model: add queue length congestion detection and signaling
add PCON consumer app
refs #4578
Change-Id: I1b04e3d123510b1ed6134a708c2710ebbb217167
diff --git a/apps/ndn-consumer-pcon.hpp b/apps/ndn-consumer-pcon.hpp
new file mode 100644
index 0000000..9600829
--- /dev/null
+++ b/apps/ndn-consumer-pcon.hpp
@@ -0,0 +1,70 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011-2018 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/>.
+ **/
+
+#ifndef NDN_CONSUMER_PCON_H
+#define NDN_CONSUMER_PCON_H
+
+#include "ns3/ndnSIM/model/ndn-common.hpp"
+
+#include "ndn-consumer-window.hpp"
+
+namespace ns3 {
+namespace ndn {
+
+/**
+ * @ingroup ndn-apps
+ * \brief NDN consumer application (uses a PCON congestion window)
+ *
+ * Please refer to ConsumerWindow for further documentation on how to use this consumer.
+ */
+class ConsumerPcon : public ConsumerWindow {
+public:
+ static TypeId
+ GetTypeId();
+
+ ConsumerPcon();
+
+ virtual void
+ OnData(shared_ptr<const Data> data) override;
+
+ virtual void
+ OnTimeout(uint32_t sequenceNum) override;
+
+private:
+ void
+ WindowIncrease();
+
+ void
+ WindowDecrease();
+
+private:
+ double m_beta;
+ double m_addRttSupress;
+ bool m_shouldReactToCongestionMarks;
+ bool m_shouldUseCwa;
+
+ double m_ssthresh;
+ uint32_t m_highData;
+ double m_recPoint;
+};
+
+} // namespace ndn
+} // namespace ns3
+
+#endif // NDN_CONSUMER_PCON_H