s3:param: factor lp_enforce_ad_dc_settings() out of lp_load_ex()
[Samba.git] / source4 / cluster / local.c
blob5ef58c91bf6e80b1ab91e6e0764c72638f66b7ba
1 /*
2 Unix SMB/CIFS implementation.
4 local (dummy) clustering operations
6 Copyright (C) Andrew Tridgell 2006
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "includes.h"
23 #include "cluster/cluster.h"
24 #include "cluster/cluster_private.h"
25 #include "dbwrap/dbwrap.h"
26 #include "system/filesys.h"
27 #include "param/param.h"
28 #include "librpc/gen_ndr/server_id.h"
31 server a server_id for the local node
33 static struct server_id local_id(struct cluster_ops *ops, uint64_t pid, uint32_t task_id)
35 struct server_id server_id;
36 ZERO_STRUCT(server_id);
37 server_id.pid = pid;
38 server_id.task_id = task_id;
39 server_id.vnn = NONCLUSTER_VNN;
40 /* This is because we are not in the s3 serverid database */
41 server_id.unique_id = SERVERID_UNIQUE_ID_NOT_TO_VERIFY;
42 return server_id;
47 open a tmp tdb for the local node. By using smbd_tmp_path() we don't need
48 TDB_CLEAR_IF_FIRST as the tmp path is wiped at startup
50 static struct db_context *local_db_tmp_open(struct cluster_ops *ops,
51 TALLOC_CTX *mem_ctx,
52 struct loadparm_context *lp_ctx,
53 const char *dbbase, int flags)
55 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
56 char *path, *dbname;
57 struct db_context *db;
59 dbname = talloc_asprintf(mem_ctx, "%s.tdb", dbbase);
61 path = smbd_tmp_path(tmp_ctx, lp_ctx, dbname);
62 db = dbwrap_local_open(mem_ctx, lp_ctx, path, 0, flags, O_RDWR|O_CREAT,
63 0600, DBWRAP_LOCK_ORDER_NONE, DBWRAP_FLAG_NONE);
64 talloc_free(tmp_ctx);
65 return db;
69 dummy backend handle function
71 static void *local_backend_handle(struct cluster_ops *ops)
73 return NULL;
77 dummy message init function - not needed as all messages are local
79 static NTSTATUS local_message_init(struct cluster_ops *ops,
80 struct imessaging_context *msg,
81 struct server_id server,
82 cluster_message_fn_t handler)
84 return NT_STATUS_OK;
88 dummy message send
90 static NTSTATUS local_message_send(struct cluster_ops *ops,
91 struct server_id server, DATA_BLOB *data)
93 return NT_STATUS_INVALID_DEVICE_REQUEST;
96 static struct cluster_ops cluster_local_ops = {
97 .cluster_id = local_id,
98 .cluster_db_tmp_open = local_db_tmp_open,
99 .backend_handle = local_backend_handle,
100 .message_init = local_message_init,
101 .message_send = local_message_send,
102 .private_data = NULL
105 void cluster_local_init(void)
107 cluster_set_ops(&cluster_local_ops);