77 lines
1.4 KiB
C++
77 lines
1.4 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
|
#include "ns3/ptr.h"
|
|
#include "ns3/object.h"
|
|
#include <iostream>
|
|
|
|
using namespace ns3;
|
|
|
|
class PtrExample : public Object
|
|
{
|
|
public:
|
|
PtrExample ();
|
|
~PtrExample ();
|
|
void Method (void);
|
|
};
|
|
PtrExample::PtrExample ()
|
|
{
|
|
std::cout << "PtrExample constructor" << std::endl;
|
|
}
|
|
PtrExample::~PtrExample()
|
|
{
|
|
std::cout << "PtrExample destructor" << std::endl;
|
|
}
|
|
void
|
|
PtrExample::Method (void)
|
|
{
|
|
std::cout << "PtrExample method" << std::endl;
|
|
}
|
|
|
|
static Ptr<PtrExample> g_ptr = 0;
|
|
|
|
static Ptr<PtrExample>
|
|
StorePtr (Ptr<PtrExample> p)
|
|
{
|
|
Ptr<PtrExample> prev = g_ptr;
|
|
g_ptr = p;
|
|
return prev;
|
|
}
|
|
|
|
static void
|
|
ClearPtr (void)
|
|
{
|
|
g_ptr = 0;
|
|
}
|
|
|
|
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
{
|
|
// Create a new object of type PtrExample, store it in global
|
|
// variable g_ptr
|
|
Ptr<PtrExample> p = CreateObject<PtrExample> ();
|
|
p->Method ();
|
|
Ptr<PtrExample> prev = StorePtr (p);
|
|
NS_ASSERT (prev == 0);
|
|
}
|
|
|
|
{
|
|
// Create a new object of type PtrExample, store it in global
|
|
// variable g_ptr, get a hold on the previous PtrExample object.
|
|
Ptr<PtrExample> p = CreateObject<PtrExample> ();
|
|
Ptr<PtrExample> prev = StorePtr (p);
|
|
// call method on object
|
|
prev->Method ();
|
|
// Clear the currently-stored object
|
|
ClearPtr ();
|
|
// get the raw pointer and release it.
|
|
PtrExample *raw = GetPointer (prev);
|
|
prev = 0;
|
|
raw->Method ();
|
|
raw->Unref ();
|
|
}
|
|
|
|
|
|
return 0;
|
|
}
|