From 2d720643be0683d2ac07ffc8d491d090f59a9463 Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Sat, 19 Jun 1999 03:20:01 +0000
Subject: [PATCH] experimental connections_timeout_idle() implementation.

---
 servers/slapd/connection.c | 29 +++++++++++++++++++++++++++++
 servers/slapd/daemon.c     | 13 ++++++++++++-
 servers/slapd/proto-slap.h |  1 +
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c
index 319b20396e..3cc267347f 100644
--- a/servers/slapd/connection.c
+++ b/servers/slapd/connection.c
@@ -137,6 +137,35 @@ int connections_shutdown(void)
 	return 0;
 }
 
+/*
+ * Timeout idle connections.
+ */
+int connections_timeout_idle(time_t now)
+{
+	int i = 0;
+	int connindex;
+	Connection* c;
+
+	ldap_pvt_thread_mutex_lock( &connections_mutex );
+
+ 	for( c = connection_first( &connindex );
+		c != NULL;
+		c = connection_next( c, &connindex ) )
+	{
+		if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
+			/* close it */
+			connection_closing( c );
+			connection_close( c );
+			i++;
+		}
+	}
+	connection_done( c );
+
+	ldap_pvt_thread_mutex_unlock( &connections_mutex );
+
+	return i;
+}
+
 static Connection* connection_get( ber_socket_t s )
 {
 	/* connections_mutex should be locked by caller */
diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index eb26b8fede..b80ec9c62b 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -330,8 +330,13 @@ slapd_daemon_task(
 		ber_socket_t i;
 		int ns;
 		ber_socket_t nfds;
-		int ebadf = 0;
 #define SLAPD_EBADF_LIMIT 10
+		int ebadf = 0;
+
+#define SLAPD_IDLE_CHECK_LIMIT 4
+		time_t	last_idle_check = slap_get_time();
+		time_t	now;
+
 
 		fd_set			readfds;
 		fd_set			writefds;
@@ -346,6 +351,12 @@ slapd_daemon_task(
 		char	*client_name;
 		char	*client_addr;
 
+		if( global_idletimeout > 0 &&
+			difftime( last_idle_check+global_idletimeout, now ) < 0 )
+		{
+			connections_timeout_idle(now);
+		}
+
 		FD_ZERO( &writefds );
 		FD_ZERO( &readfds );
 
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index dba1e5debe..58e92c964a 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -128,6 +128,7 @@ int read_config LDAP_P(( char *fname ));
 int connections_init LDAP_P((void));
 int connections_shutdown LDAP_P((void));
 int connections_destroy LDAP_P((void));
+int connections_timeout_idle LDAP_P((time_t));
 
 long connection_init LDAP_P((
 	ber_socket_t s,
-- 
2.39.5