Add satellite position allocator

model/leo-circular-orbit-position-allocator.cc

@@ -0,0 +1,52 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+
+#include "ns3/integer.h"
+#include "leo-circular-orbit-position-allocator.h"
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (LeoCircularOrbitAllocator);
+
+LeoCircularOrbitAllocator::LeoCircularOrbitAllocator ()
+  : m_lastOrbit (0), m_lastSatellite (0)
+{}
+
+LeoCircularOrbitAllocator::~LeoCircularOrbitAllocator ()
+{}
+
+TypeId
+LeoCircularOrbitAllocator::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::LeoCircularOrbitPostionAllocator")
+    .SetParent<PositionAllocator> ()
+    .SetGroupName ("Leo")
+    .AddConstructor<LeoCircularOrbitAllocator> ()
+    .AddAttribute ("NumOrbits",
+                   "The number of orbits",
+                   IntegerValue (1),
+                   MakeIntegerAccessor (&LeoCircularOrbitAllocator::m_numOrbits),
+                   MakeIntegerChecker<uint64_t> ())
+    .AddAttribute ("NumSatellites",
+                   "The number of satellites per orbit",
+                   IntegerValue (1),
+                   MakeIntegerAccessor (&LeoCircularOrbitAllocator::m_numSatellites),
+                   MakeIntegerChecker<uint64_t> ())
+  ;
+  return tid;
+}
+
+int64_t
+LeoCircularOrbitAllocator::AssignStreams (int64_t stream)
+{
+  return -1;
+}
+
+Vector
+LeoCircularOrbitAllocator::GetNext () const
+{
+  return Vector (180 * ((double) m_lastOrbit / (double) m_numOrbits),
+	  	 360.0 * ((double) m_lastSatellite / (double) m_numSatellites),
+	  	 0);
+}
+
+};

model/leo-circular-orbit-position-allocator.h

@@ -0,0 +1,39 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+
+#ifndef LEO_CIRCULAR_ORBIT_HELPER_H
+#define LEO_CIRCULAR_ORBIT_HELPER_H
+
+#include "ns3/position-allocator.h"
+
+namespace ns3 {
+
+/**
+ * \brief Allocate pairs of latitude and longitude (offset within orbit) for
+ * use in LeoCircularOrbitMobilityModel
+ */
+class LeoCircularOrbitAllocator : public PositionAllocator
+{
+public:
+  /**
+   * Register this type with the TypeId system.
+   * \return the object TypeId
+   */
+  static TypeId GetTypeId ();
+
+  LeoCircularOrbitAllocator ();
+  virtual ~LeoCircularOrbitAllocator ();
+
+  virtual Vector GetNext (void) const;
+  virtual int64_t AssignStreams (int64_t stream);
+
+private:
+  uint64_t m_numOrbits;
+  uint64_t m_numSatellites;
+
+  mutable uint64_t m_lastOrbit;
+  mutable uint64_t m_lastSatellite;
+};
+
+};
+
+#endif