Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | FUSE: Filesystem in Userspace |
| 3 | Copyright (C) 2001 Miklos Szeredi (mszeredi@inf.bme.hu) |
| 4 | |
| 5 | This program can be distributed under the terms of the GNU GPL. |
| 6 | See the file COPYING. |
| 7 | */ |
| 8 | |
| 9 | #include "fuse_i.h" |
| 10 | #include <linux/fuse.h> |
| 11 | |
| 12 | #include <string.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 13 | #include <stdlib.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 14 | #include <unistd.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 15 | #include <limits.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 16 | #include <errno.h> |
| 17 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 18 | #define FUSE_MAX_PATH 4096 |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 19 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 20 | static struct node *__get_node(struct fuse *f, fino_t ino) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 21 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 22 | size_t hash = ino % f->ino_table_size; |
| 23 | struct node *node; |
| 24 | |
| 25 | for(node = f->ino_table[hash]; node != NULL; node = node->ino_next) |
| 26 | if(node->ino == ino) |
| 27 | return node; |
| 28 | |
| 29 | return NULL; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 30 | } |
| 31 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 32 | static struct node *get_node(struct fuse *f, fino_t ino) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 33 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 34 | struct node *node = __get_node(f, ino); |
| 35 | if(node != NULL) |
| 36 | return node; |
| 37 | |
| 38 | fprintf(stderr, "fuse internal error: inode %lu not found\n", ino); |
| 39 | abort(); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 40 | } |
| 41 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 42 | static void hash_ino(struct fuse *f, struct node *node, fino_t ino) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 43 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 44 | size_t hash = ino % f->ino_table_size; |
| 45 | node->ino = ino; |
| 46 | |
| 47 | node->ino_next = f->ino_table[hash]; |
| 48 | f->ino_table[hash] = node; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 49 | } |
| 50 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 51 | static void unhash_ino(struct fuse *f, struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 52 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 53 | size_t hash = node->ino % f->ino_table_size; |
| 54 | struct node **nodep = &f->ino_table[hash]; |
| 55 | |
| 56 | for(; *nodep != NULL; nodep = &(*nodep)->ino_next) |
| 57 | if(*nodep == node) { |
| 58 | *nodep = node->ino_next; |
| 59 | return; |
| 60 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 61 | } |
| 62 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 63 | static fino_t get_ino(struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 64 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 65 | return node->ino; |
| 66 | } |
| 67 | |
| 68 | static fino_t next_ino(struct fuse *f) |
| 69 | { |
| 70 | while(f->ctr == 0 || __get_node(f, f->ctr) != NULL) |
| 71 | f->ctr++; |
| 72 | |
| 73 | return f->ctr; |
| 74 | } |
| 75 | |
| 76 | static void free_node(struct node *node) |
| 77 | { |
| 78 | free(node->name); |
| 79 | free(node); |
| 80 | } |
| 81 | |
| 82 | static unsigned int name_hash(struct fuse *f, fino_t parent, const char *name) |
| 83 | { |
| 84 | unsigned int hash = *name; |
| 85 | |
| 86 | if(hash) |
| 87 | for(name += 1; *name != '\0'; name++) |
| 88 | hash = (hash << 5) - hash + *name; |
| 89 | |
| 90 | return (hash + parent) % f->name_table_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 91 | } |
| 92 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 93 | static struct node *lookup_node(struct fuse *f, fino_t parent, |
| 94 | const char *name) |
| 95 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 96 | size_t hash = name_hash(f, parent, name); |
| 97 | struct node *node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 98 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 99 | for(node = f->name_table[hash]; node != NULL; node = node->name_next) |
| 100 | if(node->parent == parent && strcmp(node->name, name) == 0) |
| 101 | return node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 102 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 103 | return NULL; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 104 | } |
| 105 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 106 | static void hash_name(struct fuse *f, struct node *node, fino_t parent, |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 107 | const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 108 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 109 | size_t hash = name_hash(f, parent, name); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 110 | node->parent = parent; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 111 | node->name = strdup(name); |
| 112 | node->name_next = f->name_table[hash]; |
| 113 | f->name_table[hash] = node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 114 | } |
| 115 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 116 | static void unhash_name(struct fuse *f, struct node *node) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 117 | { |
| 118 | if(node->name != NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 119 | size_t hash = name_hash(f, node->parent, node->name); |
| 120 | struct node **nodep = &f->name_table[hash]; |
| 121 | |
| 122 | for(; *nodep != NULL; nodep = &(*nodep)->name_next) |
| 123 | if(*nodep == node) { |
| 124 | *nodep = node->name_next; |
| 125 | node->name_next = NULL; |
| 126 | free(node->name); |
| 127 | node->name = NULL; |
| 128 | node->parent = 0; |
| 129 | return; |
| 130 | } |
| 131 | fprintf(stderr, "fuse internal error: unable to unhash node: %lu\n", |
| 132 | node->ino); |
| 133 | abort(); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 134 | } |
| 135 | } |
| 136 | |
| 137 | static fino_t find_node(struct fuse *f, fino_t parent, char *name, |
| 138 | struct fuse_attr *attr, int version) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 139 | { |
| 140 | struct node *node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 141 | int mode = attr->mode & S_IFMT; |
| 142 | int rdev = 0; |
| 143 | |
| 144 | if(S_ISCHR(mode) || S_ISBLK(mode)) |
| 145 | rdev = attr->rdev; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 146 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 147 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 148 | node = lookup_node(f, parent, name); |
| 149 | if(node != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 150 | if(node->mode == mode && node->rdev == rdev) |
| 151 | goto out; |
| 152 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 153 | unhash_name(f, node); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 154 | } |
| 155 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 156 | node = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 157 | node->mode = mode; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 158 | node->rdev = rdev; |
| 159 | hash_ino(f, node, next_ino(f)); |
| 160 | hash_name(f, node, parent, name); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 161 | |
| 162 | out: |
| 163 | node->version = version; |
| 164 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 165 | return get_ino(node); |
| 166 | } |
| 167 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 168 | static char *add_name(char *buf, char *s, const char *name) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 169 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 170 | size_t len = strlen(name); |
| 171 | s -= len; |
| 172 | if(s <= buf) { |
| 173 | fprintf(stderr, "fuse: path too long: ...%s\n", s + len); |
| 174 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 175 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 176 | strncpy(s, name, len); |
| 177 | s--; |
| 178 | *s = '/'; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 179 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 180 | return s; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 181 | } |
| 182 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 183 | static char *get_path_name(struct fuse *f, fino_t ino, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 184 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 185 | char buf[FUSE_MAX_PATH]; |
| 186 | char *s = buf + FUSE_MAX_PATH - 1; |
| 187 | struct node *node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 188 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 189 | *s = '\0'; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 190 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 191 | if(name != NULL) { |
| 192 | s = add_name(buf, s, name); |
| 193 | if(s == NULL) |
| 194 | return NULL; |
| 195 | } |
| 196 | |
| 197 | pthread_mutex_lock(&f->lock); |
| 198 | for(node = get_node(f, ino); node->ino != FUSE_ROOT_INO; |
| 199 | node = get_node(f, node->parent)) { |
| 200 | if(node->name == NULL) { |
| 201 | s = NULL; |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | s = add_name(buf, s, node->name); |
| 206 | if(s == NULL) |
| 207 | break; |
| 208 | } |
| 209 | pthread_mutex_unlock(&f->lock); |
| 210 | |
| 211 | if(s == NULL) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 212 | return NULL; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 213 | else if(*s == '\0') |
| 214 | return strdup("/"); |
| 215 | else |
| 216 | return strdup(s); |
| 217 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 218 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 219 | static char *get_path(struct fuse *f, fino_t ino) |
| 220 | { |
| 221 | return get_path_name(f, ino, NULL); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 222 | } |
| 223 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 224 | static void destroy_node(struct fuse *f, fino_t ino, int version) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 225 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 226 | struct node *node; |
| 227 | |
| 228 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 229 | node = get_node(f, ino); |
Miklos Szeredi | 39f2867 | 2001-11-14 14:52:54 +0000 | [diff] [blame] | 230 | if(node->version == version && ino != FUSE_ROOT_INO) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 231 | unhash_name(f, node); |
| 232 | unhash_ino(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 233 | free_node(node); |
| 234 | } |
| 235 | pthread_mutex_unlock(&f->lock); |
| 236 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 237 | } |
| 238 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 239 | static void remove_node(struct fuse *f, fino_t dir, const char *name) |
| 240 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 241 | struct node *node; |
| 242 | |
| 243 | pthread_mutex_lock(&f->lock); |
| 244 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 245 | if(node == NULL) { |
| 246 | fprintf(stderr, "fuse internal error: unable to remove node %lu/%s\n", |
| 247 | dir, name); |
| 248 | abort(); |
| 249 | } |
| 250 | unhash_name(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 251 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 252 | } |
| 253 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 254 | static void rename_node(struct fuse *f, fino_t olddir, const char *oldname, |
| 255 | fino_t newdir, const char *newname) |
| 256 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 257 | struct node *node; |
| 258 | struct node *newnode; |
| 259 | |
| 260 | pthread_mutex_lock(&f->lock); |
| 261 | node = lookup_node(f, olddir, oldname); |
| 262 | newnode = lookup_node(f, newdir, newname); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 263 | if(node == NULL) { |
| 264 | fprintf(stderr, "fuse internal error: unable to rename node %lu/%s\n", |
| 265 | olddir, oldname); |
| 266 | abort(); |
| 267 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 268 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 269 | if(newnode != NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 270 | unhash_name(f, newnode); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 271 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 272 | unhash_name(f, node); |
| 273 | hash_name(f, node, newdir, newname); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 274 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 278 | static void convert_stat(struct stat *stbuf, struct fuse_attr *attr) |
| 279 | { |
| 280 | attr->mode = stbuf->st_mode; |
| 281 | attr->nlink = stbuf->st_nlink; |
| 282 | attr->uid = stbuf->st_uid; |
| 283 | attr->gid = stbuf->st_gid; |
| 284 | attr->rdev = stbuf->st_rdev; |
| 285 | attr->size = stbuf->st_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 286 | attr->blocks = stbuf->st_blocks; |
| 287 | attr->atime = stbuf->st_atime; |
| 288 | attr->mtime = stbuf->st_mtime; |
| 289 | attr->ctime = stbuf->st_ctime; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 290 | attr->_dummy = 4096; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 291 | } |
| 292 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 293 | static int fill_dir(struct fuse_dirhandle *dh, char *name, int type) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 294 | { |
| 295 | struct fuse_dirent dirent; |
| 296 | size_t reclen; |
| 297 | size_t res; |
| 298 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 299 | dirent.ino = (unsigned long) -1; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 300 | dirent.namelen = strlen(name); |
| 301 | strncpy(dirent.name, name, sizeof(dirent.name)); |
| 302 | dirent.type = type; |
| 303 | reclen = FUSE_DIRENT_SIZE(&dirent); |
| 304 | res = fwrite(&dirent, reclen, 1, dh->fp); |
| 305 | if(res == 0) { |
| 306 | perror("writing directory file"); |
| 307 | return -EIO; |
| 308 | } |
| 309 | return 0; |
| 310 | } |
| 311 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 312 | static void send_reply_raw(struct fuse *f, char *outbuf, size_t outsize) |
| 313 | { |
| 314 | int res; |
| 315 | |
| 316 | if((f->flags & FUSE_DEBUG)) { |
| 317 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 318 | printf(" unique: %i, error: %i (%s), outsize: %i\n", out->unique, |
| 319 | out->error, strerror(-out->error), outsize); |
| 320 | fflush(stdout); |
| 321 | } |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame^] | 322 | |
| 323 | pthread_mutex_lock(&f->lock); |
| 324 | f->numavail ++; |
| 325 | pthread_mutex_unlock(&f->lock); |
| 326 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 327 | res = write(f->fd, outbuf, outsize); |
| 328 | if(res == -1) { |
| 329 | /* ENOENT means the operation was interrupted */ |
| 330 | if(errno != ENOENT) |
| 331 | perror("writing fuse device"); |
| 332 | } |
| 333 | } |
| 334 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 335 | static void send_reply(struct fuse *f, struct fuse_in_header *in, int error, |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 336 | void *arg, size_t argsize) |
| 337 | { |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 338 | char *outbuf; |
| 339 | size_t outsize; |
| 340 | struct fuse_out_header *out; |
| 341 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 342 | if(error > 0) { |
| 343 | fprintf(stderr, "positive error code: %i\n", error); |
| 344 | error = -ERANGE; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 345 | } |
| 346 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 347 | if(error) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 348 | argsize = 0; |
| 349 | |
| 350 | outsize = sizeof(struct fuse_out_header) + argsize; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 351 | outbuf = (char *) malloc(outsize); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 352 | out = (struct fuse_out_header *) outbuf; |
| 353 | out->unique = in->unique; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 354 | out->error = error; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 355 | if(argsize != 0) |
| 356 | memcpy(outbuf + sizeof(struct fuse_out_header), arg, argsize); |
| 357 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 358 | send_reply_raw(f, outbuf, outsize); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 359 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 360 | free(outbuf); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | static void do_lookup(struct fuse *f, struct fuse_in_header *in, char *name) |
| 364 | { |
| 365 | int res; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 366 | char *path; |
| 367 | struct stat buf; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 368 | struct fuse_lookup_out arg; |
| 369 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 370 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 371 | path = get_path_name(f, in->ino, name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 372 | if(path != NULL) { |
| 373 | res = -ENOSYS; |
| 374 | if(f->op.getattr) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 375 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 376 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 377 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 378 | if(res == 0) { |
| 379 | convert_stat(&buf, &arg.attr); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 380 | arg.ino = find_node(f, in->ino, name, &arg.attr, in->unique); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 381 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 382 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 383 | } |
| 384 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 385 | static void do_forget(struct fuse *f, struct fuse_in_header *in, |
| 386 | struct fuse_forget_in *arg) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 387 | { |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 388 | if(f->flags & FUSE_DEBUG) { |
| 389 | printf("FORGET %li/%i\n", in->ino, arg->version); |
| 390 | fflush(stdout); |
| 391 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 392 | destroy_node(f, in->ino, arg->version); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | static void do_getattr(struct fuse *f, struct fuse_in_header *in) |
| 396 | { |
| 397 | int res; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 398 | char *path; |
| 399 | struct stat buf; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 400 | struct fuse_getattr_out arg; |
| 401 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 402 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 403 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 404 | if(path != NULL) { |
| 405 | res = -ENOSYS; |
| 406 | if(f->op.getattr) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 407 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 408 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 409 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 410 | if(res == 0) |
| 411 | convert_stat(&buf, &arg.attr); |
| 412 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 413 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 414 | } |
| 415 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 416 | static int do_chmod(struct fuse *f, const char *path, struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 417 | { |
| 418 | int res; |
| 419 | |
| 420 | res = -ENOSYS; |
| 421 | if(f->op.chmod) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 422 | res = f->op.chmod(path, attr->mode); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 423 | |
| 424 | return res; |
| 425 | } |
| 426 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 427 | static int do_chown(struct fuse *f, const char *path, struct fuse_attr *attr, |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 428 | int valid) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 429 | { |
| 430 | int res; |
| 431 | uid_t uid = (valid & FATTR_UID) ? attr->uid : (uid_t) -1; |
| 432 | gid_t gid = (valid & FATTR_GID) ? attr->gid : (gid_t) -1; |
| 433 | |
| 434 | res = -ENOSYS; |
| 435 | if(f->op.chown) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 436 | res = f->op.chown(path, uid, gid); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 437 | |
| 438 | return res; |
| 439 | } |
| 440 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 441 | static int do_truncate(struct fuse *f, const char *path, |
| 442 | struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 443 | { |
| 444 | int res; |
| 445 | |
| 446 | res = -ENOSYS; |
| 447 | if(f->op.truncate) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 448 | res = f->op.truncate(path, attr->size); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 449 | |
| 450 | return res; |
| 451 | } |
| 452 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 453 | static int do_utime(struct fuse *f, const char *path, struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 454 | { |
| 455 | int res; |
| 456 | struct utimbuf buf; |
| 457 | buf.actime = attr->atime; |
| 458 | buf.modtime = attr->mtime; |
| 459 | res = -ENOSYS; |
| 460 | if(f->op.utime) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 461 | res = f->op.utime(path, &buf); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 462 | |
| 463 | return res; |
| 464 | } |
| 465 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 466 | static void do_setattr(struct fuse *f, struct fuse_in_header *in, |
| 467 | struct fuse_setattr_in *arg) |
| 468 | { |
| 469 | int res; |
| 470 | char *path; |
| 471 | int valid = arg->valid; |
| 472 | struct fuse_attr *attr = &arg->attr; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 473 | struct fuse_setattr_out outarg; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 474 | |
| 475 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 476 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 477 | if(path != NULL) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 478 | res = -ENOSYS; |
| 479 | if(f->op.getattr) { |
| 480 | res = 0; |
| 481 | if(!res && (valid & FATTR_MODE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 482 | res = do_chmod(f, path, attr); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 483 | if(!res && (valid & (FATTR_UID | FATTR_GID))) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 484 | res = do_chown(f, path, attr, valid); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 485 | if(!res && (valid & FATTR_SIZE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 486 | res = do_truncate(f, path, attr); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 487 | if(!res && (valid & FATTR_UTIME)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 488 | res = do_utime(f, path, attr); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 489 | if(!res) { |
| 490 | struct stat buf; |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 491 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 492 | if(!res) |
| 493 | convert_stat(&buf, &outarg.attr); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 494 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 495 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 496 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 497 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 498 | send_reply(f, in, res, &outarg, sizeof(outarg)); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 499 | } |
| 500 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 501 | static void do_readlink(struct fuse *f, struct fuse_in_header *in) |
| 502 | { |
| 503 | int res; |
| 504 | char link[PATH_MAX + 1]; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 505 | char *path; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 506 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 507 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 508 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 509 | if(path != NULL) { |
| 510 | res = -ENOSYS; |
| 511 | if(f->op.readlink) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 512 | res = f->op.readlink(path, link, sizeof(link)); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 513 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 514 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 515 | link[PATH_MAX] = '\0'; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 516 | send_reply(f, in, res, link, !res ? strlen(link) : 0); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 517 | } |
| 518 | |
| 519 | static void do_getdir(struct fuse *f, struct fuse_in_header *in) |
| 520 | { |
| 521 | int res; |
| 522 | struct fuse_getdir_out arg; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 523 | struct fuse_dirhandle dh; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 524 | char *path; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 525 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 526 | dh.fuse = f; |
| 527 | dh.fp = tmpfile(); |
| 528 | dh.dir = in->ino; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 529 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 530 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 531 | if(path != NULL) { |
| 532 | res = -ENOSYS; |
| 533 | if(f->op.getdir) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 534 | res = f->op.getdir(path, &dh, (fuse_dirfil_t) fill_dir); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 535 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 536 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 537 | fflush(dh.fp); |
| 538 | arg.fd = fileno(dh.fp); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 539 | send_reply(f, in, res, &arg, sizeof(arg)); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 540 | fclose(dh.fp); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 541 | } |
| 542 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 543 | static void do_mknod(struct fuse *f, struct fuse_in_header *in, |
| 544 | struct fuse_mknod_in *inarg) |
| 545 | { |
| 546 | int res; |
| 547 | char *path; |
| 548 | struct fuse_mknod_out outarg; |
| 549 | struct stat buf; |
| 550 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 551 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 552 | path = get_path_name(f, in->ino, inarg->name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 553 | if(path != NULL) { |
| 554 | res = -ENOSYS; |
| 555 | if(f->op.mknod && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 556 | res = f->op.mknod(path, inarg->mode, inarg->rdev); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 557 | if(res == 0) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 558 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 559 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 560 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 561 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 562 | if(res == 0) { |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 563 | convert_stat(&buf, &outarg.attr); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 564 | outarg.ino = find_node(f, in->ino, inarg->name, &outarg.attr, |
| 565 | in->unique); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 566 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 567 | |
| 568 | send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 569 | } |
| 570 | |
| 571 | static void do_mkdir(struct fuse *f, struct fuse_in_header *in, |
| 572 | struct fuse_mkdir_in *inarg) |
| 573 | { |
| 574 | int res; |
| 575 | char *path; |
| 576 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 577 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 578 | path = get_path_name(f, in->ino, inarg->name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 579 | if(path != NULL) { |
| 580 | res = -ENOSYS; |
| 581 | if(f->op.mkdir) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 582 | res = f->op.mkdir(path, inarg->mode); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 583 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 584 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 585 | send_reply(f, in, res, NULL, 0); |
| 586 | } |
| 587 | |
| 588 | static void do_remove(struct fuse *f, struct fuse_in_header *in, char *name) |
| 589 | { |
| 590 | int res; |
| 591 | char *path; |
| 592 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 593 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 594 | path = get_path_name(f, in->ino, name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 595 | if(path != NULL) { |
| 596 | res = -ENOSYS; |
| 597 | if(in->opcode == FUSE_UNLINK) { |
| 598 | if(f->op.unlink) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 599 | res = f->op.unlink(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 600 | } |
| 601 | else { |
| 602 | if(f->op.rmdir) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 603 | res = f->op.rmdir(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 604 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 605 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 606 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 607 | if(res == 0) |
| 608 | remove_node(f, in->ino, name); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 609 | send_reply(f, in, res, NULL, 0); |
| 610 | } |
| 611 | |
| 612 | static void do_symlink(struct fuse *f, struct fuse_in_header *in, char *name, |
| 613 | char *link) |
| 614 | { |
| 615 | int res; |
| 616 | char *path; |
| 617 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 618 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 619 | path = get_path_name(f, in->ino, name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 620 | if(path != NULL) { |
| 621 | res = -ENOSYS; |
| 622 | if(f->op.symlink) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 623 | res = f->op.symlink(link, path); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 624 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 625 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 626 | send_reply(f, in, res, NULL, 0); |
| 627 | } |
| 628 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 629 | static void do_rename(struct fuse *f, struct fuse_in_header *in, |
| 630 | struct fuse_rename_in *inarg) |
| 631 | { |
| 632 | int res; |
| 633 | fino_t olddir = in->ino; |
| 634 | fino_t newdir = inarg->newdir; |
| 635 | char *oldname = inarg->names; |
| 636 | char *newname = inarg->names + strlen(oldname) + 1; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 637 | char *oldpath; |
| 638 | char *newpath; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 639 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 640 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 641 | oldpath = get_path_name(f, olddir, oldname); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 642 | if(oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 643 | newpath = get_path_name(f, newdir, newname); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 644 | if(newpath != NULL) { |
| 645 | res = -ENOSYS; |
| 646 | if(f->op.rename) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 647 | res = f->op.rename(oldpath, newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 648 | if(res == 0) |
| 649 | rename_node(f, olddir, oldname, newdir, newname); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 650 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 651 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 652 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 653 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 654 | send_reply(f, in, res, NULL, 0); |
| 655 | } |
| 656 | |
| 657 | static void do_link(struct fuse *f, struct fuse_in_header *in, |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 658 | struct fuse_link_in *arg) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 659 | { |
| 660 | int res; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 661 | char *oldpath; |
| 662 | char *newpath; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 663 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 664 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 665 | oldpath = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 666 | if(oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 667 | newpath = get_path_name(f, arg->newdir, arg->name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 668 | if(newpath != NULL) { |
| 669 | res = -ENOSYS; |
| 670 | if(f->op.link) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 671 | res = f->op.link(oldpath, newpath); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 672 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 673 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 674 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 675 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 676 | send_reply(f, in, res, NULL, 0); |
| 677 | } |
| 678 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 679 | static void do_open(struct fuse *f, struct fuse_in_header *in, |
| 680 | struct fuse_open_in *arg) |
| 681 | { |
| 682 | int res; |
| 683 | char *path; |
| 684 | |
| 685 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 686 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 687 | if(path != NULL) { |
| 688 | res = -ENOSYS; |
| 689 | if(f->op.open) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 690 | res = f->op.open(path, arg->flags); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 691 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 692 | } |
| 693 | send_reply(f, in, res, NULL, 0); |
| 694 | } |
| 695 | |
| 696 | static void do_read(struct fuse *f, struct fuse_in_header *in, |
| 697 | struct fuse_read_in *arg) |
| 698 | { |
| 699 | int res; |
| 700 | char *path; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 701 | char *outbuf = (char *) malloc(sizeof(struct fuse_out_header) + arg->size); |
| 702 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 703 | char *buf = outbuf + sizeof(struct fuse_out_header); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 704 | size_t size; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 705 | size_t outsize; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 706 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 707 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 708 | path = get_path(f, in->ino); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 709 | if(path != NULL) { |
| 710 | res = -ENOSYS; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 711 | if(f->op.read) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 712 | res = f->op.read(path, buf, arg->size, arg->offset); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 713 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | size = 0; |
| 717 | if(res > 0) { |
| 718 | size = res; |
| 719 | res = 0; |
| 720 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 721 | out->unique = in->unique; |
| 722 | out->error = res; |
| 723 | outsize = sizeof(struct fuse_out_header) + size; |
| 724 | |
| 725 | send_reply_raw(f, outbuf, outsize); |
| 726 | free(outbuf); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 727 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 728 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 729 | static void do_write(struct fuse *f, struct fuse_in_header *in, |
| 730 | struct fuse_write_in *arg) |
| 731 | { |
| 732 | int res; |
| 733 | char *path; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 734 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 735 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 736 | path = get_path(f, in->ino); |
| 737 | if(path != NULL) { |
| 738 | res = -ENOSYS; |
| 739 | if(f->op.write) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 740 | res = f->op.write(path, arg->buf, arg->size, arg->offset); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 741 | free(path); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | if(res > 0) { |
| 745 | if((size_t) res != arg->size) { |
| 746 | fprintf(stderr, "short write: %u (should be %u)\n", res, |
| 747 | arg->size); |
| 748 | res = -EIO; |
| 749 | } |
| 750 | else |
| 751 | res = 0; |
| 752 | } |
| 753 | |
| 754 | send_reply(f, in, res, NULL, 0); |
| 755 | } |
| 756 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 757 | static void free_cmd(struct fuse_cmd *cmd) |
| 758 | { |
| 759 | free(cmd->buf); |
| 760 | free(cmd); |
| 761 | } |
| 762 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 763 | void __fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 764 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 765 | struct fuse_in_header *in = (struct fuse_in_header *) cmd->buf; |
| 766 | void *inarg = cmd->buf + sizeof(struct fuse_in_header); |
| 767 | size_t argsize; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 768 | |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame^] | 769 | pthread_mutex_lock(&f->lock); |
| 770 | f->numavail --; |
| 771 | pthread_mutex_unlock(&f->lock); |
| 772 | |
Miklos Szeredi | c0938ea | 2001-11-07 12:35:06 +0000 | [diff] [blame] | 773 | if((f->flags & FUSE_DEBUG)) { |
| 774 | printf("unique: %i, opcode: %i, ino: %li, insize: %i\n", in->unique, |
| 775 | in->opcode, in->ino, cmd->buflen); |
| 776 | fflush(stdout); |
| 777 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 778 | |
| 779 | argsize = cmd->buflen - sizeof(struct fuse_in_header); |
| 780 | |
| 781 | switch(in->opcode) { |
| 782 | case FUSE_LOOKUP: |
| 783 | do_lookup(f, in, (char *) inarg); |
| 784 | break; |
| 785 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 786 | case FUSE_GETATTR: |
| 787 | do_getattr(f, in); |
| 788 | break; |
| 789 | |
| 790 | case FUSE_SETATTR: |
| 791 | do_setattr(f, in, (struct fuse_setattr_in *) inarg); |
| 792 | break; |
| 793 | |
| 794 | case FUSE_READLINK: |
| 795 | do_readlink(f, in); |
| 796 | break; |
| 797 | |
| 798 | case FUSE_GETDIR: |
| 799 | do_getdir(f, in); |
| 800 | break; |
| 801 | |
| 802 | case FUSE_MKNOD: |
| 803 | do_mknod(f, in, (struct fuse_mknod_in *) inarg); |
| 804 | break; |
| 805 | |
| 806 | case FUSE_MKDIR: |
| 807 | do_mkdir(f, in, (struct fuse_mkdir_in *) inarg); |
| 808 | break; |
| 809 | |
| 810 | case FUSE_UNLINK: |
| 811 | case FUSE_RMDIR: |
| 812 | do_remove(f, in, (char *) inarg); |
| 813 | break; |
| 814 | |
| 815 | case FUSE_SYMLINK: |
| 816 | do_symlink(f, in, (char *) inarg, |
| 817 | ((char *) inarg) + strlen((char *) inarg) + 1); |
| 818 | break; |
| 819 | |
| 820 | case FUSE_RENAME: |
| 821 | do_rename(f, in, (struct fuse_rename_in *) inarg); |
| 822 | break; |
| 823 | |
| 824 | case FUSE_LINK: |
| 825 | do_link(f, in, (struct fuse_link_in *) inarg); |
| 826 | break; |
| 827 | |
| 828 | case FUSE_OPEN: |
| 829 | do_open(f, in, (struct fuse_open_in *) inarg); |
| 830 | break; |
| 831 | |
| 832 | case FUSE_READ: |
| 833 | do_read(f, in, (struct fuse_read_in *) inarg); |
| 834 | break; |
| 835 | |
| 836 | case FUSE_WRITE: |
| 837 | do_write(f, in, (struct fuse_write_in *) inarg); |
| 838 | break; |
| 839 | |
| 840 | default: |
| 841 | fprintf(stderr, "Operation %i not implemented\n", in->opcode); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 842 | send_reply(f, in, -ENOSYS, NULL, 0); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 843 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 844 | |
| 845 | free_cmd(cmd); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 846 | } |
| 847 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 848 | struct fuse_cmd *__fuse_read_cmd(struct fuse *f) |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 849 | { |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 850 | ssize_t res; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 851 | struct fuse_cmd *cmd; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 852 | struct fuse_in_header *in; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 853 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 854 | cmd = (struct fuse_cmd *) malloc(sizeof(struct fuse_cmd)); |
| 855 | cmd->buf = (char *) malloc(FUSE_MAX_IN); |
| 856 | |
| 857 | do { |
| 858 | res = read(f->fd, cmd->buf, FUSE_MAX_IN); |
| 859 | if(res == -1) { |
| 860 | perror("reading fuse device"); |
| 861 | /* BAD... This will happen again */ |
| 862 | free_cmd(cmd); |
| 863 | return NULL; |
| 864 | } |
| 865 | if((size_t) res < sizeof(struct fuse_in_header)) { |
| 866 | fprintf(stderr, "short read on fuse device\n"); |
| 867 | /* Cannot happen */ |
| 868 | free_cmd(cmd); |
| 869 | return NULL; |
| 870 | } |
| 871 | cmd->buflen = res; |
| 872 | |
| 873 | /* FORGET is special: it can be done without calling filesystem |
| 874 | methods. */ |
| 875 | in = (struct fuse_in_header *) cmd->buf; |
| 876 | if(in->opcode == FUSE_FORGET) { |
| 877 | void *inarg = cmd->buf + sizeof(struct fuse_in_header); |
| 878 | do_forget(f, in, (struct fuse_forget_in *) inarg); |
| 879 | } |
| 880 | } while(in->opcode == FUSE_FORGET); |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 881 | |
| 882 | return cmd; |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 883 | } |
| 884 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 885 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 886 | void fuse_loop(struct fuse *f) |
| 887 | { |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 888 | while(1) { |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 889 | struct fuse_cmd *cmd = __fuse_read_cmd(f); |
| 890 | if(cmd == NULL) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 891 | exit(1); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 892 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 893 | __fuse_process_cmd(f, cmd); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 894 | } |
| 895 | } |
| 896 | |
Miklos Szeredi | 8cffdb9 | 2001-11-09 14:49:18 +0000 | [diff] [blame] | 897 | struct fuse *fuse_new(int fd, int flags) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 898 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 899 | struct fuse *f; |
| 900 | struct node *root; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 901 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 902 | f = (struct fuse *) calloc(1, sizeof(struct fuse)); |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 903 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 904 | f->flags = flags; |
Miklos Szeredi | 8cffdb9 | 2001-11-09 14:49:18 +0000 | [diff] [blame] | 905 | f->fd = fd; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 906 | f->ctr = 0; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 907 | /* FIXME: Dynamic hash table */ |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 908 | f->name_table_size = 14057; |
| 909 | f->name_table = (struct node **) |
| 910 | calloc(1, sizeof(struct node *) * f->name_table_size); |
| 911 | f->ino_table_size = 14057; |
| 912 | f->ino_table = (struct node **) |
| 913 | calloc(1, sizeof(struct node *) * f->ino_table_size); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 914 | pthread_mutex_init(&f->lock, NULL); |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame^] | 915 | f->numworker = 0; |
| 916 | f->numavail = 0; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 917 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 918 | root = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | 8cffdb9 | 2001-11-09 14:49:18 +0000 | [diff] [blame] | 919 | root->mode = 0; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 920 | root->rdev = 0; |
| 921 | root->name = strdup("/"); |
| 922 | root->parent = 0; |
| 923 | hash_ino(f, root, FUSE_ROOT_INO); |
| 924 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 925 | return f; |
| 926 | } |
| 927 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 928 | void fuse_set_operations(struct fuse *f, const struct fuse_operations *op) |
| 929 | { |
| 930 | f->op = *op; |
| 931 | } |
| 932 | |
| 933 | void fuse_destroy(struct fuse *f) |
| 934 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 935 | size_t i; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 936 | for(i = 0; i < f->ino_table_size; i++) { |
| 937 | struct node *node; |
| 938 | struct node *next; |
| 939 | for(node = f->ino_table[i]; node != NULL; node = next) { |
| 940 | next = node->ino_next; |
| 941 | free_node(node); |
| 942 | } |
| 943 | } |
| 944 | free(f->ino_table); |
| 945 | free(f->name_table); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 946 | pthread_mutex_destroy(&f->lock); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 947 | free(f); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 948 | } |