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From: Feng Xie <fengx@microsoft.com>
Date: Mon, 28 Feb 2022 16:00:13 +0000
Subject: Fixing issue: Authentication requests from the same IP address are
not load balanced among security modules
---
src/main.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/main.c b/src/main.c
index d99095b..b772292 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1079,6 +1079,7 @@ static void listen_watcher_cb (EV_P_ ev_io *w, int revents)
pid = fork();
if (pid == 0) { /* child */
unsigned int sec_mod_instance_index;
+ char buf[MAX_IP_STR]; // buffer holding human readable sockaddr
/* close any open descriptors, and erase
* sensitive data before running the worker
*/
@@ -1096,9 +1097,10 @@ static void listen_watcher_cb (EV_P_ ev_io *w, int revents)
set_self_oom_score_adj(s);
- sec_mod_instance_index = hash_any(
- SA_IN_P_GENERIC(&ws->remote_addr, ws->remote_addr_len),
- SA_IN_SIZE(ws->remote_addr_len), 0) % s->sec_mod_instance_count;
+ sec_mod_instance_index = hash_any(&ws->remote_addr, ws->remote_addr_len, 0) % s->sec_mod_instance_count;
+ mslog(s, NULL, LOG_DEBUG, "map worker serving remote address %s to secmod instance %u",
+ human_addr((struct sockaddr*)&ws->remote_addr, ws->remote_addr_len, buf, sizeof(buf)),
+ sec_mod_instance_index);
/* write sec-mod's address */
memcpy(&ws->secmod_addr, &s->sec_mod_instances[sec_mod_instance_index].secmod_addr, s->sec_mod_instances[sec_mod_instance_index].secmod_addr_len);
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