key-locator.hpp
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21 
22 #ifndef NDN_KEY_LOCATOR_HPP
23 #define NDN_KEY_LOCATOR_HPP
24 
25 #include "ndn-cxx/name.hpp"
27 
28 namespace ndn {
29 
31 {
32 public:
33  class Error : public tlv::Error
34  {
35  public:
36  using tlv::Error::Error;
37  };
38 
39  enum Type {
42  KeyLocator_None = 65535,
52  };
53 
54 public: // constructors
57  KeyLocator();
58 
61  explicit
62  KeyLocator(const Block& wire);
63 
67  KeyLocator(const Name& name);
68 
69 public: // encode and decode
73  template<encoding::Tag TAG>
74  size_t
75  wireEncode(EncodingImpl<TAG>& encoder) const;
76 
79  const Block&
80  wireEncode() const;
81 
86  void
87  wireDecode(const Block& wire);
88 
89 public: // attributes
90  bool
91  empty() const
92  {
93  return m_type == KeyLocator_None;
94  }
95 
96  Type
97  getType() const
98  {
99  return m_type;
100  }
101 
106  KeyLocator&
107  clear();
108 
112  const Name&
113  getName() const;
114 
119  KeyLocator&
120  setName(const Name& name);
121 
125  const Block&
126  getKeyDigest() const;
127 
133  KeyLocator&
134  setKeyDigest(const Block& keyDigest);
135 
140  KeyLocator&
141  setKeyDigest(const ConstBufferPtr& keyDigest);
142 
143 public: // EqualityComparable concept
144  bool
145  operator==(const KeyLocator& other) const;
146 
147  bool
148  operator!=(const KeyLocator& other) const
149  {
150  return !this->operator==(other);
151  }
152 
153 private:
154  Type m_type;
155  Name m_name;
156  Block m_keyDigest;
157 
158  mutable Block m_wire;
159 };
160 
162 
163 std::ostream&
164 operator<<(std::ostream& os, const KeyLocator& keyLocator);
165 
166 } // namespace ndn
167 
168 #endif // NDN_KEY_LOCATOR_HPP
Definition: data.cpp:26
std::ostream & operator<<(std::ostream &os, const Data &data)
Definition: data.cpp:321
KeyLocator & setName(const Name &name)
set Name element
void wireDecode(const Block &wire)
decode from wire encoding
Definition: key-locator.cpp:96
KeyLocator & setKeyDigest(const Block &keyDigest)
set KeyDigest element
Represents a TLV element of NDN packet format.
Definition: block.hpp:42
KeyLocator()
construct an empty KeyLocator
Definition: key-locator.cpp:35
indicates KeyLocator contains a Name
Definition: key-locator.hpp:45
#define NDN_CXX_DECLARE_WIRE_ENCODE_INSTANTIATIONS(ClassName)
const Name & getName() const
get Name element
const Block & getKeyDigest() const
get KeyDigest element
Type getType() const
Definition: key-locator.hpp:97
bool empty() const
Definition: key-locator.hpp:91
indicates KeyLocator is empty (internal use only)
Definition: key-locator.hpp:42
Represents an absolute name.
Definition: name.hpp:43
indicates KeyLocator contains an unknown element
Definition: key-locator.hpp:51
KeyLocator & clear()
clear KeyLocator
const Block & wireEncode() const
Definition: key-locator.cpp:80
indicates KeyLocator contains a KeyDigest
Definition: key-locator.hpp:48
bool operator==(const KeyLocator &other) const
bool operator!=(const KeyLocator &other) const
Error(const char *expectedType, uint32_t actualType)
Definition: tlv.cpp:27
represents an error in TLV encoding or decoding
Definition: tlv.hpp:52
shared_ptr< const Buffer > ConstBufferPtr
Definition: buffer.hpp:126