examples: Restoring old examples that can be restored and fixing existing ones
diff --git a/examples/ndn-simple-with-content-freshness/one-interest-requester.hpp b/examples/ndn-simple-with-content-freshness/one-interest-requester.hpp
new file mode 100644
index 0000000..01a5b72
--- /dev/null
+++ b/examples/ndn-simple-with-content-freshness/one-interest-requester.hpp
@@ -0,0 +1,67 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2011-2015 Regents of the University of California.
+ *
+ * This file is part of ndnSIM. See AUTHORS for complete list of ndnSIM authors and
+ * contributors.
+ *
+ * ndnSIM is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndnSIM 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
+ * ndnSIM, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+// dumb-requester.hpp
+
+#ifndef DUMB_REQUESTER_H_
+#define DUMB_REQUESTER_H_
+
+#include "ns3/ndnSIM/model/ndn-common.hpp"
+
+#include "ns3/ndnSIM/apps/ndn-app.hpp"
+
+namespace ns3 {
+
+/**
+ * @brief A dumb requester application
+ *
+ * This app keeps requesting every second the same content object
+ */
+class OneInterestRequester : public ndn::App {
+public:
+ // register NS-3 type "OneInterestRequester"
+ static TypeId
+ GetTypeId();
+
+ OneInterestRequester();
+
+ // (overridden from ndn::App) Processing upon start of the application
+ virtual void
+ StartApplication();
+
+ // (overridden from ndn::App) Processing when application is stopped
+ virtual void
+ StopApplication();
+
+ // (overridden from ndn::App) Callback that will be called when Data arrives
+ virtual void
+ OnData(std::shared_ptr<const ndn::Data> data);
+
+private:
+ void
+ SendInterest();
+
+private:
+ bool m_isRunning;
+ ndn::Name m_name;
+};
+
+} // namespace ns3
+
+#endif // DUMB_REQUESTER_H_