[Minor] Various fixes around async events

src/libserver/symbols_cache.c

@@ -2601,7 +2601,7 @@ rspamd_symbols_cache_finalize_item (struct rspamd_task *task,
 	gdouble t2, diff;
 	guint i;
 	struct timeval tv;
-	const gdouble slow_diff_limit = 0.1;
+	const gdouble slow_diff_limit = 0.3;
 
 	/* Sanity checks */
 	g_assert (checkpoint->items_inflight > 0);
@@ -2615,13 +2615,14 @@ rspamd_symbols_cache_finalize_item (struct rspamd_task *task,
 		 * event to decrease async events count and call this function
 		 * one more time
 		 */
-		msg_debug_cache_task ("postpone finalisation of %s as there are %d "
-							  "async events pendning", item->symbol, item->async_events);
+		msg_debug_cache_task ("postpone finalisation of %s(%d) as there are %d "
+							  "async events pendning",
+							  item->symbol, item->id, item->async_events);
 
 		return;
 	}
 
-	msg_debug_cache_task ("process finalize for item %s", item->symbol);
+	msg_debug_cache_task ("process finalize for item %s(%d)", item->symbol, item->id);
 	SET_FINISH_BIT (checkpoint, item);
 	checkpoint->items_inflight --;
 	checkpoint->cur_item = NULL;
@@ -2642,7 +2643,7 @@ rspamd_symbols_cache_finalize_item (struct rspamd_task *task,
 
 	if (!(item->type & SYMBOL_TYPE_SQUEEZED)) {
 		if (diff > slow_diff_limit) {
-			msg_info_task ("slow rule: %s: %.2f ms", item->symbol,
+			msg_info_task ("slow rule: %s(%d): %.2f ms", item->symbol, item->id,
 					diff * 1000);
 		}
 

src/lua/lua_dns_resolver.c

@@ -352,6 +352,7 @@ lua_dns_resolver_resolve_common (lua_State *L,
 	struct rspamd_task *task = NULL;
 	GError *err = NULL;
 	gboolean forced = FALSE;
+	struct rspamd_symcache_item *item = NULL;
 
 	/* Check arguments */
 	if (!rspamd_lua_parse_table_arguments (L, first, &err,
@@ -372,6 +373,7 @@ lua_dns_resolver_resolve_common (lua_State *L,
 	if (task) {
 		pool = task->task_pool;
 		session = task->s;
+		item = rspamd_symbols_cache_get_cur_item (task);
 	}
 
 	if (to_resolve != NULL) {
@@ -449,8 +451,8 @@ lua_dns_resolver_resolve_common (lua_State *L,
 			/* Fail-safety as this function can, in theory, call
 			 * lua_dns_resolver_callback without switching to the event loop
 			 */
-			if (cbdata->item) {
-				rspamd_symcache_item_async_inc (task, cbdata->item, M);
+			if (item) {
+				rspamd_symcache_item_async_inc (task, item, M);
 			}
 
 			if (forced) {
@@ -469,10 +471,11 @@ lua_dns_resolver_resolve_common (lua_State *L,
 
 			if (ret) {
 				cbdata->s = session;
-				cbdata->item = rspamd_symbols_cache_get_cur_item (task);
 
-				if (cbdata->item) {
-					rspamd_symcache_item_async_inc (task, cbdata->item, M);
+
+				if (item) {
+					cbdata->item = item;
+					rspamd_symcache_item_async_inc (task, item, M);
 				}
 				/* callback was set up */
 				lua_pushboolean (L, TRUE);
@@ -481,8 +484,8 @@ lua_dns_resolver_resolve_common (lua_State *L,
 				lua_pushnil (L);
 			}
 
-			if (cbdata->item) {
-				rspamd_symcache_item_async_dec_check (task, cbdata->item, M);
+			if (item) {
+				rspamd_symcache_item_async_dec_check (task, item, M);
 			}
 		}
 	}

src/lua/lua_http.c

@@ -177,6 +177,11 @@ lua_http_push_error (struct lua_http_cbdata *cbd, const char *err)
 	lua_rawgeti (L, LUA_REGISTRYINDEX, cbd->cbref);
 	lua_pushstring (L, err);
 
+
+	if (cbd->item) {
+		rspamd_symbols_cache_set_cur_item (cbd->task, cbd->item);
+	}
+
 	if (lua_pcall (L, 1, 0, 0) != 0) {
 		msg_info ("callback call failed: %s", lua_tostring (L, -1));
 		lua_pop (L, 1);

src/lua/lua_redis.c

@@ -282,6 +282,10 @@ lua_redis_push_error (const gchar *err,
 			/* Data is nil */
 			lua_pushnil (cbs.L);
 
+			if (ud->item) {
+				rspamd_symbols_cache_set_cur_item (ud->task, ud->item);
+			}
+
 			if (lua_pcall (cbs.L, 2, 0, 0) != 0) {
 				msg_info ("call to callback failed: %s", lua_tostring (cbs.L, -1));
 				lua_pop (cbs.L, 1);

src/lua/lua_tcp.c

@@ -1205,6 +1205,7 @@ lua_tcp_make_connection (struct lua_tcp_cbdata *cbd)
 		return FALSE;
 	}
 
+#if 0
 	if (!(cbd->flags & LUA_TCP_FLAG_RESOLVED)) {
 		/* We come here without resolving, so we need to add a watcher */
 		lua_tcp_register_watcher (cbd);
@@ -1212,6 +1213,7 @@ lua_tcp_make_connection (struct lua_tcp_cbdata *cbd)
 	else {
 		cbd->flags |= LUA_TCP_FLAG_RESOLVED;
 	}
+#endif
 
 	lua_tcp_register_event (cbd);
 
@@ -1637,6 +1639,8 @@ lua_tcp_request (lua_State *L)
 	if (rspamd_parse_inet_address (&cbd->addr, host, 0)) {
 		rspamd_inet_address_set_port (cbd->addr, port);
 		/* Host is numeric IP, no need to resolve */
+		lua_tcp_register_watcher (cbd);
+
 		if (!lua_tcp_make_connection (cbd)) {
 			lua_pushboolean (L, FALSE);
 
@@ -1829,6 +1833,8 @@ lua_tcp_connect_sync (lua_State *L)
 			}
 		}
 		else {
+			cbd->item = rspamd_symbols_cache_get_cur_item (task);
+
 			if (!make_dns_request_task (task, lua_tcp_dns_handler, cbd,
 										RDNS_REQUEST_A, host)) {
 				lua_pushboolean (L, FALSE);