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I gave it a try though... and it works nicely (at least for directory
entries for now). I've added 3 more commands to xml_curl: cache_on,
cache_off and cache_delete_key.<br>
<br>
- cache_on - enables caching: it will store in a switch_hash_t
structure all xml strings returned by curl, using
<username>@<realm> as a key (since we're talking directory
only in this example). The same key is looked up every time the xml is
requested for that user/realm and the code returns an xml structure
created using switch_parse_xml_from_str().<br>
<br>
- cache_off - switches back to the original behavior and clears the
hash.<br>
<br>
- cache_delete_key <key> - will invalidate the cache entry so
that next time it is reloaded by curl.<br>
<br>
considering a 500 bytes - 1K string for each profile, you can cache
10000 user profiles in ~10M (considering we're storing the char* s)<br>
please see a sample console output,with a terminal registering every 25
seconds<br>
<br>
============================================================================<br>
<a class="moz-txt-link-abbreviated" href="mailto:freeswitch@localhost.localdomain">freeswitch@localhost.localdomain</a>> 2008-09-18 18:26:19 [CONSOLE]
mod_xml_curl.c:363 xml_url_fetch() XML response is in
/tmp/d0c586a8-85d0-11dd-838c-5148f6e85b7b.tmp.xml<br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:freeswitch@localhost.localdomain">freeswitch@localhost.localdomain</a>> xml_curl cache_on<br>
API CALL [xml_curl(cache_on)] output:<br>
OK<br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:freeswitch@localhost.localdomain">freeswitch@localhost.localdomain</a>> 2008-09-18 18:26:44 [CONSOLE]
mod_xml_curl.c:245 xml_url_fetch() Key is not in cache
[<a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a>].<br>
2008-09-18 18:26:45 [CONSOLE] mod_xml_curl.c:363 xml_url_fetch() XML
response is in /tmp/e00c7ae0-85d0-11dd-838c-5148f6e85b7b.tmp.xml<br>
<br>
2008-09-18 18:27:10 [CONSOLE] mod_xml_curl.c:231 xml_url_fetch() Using
xml from cache: <a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a><br>
2008-09-18 18:27:35 [CONSOLE] mod_xml_curl.c:231 xml_url_fetch() Using
xml from cache: <a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a><br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:freeswitch@localhost.localdomain">freeswitch@localhost.localdomain</a>> xml_curl cache_delete_key
<a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a><br>
2008-09-18 18:27:42 [NOTICE] mod_xml_curl.c:128 xml_curl_function()
Removing value for [<a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a>]<br>
API CALL [xml_curl(cache_delete_key <a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a>)] output:<br>
OK<br>
<br>
2008-09-18 18:28:01 [CONSOLE] mod_xml_curl.c:245 xml_url_fetch() Key is
not in cache [<a class="moz-txt-link-abbreviated" href="mailto:1039@192.168.1.225">1039@192.168.1.225</a>].<br>
2008-09-18 18:28:01 [CONSOLE] mod_xml_curl.c:363 xml_url_fetch() XML
response is in /tmp/0d729f00-85d1-11dd-838c-5148f6e85b7b.tmp.xml<br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:freeswitch@localhost.localdomain">freeswitch@localhost.localdomain</a>> xml_curl cache_off<br>
2008-09-18 18:28:07 [NOTICE] mod_xml_curl.c:102 xml_curl_function()
cleaning up directory cache<br>
API CALL [xml_curl(cache_off)] output:<br>
OK<br>
========================================================================<br>
<br>
<br>
cristian<br>
<br>
Anthony Minessale wrote:
<blockquote
cite="mid:191c3a030809171841y2dfaa19arde1388dd9daa3adb@mail.gmail.com"
type="cite">
<div dir="ltr">if you say inhale the xml into memory and the sever
goes haywire and sends you 2 gigs out output you are in for a treat.<br>
if you can get enough call volume on one box where the disk i/o of
xml_curl even shows up on the map in relation to all the rtp etc, we've
won.<br>
<br>
<br>
<div class="gmail_quote">On Wed, Sep 17, 2008 at 6:00 PM, Cristian
Talle <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:ctalle@voiceway.ca">ctalle@voiceway.ca</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">less
tickin keeps you breathin :) It'd be nice though if you could just<br>
use xml_rpc to tell FS:<br>
<br>
/xml_update <section> <tag> <tag_attr_name>
<tag_attr_val>...,/<br>
<br>
similar to xml_locate<br>
<font color="#888888"><br>
Cristian<br>
</font>
<div>
<div class="Wj3C7c"><br>
Brian West wrote:<br>
> If you're that concerned with it.. move the tmp to a ramdisk ;) I<br>
> thought modern hard drives could take a lickin and keep on tickin<br>
><br>
> /b<br>
><br>
> On Sep 17, 2008, at 5:51 PM, Cristian Talle wrote:<br>
><br>
><br>
>> Oh, they are but it's still HDD... I wouldn't like to see the
server<br>
>> die<br>
>> because of too much disk IO<br>
>> I'm trying to figure out what's the most efficient way to
handle<br>
>> changes<br>
>> in user profiles (and possibly dialplan, etc...) if order
handle<br>
>> thousands of users per server.<br>
>><br>
>> Cristian<br>
>><br>
><br>
><br>
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<br>
-- <br>
Anthony Minessale II<br>
<br>
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