apps+model+utils: Implementing Interest/Data hop counting using new PacketTag
diff --git a/utils/ndn-fw-hop-count-tag.cc b/utils/ndn-fw-hop-count-tag.cc
new file mode 100644
index 0000000..8e4ba4c
--- /dev/null
+++ b/utils/ndn-fw-hop-count-tag.cc
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "ndn-fw-hop-count-tag.h"
+
+namespace ns3 {
+namespace ndn {
+
+TypeId
+FwHopCountTag::GetTypeId ()
+{
+ static TypeId tid = TypeId("ns3::ndn::FwHopCountTag")
+ .SetParent<Tag>()
+ .AddConstructor<FwHopCountTag>()
+ ;
+ return tid;
+}
+
+TypeId
+FwHopCountTag::GetInstanceTypeId () const
+{
+ return FwHopCountTag::GetTypeId ();
+}
+
+uint32_t
+FwHopCountTag::GetSerializedSize () const
+{
+ return sizeof(uint32_t);
+}
+
+void
+FwHopCountTag::Serialize (TagBuffer i) const
+{
+ i.WriteU32 (m_hopCount);
+}
+
+void
+FwHopCountTag::Deserialize (TagBuffer i)
+{
+ m_hopCount = i.ReadU32 ();
+}
+
+void
+FwHopCountTag::Print (std::ostream &os) const
+{
+ os << m_hopCount;
+}
+
+} // namespace ndn
+} // namespace ns3