commit 3bebd1190b1c45f8acaa0fe1d3a3100651a062e4
author Spyridon Mastorakis <spiros.mastorakis@gmail.com> Tue Dec 06 15:20:19 2016 -0800
committer Spyridon Mastorakis <spiros.mastorakis@gmail.com> Tue Feb 20 09:54:42 2018 -0800
tree bf19508ed1dce5885448dae9c60aa446e2e0ce9e
parent 5aa0ae077ddc95b28433f76cb2d7646d0e5cda7a

[ndnSIM] daemon: HopCount handling as a tag of an lp Packet

Change-Id: I2c25bcf29f4858049d1040a3e421e1c7151b3ba2

daemon/face/generic-link-service.cpp

diff --git a/daemon/face/generic-link-service.cpp b/daemon/face/generic-link-service.cpp
index d7ebc7c..a8e9710 100644
--- a/daemon/face/generic-link-service.cpp
+++ b/daemon/face/generic-link-service.cpp
@@ -158,6 +158,14 @@
       lpPacket.add<lp::PrefixAnnouncementField>(*prefixAnnouncementTag);
     }
   }
+
+  shared_ptr<lp::HopCountTag> hopCountTag = netPkt.getTag<lp::HopCountTag>();
+  if (hopCountTag != nullptr) {
+    lpPacket.add<lp::HopCountTagField>(*hopCountTag);
+  }
+  else {
+    lpPacket.add<lp::HopCountTagField>(0);
+  }
 }
 
 void
@@ -355,6 +363,11 @@
   // forwarding expects Interest to be created with make_shared
   auto interest = make_shared<Interest>(netPkt);
 
+  // Increment HopCount
+  if (firstPkt.has<lp::HopCountTagField>()) {
+    interest->setTag(make_shared<lp::HopCountTag>(firstPkt.get<lp::HopCountTagField>() + 1));
+  }
+
   if (firstPkt.has<lp::NextHopFaceIdField>()) {
     if (m_options.allowLocalFields) {
       interest->setTag(make_shared<lp::NextHopFaceIdTag>(firstPkt.get<lp::NextHopFaceIdField>()));
@@ -405,6 +418,10 @@
   // forwarding expects Data to be created with make_shared
   auto data = make_shared<Data>(netPkt);
 
+  if (firstPkt.has<lp::HopCountTagField>()) {
+    data->setTag(make_shared<lp::HopCountTag>(firstPkt.get<lp::HopCountTagField>() + 1));
+  }
+
   if (firstPkt.has<lp::NackField>()) {
     ++this->nInNetInvalid;
     NFD_LOG_FACE_WARN("received Nack with Data: DROP");

daemon/fw/forwarder.cpp

diff --git a/daemon/fw/forwarder.cpp b/daemon/fw/forwarder.cpp
index 2ee8e1b..55544fa 100644
--- a/daemon/fw/forwarder.cpp
+++ b/daemon/fw/forwarder.cpp
@@ -319,11 +319,14 @@
     return;
   }
 
+  shared_ptr<Data> dataCopyWithoutTag = make_shared<Data>(data);
+  dataCopyWithoutTag->removeTag<lp::HopCountTag>();
+
   // CS insert
   if (m_csFromNdnSim == nullptr)
-    m_cs.insert(data);
+    m_cs.insert(*dataCopyWithoutTag);
   else
-    m_csFromNdnSim->Add(data.shared_from_this());
+    m_csFromNdnSim->Add(dataCopyWithoutTag);
 
   std::set<Face*> pendingDownstreams;
   // foreach PitEntry