Hi,
The mailing list doesn't allow attachments. Would you mind creating a
ticket and attaching the patch?

Also, I believe someone recently fixed ESI in trunk (3.1.x), have you
by any chance taken a look at the fixes there?

Thanks for the contribution.

Brian


On May 6, 2012, at 12:12 AM, Shu Kit Chan <chanshu...@gmail.com> wrote:

> Hi,
>
> Is the current ESI plugin actually working? I saw TS 1103 and it is
> closed so I thought it is working. When I tried to compile it and make
> it work with traffic server 3.0.4, I got some problems. Even when i
> manage to compile it, the runtime is not actually working, too.
>
> So i decided to try to fix it. Here are the list of problems I find and fix.
>
> 1) Some "if" statements are checking whether the TS functions are
> returning 0 or not but actually we should check against TS_SUCCESS or
> TS_ERROR
>
> 2) TSFetchUrl is still requiring ip and port as parameters so we need
> to pass them in
>
> 3) VConnWrite() should use INT64_MAX instead of INT_MAX. This is
> causing the ESI template with ESI include to return with a 2^32 -1
> content legnth and causing the client to hang till timeout.
>
> 4) There is a mechanism to cache a parsed version of ESI template
> through a POST request internally but I find it hard to get it
> working. I can't get my ESI template with a valid cache control header
> to get properly cached in ats (which is somewhat useful to what i do).
> So I try to disable that.
>
> So attached is the diff. My fixes for #4 is quite hacky and there are
> actually lots of things we don't need if we don't do the internal POST
> request.
>
> The plugin seems to work well. I tested with ESI try/attempt/except
> syntax in my ESI response. I tested with multiple ESI includes. I
> tested with cache control header added for the ESI response so that I
> get the ESI Response cached in ats and subsequent requests will simply
> get the ESI response from cache instead of OS server. Gzip is also
> working, too.
>
> Any comments or reviews? worthly for a jira ticket to check it in?
>
> Thanks.
>
> Kit

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