commit 48ba4c1d5113d7baf96887fd6ad96fb7cf18b909
author Alexander Afanasyev <aa@cs.fiu.edu> Sat Jul 27 18:36:48 2019 -0400
committer Alexander Afanasyev <aa@cs.fiu.edu> Sat May 30 21:01:00 2020 -0400
tree 2c1b619d9f72cc7cf716ffed76be2dd5eb90d05c
parent 41b563bfcffb56c64b147026d193deff67ccd55e

[ndnSIM] fw: Add signals to monitor Hits/Misses of the CS

Change-Id: Ifde5ce3311716ffa1aecc7312704328ac0447ae7

daemon/fw/forwarder.cpp

diff --git a/daemon/fw/forwarder.cpp b/daemon/fw/forwarder.cpp
index 1fc674d..b94108f 100644
--- a/daemon/fw/forwarder.cpp
+++ b/daemon/fw/forwarder.cpp
@@ -176,6 +176,7 @@
 {
   NFD_LOG_DEBUG("onContentStoreMiss interest=" << interest.getName());
   ++m_counters.nCsMisses;
+  afterCsMiss(interest);
 
   // insert in-record
   pitEntry->insertOrUpdateInRecord(ingress.face, interest);
@@ -216,6 +217,7 @@
 {
   NFD_LOG_DEBUG("onContentStoreHit interest=" << interest.getName());
   ++m_counters.nCsHits;
+  afterCsHit(interest, data);
 
   data.setTag(make_shared<lp::IncomingFaceIdTag>(face::FACEID_CONTENT_STORE));
   // FIXME Should we lookup PIT for other Interests that also match the data?

daemon/fw/forwarder.hpp

diff --git a/daemon/fw/forwarder.hpp b/daemon/fw/forwarder.hpp
index 39cc0b8..3b28a26 100644
--- a/daemon/fw/forwarder.hpp
+++ b/daemon/fw/forwarder.hpp
@@ -176,6 +176,14 @@
    */
   signal::Signal<Forwarder, pit::Entry> beforeExpirePendingInterest;
 
+  /** \brief Signals when the incoming interest pipeline gets a hit from the content store
+   */
+  signal::Signal<Forwarder, Interest, Data> afterCsHit;
+
+  /** \brief Signals when the incoming interest pipeline gets a miss from the content store
+   */
+  signal::Signal<Forwarder, Interest> afterCsMiss;
+
 PUBLIC_WITH_TESTS_ELSE_PRIVATE: // pipelines
   /** \brief incoming Interest pipeline
    */