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 39 cmd_pfs_list(const char *sel_path) 40 { 41 hammer2_ioc_pfs_t pfs; 42 int ecode = 0; 43 int count = 0; 44 int fd; 45 uint32_t status; 46 char *pfs_id_str = NULL; 47 48 if ((fd = hammer2_ioctl_handle(sel_path)) < 0) 49 return(1); 50 bzero(&pfs, sizeof(pfs)); 51 52 while ((pfs.name_key = pfs.name_next) != (hammer2_key_t)-1) { 53 if (ioctl(fd, HAMMER2IOC_PFS_GET, &pfs) < 0) { 54 perror("ioctl"); 55 ecode = 1; 56 break; 57 } 58 if (count == 0) { 59 printf("Type " 60 "ClusterId (pfs_clid) " 61 "Label\n"); 62 } 63 switch(pfs.pfs_type) { 64 case HAMMER2_PFSTYPE_NONE: 65 printf("NONE "); 66 break; 67 case HAMMER2_PFSTYPE_CACHE: 68 printf("CACHE "); 69 break; 70 case HAMMER2_PFSTYPE_SLAVE: 71 printf("SLAVE "); 72 break; 73 case HAMMER2_PFSTYPE_SOFT_SLAVE: 74 printf("SOFT_SLAVE "); 75 break; 76 case HAMMER2_PFSTYPE_SOFT_MASTER: 77 printf("SOFT_MASTER "); 78 break; 79 case HAMMER2_PFSTYPE_MASTER: 80 switch (pfs.pfs_subtype) { 81 case HAMMER2_PFSSUBTYPE_NONE: 82 printf("MASTER "); 83 break; 84 case HAMMER2_PFSSUBTYPE_SNAPSHOT: 85 printf("SNAPSHOT "); 86 break; 87 case HAMMER2_PFSSUBTYPE_AUTOSNAP: 88 printf("AUTOSNAP "); 89 break; 90 default: 91 printf("MASTER(sub?)"); 92 break; 93 } 94 default: 95 printf("%02x ", pfs.pfs_type); 96 break; 97 } 98 uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status); 99 printf("%s ", pfs_id_str); 100 free(pfs_id_str); 101 pfs_id_str = NULL; 102 printf("%s\n", pfs.name); 103 ++count; 104 } 105 close(fd); 106 107 return (ecode); 108 } 109 110 int 111 cmd_pfs_getid(const char *sel_path, const char *name, int privateid) 112 { 113 hammer2_ioc_pfs_t pfs; 114 int ecode = 0; 115 int fd; 116 uint32_t status; 117 char *pfs_id_str = NULL; 118 119 if ((fd = hammer2_ioctl_handle(sel_path)) < 0) 120 return(1); 121 bzero(&pfs, sizeof(pfs)); 122 123 snprintf(pfs.name, sizeof(pfs.name), "%s", name); 124 if (ioctl(fd, HAMMER2IOC_PFS_LOOKUP, &pfs) < 0) { 125 perror("ioctl"); 126 ecode = 1; 127 } else { 128 if (privateid) 129 uuid_to_string(&pfs.pfs_fsid, &pfs_id_str, &status); 130 else 131 uuid_to_string(&pfs.pfs_clid, &pfs_id_str, &status); 132 printf("%s\n", pfs_id_str); 133 free(pfs_id_str); 134 pfs_id_str = NULL; 135 } 136 close(fd); 137 return (ecode); 138 } 139 140 141 int 142 cmd_pfs_create(const char *sel_path, const char *name, 143 uint8_t pfs_type, const char *uuid_str) 144 { 145 hammer2_ioc_pfs_t pfs; 146 int ecode = 0; 147 int fd; 148 uint32_t status; 149 150 /* 151 * Default to MASTER if no uuid was specified. 152 * Default to SLAVE if a uuid was specified. 153 * 154 * When adding masters to a cluster, the new PFS must be added as 155 * a slave and then upgraded to ensure proper synchronization. 156 */ 157 if (pfs_type == HAMMER2_PFSTYPE_NONE) { 158 if (uuid_str) 159 pfs_type = HAMMER2_PFSTYPE_SLAVE; 160 else 161 pfs_type = HAMMER2_PFSTYPE_MASTER; 162 } 163 164 if ((fd = hammer2_ioctl_handle(sel_path)) < 0) 165 return(1); 166 bzero(&pfs, sizeof(pfs)); 167 snprintf(pfs.name, sizeof(pfs.name), "%s", name); 168 pfs.pfs_type = pfs_type; 169 if (uuid_str) { 170 uuid_from_string(uuid_str, &pfs.pfs_clid, &status); 171 } else { 172 uuid_create(&pfs.pfs_clid, &status); 173 } 174 if (status == uuid_s_ok) 175 uuid_create(&pfs.pfs_fsid, &status); 176 if (status == uuid_s_ok) { 177 if (ioctl(fd, HAMMER2IOC_PFS_CREATE, &pfs) < 0) { 178 if (errno == EEXIST) { 179 fprintf(stderr, 180 "NOTE: Typically the same name is " 181 "used for cluster elements on " 182 "different mounts,\n" 183 " but cluster elements on the " 184 "same mount require unique names.\n" 185 "pfs-create %s: already present\n", 186 name); 187 } else { 188 perror("ioctl"); 189 } 190 ecode = 1; 191 } 192 } else { 193 fprintf(stderr, "hammer2: pfs_create: badly formed uuid\n"); 194 ecode = 1; 195 } 196 close(fd); 197 return (ecode); 198 } 199 200 int 201 cmd_pfs_delete(const char *sel_path, const char *name) 202 { 203 hammer2_ioc_pfs_t pfs; 204 int ecode = 0; 205 int fd; 206 207 if ((fd = hammer2_ioctl_handle(sel_path)) < 0) 208 return(1); 209 bzero(&pfs, sizeof(pfs)); 210 snprintf(pfs.name, sizeof(pfs.name), "%s", name); 211 212 if (ioctl(fd, HAMMER2IOC_PFS_DELETE, &pfs) < 0) { 213 fprintf(stderr, "hammer2: pfs_delete(%s): %s\n", 214 name, strerror(errno)); 215 ecode = 1; 216 } 217 close(fd); 218 219 return (ecode); 220 } 221