1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
Unix SMB/CIFS implementation.
ctdb clustering hooks
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 "lib/events/events.h"
#include "cluster/cluster.h"
#include "system/filesys.h"
#include "cluster/cluster_private.h"
#include "lib/tdb/include/tdb.h"
#include "cluster/ctdb/include/ctdb.h"
struct cluster_state {
struct ctdb_context *ctdb;
};
/*
return a server_id for a ctdb node
*/
static struct server_id ctdb_id(struct cluster_ops *ops, uint32_t id)
{
struct ctdb_context *ctdb = ops->private;
struct server_id server_id;
server_id.node = ctdb_get_vnn(ctdb);
server_id.id = id;
return server_id;
}
/*
return a server_id as a string
*/
static const char *ctdb_id_string(struct cluster_ops *ops,
TALLOC_CTX *mem_ctx, struct server_id id)
{
return talloc_asprintf(mem_ctx, "%u.%u", id.node, id.id);
}
static struct cluster_ops cluster_ctdb_ops = {
.cluster_id = ctdb_id,
.cluster_id_string = ctdb_id_string,
.private = NULL
};
/* initialise ctdb */
void cluster_ctdb_init(struct event_context *ev)
{
const char *nlist;
const char *address;
const char *transport;
struct cluster_state *state;
int ret;
nlist = lp_parm_string(-1, "ctdb", "nlist");
if (nlist == NULL) return;
address = lp_parm_string(-1, "ctdb", "address");
if (address == NULL) return;
transport = lp_parm_string(-1, "ctdb", "transport");
if (transport == NULL) {
transport = "tcp";
}
state = talloc(ev, struct cluster_state);
if (state == NULL) goto failed;
state->ctdb = ctdb_init(ev);
if (state->ctdb == NULL) goto failed;
cluster_ctdb_ops.private = state->ctdb;
ret = ctdb_set_transport(state->ctdb, transport);
if (ret == -1) {
DEBUG(0,("ctdb_set_transport failed - %s\n",
ctdb_errstr(state->ctdb)));
goto failed;
}
// ctdb_set_flags(state->ctdb, CTDB_FLAG_SELF_CONNECT);
/* tell ctdb what address to listen on */
ret = ctdb_set_address(state->ctdb, address);
if (ret == -1) {
DEBUG(0,("ctdb_set_address failed - %s\n", ctdb_errstr(state->ctdb)));
goto failed;
}
/* tell ctdb what nodes are available */
ret = ctdb_set_nlist(state->ctdb, nlist);
if (ret == -1) {
DEBUG(0,("ctdb_set_nlist failed - %s\n", ctdb_errstr(state->ctdb)));
goto failed;
}
ret = ctdb_attach(state->ctdb, "cluster.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666);
if (ret == -1) {
DEBUG(0,("ctdb_attach failed - %s\n", ctdb_errstr(state->ctdb)));
goto failed;
}
/* start the protocol running */
ret = ctdb_start(state->ctdb);
if (ret == -1) {
DEBUG(0,("ctdb_start failed - %s\n", ctdb_errstr(state->ctdb)));
goto failed;
}
/* wait until all nodes are connected (should not be needed
outide of test code) */
ctdb_connect_wait(state->ctdb);
cluster_set_ops(&cluster_ctdb_ops);
return;
failed:
DEBUG(0,("cluster_ctdb_init failed\n"));
talloc_free(state);
}
|
