NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
certificate-fetcher-direct-fetch.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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21 
23 #include "face.hpp"
24 #include "lp/tags.hpp"
25 
26 namespace ndn {
27 namespace security {
28 namespace v2 {
29 
32 {
33 }
34 
35 void
36 CertificateFetcherDirectFetch::doFetch(const shared_ptr<CertificateRequest>& keyRequest,
37  const shared_ptr<ValidationState>& state,
38  const ValidationContinuation& continueValidation)
39 {
40  auto interestState = dynamic_pointer_cast<InterestValidationState>(state);
41  uint64_t incomingFaceId = 0;
42  if (interestState != nullptr) {
43  auto incomingFaceIdTag = interestState->getOriginalInterest().getTag<lp::IncomingFaceIdTag>();
44  if (incomingFaceIdTag != nullptr) {
45  incomingFaceId = incomingFaceIdTag->get();
46  }
47  }
48  else {
49  auto dataState = dynamic_pointer_cast<DataValidationState>(state);
50  auto incomingFaceIdTag = dataState->getOriginalData().getTag<lp::IncomingFaceIdTag>();
51  if (incomingFaceIdTag != nullptr) {
52  incomingFaceId = incomingFaceIdTag->get();
53  }
54  }
55  if (incomingFaceId != 0) {
56  Interest directInterest(keyRequest->m_interest);
57  directInterest.refreshNonce();
58  directInterest.setTag(make_shared<lp::NextHopFaceIdTag>(incomingFaceId));
59  m_face.expressInterest(directInterest, nullptr, nullptr, nullptr);
60  }
61 
62  // send infrastructure Interest
63  CertificateFetcherFromNetwork::doFetch(keyRequest, state, continueValidation);
64 }
65 
66 } // namespace v2
67 } // namespace security
68 } // namespace ndn
void setTag(shared_ptr< T > tag) const
set a tag item
Definition: tag-host.hpp:80
Copyright (c) 2011-2015 Regents of the University of California.
shared_ptr< T > getTag() const
get a tag item
Definition: tag-host.hpp:67
void refreshNonce()
Change nonce value.
Definition: interest.cpp:462
Represents an Interest packet.
Definition: interest.hpp:42
std::function< void(const Certificate &cert, const shared_ptr< ValidationState > &state)> ValidationContinuation
Validation state for a data packet.
void doFetch(const shared_ptr< CertificateRequest > &keyRequest, const shared_ptr< ValidationState > &state, const ValidationContinuation &continueValidation) override
Asynchronous certificate fetching implementation.
provides a tag type for simple types
Definition: tag.hpp:58
Validation state for an interest packet.
Provide a communication channel with local or remote NDN forwarder.
Definition: face.hpp:90
const T & get() const
Definition: tag.hpp:86
const PendingInterestId * expressInterest(const Interest &interest, const DataCallback &afterSatisfied, const NackCallback &afterNacked, const TimeoutCallback &afterTimeout)
Express Interest.
Definition: face.cpp:132
void doFetch(const shared_ptr< CertificateRequest > &certRequest, const shared_ptr< ValidationState > &state, const ValidationContinuation &continueValidation) override
Asynchronous certificate fetching implementation.