream>
#include <iostream>
#include <map>
#include <system_error>
 
#include <dpsim-models/Attribute.h>
#include <dpsim-models/PtrFactory.h>
#include <dpsim-models/SimNode.h>
#include <dpsim-models/Task.h>
#include <dpsim/DataLoggerInterface.h>
#include <dpsim/Definitions.h>
#include <dpsim/Scheduler.h>
 
namespace DPsim {
 
class RealTimeDataLogger : public DataLoggerInterface,
                           public SharedFactory<RealTimeDataLogger> {
 
protected:
  std::filesystem::path mFilename;
  size_t mRowNumber;
  size_t mCurrentRow;
  size_t mCurrentAttribute;
 
  std::vector<std::vector<Real>> mAttributeData;
 
public:
  typedef std::shared_ptr<RealTimeDataLogger> Ptr;
 
  RealTimeDataLogger(std::filesystem::path &filename, Real finalTime,
                     Real timeStep);
  RealTimeDataLogger(std::filesystem::path &filename, size_t rowNumber);
 
  virtual void start() override;
  virtual void stop() override;
 
  virtual void log(Real time, Int timeStepCount) override;
 
  virtual CPS::Task::Ptr getTask() override;
 
  class Step : public CPS::Task {
  public:
    Step(RealTimeDataLogger &logger)
        : Task("RealTimeDataLogger.Write"), mLogger(logger) {
      for (auto attr : logger.mAttributes) {
        mAttributeDependencies.push_back(attr.second);
      }
      mModifiedAttributes.push_back(Scheduler::external);
    }
 
    void execute(Real time, Int timeStepCount);
 
  private:
    RealTimeDataLogger &mLogger;
  };
};
} // namespace DPsim