summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndrew Tridgell <tridge@samba.org>2007-01-19 03:53:37 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:43:45 -0500
commit9d8c44af173c5266ea6c5eaf7772a21f8d3fb523 (patch)
tree1ccb55f563a03c4bd3e19e36883f0a06c3be3d57
parent630733e9ef9241df1b4d62b9fa6f32c721f9bfad (diff)
downloadsamba-9d8c44af173c5266ea6c5eaf7772a21f8d3fb523.tar.gz
samba-9d8c44af173c5266ea6c5eaf7772a21f8d3fb523.tar.bz2
samba-9d8c44af173c5266ea6c5eaf7772a21f8d3fb523.zip
r20887: allow the registration of multiple cluster backends
this is in preparation for ctdb (This used to be commit 489f022175a1022bcca8053116362825daae5e40)
-rw-r--r--source4/cluster/cluster.c35
-rw-r--r--source4/cluster/cluster.h1
-rw-r--r--source4/cluster/cluster_private.h36
3 files changed, 66 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);
}
-
diff --git a/source4/cluster/cluster.h b/source4/cluster/cluster.h
index 3c7f83960e..54dfec6259 100644
--- a/source4/cluster/cluster.h
+++ b/source4/cluster/cluster.h
@@ -31,5 +31,6 @@
/* prototypes */
struct server_id cluster_id(uint32_t id);
const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id);
+void *cluster_private(void);
#endif
diff --git a/source4/cluster/cluster_private.h b/source4/cluster/cluster_private.h
new file mode 100644
index 0000000000..e5df10060f
--- /dev/null
+++ b/source4/cluster/cluster_private.h
@@ -0,0 +1,36 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ private 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_PRIVATE_H_
+#define _CLUSTER_PRIVATE_H_
+
+struct cluster_ops {
+ struct server_id (*cluster_id)(struct cluster_ops *ops, uint32_t id);
+ const char *(*cluster_id_string)(struct cluster_ops *ops,
+ TALLOC_CTX *, struct server_id );
+ void *private; /* backend state */
+};
+
+void cluster_set_ops(struct cluster_ops *new_ops);
+void cluster_local_init(void);
+
+#endif