[OpenSIPS-Users] rl_check, limit parameter as a variable

Ben Newlin Ben.Newlin at genesys.com
Wed May 8 08:26:46 EDT 2019


Alexey,

My guess would be that the cache fetch is retrieving the value as a string, while rl_check is expecting an integer. When you set it explicitly as an integer in the script, it works. Have you tried converting the retrieved cache value to an integer using a transformation [1]?

[1] https://www.opensips.org/Documentation/Script-Tran-2-4#toc3

Ben Newlin 

´╗┐On 5/8/19, 7:27 AM, "Users on behalf of Alexey Kazantsev via Users" <users-bounces at lists.opensips.org on behalf of users at lists.opensips.org> wrote:

    Hi list !
    
    The idea is to store limit value in local cache, to be able to change it without
    OpenSIPS restart. But when I store it in local cache, it is not applied 
    to 'limit' parameter of rl_check [1] function. Though it is fetched successfully.
    
    [1] https://opensips.org/html/docs/modules/2.4.x/ratelimit.html#func_rl_check
    
    ------------------------------------------------
    working:
    
    	# initial INVITE
    	if(is_method("INVITE")) {
            ... ...
    		$var(rl) = 1;
    		xlog("L_NOTICE", "cfg_line $cfg_line ; var(rl) is $var(rl)");
    		if (!rl_check("pipe_$rU", "$var(rl)", "SBT")) {
    			sl_send_reply("503", "Server Unavailable");
    			exit;
    		};
    
    ------------------------------------------------
    NOT working:
    
    	# initial INVITE
    	if(is_method("INVITE")) {
            ... ...
    		cache_fetch("local", "incoming:ratelimit", $var(rl));
    		xlog("L_NOTICE", "cfg_line $cfg_line ; var(rl) is $var(rl)");
    		if (!rl_check("pipe_$rU", "$var(rl)", "SBT")) {
    			sl_send_reply("503", "Server Unavailable");
    			exit;
    		};
    
    
    -----------------------------------------------
    BR, Alexey
    http://alexeyka.zantsev.com/
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