I have updated the http_async_client documentation for master and 5.0. Please note that in respect to 4.4 http_async_query() now only takes 2 parameters: the payload is passed with $http_req(body).
Giacomo On 25 April 2017 at 22:09, Giacomo Vacca <[email protected]> wrote: > Hi, > reusing the same connection to the same url is delegated to liburl, so you > can have that when using http_async_client. > More workers will increase the capacity at the price of resources (shared > memory). > I wrote a wrap up about building the request payload here: > https://lists.kamailio.org/pipermail/sr-users/2016-December/095454.html - > please double check escaping. > The function methods have been reviewed in version 5 and removed, replaced > by pseudovariable settings which is more common practice in kamailio. > Instead of http_append_header() use > $http_req(hdr) = "X-theheader: the value"; > > Instead of http_set_method() use > $http_req(method) = "POST"; > > The latest documentation requires a little review for some mentions of the > old functions. Will try to fix as soon as possible. > > Best Regards, > Giacomo > > On 25 April 2017 at 19:02, Pranathi Venkatayogi <[email protected]> > wrote: > >> I recently successfully used http_async_client for POST. Will try to help >> you out here - >> >> >> >> *From:* sr-users [mailto:[email protected]] *On Behalf >> Of *Ramachandran, Agalya (Contractor) >> *Sent:* Tuesday, April 25, 2017 10:17 AM >> *To:* [email protected]; [email protected] >> *Subject:* [SR-Users] Query with regard to http_client and >> http_async_client >> >> >> >> Hi Giacomo, >> >> >> >> I have few questions with regard to rest client in kamailio. >> >> >> >> 1) I see there are two modules in kamailio for rest client. >> http_client, http_async_client. >> >> I hope http_client does the http transfer in synchronous way. >> >> http_async_client does the http transfer in asynchronous manner. >> >> Correct me if am wrong here. >> >> Correct. >> >> 2) I want to achieve https transfers in async way, so choosing >> http_async_client. >> >> Is there a way that kamailio *maintains persistent TCP connection >> pooling for http transfer*. >> >> I see there is a “workers” parameter in http_async_client. By increasing >> this number does it result it more http request’s handling? >> >> Let the author reply here. >> >> 3) Also, I have some questions regarding documentation for module >> http_async_client in 5.0 version. >> >> In the API exposure, it says *“http_async_query(url, route_name)”*. >> >> But the example if I want to use *POST*, it says >> *“http_async_query("http://example.com/test.php >> <http://example.com/test.php>", "{'r_uri':'$rU', 'f_uri':'$fU'}", >> "HTTP_REPLY");”* >> >> There is a parameter mismatch between the example and the actual >> function. >> >> >> >> If I try to use *GET* query, kamailio service is starting. But if I try >> to give the *POST* query with payload, kamailio service is not started. >> >> It says, sctp_core_destroy(): SCTP API not initialized. >> >> >> >> Also I have noticed that, functions like >> http_append_header(),http_set_method() >> are removed in 5.0 version, whereas we have this API’s is 4.x versions. >> >> Is there some issue with the documentation for 5.0 ? >> >> >> >> I used it like this and it works - http_async_query("http://TEXT_ >> BROKER/api/events/CallAnswered", >> >> "{'CallId':'$ci', 'Time' : '$TF'}", >> >> "HTTP_REPLY"); >> >> Issue may be with quotes. Make sure you don’t have “ in the second >> parameter content. If you send Kamailio log it will be easier to debug. >> >> >> >> Please let me the know the details for the above queries. >> >> >> >> Regards, >> Agalya >> >> >> >> >> >> >> > >
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