[SR-Users] http_async_client - queries

[Giacomo Vacca]

Hi all,
as a wrap up to this thread, since there were some private exchanges, this
summarises what can be correctly used (tested with version 4.4):

$var(target_url) = "http://test.com";
$http_req(method) = "PUT";
http_append_header("Content-Type: application/json");
$var(payload) = '{ "key1" : "value1", "key2" : "' + $fU + '" }';
http_async_query("$var(target_url)", "$var(payload)", "HTTP_REPLY");

which would result in something like:

PUT / HTTP/1.1.
Host: test.com.
Accept: */*.
Content-Type: application/json.
Content-Length: 38.
.
{ "key1" : "value1", "key2" : "sipp" }


$var(payload) can be constructed by concatenating the needed strings,
including pseudovariables, and timestamps can be computed with $TV() and
again concatenated in the payload as needed. The payload string has to be
escaped as expected by the web service.

Cheers,
Giacomo





On 1 December 2016 at 10:14, Giacomo Vacca <giacomo.vacca at gmail.com> wrote:

> Hi Agalya,
> can you please provide an example of the data format you'd like to use and
> the related http_async parameters and request?
> And possibly also an example of expected final content of the HTTP
> request?
> We'll try to better understand what you want achieve.
>
> Cheers,
> Giacomo
>
> On 30 November 2016 at 20:00, Ramachandran, Agalya (Contractor) <
> Agalya_Ramachandran at comcast.com> wrote:
>
>> Hi team,
>>
>>
>>
>> We are trying to use kamailio for our project purpose, which will be used
>> as a proxy server.
>>
>> Am trying to use “http_async_client” module to send my rest queries
>> asynchronously.
>>
>>
>>
>> I have few queries regarding the usage of http_async_query() and using
>> PUT method.
>>
>> *http_append_header("Authorization: Bearer $var(auth)");*
>>
>> *http_append_header("Content-Type: application/json");*
>>
>> *http_set_method("PUT");*
>>
>> *http_async_query("http://sdk-evm-wcdc-c-001.rtc.sys.comcast.net/events/createxmpprooteventfortn
>> <http://sdk-evm-wcdc-c-001.rtc.sys.comcast.net/events/createxmpprooteventfortn>",
>> "{'from_tn':'$fU','to_tn':'$tU','callid':'ci'}", "HTTP_REPLY");*
>>
>>
>>
>> Here am passing from, to, callid in post data field.
>>
>> Passing as ‘key’:’value’  is mandatory or I can pass only value- ?
>>
>>
>>
>> In the file, async_http.c – in async_send_query(), if I modify the post
>> data to the format I need, I see the value is truncated up to three fields
>> only.
>>
>> How can I achieve that my payload format whatever I form in
>> async_send_query(),doesn’t get truncated and will be passed to the server-?
>>
>> Can you please explain how this works-?
>>
>>
>>
>> Also, I observed that kamailio is restricting the content-length of HTTP
>> request to 256.
>>
>> Is this something modifiable-? If so please guide me how this can be
>> achieved.
>>
>>
>>
>> Regards,
>> Agalya
>>
>>
>>
>> _______________________________________________
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>>
>>
>
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