commit 53b291737814e3fd9c687b30cb55108e7ac2c91c
author Alexander Afanasyev <aa@cs.fiu.edu> Mon Jul 29 11:10:16 2019 -0400
committer Alexander Afanasyev <aa@cs.fiu.edu> Sat May 30 21:01:00 2020 -0400
tree 595aa5f931b4f7b71a456fb23f581329ed4a3083
parent 48ba4c1d5113d7baf96887fd6ad96fb7cf18b909

[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 bdb6906..239de43 100644
--- a/daemon/face/generic-link-service.cpp
+++ b/daemon/face/generic-link-service.cpp
@@ -162,6 +162,13 @@
   else {
     lpPacket.add<lp::HopCountTagField>(0);
   }
+
+  if (m_options.enableGeoTags) {
+    auto geoTag = m_options.enableGeoTags();
+    if (geoTag != nullptr) {
+      lpPacket.add<lp::GeoTagField>(*geoTag);
+    }
+  }
 }
 
 void
@@ -357,6 +364,10 @@
     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>()));
@@ -416,6 +427,10 @@
     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>()) {
     ++this->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 3137555..64a2d3c 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 {
 
@@ -98,7 +100,6 @@
   class Options
   {
   public:
-    constexpr
     Options() noexcept
     {
     }
@@ -151,6 +152,12 @@
     /** \brief enables self-learning forwarding support
      */
     bool allowSelfLearning = true;
+
+    /** \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