ndnlp-slicer.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_DAEMON_FACE_NDNLP_SLICER_HPP
#define NFD_DAEMON_FACE_NDNLP_SLICER_HPP

#include "ndnlp-tlv.hpp"
#include "ndnlp-sequence-generator.hpp"

namespace nfd {
namespace ndnlp {

typedef shared_ptr<std::vector<Block>> PacketArray;

class Slicer : noncopyable
{
public:
  explicit
  Slicer(size_t mtu);

  virtual
  ~Slicer();

  PacketArray
  slice(const Block& block);

private:
  template<bool T>
  size_t
  encodeFragment(ndn::EncodingImpl<T>& blk,
                 uint64_t seq, uint16_t fragIndex, uint16_t fragCount,
                 const uint8_t* payload, size_t payloadSize);

  void
  estimateOverhead();

private:
  SequenceGenerator m_seqgen;

  size_t m_mtu;

  size_t m_maxPayload;
};

} // namespace ndnlp
} // namespace nfd

#endif // NFD_DAEMON_FACE_NDNLP_SLICER_HPP