[OpenSIPS-Users] infinite loop

[Bogdan-Andrei Iancu]

Hi Sebastian,

You mean you get the "483 Loop detected" ?

Regards,
Bogdan

Sebastian Krueger wrote:
> Hi guys,
>
> am new to openSIPS, and have hacked together this configuration file. 
> It looks like I'm landing in an infinite loop which only breaks out 
> once I've read the maximum number of forwards. I got it from the 
> openSER book and am trying to rewrite it to openSIPS.
>
> Here the config:
> ---------------
>
> |log_stderror=*no*
> ||log_facility=LOG_LOCAL0
> ||*fork*=yes
> ||children=4
> ||debug=6
> ||port=5060
> ||
> ||/####### Module Loading ########
> /|/||||/|
> ||mpath=*"/usr/lib/opensips/modules/"*
> ||
> ||loadmodule *"db_mysql.so"*
> ||loadmodule *"signaling.so"*
> ||loadmodule *"sl.so"*
> ||loadmodule *"tm.so"*
> ||loadmodule *"rr.so"*
> ||loadmodule *"maxfwd.so"*
> ||loadmodule *"usrloc.so"*
> ||loadmodule *"registrar.so"*
> ||loadmodule *"textops.so"*
> ||loadmodule *"mi_fifo.so"*
> ||loadmodule *"uri_db.so"*
> ||loadmodule *"uri.so"*
> ||loadmodule *"xlog.so"*
> ||loadmodule *"acc.so"*
> ||loadmodule *"auth.so"*
> ||loadmodule *"auth_db.so"*
> ||loadmodule *"alias_db.so"*
> ||loadmodule *"domain.so"*
> ||loadmodule *"presence.so"*
> ||loadmodule *"presence_xml.so"*
> ||
> ||/####### Module Parameters ########
> /|/||||/|modparam(*"db_mysql"*, *"ping_interval"*, 600)
> ||modparam(*"mi_fifo"*, *"fifo_name"*, *"/tmp/opensips_fifo"*)
> ||modparam(*"rr"*, *"enable_full_lr"*, 1)
> ||modparam(*"rr"*, *"append_fromtag"*, 0)
> ||modparam(*"registrar"*, *"method_filtering"*, 1)
> ||modparam(*"usrloc"*, *"db_mode"*,   2)
> ||modparam(*"usrloc"*, *"db_url"*, *"mysql://opensips:opensipsrw@localhost/opensips"*)
> ||modparam(*"uri_db"*, *"use_uri_table"*, 0)
> ||modparam(*"uri_db"*, *"db_url"*, *""*)
> ||modparam(*"acc"*, *"early_media"*, 1)
> ||modparam(*"acc"*, *"report_ack"*, 1)
> ||modparam(*"acc"*, *"report_cancels"*, 1)
> ||modparam(*"acc"*, *"detect_direction"*, 0)
> ||modparam(*"acc"*, *"failed_transaction_flag"*, 3)
> ||modparam(*"acc"*, *"log_flag"*, 1)
> ||modparam(*"acc"*, *"log_missed_flag"*, 2)
> ||modparam(*"acc"*, *"db_flag"*, 1)
> ||modparam(*"acc"*, *"db_missed_flag"*, 2)
> ||modparam(*"auth_db"*, *"calculate_ha1"*, yes)
> ||modparam(*"auth_db"*, *"password_column"*, *"password"*)
> ||modparam(*"auth_db"*, *"db_url"*, *"mysql://opensips:opensipsrw@localhost/opensips"*)
> ||modparam(*"auth_db"*, *"load_credentials"*, *""*)
> ||modparam(*"alias_db"*, *"db_url"*, *"mysql://opensips:opensipsrw@localhost/opensips"*)
> ||modparam(*"domain"*, *"db_url"*, *"mysql://opensips:opensipsrw@localhost/opensips"*)
> ||modparam(*"domain"*, *"db_mode"*, 1)   /# Use caching
> /|/||||/|modparam(*"presence|presence_xml"*, *"db_url"*, *"mysql://opensips:opensipsrw@localhost/opensips"*)
> ||modparam(*"presence_xml"*, *"force_active"*, 1)
> ||modparam(*"presence"*, *"server_address"*, *"sip:192.168.2.10:5060 <http://192.168.2.10:5060>"*)
> ||
> ||/####### Routing Logic ########
> /|/||||/|
> ||/# main request routing logic
> /|/||||/|route{
> ||
> ||        xlog(*"L_INFO"*, *"->Main Routing Block START"*);
> ||
> ||        *if* (!mf_process_maxfwd_header(*"10"*)) {
> ||                xlog(*"L_INFO"*, *"-->Exceeded Max-forwards"*);
> ||                sl_send_reply(*"483"*,*"Too Many Hops"*);
> ||                *exit*;
> ||        }
> ||        *if* (msg:len >= 2048) {
> ||                xlog(*"L_INFO"*, *"-->Exceeded Message Size"*);
> ||                sl_send_reply(*"513"*, *"Message too big"*);
> ||                *exit*;
> ||        }
> ||
> ||        *if* (!method==*"REGISTER"*) 
> ||                record_route();
> ||        
> ||        *if* (loose_route()) {
> ||                append_hf(*"P-hint: rr-enforced\r\n"*);
> ||                route(1);
> ||        }
> ||        
> ||        *if* (!uri==myself) {
> ||                append_hf(*"P-hint: outbound\r\n"*);
> ||                route(1);
> ||        }
> ||
> ||        *if* (uri==myself) {
> ||                *if* (method==*"REGISTER"*) {
> ||                        save(*"location"*);
> ||                        *exit*;
> ||                }
> ||                lookup(*"aliases"*);
> ||                *if* (!uri==myself) {
> ||                        append_hf(*"P-hint: outbound alias\r\n"*);
> ||                        route(1);
> ||                }
> ||                *if* (!lookup(*"location"*)) {
> ||                        sl_send_reply(*"404"*, *"Not Found"*);
> ||                        *exit*;
> ||                }
> ||                append_hf(*"P-hint: userloc applied\r\n"*);
> ||        }
> ||        route(1);
> ||}
> ||
> ||
> ||route[1] {
> ||        *if* (!t_relay()) {
> ||                sl_reply_error();
> ||        }
> ||        *exit*;
> ||}|
> ------------
> I'm trying to create the most simple possible configuration file. No features, except for being able to make calls and use a mysql backend.
> I'm also trying to find out what the "uri" and the "myself" resolve to. Have looked everywhere in the openSIPS cookbooks, but can't find anything. Are these actual variables?
>
> Does "uri" == "$ru"?
> What does the "myself" resolve to?
> Does "method" == "$rm"?
> Is the "msg:len" variable meant to be "$cl"?
> Any info is much appreciated.
> Cheers, Sebastian.
> ------------------------------------------------------------------------
>
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