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Re: So is "rewrite_by_lua" also evil?

October 15, 2011 07:40AM
On 15/10/2011 14:09, agentzh wrote:
> On Sat, Oct 15, 2011 at 6:43 PM, Eugaia<ngx.eugaia@gmail.com> wrote:
>> If you were just wrapping around set_var, then no. It would only be able to
>> handle non-reentrant code, just like setby.
>>
> Gathered so ;) I asked because I didn't want to miss any quick magic ;)
Nope. WYSIWYG. :-)
>> In order to have reentrant code, it would need to have a generic layer that
>> would be able to jump in/out of the script engine (and handle re-calling the
>> script engine post subrequest etc). The rewrite handler would also need to
>> be re-written to handle re-entering the script engine.
>>
>> The advantage of having a generic rewrite re-entrant layer, though, would be
>> that set_var would also be able to accept subrequests etc (assuming you used
>> that to base setby on).
>>
> I've been waiting for this feature for more than a year now ;)
Well, I've built a more generic scripting framework that implements
ngx_http_script_xxx - type stuff at any phase for which you can define
handlers, not just the rewrite phase, and have build a large number of
functions that work of this framework (echo, memcache, json parsing,
arrays, math functions, shell_exec and a bunch of other things). It is
almost able to do everything that you can do in ngx_lua (not quite, but
I'm getting there), as well as a few things I've not seen in Lua, and it
also works with the ngx_tcp_module (so you can do scripting on arbitrary
TCP traffic as well as at the various phases of HTTP requests). I've
had it running in production for a while, and am actively developing it,
I just haven't open-sourced it yet (I'm not sure yet whether I will or
not, so I'm holding off on doing so for the time being).

I could probably make what I've done work with the current Nginx and NDK
code, but since I'm not using the NDK set_var stuff for this scripting
stuff, I don't intend on spending quite a bit of time developing
something for the NDK that I'm never going to use.

Sorry.

Marcus.

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Subject Author Posted

So is "rewrite_by_lua" also evil?

Nginx User October 11, 2011 12:04PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 11, 2011 08:18PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 12:14AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 12:22AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 12:50AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 02:38PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 05:36PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 10:08PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 11:58PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:36AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:34AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 12:56AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 14, 2011 07:02AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 07:42AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 09:36PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:32AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:54AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 02:02AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:12PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 08:18PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 09:28AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 03:26PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 03:26PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 04:42PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 02:38AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 04:48AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 05:42AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 05:58AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 06:08AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 07:38AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 09:24AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 10:22AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 12:30AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 07:12AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 16, 2011 11:44AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:26AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 07:08AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:18AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 06:34AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:46AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 07:10AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 07:40AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 12:18AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 14, 2011 09:28PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 04:34AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 08:38PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 04:32AM

Re: So is "rewrite_by_lua" also evil?

MyName October 12, 2011 06:23AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 06:32AM



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