572 lines
16 KiB
C++
572 lines
16 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA, Gustavo Carneiro
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Authors: Gustavo Carneiro <gjcarneiro@gmail.com>,
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* Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "object.h"
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#include "assert.h"
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#include "singleton.h"
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#include "uid-manager.h"
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#include "trace-resolver.h"
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#include <vector>
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namespace {
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class IidManager : public ns3::UidManager
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{};
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class IidTree
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{
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public:
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void SetParent (uint16_t child, const uint16_t *parent);
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uint16_t LookupParent (uint16_t child);
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private:
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std::vector<const uint16_t *> m_parents;
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};
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void
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IidTree::SetParent (uint16_t child, const uint16_t *parent)
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{
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m_parents.resize (child+1);
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m_parents[child] = parent;
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}
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uint16_t
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IidTree::LookupParent (uint16_t child)
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{
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NS_ASSERT (child < m_parents.size ());
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return *(m_parents[child]);
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}
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} // anonymous namespace
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namespace ns3 {
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class InterfaceIdTraceResolver : public TraceResolver
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{
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public:
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InterfaceIdTraceResolver (Ptr<Object> aggregate);
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virtual void Connect (std::string path, CallbackBase const &cb, const TraceContext &context);
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virtual void Disconnect (std::string path, CallbackBase const &cb);
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virtual void PrintAvailable (std::string path, const TraceContext &context, std::ostream &os);
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private:
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Ptr<Object> ParseForInterface (std::string path);
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Ptr<Object> m_aggregate;
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};
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InterfaceIdTraceResolver::InterfaceIdTraceResolver (Ptr<Object> aggregate)
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: m_aggregate (aggregate)
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{}
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Ptr<Object>
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InterfaceIdTraceResolver::ParseForInterface (std::string path)
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{
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std::string element = GetElement (path);
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std::string::size_type dollar_pos = element.find ("$");
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if (dollar_pos != 0)
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{
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return 0;
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}
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std::string interfaceName = element.substr (1, std::string::npos);
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InterfaceId interfaceId = InterfaceId::LookupByName (interfaceName);
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Ptr<Object> interface = m_aggregate->QueryInterface<Object> (interfaceId);
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return interface;
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}
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void
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InterfaceIdTraceResolver::Connect (std::string path, CallbackBase const &cb, const TraceContext &context)
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{
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Ptr<Object> interface = ParseForInterface (path);
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if (interface != 0)
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{
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interface->GetTraceResolver ()->Connect (GetSubpath (path), cb, context);
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}
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}
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void
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InterfaceIdTraceResolver::Disconnect (std::string path, CallbackBase const &cb)
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{
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Ptr<Object> interface = ParseForInterface (path);
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if (interface != 0)
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{
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interface->TraceDisconnect (GetSubpath (path), cb);
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}
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}
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void
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InterfaceIdTraceResolver::PrintAvailable (std::string path, const TraceContext &context, std::ostream &os)
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{
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}
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InterfaceId::InterfaceId (uint16_t iid)
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: m_iid (iid)
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{}
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InterfaceId::~InterfaceId ()
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{}
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InterfaceId
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InterfaceId::LookupByName (std::string name)
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{
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uint32_t uid = Singleton<IidManager>::Get ()->LookupByName (name);
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NS_ASSERT (uid != 0 && uid <= 0xffff);
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return InterfaceId (uid);
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}
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InterfaceId
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InterfaceId::LookupParent (InterfaceId iid)
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{
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return Singleton<IidTree>::Get ()->LookupParent (iid.m_iid);
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}
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bool operator == (const InterfaceId &a, const InterfaceId &b)
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{
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return a.m_iid == b.m_iid;
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}
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bool operator != (const InterfaceId &a, const InterfaceId &b)
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{
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return a.m_iid != b.m_iid;
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}
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InterfaceId
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MakeInterfaceId (std::string name, const InterfaceId &parent)
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{
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uint32_t uid = Singleton<IidManager>::Get ()->Allocate (name);
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NS_ASSERT (uid <= 0xffff);
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InterfaceId iid = uid;
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Singleton<IidTree>::Get ()->SetParent (iid.m_iid, &parent.m_iid);
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return iid;
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}
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InterfaceId
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MakeObjectInterfaceId (void)
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{
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InterfaceId iid = Singleton<IidManager>::Get ()->Allocate ("Object");
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Singleton<IidTree>::Get ()->SetParent (iid.m_iid, &iid.m_iid);
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return iid;
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}
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const InterfaceId Object::iid = MakeObjectInterfaceId ();
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Object::Object ()
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: m_count (1),
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m_iid (Object::iid),
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m_disposed (false),
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m_next (this)
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{}
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Object::~Object ()
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{
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m_next = 0;
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}
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Ptr<Object>
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Object::DoQueryInterface (InterfaceId iid) const
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{
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NS_ASSERT (Check ());
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const Object *currentObject = this;
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do {
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NS_ASSERT (currentObject != 0);
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InterfaceId cur = currentObject->m_iid;
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while (cur != iid && cur != Object::iid)
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{
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cur = InterfaceId::LookupParent (cur);
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}
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if (cur == iid)
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{
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return const_cast<Object *> (currentObject);
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}
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currentObject = currentObject->m_next;
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} while (currentObject != this);
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return 0;
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}
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void
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Object::Dispose (void)
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{
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Object *current = this;
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do {
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NS_ASSERT (current != 0);
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NS_ASSERT (!current->m_disposed);
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current->DoDispose ();
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current->m_disposed = true;
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current = current->m_next;
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} while (current != this);
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}
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void
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Object::AddInterface (Ptr<Object> o)
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{
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NS_ASSERT (!m_disposed);
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NS_ASSERT (!o->m_disposed);
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NS_ASSERT (Check ());
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NS_ASSERT (o->Check ());
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Object *other = PeekPointer (o);
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Object *next = m_next;
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m_next = other->m_next;
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other->m_next = next;
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NS_ASSERT (Check ());
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NS_ASSERT (o->Check ());
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}
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void
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Object::TraceConnect (std::string path, const CallbackBase &cb)
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{
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GetTraceResolver ()->Connect (path, cb, TraceContext ());
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}
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void
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Object::TraceDisconnect (std::string path, const CallbackBase &cb)
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{
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GetTraceResolver ()->Disconnect (path, cb);
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}
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void
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Object::SetInterfaceId (InterfaceId iid)
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{
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NS_ASSERT (Check ());
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m_iid = iid;
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}
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void
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Object::DoDispose (void)
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{
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NS_ASSERT (!m_disposed);
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}
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Ptr<TraceResolver>
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Object::GetTraceResolver (void)
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{
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Ptr<InterfaceIdTraceResolver> resolver =
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Create<InterfaceIdTraceResolver> (this);
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return resolver;
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}
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bool
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Object::Check (void) const
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{
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return (m_count > 0);
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}
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void
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Object::MaybeDelete (void) const
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{
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// First, check if any of the attached
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// Object has a non-zero count.
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const Object *current = this;
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do {
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NS_ASSERT (current != 0);
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if (current->m_count != 0)
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{
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return;
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}
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current = current->m_next;
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} while (current != this);
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// all attached objects have a zero count so,
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// we can delete all attached objects.
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current = this;
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const Object *end = this;
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do {
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NS_ASSERT (current != 0);
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Object *next = current->m_next;
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delete current;
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current = next;
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} while (current != end);
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}
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} // namespace ns3
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#ifdef RUN_SELF_TESTS
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#include "test.h"
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#include "sv-trace-source.h"
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#include "composite-trace-resolver.h"
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namespace {
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class BaseA : public ns3::Object
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{
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public:
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static const ns3::InterfaceId iid;
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BaseA ()
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{
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SetInterfaceId (BaseA::iid);
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}
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void BaseGenerateTrace (int16_t v)
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{ m_source = v; }
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virtual void Dispose (void) {}
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virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void)
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{
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ns3::Ptr<ns3::CompositeTraceResolver> resolver =
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ns3::Create<ns3::CompositeTraceResolver> ();
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resolver->AddSource ("basea-x", m_source);
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resolver->SetParent (Object::GetTraceResolver ());
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return resolver;
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}
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ns3::SVTraceSource<int16_t> m_source;
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};
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class DerivedA : public BaseA
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{
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public:
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static const ns3::InterfaceId iid;
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DerivedA (int v)
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{
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SetInterfaceId (DerivedA::iid);
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}
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void DerivedGenerateTrace (int16_t v)
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{ m_sourceDerived = v; }
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virtual void Dispose (void) {
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BaseA::Dispose ();
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}
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virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void)
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{
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ns3::Ptr<ns3::CompositeTraceResolver> resolver =
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ns3::Create<ns3::CompositeTraceResolver> ();
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resolver->AddSource ("deriveda-x", m_sourceDerived);
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resolver->SetParent (BaseA::GetTraceResolver ());
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return resolver;
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}
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ns3::SVTraceSource<int16_t> m_sourceDerived;
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};
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const ns3::InterfaceId BaseA::iid =
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ns3::MakeInterfaceId ("BaseA", Object::iid);
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const ns3::InterfaceId DerivedA::iid =
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ns3::MakeInterfaceId ("DerivedA", BaseA::iid);;
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class BaseB : public ns3::Object
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{
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public:
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static const ns3::InterfaceId iid;
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BaseB ()
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{
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SetInterfaceId (BaseB::iid);
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}
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void BaseGenerateTrace (int16_t v)
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{ m_source = v; }
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virtual void Dispose (void) {}
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virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void)
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{
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ns3::Ptr<ns3::CompositeTraceResolver> resolver =
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ns3::Create<ns3::CompositeTraceResolver> ();
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resolver->AddSource ("baseb-x", m_source);
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resolver->SetParent (Object::GetTraceResolver ());
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return resolver;
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}
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ns3::SVTraceSource<int16_t> m_source;
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};
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class DerivedB : public BaseB
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{
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public:
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static const ns3::InterfaceId iid;
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DerivedB (int v)
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{
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SetInterfaceId (DerivedB::iid);
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}
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void DerivedGenerateTrace (int16_t v)
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{ m_sourceDerived = v; }
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virtual void Dispose (void) {
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BaseB::Dispose ();
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}
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virtual ns3::Ptr<ns3::TraceResolver> GetTraceResolver (void)
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{
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ns3::Ptr<ns3::CompositeTraceResolver> resolver =
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ns3::Create<ns3::CompositeTraceResolver> ();
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resolver->AddSource ("derivedb-x", m_sourceDerived);
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resolver->SetParent (BaseB::GetTraceResolver ());
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return resolver;
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}
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ns3::SVTraceSource<int16_t> m_sourceDerived;
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};
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const ns3::InterfaceId BaseB::iid =
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ns3::MakeInterfaceId ("BaseB", Object::iid);
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const ns3::InterfaceId DerivedB::iid =
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ns3::MakeInterfaceId ("DerivedB", BaseB::iid);;
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} // namespace anonymous
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namespace ns3 {
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class ObjectTest : public Test
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{
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public:
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ObjectTest ();
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virtual bool RunTests (void);
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private:
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void BaseATrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
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void DerivedATrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
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void BaseBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
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void DerivedBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue);
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bool m_baseATrace;
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bool m_derivedATrace;
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bool m_baseBTrace;
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bool m_derivedBTrace;
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};
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ObjectTest::ObjectTest ()
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: Test ("Object")
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{}
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void
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ObjectTest::BaseATrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
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{
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m_baseATrace = true;
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}
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void
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ObjectTest::DerivedATrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
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{
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m_derivedATrace = true;
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}
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void
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ObjectTest::BaseBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
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{
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m_baseBTrace = true;
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}
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void
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ObjectTest::DerivedBTrace (const TraceContext &context, int64_t oldValue, int64_t newValue)
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{
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m_derivedBTrace = true;
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}
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bool
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ObjectTest::RunTests (void)
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{
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bool result = true;
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Ptr<BaseA> baseA = Create<BaseA> ();
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (BaseA::iid), baseA);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (DerivedA::iid), 0);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedA> (DerivedA::iid), 0);
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baseA = Create<DerivedA> (10);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (BaseA::iid), baseA);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<BaseA> (DerivedA::iid), baseA);
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NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<DerivedA> (DerivedA::iid), 0);
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baseA = Create<BaseA> ();
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Ptr<BaseB> baseB = Create<BaseB> ();
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Ptr<BaseB> baseBCopy = baseB;
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baseA->AddInterface (baseB);
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NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseA> (BaseA::iid), 0);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedA> (DerivedA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseB> (BaseB::iid), 0);
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NS_TEST_ASSERT_EQUAL (baseA->QueryInterface<DerivedB> (DerivedB::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseB> (BaseB::iid), 0);
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NS_TEST_ASSERT_EQUAL (baseB->QueryInterface<DerivedB> (DerivedB::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseA> (BaseA::iid), 0);
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NS_TEST_ASSERT_EQUAL (baseB->QueryInterface<DerivedA> (DerivedA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<BaseA> (BaseA::iid), 0);
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baseA = Create<DerivedA> (1);
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baseB = Create<DerivedB> (1);
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baseBCopy = baseB;
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baseA->AddInterface (baseB);
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NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<DerivedB> (DerivedB::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseA->QueryInterface<BaseB> (BaseB::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<DerivedA> (DerivedA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseA> (BaseA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<DerivedA> (DerivedA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseBCopy->QueryInterface<BaseA> (BaseA::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<DerivedB> (DerivedB::iid), 0);
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NS_TEST_ASSERT_UNEQUAL (baseB->QueryInterface<BaseB> (BaseB::iid), 0)
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baseA = Create<BaseA> ();
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baseB = Create<BaseB> ();
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baseA->AddInterface (baseB);
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baseA = 0;
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baseA = baseB->QueryInterface<BaseA> (BaseA::iid);
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baseA = Create<BaseA> ();
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baseA->TraceConnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
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m_baseATrace = false;
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baseA->BaseGenerateTrace (1);
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NS_TEST_ASSERT (m_baseATrace);
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baseA->TraceDisconnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
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baseB = Create<BaseB> ();
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baseB->TraceConnect ("/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
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m_baseBTrace = false;
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baseB->BaseGenerateTrace (2);
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NS_TEST_ASSERT (m_baseBTrace);
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baseB->TraceDisconnect ("/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
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baseA->AddInterface (baseB);
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baseA->TraceConnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
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m_baseATrace = false;
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baseA->BaseGenerateTrace (3);
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NS_TEST_ASSERT (m_baseATrace);
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baseA->TraceDisconnect ("/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
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baseA->TraceConnect ("/$BaseB/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
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m_baseBTrace = false;
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baseB->BaseGenerateTrace (4);
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NS_TEST_ASSERT (m_baseBTrace);
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baseA->TraceDisconnect ("/$BaseB/baseb-x", MakeCallback (&ObjectTest::BaseBTrace, this));
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m_baseBTrace = false;
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baseB->BaseGenerateTrace (5);
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NS_TEST_ASSERT (!m_baseBTrace);
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baseB->TraceConnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
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|
m_baseATrace = false;
|
|
baseA->BaseGenerateTrace (6);
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|
NS_TEST_ASSERT (m_baseATrace);
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baseB->TraceDisconnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
|
|
|
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baseA->TraceConnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
|
|
m_baseATrace = false;
|
|
baseA->BaseGenerateTrace (7);
|
|
NS_TEST_ASSERT (m_baseATrace);
|
|
baseA->TraceDisconnect ("/$BaseA/basea-x", MakeCallback (&ObjectTest::BaseATrace, this));
|
|
|
|
Ptr<DerivedA> derivedA;
|
|
derivedA = Create<DerivedA> (1);
|
|
baseB = Create<BaseB> ();
|
|
derivedA->AddInterface (baseB);
|
|
baseB->TraceConnect ("/$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));
|
|
|
|
return result;
|
|
}
|
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|
|
static ObjectTest g_interfaceObjectTests;
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|
|
|
|
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} // namespace ns3
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|
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#endif /* RUN_SELF_TESTS */
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