Add function that checks if the interface is part of a gateway group.

1 files changed, 22 insertions, 0 deletions

diff --git a/etc/inc/gwlb.inc b/etc/inc/gwlb.inc
index dd6b8e6..593d522 100644
--- a/etc/inc/gwlb.inc
+++ b/etc/inc/gwlb.inc
@@ -975,5 +975,27 @@ function validate_address_family($ipaddr, $gwname) {
 	return false;
 }
 
+/* check if a interface is part of a gateway group */
+function interface_gateway_group_member($interface) {
+	global $config;
+	$realif = get_real_interface($interface);
+	if(is_array($config['gateways']['gateway_group']))
+		$groups = $config['gateways']['gateway_group'];
+	else
+		return false;
+
+	foreach($groups as $group) {
+		if(is_array($group['item'])) {
+			foreach($group['item'] as $item) {
+				$elements = explode("|", $item);
+				$gwname = $elements[0];
+				$gwif = lookup_gateway_interface_by_name($gwname);
+				if($gwif == $interface)
+				return $group['name'];
+			}
+		}
+	}
+	return false;
+}
 
 ?>