model: New trivial implementation of ContentStore (ns3::ndn::cs::Nocache)
This implementation completely disables all caching (this trivial implementation
is more efficient than content store with custom no-caching policy)
diff --git a/model/cs/content-store-nocache.cc b/model/cs/content-store-nocache.cc
new file mode 100644
index 0000000..8814c13
--- /dev/null
+++ b/model/cs/content-store-nocache.cc
@@ -0,0 +1,102 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011,2012 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>
+ * Ilya Moiseenko <iliamo@cs.ucla.edu>
+ *
+ */
+
+#include "content-store-nocache.h"
+#include "ns3/log.h"
+#include "ns3/packet.h"
+#include "ns3/ndn-name.h"
+#include "ns3/ndn-interest.h"
+#include "ns3/ndn-content-object.h"
+
+NS_LOG_COMPONENT_DEFINE ("ndn.cs.Nocache");
+
+namespace ns3 {
+namespace ndn {
+namespace cs {
+
+NS_OBJECT_ENSURE_REGISTERED (Nocache);
+
+TypeId
+Nocache::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::ndn::cs::Nocache")
+ .SetGroupName ("Ndn")
+ .SetParent<ContentStore> ()
+ .AddConstructor< Nocache > ()
+ ;
+
+ return tid;
+}
+
+Nocache::Nocache ()
+{
+}
+
+Nocache::~Nocache ()
+{
+}
+
+boost::tuple<Ptr<Packet>, Ptr<const ContentObject>, Ptr<const Packet> >
+Nocache::Lookup (Ptr<const Interest> interest)
+{
+ this->m_cacheMissesTrace (interest);
+ return boost::tuple<Ptr<Packet>, Ptr<const ContentObject>, Ptr<const Packet> > (0, 0, 0);
+}
+
+bool
+Nocache::Add (Ptr<const ContentObject> header, Ptr<const Packet> packet)
+{
+ return false;
+}
+
+void
+Nocache::Print (std::ostream &os) const
+{
+}
+
+uint32_t
+Nocache::GetSize () const
+{
+ return 0;
+}
+
+Ptr<cs::Entry>
+Nocache::Begin ()
+{
+ return 0;
+}
+
+Ptr<cs::Entry>
+Nocache::End ()
+{
+ return 0;
+}
+
+Ptr<cs::Entry>
+Nocache::Next (Ptr<cs::Entry>)
+{
+ return 0;
+}
+
+} // namespace cs
+} // namespace ndn
+} // namespace ns3