#
# 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=3
xlog_level=3
log_stderror=no
log_facility=LOG_LOCAL6

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:127.0.0.1:5060   # CUSTOMIZE ME
socket=udp:172.18.7.118:5060
socket=udp:x.x.x.x:5080



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

#set module path
mpath="/usr/lib/x86_64-linux-gnu/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", 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", "/run/opensips/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

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

#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
/* 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)

loadmodule "proto_udp.so"

#### event_route module ####
#loadmodule "event_route.so"

#### mysql module ####
loadmodule "db_mysql.so"

#### mid_registrar module ####
loadmodule "mid_registrar.so"
modparam("mid_registrar", "mode", 0)

#### jsonrpc module ####
loadmodule "jsonrpc.so"

#### httpd module ####
loadmodule "httpd.so"
modparam("httpd", "ip", "127.0.0.1")

#### http_mi module ####
loadmodule "mi_http.so"

#### domain module ####
loadmodule "domain.so"
modparam("domain", "db_url", "mysql://opensips:opensipsrw@localhost/opensips")
modparam("domain", "db_mode", 1)   # Use caching

#### dispatcher module ####
loadmodule "dispatcher.so"
modparam("dispatcher", "db_url", "mysql://opensips:opensipsrw@localhost/opensips")

#### permissions module ####
loadmodule "permissions.so"
modparam("permissions", "db_url", "mysql://opensips:opensipsrw@localhost/opensips")
modparam("permissions", "address_table", "address")

#### nathelper module ####
loadmodule "nathelper.so"


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

# main request routing logic

route{

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

	if (has_totag()) {
	   if ( is_method("INVITE") ) {
	      xlog("HAS TO TAG INVITE\n");
	      }

		# 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");
			exit;
		}

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

		# 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")  ) ) {

		if (is_myself("$fd")) {

		} else {
			# if caller is not local, then called number must be local

			if (!is_myself("$rd")) {
				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")) {
	   xlog("INVITE from $si\n");
		if (check_source_address(1)) {
		   xlog("Authorized INVITE\n");
#		   if (!t_relay()) {
#                      send_reply(500,"Relaying Failed");
#                   }
#		   t_relay();
		}
		do_accounting("log");
		#exit;
	}


	if (!is_myself("$rd")) {
	   xlog("NOT MYSELF\n");
		append_hf("P-hint: outbound\r\n");

		route(relay);
	}

	# requests for my domain

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

	if (is_method("REGISTER")) {
	   xlog("registration received:\n AD: $ad \n DD: $dd \n FD: $fd\n");
	   if ($fd =~ ".*thisdomain\.tld$") {
	      xlog("registration to domain $fd on PBX\n");
	      ds_select_dst(2,0);
	      xlog("DU: $du\n");
#	      t_relay();
#	      exit;
	   }
	   if ($fd == "pbx.otherdomain.tld") {
	      xlog("registration to Office PBX\n");
	      ds_select_dst(1,0);
#	      t_relay();
#	      exit;
	   }
	   mid_registrar_save("location");
	   switch ($retcode) {
	   case 1:
		xlog("L_INFO", "forwarding REGISTER to main registrar...\n");
#		$ru = "sip:10.0.0.3:5070";
		if (!t_relay()) {
			send_reply(500, "Server Internal Error 1");
		}
		break;
	case 2:
		xlog("L_INFO", "REGISTER has been absorbed!\n");
		break;
	default:
		xlog("L_ERR", "mid-registrar error!\n");
		send_reply(500, "Server Internal Error 2");
	}

	exit;
		# 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;
	}



	# do lookup with method filtering
	if (!lookup("location","m")) {
		t_reply(404, "Not Found");
		exit;
	}

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

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




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


onreply_route[handle_nat] {
	xlog("incoming reply (handling nat)\n");
	fix_nated_contact();
}


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;
	##}


}