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/*
Unix SMB/CIFS implementation.
local (dummy) clustering operations
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 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 "cluster/cluster.h"
#include "cluster/cluster_private.h"
#include "dbwrap/dbwrap.h"
#include "system/filesys.h"
#include "param/param.h"
#include "librpc/gen_ndr/server_id.h"
/*
server a server_id for the local node
*/
static struct server_id local_id(struct cluster_ops *ops, uint64_t pid, uint32_t task_id)
{
struct server_id server_id;
ZERO_STRUCT(server_id);
server_id.pid = pid;
server_id.task_id = task_id;
server_id.vnn = NONCLUSTER_VNN;
/* This is because we are not in the s3 serverid database */
server_id.unique_id = SERVERID_UNIQUE_ID_NOT_TO_VERIFY;
return server_id;
}
/*
open a tmp tdb for the local node. By using smbd_tmp_path() we don't need
TDB_CLEAR_IF_FIRST as the tmp path is wiped at startup
*/
static struct db_context *local_db_tmp_open(struct cluster_ops *ops,
TALLOC_CTX *mem_ctx,
struct loadparm_context *lp_ctx,
const char *dbbase, int flags)
{
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
char *path, *dbname;
struct db_context *db;
int hash_size, tdb_flags;
dbname = talloc_asprintf(mem_ctx, "%s.tdb", dbbase);
path = smbd_tmp_path(tmp_ctx, lp_ctx, dbname);
hash_size = lpcfg_tdb_hash_size(lp_ctx, path);
tdb_flags = lpcfg_tdb_flags(lp_ctx, flags);
db = dbwrap_local_open(
mem_ctx,
path,
hash_size,
tdb_flags,
O_RDWR|O_CREAT,
0600,
DBWRAP_LOCK_ORDER_NONE,
DBWRAP_FLAG_NONE);
talloc_free(tmp_ctx);
return db;
}
/*
dummy backend handle function
*/
static void *local_backend_handle(struct cluster_ops *ops)
{
return NULL;
}
/*
dummy message init function - not needed as all messages are local
*/
static NTSTATUS local_message_init(struct cluster_ops *ops,
struct imessaging_context *msg,
struct server_id server,
cluster_message_fn_t handler)
{
return NT_STATUS_OK;
}
/*
dummy message send
*/
static NTSTATUS local_message_send(struct cluster_ops *ops,
struct server_id server, DATA_BLOB *data)
{
return NT_STATUS_INVALID_DEVICE_REQUEST;
}
static struct cluster_ops cluster_local_ops = {
.cluster_id = local_id,
.cluster_db_tmp_open = local_db_tmp_open,
.backend_handle = local_backend_handle,
.message_init = local_message_init,
.message_send = local_message_send,
.private_data = NULL
};
void cluster_local_init(void)
{
cluster_set_ops(&cluster_local_ops);
}
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