commit baee72a83b9d4499e2f58c63ac9c968e1ce34f63
author Alexander Afanasyev <aa@cs.fiu.edu> Mon Jul 29 11:10:16 2019 -0400
committer Alexander Afanasyev <aa@cs.fiu.edu> Thu May 05 10:56:28 2022 -0400
tree e8fae7c976c3dabba02d0a82e8f9be99cbc4c9bb
parent 276f92c80cf168bc845ec7279083810267bd402a

[ndnSIM] face: Add GeoTag processing in the generic link service

Change-Id: I6d679b85758bd6a105bd72ac50df7e61fae9b1eb

daemon/face/generic-link-service.cpp

diff --git a/daemon/face/generic-link-service.cpp b/daemon/face/generic-link-service.cpp
index 35e78b1..1ab78fe 100644
--- a/daemon/face/generic-link-service.cpp
+++ b/daemon/face/generic-link-service.cpp
@@ -190,6 +190,13 @@
   else {
     lpPacket.add<lp::HopCountTagField>(0);
   }
+
+  if (m_options.enableGeoTags) {
+    auto geoTag = m_options.enableGeoTags();
+    if (geoTag != nullptr) {
+      lpPacket.add<lp::GeoTagField>(*geoTag);
+    }
+  }
 }
 
 void
@@ -378,6 +385,10 @@
     interest->setTag(make_shared<lp::HopCountTag>(firstPkt.get<lp::HopCountTagField>() + 1));
   }
 
+  if (m_options.enableGeoTags && firstPkt.has<lp::GeoTagField>()) {
+    interest->setTag(make_shared<lp::GeoTag>(firstPkt.get<lp::GeoTagField>()));
+  }
+
   if (firstPkt.has<lp::NextHopFaceIdField>()) {
     if (m_options.allowLocalFields) {
       interest->setTag(make_shared<lp::NextHopFaceIdTag>(firstPkt.get<lp::NextHopFaceIdField>()));
@@ -437,6 +448,10 @@
     data->setTag(make_shared<lp::HopCountTag>(firstPkt.get<lp::HopCountTagField>() + 1));
   }
 
+  if (m_options.enableGeoTags && firstPkt.has<lp::GeoTagField>()) {
+    data->setTag(make_shared<lp::GeoTag>(firstPkt.get<lp::GeoTagField>()));
+  }
+
   if (firstPkt.has<lp::NackField>()) {
     ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received Nack with Data: DROP");

daemon/face/generic-link-service.hpp

diff --git a/daemon/face/generic-link-service.hpp b/daemon/face/generic-link-service.hpp
index 7a86b09..b2faea3 100644
--- a/daemon/face/generic-link-service.hpp
+++ b/daemon/face/generic-link-service.hpp
@@ -31,6 +31,8 @@
 #include "lp-reassembler.hpp"
 #include "lp-reliability.hpp"
 
+#include <ndn-cxx/lp/tags.hpp>
+
 namespace nfd {
 namespace face {
 
@@ -164,6 +166,12 @@
      *  being set with canOverrideMtuTo().
      */
     ssize_t overrideMtu = std::numeric_limits<ssize_t>::max();
+
+    /** \brief Enable encoding and decoding of GeoTags
+     *
+     *  To enable, set value of enableGeoTags option to a function that generates `shared_ptr<GeoTag>`
+     */
+    std::function<std::shared_ptr<ndn::lp::GeoTag>()> enableGeoTags;
   };
 
   /** \brief counters provided by GenericLinkService