mgmt: add satisfied and unsatisfied counters for forwarder status management

refs: #4720

Change-Id: I69545e0fbf4ebba75a292644631c2cf9fdaa301a
diff --git a/daemon/fw/forwarder.cpp b/daemon/fw/forwarder.cpp
index 7e28db2..d55da5a 100644
--- a/daemon/fw/forwarder.cpp
+++ b/daemon/fw/forwarder.cpp
@@ -246,6 +246,14 @@
   // Dead Nonce List insert if necessary
   this->insertDeadNonceList(*pitEntry, 0);
 
+  // Increment satisfied/unsatisfied Interests counter
+  if (pitEntry->isSatisfied) {
+    ++m_counters.nSatisfiedInterests;
+  }
+  else {
+    ++m_counters.nUnsatisfiedInterests;
+  }
+
   // PIT delete
   scheduler::cancel(pitEntry->expiryTimer);
   m_pit.erase(pitEntry.get());