From: Ondřej Kuzník <ondra@mistotebe.net>
Date: Wed, 10 May 2017 15:06:19 +0000 (+0100)
Subject: Round-robin for upstream connections
X-Git-Tag: OPENLDAP_REL_ENG_2_5_1ALPHA~18^2~174
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e65cd38787fe95856e233103d08f3ee4122a095a;p=thirdparty%2Fopenldap.git

Round-robin for upstream connections
---

diff --git a/servers/lloadd/backend.c b/servers/lloadd/backend.c
index b1ad7a3119..7e2fc76f72 100644
--- a/servers/lloadd/backend.c
+++ b/servers/lloadd/backend.c
@@ -128,9 +128,16 @@ backend_select( Operation *op )
                         "selected connection %lu for client %lu msgid=%d\n",
                         c->c_connid, op->o_client_connid, op->o_client_msgid );
 
+                /*
+                 * Round-robin step:
+                 * Rotate the queue to put this connection at the end.
+                 */
+                LDAP_CIRCLEQ_MAKE_TAIL( head, c, c_next );
+
                 b->b_n_ops_executing++;
                 c->c_n_ops_executing++;
                 CONNECTION_UNLOCK_INCREF(c);
+
                 ldap_pvt_thread_mutex_unlock( &b->b_mutex );
                 return c;
             }