add mock channel for ground to space communication

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