#
# OpenSIPS residential configuration script
#     by OpenSIPS Solutions <team@opensips-solutions.com>
#
# This script was generated via "make menuconfig", from
#   the "Residential" scenario.
# You can enable / disable more features / functionalities by
#   re-generating the scenario with different options.#
#
# Please refer to the Core CookBook at:
#      https://opensips.org/Resources/DocsCookbooks
# for a explanation of possible statements, functions and parameters.
#


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

/* uncomment the following lines to enable debugging */
#debug_mode=yes

log_level=4
xlog_level=4
log_stderror=no
log_facility=LOG_LOCAL0

udp_workers=4

/* 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

socket=udp:10.20.12.125:5060 # CUSTOMIZE ME
socket=tcp:10.20.12.125:5060
socket=tcp:10.20.12.124:5060 as 195.196.197.198 # CUSTOMIZE ME
#socket=udp:10.20.12.124:5060
#socket=tls:127.0.0.1:5061   # CUSTOMIZE ME

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

#set module path
mpath="/usr/local//lib64/opensips/modules/"

#### SIGNALING module
loadmodule "signaling.so"

#### StateLess module
loadmodule "sl.so"

#### Transaction Module
loadmodule "tm.so"
modparam("tm", "fr_timeout", 5)
modparam("tm", "fr_inv_timeout", 30)
modparam("tm", "restart_fr_on_each_reply", 0)
modparam("tm", "onreply_avp_mode", 1)

#### Record Route Module
loadmodule "rr.so"
/* do not append from tag to the RR (no need for this script) */
#modparam("rr", "append_fromtag", 1)
#modparam("rr", "enable_double_rr", 0)

#### MAX ForWarD module
loadmodule "maxfwd.so"

#### SIP MSG OPerationS module
loadmodule "sipmsgops.so"

#### FIFO Management Interface
loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

#### MYSQL module
loadmodule "db_mysql.so"

#### HTTPD module
loadmodule "httpd.so"
modparam("httpd", "port", 8888)

#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "working_mode_preset", "single-instance-sql-write-back")
modparam("usrloc", "db_url",
        "mysql://opensips:opensipsrw@localhost/opensips") # CUSTOMIZE ME


#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
modparam("registrar", "received_avp", "$avp(received_nh)")/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)

#### ACCounting module
loadmodule "acc.so"
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)
/* by default we do not adjust the direct of the sequential requests.
   if you enable this parameter, be sure to enable "append_fromtag"
   in "rr" module */
modparam("acc", "detect_direction", 0)

#### ALIAS module
loadmodule "alias_db.so"
modparam("alias_db", "db_url",
        "mysql://opensips:opensipsrw@localhost/opensips") # CUSTOMIZE ME

#### DOMAIN module
loadmodule "domain.so"
modparam("domain", "db_url",
        "mysql://opensips:opensipsrw@localhost/opensips") # CUSTOMIZE ME
modparam("domain", "db_mode", 1)   # Use caching
modparam("auth_db|usrloc", "use_domain", 1)

####  NAT modules
loadmodule "nathelper.so"
modparam("nathelper", "natping_interval", 10)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", "SIP_PING_FLAG")
modparam("nathelper", "sipping_from", "sip:pinger@127.0.0.1") #CUSTOMIZE ME
modparam("nathelper", "received_avp", "$avp(received_nh)")

loadmodule "rtpengine.so"
modparam("rtpengine", "rtpengine_sock", "udp:localhost:2223") # CUSTOMIZE ME

####  DYNAMMIC ROUTING module
loadmodule "drouting.so"
modparam("drouting", "db_url",
        "mysql://opensips:opensipsrw@localhost/opensips") # CUSTOMIZE ME

####  MI_HTTP module
loadmodule "mi_http.so"

loadmodule "proto_udp.so"
loadmodule "proto_tcp.so" loadmodule "proto_tls.so"
loadmodule "tls_mgm.so"
modparam("tls_mgm","server_domain", "default")
modparam("tls_mgm","match_ip_address", "[default]*")
modparam("tls_mgm","verify_cert", "[default]1")
modparam("tls_mgm","require_cert", "[default]0")
modparam("tls_mgm","tls_method", "[default]TLSv1")
modparam("tls_mgm","certificate", "[default]/etc/opensips/tls/user/user-cert.pem")
modparam("tls_mgm","private_key", "[default]/etc/opensips/tls/user/user-privkey.pem")
modparam("tls_mgm","ca_list", "[default]/etc/opensips/tls/user/user-calist.pem")

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

# main request routing logic

route{

        # initial NAT handling; detect if the request comes from behind a NAT
        # and apply contact fixing
        force_rport();
        #if (nat_uac_test(23)) {
        if ($si=~'^10\.193\.') {
                        if(remove_hf("Contact"))
                                {
                                # User Agent header removed
                                append_hf("Contact: sip:$fU@195.74.132.102:5060;transport=tcp\r\n");
                                }
                        setflag("NAT");
        }

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

        if (has_totag()) {

                # handle hop-by-hop ACK (no routing required)
                if ( is_method("ACK") && t_check_trans() ) {
                        t_relay();
                        exit;
                }

                # sequential request within a dialog should
                # take the path determined by record-routing
                if ( !loose_route() ) {
                        # we do record-routing for all our traffic, so we should not
                        # receive any sequential requests without Route hdr.
                        #send_reply(404,"Not here mate");
                        #exit;
                        xlog("loose routing failed\n");
                } else {
                        xlog("loose routing success\n");
                }

                if (is_method("BYE")) {
                        # do accounting even if the transaction fails
                        do_accounting("log","failed");
                }


                if (check_route_param("nat=yes"))
                        setflag("NAT");
                # route it out to whatever destination was set by loose_route()
                # in $du (destination URI).
                route(relay);
                exit;
        }

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

        # absorb retransmissions, but do not create transaction
        t_check_trans();

        if ( !(is_method("REGISTER")  || is_from_gw() ) ) {

                if (is_from_local()) {
                        xlog("local call\n");
                } else {
                        # if caller is not local, then called number must be local

                        if (!is_uri_host_local()) {
                                send_reply(403,"Relay Forbidden");
                                exit;
                        }
                }

        }

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

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

        # account only INVITEs
        if (is_method("INVITE")) {

                do_accounting("log");
        }


        if (!is_uri_host_local()) {
                append_hf("P-hint: outbound\r\n");

                # if you have some interdomain connections via TLS
                ## CUSTOMIZE IF NEEDED
                ##if ($rd=="tls_domain1.net"
                ## || $rd=="tls_domain2.net"
                ##) {
                ##      force_send_socket("tls:127.0.0.1:5061"); # CUSTOMIZE
                ##}

                route(relay);
        }

        # requests for my domain

        if (is_method("PUBLISH|SUBSCRIBE")) {
                send_reply(503, "Service Unavailable");
                exit;
        }

        if (is_method("REGISTER")) {

                if ($socket_in(proto) == "tcp" || $socket_in(proto) == "tls")
                        setflag("TCP_PERSISTENT");
                if (isflagset("NAT")) {
                        setbflag("SIP_PING_FLAG");
                }
                # store the registration and generate a SIP reply
                if (!save("location"))
                        xlog("failed to register AoR $tu\n");

                exit;
        }


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


        # apply DB based aliases
        alias_db_lookup("dbaliases");




        if ($rU=~"^\+[1-9][0-9]+$") {

                strip(1);
                if (!do_routing(0)) {
                        send_reply(500,"No PSTN Route found");
                        exit;
                }

                route(relay);
                exit;
        }


        # do lookup with method filtering
        if (!lookup("location","m")) {


                t_reply(404, "Not Found");
                exit;
        }

        if (isbflagset("NAT")) setflag("NAT");

        # when routing via usrloc, log the missed calls also
        do_accounting("log","missed");
        route(relay);
}


route[relay] {
        # for INVITEs enable some additional helper routes
        if (is_method("INVITE")) {

                if (isflagset("NAT")) {
                        rtpengine_manage("media-address=195.74.132.102");
                } else {

                rtpengine_manage();

                }

                t_on_branch("per_branch_ops");
                t_on_reply("handle_nat");
                t_on_failure("missed_call");
        }

        if (isflagset("NAT")) {
                add_rr_param(";nat=yes");
        }

        if (!t_relay()) {
                send_reply(500,"Internal Error");
        }
        exit;
}




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


onreply_route[handle_nat] {
        #if (nat_uac_test(1))
        #       fix_nated_contact();
        if ( isflagset("NAT") )
                rtpengine_manage("media-address=10.20.12.125");
        #rtpengine_manage();
        xlog("incoming reply\n");
}


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

        # uncomment the following lines if you want to block client
        # redirect based on 3xx replies.
        ##if (t_check_status("3[0-9][0-9]")) {
        ##t_reply(404,"Not found");
        ##      exit;
        ##}


}