TT#178351 presence: be more resilient doing clean up of presentity

* same approach to ps_ptable_timer_clean

Change-Id: Ibd44f612473ae76633c0ea43fa08e62fbe9af711
(cherry picked from commit e50bf8b61a)

debian/patches/sipwise/presence-be-more-resilient-doing-clean-up.patch

@@ -6,11 +6,11 @@ previously if an error was found we were bailing out and the value
 was kept so at next round the value will be there and no more values
 where removed
 ---
- src/modules/presence/publish.c | 59 ++++++++++++++++++++++++++----------------
- 1 file changed, 37 insertions(+), 22 deletions(-)
+ src/modules/presence/publish.c | 97 +++++++++++++++++++++++++-----------------
+ 1 file changed, 58 insertions(+), 39 deletions(-)
 
 diff --git a/src/modules/presence/publish.c b/src/modules/presence/publish.c
-index 8889a2e..9bd334f 100644
+index 8889a2e..480ac7b 100644
 --- a/src/modules/presence/publish.c
 +++ b/src/modules/presence/publish.c
 @@ -69,6 +69,7 @@ void ps_presentity_db_timer_clean(unsigned int ticks, void *param)
@@ -137,3 +137,73 @@ index 8889a2e..9bd334f 100644
  		}
  	} while(db_fetch_next(&pa_dbf, pres_fetch_rows, pa_db, &result) == 1
  			&& RES_ROW_N(result) > 0);
+@@ -277,22 +292,23 @@ void ps_ptable_timer_clean(unsigned int ticks, void *param)
+ 		pres.etag = ptn->etag;
+ 		pres.event = contains_event(&ptn->event, NULL);
+ 		if(pres.event == NULL || pres.event->evp == NULL) {
+-			LM_ERR("event not found\n");
+-			goto error;
++			LM_ERR("event[%.*s] not found\n", STR_FMT(&ptn->event));
++			goto next;
+ 		}
+ 
+ 		if(uandd_to_uri(pres.user, pres.domain, &uri) < 0) {
+-			LM_ERR("constructing uri\n");
+-			goto error;
++			LM_ERR("constructing uri from [user]=%.*s  [domain]=%.*s\n",
++				STR_FMT(&pres.user), STR_FMT(&pres.domain));
++			goto next;
+ 		}
+ 
+-		LM_DBG("found expired publish for [user]=%.*s  [domanin]=%.*s\n",
++		LM_DBG("found expired publish for [user]=%.*s  [domain]=%.*s\n",
+ 				pres.user.len, pres.user.s, pres.domain.len, pres.domain.s);
+ 
+ 		if(pres_force_delete == 1) {
+ 			if(ps_ptable_remove(ptn) <0) {
+ 				LM_ERR("Deleting presentity\n");
+-				goto error;
++				goto next;
+ 			}
+ 		} else {
+ 			if(pres.event->get_rules_doc
+@@ -300,25 +316,28 @@ void ps_ptable_timer_clean(unsigned int ticks, void *param)
+ 								&pres.user, &pres.domain, &rules_doc)
+ 								< 0) {
+ 				LM_ERR("getting rules doc\n");
+-				goto error;
++				goto next;
+ 			}
+ 			if(publ_notify(&pres, uri, NULL, &pres.etag, rules_doc) < 0) {
+ 				LM_ERR("sending Notify request\n");
+-				goto error;
+-			}
+-			if(rules_doc) {
+-				if(rules_doc->s)
+-					pkg_free(rules_doc->s);
+-				pkg_free(rules_doc);
+-				rules_doc = NULL;
++				goto next;
+ 			}
+ 		}
+ 
+-		pkg_free(uri.s);
+-		uri.s = NULL;
++next:
++		if(uri.s) {
++			pkg_free(uri.s);
++			uri.s = NULL;
++		}
++		if(rules_doc) {
++			if(rules_doc->s) {
++				pkg_free(rules_doc->s);
++			}
++			pkg_free(rules_doc);
++			rules_doc = NULL;
++		}
+ 	}
+ 
+-error:
+ 	for(ptn = ptlist; ptn != NULL; ptn = ptn->next) {
+ 		if(ps_ptable_remove(ptn) <0) {
+ 			LM_ERR("failed deleting presentity item\n");