// After we create a new Face, we need to set it up for use. This
// function sets the controlling strategy, registers prefixes in
// sync, broadcast, and LSA.
void
HelloProtocol::onRegistrationSuccess(const ndn::nfd::ControlParameters& commandSuccessResult,
const ndn::Name& neighbor,const ndn::time::milliseconds& timeout)
{
Adjacent *adjacent = m_nlsr.getAdjacencyList().findAdjacent(neighbor);
if (adjacent != 0) {
adjacent->setFaceId(commandSuccessResult.getFaceId());
ndn::Name broadcastKeyPrefix = DEFAULT_BROADCAST_PREFIX;
broadcastKeyPrefix.append("KEYS");
std::string faceUri = adjacent->getConnectingFaceUri();
double linkCost = adjacent->getLinkCost();
m_nlsr.getFib().registerPrefix(m_nlsr.getConfParameter().getChronosyncPrefix(),
faceUri, linkCost, timeout,
ndn::nfd::ROUTE_FLAG_CAPTURE, 0);
m_nlsr.getFib().registerPrefix(m_nlsr.getConfParameter().getLsaPrefix(),
faceUri, linkCost, timeout,
ndn::nfd::ROUTE_FLAG_CAPTURE, 0);
m_nlsr.getFib().registerPrefix(broadcastKeyPrefix,
faceUri, linkCost, timeout,
ndn::nfd::ROUTE_FLAG_CAPTURE, 0);
// Sends a Hello Interest to determine status before the next scheduled.
/* 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());
}
}
void
fetchFibEnumerationInformation()
{
Name interestName("/localhost/nfd/fib/list");
Interest interest(interestName);
interest.setChildSelector(1);
interest.setMustBeFresh(true);
m_face.expressInterest(
interest,
func_lib::bind(&NfdStatus::onData, this, _1, _2, "FIBDataRequest"),
func_lib::bind(&NfdStatus::onTimeout, this, _1, "FIBDataRequest"));
}
void
HelloProtocol::onRegistrationSuccess(const ndn::nfd::ControlParameters& commandSuccessResult,
const ndn::Name& neighbor)
{
Adjacent *adjacent = m_nlsr.getAdjacencyList().findAdjacent(neighbor);
if (adjacent != 0) {
adjacent->setFaceId(commandSuccessResult.getFaceId());
/* 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());
}
}
ndn::Interest
createInterestPacket()
{
ndn::Name interestName(m_prefixName);
ndn::Interest interestPacket(interestName);
if (m_mustBeFresh)
interestPacket.setMustBeFresh(true);
if (m_isChildSelectorRightmost)
interestPacket.setChildSelector(1);
if (m_minSuffixComponents >= 0)
interestPacket.setMinSuffixComponents(m_minSuffixComponents);
if (m_maxSuffixComponents >= 0)
interestPacket.setMaxSuffixComponents(m_maxSuffixComponents);
if (m_interestLifetime < ndn::time::milliseconds::zero())
interestPacket.setInterestLifetime(getDefaultInterestLifetime());
else
interestPacket.setInterestLifetime(m_interestLifetime);
return interestPacket;
}
BOOST_FIXTURE_TEST_CASE(SegmentZero, Fixture)
{
int nNacks = 2;
ndn::Name interestName("ndn:/A");
SegmentFetcher::fetch(face,
Interest(interestName),
make_shared<ValidatorNull>(),
bind(&Fixture::onComplete, this, _1),
bind(&Fixture::onError, this, _1));
advanceClocks(time::milliseconds(1000));
for (uint64_t segmentNo = 0; segmentNo <= 3; segmentNo++) {
if (segmentNo == 1) {
while (nNacks--) {
nackLastInterest(lp::NackReason::CONGESTION);
advanceClocks(time::milliseconds(10));
}
}
auto data = makeDataSegment(interestName, segmentNo, segmentNo == 3);
face.receive(*data);
advanceClocks(time::milliseconds(10));
}
// Total number of sent interests should be 6: one interest for segment zero and segment one each,
// two re-expressed interests for segment one after getting nack twice, and two interests for
// segment two and three
BOOST_REQUIRE_EQUAL(face.sentInterests.size(), 6);
BOOST_CHECK_EQUAL(face.sentInterests[0].getName(), ndn::Name("ndn:/A"));
BOOST_CHECK_EQUAL(face.sentInterests[1].getName(), ndn::Name("ndn:/A/%00%01"));
BOOST_CHECK_EQUAL(face.sentInterests[2].getName(), ndn::Name("ndn:/A/%00%01"));
BOOST_CHECK_EQUAL(face.sentInterests[3].getName(), ndn::Name("ndn:/A/%00%01"));
BOOST_CHECK_EQUAL(face.sentInterests[4].getName(), ndn::Name("ndn:/A/%00%02"));
BOOST_CHECK_EQUAL(face.sentInterests[5].getName(), ndn::Name("ndn:/A/%00%03"));
}
void
onInterest(const ndn::Name& name, const ndn::Interest& interest)
{
ndn::Name interestName(interest.getName());
if(DEBUG)
std::cout << "received interest: " << interest.getName() << std::endl;
//run scripts if requested by server
ndn::Name cmpName(getFilter()+SCRIPT_SUFFIX);
int num_components = cmpName.size();
if(cmpName.isPrefixOf(interestName))
{
int numberOfComponents = interestName.size();
for(int i = num_components; i < numberOfComponents; ++i)
{
m_scriptsList.push_front(interestName[i].toUri());
}
runScripts(interestName);
}
else
{
int numberOfComponents = interestName.size();
if(!m_remoteLinks.empty())
{
std::cerr << "remote links list is not empty - check for a missing reports!!" << std::endl;
m_remoteLinks.clear();
}
for(int i = name.size(); i < numberOfComponents; ++i)
{
m_remoteLinks.insert(interestName[i].toUri());
}
// ask for local status
fetchFaceStatusInformation(interestName);
}
}
void
generateTraffic( const boost::system::error_code& errorCode,
boost::asio::deadline_timer* deadlineTimer )
{
if ((interestCount_ < 0) || (totalInterestSent_ < interestCount_))
{
int trafficKey, patternId, cumulativePercentage;
std::srand(std::time(0));
trafficKey = std::rand() % 100;
cumulativePercentage = 0;
for (patternId=0; patternId<trafficPattern_.size(); patternId++)
{
cumulativePercentage += trafficPattern_[patternId].trafficPercentage;
if (trafficKey <= cumulativePercentage)
{
Name interestName(trafficPattern_[patternId].name);
if (trafficPattern_[patternId].nameAppendBytes > 0)
interestName.append(getRandomByteString(trafficPattern_[patternId].nameAppendBytes));
if (trafficPattern_[patternId].nameAppendSequenceNumber >= 0)
{
interestName.append(toString(trafficPattern_[patternId].nameAppendSequenceNumber));
trafficPattern_[patternId].nameAppendSequenceNumber++;
}
Interest interest(interestName);
if (trafficPattern_[patternId].minSuffixComponents >= 0)
interest.setMinSuffixComponents(trafficPattern_[patternId].minSuffixComponents);
if (trafficPattern_[patternId].maxSuffixComponents >= 0)
interest.setMaxSuffixComponents(trafficPattern_[patternId].maxSuffixComponents);
Exclude exclude;
if (trafficPattern_[patternId].excludeBefore != "" && trafficPattern_[patternId].excludeAfter != "")
{
exclude.excludeRange(name::Component(trafficPattern_[patternId].excludeAfter),
name::Component(trafficPattern_[patternId].excludeBefore));
interest.setExclude(exclude);
}
else if (trafficPattern_[patternId].excludeBefore != "")
{
exclude.excludeBefore(name::Component(trafficPattern_[patternId].excludeBefore));
interest.setExclude(exclude);
}
else if (trafficPattern_[patternId].excludeAfter != "")
{
exclude.excludeAfter(name::Component(trafficPattern_[patternId].excludeAfter));
interest.setExclude(exclude);
}
if (trafficPattern_[patternId].excludeBeforeBytes > 0 && trafficPattern_[patternId].excludeAfterBytes > 0)
{
exclude.excludeRange(name::Component(getRandomByteString(trafficPattern_[patternId].excludeAfterBytes)),
name::Component(getRandomByteString(trafficPattern_[patternId].excludeBeforeBytes)));
interest.setExclude(exclude);
}
else if (trafficPattern_[patternId].excludeBeforeBytes > 0)
{
exclude.excludeBefore(name::Component(getRandomByteString(trafficPattern_[patternId].excludeBeforeBytes)));
interest.setExclude(exclude);
}
else if (trafficPattern_[patternId].excludeAfterBytes > 0)
{
exclude.excludeAfter(name::Component(getRandomByteString(trafficPattern_[patternId].excludeAfterBytes)));
interest.setExclude(exclude);
}
if (trafficPattern_[patternId].childSelector >= 0)
interest.setChildSelector(trafficPattern_[patternId].childSelector);
if (trafficPattern_[patternId].mustBeFresh == 0)
interest.setMustBeFresh(false);
else if (trafficPattern_[patternId].mustBeFresh > 0)
interest.setMustBeFresh(true);
if (trafficPattern_[patternId].nonceDuplicationPercentage > 0)
{
int duplicationKey;
std::srand(std::time(0));
duplicationKey = std::rand() % 100;
if (trafficPattern_[patternId].nonceDuplicationPercentage <= duplicationKey)
interest.setNonce(getOldNonce());
else
interest.setNonce(getNewNonce());
}
else
interest.setNonce(getNewNonce());
if (trafficPattern_[patternId].scope >= 0)
interest.setScope(trafficPattern_[patternId].scope);
if (trafficPattern_[patternId].interestLifetime >= 0)
interest.setInterestLifetime(trafficPattern_[patternId].interestLifetime);
else
interest.setInterestLifetime(getDefaultInterestLifetime());
try {
totalInterestSent_++;
trafficPattern_[patternId].totalInterestSent++;
boost::posix_time::ptime sentTime;
sentTime = boost::posix_time::microsec_clock::local_time();
face_.expressInterest(interest,
func_lib::bind( &NdnTrafficClient::onData,
this, boost::ref(face_),
_1, _2, totalInterestSent_,
trafficPattern_[patternId].totalInterestSent,
patternId,
sentTime),
func_lib::bind( &NdnTrafficClient::onTimeout,
this, boost::ref(face_),
_1, totalInterestSent_,
trafficPattern_[patternId].totalInterestSent,
patternId));
std::string logLine;
logLine = "";
logLine += "Sending Interest - PatternType="+toString(patternId+1);
logLine += ", GlobalID="+toString(totalInterestSent_);
logLine += ", LocalID="+toString(trafficPattern_[patternId].totalInterestSent);
logLine += ", Name="+interest.getName().toUri();
m_logger.log(logLine, true, false);
deadlineTimer->expires_at(deadlineTimer->expires_at() +
boost::posix_time::millisec(interestInterval_));
deadlineTimer->async_wait(boost::bind(&NdnTrafficClient::generateTraffic,
this,
boost::asio::placeholders::error,
deadlineTimer));
}
catch (std::exception &e) {
m_logger.log("ERROR: "+(std::string)e.what(), true, true);
}
break;
}
}
if (patternId==trafficPattern_.size())
{
deadlineTimer->expires_at(deadlineTimer->expires_at() +
boost::posix_time::millisec(interestInterval_));
deadlineTimer->async_wait(boost::bind(&NdnTrafficClient::generateTraffic,
this,
boost::asio::placeholders::error,
deadlineTimer));
}
}
}