MXS-3239 Rename clustrix* to xpand*

Typenames still Clustrix.

server/modules/monitor/xpandmon/xpandnode.cc

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2024-10-14
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+
+#include "xpandnode.hh"
+#include "xpand.hh"
+
+bool ClustrixNode::can_be_used_as_hub(const char* zName,
+                                      const mxs::MonitorServer::ConnectionSettings& settings,
+                                      Clustrix::Softfailed softfailed)
+{
+    mxb_assert(m_pServer);
+    bool rv = Clustrix::ping_or_connect_to_hub(zName, settings, softfailed, *m_pServer, &m_pCon);
+
+    if (!rv)
+    {
+        mysql_close(m_pCon);
+        m_pCon = nullptr;
+    }
+
+    return rv;
+}