[Nfd-dev] Fwd: How to evict a specific item from the content store(nfd:cs)

Junxiao Shi shijunxiao at email.arizona.edu
Fri Feb 2 04:24:38 PST 2018


Hi Junjie

Thanks for describing your use case.
As I said, this feature is https://redmine.named-data.net/issues/4318 and
it’ll come in a few months. Use the “Watch” button on that page to
subscribe to email updates so you’ll be the first to know when it’s being
worked on.

Yours, Junxiao

On Fri, Feb 2, 2018 at 07:17 小杰许 <xujunjie1221 at gmail.com> wrote:

>
> ---------- Forwarded message ----------
> From: 小杰许 <xujunjie1221 at gmail.com>
> Date: 2018-02-02 14:53 GMT+08:00
> Subject: Re: [Nfd-dev] How to evict a specific item from the content
> store(nfd:cs)
> To: Junxiao Shi <shijunxiao at email.arizona.edu>
>
>
> Thanks for your reply!
> 1、I want to design a central controller to manage all the edge nodes, and
> the replacement policy should be decided by the central controller after
> received a tag, which including a item name.
>
> 2、NFD itself calling this. in forwarder.cpp
>
> 3、erasing one entry, under the same prefix
>
> 4、I  convers the name.at(-1).toUri into uint64_t, then put the uint64_t
> item into a Tag. So the calling process doesn't know the whole data name
> cause I find the Tag can only be used in int type.
>
> Thanks, I really need this function of cs but I still can't solve it until
> now.
>
>
>
> 2018-01-30 19:21 GMT+08:00 Junxiao Shi <shijunxiao at email.arizona.edu>:
>
>> Hi Junjie
>>
>> Cs::erase remains unimplemented because there's no use case for that, but
>> it's going to come in a few months. Use the "Watch" button on
>> https://redmine.named-data.net/issues/4318 to get notified, and be
>> patient.
>>
>> Since the above issue is still in design stage, it would be nice for you
>> to describe your use case. Your answers will help the assignee to improve
>> the design.
>> * Why do you want to erase specific Data?
>> * What's the calling process? NFD itself (which module?) or an
>> application?
>> * Are you erasing one entry, or multiple entries under the same prefix?
>> * Does the calling process knows the exact Data name(s)?
>> You may answer these questions by REPLY-ALL to this email, or post them
>> on Redmine.
>>
>> Yours, Junxiao
>>
>>
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