[Freeswitch-users] Central FreeSWITCH nodes management with Mod_XML_Curl vs Mod_Lua
Eugene Azuka
eugeneazuka at gmail.com
Wed Jul 18 12:53:54 MSD 2012
Thank you FreeSWITCH experts:
Michael Collins, Kristian Kielhofner, Vik Killa, Gabriel Gunderson.
Thanks you all, i appreciate your comments.
Gabriel Gunderson, Anyone who has practical experience of FreeSWITCH and
able to reply and give meaningful comment/solution to help request, to me
that person an experts. So you are an expert. :)
Regards
Eugene
On Tue, Jul 17, 2012 at 11:41 PM, <
freeswitch-users-request at lists.freeswitch.org> wrote:
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> Today's Topics:
>
> 1. how to get leg_delay_start to work for bridge enterprise (Mario
> G)
> 2. Re: Username in SUBSCRIBE Request URI (Duvid Rottenberg)
> 3. Central FreeSWITCH nodes management with Mod_XML_Curl vs
> Mod_Lua (Eugene Azuka)
> 4. Re: Central FreeSWITCH nodes management with Mod_XML_Curl vs
> Mod_Lua (Vik Killa)
> 5. Re: Central FreeSWITCH nodes management with Mod_XML_Curl vs
> Mod_Lua (Michael Collins)
> 6. Looking for dial plan examples for FS and SPA3102 router
> (Todd Bailey)
> 7. Re: Central FreeSWITCH nodes management with Mod_XML_Curl vs
> Mod_Lua (Gabriel Gunderson)
>
>
> ---------- Forwarded message ----------
> From: Mario G <mario_fs at mgtech.com>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 09:54:51 -0700
> Subject: [Freeswitch-users] how to get leg_delay_start to work for bridge
> enterprise
> I am try to delay the second target by 20 seconds. I used [..] and {..}
> but no dice. The wiki has them both for enterprise, can someone shed light
> on what's wrong, thanks. Main is supposed to ring, 20 secs later the second
> target is added while main keeps going, all timeout after a total of 43
> secs.
> Mario G
>
> <action application="bridge" data=
> "<originate_timeout=43,origination_caller_id_number=${caller_id_number},origination_caller_id_name=${caller_id_name}>${group_call(main@
> ${domain_name}+E)}:_:{leg_delay_start=20}sofia/gateway/${dial_gateway}/19161234567"
> />
>
>
> ---------- Forwarded message ----------
> From: Duvid Rottenberg <adrottenberg at gmail.com>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 14:01:20 -0400
> Subject: Re: [Freeswitch-users] Username in SUBSCRIBE Request URI
> Apparently this is not currently possible. I have submitted a patch on
> JIRA to add a new parameter to the subscriptions section named
> user-in-register, when set to true the username will be included in the
> request-uri. If/when this patch is approved I will update the wiki.
>
> On Fri, Jul 13, 2012 at 1:34 PM, Duvid Rottenberg <adrottenberg at gmail.com>wrote:
>
>> I am using embedded freeswitch as a softphone client and I am trying to
>> subscribe to call-info on the server, (see config below) but the server is
>> responding with a 481 Call/Transaction Does not exist.
>> I compared the freeswitch SIP messages with SIP messages sent by a
>> polycom phone for this feature and I noticed that freeswitch doesn't send
>> the username in the request line. I think that this is causing the 481
>> response.
>>
>> Polycom Version:
>> SUBSCRIBE sip:user at server:5060;transport=udp SIP/2.0
>> Freeswitch:
>> SUBSCRIBE sip:server:5060;transport=udp SIP/2.0
>>
>> Below is my gateway configuration
>> <gateway name='1'>
>> <param name='realm' value='SIP_SERVER' />
>> <param name='username' value='SIP_USERNAME' />
>> <param name='password' value='SIP_PASSWORD' />
>> <param name='register' value='true' />
>> <param name='extension' value='SIP_USERNAME' />
>> <param name='extension-in-contact' value='true' />
>> <subscriptions name='x'>
>> <subscription event='call-info'>
>> <param name='retry-seconds' value='40'/>
>> <param name='expire-seconds' value='3600'/>
>> <param name='content-type' value=''/>
>> </subscription>
>> </subscriptions>
>> </gateway>
>>
>> Is there any way to tell freeswitch to include the username in the
>> request line?
>>
>> Thank You,
>> Duvid Rottenberg
>>
>
>
>
> ---------- Forwarded message ----------
> From: Eugene Azuka <eugeneazuka at gmail.com>
> To: freeswitch-users at lists.freeswitch.org
> Cc:
> Date: Tue, 17 Jul 2012 17:33:56 +0100
> Subject: [Freeswitch-users] Central FreeSWITCH nodes management with
> Mod_XML_Curl vs Mod_Lua
> Hi FreeSWITCH experts,
>
> My question is as regards performance and which is the best option.
>
> I am trying to scale and manage multiple nodes of FreeSWITCH centrally
> from my external web server/site using Mod_XML_Curl, But someone more
> experience than me says otherwise that Mod_XML_Curl may not be the best
> option: Here is his statement below:
>
> *" The thing I don't like about mod_xml_curl is that to scale it you have
> to scale the web server with more listeners. If you run out of listeners
> your ability to answer new calls fails. If the web server crashes your
> ability to handle calls is gone.*
> *
> *
> *Instead, I use Lua which is embedded into FreeSWITCH as the XML handler.
> The Lua reads the info from the database and hands it off to FreeSWITCH.
> This approach is not dependent on a service that can fail, or that can run
> out of listeners. "*
>
>
> What do you experts think about this comment above?
>
> Wouldn't Lua reading directly from database still face some of the issues
> i may be running from using mod_xml_curl, like database crashing, slow
> reading from database?
>
> Unlike using mod_xml_curl whereby i can optimise my code to make use of
> memcached or radis to reduce some calls to database, can i still do such
> with mod_lua?
>
>
> So what do experts think, should i go with Mod_Lua approach just as he
> said above or should i continue with using Mod_XML_Curl?
>
> You opinion will be appreciated.
>
> Regards
>
> Eugene
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Vik Killa <vipkilla at gmail.com>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 15:30:53 -0400
> Subject: Re: [Freeswitch-users] Central FreeSWITCH nodes management with
> Mod_XML_Curl vs Mod_Lua
> I dont understand what they meant by 'listeners'
> AFAIK if the web server process is running it will always return the XML
>
>
>
>
> ---------- Forwarded message ----------
> From: Michael Collins <msc at freeswitch.org>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 13:56:11 -0700
> Subject: Re: [Freeswitch-users] Central FreeSWITCH nodes management with
> Mod_XML_Curl vs Mod_Lua
>
>
> On Tue, Jul 17, 2012 at 12:30 PM, Vik Killa <vipkilla at gmail.com> wrote:
>
>> I dont understand what they meant by 'listeners'
>> AFAIK if the web server process is running it will always return the XML
>>
>
> Last time I checked, there were one or two websites out there that could
> handle thousands of requests per second. The web has given birth to tools
> that allow for many, many concurrent requests. The LAMP stack on a beefy
> machine can do quite a lot of traffic. Furthermore, MySQL/Postgres/et al
> all have backup/redundancy/HA options built in, as does Apache/HTTP. It
> seems to me that you could scale farther and have more redundancy using
> these time-tested tools. Just my $0.02.
>
> -MC
>
> P.S. - Don't get me wrong - I really like Lua. I just don't know if it's
> really a "better" solution to this problem.
>
>
> ---------- Forwarded message ----------
> From: Todd Bailey <toddb at toddbailey.net>
> To: freeswitch <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 15:37:51 -0700
> Subject: [Freeswitch-users] Looking for dial plan examples for FS and
> SPA3102 router
> Hi All,
>
>
> I'm having issues getting a dial plan to work on FS and a Cisco SPA 3102
> router.
>
> when I dial 0, 1 or 9 plus a 10 number, I get to the router's dial tone
> but I have to reenter the number I want to connect to.
>
> The expected action is to only need to enter the number to dial one
>
> Can some one provide dial plan and/or other config file example on how
> to resolve this issue?
>
> here is what I have so far:
>
> /usr/local/freeswitch/conf/dialplan/default.xml
>
> <!-- Dial any 10 digit number (2223334444) or 1+10 number (12223334444)
> or 9 + 10 number here -->
>
> <extension name="external">
>
> <condition field="destination_number"
> expression="^(1{0,1,9}\d{10})$">
>
> <action application="set"
> data="effective_caller_id_number=12223334444"/>
> <!-- If your provider does not provide ringback (180 or 183) you
> may simulate ringback by uncommenting the following line. -->
> <!-- action application="ringback" /-->
> <!-- <action application="bridge"
> data="sofia/gateway/voicepulse/$1"/> -->
> <!-- <action application="bridge"
> data="sofia/internal/${destination_number}@192.168.1.5:5061"/> -->
> <action application="bridge"
> data="sofia/internal/$1 at 192.168.1.5:5061" />
> </condition>
> </extension>
>
>
> /usr/local/freeswitch/conf/dialplan/default/00_spa3102.xml
>
> <include>
> <extension name="To PSTN">
> <condition field="destination_number" expression="(.*)">
> <action application="bridge"
> data="sofia/internal/${destination_number}@192.168.1.5:5061" />
> </condition>
> </extension>
> </include>
>
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Gabriel Gunderson <gabe at gundy.org>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 17 Jul 2012 16:40:41 -0600
> Subject: Re: [Freeswitch-users] Central FreeSWITCH nodes management with
> Mod_XML_Curl vs Mod_Lua
> Comments inline:
>
> On Tue, Jul 17, 2012 at 10:33 AM, Eugene Azuka <eugeneazuka at gmail.com>
> wrote:
> > " The thing I don't like about mod_xml_curl is that to scale it you have
> to
> > scale the web server with more listeners. If you run out of listeners
> your
> > ability to answer new calls fails. If the web server crashes your
> ability to
> > handle calls is gone.
>
> Scaling web servers is an easy, well known and a common problem to
> solve. Yes, you have to make sure you have the resources, but this it
> true of any technology out there.
>
>
> > Instead, I use Lua which is embedded into FreeSWITCH as the XML handler.
> The
> > Lua reads the info from the database and hands it off to FreeSWITCH. This
> > approach is not dependent on a service that can fail, or that can run
> out of
> > listeners. "
>
> This is a great approach, but I don't think the logic is sound. Lua
> (if it's doing anything fancy) will run out of resources that it
> depends on -- memory, database connections, sockets etc.
>
> If one accepts that they'll have to build out to *really* scale
> something, they'll also come to appreciate the fact that they can move
> the HTTP stack to another box when needed (or 50 other boxen if
> required). The Lua (or any other embedded language) is pretty well
> tied to that same box.
>
> In the end, it probably doesn't matter. If you end up scaling to the
> ends of the Earth, you'll have to rewrite it anyway. Just give thanks
> that you've found FreeSWITCH and it was flexible enough to give you
> the amazing configurability needed to build it in anyway you like :)
>
>
> > What do you experts think about this comment above?
>
> There are experts on this list now?! Awesome ;)
>
>
> > Wouldn't Lua reading directly from database still face some of the
> issues i
> > may be running from using mod_xml_curl, like database crashing, slow
> reading
> > from database?
>
> Yep, see above.
>
>
> > Unlike using mod_xml_curl whereby i can optimise my code to make use of
> > memcached or radis to reduce some calls to database, can i still do such
> > with mod_lua?
>
> If you want and Lua supports it.
>
>
> > So what do experts think, should i go with Mod_Lua approach just as he
> said
> > above or should i continue with using Mod_XML_Curl?
>
> Your choice! Happy hacking!
>
>
> Best,
> Gabe
>
>
>
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