r20647: add cluster code

(This used to be commit 5870830b99a8d76bda1ff5af3fcf8dda9aba50ec)

3 files changed, 84 insertions, 0 deletions

diff --git a/source4/cluster/cluster.c b/source4/cluster/cluster.c
new file mode 100644
index 0000000000..fef5bce0d1
--- /dev/null
+++ b/source4/cluster/cluster.c
@@ -0,0 +1,45 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   core clustering code
+
+   Copyright (C) Andrew Tridgell 2006
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "cluster/cluster.h"
+
+/*
+  server a server_id for the local node
+*/
+struct server_id cluster_id(uint32_t id)
+{
+	struct server_id server_id;
+	ZERO_STRUCT(server_id);
+	server_id.id = id;
+	return server_id;
+}
+
+
+/*
+  return a server_id as a string
+*/
+const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id)
+{
+	return talloc_asprintf(mem_ctx, "%u.%u", id.node, id.id);
+}
+
diff --git a/source4/cluster/cluster.h b/source4/cluster/cluster.h
new file mode 100644
index 0000000000..3c7f83960e
--- /dev/null
+++ b/source4/cluster/cluster.h
@@ -0,0 +1,35 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   structures for clustering
+
+   Copyright (C) Andrew Tridgell 2006
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __CLUSTER_H__
+#define __CLUSTER_H__ 
+
+/*
+  test for same cluster id
+*/
+#define cluster_id_equal(id1, id2) ((id1)->id == (id2)->id && (id1)->node == (id2)->node)
+
+/* prototypes */
+struct server_id cluster_id(uint32_t id);
+const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id);
+
+#endif
diff --git a/source4/cluster/config.mk b/source4/cluster/config.mk
new file mode 100644
index 0000000000..934bc55252
--- /dev/null
+++ b/source4/cluster/config.mk
@@ -0,0 +1,4 @@
+
+####################
+[SUBSYSTEM::CLUSTER]
+OBJ_FILES = cluster.o