[Minor] More support of backend-less classifiers

2 files changed, 23 insertions, 5 deletions

diff --git a/src/libstat/stat_config.c b/src/libstat/stat_config.c
index 48f572468..59159da63 100644
--- a/src/libstat/stat_config.c
+++ b/src/libstat/stat_config.c
@@ -234,8 +234,11 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
 			st = g_slice_alloc0 (sizeof (*st));
 			st->classifier = cl;
 			st->stcf = stf;
-			st->backend = bk;
-			st->bkcf = bk->init (stat_ctx, cfg, st);
+
+			if (!(cl->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND)) {
+				st->backend = bk;
+				st->bkcf = bk->init (stat_ctx, cfg, st);
+			}
 			msg_debug_config ("added backend %s for symbol %s",
 					bk->name, stf->symbol);
 
@@ -256,7 +259,8 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
 				}
 			}
 
-			if (st->bkcf == NULL) {
+			if (st->bkcf == NULL &&
+					!(cl->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND)) {
 				msg_err_config ("cannot init backend %s for statfile %s",
 						clf->backend, stf->symbol);
 
@@ -297,7 +301,9 @@ rspamd_stat_close (void)
 		for (j = 0; j < cl->statfiles_ids->len; j ++) {
 			id = g_array_index (cl->statfiles_ids, gint, j);
 			st = g_ptr_array_index (st_ctx->statfiles, id);
-			st->backend->close (st->bkcf);
+			if (!(st->classifier->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND)) {
+				st->backend->close (st->bkcf);
+			}
 
 			g_slice_free1 (sizeof (*st), st);
 		}
diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index 228360fa6..7eeac00c1 100644
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -306,8 +306,13 @@ rspamd_stat_backends_process (struct rspamd_stat_ctx *st_ctx,
 
 	for (i = 0; i < st_ctx->statfiles->len; i++) {
 		st = g_ptr_array_index (st_ctx->statfiles, i);
-		bk_run = g_ptr_array_index (task->stat_runtimes, i);
 		cl = st->classifier;
+
+		if (cl->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND) {
+			continue;
+		}
+
+		bk_run = g_ptr_array_index (task->stat_runtimes, i);
 		g_assert (st != NULL);
 
 		if (bk_run != NULL) {
@@ -333,12 +338,19 @@ rspamd_stat_backends_post_process (struct rspamd_stat_ctx *st_ctx,
 {
 	guint i;
 	struct rspamd_statfile *st;
+	struct rspamd_classifier *cl;
 	gpointer bk_run;
 
 	g_assert (task->stat_runtimes != NULL);
 
 	for (i = 0; i < st_ctx->statfiles->len; i++) {
 		st = g_ptr_array_index (st_ctx->statfiles, i);
+		cl = st->classifier;
+
+		if (cl->cfg->flags & RSPAMD_FLAG_CLASSIFIER_NO_BACKEND) {
+			continue;
+		}
+
 		bk_run = g_ptr_array_index (task->stat_runtimes, i);
 		g_assert (st != NULL);