[ndnSIM] Getting hop count

Ahmed Sadek don1559 at gmail.com
Thu Feb 25 13:55:02 PST 2016

Is it pkt or pkg ?

On Thu, Feb 25, 2016 at 9:36 PM, Fabio Campioni <fcampioni at algomau.ca>

> I am trying to get the hop count from a packet in a custom content
> store implementation policy I am working on, in the latest version of
> ndnSIM (2.1).
> I have created my own policy_traits struct based on the ones already
> present. I have also instantiated a ContentStoreImpl class with the new
> policy traits. In the insert method, I have the following code:
> Ptr<const Packet> pkt = item->payload()->GetPacket();
> FwHopCountTag tag;
> pkg->PeekPacketTag(tag);
> However, when compiling, I get an error message:
> ../src/ndnSIM/model/cs/../../utils/trie/hop-policy.hpp:105:60: error:
> ‘class
> ns3::ndn::cs::EntryImpl<ns3::ndn::cs::ContentStoreImpl<ns3::ndn::ndnSIM
> ::hop_policy_traits> >’ has no member named ‘GetPacket’
>          Ptr<const Packet> pkt = item->payload()->GetPacket();
> I have even made sure to include "ndn-fw-hop-count-tag.hpp" in the
> file, but it still has not made any difference. Not sure if that method
> has been depreciated or if I am overseeing something. If anyone has any
> advice I would greatly appreciate it. Thank you.
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