/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 INRIA, Gustavo Carneiro
*
* 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
*
* Authors: Gustavo Carneiro <gjcarneiro@gmail.com>,
* Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#include "object.h"
#include "assert.h"
#include "singleton.h"
#include "trace-resolver.h"
#include "log.h"
#include <vector>
NS_LOG_COMPONENT_DEFINE ("Object");
/*********************************************************************
* Helper code
*********************************************************************/
namespace {
class IidManager
{
public:
uint16_t AllocateUid (std::string name);
void SetParent (uint16_t uid, uint16_t parent);
void AddConstructor (uint16_t uid, ns3::CallbackBase callback, uint32_t nArguments);
uint16_t GetUid (std::string name) const;
std::string GetName (uint16_t uid) const;
uint16_t GetParent (uint16_t uid) const;
ns3::CallbackBase GetConstructor (uint16_t uid, uint32_t nArguments);
private:
struct ConstructorInformation {
ns3::CallbackBase cb;
uint32_t nArguments;
};
struct IidInformation {
std::string name;
uint16_t parent;
std::vector<struct ConstructorInformation> constructors;
};
typedef std::vector<struct IidInformation>::const_iterator Iterator;
struct IidManager::IidInformation *LookupInformation (uint16_t uid) const;
std::vector<struct IidInformation> m_information;
};
uint16_t
IidManager::AllocateUid (std::string name)
{
uint16_t j = 1;
for (Iterator i = m_information.begin (); i != m_information.end (); i++)
{
if (i->name == name)
{
NS_FATAL_ERROR ("Trying to allocate twice the same uid: " << name);
return 0;
}
j++;
}
struct IidInformation information;
information.name = name;
information.parent = 0;
m_information.push_back (information);
uint32_t uid = m_information.size ();
NS_ASSERT (uid <= 0xffff);
return uid;
}
struct IidManager::IidInformation *
IidManager::LookupInformation (uint16_t uid) const
{
NS_ASSERT (uid <= m_information.size ());
return const_cast<struct IidInformation *> (&m_information[uid-1]);
}
void
IidManager::SetParent (uint16_t uid, uint16_t parent)
{
NS_ASSERT (parent <= m_information.size ());
struct IidInformation *information = LookupInformation (uid);
information->parent = parent;
}
void
IidManager::AddConstructor (uint16_t uid, ns3::CallbackBase callback, uint32_t nArguments)
{
struct IidInformation *information = LookupInformation (uid);
struct ConstructorInformation constructor;
constructor.cb = callback;
constructor.nArguments = nArguments;
for (std::vector<struct ConstructorInformation>::const_iterator i = information->constructors.begin ();
i != information->constructors.end (); i++)
{
if (i->nArguments == nArguments)
{
NS_FATAL_ERROR ("registered two constructors on the same type with the same number of arguments.");
break;
}
}
information->constructors.push_back (constructor);
}
uint16_t
IidManager::GetUid (std::string name) const
{
uint32_t j = 1;
for (Iterator i = m_information.begin (); i != m_information.end (); i++)
{
if (i->name == name)
{
NS_ASSERT (j <= 0xffff);
return j;
}
j++;
}
return 0;
}
std::string
IidManager::GetName (uint16_t uid) const
{
struct IidInformation *information = LookupInformation (uid);
return information->name;
}
uint16_t
IidManager::GetParent (uint16_t uid) const
{
struct IidInformation *information = LookupInformation (uid);
return information->parent;
}
ns3::CallbackBase
IidManager::GetConstructor (uint16_t uid, uint32_t nArguments)
{
struct IidInformation *information = LookupInformation (uid);
for (std::vector<struct ConstructorInformation>::const_iterator i = information->constructors.begin ();
i != information->constructors.end (); i++)
{
if (i->nArguments == nArguments)
{
return i->cb;
}
}
NS_FATAL_ERROR ("Requested constructor with "<<nArguments<<" arguments not found");
return ns3::CallbackBase ();
}
} // anonymous namespace
/*********************************************************************
* The InterfaceId TraceResolver
*********************************************************************/
namespace ns3 {
class InterfaceIdTraceResolver : public TraceResolver
{
public:
InterfaceIdTraceResolver (Ptr<const Object> aggregate);
virtual void Connect (std::string path, CallbackBase const &cb, const TraceContext &context);
virtual void Disconnect (std::string path, CallbackBase const &cb);
virtual void CollectSources (std::string path, const TraceContext &context,
SourceCollection *collection);
virtual void TraceAll (std::ostream &os, const TraceContext &context);
private:
Ptr<const Object> ParseForInterface (std::string path);
Ptr<const Object> m_aggregate;
};
InterfaceIdTraceResolver::InterfaceIdTraceResolver (Ptr<const Object> aggregate)
: m_aggregate (aggregate)
{}
Ptr<const Object>
InterfaceIdTraceResolver::ParseForInterface (std::string path)
{
std::string element = GetElement (path);
std::string::size_type dollar_pos = element.find ("$");
if (dollar_pos != 0)
{
return 0;
}
std::string interfaceName = element.substr (1, std::string::npos);
InterfaceId interfaceId = InterfaceId::LookupByName (interfaceName);
Ptr<Object> interface = m_aggregate->QueryInterface<Object> (interfaceId);
return interface;
}
void
InterfaceIdTraceResolver::Connect (std::string path, CallbackBase const &cb, const TraceContext &context)
{
Ptr<const Object> interface = ParseForInterface (path);
if (interface != 0)
{
interface->GetTraceResolver ()->Connect (GetSubpath (path), cb, context);
}
}
void
InterfaceIdTraceResolver::Disconnect (std::string path, CallbackBase const &cb)
{
Ptr<const Object> interface = ParseForInterface (path);
if (interface != 0)
{
interface->TraceDisconnect (GetSubpath (path), cb);
}
}
void
InterfaceIdTraceResolver::CollectSources (std::string path, const TraceContext &context,
SourceCollection *collection)
{
m_aggregate->DoCollectSources (path, context, collection);
}
void
InterfaceIdTraceResolver::TraceAll (std::ostream &os, const TraceContext &context)
{
m_aggregate->DoTraceAll (os, context);
}
/*********************************************************************
* The InterfaceId class
*********************************************************************/
InterfaceId::InterfaceId (std::string name)
{
uint16_t uid = Singleton<IidManager>::Get ()->AllocateUid (name);
NS_ASSERT (uid != 0);
m_iid = uid;
}
InterfaceId::InterfaceId (uint16_t iid)
: m_iid (iid)
{}
InterfaceId::~InterfaceId ()
{}
InterfaceId
InterfaceId::LookupByName (std::string name)
{
uint16_t uid = Singleton<IidManager>::Get ()->GetUid (name);
NS_ASSERT (uid != 0);
return InterfaceId (uid);
}
InterfaceId
InterfaceId::SetParent (InterfaceId iid)
{
Singleton<IidManager>::Get ()->SetParent (m_iid, iid.m_iid);
return *this;
}
InterfaceId
InterfaceId::GetParent (void) const
{
uint16_t parent = Singleton<IidManager>::Get ()->GetParent (m_iid);
return InterfaceId (parent);
}
std::string
InterfaceId::GetName (void) const
{
std::string name = Singleton<IidManager>::Get ()->GetName (m_iid);
return name;
}
void
InterfaceId::DoAddConstructor (CallbackBase cb, uint32_t nArguments)
{
Singleton<IidManager>::Get ()->AddConstructor (m_iid, cb, nArguments);
}
CallbackBase
InterfaceId::LookupConstructor (uint32_t nArguments)
{
CallbackBase constructor = Singleton<IidManager>::Get ()->GetConstructor (m_iid, nArguments);
return constructor;
}
Ptr<Object>
InterfaceId::CreateObject (void)
{
CallbackBase cb = LookupConstructor (0);
Callback<Ptr<Object> > realCb;
realCb.Assign (cb);
Ptr<Object> object = realCb ();
return object;
}
bool operator == (InterfaceId a, InterfaceId b)
{
return a.m_iid == b.m_iid;
}
bool operator != (InterfaceId a, InterfaceId b)
{
return a.m_iid != b.m_iid;
}
InterfaceId
MakeInterfaceId (std::string name, InterfaceId parent)
{
uint16_t uid = Singleton<IidManager>::Get ()->AllocateUid (name);
NS_ASSERT (uid != 0);
Singleton<IidManager>::Get ()->SetParent (uid, parent.m_iid);
return InterfaceId (uid);
}
InterfaceId
MakeObjectInterfaceId (void)
{
uint16_t uid = Singleton<IidManager>::Get ()->AllocateUid ("Object");
NS_ASSERT (uid == 1);
Singleton<IidManager>::Get ()->SetParent (uid, uid);
return InterfaceId (uid);
}
/*********************************************************************
* The Object implementation
*********************************************************************/
InterfaceId
Object::iid (void)
{
static InterfaceId iid = MakeObjectInterfaceId ();
return iid;
}
Object::Object ()
: m_count (1),
m_iid (Object::iid ()),
m_disposed (false),
m_collecting (false),
m_next (this)
{}
Object::~Object ()
{
m_next = 0;
}
Ptr<Object>
Object::DoQueryInterface (InterfaceId iid) const
{
NS_ASSERT (CheckLoose ());
const Object *currentObject = this;
do {
NS_ASSERT (currentObject != 0);
InterfaceId cur = currentObject->m_iid;
while (cur != iid && cur != Object::iid ())
{
cur = cur.GetParent ();
}
if (cur == iid)
{
return const_cast<Object *> (currentObject);
}
currentObject = currentObject->m_next;
} while (currentObject != this);
return 0;
}
void
Object::Dispose (void)
{
Object *current = this;
do {
NS_ASSERT (current != 0);
NS_ASSERT (!current->m_disposed);
current->DoDispose ();
current->m_disposed = true;
current = current->m_next;
} while (current != this);
}
void
Object::AddInterface (Ptr<Object> o)
{
NS_ASSERT (!m_disposed);
NS_ASSERT (!o->m_disposed);
NS_ASSERT (CheckLoose ());
NS_ASSERT (o->CheckLoose ());
Object *other = PeekPointer (o);
Object *next = m_next;
m_next = other->m_next;
other->m_next = next;
NS_ASSERT (CheckLoose ());
NS_ASSERT (o->CheckLoose ());
}
void
Object::TraceConnect (std::string path, const CallbackBase &cb) const
{
NS_ASSERT (CheckLoose ());
GetTraceResolver ()->Connect (path, cb, TraceContext ());
}
void
Object::TraceDisconnect (std::string path, const CallbackBase &cb) const
{
NS_ASSERT (CheckLoose ());
GetTraceResolver ()->Disconnect (path, cb);
}
void
Object::SetInterfaceId (InterfaceId iid)
{
NS_ASSERT (Check ());
m_iid = iid;
}
void
Object::DoDispose (void)
{
NS_ASSERT (!m_disposed);
}
Ptr<TraceResolver>
Object::GetTraceResolver (void) const
{
NS_ASSERT (CheckLoose ());
Ptr<InterfaceIdTraceResolver> resolver =
Create<InterfaceIdTraceResolver> (this);
return resolver;
}
bool
Object::Check (void) const
{
return (m_count > 0);
}
/* In some cases, when an event is scheduled against a subclass of
* Object, and if no one owns a reference directly to this object, the
* object is alive, has a refcount of zero and the method ran when the
* event expires runs against the raw pointer which means that we are
* manipulating an object with a refcount of zero. So, instead we
* check the aggregate reference count.
*/
bool
Object::CheckLoose (void) const
{
uint32_t refcount = 0;
const Object *current = this;
do
{
refcount += current->m_count;
current = current->m_next;
}
while (current != this);
return (refcount > 0);
}
void
Object::MaybeDelete (void) const
{
// First, check if any of the attached
// Object has a non-zero count.
const Object *current = this;
do {
NS_ASSERT (current != 0);
if (current->m_count != 0)
{
return;
}
current = current->m_next;
} while (current != this);
// all attached objects have a zero count so,
// we can delete all attached objects.
current = this;
const Object *end = this;
do {
NS_ASSERT (current != 0);
Object *next = current->m_next;
delete current;
current = next;
} while (current != end);
}
void
Object::DoCollectSources (std::string path, const TraceContext &context,
TraceResolver::SourceCollection *collection) const
{
const Object *current;
current = this;
do {
if (current->m_collecting)
{
return;
}
current = current->m_next;
} while (current != this);
m_collecting = true;
current = this->m_next;
while (current != this)
{
NS_ASSERT (current != 0);
NS_LOG_LOGIC ("collect current=" << current);
InterfaceId cur = current->m_iid;
while (cur != Object::iid ())
{
std::string name = cur.GetName ();
std::string fullpath = path;
fullpath.append ("/$");
fullpath.append (name);
NS_LOG_LOGIC("collect: " << fullpath);
current->GetTraceResolver ()->CollectSources (fullpath, context, collection);
cur = cur.GetParent ();
}
current = current->m_next;
}
m_collecting = false;
}
void
Object::DoTraceAll (std::ostream &os, const TraceContext &context) const
{
const Object *current;
current = this;
do {
if (current->m_collecting)
{
return;
}
current = current->m_next;
} while (current != this);
m_collecting = true;
current = this->m_next;
while (current != this)
{
NS_ASSERT (current != 0);
current->GetTraceResolver ()->TraceAll (os, context);
current = current->m_next;
}
m_collecting = false;
}
} // namespace ns3
#ifdef RUN_SELF_TESTS
#include "test.h"
#include "sv-trace-source.h"
#include "composite-trace-resolver.h"
namespace {
class BaseA : public ns3::Object
{
public:
static ns3::InterfaceId iid (void) {
static ns3::InterfaceId iid = ns3::InterfaceId ("BaseA")
.SetParent (Object::iid ())
.AddConstructor<BaseA> ();
return iid;
}
BaseA ()
{}
void BaseGenerateTrace (int16_t v)
{ m_source = v; }
virtual void Dispose (void) {}
virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void) const
{
ns3::Ptr<ns3::CompositeTraceResolver> resolver =
ns3::Create<ns3::CompositeTraceResolver> ();
resolver->AddSource ("basea-x", ns3::TraceDoc ("test source"), m_source);
resolver->SetParentResolver (Object::GetTraceResolver ());
return resolver;
}
ns3::SVTraceSource<int16_t> m_source;
};
class DerivedA : public BaseA
{
public:
static ns3::InterfaceId iid (void) {
static ns3::InterfaceId iid = ns3::InterfaceId ("DerivedA")
.SetParent (BaseA::iid ())
.AddConstructor<DerivedA,int> ();
return iid;
}
DerivedA (int v)
{}
void DerivedGenerateTrace (int16_t v)
{ m_sourceDerived = v; }
virtual void Dispose (void) {
BaseA::Dispose ();
}
virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void) const
{
ns3::Ptr<ns3::CompositeTraceResolver> resolver =
ns3::Create<ns3::CompositeTraceResolver> ();
resolver->AddSource ("deriveda-x", ns3::TraceDoc ("test source"), m_sourceDerived);
resolver->SetParentResolver (BaseA::GetTraceResolver ());
return resolver;
}
ns3::SVTraceSource<int16_t> m_sourceDerived;
};
class BaseB : public ns3::Object
{
public:
static ns3::InterfaceId iid (void) {
static ns3::InterfaceId iid = ns3::InterfaceId ("BaseB")
.SetParent (Object::iid ())
.AddConstructor<BaseB> ();
return iid;
}
BaseB ()
{}
void BaseGenerateTrace (int16_t v)
{ m_source = v; }
virtual void Dispose (void) {}
virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void) const
{
ns3::Ptr<ns3::CompositeTraceResolver> resolver =
ns3::Create<ns3::CompositeTraceResolver> ();
resolver->AddSource ("baseb-x", ns3::TraceDoc ("test source"), m_source);
resolver->SetParentResolver (Object::GetTraceResolver ());
return resolver;
}
ns3::SVTraceSource<int16_t> m_source;
};
class DerivedB : public BaseB
{
public:
static ns3::InterfaceId iid (void) {
static ns3::InterfaceId iid = ns3::InterfaceId ("DerivedB")
.SetParent (BaseB::iid ())
.AddConstructor<DerivedB,int> ();
return iid;
}
DerivedB (int v)
{}
void DerivedGenerateTrace (int16_t v)
{ m_sourceDerived = v; }
virtual void Dispose (void) {
BaseB::Dispose ();
}
virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void) const
{
ns3::Ptr<ns3::CompositeTraceResolver> resolver =
ns3::Create<ns3::CompositeTraceResolver> ();
resolver->AddSource ("derivedb-x", ns3::TraceDoc ("test source"), m_sourceDerived);
resolver->SetParentResolver (BaseB::GetTraceResolver ());
return resolver;
}
ns3::SVTraceSource<int16_t> m_sourceDerived;
};
} // namespace anonymous
namespace ns3 {
class ObjectTest : public Test
{
public:
ObjectTest ();
virtual bool RunTests (void);
private:
void BaseATrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
void DerivedATrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
void BaseBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
void DerivedBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
bool m_baseATrace;
bool m_derivedATrace;
bool m_baseBTrace;
bool m_derivedBTrace;
};
ObjectTest::ObjectTest ()
: Test ("Object")
{}
void
ObjectTest::BaseATrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
{
m_baseATrace = true;
}
void
ObjectTest::DerivedATrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
{
m_derivedATrace = true;
}
void
ObjectTest::BaseBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
{
m_baseBTrace = true;
}
void
ObjectTest::DerivedBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
{
m_derivedBTrace = true;
}
bool
ObjectTest::RunTests (void)
{
bool result = true;
Ptr<BaseA> baseA = CreateObject<BaseA> ();
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (), baseA);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (DerivedA::iid ()), 0);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedA> (), 0);
baseA = CreateObject<DerivedA> (10);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (), baseA);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (DerivedA::iid ()), baseA);
NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<DerivedA> (), 0);
baseA = CreateObject<BaseA> ();
Ptr<BaseB> baseB = CreateObject<BaseB> ();
Ptr<BaseB> baseBCopy = baseB;
baseA->AddInterface (baseB);
NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseA> (), 0);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseB> (), 0);
NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedB> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseB> (), 0);
NS_TEST_ASSERT_EQUAL (baseB->QueryInterface<DerivedB> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseA> (), 0);
NS_TEST_ASSERT_EQUAL (baseB->QueryInterface<DerivedA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<BaseA> (), 0);
baseA = CreateObject<DerivedA> (1);
baseB = CreateObject<DerivedB> (1);
baseBCopy = baseB;
baseA->AddInterface (baseB);
NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<DerivedB> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseB> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<DerivedA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<DerivedA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<BaseA> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<DerivedB> (), 0);
NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseB> (), 0)
baseA = CreateObject<BaseA> ();
baseB = CreateObject<BaseB> ();
baseA->AddInterface (baseB);
baseA = 0;
baseA = baseB->QueryInterface<BaseA> ();
baseA = CreateObject<BaseA> ();
baseA->TraceConnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
m_baseATrace = false;
baseA->BaseGenerateTrace (1);
NS_TEST_ASSERT (m_baseATrace);
baseA->TraceDisconnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
baseB = CreateObject<BaseB> ();
baseB->TraceConnect ("/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
m_baseBTrace = false;
baseB->BaseGenerateTrace (2);
NS_TEST_ASSERT (m_baseBTrace);
baseB->TraceDisconnect ("/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
baseA->AddInterface (baseB);
baseA->TraceConnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
m_baseATrace = false;
baseA->BaseGenerateTrace (3);
NS_TEST_ASSERT (m_baseATrace);
baseA->TraceDisconnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
baseA->TraceConnect ("/$BaseB/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
m_baseBTrace = false;
baseB->BaseGenerateTrace (4);
NS_TEST_ASSERT (m_baseBTrace);
baseA->TraceDisconnect ("/$BaseB/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
m_baseBTrace = false;
baseB->BaseGenerateTrace (5);
NS_TEST_ASSERT (!m_baseBTrace);
baseB->TraceConnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
m_baseATrace = false;
baseA->BaseGenerateTrace (6);
NS_TEST_ASSERT (m_baseATrace);
baseB->TraceDisconnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
baseA->TraceConnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
m_baseATrace = false;
baseA->BaseGenerateTrace (7);
NS_TEST_ASSERT (m_baseATrace);
baseA->TraceDisconnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
Ptr<DerivedA> derivedA;
derivedA = CreateObject<DerivedA> (1);
baseB = CreateObject<BaseB> ();
derivedA->AddInterface (baseB);
baseB->TraceConnect ("/$DerivedA/deriveda-x", MakeCallback (&ObjectTest::DerivedATrace, this));
baseB->TraceConnect ("/$DerivedA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
m_derivedATrace = false;
m_baseATrace = false;
derivedA->DerivedGenerateTrace (8);
derivedA->BaseGenerateTrace (9);
NS_TEST_ASSERT (m_derivedATrace);
NS_TEST_ASSERT (m_baseATrace);
baseB->TraceDisconnect ("/$DerivedA/deriveda-x", MakeCallback (&ObjectTest::BaseATrace, this));
baseB->TraceDisconnect ("/$DerivedA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
baseB->TraceConnect ("/$DerivedA/*", MakeCallback (&ObjectTest::DerivedATrace, this));
m_derivedATrace = false;
derivedA->DerivedGenerateTrace (10);
NS_TEST_ASSERT (m_derivedATrace);
// here, we have connected the derived trace sink to all
// trace sources, including the base trace source.
m_derivedATrace = false;
derivedA->BaseGenerateTrace (11);
NS_TEST_ASSERT (m_derivedATrace);
baseB->TraceDisconnect ("/$DerivedA/*", MakeCallback (&ObjectTest::BaseATrace, this));
// Test the object creation code of InterfaceId
Ptr<Object> a = BaseA::iid ().CreateObject ();
NS_TEST_ASSERT_EQUAL (a->QueryInterface<BaseA> (), a);
NS_TEST_ASSERT_EQUAL (a->QueryInterface<BaseA> (DerivedA::iid ()), 0);
NS_TEST_ASSERT_EQUAL (a->QueryInterface<DerivedA> (), 0);
a = DerivedA::iid ().CreateObject (10);
NS_TEST_ASSERT_EQUAL (a->QueryInterface<BaseA> (), a);
NS_TEST_ASSERT_EQUAL (a->QueryInterface<BaseA> (DerivedA::iid ()), a);
NS_TEST_ASSERT_UNEQUAL (a->QueryInterface<DerivedA> (), 0);
return result;
}
static ObjectTest g_interfaceObjectTests;
} // namespace ns3
#endif /* RUN_SELF_TESTS */