[ndnSIM] cannot find Find (const Name &prefix) in ns3::ndn::Fib
yao hu
huyao0107 at gmail.com
Wed Mar 20 03:43:36 PDT 2013
Hi Alex,
Thanks for reply to my previous question. Now I am continuing my work.
I want to look up FIB when Data packet comes (doing this in
ForwardingStrategy::DidReceiveSolicitedData()), however I cannot find the
call Find (const Name &prefix) in my local file model/fib/ndn-fib.h which
is shown on the online API documentation. So I added (1) into ndn-fib.h and
(2) into ndn-fib-impl.cc, but after compiling, it shows the error message
(3).
What else should I do? Or is there any other ways to look up FIB
(fib::Entry should be returned) in the call
ForwardingStrategy::DidReceiveSolicitedData()?
Thanks very much!
---
(1)
virtual Ptr<fib::Entry>
Find (const Name &prefix) = 0;
(2)
Ptr<fib::Entry>
FibImpl::Find (const Name &prefix)
{
super::iterator item = super::find_exact (prefix);
if (item == super::end ())
return 0;
else
return item->payload ();
}
(3)
../src/ndnSIM/model/fib/ndn-fib-impl.cc:88:34: error: no
‘ns3::Ptr<ns3::ndn::fib::Entry> ns3::ndn::fib::FibImpl::Find(const
ns3::ndn::Name&)’ member function declared in class ‘ns3::ndn::fib::FibImpl’
In file included from ./ns3/object-base.h:23:0,
from ./ns3/object.h:29,
from ./ns3/node.h:26,
from ./ns3/ndn-fib.h:25,
from ../src/ndnSIM/model/fib/ndn-fib-impl.h:24,
from ../src/ndnSIM/model/fib/ndn-fib-impl.cc:21:
./ns3/type-id.h: In static member function ‘static ns3::ObjectBase*
ns3::TypeId::AddConstructor()::Maker::Create() [with T =
ns3::ndn::fib::FibImpl]’:
./ns3/type-id.h:396:59: instantiated from ‘ns3::TypeId
ns3::TypeId::AddConstructor() [with T = ns3::ndn::fib::FibImpl]’
../src/ndnSIM/model/fib/ndn-fib-impl.cc:51:31: instantiated from here
./ns3/type-id.h:392:34: error: cannot allocate an object of abstract type
‘ns3::ndn::fib::FibImpl’
../src/ndnSIM/model/fib/ndn-fib-impl.h:66:7: note: because the following
virtual functions are pure within ‘ns3::ndn::fib::FibImpl’:
./ns3/ndn-fib.h:70:3: note: virtual ns3::Ptr<ns3::ndn::fib::Entry>
ns3::ndn::Fib::Find(const ns3::ndn::Name&)
Waf: Leaving directory `/root/ndnSIM/ns-3/build'
Build failed
-> task in 'ns3-ndnSIM' failed (exit status 1):
{task 167312460: cxx ndn-fib-impl.cc -> ndn-fib-impl.cc.1.o}
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