#include "callback.h"

namespace ns3 {

CallbackValue::CallbackValue ()

  : m_value ()

{

}

CallbackValue::CallbackValue (const CallbackBase &base)

  : m_value (base)

{

}

CallbackValue::~CallbackValue ()

{

}

void

CallbackValue::Set (CallbackBase base)

{

  m_value = base;

}

Ptr<AttributeValue>

CallbackValue::Copy (void) const

{

  return Create<CallbackValue> (m_value);

}

std::string

CallbackValue::SerializeToString (Ptr<const AttributeChecker> checker) const

{

  std::ostringstream oss;

  oss << PeekPointer (m_value.GetImpl ());

  return oss.str ();

}

bool

CallbackValue::DeserializeFromString (std::string value, Ptr<const AttributeChecker> checker)

{

  return false;

}

ATTRIBUTE_CHECKER_IMPLEMENT (Callback);

} // namespace ns3

#if (__GNUC__ >= 3)

#include <cstdlib>

#include <cxxabi.h>

#include "log.h"

namespace ns3 {

std::string

CallbackBase::Demangle (const std::string& mangled)

{

  int status;

  char* demangled = abi::__cxa_demangle (mangled.c_str (),

                                         NULL, NULL, &status);

  std::string ret;

  if (status == 0) {

      NS_ASSERT (demangled);

      ret = demangled;

    }

  else if (status == -1) {

      NS_LOG_UNCOND ("Callback demangling failed: Memory allocation failure occured.");

      ret = mangled;

    }

  else if (status == -2) {

      NS_LOG_UNCOND ("Callback demangling failed: Mangled name is not a valid under the C++ ABI mangling rules.");

      ret = mangled;

    }

  else if (status == -3) {

      NS_LOG_UNCOND ("Callback demangling failed: One of the arguments is invalid.");

      ret = mangled;

    }

  else {

      NS_LOG_UNCOND ("Callback demangling failed: status " << status);

      ret = mangled;

    }

  if (demangled) {

      std::free (demangled);

    }

  return ret;

}

} // namespace ns3

#else

std::string

ns3::CallbackBase::Demangle (const std::string& mangled)

{

  return mangled;

}

#endif