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/*
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"
#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;
}
/*
an ugly way of getting at the backend handle (eg. ctdb context) via the cluster API
*/
void *cluster_backend_handle(void)
{
return ops->backend_handle(ops);
}
/* 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)
{
cluster_init();
return ops->cluster_id(ops, id);
}
/*
return a server_id as a string
*/
const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id)
{
cluster_init();
return ops->cluster_id_string(ops, mem_ctx, id);
}
/*
open a temporary tdb in a cluster friendly manner
*/
struct tdb_wrap *cluster_tdb_tmp_open(TALLOC_CTX *mem_ctx, const char *dbname, int flags)
{
cluster_init();
return ops->cluster_tdb_tmp_open(ops, mem_ctx, dbname, flags);
}
/*
register a callback function for a messaging endpoint
*/
NTSTATUS cluster_message_init(struct messaging_context *msg, struct server_id server,
cluster_message_fn_t handler)
{
cluster_init();
return ops->message_init(ops, msg, server, handler);
}
/*
send a message to another node in the cluster
*/
NTSTATUS cluster_message_send(struct server_id server, uint32_t msg_type, DATA_BLOB *data)
{
cluster_init();
return ops->message_send(ops, server, msg_type, data);
}
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