fix potential issue

fuji246 · Jul 16, 2018 · e81c369 · e81c369
1 parent d0e05bd
commit e81c369
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diff --git a/model/topo/lte-topo.cc b/model/topo/lte-topo.cc
@@ -41,12 +41,14 @@ static void CourseChange (std::string context, Ptr<const MobilityModel> mobility
 }
 
 Ptr<PointToPointEpcHelper> LteTop::epcHelper;
+Ptr<LteHelper> LteTop::lteHelper;
 
 void LteTop::Build(uint16_t numberOfUEs, double speedKmPerHour, uint32_t msDelay)
 {
     NS_LOG_INFO("LteTop::Build");
     // setup core network
     // PointToPoint links for the connection between the eNBs and the SGW (S1-U interface) and among eNBs (X2-U and X2-C interfaces)
+    lteHelper = CreateObject<LteHelper> ();
     Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
     lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisPropagationLossModel"));
 

diff --git a/model/topo/lte-topo.h b/model/topo/lte-topo.h
@@ -138,6 +138,7 @@ class LteTop: public Topo
     static void EnableLTELogComponents();
 
 protected:
+    static Ptr<LteHelper> lteHelper;
     static Ptr<ns3::PointToPointEpcHelper>  epcHelper;
     NodeContainer m_ueNodes;
     NodeContainer m_enbNodes;