not sure about flags usage and cdrtools

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not sure about flags usage and cdrtools

Gabriel Bermudez
Hi everyone,

I use opensips+cdrtool and I've got the following issue, for some reason
the radacct table's (1 table per month) canonicaluri column of the my
radius database is not always been populated.
The cdrtools install guide says that:

It is critical to save $avp(s:can_uri) after the Proxy has performed all
possible lookups except DNS. The Canonical-URI will be used for rating
the session. Example:

route {
       ...
       setflag(ACCOUNTING_FLAG);
       $avp(s:can_uri) = $ru;
       ...
}

I'm not really sure when does the the proxy performs the DNS lookup on
my script, but basically I uncommented the example script that comes
with opensips to enable DB registration, lookup and when the user can't
be found by the location module, it let the carrierroute module handle
the call (of course I already got several carriers on my DB).  But the
truth is that I never tried to set the $avp(s:can_uri), because I'm not
sure where to put it.

Here is the script is there any way to ensure that the canonicaluri (and
destinationid) columns will always get populated?

Thanks very much for your help.

#
# $Id: opensips.cfg 4423 2008-06-27 10:25:01Z henningw $
#
# OpenSIPS basic configuration script
#     by Anca Vamanu <[hidden email]>
#
# Please refer to the Core CookBook at
http://www.opensips.org/dokuwiki/doku.php
# for a explanation of possible statements, functions and parameters.
#


####### Global Parameters #########

debug=3
log_stderror=no
log_facility=LOG_LOCAL0

fork=yes
children=4

/* uncomment the following lines to enable debugging */
#debug=6
#fork=no
#log_stderror=yes

/* uncomment the next line to disable TCP (default on) */
#disable_tcp=yes

/* uncomment the next line to enable the auto temporary blacklisting of
   not available destinations (default disabled) */
#disable_dns_blacklist=no

/* uncomment the next line to enable IPv6 lookup after IPv4 dns
   lookup failures (default disabled) */
#dns_try_ipv6=yes

/* uncomment the next line to disable the auto discovery of local aliases
   based on revers DNS on IPs (default on) */
#auto_aliases=no

/* uncomment the following lines to enable TLS support  (default off) */
#disable_tls = no
#listen = tls:your_IP:5061
#tls_verify_server = 1
#tls_verify_client = 1
#tls_require_client_certificate = 0
#tls_method = TLSv1
#tls_certificate = "/etc/opensips/tls/user/user-cert.pem"
#tls_private_key = "/etc/opensips/tls/user/user-privkey.pem"
#tls_ca_list = "/etc/opensips/tls/user/user-calist.pem"


port=5060

/* uncomment and configure the following line if you want opensips to
   bind on a specific interface/port/proto (default bind on all
available) */
#listen=udp:192.168.1.2:5060


####### Modules Section ########

#set module path
mpath="/usr/lib/opensips/modules/"

/* uncomment next line for MySQL DB support */
loadmodule "db_mysql.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 "siptrace.so"
loadmodule "dialog.so"
loadmodule "mediaproxy.so"
loadmodule "carrierroute.so"
loadmodule "nat_traversal.so"

/* uncomment next lines for MySQL based authentication support
   NOTE: a DB (like db_mysql) module must be also loaded */
loadmodule "auth.so"
loadmodule "auth_db.so"
/* uncomment next line for aliases support
   NOTE: a DB (like db_mysql) module must be also loaded */
#loadmodule "alias_db.so"
/* uncomment next line for multi-domain support
   NOTE: a DB (like db_mysql) module must be also loaded
   NOTE: be sure and enable multi-domain support in all used modules
         (see "multi-module params" section ) */
#loadmodule "domain.so"
/* uncomment the next two lines for presence server support
   NOTE: a DB (like db_mysql) module must be also loaded */
#loadmodule "presence.so"
#loadmodule "presence_xml.so"


# ----------------- setting module-specific parameters ---------------


# ----- mi_fifo params -----
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")


# ----- rr params -----
# add value to ;lr param to cope with most of the UAs
modparam("rr", "enable_full_lr", 1)
# do not append from tag to the RR (no need for this script)
modparam("rr", "append_fromtag", 0)


# ----- rr params -----
modparam("registrar", "method_filtering", 1)
/* uncomment the next line to disable parallel forking via location */
# modparam("registrar", "append_branches", 0)
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)


# ----- uri_db params -----
/* by default we disable the DB support in the module as we do not need it
   in this configuration */
modparam("uri_db", "use_uri_table", 0)
modparam("uri_db", "db_url", "")


# ----- acc params -----
/* what sepcial events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_ack", 0)
modparam("acc", "report_cancels", 0)
/* by default ww do not adjust the direct of the sequential requests.
   if you enable this parameter, be sure the enable "append_fromtag"
   in "rr" module */
modparam("acc", "detect_direction", 0)
/* account triggers (flags) */
modparam("acc", "failed_transaction_flag", 1)
modparam("acc", "log_level", 1)
modparam("acc", "log_flag", 1)
modparam("acc", "log_missed_flag", 1)
/* uncomment the following lines to enable DB accounting also */
modparam("acc", "db_flag", 1)
modparam("acc", "db_missed_flag", 2)
modparam("acc", "db_url", "mysql://opensips:opensipsrw@localhost/opensips")
modparam("acc", "radius_config", "/etc/opensips/radius/client.conf")
modparam("acc", "radius_flag", 1)
modparam("acc", "radius_missed_flag", 1)
modparam("acc", "radius_extra", "User-Name=$Au; \
                                 Calling-Station-Id=$from; \
                                 Called-Station-Id=$to; \
                                 Sip-Translated-Request-URI=$ru; \
                                 Sip-RPid=$avp(s:rpid); \
                                 Source-IP=$avp(s:source_ip); \
                                 Source-Port=$avp(s:source_port); \
                                 SIP-Proxy-IP=$avp(s:sip_proxy_ip); \
                                 Canonical-URI=$avp(s:can_uri); \
                                 Billing-Party=$avp(s:billing_party); \
                                 Divert-Reason=$avp(s:divert_reason); \
                                 User-Agent=$hdr(user-agent); \
                                 Contact=$hdr(contact); \
                                 Event=$hdr(event); \
                                 ENUM-TLD=$avp(s:enum_tld)")


# ----- siptrace params -----
modparam("siptrace", "db_url",
"mysql://opensips:opensipsrw@localhost/opensips")
modparam("siptrace", "traced_user_avp", "$avp(s:traced_user)")
modparam("siptrace", "trace_on", 1)
modparam("siptrace", "trace_flag", 2)

# ----- usrloc params -----
#modparam("usrloc", "db_mode",   0)
/* uncomment the following lines if you want to enable DB persistency
   for location entries */
modparam("usrloc", "db_mode",   2)
modparam("usrloc", "db_url",
    "mysql://opensips:opensipsrw@localhost/opensips")


# ----- auth_db params -----
/* uncomment the following lines if you want to enable the DB based
   authentication */
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", "")

# ----- alias_db params -----
/* uncomment the following lines if you want to enable the DB based
   aliases */
#modparam("alias_db", "db_url",
#    "mysql://opensips:opensipsrw@localhost/opensips")


# ----- domain params -----
/* uncomment the following lines to enable multi-domain detection
   support */
#modparam("domain", "db_url",
#    "mysql://opensips:opensipsrw@localhost/opensips")
#modparam("domain", "db_mode", 1)   # Use caching


# ----- multi-module params -----
/* uncomment the following line if you want to enable multi-domain support
   in the modules (dafault off) */
#modparam("alias_db|auth_db|usrloc|uri_db", "use_domain", 1)


# ----- presence params -----
/* uncomment the following lines if you want to enable presence */
#modparam("presence|presence_xml", "db_url",
#    "mysql://opensips:opensipsrw@localhost/opensips")
#modparam("presence_xml", "force_active", 1)
#modparam("presence", "server_address", "sip:192.168.1.2:5060")

# ----- dialog params -----
modparam("dialog", "dlg_flag", 4)

# ----- dialog params -----
modparam("carrierroute", "db_url",
"mysql://opensips:opensipsrw@localhost/opensips")
modparam("carrierroute", "config_source", "db")

####### Routing Logic ########


# main request routing logic

route{

    if (!mf_process_maxfwd_header("10")) {
        sl_send_reply("483","Too Many Hops");
        exit;
    }

    if(client_nat_test("3")) {
        fix_contact();
    }

    if (has_totag()) {
        # sequential request withing a dialog should
        # take the path determined by record-routing
        if (loose_route()) {
            if (is_method("BYE")) {
                setflag(1); # do accounting ...
                setflag(3); # ... even if the transaction fails
            }
            route(1);
        } else {
            /* uncomment the following lines if you want to enable
presence */
            ##if (is_method("SUBSCRIBE") && $rd ==
"your.server.ip.address") {
            ##    # in-dialog subscribe requests
            ##    route(2);
            ##    exit;
            ##}
            if ( is_method("ACK") ) {
                if ( t_check_trans() ) {
                    # non loose-route, but stateful ACK; must be an ACK
after a 487 or e.g. 404 from upstream server
                    t_relay();
                    exit;
                } else {
                    # ACK without matching transaction ... ignore and
discard.\n");
                    exit;
                }
            }
            sl_send_reply("404","Not here");
        }
        exit;
    }

    #initial requests

    # CANCEL processing
    if (is_method("CANCEL"))
    {
        if (t_check_trans())
            t_relay();
        exit;
    }

    t_check_trans();

    # authenticate if from local subscriber (uncomment to enable auth)
    if (!(method=="REGISTER") && from_uri==myself)
    {
        if (!proxy_authorize("", "subscriber")) {
            proxy_challenge("", "0");
            exit;
        }
        if (!check_from()) {
            sl_send_reply("403","Forbidden auth ID");
            exit;
        }
   
        consume_credentials();
        # caller authenticated
    }

    # record routing
    if (!is_method("REGISTER|MESSAGE"))
        record_route();

    # account only INVITEs
    if (is_method("INVITE")) {
        setflag(1); # do accounting
    }
    if (!uri==myself)
    /* replace with following line if multi-domain support is used */
    ##if (!is_uri_host_local())
    {
        append_hf("P-hint: outbound\r\n");
        # if you have some interdomain connections via TLS
        ##if($rd=="tls_domain1.net") {
        ##    t_relay("tls:domain1.net");
        ##    exit;
        ##} else if($rd=="tls_domain2.net") {
        ##    t_relay("tls:domain2.net");
        ##    exit;
        ##}
        route(1);
    }

    # requests for my domain

    /* uncomment this if you want to enable presence server
       and comment the next 'if' block
       NOTE: uncomment also the definition of route[2] from  below */
    ##if( is_method("PUBLISH|SUBSCRIBE"))
    ##        route(2);

    if (is_method("PUBLISH"))
    {
        sl_send_reply("503", "Service Unavailable");
        exit;
    }
   

    if (is_method("REGISTER"))
    {
        # authenticate the REGISTER requests (uncomment to enable auth)
        if (!www_authorize("", "subscriber"))
        {
            www_challenge("", "0");
            exit;
        }
       
        if (!check_to())
        {
            sl_send_reply("403","Forbidden auth ID");
            exit;
        }

        if (!save("location"))
            sl_reply_error();

        exit;
    }

    if ($rU==NULL) {
        # request with no Username in RURI
        sl_send_reply("484","Address Incomplete");
        exit;
    }

    # apply DB based aliases (uncomment to enable)
    ##alias_db_lookup("dbaliases");

    if (!lookup("location")) {
        switch ($retcode) {
            case -1:
            case -3:
                #t_newtran();
                #t_reply("404", "Not Found");
                #exit;
                xlog("No local user found, routing it to carrier");
                route(2);
            case -2:
                sl_send_reply("405", "Method Not Allowed");
                exit;
        }
    }

    # when routing via usrloc, log the missed calls also
    setflag(2);

    route(1);
}

# route for calls between located users
route[1] {
    # for INVITEs enable some additional helper routes
    if (is_method("INVITE")) {
        t_on_branch("2");
        t_on_reply("2");
        t_on_failure("1");
        nat_keepalive();
        engage_media_proxy();
    }

    if (!t_relay()) {
        sl_reply_error();
    };

    exit;
}
# route handled by carriers
route[2] {
    # for INVITEs enable some additional helper routes
        if (is_method("INVITE")) {
                t_on_branch("2");
                t_on_reply("2");
                t_on_failure("1");
        nat_keepalive();
                engage_media_proxy();
        }

        $avp(s:rewrite_host)=NULL;
        if(!cr_route("default", "0", "$rU", "$rU", "call_id",
"$avp(s:rewrite_host)")) {
                xlog("No carrier route found!!!");
                sl_send_reply("404", "Not Found");
        } else {
                xlog("Sending call to carrier host $avp(s:rewrite_host)");
                if(!t_relay()) {
                        sl_reply_error();
                }
        }

    exit;
}

branch_route[2] {
    xlog("new branch at $ru\n");
}


onreply_route[2] {
    xlog("incoming reply\n");
}


failure_route[1] {
    if (t_was_cancelled()) {
        exit;
    }
}



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