NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
nack-header.hpp
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21  * @author Eric Newberry <enewberry@email.arizona.edu>
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23 
24 #ifndef NDN_CXX_LP_NACK_HEADER_HPP
25 #define NDN_CXX_LP_NACK_HEADER_HPP
26 
29 #include "ndn-cxx/lp/tlv.hpp"
30 
31 namespace ndn {
32 namespace lp {
33 
37 enum class NackReason {
38  NONE = 0,
39  CONGESTION = 50,
40  DUPLICATE = 100,
41  NO_ROUTE = 150
42 };
43 
44 std::ostream&
45 operator<<(std::ostream& os, NackReason reason);
46 
51 bool
53 
58 {
59 public:
60  NackHeader();
61 
62  explicit
63  NackHeader(const Block& block);
64 
65  template<encoding::Tag TAG>
66  size_t
67  wireEncode(EncodingImpl<TAG>& encoder) const;
68 
69  const Block&
70  wireEncode() const;
71 
72  void
73  wireDecode(const Block& wire);
74 
75 public: // reason
81  getReason() const;
82 
87  NackHeader&
88  setReason(NackReason reason);
89 
90 private:
91  NackReason m_reason;
92  mutable Block m_wire;
93 };
94 
96 
97 } // namespace lp
98 } // namespace ndn
99 
100 #endif // NDN_CXX_LP_NACK_HEADER_HPP
NDN_CXX_DECLARE_WIRE_ENCODE_INSTANTIATIONS(CachePolicy)
Copyright (c) 2011-2015 Regents of the University of California.
NackHeader & setReason(NackReason reason)
set reason code
const Block & wireEncode() const
Definition: nack-header.cpp:86
Represents a TLV element of NDN packet format.
Definition: block.hpp:42
void wireDecode(const Block &wire)
NackReason
indicates the reason type of a network NACK
Definition: nack-header.hpp:37
NackReason getReason() const
std::ostream & operator<<(std::ostream &os, CachePolicyType policy)
bool isLessSevere(lp::NackReason x, lp::NackReason y)
compare NackReason for severity
Definition: nack-header.cpp:50
represents a Network NACK header
Definition: nack-header.hpp:57