From b46f4be88adfaf6db7e47a9591f14212a9e04a27 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 15 Mar 2016 14:57:04 +0000
Subject: [PATCH] [Feature] Add workaround for master-slave definitions

---
 src/libutil/upstream.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/libutil/upstream.c b/src/libutil/upstream.c
index f22092289..020039d71 100644
--- a/src/libutil/upstream.c
+++ b/src/libutil/upstream.c
@@ -541,6 +541,14 @@ rspamd_upstreams_add_upstream (struct upstream_list *ups,
 		g_ptr_array_free (addrs, TRUE);
 	}
 
+	if (up->weight == 0 && ups->rot_alg == RSPAMD_UPSTREAM_MASTER_SLAVE) {
+		/* Special heuristic for master-slave rotation */
+		if (ups->ups->len == 0) {
+			/* Prioritize the first */
+			up->weight = 1;
+		}
+	}
+
 	g_ptr_array_add (ups->ups, up);
 	up->ud = data;
 	up->cur_weight = up->weight;
-- 
2.39.5