[ndnSIM] [EXT] Error running a scenario after making a change

[Junxiao Shi]

Hi Pawan

Either "added a single line to the .cc file in the scratch folder" or "Our
complete setup was working without any issues before adding this line" is
false.
Did you perform any of the following actions?

   - Upgrade or downgrade ndnSIM (e.g. git pull)
   - Upgrade or downgrade the scenario template
   - Upgrade or downgrade the ndn-cxx or NFD submodules


Most likely, one of the above is not ndnSIM v2.0, but a later version.
"LocalControlHeader" is present in ndnSIM v2.0 (released 5 years ago), but
deleted in later versions.

Yours, Junxiao

On Mon, Aug 3, 2020 at 2:48 PM Pawan Subedi <psubedi at crimson.ua.edu> wrote:

> *External Email*
> Dear ndnSim team,
>
> My research group had a scenario using ndnSim2.0 and it was running all
> good. I made a simple change to the scenario (added a single line to the
> .cc file in the scratch folder) and now when I try to run the scenario, it
> throws errors. Our complete setup was working without any issues before
> adding this line. Here are the error messages and I am not sure why a
> previously working system is throwing these errors.
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:90:43: error:
> ‘LocalControlHeader’ in namespace ‘ndn::nfd’ does not name a type
>    isEmptyFilteredLocalControlHeader(const ndn::nfd::LocalControlHeader&
> header) const;
>                                            ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:90:73: error: ISO C++ forbids
> declaration of ‘header’ with no type [-fpermissive]
>    isEmptyFilteredLocalControlHeader(const ndn::nfd::LocalControlHeader&
> header) const;
>                                                                          ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp: In member function ‘bool
> nfd::LocalFace::decodeAndDispatchInput(const ndn::Block&)’:
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:142:38: error:
> ‘ndn::nfd::LocalControlHeader’ has not been declared
>      const Block& payload =
> ndn::nfd::LocalControlHeader::getPayload(element);
>                                       ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:156:33: error:
> ‘ndn::nfd::LocalControlHeader’ has not been declared
>                mask |= ndn::nfd::LocalControlHeader::ENCODE_NEXT_HOP;
>                                  ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:158:16: error: ‘class
> ndn::Interest’ has no member named ‘getLocalControlHeader’
>              i->getLocalControlHeader().wireDecode(element, mask);
>                 ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp: At global scope:
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:192:52: error:
> ‘LocalControlHeader’ in namespace ‘ndn::nfd’ does not name a type
>  LocalFace::isEmptyFilteredLocalControlHeader(const
> ndn::nfd::LocalControlHeader& header) const
>                                                     ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:192:82: error: ISO C++ forbids
> declaration of ‘header’ with no type [-fpermissive]
>  LocalFace::isEmptyFilteredLocalControlHeader(const
> ndn::nfd::LocalControlHeader& header) const
>
>         ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp: In member function ‘bool
> nfd::LocalFace::isEmptyFilteredLocalControlHeader(const int&) const’:
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:199:23: error:
> ‘ndn::nfd::LocalControlHeader’ has not been declared
>      mask |= ndn::nfd::LocalControlHeader::ENCODE_INCOMING_FACE_ID;
>                        ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:201:17: error: request for
> member ‘empty’ in ‘header’, which is of non-class type ‘const int’
>    return header.empty(mask);
>                  ^
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp: In member function
> ‘ndn::Block nfd::LocalFace::filterAndEncodeLocalControlHeader(const
> Packet&)’:
> ./ns3/ndnSIM/NFD/daemon/face/local-face.hpp:210:23: error:
> ‘ndn::nfd::LocalControlHeader’ has not been declared
>      mask |= ndn::nfd::LocalControlHeader::ENCODE_INCOMING_FACE_ID;
>
> I tried recompiling the project with ./waf configure and still, the error
> exists.
>
> Thank you!
>
> Sincerely,
> Pawan Subedi
>
>
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