examples: Restoring old examples that can be restored and fixing existing ones
diff --git a/examples/ndn-simple-with-content-freshness/one-interest-requester.cpp b/examples/ndn-simple-with-content-freshness/one-interest-requester.cpp
new file mode 100644
index 0000000..828ae22
--- /dev/null
+++ b/examples/ndn-simple-with-content-freshness/one-interest-requester.cpp
@@ -0,0 +1,109 @@
+/* -*- 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.cpp
+
+#include "one-interest-requester.hpp"
+
+#include "ns3/ptr.h"
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+#include "ns3/packet.h"
+#include "ns3/random-variable.h"
+#include "ns3/string.h"
+
+NS_LOG_COMPONENT_DEFINE("OneInterestRequester");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED(OneInterestRequester);
+
+// register NS-3 type
+TypeId
+OneInterestRequester::GetTypeId()
+{
+ static TypeId tid =
+ TypeId("OneInterestRequester")
+ .SetParent<ndn::App>()
+ .AddConstructor<OneInterestRequester>()
+
+ .AddAttribute("Prefix", "Requested name", StringValue("/dumb-interest"),
+ ndn::MakeNameAccessor(&OneInterestRequester::m_name), ndn::MakeNameChecker());
+ return tid;
+}
+
+OneInterestRequester::OneInterestRequester()
+ : m_isRunning(false)
+{
+}
+
+// Processing upon start of the application
+void
+OneInterestRequester::StartApplication()
+{
+ // initialize ndn::App
+ ndn::App::StartApplication();
+
+ m_isRunning = true;
+ Simulator::ScheduleNow(&OneInterestRequester::SendInterest, this);
+}
+
+// Processing when application is stopped
+void
+OneInterestRequester::StopApplication()
+{
+ m_isRunning = false;
+ // cleanup ndn::App
+ ndn::App::StopApplication();
+}
+
+void
+OneInterestRequester::SendInterest()
+{
+ if (!m_isRunning)
+ return;
+
+ /////////////////////////////////////
+ // Sending one Interest packet out //
+ /////////////////////////////////////
+
+ // Create and configure ndn::Interest
+ auto interest = std::make_shared<ndn::Interest>(m_name);
+ UniformVariable rand(0, std::numeric_limits<uint32_t>::max());
+ interest->setNonce(rand.GetValue());
+ interest->setInterestLifetime(ndn::time::seconds(1));
+
+ NS_LOG_DEBUG("Sending Interest packet for " << m_name);
+
+ // Call trace (for logging purposes)
+ m_transmittedInterests(interest, this, m_face);
+
+ NS_LOG_DEBUG(">> I: " << m_name);
+
+ // Forward packet to lower (network) layer
+ m_face->onReceiveInterest(*interest);
+}
+
+void
+OneInterestRequester::OnData(std::shared_ptr<const ndn::Data> data)
+{
+ NS_LOG_DEBUG("<< D: " << data->getName());
+}
+
+} // namespace ns3