NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.0: NDN, CCN, CCNx, content centric networks 		API Documentation
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command-interest-generator.hpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
22 #ifndef NDN_HELPERS_COMMAND_INTEREST_GENERATOR_HPP
23 #define NDN_HELPERS_COMMAND_INTEREST_GENERATOR_HPP
24 
25 #include "../interest.hpp"
26 #include "../security/key-chain.hpp"
27 #include "../util/time.hpp"
28 #include "../util/random.hpp"
29 
30 namespace ndn {
31 
40 class CommandInterestGenerator
41 {
42 public:
43  static const Name DEFAULT_CERTIFICATE_NAME;
44 
45  CommandInterestGenerator()
46  : m_lastTimestamp(time::toUnixTimestamp(time::system_clock::now()))
47  {
48  }
49 
50  virtual
51  ~CommandInterestGenerator()
52  {
53  }
54 
55  void
56  generate(Interest& interest, const Name& certificateName = Name());
57 
58  void
59  generateWithIdentity(Interest& interest, const Name& identity);
60 
61 private:
62  time::milliseconds m_lastTimestamp;
63  KeyChain m_keyChain;
64 };
65 
66 
67 inline void
68 CommandInterestGenerator::generate(Interest& interest,
69  const Name& certificateName /*= Name()*/)
70 {
71  if (certificateName.empty())
72  m_keyChain.sign(interest);
73  else
74  m_keyChain.sign(interest,
75  security::SigningInfo(security::SigningInfo::SIGNER_TYPE_CERT,
76  certificateName));
77 }
78 
79 inline void
80 CommandInterestGenerator::generateWithIdentity(Interest& interest, const Name& identity)
81 {
82  m_keyChain.sign(interest,
83  security::SigningInfo(security::SigningInfo::SIGNER_TYPE_ID, identity));
84 }
85 
86 
87 } // namespace ndn
88 
89 #endif // NDN_HELPERS_COMMAND_INTEREST_GENERATOR_HPP
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition: ndn-strategy-choice-helper.hpp:34
ndn::CommandInterestGenerator::generate
void generate(Interest &interest, const Name &certificateName=Name())
Definition: command-interest-generator.hpp:68
ndn::CommandInterestGenerator
Helper class to generate CommandInterests.
Definition: command-interest-generator.hpp:40
ndn::Interest
represents an Interest packet
Definition: interest.hpp:45
ndn::security::SigningInfo
Signing parameters passed to KeyChain.
Definition: signing-info.hpp:36
ndn::Name
Name abstraction to represent an absolute name.
Definition: name.hpp:46
ndn::security::SigningInfo::SIGNER_TYPE_CERT
signer is a certificate, use it directly
Definition: signing-info.hpp:57
ndn::time::toUnixTimestamp
milliseconds toUnixTimestamp(const system_clock::TimePoint &point)
Convert system_clock::TimePoint to UNIX timestamp.
Definition: time.cpp:118
ndn::Name::empty
bool empty() const
Check if name is emtpy.
Definition: name.hpp:398
ndn::security::SigningInfo::SIGNER_TYPE_ID
signer is an identity, use its default key and default certificate
Definition: signing-info.hpp:53
ndn::CommandInterestGenerator::generateWithIdentity
void generateWithIdentity(Interest &interest, const Name &identity)
Definition: command-interest-generator.hpp:80