Add OFF state for Ue (switched to this state upon connection reject). Remove assert against connection failed.

src/lte/model/epc-ue-nas.cc

@@ -216,7 +216,7 @@ EpcUeNas::DoRecvData (Ptr<Packet> packet)
 void 
 EpcUeNas::DoNotifyConnectionReleased ()
 {
-  NS_FATAL_ERROR ("connection failed, it should not happen with the current model");
+  NS_LOG_FUNCTION (this);
 }
 
 void 

src/lte/model/lte-ue-rrc.cc

@@ -99,7 +99,8 @@ const char* g_ueRrcStateName[LteUeRrc::NUM_STATES] =
     "IDLE_CONNECTING",
     "CONNECTED_NORMALLY",
     "CONNECTED_REESTABLISHING",
-    "CONNECTED_HANDOVER"
+    "CONNECTED_HANDOVER",
+    "OFF"
   };
 
 std::string ToString (LteUeRrc::State s)
@@ -693,7 +694,7 @@ void
 LteUeRrc::DoRecvRrcConnectionReject (LteRrcSap::RrcConnectionReject msg)
 {
   NS_LOG_FUNCTION (this);
-  LeaveConnectedMode();
+  SwitchToState (OFF);
 }
 
 

src/lte/model/lte-ue-rrc.h

@@ -72,6 +72,7 @@ public:
       CONNECTED_NORMALLY,
       CONNECTED_REESTABLISHING,
       CONNECTED_HANDOVER,
+      OFF,
       NUM_STATES
     };