[SR-Users] http_async_query - How to Allow SIP transaction to continue

[Jonathan Hunter]

Hi Federico,
Hope you are well?
Thanks for the reply, t_newtran()  before http_async_query works perfectly!
Many thanks
Jon

From: federico.cabiddu at gmail.com
Date: Thu, 15 Sep 2016 19:47:31 +0200
To: sr-users at lists.sip-router.org
Subject: Re: [SR-Users] http_async_query - How to Allow SIP transaction to	continue

Hi,did you create the transaction before calling http_async_query?If not, the function switch to non-transactional context, the script execution is not stopped (you should notice it in your logs if the log line after the function call is printed) and the callback function creates a fake message to be processed in the callback route. 
You should call t_newtran() before calling http_async_query.
Cheers,
Federico
On Thu, Sep 15, 2016 at 5:44 PM, Jonathan Hunter <hunterj91 at hotmail.com> wrote:



Hi Guys,
I am just testing with jansson and http_async_query.
Essentially I sent an INVITE into kamailio ,it hits CALL_START_REQUEST (see below) and the query allows the http site I send to, to provide routing details for kamailio.
Logging the $rm that hits CALL_START_ REQUEST, it shows as INVITE, however when CALL_START_REQUEST_REPLY is hit, the message type is OPTIONS, is this expected behaviour?
Essentially I want it to continue in the script with the same $ci,$rm so I can onwards route it for termination, but all I get are options messages being sent, any hints please?
As Ideally I want the transaction to continue to a route where I can forward on modified request for termination.
Thanks
Jon


Routes;

# Send to FreeSWITCHroute[CALL_START_REQUEST]{xlog("L_INFO","route[CALL_START_REQUEST] Call received $ci,$rm,$ru,$du\n");
###Build JSON request to send to MAP$var(params) = $null;jansson_set("string", "username", "xxx", "$var(params)");jansson_set("string", "password", "xxx", "$var(params)");jansson_set("string", "source", "$fU", "$var(params)");jansson_set("string", "route", "$var(carriername)", "$var(params)");jansson_set("string", "destination", "$rU", "$var(params)");/// other fields set herehttp_set_timeout(5000);http_set_method("POST");http_append_header("Content-Type: application/json");http_async_query("http://test.com", "$var(params)", "CALL_START_REQUEST_REPLY");xlog("L_INFO", "Checking here we have status=$var(status)\n");xlog("L_INFO", "Current Destination is $du\n");#return;#exit;}#########################route[CALL_START_REQUEST_REPLY]{xlog("L_INFO", "route[CALL_START_REQUEST_REPLY]: $ci,$rm,$ru,$du\n");

Logs show;
 route[CALL_START_REQUEST] Call received b087fa53-f5fc-1234-94ac-f68eb8da94f7,INVITE,sip:441624891676 at 8.8.8.8:5060;user=phone,<null>
 route[CALL_START_REQUEST_REPLY]: 123,OPTIONS,sip:G711A-282951200 at kamailio.org,sip:G711A-282951200 at 8.8.8.8:5080
 		 	   		  

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