MINOR: backend: use a single call to ha_random32() for the random LB algo
For the random LB algorithm we need a random 32-bit hashing key that used
to be made of two calls to random(). Now we can simply perform a single
call to ha_random32() and get rid of the useless operations.
(cherry picked from commit b9f54c55929eddb6446f8d5c983fb8f1008eb0c6)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit ec40e1cb47b35763f4323153ac96009d5fd8535b)
Signed-off-by: Willy Tarreau <w@1wt.eu>
diff --git a/src/backend.c b/src/backend.c
index a493b49..160a2aa 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -574,8 +574,7 @@
curr = NULL;
do {
prev = curr;
- /* ensure all 32 bits are covered as long as RAND_MAX >= 65535 */
- hash = ((uint64_t)ha_random() * ((uint64_t)RAND_MAX + 1)) ^ ha_random();
+ hash = ha_random32();
curr = chash_get_server_hash(px, hash, avoid);
if (!curr)
break;