[OpenSER-Users] Dialog module

Bogdan-Andrei Iancu bogdan at voice-system.ro
Fri Jun 6 17:54:28 CEST 2008


Hi David,

This is because you do not use loose_route() at all, even if you do 
record_route(). See the dialog module documentation.

Regards,
Bogdan

David Villasmil wrote:
> Hello List,
>
>      I have a simple load balancer with dispatcher. I'm using the 
> DIALOG module, it is supposed to store in db all info about ongoing 
> dialogs. But my setup must be wrong, because a lot of dialogs are not 
> removed when the call is hung up.
>
> Here's my cfg:
>
>
> #
> # $Id: openser.cfg 1827 2007-03-12 15:22:53Z bogdan_iancu $
> #
> # simple quick-start config script
> # Please refer to the Core CookBook at 
> http://www.openser.org/dokuwiki/doku.php
> # for a explanation of possible statements, functions and parameters.
> #
>
> # ----------- global configuration parameters ------------------------
> debug=3 # debug level (cmd line: -dddddddddd)
> fork=yes
> log_stderror=no   # (cmd line: -E)
> children=4
> check_via=no
> dns=no
> rev_dns=no
> listen=a.b.c.d
> disable_dns_blacklist=true
> port=5060
>
> #set module path
> mpath="/lib/openser/modules/"
>
> # ------------------ module loading ----------------------------------
> loadmodule "mysql.so"
> loadmodule "maxfwd.so"
> loadmodule "sl.so"
> loadmodule "dispatcher.so"
> loadmodule "tm.so"
> loadmodule "mi_fifo.so"
> loadmodule "textops.so"
> loadmodule "xlog.so"
> loadmodule "rr.so"
> loadmodule "dialog.so"
> loadmodule "avpops.so"
>
> modparam("mi_fifo","fifo_name", "/tmp/openser_fifo")
> modparam("tm", "fr_timer", 5)
>
> modparam("dispatcher", "list_file", "/etc/openser/dispatcher.list")
> modparam("dispatcher", "flags", 2)
> modparam("dispatcher", "force_dst", 1)
> modparam("dispatcher", "dst_avp", "$avp(i:271)")
> modparam("dispatcher", "grp_avp", "$avp(i:272)")
> modparam("dispatcher", "cnt_avp", "$avp(i:273)")
>
> modparam("dialog", "dlg_flag", 4)
> modparam("dialog", "db_mode", 1)
> modparam("dialog", "table_name", "dialog")
> modparam("dialog", "db_url", "mysql://user:pass@localhost/openser")
>
> modparam("avpops","avp_url","mysql://user:pass@localhost/openser")
> modparam("avpops", "avp_table", "dialog")
>
> route{
>     # initial sanity checks -- messages with
>     # max_forwards==0, or excessively long requests
>     if (!mf_process_maxfwd_header("10")) {
>         sl_send_reply("483","Too Many Hops");
>         exit;
>     };
>
>     if (msg:len >=  2048 ) {
>         sl_send_reply("513", "Message too big");
>         exit;
>     };
>
>      if (!method=="REGISTER")
>           record_route();
>
>      if (method=="INVITE") { setflag(4); }
>
>     if ( method=="INVITE" || method=="ACK" || method=="BYE" || 
> method=="OPTIONS" || method=="CANCEL" ) {
>           ds_select_dst("1","2");
>           t_on_failure("1");
>           t_relay();
>           exit;
>      };
>
> }
>
> failure_route[1] {
>
>          if (t_check_status("408")) {
>                  xlog("L_INFO","Marking GW as failed...\n");
>                  ds_mark_dst("p");
>                  ds_next_dst();
>                  t_on_failure("1");
>                  t_relay();
>          } else{
>                  t_reply("501","Not Implemented");
>          }
> }
>
>
> As far as I know, using the record_route assures that all messages are 
> passed through the proxy so that dialogs must be removed... but they'r not
>
>
>
> Any ideas?
>
>
> Thanks a lot.
>
>
>
> David Villasmil
> ------------------------------------------------------------------------
>
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>   





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