s3: add cluster_probe_ok() in a new module util_cluster.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

diff --git a/source3/lib/util_cluster.c b/source3/lib/util_cluster.c
new file mode 100644 (file)
index 0000000..ef79c8b
--- /dev/null
+++ b/source3/lib/util_cluster.c
@@ -0,0 +1,39 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  cluster utility functions
+ *  Copyright (C) Volker Lendecke 2013
+ *  Copyright (C) Michael Adam 2013
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "ctdbd_conn.h"
+#include "util_cluster.h"
+
+bool cluster_probe_ok(void)
+{
+       if (lp_clustering()) {
+               NTSTATUS status;
+
+               status = ctdbd_probe();
+               if (!NT_STATUS_IS_OK(status)) {
+                       DEBUG(0, ("clustering=yes but ctdbd connect failed: "
+                                 "%s\n", nt_errstr(status)));
+                       return false;
+               }
+       }
+
+       return true;
+}

diff --git a/source3/lib/util_cluster.h b/source3/lib/util_cluster.h
new file mode 100644 (file)
index 0000000..6d05987
--- /dev/null
+++ b/source3/lib/util_cluster.h
@@ -0,0 +1,27 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  cluster utility functions
+ *  Copyright (C) Volker Lendecke 2013
+ *  Copyright (C) Michael Adam 2013
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef __UTIL_CLUSTER_H__
+#define __UTIL_CLUSTER_H__
+
+bool cluster_probe_ok(void);
+
+#endif /* __UTIL_CLUSTER_H__ */