[OpenSIPS-Users] Trouble getting mediaproxy to work (dialog module)

Bogdan-Andrei Iancu bogdan at voice-system.ro
Fri Mar 20 13:30:22 CET 2009


Hi,

Do you get something like this at statup:
    engage_media_proxy() will not work because the dialog module is not 
loaded

Regards,
Bogdan


slophoo wrote:
> Opensips trace returns the following error to me:
>
> ERROR:mediaproxy:EngageMediaProxy: engage_media_proxy requires the dialog
> module to be loaded and configured
>
> I have not needed the dialog module before, but have now loaded it and it
> required one parameter, so I copied that from the example as well.  
>
> loadmodule "dialog.so"
> modparam("dialog", "dlg_flag",4)
>
> it seems to be loaded, but i still get the above error when making a call
> and mediaproxy is not used.  What am I missing?
>
> I'll post my entire opensips.cfg here in case it helps, maybe the issue is
> the order in which i call engage_media_proxy.  By the way, at the moment my
> goal is to get ALL calls to use mediaproxy just to verify that it works. 
> Later I will work out the specific NAT situations where it is needed:
>
>
>
> #
> # $Id: opensips.cfg 4423 2008-06-27 10:25:01Z henningw $
> #
> # OpenSIPS basic configuration script
> #     by Anca Vamanu <anca at voice-system.ro>
> #
> # Please refer to the Core CookBook at
> http://www.opensips.org/dokuwiki/doku.php
> # for a explanation of possible statements, functions and parameters.
> # hhii
>
> ####### 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 = "/usr/local/etc/opensips/tls/user/user-cert.pem"
> #tls_private_key = "/usr/local/etc/opensips/tls/user/user-privkey.pem"
> #tls_ca_list = "/usr/local/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/local/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 "dialog.so"
> loadmodule "acc.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"
>
> loadmodule "nathelper.so"
> loadmodule "mediaproxy.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", "")
> modparam("registrar", "received_avp", "$avp(i:42)")
>
> modparam("dialog","dlg_flag",4)
>
>
> # ----- acc params -----
> /* what sepcial events should be accounted ? */
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> /* 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", 3)
> modparam("acc", "log_flag", 1)
> modparam("acc", "log_missed_flag", 2)
> /* uncomment the following lines to enable DB accounting also */
> modparam("acc", "db_flag", 1)
> modparam("acc", "db_missed_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://openser:openserrw@127.0.0.1/openser")
>
>
> # ----- 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://openser:openserrw@127.0.0.1/openser")
> 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://openser:openserrw@127.0.0.1/openser")
> 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://openser:openserrw@127.0.0.1/openser")
> #modparam("presence_xml", "force_active", 1)
> #modparam("presence", "server_address", "sip:74.85.27.9:5060")
>
>
> # ----- nathelper params -----
> #modparam("nathelper", "rtpproxy_disable", 1)
> modparam("nathelper", "natping_interval", 0)
> modparam("nathelper","received_avp","$avp(i:42)")
>
> #modparam("mediaproxy","natping_interval",30)
> modparam("mediaproxy", "mediaproxy_socket",
> "/var/run/mediaproxy/dispatcher.sock")
>
>
>
> ####### Routing Logic ########
>
>
> # main request routing logic
>
> route{
> 	if (!mf_process_maxfwd_header("10")) {
> 		sl_send_reply("483","Too Many Hops");
> 		exit;
> 	}
>
> 	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") && $rd == "your.server.ip.address") {
> 			##	# in-dialog subscribe requests
> 			##	route(2);
> 			##	exit;
> 			##}
> 			if ( is_method("ACK") ) {
> 				if ( t_check_trans() ) {
> 					# non loose-route, but stateful ACK; must be an ACK after a 487 or e.g.
> 404 from upstream server
> 					t_relay();
> 					exit;
> 				} else {
> 					# ACK without matching transaction ... ignore and discard.\n");
> 					exit;
> 				}
> 			}
> 			sl_send_reply("404","Not here");
> 		}
> 		exit;
> 	}
>
> 	#initial requests
>
> 	# CANCEL processing
> 	if (is_method("CANCEL"))
> 	{
> 		if (t_check_trans())
> 			t_relay();
> 		exit;
> 	}
>
> 	t_check_trans();
>
> 	# authenticate if from local subscriber (uncomment to enable auth)
> 	##if (!(method=="REGISTER") && from_uri==myself)
> 	##{
> 	##	if (!proxy_authorize("", "subscriber")) {
> 	##		proxy_challenge("", "0");
> 	##		exit;
> 	##	}
> 	##	if (!check_from()) {
> 	##		sl_send_reply("403","Forbidden auth ID");
> 	##		exit;
> 	##	}
> 	##
> 	##	consume_credentials();
> 	##	# caller authenticated
> 	##}
>
> 	# record routing
> 	if (!is_method("REGISTER|MESSAGE"))
> 		append_hf("P-hint: hello record routing\r\n");
> 		record_route();
>
> 	# account only INVITEs
> 	if (is_method("INVITE")) {
> 		setflag(1); # do accounting
> 	}
> 	if (!uri==myself)
> 	/* replace with following line if multi-domain support is used */
> 	##if (!is_uri_host_local())
> 	{
> 		append_hf("P-hint: outbound\r\n"); 
> 		# if you have some interdomain connections via TLS
> 		##if($rd=="tls_domain1.net") {
> 		##	t_relay("tls:domain1.net");
> 		##	exit;
> 		##} else if($rd=="tls_domain2.net") {
> 		##	t_relay("tls:domain2.net");
> 		##	exit;
> 		##}
> 		route(1);
> 	}
>
> 	# requests for my domain
>
> 	/* uncomment this if you want to enable presence server 
> 	   and comment the next 'if' block
> 	   NOTE: uncomment also the definition of route[2] from  below */
> 	##if( is_method("PUBLISH|SUBSCRIBE"))
> 	##		route(2);
>
> 	if (is_method("PUBLISH"))
> 	{
> 		append_hf("P-hint: outbound alias\r\n");
> 		sl_send_reply("503", "Service sort of Unavailable");
> 		exit;
> 	}
> 	
>
>
>
>
>
>
>
> 	if (is_method("REGISTER"))
> 	{
> 		# authenticate the REGISTER requests (uncomment to enable auth)
> 		##if (!www_authorize("", "subscriber"))
> 		##{
> 		##	www_challenge("", "0");
> 		##	exit;
> 		##}
> 		##
> 		##if (!check_to()) 
> 		##{
> 		##	sl_send_reply("403","Forbidden auth ID");
> 		##	exit;
> 		##}
> 		append_hf("P-hint: hello register\r\n");
> 		if (!search("^Contact:[ ]*\*")) {
> 			setflag(6);
> 			fix_nated_register();
> 			force_rport();
> 			};
> 		if (!save("location"))
> 			sl_reply_error();
>
> 		exit;
> 	}
>
> 	if ($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;
> 			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] {
> 	# for INVITEs enable some additional helper routes
> 	if (is_method("INVITE")) {
> ##		#use_media_proxy();
> 		engage_media_proxy();
> 		append_hf("P-hint: setflag7|forcerport|fix_contact\r\n");
> 		t_on_branch("2");
> 		t_on_reply("2");
> 		t_on_failure("1");
> 	}
>
> 	if (!t_relay()) {
> 		sl_reply_error();
> 	};
> 	exit;
> }
>
>
> # Presence route
> /* uncomment the whole following route for enabling presence
>    NOTE: do not forget to enable the call of this route from the main
>      route */
> ##route[2]
> ##{
> ##	if (!t_newtran())
> ##	{
> ##		sl_reply_error();
> ##		exit;
> ##	};
> ##
> ##	if(is_method("PUBLISH"))
> ##	{
> ##		handle_publish();
> ##		t_release();
> ##	}
> ##	else
> ##	if( is_method("SUBSCRIBE"))
> ##	{
> ##		handle_subscribe();
> ##		t_release();
> ##	}
> ##
> ##	exit;
> ##}
>
>
> branch_route[2] {
> 	xlog("new branch at $ru\n");
> }
>
>
> onreply_route[2] {
> ##	use_media_proxy();
> 	append_hf("P-hint: onreplyrout\r\n)");
> 	xlog("incoming reply\n");
> }
>
>
> failure_route[1] {
> 	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;
> 	##}
>
> 	# uncomment the following lines if you want to redirect the failed 
> 	# calls to a different new destination
> 	##if (t_check_status("486|408")) {
> 	##	sethostport("192.168.2.100:5060");
> 	##	append_branch();
> 	##	# do not set the missed call flag again
> 	##	t_relay();
> 	##}
> }
>
>
>   




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