etc/kamailio.cfg: use dlgs to get dialog stats via rpc

etc/kamailio.cfg

@@ -307,6 +307,7 @@ loadmodule "ctl.so"
 loadmodule "cfg_rpc.so"
 loadmodule "acc.so"
 loadmodule "counters.so"
+loadmodule "dlgs.so"
 
 #!ifdef WITH_AUTH
 loadmodule "auth.so"
@@ -388,6 +389,12 @@ modparam("rr", "enable_full_lr", 0)
 # do not append from tag to the RR (no need for this script)
 modparam("rr", "append_fromtag", 0)
 
+# ----- dlgs params -----
+modparam("dlgs", "timer_interval", 10)
+modparam("dlgs", "init_lifetime", 180)
+modparam("dlgs", "active_lifetime", 7200)
+modparam("dlgs", "finish_lifetime", 10)
+
 # ----- registrar params -----
 modparam("registrar", "method_filtering", 1)
 /* uncomment the next line to disable parallel forking via location */
@@ -544,6 +551,7 @@ request_route {
 
 	# CANCEL processing
 	if (is_method("CANCEL")) {
+		dlgs_update();
 		if (t_check_trans()) {
 			route(RELAY);
 		}
@@ -596,6 +604,10 @@ request_route {
 		exit;
 	}
 
+	if(is_method("INVITE")) {
+		dlgs_init("$fu", "$tu", "srcip=$si");
+	}
+
 	# dispatch destinations to PSTN
 	route(PSTN);
 
@@ -681,6 +693,7 @@ route[WITHINDLG] {
 	# take the path determined by record-routing
 	if (loose_route()) {
 		route(DLGURI);
+		dlgs_update();
 		if (is_method("BYE")) {
 			setflag(FLT_ACC); # do accounting ...
 			setflag(FLT_ACCFAILED); # ... even if the transaction fails