From 2335995140903582672d9191ef014f9a6fc00702 Mon Sep 17 00:00:00 2001
From: Mark Reynolds <mareynol@redhat.com>
Date: Mar 06 2012 16:28:59 +0000
Subject: Ticket #191  - Implement SO_KEEPALIVE in network calls


Bug Description:  Need to set the KeepAlive socket option on DS connections

Fix Description:  Set PR_SockOpt_Keepalive on DS connections

Reviewed by: richm (Thanks Rich!)

https://fedorahosted.org/389/ticket/191
`

---

diff --git a/ldap/servers/slapd/daemon.c b/ldap/servers/slapd/daemon.c
index 922802c..85daa28 100644
--- a/ldap/servers/slapd/daemon.c
+++ b/ldap/servers/slapd/daemon.c
@@ -3033,6 +3033,17 @@ int configure_pr_socket( PRFileDesc **pr_socket, int secure, int local )
 	}
 #endif /* !_WIN32 */
 
+	/* Set keep_alive to keep old connections from lingering */
+	pr_socketoption.option = PR_SockOpt_Keepalive;
+	pr_socketoption.value.keep_alive = 1;
+	if ( PR_SetSocketOption( *pr_socket, &pr_socketoption ) == PR_FAILURE ) {
+		PRErrorCode prerr = PR_GetError();
+		LDAPDebug( LDAP_DEBUG_ANY,
+				"PR_SetSocketOption(PR_SockOpt_Keepalive failed, "
+				SLAPI_COMPONENT_NAME_NSPR " error %d (%s)\n",
+				prerr, slapd_pr_strerror(prerr), 0 );
+	}
+
 	if ( secure ) {
 	  
 		pr_socketoption.option = PR_SockOpt_Nonblocking;