void HelloProtocol::sendScheduledInterest(uint32_t seconds) { std::list<Adjacent> adjList = m_nlsr.getAdjacencyList().getAdjList(); for (std::list<Adjacent>::iterator it = adjList.begin(); it != adjList.end(); ++it) { // If this adjacency has a Face, just proceed as usual. if((*it).getFaceId() != 0) { /* interest name: /<neighbor>/NLSR/INFO/<router> */ ndn::Name interestName = (*it).getName() ; interestName.append(NLSR_COMPONENT); interestName.append(INFO_COMPONENT); interestName.append(m_nlsr.getConfParameter().getRouterPrefix().wireEncode()); expressInterest(interestName, m_nlsr.getConfParameter().getInterestResendTime()); } // If it does not have a Face, we need to give it one. A // successful registration prompts a callback that sends the hello // Interest to the new Face. else { registerPrefixes((*it).getName(), (*it).getConnectingFaceUri(), (*it).getLinkCost(), ndn::time::milliseconds::max()); } } scheduleInterest(m_nlsr.getConfParameter().getInfoInterestInterval()); }
void HelloProtocol::processInterest(const ndn::Name& name, const ndn::Interest& interest) { /* interest name: /<neighbor>/NLSR/INFO/<router> */ const ndn::Name interestName = interest.getName(); _LOG_DEBUG("Interest Received for Name: " << interestName); if (interestName.get(-2).toUri() != INFO_COMPONENT) { return; } ndn::Name neighbor; neighbor.wireDecode(interestName.get(-1).blockFromValue()); _LOG_DEBUG("Neighbor: " << neighbor); if (m_nlsr.getAdjacencyList().isNeighbor(neighbor)) { ndn::shared_ptr<ndn::Data> data = ndn::make_shared<ndn::Data>(); data->setName(ndn::Name(interest.getName()).appendVersion()); data->setFreshnessPeriod(ndn::time::seconds(10)); // 10 sec data->setContent(reinterpret_cast<const uint8_t*>(INFO_COMPONENT.c_str()), INFO_COMPONENT.size()); m_nlsr.getKeyChain().sign(*data, m_nlsr.getDefaultCertName()); _LOG_DEBUG("Sending out data for name: " << interest.getName()); m_nlsr.getNlsrFace().put(*data); Adjacent *adjacent = m_nlsr.getAdjacencyList().findAdjacent(neighbor); // If this neighbor was previously inactive, send our own hello interest, too if (adjacent->getStatus() == Adjacent::STATUS_INACTIVE) { // We can only do that if the neighbor currently has a face. if(adjacent->getFaceId() != 0){ /* interest name: /<neighbor>/NLSR/INFO/<router> */ ndn::Name interestName(neighbor); interestName.append(NLSR_COMPONENT); interestName.append(INFO_COMPONENT); interestName.append(m_nlsr.getConfParameter().getRouterPrefix().wireEncode()); expressInterest(interestName, m_nlsr.getConfParameter().getInterestResendTime()); } // If the originator of the Interest currently lacks a Face, we // need to give it one. else { registerPrefixes(adjacent->getName(), adjacent->getConnectingFaceUri(), adjacent->getLinkCost(), ndn::time::milliseconds::max()); } } } }
void HelloProtocol::processInterest(const ndn::Name& name, const ndn::Interest& interest) { /* interest name: /<neighbor>/NLSR/INFO/<router> */ const ndn::Name interestName = interest.getName(); _LOG_DEBUG("Interest Received for Name: " << interestName); if (interestName.get(-2).toUri() != INFO_COMPONENT) { return; } ndn::Name neighbor; neighbor.wireDecode(interestName.get(-1).blockFromValue()); _LOG_DEBUG("Neighbor: " << neighbor); if (m_nlsr.getAdjacencyList().isNeighbor(neighbor)) { ndn::shared_ptr<ndn::Data> data = ndn::make_shared<ndn::Data>(); data->setName(ndn::Name(interest.getName()).appendVersion()); data->setFreshnessPeriod(ndn::time::seconds(10)); // 10 sec data->setContent(reinterpret_cast<const uint8_t*>(INFO_COMPONENT.c_str()), INFO_COMPONENT.size()); m_nlsr.getKeyChain().sign(*data, m_nlsr.getDefaultCertName()); _LOG_DEBUG("Sending out data for name: " << interest.getName()); m_nlsr.getNlsrFace().put(*data); Adjacent *adjacent = m_nlsr.getAdjacencyList().findAdjacent(neighbor); if (adjacent->getStatus() == 0) { if(adjacent->getFaceId() != 0){ /* interest name: /<neighbor>/NLSR/INFO/<router> */ ndn::Name interestName(neighbor); interestName.append(NLSR_COMPONENT); interestName.append(INFO_COMPONENT); interestName.append(m_nlsr.getConfParameter().getRouterPrefix().wireEncode()); expressInterest(interestName, m_nlsr.getConfParameter().getInterestResendTime()); } else { registerPrefixes(adjacent->getName(), adjacent->getConnectingFaceUri(), adjacent->getLinkCost(), ndn::time::milliseconds::max()); } } } }
void HelloProtocol::sendScheduledInterest(uint32_t seconds) { std::list<Adjacent> adjList = m_nlsr.getAdjacencyList().getAdjList(); for (std::list<Adjacent>::iterator it = adjList.begin(); it != adjList.end(); ++it) { if((*it).getFaceId() != 0) { /* interest name: /<neighbor>/NLSR/INFO/<router> */ ndn::Name interestName = (*it).getName() ; interestName.append(NLSR_COMPONENT); interestName.append(INFO_COMPONENT); interestName.append(m_nlsr.getConfParameter().getRouterPrefix().wireEncode()); expressInterest(interestName, m_nlsr.getConfParameter().getInterestResendTime()); } else { registerPrefixes((*it).getName(), (*it).getConnectingFaceUri(), (*it).getLinkCost(), ndn::time::milliseconds::max()); } } scheduleInterest(m_nlsr.getConfParameter().getInfoInterestInterval()); }