[sr-dev] [tracker] Task opened: siputils module. Adding the function: get_uri_param (Attachment added)

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Luis Martin (lmartin) 

Attached to Project - sip-router
Summary - siputils module. Adding the function: get_uri_param
Task Type - Improvement
Category - tools/scripts
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Normal
Reported Version - 3.3
Due in Version - Undecided
Due Date - Undecided
Details - This patch affects the 'siputils' module.
http://kamailio.org/docs/modules/stable/modules_k/siputils.html

This patch affects to the files:
kamailio/modules_k/siputils/siputils.c
kamailio/modules_k/siputils/checks.c
kamailio/modules_k/siputils/checks.h

Among the functions that 'siputils' provides, we have:
4.5.  uri_param(param)
http://kamailio.org/docs/modules/stable/modules_k/siputils.html#id2531859

4.6.  uri_param(param,value)
http://kamailio.org/docs/modules/stable/modules_k/siputils.html#id2539159

4.7.  add_uri_param(param)
http://kamailio.org/docs/modules/stable/modules_k/siputils.html#id2534537


What if I want the value back from a given "param" within the URI? This is what this patch does. It adds a function called 'get_uri_param':
get_uri_param(struct sip_msg* _msg, char* _param, char* _value)

Returns > 0 if _param if found and _value will have its associated value.
Returns < 0 if _param is not found.

Example (kamailio.cfg):
loadmodule "siputils.so"
(...)
$var(value) = "";
if(get_uri_param("grp","$var(value)")) {
     xlog("L_INFO", "-----------------------------\n");
     xlog("L_INFO", "This gives you the value of grp!\n");
     xlog("L_INFO", "grp detected: \"$var(value)\"\n");
     xlog("L_INFO", "-----------------------------\n");
} else {
     xlog("L_INFO", "no grp detected\n" );
}

If the URI is like:
sip:1234 at 192.168.20.10;option=test2;grp=test

The code below will output:
'This gives you the value of grp!'
'grp detected: "test"'


Hope it helps,
Luis Martin Gil

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More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=238

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