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ae183399 MD |
1 | /* |
2 | * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved. | |
3 | * | |
4 | * This code is derived from software contributed to The DragonFly Project | |
5 | * by Matthew Dillon <dillon@dragonflybsd.org> | |
6 | * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org> | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * 3. Neither the name of The DragonFly Project nor the names of its | |
19 | * contributors may be used to endorse or promote products derived | |
20 | * from this software without specific, prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
25 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
26 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
27 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
28 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
29 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
30 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
31 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
32 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
33 | * SUCH DAMAGE. | |
34 | */ | |
35 | ||
36 | #include "hammer2.h" | |
37 | ||
38 | int | |
b92bfd39 | 39 | cmd_pfs_list(int ac, const char **av) |
ae183399 MD |
40 | { |
41 | hammer2_ioc_pfs_t pfs; | |
42 | int ecode = 0; | |
43 | int count = 0; | |
44 | int fd; | |
b92bfd39 | 45 | int i; |
ae183399 MD |
46 | uint32_t status; |
47 | char *pfs_id_str = NULL; | |
48 | ||
b92bfd39 MD |
49 | for (i = 0; i < ac; ++i) { |
50 | if ((fd = hammer2_ioctl_handle(av[i])) < 0) | |
51 | return(1); | |
52 | bzero(&pfs, sizeof(pfs)); | |
ae183399 | 53 | |
b92bfd39 MD |
54 | while ((pfs.name_key = pfs.name_next) != (hammer2_key_t)-1) { |
55 | if (ioctl(fd, HAMMER2IOC_PFS_GET, &pfs) < 0) { | |
56 | perror("ioctl"); | |
57 | ecode = 1; | |
58 | break; | |
59 | } | |
60 | if (count == 0) { | |
61 | printf("Type " | |
62 | "ClusterId (pfs_clid) " | |
63 | "Label\n"); | |
64 | } | |
65 | switch(pfs.pfs_type) { | |
66 | case HAMMER2_PFSTYPE_NONE: | |
67 | printf("NONE "); | |
68 | break; | |
69 | case HAMMER2_PFSTYPE_CACHE: | |
70 | printf("CACHE "); | |
71 | break; | |
72 | case HAMMER2_PFSTYPE_SLAVE: | |
73 | printf("SLAVE "); | |
74 | break; | |
75 | case HAMMER2_PFSTYPE_SOFT_SLAVE: | |
76 | printf("SOFT_SLAVE "); | |
23c7c7dd | 77 | break; |
b92bfd39 MD |
78 | case HAMMER2_PFSTYPE_SOFT_MASTER: |
79 | printf("SOFT_MASTER "); | |
23c7c7dd | 80 | break; |
b92bfd39 MD |
81 | case HAMMER2_PFSTYPE_MASTER: |
82 | switch (pfs.pfs_subtype) { | |
83 | case HAMMER2_PFSSUBTYPE_NONE: | |
84 | printf("MASTER "); | |
85 | break; | |
86 | case HAMMER2_PFSSUBTYPE_SNAPSHOT: | |
87 | printf("SNAPSHOT "); | |
88 | break; | |
89 | case HAMMER2_PFSSUBTYPE_AUTOSNAP: | |
90 | printf("AUTOSNAP "); | |
91 | break; | |
92 | default: | |
93 | printf("MASTER(sub?)"); | |
94 | break; | |
95 | } | |
b93cc2e0 | 96 | break; |
23c7c7dd | 97 | default: |
b92bfd39 | 98 | printf("%02x ", pfs.pfs_type); |
23c7c7dd MD |
99 | break; |
100 | } | |
b92bfd39 MD |
101 | uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status); |
102 | printf("%s ", pfs_id_str); | |
103 | free(pfs_id_str); | |
104 | pfs_id_str = NULL; | |
105 | printf("%s\n", pfs.name); | |
106 | ++count; | |
ae183399 | 107 | } |
b92bfd39 | 108 | close(fd); |
ae183399 | 109 | } |
ae183399 MD |
110 | |
111 | return (ecode); | |
112 | } | |
113 | ||
964e3b01 MD |
114 | int |
115 | cmd_pfs_getid(const char *sel_path, const char *name, int privateid) | |
116 | { | |
117 | hammer2_ioc_pfs_t pfs; | |
118 | int ecode = 0; | |
119 | int fd; | |
120 | uint32_t status; | |
121 | char *pfs_id_str = NULL; | |
122 | ||
123 | if ((fd = hammer2_ioctl_handle(sel_path)) < 0) | |
124 | return(1); | |
125 | bzero(&pfs, sizeof(pfs)); | |
126 | ||
127 | snprintf(pfs.name, sizeof(pfs.name), "%s", name); | |
128 | if (ioctl(fd, HAMMER2IOC_PFS_LOOKUP, &pfs) < 0) { | |
129 | perror("ioctl"); | |
130 | ecode = 1; | |
131 | } else { | |
132 | if (privateid) | |
133 | uuid_to_string(&pfs.pfs_fsid, &pfs_id_str, &status); | |
134 | else | |
135 | uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status); | |
136 | printf("%s\n", pfs_id_str); | |
137 | free(pfs_id_str); | |
138 | pfs_id_str = NULL; | |
139 | } | |
140 | close(fd); | |
141 | return (ecode); | |
142 | } | |
143 | ||
144 | ||
ae183399 MD |
145 | int |
146 | cmd_pfs_create(const char *sel_path, const char *name, | |
147 | uint8_t pfs_type, const char *uuid_str) | |
148 | { | |
149 | hammer2_ioc_pfs_t pfs; | |
150 | int ecode = 0; | |
151 | int fd; | |
152 | uint32_t status; | |
153 | ||
004f88b4 | 154 | /* |
3c198419 MD |
155 | * Default to MASTER if no uuid was specified. |
156 | * Default to SLAVE if a uuid was specified. | |
157 | * | |
158 | * When adding masters to a cluster, the new PFS must be added as | |
159 | * a slave and then upgraded to ensure proper synchronization. | |
004f88b4 | 160 | */ |
7750fd72 | 161 | if (pfs_type == HAMMER2_PFSTYPE_NONE) { |
3c198419 MD |
162 | if (uuid_str) |
163 | pfs_type = HAMMER2_PFSTYPE_SLAVE; | |
164 | else | |
165 | pfs_type = HAMMER2_PFSTYPE_MASTER; | |
ae183399 MD |
166 | } |
167 | ||
168 | if ((fd = hammer2_ioctl_handle(sel_path)) < 0) | |
169 | return(1); | |
170 | bzero(&pfs, sizeof(pfs)); | |
171 | snprintf(pfs.name, sizeof(pfs.name), "%s", name); | |
172 | pfs.pfs_type = pfs_type; | |
173 | if (uuid_str) { | |
8c280d5d | 174 | uuid_from_string(uuid_str, &pfs.pfs_clid, &status); |
ae183399 | 175 | } else { |
8c280d5d | 176 | uuid_create(&pfs.pfs_clid, &status); |
ae183399 MD |
177 | } |
178 | if (status == uuid_s_ok) | |
179 | uuid_create(&pfs.pfs_fsid, &status); | |
180 | if (status == uuid_s_ok) { | |
181 | if (ioctl(fd, HAMMER2IOC_PFS_CREATE, &pfs) < 0) { | |
3c198419 MD |
182 | if (errno == EEXIST) { |
183 | fprintf(stderr, | |
184 | "NOTE: Typically the same name is " | |
185 | "used for cluster elements on " | |
186 | "different mounts,\n" | |
187 | " but cluster elements on the " | |
188 | "same mount require unique names.\n" | |
189 | "pfs-create %s: already present\n", | |
190 | name); | |
191 | } else { | |
192 | perror("ioctl"); | |
193 | } | |
ae183399 MD |
194 | ecode = 1; |
195 | } | |
196 | } else { | |
197 | fprintf(stderr, "hammer2: pfs_create: badly formed uuid\n"); | |
198 | ecode = 1; | |
199 | } | |
200 | close(fd); | |
201 | return (ecode); | |
202 | } | |
203 | ||
204 | int | |
205 | cmd_pfs_delete(const char *sel_path, const char *name) | |
206 | { | |
207 | hammer2_ioc_pfs_t pfs; | |
208 | int ecode = 0; | |
209 | int fd; | |
210 | ||
211 | if ((fd = hammer2_ioctl_handle(sel_path)) < 0) | |
212 | return(1); | |
213 | bzero(&pfs, sizeof(pfs)); | |
214 | snprintf(pfs.name, sizeof(pfs.name), "%s", name); | |
215 | ||
87b1094e | 216 | if (ioctl(fd, HAMMER2IOC_PFS_DELETE, &pfs) < 0) { |
ae183399 MD |
217 | fprintf(stderr, "hammer2: pfs_delete(%s): %s\n", |
218 | name, strerror(errno)); | |
219 | ecode = 1; | |
220 | } | |
221 | close(fd); | |
222 | ||
223 | return (ecode); | |
224 | } |