diff --git a/helper/ndn-link-control-helper.cpp b/helper/ndn-link-control-helper.cpp
index 1c43666..524ba46 100644
--- a/helper/ndn-link-control-helper.cpp
+++ b/helper/ndn-link-control-helper.cpp
@@ -31,109 +31,110 @@
 #include "ns3/ndn-l3-protocol.hpp"
 #include "ns3/ndn-net-device-face.hpp"
 
-NS_LOG_COMPONENT_DEFINE ("ndn.LinkControlHelper");
+NS_LOG_COMPONENT_DEFINE("ndn.LinkControlHelper");
 
 namespace ns3 {
 namespace ndn {
 
 void
-LinkControlHelper::FailLink (Ptr<Node> node1, Ptr<Node> node2)
+LinkControlHelper::FailLink(Ptr<Node> node1, Ptr<Node> node2)
 {
-  NS_LOG_FUNCTION (node1 << node2);
-  
-  NS_ASSERT (node1 != 0);
-  NS_ASSERT (node2 != 0);
-  
-  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol> ();
-  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol> ();
+  NS_LOG_FUNCTION(node1 << node2);
 
-  NS_ASSERT (ndn1 != 0);
-  NS_ASSERT (ndn2 != 0);
+  NS_ASSERT(node1 != 0);
+  NS_ASSERT(node2 != 0);
+
+  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol>();
+  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol>();
+
+  NS_ASSERT(ndn1 != 0);
+  NS_ASSERT(ndn2 != 0);
 
   // iterate over all faces to find the right one
-  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces (); faceId++)
-    {
-      Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace (faceId)->GetObject<ndn::NetDeviceFace> ();
-      if (ndFace == 0) continue;
+  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces(); faceId++) {
+    Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace(faceId)->GetObject<ndn::NetDeviceFace>();
+    if (ndFace == 0)
+      continue;
 
-      Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice ()->GetObject<PointToPointNetDevice> ();
-      if (nd1 == 0) continue;
+    Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice()->GetObject<PointToPointNetDevice>();
+    if (nd1 == 0)
+      continue;
 
-      Ptr<Channel> channel = nd1->GetChannel ();
-      if (channel == 0) continue;
+    Ptr<Channel> channel = nd1->GetChannel();
+    if (channel == 0)
+      continue;
 
-      Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel> (channel);
+    Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel>(channel);
 
-      Ptr<NetDevice> nd2 = ppChannel->GetDevice (0);
-      if (nd2->GetNode () == node1)
-        nd2 = ppChannel->GetDevice (1);
+    Ptr<NetDevice> nd2 = ppChannel->GetDevice(0);
+    if (nd2->GetNode() == node1)
+      nd2 = ppChannel->GetDevice(1);
 
-      if (nd2->GetNode () == node2)
-        {
-          Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice (nd1);
-          Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice (nd2);
+    if (nd2->GetNode() == node2) {
+      Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice(nd1);
+      Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice(nd2);
 
-          face1->SetUp (false);
-          face2->SetUp (false);
-          break;
-        }
+      face1->SetUp(false);
+      face2->SetUp(false);
+      break;
     }
+  }
 }
 void
-LinkControlHelper::FailLinkByName (const std::string &node1, const std::string &node2)
+LinkControlHelper::FailLinkByName(const std::string& node1, const std::string& node2)
 {
-  FailLink (Names::Find<Node> (node1), Names::Find<Node> (node2));
+  FailLink(Names::Find<Node>(node1), Names::Find<Node>(node2));
 }
 
 void
-LinkControlHelper::UpLink (Ptr<Node> node1, Ptr<Node> node2)
+LinkControlHelper::UpLink(Ptr<Node> node1, Ptr<Node> node2)
 {
-  NS_LOG_FUNCTION (node1 << node2);
+  NS_LOG_FUNCTION(node1 << node2);
 
-  NS_ASSERT (node1 != 0);
-  NS_ASSERT (node2 != 0);
-  
-  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol> ();
-  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol> ();
+  NS_ASSERT(node1 != 0);
+  NS_ASSERT(node2 != 0);
 
-  NS_ASSERT (ndn1 != 0);
-  NS_ASSERT (ndn2 != 0);
+  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol>();
+  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol>();
+
+  NS_ASSERT(ndn1 != 0);
+  NS_ASSERT(ndn2 != 0);
 
   // iterate over all faces to find the right one
-  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces (); faceId++)
-    {
-      Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace (faceId)->GetObject<ndn::NetDeviceFace> ();
-      if (ndFace == 0) continue;
+  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces(); faceId++) {
+    Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace(faceId)->GetObject<ndn::NetDeviceFace>();
+    if (ndFace == 0)
+      continue;
 
-      Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice ()->GetObject<PointToPointNetDevice> ();
-      if (nd1 == 0) continue;
+    Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice()->GetObject<PointToPointNetDevice>();
+    if (nd1 == 0)
+      continue;
 
-      Ptr<Channel> channel = nd1->GetChannel ();
-      if (channel == 0) continue;
+    Ptr<Channel> channel = nd1->GetChannel();
+    if (channel == 0)
+      continue;
 
-      Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel> (channel);
+    Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel>(channel);
 
-      Ptr<NetDevice> nd2 = ppChannel->GetDevice (0);
-      if (nd2->GetNode () == node1)
-        nd2 = ppChannel->GetDevice (1);
+    Ptr<NetDevice> nd2 = ppChannel->GetDevice(0);
+    if (nd2->GetNode() == node1)
+      nd2 = ppChannel->GetDevice(1);
 
-      if (nd2->GetNode () == node2)
-        {
-          Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice (nd1);
-          Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice (nd2);
+    if (nd2->GetNode() == node2) {
+      Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice(nd1);
+      Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice(nd2);
 
-          face1->SetUp (true);
-          face2->SetUp (true);
-          break;
-        }
+      face1->SetUp(true);
+      face2->SetUp(true);
+      break;
     }
+  }
 }
 
 void
-LinkControlHelper::UpLinkByName (const std::string &node1, const std::string &node2)
+LinkControlHelper::UpLinkByName(const std::string& node1, const std::string& node2)
 {
-  UpLink (Names::Find<Node> (node1), Names::Find<Node> (node2));
+  UpLink(Names::Find<Node>(node1), Names::Find<Node>(node2));
 }
-
 }
 }