debug=6
log_stderror=no
log_facility=LOG_LOCAL0

fork=yes
children=4

/* uncomment the following lines to enable debugging */
#debug=6
#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"

/* default db_url to be used by modules requiring DB connection;
   uncomment it if you use any module requiring DB connectivity */
db_default_url="mysql://xxxxx:xxxxx@localhost/opensips"


/*
     INTERFACE BINDING
*/
port=5060
listen=udp:10.195.100.5:5060
listen=tcp:10.195.100.5:5061
listen=tls:10.195.100.5:5062


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

#set module path
mpath="//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.so"
loadmodule "acc.so"
loadmodule "domain.so"
loadmodule "drouting.so"

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


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


# ----- rr params -----
modparam("rr", "append_fromtag", 0)


# ----- usrloc params -----
modparam("usrloc", "db_mode",   0)
modparam("usrloc", "db_mode",   2)
modparam("usrloc", "db_url", "mysql://xxxxx:xxxxx@localhost/opensips")


# ----- uri params -----
modparam("uri", "use_uri_table", 0)


# ----- acc params -----
modparam("acc", "early_media", 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)


# ----- domain params -----
modparam("domain", "db_url", "mysql://xxxxx:xxxxx@localhost/opensips")
modparam("domain", "db_mode", 1)   # Use caching


# ----- multi-module params -----
modparam("auth_db|usrloc|uri", "use_domain", 1)


# ----- drouting params -----
modparam("drouting", "db_url", "mysql://xxxxx:xxxxx@localhost/opensips")
modparam("drouting", "use_domain", 1)
modparam("drouting", "probing_interval", 60)
modparam("drouting", "probing_from", "sip:pinger@10.195.100.5")
modparam("drouting", "probing_method", "OPTIONS")
modparam("drouting", "probing_reply_codes", "501, 403, 404")

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


# main request routing logic

route{
        if (!mf_process_maxfwd_header("10")) {
                xlog("DEBUG: Failed the loop test!\n");
                sl_send_reply("483","Too Many Hops");
                exit;
        }

        if (is_method("INVITE")) {
                xlog("DEBUG: INVITE message...\n");
                setflag(1); # do accounting
                record_route();
                route(4); # Call our dynamic route.
        }

        if (has_totag()) {
                xlog("DEBUG: HAS TOTAG...\n");

                # if this is a sequential request, use the recorded route
                if(loose_route()) {
                        if (is_method("BYE")) {
                                setflag(1);     # do accounting
                                setflag(3);     # ... even if the transaction fails
                        } else if (is_method("INVITE"))
                        {
                                setflag(1);     # do accounting
                                record_route(); # record the route
                                route(4);       # route it dynamically
                        }

                        # If it's neither an INVITE or BYE, use the recorded route in loose_route()
                        route(1);
                } else {
                        # if it's an ACK message
                        if (is_method("ACK")) {
                                # check to see if it's a transaction we know about
                                if (t_check_trans()) {
                                        # it's not loosely routed, but it is stateful -- forward it
                                        t_relay();
                                        exit;   # we're done
                                } else {
                                        # if we don't know which transaction the ACK is to, discard
                                        exit;   # we're done
                                }
                        }

                        # if it isn't loosely routed, and it isn't an ACK
                        sl_send_reply("404", "Not here");
                }

                # if we get here, we don't know what the heck it is, discard
                exit;
        }

        #initial requests

        # CANCEL processing
        if (is_method("CANCEL"))
        {
                xlog("DEBUG: Message Canceled!\n");
                if (t_check_trans())
                        t_relay();
                exit;
        }

        t_check_trans();

        # preloaded route checking
        if (loose_route()) {
                xlog("L_ERR",
                "Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
                if (!is_method("ACK"))
                        sl_send_reply("403","Preload Route denied");
                exit;
        }

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

        # outbound
        if (!is_uri_host_local())
        {
                xlog("DEBUG: Hit the if !is_uri_host_local statement!\n");
                append_hf("P-hint: outbound\r\n");

                route(1);
        }


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


        if (is_method("REGISTER"))
        {

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

                exit;
        }

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


        # do lookup with method filtering
        if (!lookup("location","m")) {
                switch ($retcode) {
                        case -1:
                        case -3:
                                t_newtran();
                                t_reply("404", "Not Found");
                                exit;
                        case -2:
                                sl_send_reply("405", "Method Not Allowed");
                                exit;
                }
        }

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

        route(1);
}


route[1] {
        xlog("DEBUG: >>>BEGIN: route[1] Block -->\n");
        # for INVITEs enable some additional helper routes
        if (is_method("INVITE")) {
                t_on_branch("2");
                t_on_reply("2");
                t_on_failure("1");
        }

        if (!t_relay()) {
                xlog("DEBUG: route[1] Block: Failed to relay-->!\n");
                sl_reply_error();
        };
        exit;
}


# drouting route
route[4] {
        #log that we're trying dynamically at least
        xlog("DEBUG: >>>BEGIN: route[4] Block -->\n");
        if (!do_routing("0")) {
                xlog("!do_routing: No Rules matching the URI\n");
                send_reply("503", "No Rules matching the URI");
                exit;
        }

        if (is_method("INVITE")) {
                t_on_failure("4");
        }

        route(1);
}


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


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

}


failure_route[1] {
         xlog("DEBUG: failure_route[1] Block-->!\n");
        if (t_was_cancelled()) {
                exit;
        }
}

failure_route[4] {
        xlog("DEBUG: Hit the DRouting failure route!\n");
    if (t_was_cancelled()) {
        exit;
    }
    if (t_check_status("[34][0-9][0-9]")) {
        exit;
    }

    if (use_next_gw()) {
        t_relay();
        exit;
    } else {
        t_reply ("503", "Service not available");
        exit;
    }
}