r20887: allow the registration of multiple cluster backends

this is in preparation for ctdb
(This used to be commit 489f022175a1022bcca8053116362825daae5e40)

1 files changed, 29 insertions, 6 deletions

diff --git a/source4/cluster/cluster.c b/source4/cluster/cluster.c
index fef5bce0d1..0bd4649376 100644
--- a/source4/cluster/cluster.c
+++ b/source4/cluster/cluster.c
@@ -22,16 +22,39 @@
 
 #include "includes.h"
 #include "cluster/cluster.h"
+#include "cluster/cluster_private.h"
+
+static struct cluster_ops *ops;
+
+/* set cluster operations */
+void cluster_set_ops(struct cluster_ops *new_ops)
+{
+	ops = new_ops;
+}
+
+/*
+  not a nice abstraction :(
+*/
+void *cluster_private(void)
+{
+	return ops->private;
+}
+
+/* by default use the local ops */
+static void cluster_init(void)
+{
+	if (ops == NULL) cluster_local_init();
+}
+
+
 
 /*
   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;
+	cluster_init();
+	return ops->cluster_id(ops, id);
 }
 
 
@@ -40,6 +63,6 @@ struct server_id cluster_id(uint32_t id)
 */
 const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id)
 {
-	return talloc_asprintf(mem_ctx, "%u.%u", id.node, id.id);
+	cluster_init();
+	return ops->cluster_id_string(ops, mem_ctx, id);
 }
-