void
RoutingTable::scheduleRoutingTableCalculation(Nlsr& pnlsr)
{
if (pnlsr.getIsRouteCalculationScheduled() != true) {
ndn::time::milliseconds delay = util::jitter::getTimeWithJitter(m_routingCalcInterval);
_LOG_DEBUG("Scheduling routing table calculation in " << delay);
m_scheduler.scheduleEvent(delay, ndn::bind(&RoutingTable::calculate, this, std::ref(pnlsr)));
pnlsr.setIsRouteCalculationScheduled(true);
}
}
void
RoutingTable::scheduleRoutingTableCalculation(Nlsr& pnlsr)
{
if (pnlsr.getIsRouteCalculationScheduled() != true) {
_LOG_DEBUG("Scheduling routing table calculation in " << m_routingCalcInterval);
m_scheduler.scheduleEvent(m_routingCalcInterval,
ndn::bind(&RoutingTable::calculate, this, ndn::ref(pnlsr)));
pnlsr.setIsRouteCalculationScheduled(true);
}
}
void
RoutingTable::calculate(Nlsr& pnlsr)
{
pnlsr.getLsdb().writeCorLsdbLog();
pnlsr.getLsdb().writeNameLsdbLog();
pnlsr.getLsdb().writeAdjLsdbLog();
pnlsr.getNamePrefixTable().writeLog();
if (pnlsr.getIsRoutingTableCalculating() == false) {
//setting routing table calculation
pnlsr.setIsRoutingTableCalculating(true);
bool isHrEnabled = pnlsr.getConfParameter().getHyperbolicState() == HYPERBOLIC_STATE_ON;
if ((!isHrEnabled && pnlsr.getLsdb().doesLsaExist(pnlsr.getConfParameter().getRouterPrefix().toUri() + "/" + "adjacency", std::string("adjacency"))) ||
(isHrEnabled && pnlsr.getLsdb().doesLsaExist(pnlsr.getConfParameter().getRouterPrefix().toUri() + "/" + "coordinate", std::string("coordinate"))))
{
if (pnlsr.getIsBuildAdjLsaSheduled() != 1) {
_LOG_TRACE("Clearing old routing table");
clearRoutingTable();
// for dry run options
clearDryRoutingTable();
_LOG_DEBUG("Calculating routing table");
// calculate Link State routing
if ((pnlsr.getConfParameter().getHyperbolicState() == HYPERBOLIC_STATE_OFF)
|| (pnlsr.getConfParameter().getHyperbolicState() == HYPERBOLIC_STATE_DRY_RUN)) {
calculateLsRoutingTable(pnlsr);
}
//calculate hyperbolic routing
if (pnlsr.getConfParameter().getHyperbolicState() == HYPERBOLIC_STATE_ON) {
calculateHypRoutingTable(pnlsr);
}
//calculate dry hyperbolic routing
if (pnlsr.getConfParameter().getHyperbolicState() == HYPERBOLIC_STATE_DRY_RUN) {
calculateHypDryRoutingTable(pnlsr);
}
//need to update NPT here
_LOG_DEBUG("Calling Update NPT With new Route");
pnlsr.getNamePrefixTable().updateWithNewRoute();
writeLog(pnlsr.getConfParameter().getHyperbolicState());
pnlsr.getNamePrefixTable().writeLog();
pnlsr.getFib().writeLog();
}
else {
_LOG_DEBUG("Adjacency building is scheduled, so"
" routing table can not be calculated :(");
}
}
else {
_LOG_DEBUG("No Adj LSA of router itself,"
" so Routing table can not be calculated :(");
clearRoutingTable();
clearDryRoutingTable(); // for dry run options
// need to update NPT here
_LOG_DEBUG("Calling Update NPT With new Route");
pnlsr.getNamePrefixTable().updateWithNewRoute();
writeLog(pnlsr.getConfParameter().getHyperbolicState());
pnlsr.getNamePrefixTable().writeLog();
pnlsr.getFib().writeLog();
//debugging purpose end
}
pnlsr.setIsRouteCalculationScheduled(false); //clear scheduled flag
pnlsr.setIsRoutingTableCalculating(false); //unsetting routing table calculation
}
else {
scheduleRoutingTableCalculation(pnlsr);
}
}