constify

src/node/node-list.cc

@@ -67,9 +67,9 @@ public:
   ~NodeListPriv ();
 
   uint32_t Add (Ptr<Node> node);
-  NodeList::Iterator Begin (void);
-  NodeList::Iterator End (void);
-  Ptr<TraceResolver> GetTraceResolver (void);
+  NodeList::Iterator Begin (void) const;
+  NodeList::Iterator End (void) const;
+  Ptr<TraceResolver> GetTraceResolver (void) const;
   Ptr<Node> GetNode (uint32_t n);
   uint32_t GetNNodes (void);
 
@@ -101,12 +101,12 @@ NodeListPriv::Add (Ptr<Node> node)
   
 }
 NodeList::Iterator 
-NodeListPriv::Begin (void)
+NodeListPriv::Begin (void) const
 {
   return m_nodes.begin ();
 }
 NodeList::Iterator 
-NodeListPriv::End (void)
+NodeListPriv::End (void) const
 {
   return m_nodes.end ();
 }
@@ -124,7 +124,7 @@ NodeListPriv::GetNode (uint32_t n)
 
 
 Ptr<TraceResolver>
-NodeListPriv::GetTraceResolver (void)
+NodeListPriv::GetTraceResolver (void) const
 {
   Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> ();
   resolver->AddArray ("nodes", Begin (), End (), NodeListIndex ());

src/node/node-list.h

@@ -54,7 +54,7 @@ private:
 class NodeList
 {
 public:
-  typedef std::vector< Ptr<Node> >::iterator Iterator;
+  typedef std::vector< Ptr<Node> >::const_iterator Iterator;
 
   /**
    * \param node node to add

src/node/node.cc

@@ -87,7 +87,7 @@ Node::~Node ()
 {}
 
 Ptr<TraceResolver>
-Node::GetTraceResolver (void)
+Node::GetTraceResolver (void) const
 {
   Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> ();
   resolver->AddArray ("devices", m_devices.begin (), m_devices.end (), NodeNetDeviceIndex ());

src/node/node.h

@@ -173,7 +173,7 @@ public:
   void UnregisterProtocolHandler (ProtocolHandler handler);
 
 protected:
-  virtual Ptr<TraceResolver> GetTraceResolver (void);
+  virtual Ptr<TraceResolver> GetTraceResolver (void) const;
   /**
    * The dispose method. Subclasses must override this method
    * and must chain up to it by calling Node::DoDispose at the

src/node/queue.cc

@@ -100,7 +100,7 @@ Queue::~Queue()
 }
 
 Ptr<TraceResolver>
-Queue::GetTraceResolver (void)
+Queue::GetTraceResolver (void) const
 {
   Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> ();
   resolver->AddSource ("enqueue", 

src/node/queue.h

@@ -166,7 +166,7 @@ private:
   virtual bool DoPeek (Packet &p) = 0;
 
 protected:
-  Ptr<TraceResolver> GetTraceResolver (void);
+  Ptr<TraceResolver> GetTraceResolver (void) const;
   // called by subclasses to notify parent of packet drops.
   void Drop (const Packet& p);