From 45228b292e5bef27d01fa409d524168389450ecc Mon Sep 17 00:00:00 2001
From: Tim Schubert <tim.schubert@tu-bs.de>
Date: Mon, 22 Jun 2020 18:15:52 +0200
Subject: [PATCH] add mock channel for ground to space communication

---
 model/leo-mock-channel.cc | 61 ++++++++++++++++++++++++++++
 model/leo-mock-channel.h  | 85 +++++++++++++++++++++++++++++++++++++++
 model/mock-channel.cc     |  1 +
 model/mock-channel.h      |  1 +
 4 files changed, 148 insertions(+)
 create mode 100644 model/leo-mock-channel.cc
 create mode 100644 model/leo-mock-channel.h

diff --git a/model/leo-mock-channel.cc b/model/leo-mock-channel.cc
new file mode 100644
index 0000000..1edfd3d
--- /dev/null
+++ b/model/leo-mock-channel.cc
@@ -0,0 +1,61 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+
+#include "ns3/object.h"
+#include "ns3/ptr.h"
+#include "ns3/log.h"
+#include "ns3/enum.h"
+#include "leo-mock-channel.h"
+
+namespace ns3 {
+
+NS_LOG_COMPONENT_DEFINE ("LeoMockChannel");
+
+NS_OBJECT_ENSURE_REGISTERED (LeoMockChannel);
+
+TypeId
+LeoMockChannel::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::LeoMockChannel")
+    .SetParent<Channel> ()
+    .SetGroupName ("Leo")
+    .AddConstructor<LeoMockChannel> ()
+    .AddAttribute ("ChannelType",
+                   "The type of the channel",
+                   EnumValue (),
+                   MakeEnumAccessor (&LeoMockChannel::m_channelType),
+                   MakeEnumChecker (
+                     ChannelType::GW_FORWARD, "ns3::LeoMockChannel::ChannelType::GW_FORWARD",
+                     ChannelType::GW_RETURN, "ns3::LeoMockChannel::ChannelType::GW_RETURN",
+                     ChannelType::UT_FORWARD, "ns3::LeoMockChannel::ChannelType::UT_FORWARD",
+                     ChannelType::UT_RETURN, "ns3::LeoMockChannel::ChannelType::UT_RETURN"))
+    .AddTraceSource ("TxRxLeoMockChannel",
+                     "Trace source indicating transmission of packet "
+                     "from the LeoMockChannel, used by the Animation "
+                     "interface.",
+                     MakeTraceSourceAccessor (&LeoMockChannel::m_txrxMock),
+                     "ns3::LeoMockChannel::TxRxAnimationCallback")
+  ;
+  return tid;
+}
+
+//
+// By default, you get a channel that
+// has an "infitely" fast transmission speed and zero processing delay.
+LeoMockChannel::LeoMockChannel() : MockChannel (), m_channelType (LeoMockChannel::ChannelType::UNKNOWN)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+LeoMockChannel::~LeoMockChannel()
+{
+}
+
+bool
+TransmitStart (Ptr<const Packet> p,
+               uint32_t devId,
+               Address dst, Time txTime)
+{
+  return false;
+}
+
+}; // namespace ns3
diff --git a/model/leo-mock-channel.h b/model/leo-mock-channel.h
new file mode 100644
index 0000000..1dc8151
--- /dev/null
+++ b/model/leo-mock-channel.h
@@ -0,0 +1,85 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * 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
+ */
+
+#ifndef LEO_MOCK_CHANNEL_H_
+#define LEO_MOCK_CHANNEL_H_
+
+#include <string>
+#include <stdint.h>
+
+#include "ns3/object.h"
+#include "ns3/ptr.h"
+#include "ns3/channel.h"
+#include "ns3/mobility-model.h"
+#include "ns3/net-device.h"
+#include "ns3/time-data-calculators.h"
+#include "ns3/traced-callback.h"
+#include "ns3/mobility-module.h"
+#include "ns3/propagation-delay-model.h"
+#include "ns3/propagation-loss-model.h"
+#include "mock-net-device.h"
+#include "mock-channel.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup network
+ * \defgroup channel Channel
+ */
+/**
+ * \ingroup channel
+ * \brief Mocked satellite-gateway, satellite-terminal channel types
+ *
+ */
+class LeoMockChannel : public MockChannel
+{
+public:
+  static TypeId GetTypeId (void);
+
+  LeoMockChannel ();
+  virtual ~LeoMockChannel ();
+
+  /**
+   * \see MockChannel::TransmitStart
+   *
+   * A packet is transmitted if the destination is reachable via the beam.
+   */
+  virtual bool TransmitStart (Ptr<const Packet> p, uint32_t devId, Address dst, Time txTime);
+
+protected:
+
+  enum ChannelType
+  {
+    GW_FORWARD,
+    GW_RETURN,
+    UT_FORWARD,
+    UT_RETURN,
+    UNKNOWN
+  };
+
+  ChannelType GetChannelType () const;
+
+private:
+  /**
+   * \brief Type of the channel
+   */
+  ChannelType m_channelType;
+
+}; // class MockChannel
+
+} // namespace ns3
+
+#endif /* LEO_MOCK_CHANNEL_H */
diff --git a/model/mock-channel.cc b/model/mock-channel.cc
index 5cdd439..f26f0d4 100644
--- a/model/mock-channel.cc
+++ b/model/mock-channel.cc
@@ -21,6 +21,7 @@
 #include <ns3/simulator.h>
 #include <ns3/log.h>
 #include <ns3/pointer.h>
+#include <ns3/enum.h>
 #include "mock-channel.h"
 
 namespace ns3 {
diff --git a/model/mock-channel.h b/model/mock-channel.h
index b3b3820..10c7eb6 100644
--- a/model/mock-channel.h
+++ b/model/mock-channel.h
@@ -101,6 +101,7 @@ private:
    * \brief Propagation loss model to be used with this channel
    */
   Ptr<PropagationLossModel> m_propagationLoss;
+
 }; // class MockChannel
 
 } // namespace ns3