Thanks, ill set up the lab with that module and see how it behaves.
> On 26 Apr 2024, at 11:16 AM, Ihor Olkhovskyi via sr-users
> <sr-users@lists.kamailio.org> wrote:
>
> Alexis,
>
> I'd switch to http_async, but this is a general advice.
>
> As for switching to KEMI, I'd not expect increasing in performance as native
> script is the fastest so far. KEMI will give you "comfort of writing on a
> high-level language" and config reload, but performance should not be the
> reason for switching AFAIK
>
>
> Le 26/04/2024 à 15:19, Alexis Fidalgo via sr-users a écrit :
>> Hello all, little and fast context, we have 8 docker swarm clusters (4 nodes
>> each) where there are deployed as global service 4 kamailio per cluster.
>> Each cluster runs 8 replicas of a call processing service/app (for the sake
>> of this question we’ll assume the performance of this app is ok, no problems
>> on what it does and how much it consumes in cpu/memory).
>>
>> kamailio is configured to use http_client module to query the processing app
>> (those queries are load balanced by the docker swarm cluster) in a very
>> simple way, added below in this email.
>>
>> Everything goes well, there’s an average of ~450 caps on each kamailio on
>> peak hours.
>>
>> Question and reason of this email is: Is this the best approach i can take?
>> (the http_client) or maybe there’s a more efficient one for this scenario?
>> maybe kemi, or other?
>>
>> The processing app is written in golang.
>>
>> We’re planning to add more traffic (significantly more) to this instances
>> and i would like to know if there’s a better scenario, to explore it before
>> this migration.
>>
>> Thanks, regards
>>
>> —
>>
>> request_route {
>> route(AF_SL);
>> }
>>
>> route[AF_SL] {
>> if(is_method("ACK")){
>> exit;
>> }
>> if(is_method("REGISTER")){
>> sl_reply("200", "OK");
>> exit;
>> }
>> if(is_method("OPTIONS")){
>> sl_reply("200", "OK");
>> exit;
>> }
>> if(is_method("CANCEL")){
>> sl_reply("200","OK");
>> sl_reply("487","Request Terminated");
>> exit;
>> }
>>
>> if(is_method("INVITE")){
>> if ($hdr(X-Carrier-In)!="" && $hdr(Organization)!="" &&
>> $hdr(X-SBC-Type)!="") {
>> sl_reply("100","Trying");
>> $var(retCode) =
>> http_client_query("http://cbrcre:3001/cbrcre/v1/callHandler";,'xsbct=$(hdr(X-SBC-Type){s.escape.param})&org=$(hdr(Organization){s.escape.param})&xci=$(hdr(X-Carrier-In){s.escape.param})&fu=$(fu{s.escape.param})&ru=$(ru{s.escape.param})&rU=$(rU{s.escape.param})&fU=$(fU{s.escape.param})&ci=$(ci{s.escape.param})&cin=$(hdr(Call-Info){s.escape.param})&ih=$hdr(Identity)&tag=$(ft{s.escape.param})&ct=$(ct{s.escape.param})&via=$(hdr(Via)[0]{s.escape.param})',
>> "$var(result)");
>> xlog("L_INFO", "*************** RESULT:
>> $var(result)\n\n");
>> jansson_get("response_code", "$var(result)",
>> "$var(rc)");
>> switch($var(rc)){
>> case "200":
>> if jansson_get("contact",
>> "$var(result)", "$var(ct)") == true {
>> append_branch("$var(ct)");
>> }
>> if jansson_get("callinfo",
>> "$var(result)", "$var(cinfo)") == true {
>> append_to_reply("Call-Info:
>> $var(cinfo)\r\n");
>> }
>> if jansson_get("pai", "$var(result)",
>> "$var(pai)") ==true {
>>
>> append_to_reply("P-Asserted-Identity: $var(pai)\r\n");
>> }
>> if jansson_get("xfrom", "$var(result)",
>> "$var(xfrom)") ==true {
>> append_to_reply("X-From:
>> $var(xfrom)\r\n");
>> }
>> if jansson_get("identity",
>> "$var(result)", "$var(identity)") ==true {
>> append_to_reply("Identity:
>> $var(identity)\r\n");
>> }
>> append_to_reply("X-Handled:
>> ServiceBroker\r\n");
>> sl_send_reply("302", "Redirect");
>> break;
>> default:
>>
>> jansson_get("reason","$var(result)","$var(reason)");
>>
>> jansson_get("sbReason","$var(result)","$var(sbreason)");
>> append_to_reply("X-SBReason:
>> $var(sbreason)\r\n");
>> sl_send_reply("$var(rc)",
>> "$var(reason)");
>> }
>> exit;
>> }
>> xlog("L_ERR","missing xci or org or sbct");
>> sl_send_reply("608", "SBK Rejected");
>> }
>> }
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