eive-obsw/mission/com/VirtualChannel.h

#pragma once

#include <fsfw/objectmanager/SystemObject.h>
#include <linux/ipcore/PtmeIF.h>
#include <linux/ipcore/VirtualChannelIF.h>

#include <atomic>
#include <string>

/**
 * @brief   This class represents a virtual channel. Sending a tm message to an object of this class
 *          will forward the tm packet to the respective virtual channel of the PTME IP Core.
 *
 * @author  J. Meier
 */
class VirtualChannel : public SystemObject, public VirtualChannelIF {
 public:
  static constexpr uint8_t CLASS_ID = CLASS_ID::VIRTUAL_CHANNEL;

  static constexpr ReturnValue_t CHANNEL_DOES_NOT_EXIST = returnvalue::makeCode(CLASS_ID, 0);

  /**
   * @brief   Constructor
   *
   * @param vcId  The virtual channel id assigned to this object
   * @param tmQueueDepth  Queue depth of queue receiving telemetry from other objects
   */
  VirtualChannel(object_id_t objectId, uint8_t vcId, const char* vcName, PtmeIF& ptme,
                 const std::atomic_bool& linkStateProvider);

  ReturnValue_t initialize() override;
  ReturnValue_t sendNextTm(const uint8_t* data, size_t size, size_t& writtenSize);
  bool isBusy() const override;
  ReturnValue_t write(const uint8_t* data, size_t size, size_t& writtenSize) override;
  ReturnValue_t finishWrite(const uint8_t* data, size_t start, size_t remainingSize) override;
  ReturnValue_t handleLastWriteSynchronously(const uint8_t* data, size_t start, size_t remLen,
                                             unsigned maxDelayMs);
  void cancelTransfer() override;
  uint8_t getVcid() const;
  bool isTxOn() const;

  const char* getName() const;

 private:
  PtmeIF& ptme;
  uint8_t vcId = 0;
  std::string vcName;
  const std::atomic_bool& txOn;
};