Hey Shuxin,

> As far as I can understand, your change is just to add trailer headers
> (not including the part that paring incoming
> trailer header from upstream, or merge the incoming trailer and generated
> trailer). If that is correct, you just need
> to add "trailer: hdr1,hdr2... hdrn" to the out-headers.

Did you look at both patches I've sent?
http://mailman.nginx.org/pipermail/nginx-devel/2016-June/008429.html
http://mailman.nginx.org/pipermail/nginx-devel/2016-June/008430.html

Because they cover much more than just adding "Trailer" header.

> TE is for something
> else as Maxim pointed out,
> and adding this header can be done in chunked-filter-module as well.

"TE" is a _request_ header, so I don't see how adding it to response
is relevant here.

And yes, "TE" header could be parsed in chunked filter, but it's IMHO
wrong place to do it, since you need to parse this header in HTTP/2
requests as well.

> My previous implementation of generating trailer header is completely done
> in chunk-module. Later on, I change
> my mind, and add a standalone module along with minor change to configure
> script.

Does you implementation support trailers in HTTP/2 as well?

Best regards,
Piotr Sikora

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