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DEFINITIONS
This source file includes following definitions.
- cluster_set_ops
- cluster_backend_handle
- cluster_init
- cluster_id
- cluster_id_string
- cluster_tdb_tmp_open
- cluster_message_init
- cluster_message_send
1 /*
2 Unix SMB/CIFS implementation.
3
4 core clustering code
5
6 Copyright (C) Andrew Tridgell 2006
7
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.
12
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.
17
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/>.
20 */
21
22 #include "includes.h"
23 #include "cluster/cluster.h"
24 #include "cluster/cluster_private.h"
25 #include "librpc/gen_ndr/misc.h"
26 #include "librpc/gen_ndr/server_id.h"
27
28 static struct cluster_ops *ops;
29
30 /* set cluster operations */
31 void cluster_set_ops(struct cluster_ops *new_ops)
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32 {
33 ops = new_ops;
34 }
35
36 /*
37 an ugly way of getting at the backend handle (eg. ctdb context) via the cluster API
38 */
39 void *cluster_backend_handle(void)
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40 {
41 return ops->backend_handle(ops);
42 }
43
44 /* by default use the local ops */
45 static void cluster_init(void)
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46 {
47 if (ops == NULL) cluster_local_init();
48 }
49
50 /*
51 create a server_id for the local node
52 */
53 struct server_id cluster_id(uint64_t id, uint32_t id2)
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54 {
55 cluster_init();
56 return ops->cluster_id(ops, id, id2);
57 }
58
59
60 /*
61 return a server_id as a string
62 */
63 const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id)
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64 {
65 cluster_init();
66 return ops->cluster_id_string(ops, mem_ctx, id);
67 }
68
69
70 /*
71 open a temporary tdb in a cluster friendly manner
72 */
73 struct tdb_wrap *cluster_tdb_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *dbname, int flags)
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74 {
75 cluster_init();
76 return ops->cluster_tdb_tmp_open(ops, mem_ctx, lp_ctx, dbname, flags);
77 }
78
79
80 /*
81 register a callback function for a messaging endpoint
82 */
83 NTSTATUS cluster_message_init(struct messaging_context *msg, struct server_id server,
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84 cluster_message_fn_t handler)
85 {
86 cluster_init();
87 return ops->message_init(ops, msg, server, handler);
88 }
89
90 /*
91 send a message to another node in the cluster
92 */
93 NTSTATUS cluster_message_send(struct server_id server, DATA_BLOB *data)
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94 {
95 cluster_init();
96 return ops->message_send(ops, server, data);
97 }