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Message from discussion 32bit address issue (ns-3.2 stable)
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Norman  
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 More options Nov 24 2008, 8:04 am
From: Norman <baz.nor...@yahoo.com>
Date: Mon, 24 Nov 2008 05:04:12 -0800 (PST)
Local: Mon, Nov 24 2008 8:04 am
Subject: Re: 32bit address issue (ns-3.2 stable)
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Hi Gustavo,

Many thanks for your suggestion.
Are you sure that this object/functions are meant to use directly?
From what I see there is not header file in "./build/debug/ns3/" for
Ipv4LoopbackInterface.
[ this is not a problem since I can use the one from "./src/internet-
stack",
but what bothers me is the fact that AddIpv4Interface() method is
private for object "Ipv4L3Protocol" and I'm not sure how to use it
properly before starting to modifying "ns".

Snip from: "src/internet-stack/ipv4-l3-protocol.cc":
void
Ipv4L3Protocol::SetupLoopback (void)
{
  NS_LOG_FUNCTION_NOARGS ();

  Ptr<Ipv4LoopbackInterface> interface =
CreateObject<Ipv4LoopbackInterface> ();
  interface->SetNode (m_node);
  interface->SetAddress (Ipv4Address::GetLoopback ());
  interface->SetNetworkMask (Ipv4Mask::GetLoopback ());
  uint32_t index = AddIpv4Interface (interface);
  AddHostRouteTo (Ipv4Address::GetLoopback (), index);
  interface->SetUp ();

}

And below what I'm trying to do:
void makerid2(char *ipaddr, Ptr<Node> n) {
  Ptr<Ipv4LoopbackInterface> interface =
CreateObject<Ipv4LoopbackInterface> ();
  Ptr<Ipv4StaticRouting> srt = CreateObject<Ipv4StaticRouting> ();
  Ipv4Address ip(ipaddr);
  interface->SetNode (n);
  interface->SetAddress (ip);
  interface->SetNetworkMask (0xffffffff);

  uint32_t index = AddIpv4Interface (interface);
  srt->AddHostRouteTo (ip, index);
  interface->SetUp ();

}

That's the error I get once trying to run it:
[469/513] cxx: scratch/myfirst.cc -> build/debug/scratch/myfirst_4.o
../scratch/myfirst.cc: In function 'void makerid2(char*,
ns3::Ptr<ns3::Node>)':
../scratch/myfirst.cc:236: error: 'AddIpv4Interface' was not declared
in this scope
Build failed
 -> task failed (err #129): [bld:///wrk/ns3/ns-3.2/scratch/
myfirst_4.o]

This is because AddIpv4Interface is a private method,
any idea how to solve it nicely without any modification to ns?

Thanks,

--
Norbert


 
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