presence_xml: use parameter presence/default_expires instead of 3600 …

…constant

- GH #2996

src/modules/presence_xml/add_events.c

@@ -33,6 +33,8 @@
 #include "../../core/parser/parse_content.h"
 #include "../../core/data_lump_rpl.h"
 #include "../../core/ut.h"
+#include "../../core/sr_module.h"
+#include "../presence/presence.h"
 #include "xcap_auth.h"
 #include "notify_body.h"
 #include "add_events.h"
@@ -49,6 +51,15 @@ int xml_add_events(void)
 {
 	pres_ev_t event;
 
+	/* read default expires from presence, if exists */
+	int pres_default_expires = 3600;
+	modparam_t type = 0;
+	int *param = find_param_export(find_module_by_name("presence"), "default_expires", INT_PARAM, &type);
+	if ( param && (type == INT_PARAM) ) 
+		pres_default_expires = *param;
+	else 
+		LOG(L_WARN, "cannot find pres_default_expires parameter or type is not correct in the presence module\n");
+
 	if(!pxml_disable_presence) {
 		/* constructing presence event */
 		memset(&event, 0, sizeof(pres_ev_t));
@@ -65,7 +76,7 @@ int xml_add_events(void)
 		event.agg_nbody = pres_agg_nbody;
 		event.evs_publ_handl = xml_publ_handl;
 		event.free_body = free_xml_body;
-		event.default_expires = 3600;
+		event.default_expires = pres_default_expires;
 		event.get_rules_doc = pres_get_rules_doc;
 		event.get_pidf_doc = pres_get_pidf_doc;
 		if(psapi.add_event(&event) < 0) {
@@ -85,7 +96,7 @@ int xml_add_events(void)
 		event.content_type.len = 27;
 		event.type = WINFO_TYPE;
 		event.free_body = free_xml_body;
-		event.default_expires = 3600;
+		event.default_expires = pres_default_expires;
 
 		if(psapi.add_event(&event) < 0) {
 			LM_ERR("while adding event presence.winfo\n");
@@ -106,7 +117,7 @@ int xml_add_events(void)
 		event.content_type.len = 27;
 		event.type = PUBL_TYPE;
 		event.free_body = free_xml_body;
-		event.default_expires = 3600;
+		event.default_expires = pres_default_expires;
 		if(psapi.add_event(&event) < 0) {
 			LM_ERR("while adding event dialog;sla\n");
 			return -1;
@@ -124,7 +135,7 @@ int xml_add_events(void)
 		event.content_type.len = 25;
 
 		event.type = PUBL_TYPE;
-		event.default_expires = 3600;
+		event.default_expires = pres_default_expires;
 		if(psapi.add_event(&event) < 0) {
 			LM_ERR("while adding event xcap-diff\n");
 			return -1;