[Fix] Use proper syntax for making DNS requests

src/libserver/events.c

@@ -172,7 +172,7 @@ rspamd_session_add_event (struct rspamd_async_session *session,
 	new_event->user_data = user_data;
 	new_event->subsystem = subsystem;
 
-	msg_debug_session ("added event: %p, pending %d events, "
+	msg_debug_session ("added event: %p, pending %d (+1) events, "
 					   "subsystem: %s",
 			user_data,
 			kh_size (session->events),
@@ -222,6 +222,11 @@ rspamd_session_remove_event (struct rspamd_async_session *session,
 	}
 
 	found_ev = kh_key (session->events, k);
+	msg_debug_session ("removed event: %p, pending %d (-1) events, "
+					   "subsystem: %s",
+			ud,
+			kh_size (session->events),
+			g_quark_to_string (found_ev->subsystem));
 	kh_del (rspamd_events_hash, session->events, k);
 
 	/* Remove event */

src/plugins/lua/asn.lua

@@ -74,8 +74,9 @@ local function asn_check(task)
       asn_set(parts[1], parts[2], parts[3])
     end
 
-    task:get_resolver():resolve_txt(task:get_session(), task:get_mempool(),
-        req_name, rspamd_dns_cb)
+    task:get_resolver():resolve_txt({task = task,
+                                     name = req_name,
+                                     callback = rspamd_dns_cb})
   end
 
   local ip = task:get_from_ip()

test/functional/lua/prepostfilters.lua

@@ -16,7 +16,7 @@ for i = 1,10 do
       end
       if task:has_symbol('TEST_PRE') then
         local r = task:get_resolver()
-        r:resolve_a(task:get_session(), task:get_mempool(), 'example.com', dns_cb)
+        r:resolve_a({task = task, name = 'example.com', callback = dns_cb})
       end
     end
   })