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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
*
* (C) Copyright IBM Corp. 2001, 2003
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Module: libcsm.so
*
* File: csm_plugin.c
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <uuid/uuid.h>
#include <plugin.h>
#include <csm_funcs.h>
#include "csm_plugin.h"
/*-------------------------------------------------------------------------------------+
+ +
+ PRIVATE DATA AREAS AND SUBROUTINES +
+ +
+-------------------------------------------------------------------------------------*/
static plugin_record_t csm_plugin_record;
plugin_record_t *csm_plugin_record_ptr = &csm_plugin_record;
struct engine_functions_s *EngFncs=NULL;
ece_nodeid_t csm_nodeid;
ece_clusterid_t csm_clusterid;
boolean csm_has_quorum;
boolean csm_admin_mode;
/*-------------------------------------------------------------------------------------+
+ +
+ Plugin Setup and Cleanup Functions +
+ +
+--------------------------------------------------------------------------------------*/
static int csm_setup( engine_functions_t * engine_functions )
{
int rc = 0;
EngFncs = engine_functions;
LOG_ENTRY();
memset(&csm_nodeid, 0, sizeof(ece_nodeid_t));
memset(&csm_clusterid, 0, sizeof(ece_clusterid_t));
csm_has_quorum = FALSE;
rc = EngFncs->get_config_bool("csm.admin_mode",&csm_admin_mode);
if (rc) {
LOG_DEBUG("bad rc back from get_config_bool\n");
csm_admin_mode = FALSE;
}
else {
LOG_DEBUG("good rc back from get config_bool\n");
}
if (csm_admin_mode == TRUE)
LOG_DEBUG("running with admin mode ON\n");
else
LOG_DEBUG("running with admin mode OFF\n");
rc = EngFncs->register_name( "csm" );
LOG_EXIT_INT(rc);
return rc;
}
static void csm_cleanup(void)
{
LOG_ENTRY();
delete_all_csm_segment_private_data();
delete_all_csm_container_private_data();
delete_all_csm_disk_private_data();
LOG_EXIT_VOID();
}
/*-------------------------------------------------------------------------------------+
+ +
+ PLUGIN FUNCTION TABLE +
+ +
+--------------------------------------------------------------------------------------*/
static struct plugin_functions_s csm_plugin_functions = {
setup_evms_plugin: csm_setup,
cleanup_evms_plugin: csm_cleanup,
can_set_volume: csm_can_set_volume,
can_delete: csm_can_delete,
can_expand: csm_can_expand,
can_expand_by: csm_can_expand_by,
can_shrink: csm_can_shrink,
can_shrink_by: csm_can_shrink_by,
discover: csm_discover,
assign: csm_assign,
can_unassign: csm_can_unassign,
unassign: csm_unassign,
create: csm_create,
discard: csm_discard,
delete: csm_destroy,
expand: csm_expand,
shrink: csm_shrink,
add_sectors_to_kill_list: csm_add_sectors_to_kill_list,
commit_changes: csm_commit_changes,
read: csm_read,
write: csm_write,
set_volume: csm_set_volume,
get_option_count: csm_get_option_count,
init_task: csm_init_task,
set_option: csm_set_option,
set_objects: csm_set_objects,
get_info: csm_get_info,
get_plugin_info: csm_get_plugin_info,
can_activate: csm_can_activate,
activate: csm_activate,
can_deactivate: csm_can_deactivate,
deactivate: csm_deactivate,
backup_metadata: csm_backup_metadata,
};
/*-------------------------------------------------------------------------------------+
+ +
+ CONTAINER FUNCTION TABLE +
+ +
+--------------------------------------------------------------------------------------*/
static container_functions_t csm_container_functions = {
can_delete_container: csm_can_delete_container,
can_expand_container: csm_can_expand_container,
can_expand_container_by: csm_can_expand_container_by,
can_shrink_container: csm_can_shrink_container,
can_shrink_container_by: csm_can_shrink_container_by,
create_container: csm_create_container,
expand_container: csm_expand_container,
shrink_container: csm_shrink_container,
discard_container: csm_discard_container,
delete_container: csm_delete_container,
commit_container_changes: csm_commit_container_changes,
get_container_info: csm_get_container_info,
set_container_info: csm_set_container_info,
get_plugin_functions: csm_get_plugin_functions,
plugin_function: csm_plugin_function,
backup_container_metadata: csm_backup_container_metadata,
};
/*-------------------------------------------------------------------------------------+
+ +
+ BUILD AND EXPORT AN EVMS PLUGIN RECORD +
+ +
+--------------------------------------------------------------------------------------*/
static plugin_record_t csm_plugin_record = {
id: CSM_PLUGIN_ID,
version: {MAJOR_VERSION, MINOR_VERSION, PATCH_LEVEL},
required_engine_api_version: {15,0,0},
required_plugin_api_version: {plugin: {13,1,0}},
required_container_api_version: {10,1,0},
short_name: "CSM",
long_name: "Cluster Segment Manager",
oem_name: "IBM",
functions: {plugin: &csm_plugin_functions},
container_functions: &csm_container_functions
};
// Vector of plugin record ptrs that we export for the EVMS Engine.
plugin_record_t *evms_plugin_records[] = {
&csm_plugin_record,
NULL
};
|
