[OpenSIPS-Users] One dispatcher mystery solved; Doesn't seem to be "remembering" a gateway is failed however

[Bogdan-Andrei Iancu]

Jock McKechnie wrote:
>
>
> On Tue, Apr 13, 2010 at 5:04 AM, Bogdan-Andrei Iancu 
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
>     Hi Jock,
>
>     Jock McKechnie wrote:
>     >
>     > On Mon, Apr 12, 2010 at 10:48 AM, Bogdan-Andrei Iancu
>     > <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
>     <mailto:bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>>>
>     wrote:
>     >
>     >     Hi Jock,
>     >     > I'm wondering if the above error is some kind of AVP
>     storage thing I
>     >     > haven't set up that is causing it not to properly "mark" the
>     >     gateway,
>     >     > or more likely, not remember the mark. But I can't spot
>     anything in
>     >     > the dispatcher documentation that says as such.
>     >     your guess is right - dispatcher module uses AVPs to keep
>     the state
>     >     (between sequential tries on the same dialog).
>     >
>     >     I guess the ds_mark_dst() fails - can you check this?  
>     (this function
>     >     search for the dst and grp avps to identify the last tried
>     >     destination.).
>     >
>     > Greetings Bogdan, and thanks as always;
>     >
>     > I tried this:
>     >         if( t_check_status("408") ){
>     >                 xlog( "L_NOTICE", "[$Tf] FR: $ci -- TIMEOUT for
>     > Gateway $rd (marking as bad)\n" );
>     >                 if (!ds_mark_dst("p")) {
>     >                         xlog("L_NOTICE", "[$Tf] Panic! Not
>     marked\n");
>     >                         }
>     >                 }
>     >
>     > No 'Panic' in the logs.
>     >
>     > The dst and grp AVPs are set up, as you saw on my original post,
>     > but... that doesn't mean I'm not missing anything.
>     >
>     So, ds_mark does not fail .....
>
>     Are you 100% sure your script does define the "cnt" "grp" "dst" avp
>     params for the dispatcher module ????
>
> Unless somehow I'm doing it wrong, pretty sure:
>
> # Set up the dispatcher
> modparam("dispatcher", "db_url", 
> "mysql://openser:password@192.168.0.20/company 
> <http://openser:password@192.168.0.20/company>")
> modparam("dispatcher", "table_name", "dispatcher")
> modparam("dispatcher", "flags", 2 )
>
> modparam("dispatcher", "dst_avp", "$avp(i:271)")
> modparam("dispatcher", "grp_avp", "$avp(i:272)")
> modparam("dispatcher", "cnt_avp", "$avp(i:273)")
>
> modparam("dispatcher", "ds_ping_method", "OPTIONS")
> modparam("dispatcher", "ds_ping_interval", 5)
> modparam("dispatcher", "ds_ping_from", "sip:+14109999351 at 192.168.0.2 
> <mailto:sip%3A%2B14109999351 at 192.168.0.2>")
> modparam("dispatcher", "ds_probing_threshhold", 3)
>  
> As far as I can tell from the documentation and other people's 
> examples, this should be all that is required to make this function...
>
Could you check and be sure the error:

	ERROR:core:search_first_avp: 0 ID or NULL NAME AVP!

comes from the ds_mark_dst() ? - put some logs before and after it. Also eabling full debug (level 4) may also help.

Regards,
Bogdan