[SR-Users] Http_async_client stops script execution
Denys Pozniak
denys.pozniak at gmail.com
Thu Oct 18 09:41:02 CEST 2018
By the way, please explain how number of workers affect on performance?
modparam("http_async_client", "workers", 10)
чт, 18 окт. 2018 г. в 10:35, Denys Pozniak <denys.pozniak at gmail.com>:
> Hello!
> Version 5.1.3 works well in non-transactional mode ( $http_req(suspend) =
> 0; )
>
> [root at 10-10-10-10 ~]# kamailio -v
> version: kamailio 5.1.3 (x86_64/linux)
> flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE,
> USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC,
> TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT,
> USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST,
> HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: unknown
> compiled on 14:15:42 Aug 10 2018 with gcc 4.8.5
>
>
>
> пт, 28 сент. 2018 г. в 12:32, Federico Cabiddu <federico.cabiddu at gmail.com
> >:
>
>> Hi,
>> as far as I can see that part has not substantially changed.
>> Can you try with latest stable release in 5.1?
>>
>> Best regards,
>>
>> Federico
>>
>> On Thu, Sep 27, 2018 at 5:03 PM Denys Pozniak <denys.pozniak at gmail.com>
>> wrote:
>>
>>> This example does not work. I do not see log message.
>>>
>>> *Example 1.13. http_async_suspend() usage*
>>>
>>> ...
>>> t_newtran();
>>> http_async_suspend(0);
>>> # the transaction won't be suspended for the next query
>>> http_async_query("http://example.com/test.php", "HTTP_REPLY");
>>> xlog("L_INFO", "query sent\n");
>>> t_reply("200", "Ok");
>>>
>>> ...
>>>
>>>
>>>
>>>
>>> 2018-09-27 17:54 GMT+03:00 Federico Cabiddu <federico.cabiddu at gmail.com>
>>> :
>>>
>>>> What do you mean with "does not work well "?
>>>> I don't remember any change in that part but anyway you should switch
>>>> to 5.0 or 5.1 releases, since those are the maintained ones.
>>>>
>>>> Best regards,
>>>>
>>>> Federico
>>>>
>>>> On Thu, Sep 27, 2018 at 4:50 PM Denys Pozniak <denys.pozniak at gmail.com>
>>>> wrote:
>>>>
>>>>> Looks like http_async_suspend(0); does not work well in v4.4.2.
>>>>>
>>>>>
>>>>> https://www.kamailio.org/docs/modules/4.4.x/modules/http_async_client.html#http_async_client.f.http_async_suspend
>>>>>
>>>>> 2018-09-27 17:40 GMT+03:00 Denys Pozniak <denys.pozniak at gmail.com>:
>>>>>
>>>>>> So my config is ok and I need to add all next logic with call routing
>>>>>> to route[HTTP_REPLY] ,correct ?
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2018-09-27 16:42 GMT+03:00 Federico Cabiddu <
>>>>>> federico.cabiddu at gmail.com>:
>>>>>>
>>>>>>> Hi,
>>>>>>> if you are in a transactional contest (as you are since you are
>>>>>>> calling t_newtran()), the script execution is suspended, upon calling
>>>>>>> http_async_query and resumed in the callback route passed as parameter.
>>>>>>> The instructions after the call to http_async_query are never
>>>>>>> executed. If you are not in a transactional contest or you explicitly
>>>>>>> instruct to not suspend the transaction ($http(suspend) = 0,
>>>>>>> http://www.kamailio.org/docs/modules/devel/modules/http_async_client.html#idm1053320700)
>>>>>>> they will be executed, and the callback route will be run when the http
>>>>>>> reply comes. If you want to use http uqeries to retrieve parameters you
>>>>>>> want to use for your routing logic, you need to suspend the transaction and
>>>>>>> resume it in the callback.
>>>>>>> Hope this clarify.
>>>>>>>
>>>>>>> Best regards,
>>>>>>>
>>>>>>> Federico
>>>>>>>
>>>>>>> On Thu, Sep 27, 2018 at 3:36 PM Denys Pozniak <
>>>>>>> denys.pozniak at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hello!
>>>>>>>>
>>>>>>>> Please help me to understand how http_async_client module behaves.
>>>>>>>> I am going to use it for call routing according to the http response.
>>>>>>>>
>>>>>>>> if (is_method("INVITE")) {
>>>>>>>> t_newtran();
>>>>>>>> xlog("L_ERR", "ASYNC0-$fU-$rU-$rm---- \n");
>>>>>>>> http_set_timeout(1000);
>>>>>>>> http_set_method("POST");
>>>>>>>> http_append_header("Content-Type: application/json");
>>>>>>>> http_async_query("http://10.10.10.10:8080/RPC",
>>>>>>>> "{\"jsonrpc\": \"2.0\", \"method\": \"ul.lookup\", \"params\":
>>>>>>>> [\"location\",\"user\"], \"id\": 1}", "HTTP_REPLY");
>>>>>>>> xlog("L_ERR", "ASYNC1-$fU-$rU-$rm---- \n");
>>>>>>>> }
>>>>>>>>
>>>>>>>> route[HTTP_REPLY] {
>>>>>>>> xlog("L_ERR", "HTTP_REPLY: ok $http_ok \n");
>>>>>>>> xlog("L_ERR", "HTTP_REPLY: status $http_rs\n");
>>>>>>>> xlog("L_ERR", "HTTP_REPLY: body $http_rb\n");
>>>>>>>> xlog("L_ERR", "HTTP_REPLY: error $http_err)\n");
>>>>>>>> }
>>>>>>>>
>>>>>>>>
>>>>>>>> In syslog I see HTTP_REPLY log strings with correct response, but
>>>>>>>> do not see ASYNC1 string and script execution stops.
>>>>>>>>
>>>>>>>> What's wrong with this?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> # kamailio -v
>>>>>>>> version: kamailio 4.4.2 (x86_64/linux) 892ad6
>>>>>>>> flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS,
>>>>>>>> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP,
>>>>>>>> PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX,
>>>>>>>> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
>>>>>>>> USE_DST_BLACKLIST, HAVE_RESOLV_RES
>>>>>>>> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN
>>>>>>>> 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
>>>>>>>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>>>>>>>> id: 892ad6
>>>>>>>> compiled on 12:58:38 Aug 28 2017 with gcc 4.8.5
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> BR,
>>>>>>>> Denys Pozniak
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>> sr-users at lists.kamailio.org
>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> BR,
>>>>>> Denys Pozniak
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> BR,
>>>>> Denys Pozniak
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Kamailio (SER) - Users Mailing List
>>>>> sr-users at lists.kamailio.org
>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing List
>>>> sr-users at lists.kamailio.org
>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> BR,
>>> Denys Pozniak
>>>
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
>
> --
>
> BR,
> Denys Pozniak
>
>
>
--
BR,
Denys Pozniak
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