From michal.skuta@gmail.com Wed Oct 30 14:26:20 2019
From: Michal =?utf-8?q?=C5=A0kuta?= <michal.skuta@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Wed, 30 Oct 2019 14:26:04 +0100
Message-ID:
 <CAEws=bG59SwRZbU8vPO_BVY=K4-oz859NADHcY1mpFseJttcfQ@mail.gmail.com>
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Hello, Kamailio community,
we are implementing evapi communication to our Kamailio server. We have
implemented and tested it on our testing server. Everything was working OK.

Now we are testing it on our production servers with a lot more calls and
we have some problems here.
Every n seconds we are requesting from Kamailio list of all dialogs. And
this list of dialogs (from jsonrpc *dlg.list*) is sent to evapi connection.
Here is a snippet of our *Kamailio code*:

route[CGR_DLG_LIST]
{
        xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Requested dialog list");
        # CGRateS connection is still alive, set check to true
        $sht(cgrconn=>check) = 1;
        if $sht(cgrconn=>cgr) == $null {
                sl_send_reply("503","Charging controller unreachable");
                exit;
        }
        jsonrpc_exec('{"jsonrpc":"2.0","id":1,
"method":"dlg.list","params":[]}');
        xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Test1: $jsonrpl(body)");

        evapi_relay("{\"event\":\"CGR_DLG_LIST_REPLY\",
                        \"jsonrpl_body\":$jsonrpl(body)}");
}

During a higher number of calls Kamailio is generating ERROR messages from
evapi module. Here is the syslog:

Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
<script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
<script>:
Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: DEBUG:
evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR:
evapi [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR:
evapi [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:

*We are expecting something like this when nobody is calling*
Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
<script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
<script>: XLOG: 123 [CGR_DLG_LIST] Test1: {
#011"jsonrpc":#011"2.0",
#011"result":#011[],
#011"id":#0111
}
Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
[{"event":"CGR_DLG_LIST_REPLY",
#011#011#011"jsonrpl_body":{
#011"jsonrpc":#011"2.0",
#011"result":#011[],
#011"id":#0111
}}] (96)
Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
evapi [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
[96:{"event":"CGR_DLG_LIST_REPLY",
#011#011#011"jsonrpl_body":{
#011"jsonrpc":#011"2.0",
#011"result":#011[],
#011"id":#0111
}},] (100)
Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
evapi [evapi_dispatch.c:789]: _evapi_relay(): dispatching [0x169ff674]
[96:{"event":"CGR_DLG_LIST_REPLY",
#011#011#011"jsonrpl_body":{
#011"jsonrpc":#011"2.0",
#011"result":#011[],
#011"id":#0111
}},] (100)


We enabled debug messages for module evapi and are trying to understand
where is the problem. To make this work to this state we needed to increase
the *pv_buffer* to really big size (2097152).
It looks like $jsonrpl(body) is not ready and everything concated with it
is not working.

Any help or suggestion is welcomed.

Sincerely Michal



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From miconda@gmail.com Wed Oct 30 14:55:19 2019
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Wed, 30 Oct 2019 14:55:13 +0100
Message-ID: <3afbc1ee-8239-7514-1bd6-af589a30ef91@gmail.com>
In-Reply-To:
 <CAEws=bG59SwRZbU8vPO_BVY=K4-oz859NADHcY1mpFseJttcfQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============0243450309=="

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Hello,

how often are you requesting the list of all dialogs (what is the n in
that every n seconds)? Is it done using a single evapi connection, or
are there many of them?

And to clarify, is the error ("cannot serialize event") happening when
there is no call or when there are too many? Is not clear for me given
that you follow with what you expect to be when nobody is calling ...

Cheers,
Daniel

On 30.10.19 14:26, Michal =C5=A0kuta wrote:
> Hello, Kamailio community,
> we are implementing evapi communication to our Kamailio server. We
> have implemented and tested it on our testing server. Everything was
> working OK.
>
> Now we are testing it on our production servers with a lot more calls
> and we have some problems here.
> Every n seconds we are requesting from Kamailio list of all dialogs.
> And this list of dialogs (from jsonrpc *dlg.list*) is sent to evapi
> connection.
> Here is a snippet of our *Kamailio code*:
>
> route[CGR_DLG_LIST]
> {
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Reques=
ted dialog list");
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 # CGRateS connection is still alive, set check =
to true
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 $sht(cgrconn=3D>check) =3D 1;
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 if $sht(cgrconn=3D>cgr) =3D=3D $null {
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sl_send_reply("503"=
,"Charging controller unreachable");
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 exit;
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 }
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 jsonrpc_exec('{"jsonrpc":"2.0","id":1,
> "method":"dlg.list","params":[]}');
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Test1:=
 $jsonrpl(body)");
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 evapi_relay("{\"event\":\"CGR_DLG_LIST_REPLY\",
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 \"jsonrpl_body\":$jsonrpl(body)}");
> }
>
> During a higher number of calls Kamailio is generating ERROR messages
> from evapi module. Here is the syslog:
>
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
> INFO: <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
> INFO: <script>:
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
> ERROR: evapi [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize
> event
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
> ERROR: evapi [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>
> *We are expecting something like this when nobody is calling*
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
> INFO: <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
> INFO: <script>: XLOG: 123 [CGR_DLG_LIST] Test1: {
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event
> data [{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }}] (96)
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
> DEBUG: evapi [evapi_dispatch.c:778]: _evapi_relay(): sending
> [0x169ff674] [96:{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }},] (100)
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
> DEBUG: evapi [evapi_dispatch.c:789]: _evapi_relay(): dispatching
> [0x169ff674] [96:{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }},] (100)
>
>
> We enabled debug messages for module evapi and are trying to
> understand where is the problem. To make this work to this state we
> needed to increase the *pv_buffer* to really big size (2097152).
> It looks like $jsonrpl(body) is not ready and everything concated with
> it is not working.
>
> ||Any help or suggestion is welcomed. ||
> ||Sincerely Michal||
>
>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

--=20
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld=
.com




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--===============0243450309==--


From pojogas@gmail.com Wed Oct 30 15:57:06 2019
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Wed, 30 Oct 2019 10:56:51 -0400
Message-ID:
 <CAJZsGCmF=EzqY-btE5o6_r_89LcH=u=O1YM9QU24bBTOQtgpqQ@mail.gmail.com>
In-Reply-To: <3afbc1ee-8239-7514-1bd6-af589a30ef91@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1596809793=="

--===============1596809793==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Hi Michal,

I've already encountered this same problem and got an answer from Daniel.
Check below link.

https://lists.kamailio.org/pipermail/sr-users/2019-October/107092.html

Cheers.

On Wed, Oct 30, 2019 at 9:57 AM Daniel-Constantin Mierla <miconda(a)gmail.com>
wrote:

> Hello,
>
> how often are you requesting the list of all dialogs (what is the n in
> that every n seconds)? Is it done using a single evapi connection, or are
> there many of them?
>
> And to clarify, is the error ("cannot serialize event") happening when
> there is no call or when there are too many? Is not clear for me given that
> you follow with what you expect to be when nobody is calling ...
>
> Cheers,
> Daniel
> On 30.10.19 14:26, Michal =C5=A0kuta wrote:
>
> Hello, Kamailio community,
> we are implementing evapi communication to our Kamailio server. We have
> implemented and tested it on our testing server. Everything was working OK.
>
> Now we are testing it on our production servers with a lot more calls and
> we have some problems here.
> Every n seconds we are requesting from Kamailio list of all dialogs. And
> this list of dialogs (from jsonrpc *dlg.list*) is sent to evapi
> connection.
> Here is a snippet of our *Kamailio code*:
>
> route[CGR_DLG_LIST]
> {
>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Requested dialog list");
>         # CGRateS connection is still alive, set check to true
>         $sht(cgrconn=3D>check) =3D 1;
>         if $sht(cgrconn=3D>cgr) =3D=3D $null {
>                 sl_send_reply("503","Charging controller unreachable");
>                 exit;
>         }
>         jsonrpc_exec('{"jsonrpc":"2.0","id":1,
> "method":"dlg.list","params":[]}');
>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Test1: $jsonrpl(body)");
>
>         evapi_relay("{\"event\":\"CGR_DLG_LIST_REPLY\",
>                         \"jsonrpl_body\":$jsonrpl(body)}");
> }
>
> During a higher number of calls Kamailio is generating ERROR messages from
> evapi module. Here is the syslog:
>
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
> <script>:
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: DEBUG:
> evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR:
> evapi [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR:
> evapi [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>
> *We are expecting something like this when nobody is calling*
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
> <script>: XLOG: 123 [CGR_DLG_LIST] Test1: {
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
> evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
> [{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }}] (96)
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
> evapi [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
> [96:{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }},] (100)
> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG:
> evapi [evapi_dispatch.c:789]: _evapi_relay(): dispatching [0x169ff674]
> [96:{"event":"CGR_DLG_LIST_REPLY",
> #011#011#011"jsonrpl_body":{
> #011"jsonrpc":#011"2.0",
> #011"result":#011[],
> #011"id":#0111
> }},] (100)
>
>
> We enabled debug messages for module evapi and are trying to understand
> where is the problem. To make this work to this state we needed to increase
> the *pv_buffer* to really big size (2097152).
> It looks like $jsonrpl(body) is not ready and everything concated with it
> is not working.
>
> Any help or suggestion is welcomed.
>
> Sincerely Michal
>
>
>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing Listsr-users(a)lists.kamailio.orghttps://lis=
ts.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.li=
nkedin.com/in/miconda
> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailiowor=
ld.com
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>



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--===============1596809793==--


From pojogas@gmail.com Wed Oct 30 16:02:37 2019
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Wed, 30 Oct 2019 11:02:20 -0400
Message-ID:
 <CAJZsGCm0C=xA7O9-QPx8RMShxmB=YifwXD_=tr4Wmg8tgWtkfA@mail.gmail.com>
In-Reply-To:
 <CAJZsGCmF=EzqY-btE5o6_r_89LcH=u=O1YM9QU24bBTOQtgpqQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1117349195=="

--===============1117349195==
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Content-Transfer-Encoding: quoted-printable

And BTW, not Kamailio related, but just FYI - you could disable that harsh
dialog syncing every *n* minutes in cgrates.

"sessions": {
"channel_sync_interval":"0", // sync channels to detect stale sessions (0
to disable)
}

On Wed, Oct 30, 2019 at 10:56 AM Sergiu Pojoga <pojogas(a)gmail.com> wrote:

> Hi Michal,
>
> I've already encountered this same problem and got an answer from Daniel.
> Check below link.
>
> https://lists.kamailio.org/pipermail/sr-users/2019-October/107092.html
>
> Cheers.
>
> On Wed, Oct 30, 2019 at 9:57 AM Daniel-Constantin Mierla <
> miconda(a)gmail.com> wrote:
>
>> Hello,
>>
>> how often are you requesting the list of all dialogs (what is the n in
>> that every n seconds)? Is it done using a single evapi connection, or are
>> there many of them?
>>
>> And to clarify, is the error ("cannot serialize event") happening when
>> there is no call or when there are too many? Is not clear for me given that
>> you follow with what you expect to be when nobody is calling ...
>>
>> Cheers,
>> Daniel
>> On 30.10.19 14:26, Michal =C5=A0kuta wrote:
>>
>> Hello, Kamailio community,
>> we are implementing evapi communication to our Kamailio server. We have
>> implemented and tested it on our testing server. Everything was working OK.
>>
>> Now we are testing it on our production servers with a lot more calls and
>> we have some problems here.
>> Every n seconds we are requesting from Kamailio list of all dialogs. And
>> this list of dialogs (from jsonrpc *dlg.list*) is sent to evapi
>> connection.
>> Here is a snippet of our *Kamailio code*:
>>
>> route[CGR_DLG_LIST]
>> {
>>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Requested dialog list");
>>         # CGRateS connection is still alive, set check to true
>>         $sht(cgrconn=3D>check) =3D 1;
>>         if $sht(cgrconn=3D>cgr) =3D=3D $null {
>>                 sl_send_reply("503","Charging controller unreachable");
>>                 exit;
>>         }
>>         jsonrpc_exec('{"jsonrpc":"2.0","id":1,
>> "method":"dlg.list","params":[]}');
>>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Test1: $jsonrpl(body)");
>>
>>         evapi_relay("{\"event\":\"CGR_DLG_LIST_REPLY\",
>>                         \"jsonrpl_body\":$jsonrpl(body)}");
>> }
>>
>> During a higher number of calls Kamailio is generating ERROR messages
>> from evapi module. Here is the syslog:
>>
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
>> <script>:
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> ERROR: evapi [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> ERROR: evapi [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>>
>> *We are expecting something like this when nobody is calling*
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Test1: {
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
>> [{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }}] (96)
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
>> [96:{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }},] (100)
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:789]: _evapi_relay(): dispatching
>> [0x169ff674] [96:{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }},] (100)
>>
>>
>> We enabled debug messages for module evapi and are trying to understand
>> where is the problem. To make this work to this state we needed to increase
>> the *pv_buffer* to really big size (2097152).
>> It looks like $jsonrpl(body) is not ready and everything concated with it
>> is not working.
>>
>> Any help or suggestion is welcomed.
>>
>> Sincerely Michal
>>
>>
>>
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users(a)lists.kamailio.orghttps://li=
sts.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.l=
inkedin.com/in/miconda
>> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailiowo=
rld.com
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users(a)lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>



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--===============1117349195==--


From miconda@gmail.com Thu Oct 31 10:12:10 2019
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Thu, 31 Oct 2019 10:12:01 +0100
Message-ID: <8e5eb65f-e06e-f1d5-5946-a4e4d2f397b9@gmail.com>
In-Reply-To:
 <CAJZsGCmF=EzqY-btE5o6_r_89LcH=u=O1YM9QU24bBTOQtgpqQ@mail.gmail.com>
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Hello,

I just finished pushing on master branch a series of commits targeting
to have evapi using an internal buffer for the data parameter instead of
relying on pv-related buffers.

Can people facing the reported issue try with latest master and report
if all goes ok, even without setting pv buffer size to higher value?

On the other hand, because the reports so far where related to the use
of jsonrpc response, I am thinking of adding a dedicated function like:
evapi_relay_jsonrpcs_response(), so it is no need to copy from the
internal buffer of jsonrpcs module to the internal buffer of evapi.

Thinking of a few other enhancements, therefore I am asking for feedback
to see what and how to do:

1) does cgrates require all the attributes from the active dialog rpc
list command? I was considering for quite some time to add a new rpc
command in dialog module to list active dialogs with fewer attributes
(e.g., dialog hash id, label, call id, from tag, to tag, from address,
to address and state). Maybe we can add one tailored for cgrates needs

2) maybe worth considering to add a cgrates tailored module (or just a
function in evapi module like evapi_relay_dialog_list()), so the list of
active dialogs is retrieved directly from dialog module, avoiding to go
through jsonrpcs module, like it seems to be the current mechanism. So a
question here would be if cgrates interaction with kamailio requires
more than just fetching active calls via evapi (e.g., trigger BYE for
active calls in case of prepaid) -- is out there a complete config about
using cgrates with all the features/commands interacting with kamailio?

Cheers,
Daniel

On 30.10.19 15:56, Sergiu Pojoga wrote:
> Hi Michal,
>
> I've already encountered this same problem and got an answer from
> Daniel. Check below link.
>
> https://lists.kamailio.org/pipermail/sr-users/2019-October/107092.html=C2=A0
>
> Cheers.=C2=A0
>
> On Wed, Oct 30, 2019 at 9:57 AM Daniel-Constantin Mierla
> <miconda(a)gmail.com <mailto:miconda(a)gmail.com>> wrote:
>
>     Hello,
>
>     how often are you requesting the list of all dialogs (what is the
>     n in that every n seconds)? Is it done using a single evapi
>     connection, or are there many of them?
>
>     And to clarify, is the error ("cannot serialize event") happening
>     when there is no call or when there are too many? Is not clear for
>     me given that you follow with what you expect to be when nobody is
>     calling ...
>
>     Cheers,
>     Daniel
>
>     On 30.10.19 14:26, Michal =C5=A0kuta wrote:
>>     Hello, Kamailio community,
>>     we are implementing evapi communication to our Kamailio server.
>>     We have implemented and tested it on our testing server.
>>     Everything was working OK.
>>
>>     Now we are testing it on our production servers with a lot more
>>     calls and we have some problems here.
>>     Every n seconds we are requesting from Kamailio list of all
>>     dialogs. And this list of dialogs (from jsonrpc *dlg.list*) is
>>     sent to evapi connection.
>>     Here is a snippet of our *Kamailio code*:
>>
>>     route[CGR_DLG_LIST]
>>     {
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] R=
equested dialog
>>     list");
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 # CGRateS connection is still alive, set c=
heck to true
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 $sht(cgrconn=3D>check) =3D 1;
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 if $sht(cgrconn=3D>cgr) =3D=3D $null {
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sl_send_reply(=
"503","Charging controller
>>     unreachable");
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 exit;
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 }
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 jsonrpc_exec('{"jsonrpc":"2.0","id":1,
>>     "method":"dlg.list","params":[]}');
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] T=
est1:
>>     $jsonrpl(body)");
>>
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 evapi_relay("{\"event\":\"CGR_DLG_LIST_REP=
LY\",
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 \"jsonrpl_body\":$jsonrpl(body)}");
>>     }
>>
>>     During a higher number of calls Kamailio is generating ERROR
>>     messages from evapi module. Here is the syslog:
>>
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Requested dialog list
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO: <script>:
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: DEBUG: evapi
>>     [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR: evapi
>>     [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR: evapi
>>     [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>>
>>     *We are expecting something like this when nobody is calling*
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Requested dialog list
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Test1: {
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
>>     [{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }}] (96)
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
>>     [96:{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }},] (100)
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:789]: _evapi_relay(): dispatching [0x169ff674]
>>     [96:{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }},] (100)
>>
>>
>>     We enabled debug messages for module evapi and are trying to
>>     understand where is the problem. To make this work to this state
>>     we needed to increase the *pv_buffer* to really big size (2097152).
>>     It looks like $jsonrpl(body) is not ready and everything concated
>>     with it is not working.
>>
>>     ||Any help or suggestion is welcomed. ||
>>     ||Sincerely Michal||
>>
>>
>>
>>
>>     _______________________________________________
>>     Kamailio (SER) - Users Mailing List
>>     sr-users(a)lists.kamailio.org <mailto:sr-users(a)lists.kamailio.org>
>>     https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>     --=20
>     Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedi=
n.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamaili=
oworld.com <http://www.kamailioworld.com>
>
>     _______________________________________________
>     Kamailio (SER) - Users Mailing List
>     sr-users(a)lists.kamailio.org <mailto:sr-users(a)lists.kamailio.org>
>     https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

--=20
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld=
.com




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--===============0378047362==--


From miconda@gmail.com Tue Nov  5 10:33:28 2019
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Tue, 05 Nov 2019 10:33:18 +0100
Message-ID: <974e13b8-8d4c-ef4d-c556-e89d52d5fb5f@gmail.com>
In-Reply-To:
 <CAJZsGCmF=EzqY-btE5o6_r_89LcH=u=O1YM9QU24bBTOQtgpqQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1390335799=="

--===============1390335799==
Content-Type: text/plain; charset="utf-8"
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Hello,

as I wrote in another email, the master branch should have a solution
for it (hoping people that are interested in this matter will provide
feedback to my email in order to decide how to proceed further and
improve based on the real needs) -- for reference, the link to that email:

=C2=A0 - https://lists.kamailio.org/pipermail/sr-users/2019-October/107210.ht=
ml

However, here is a new idea that can be used with existing deployments
(likely needing 5.1.x at least): use an embedded scripting language to
pass the data from $jsonrpl(body) to evapi_relay(). For example,
app_jsdt doesn't have external dependency and you can make a small JS
script to be executed inline from kamailio.cfg routing blocks with
jsdt_run() or jsdt_runstring():

=C2=A0 -
https://www.kamailio.org/docs/modules/devel/modules/app_jsdt.html#app_jsdt.f.=
jsdt_run

The KEMI function for evapi_relay():

=C2=A0 -
http://kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/modules/#ksr=
evapirelay

So, the js script can even be like one line:

KSR.evapi.relay(KSR.pv.gete("$jsonrpl(body) ");

In this way, the internal pv buffer should not be used for transferring
the content of $jsonrpl(body) to the parameter of evapi_relay().

If someone tries this solution, I would be curious about the results.

Cheers,
Daniel

On 30.10.19 15:56, Sergiu Pojoga wrote:
> Hi Michal,
>
> I've already encountered this same problem and got an answer from
> Daniel. Check below link.
>
> https://lists.kamailio.org/pipermail/sr-users/2019-October/107092.html=C2=A0
>
> Cheers.=C2=A0
>
> On Wed, Oct 30, 2019 at 9:57 AM Daniel-Constantin Mierla
> <miconda(a)gmail.com <mailto:miconda(a)gmail.com>> wrote:
>
>     Hello,
>
>     how often are you requesting the list of all dialogs (what is the
>     n in that every n seconds)? Is it done using a single evapi
>     connection, or are there many of them?
>
>     And to clarify, is the error ("cannot serialize event") happening
>     when there is no call or when there are too many? Is not clear for
>     me given that you follow with what you expect to be when nobody is
>     calling ...
>
>     Cheers,
>     Daniel
>
>     On 30.10.19 14:26, Michal =C5=A0kuta wrote:
>>     Hello, Kamailio community,
>>     we are implementing evapi communication to our Kamailio server.
>>     We have implemented and tested it on our testing server.
>>     Everything was working OK.
>>
>>     Now we are testing it on our production servers with a lot more
>>     calls and we have some problems here.
>>     Every n seconds we are requesting from Kamailio list of all
>>     dialogs. And this list of dialogs (from jsonrpc *dlg.list*) is
>>     sent to evapi connection.
>>     Here is a snippet of our *Kamailio code*:
>>
>>     route[CGR_DLG_LIST]
>>     {
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] R=
equested dialog
>>     list");
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 # CGRateS connection is still alive, set c=
heck to true
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 $sht(cgrconn=3D>check) =3D 1;
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 if $sht(cgrconn=3D>cgr) =3D=3D $null {
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sl_send_reply(=
"503","Charging controller
>>     unreachable");
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 exit;
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 }
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 jsonrpc_exec('{"jsonrpc":"2.0","id":1,
>>     "method":"dlg.list","params":[]}');
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] T=
est1:
>>     $jsonrpl(body)");
>>
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 evapi_relay("{\"event\":\"CGR_DLG_LIST_REP=
LY\",
>>     =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 \"jsonrpl_body\":$jsonrpl(body)}");
>>     }
>>
>>     During a higher number of calls Kamailio is generating ERROR
>>     messages from evapi module. Here is the syslog:
>>
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Requested dialog list
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO: <script>:
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: DEBUG: evapi
>>     [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR: evapi
>>     [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
>>     Oct 30 12:02:15 kam-prod
>>     /opt/ipgate/kamailio/sbin/kamailio[19512]: ERROR: evapi
>>     [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>>
>>     *We are expecting something like this when nobody is calling*
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Requested dialog list
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO: <script>: XLOG:
>>     123 [CGR_DLG_LIST] Test1: {
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
>>     [{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }}] (96)
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
>>     [96:{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }},] (100)
>>     Oct 30 14:12:22 kam-test
>>     /opt/ipgate/kamailio/sbin/kamailio[32090]: DEBUG: evapi
>>     [evapi_dispatch.c:789]: _evapi_relay(): dispatching [0x169ff674]
>>     [96:{"event":"CGR_DLG_LIST_REPLY",
>>     #011#011#011"jsonrpl_body":{
>>     #011"jsonrpc":#011"2.0",
>>     #011"result":#011[],
>>     #011"id":#0111
>>     }},] (100)
>>
>>
>>     We enabled debug messages for module evapi and are trying to
>>     understand where is the problem. To make this work to this state
>>     we needed to increase the *pv_buffer* to really big size (2097152).
>>     It looks like $jsonrpl(body) is not ready and everything concated
>>     with it is not working.
>>
>>     ||Any help or suggestion is welcomed. ||
>>     ||Sincerely Michal||
>>
>>
>>
>>
>>     _______________________________________________
>>     Kamailio (SER) - Users Mailing List
>>     sr-users(a)lists.kamailio.org <mailto:sr-users(a)lists.kamailio.org>
>>     https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>     --=20
>     Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedi=
n.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamaili=
oworld.com <http://www.kamailioworld.com>
>
>     _______________________________________________
>     Kamailio (SER) - Users Mailing List
>     sr-users(a)lists.kamailio.org <mailto:sr-users(a)lists.kamailio.org>
>     https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

--=20
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld=
.com




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From pojogas@gmail.com Tue Nov  5 15:12:22 2019
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject:
 Re: [SR-Users] $jsonrpl(body) empty or malfunctioned during higher traffic
Date: Tue, 05 Nov 2019 09:12:07 -0500
Message-ID:
 <CAJZsGCk88Syves0wMfn6HFOiG6Ppk2p+Fx_1xg_TGsOkcGMCsA@mail.gmail.com>
In-Reply-To: <974e13b8-8d4c-ef4d-c556-e89d52d5fb5f@gmail.com>
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Content-Type: multipart/mixed; boundary="===============0438311357=="

--===============0438311357==
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Hi Daniel,

Thanks for the patch and clarifications. Planning to test it over the
upcoming weekend in a dev environment (don't use master branches in
production) and get back to you with the findings.

To answer your previous question, below find the master example of how
Cgrates interacts with Kamailio. In terms of jsonrpc, it uses *dlg.list *(no
params?) and *dlg.end_dlg*.
https://github.com/cgrates/cgrates/blob/master/data/tutorials/kamevapi/kamail=
io/etc/kamailio/kamailio-cgrates.cfg


Cheers.

On Tue, Nov 5, 2019 at 4:33 AM Daniel-Constantin Mierla <miconda(a)gmail.com>
wrote:

> Hello,
>
> as I wrote in another email, the master branch should have a solution for
> it (hoping people that are interested in this matter will provide feedback
> to my email in order to decide how to proceed further and improve based on
> the real needs) -- for reference, the link to that email:
>
>   - https://lists.kamailio.org/pipermail/sr-users/2019-October/107210.html
>
> However, here is a new idea that can be used with existing deployments
> (likely needing 5.1.x at least): use an embedded scripting language to pass
> the data from $jsonrpl(body) to evapi_relay(). For example, app_jsdt
> doesn't have external dependency and you can make a small JS script to be
> executed inline from kamailio.cfg routing blocks with jsdt_run() or
> jsdt_runstring():
>
>   -
> https://www.kamailio.org/docs/modules/devel/modules/app_jsdt.html#app_jsdt.=
f.jsdt_run
>
> The KEMI function for evapi_relay():
>
>   -
> http://kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/modules/#k=
srevapirelay
>
> So, the js script can even be like one line:
>
> KSR.evapi.relay(KSR.pv.gete("$jsonrpl(body) ");
>
> In this way, the internal pv buffer should not be used for transferring
> the content of $jsonrpl(body) to the parameter of evapi_relay().
>
> If someone tries this solution, I would be curious about the results.
>
> Cheers,
> Daniel
> On 30.10.19 15:56, Sergiu Pojoga wrote:
>
> Hi Michal,
>
> I've already encountered this same problem and got an answer from Daniel.
> Check below link.
>
> https://lists.kamailio.org/pipermail/sr-users/2019-October/107092.html
>
> Cheers.
>
> On Wed, Oct 30, 2019 at 9:57 AM Daniel-Constantin Mierla <
> miconda(a)gmail.com> wrote:
>
>> Hello,
>>
>> how often are you requesting the list of all dialogs (what is the n in
>> that every n seconds)? Is it done using a single evapi connection, or are
>> there many of them?
>>
>> And to clarify, is the error ("cannot serialize event") happening when
>> there is no call or when there are too many? Is not clear for me given that
>> you follow with what you expect to be when nobody is calling ...
>>
>> Cheers,
>> Daniel
>> On 30.10.19 14:26, Michal =C5=A0kuta wrote:
>>
>> Hello, Kamailio community,
>> we are implementing evapi communication to our Kamailio server. We have
>> implemented and tested it on our testing server. Everything was working OK.
>>
>> Now we are testing it on our production servers with a lot more calls and
>> we have some problems here.
>> Every n seconds we are requesting from Kamailio list of all dialogs. And
>> this list of dialogs (from jsonrpc *dlg.list*) is sent to evapi
>> connection.
>> Here is a snippet of our *Kamailio code*:
>>
>> route[CGR_DLG_LIST]
>> {
>>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Requested dialog list");
>>         # CGRateS connection is still alive, set check to true
>>         $sht(cgrconn=3D>check) =3D 1;
>>         if $sht(cgrconn=3D>cgr) =3D=3D $null {
>>                 sl_send_reply("503","Charging controller unreachable");
>>                 exit;
>>         }
>>         jsonrpc_exec('{"jsonrpc":"2.0","id":1,
>> "method":"dlg.list","params":[]}');
>>         xlog("L_INFO", "XLOG: $ci [CGR_DLG_LIST] Test1: $jsonrpl(body)");
>>
>>         evapi_relay("{\"event\":\"CGR_DLG_LIST_REPLY\",
>>                         \"jsonrpl_body\":$jsonrpl(body)}");
>> }
>>
>> During a higher number of calls Kamailio is generating ERROR messages
>> from evapi module. Here is the syslog:
>>
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]: INFO:
>> <script>:
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data [
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> ERROR: evapi [evapi_dispatch.c:764]: _evapi_relay(): cannot serialize event
>> Oct 30 12:02:15 kam-prod /opt/ipgate/kamailio/sbin/kamailio[19512]:
>> ERROR: evapi [evapi_mod.c:265]: w_evapi_relay(): failed to relay event:
>>
>> *We are expecting something like this when nobody is calling*
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Requested dialog list
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]: INFO:
>> <script>: XLOG: 123 [CGR_DLG_LIST] Test1: {
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:740]: _evapi_relay(): relaying event data
>> [{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }}] (96)
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:778]: _evapi_relay(): sending [0x169ff674]
>> [96:{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }},] (100)
>> Oct 30 14:12:22 kam-test /opt/ipgate/kamailio/sbin/kamailio[32090]:
>> DEBUG: evapi [evapi_dispatch.c:789]: _evapi_relay(): dispatching
>> [0x169ff674] [96:{"event":"CGR_DLG_LIST_REPLY",
>> #011#011#011"jsonrpl_body":{
>> #011"jsonrpc":#011"2.0",
>> #011"result":#011[],
>> #011"id":#0111
>> }},] (100)
>>
>>
>> We enabled debug messages for module evapi and are trying to understand
>> where is the problem. To make this work to this state we needed to increase
>> the *pv_buffer* to really big size (2097152).
>> It looks like $jsonrpl(body) is not ready and everything concated with it
>> is not working.
>>
>> Any help or suggestion is welcomed.
>>
>> Sincerely Michal
>>
>>
>>
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users(a)lists.kamailio.orghttps://li=
sts.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.l=
inkedin.com/in/miconda
>> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailiowo=
rld.com
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users(a)lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing Listsr-users(a)lists.kamailio.orghttps://lis=
ts.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.li=
nkedin.com/in/miconda
> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailiowor=
ld.com
>
>



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