From 915e5159701b76d923b3f7bd94e600e8d9cacb2c Mon Sep 17 00:00:00 2001
From: Nadezhda Ivanova <nivanova@symas.com>
Date: Tue, 18 May 2021 16:41:08 +0300
Subject: [PATCH] ITS#9555 Introduce a default operations timeout for
 back-asyncmeta

---
 doc/man/man5/slapd-asyncmeta.5                | 2 ++
 servers/slapd/back-asyncmeta/back-asyncmeta.h | 4 +++-
 servers/slapd/back-asyncmeta/config.c         | 2 +-
 servers/slapd/back-asyncmeta/init.c           | 4 ++++
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/doc/man/man5/slapd-asyncmeta.5 b/doc/man/man5/slapd-asyncmeta.5
index dc6924c5d9..c1474aa90c 100644
--- a/doc/man/man5/slapd-asyncmeta.5
+++ b/doc/man/man5/slapd-asyncmeta.5
@@ -446,6 +446,8 @@ Operations can be
 
 \fB<op> ::= bind, add, delete, modrdn, modify, compare, search\fP
 
+By default, the timeout for all operations is 2 seconds.
+
 See
 .B slapd\-meta(5)
 for details.
diff --git a/servers/slapd/back-asyncmeta/back-asyncmeta.h b/servers/slapd/back-asyncmeta/back-asyncmeta.h
index 85437bf262..b860d0c705 100644
--- a/servers/slapd/back-asyncmeta/back-asyncmeta.h
+++ b/servers/slapd/back-asyncmeta/back-asyncmeta.h
@@ -326,8 +326,10 @@ typedef struct a_metatarget_t {
 #define	META_BACK_TGT_NOREFS(mt)		META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOREFS )
 #define	META_BACK_TGT_NOUNDEFFILTER(mt)		META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOUNDEFFILTER )
 
-#define META_BACK_CFG_MAX_PENDING_OPS          0x80
+#define META_BACK_CFG_MAX_PENDING_OPS           0x80
 #define META_BACK_CFG_MAX_TARGET_CONNS          0xFF
+#define META_BACK_CFG_DEFAULT_OPS_TIMEOUT       0x02
+
 /* the interval of the timeout checking loop in microseconds
  * possibly make this configurable? */
 #define META_BACK_CFG_MAX_TIMEOUT_LOOP          0x70000
diff --git a/servers/slapd/back-asyncmeta/config.c b/servers/slapd/back-asyncmeta/config.c
index c935e22be3..05ec953655 100644
--- a/servers/slapd/back-asyncmeta/config.c
+++ b/servers/slapd/back-asyncmeta/config.c
@@ -1177,7 +1177,7 @@ asyncmeta_back_cf_gen( ConfigArgs *c )
 
 		case LDAP_BACK_CFG_TIMEOUT:
 			for ( i = 0; i < SLAP_OP_LAST; i++ ) {
-				if ( mc->mc_timeout[ i ] != 0 ) {
+				if ( mc->mc_timeout[ i ] != META_BACK_CFG_DEFAULT_OPS_TIMEOUT ) {
 					break;
 				}
 			}
diff --git a/servers/slapd/back-asyncmeta/init.c b/servers/slapd/back-asyncmeta/init.c
index 1b9cc6af4a..a45fc3b66e 100644
--- a/servers/slapd/back-asyncmeta/init.c
+++ b/servers/slapd/back-asyncmeta/init.c
@@ -149,6 +149,10 @@ asyncmeta_back_db_init(
 	mi->mi_nretries = META_RETRY_DEFAULT;
 	mi->mi_version = LDAP_VERSION3;
 
+	for ( i = 0; i < SLAP_OP_LAST; i++ ) {
+		mi->mi_timeout[ i ] = META_BACK_CFG_DEFAULT_OPS_TIMEOUT;
+	}
+
 	for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
 		mi->mi_conn_priv[ i ].mic_num = 0;
 		LDAP_TAILQ_INIT( &mi->mi_conn_priv[ i ].mic_priv );