fw: move Forwarder::lookupFib to Strategy::lookupFib
refs #3664
Change-Id: Ib4dd2354d853f7d6455bf08bb6b863b5f77076c1
diff --git a/daemon/fw/strategy.cpp b/daemon/fw/strategy.cpp
index 7e668b6..efe1fac 100644
--- a/daemon/fw/strategy.cpp
+++ b/daemon/fw/strategy.cpp
@@ -87,5 +87,67 @@
// warning: don't loop on pitEntry->getInRecords(), because in-record is deleted when sending Nack
}
+const fib::Entry&
+Strategy::lookupFib(const pit::Entry& pitEntry) const
+{
+ const Fib& fib = m_forwarder.getFib();
+ const NetworkRegionTable& nrt = m_forwarder.getNetworkRegionTable();
+
+ const Interest& interest = pitEntry.getInterest();
+ // has Link object?
+ if (!interest.hasLink()) {
+ // FIB lookup with Interest name
+ const fib::Entry& fibEntry = fib.findLongestPrefixMatch(pitEntry);
+ NFD_LOG_TRACE("lookupFib noLinkObject found=" << fibEntry.getPrefix());
+ return fibEntry;
+ }
+
+ const Link& link = interest.getLink();
+
+ // in producer region?
+ if (nrt.isInProducerRegion(link)) {
+ // FIB lookup with Interest name
+ const fib::Entry& fibEntry = fib.findLongestPrefixMatch(pitEntry);
+ NFD_LOG_TRACE("lookupFib inProducerRegion found=" << fibEntry.getPrefix());
+ return fibEntry;
+ }
+
+ // has SelectedDelegation?
+ if (interest.hasSelectedDelegation()) {
+ // FIB lookup with SelectedDelegation
+ Name selectedDelegation = interest.getSelectedDelegation();
+ const fib::Entry& fibEntry = fib.findLongestPrefixMatch(selectedDelegation);
+ NFD_LOG_TRACE("lookupFib hasSelectedDelegation=" << selectedDelegation << " found=" << fibEntry.getPrefix());
+ return fibEntry;
+ }
+
+ // FIB lookup with first delegation Name
+ const fib::Entry& fibEntry0 = fib.findLongestPrefixMatch(link.getDelegations().begin()->second);
+ // in default-free zone?
+ bool isDefaultFreeZone = !(fibEntry0.getPrefix().size() == 0 && fibEntry0.hasNextHops());
+ if (!isDefaultFreeZone) {
+ NFD_LOG_TRACE("lookupFib inConsumerRegion found=" << fibEntry0.getPrefix());
+ return fibEntry0;
+ }
+
+ // choose and set SelectedDelegation
+ for (const std::pair<uint32_t, Name>& delegation : link.getDelegations()) {
+ const Name& delegationName = delegation.second;
+ const fib::Entry& fibEntry = fib.findLongestPrefixMatch(delegationName);
+ if (fibEntry.hasNextHops()) {
+ /// \todo Don't modify in-record Interests.
+ /// Set SelectedDelegation in outgoing Interest pipeline.
+ std::for_each(pitEntry.in_begin(), pitEntry.in_end(),
+ [&delegationName] (const pit::InRecord& inR) {
+ const_cast<Interest&>(inR.getInterest()).setSelectedDelegation(delegationName);
+ });
+ NFD_LOG_TRACE("lookupFib enterDefaultFreeZone setSelectedDelegation=" << delegationName);
+ return fibEntry;
+ }
+ }
+ BOOST_ASSERT(false);
+ return fibEntry0;
+}
+
} // namespace fw
} // namespace nfd