#
# 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:
#      http://www.opensips.org/Resources/DocsCookbooks
# for a explanation of possible statements, functions and parameters.
#


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

log_level=3
log_stderror=no
log_facility=LOG_LOCAL0

children=4

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

/* comment the next line to enable the auto discovery of local aliases
   based on reverse DNS on IPs */
auto_aliases=no


listen=udp:172.16.101.192:5063   # CUSTOMIZE ME
listen=ws:172.16.101.192:5062   # CUSTOMIZE ME


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

#set module path
mpath="/root/opensips//lib64/opensips/modules/"    # CUSTOMIZE ME
db_default_url="mysql://root:123456@172.15.0.6:3306/opensips"   # CUSTOMIZE ME


loadmodule "proto_ws.so" 
modparam("proto_ws", "ws_port", 5062)  # CUSTOMIZE ME

loadmodule "proto_udp.so"
loadmodule "db_mysql.so"

loadmodule "signaling.so"
loadmodule "sl.so"
loadmodule "maxfwd.so"
loadmodule "sipmsgops.so"

loadmodule "rr.so"
modparam("rr", "append_fromtag", 0)

loadmodule "uri.so"
modparam("uri", "use_uri_table", 0)

loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

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)

loadmodule "auth.so"
loadmodule "auth_db.so"
modparam("auth_db", "calculate_ha1", 1)
modparam("auth_db", "password_column", "password")

loadmodule "usrloc.so"
modparam("usrloc", "db_mode",   1)
modparam("usrloc", "nat_bflag", "NAT_BFLAG")
modparam("usrloc", "hash_size", 16)

#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
modparam("registrar", "max_contacts", 1)
modparam("registrar", "min_expires", 30)
modparam("registrar", "max_expires", 300)
modparam("registrar", "default_expires", 120)


loadmodule "nat_traversal.so"   #加载提供支持的模块
loadmodule "nathelper.so"
loadmodule "acc.so"
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)

modparam("acc", "detect_direction", 0)



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

# main request routing logic

route{

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

	# 使用 源ip和端口代替contact的值
	fix_contact();

       xlog("receive message method[$rm] fU[$fU] tU[$tU] | ci[$ci] si[$si] sp[$sp] rd[$rd] rU[$rU] tu[$tu] fd[$fd] ct[$ct]");

	if (has_totag()) {
	xlog("method[$rm] has_totag ");
		# handle hop-by-hop ACK (no routing required)
		if ( is_method("ACK")) {
       xlog("t_relay_ack");`
			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();
#

#	# 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_myself("$rd")) {
#		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("REGISTER AUTH : [$rm] ci[$ci] si[$si] sp[$sp] rd[$rd] rU[$rU] fU[$fU]");
        route(AUTH);
    }

	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{
	# 所有的响应都会进过这里
        fix_contact();   ###  200 OK 响应 contact 为内网IP时，ACK的发送的地址不正确，所以需要更改contact的地址。
}

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


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

	
}


route[AUTH]{

    $var(authRslt) = www_authorize("$td", "subscriber");  # the same as --> www_authorize("", "subscriber");
    xlog("register auth result [$var(authRslt)] rd [$rd] user[$fU] source ip[$si]");
    switch ($var(authRslt)) {
        case -1:
            send_reply("404", "Not Found");
            exit;
        case -2:
        case -5:
            send_reply("403", "Forbidden");
            exit;
        case -3:
        case -4:
            ###www_challenge("$td","1");
            www_challenge("$td","0");
            exit;
    }


    if (!save("location", "f")) {
        sl_reply_error();
    }

    $var(expire) = "0";
    if ( $hdrcnt(Expires) == 0 ) {
        $var(expire) = $ct.fields(expires);
        xlog("no expire header ,contact expire is  [$var(expire)]");
    } else {
        $var(expire) = $hdr(Expires);
        xlog("expires header , expire [$var(expire)]");
    }

    exit;
}