[ndnSIM] [EXT] Need Support in setting PITEntry Life time (ndnsim version 2.8)

[Junxiao Shi]

Hi Abbas

PIT entry is created when an Interest arrives at a node and is accepted for
forwarding.
It is deleted as soon as the Interest is satisfied by Data or when it times
out without being satisfied.
In the latter case, the timeout is, by default, the InterestLifetime field
in the packet.

When you set a lifetime on the consumer, it specifies the InterestLifetime
value that the consumer puts into the packets, which in turn influences the
lifetime of a PIT entry.
In the absence of retransmission and aggregation, it would be the maximum
lifetime of a PIT entry.

Yours, Junxiao

On Sun, Sep 12, 2021, 15:04 Abbas Hussain via ndnSIM <
ndnsim at lists.cs.ucla.edu> wrote:

> *External Email*
>
> I want to set the PITEntry lifetime to 4S. For  NDNSim version 2.8, I came
> to know that the PITEntry Lifetime can be set by setting the Lifetime as
> follows:
>
> consumerHelper.SetAttribute("LifeTime", StringValue("6s"));
>
> I need information that by using the aforementioned command, what will be
> the lifetime of PITEntry??? How can I verify it?????
>
>  How can I check the PITEntry lifetime??? The following two different
> codes is giving me error
>
> ns3::Time time;
>
>        shared_ptr<pit::Entry> pitEntry1;
>
>               pitEntry1 = m_pit.insert(interest).first;
>
>        time = m_pit.MaxPitEntryLifetime();
>
>               or
>
> ns3::Time time;
>
>        shared_ptr<pit::Entry> pitEntry1;
>
>               pitEntry1 = m_pit.insert(interest).first;
>
>        time = pitEntry1.MaxPitEntryLifetime();
>
>
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