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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | ||
16 | #ifndef CEPH_CLIENT_H | |
17 | #define CEPH_CLIENT_H | |
18 | ||
11fdf7f2 TL |
19 | #include "common/CommandTable.h" |
20 | #include "common/Finisher.h" | |
11fdf7f2 | 21 | #include "common/Timer.h" |
9f95a23c | 22 | #include "common/ceph_mutex.h" |
11fdf7f2 TL |
23 | #include "common/cmdparse.h" |
24 | #include "common/compiler_extensions.h" | |
9f95a23c | 25 | #include "include/common_fwd.h" |
e306af50 | 26 | #include "include/cephfs/ceph_ll_client.h" |
7c673cae FG |
27 | #include "include/filepath.h" |
28 | #include "include/interval_set.h" | |
29 | #include "include/lru.h" | |
11fdf7f2 TL |
30 | #include "include/types.h" |
31 | #include "include/unordered_map.h" | |
32 | #include "include/unordered_set.h" | |
f67539c2 | 33 | #include "include/cephfs/metrics/Types.h" |
7c673cae FG |
34 | #include "mds/mdstypes.h" |
35 | #include "msg/Dispatcher.h" | |
11fdf7f2 | 36 | #include "msg/MessageRef.h" |
7c673cae | 37 | #include "msg/Messenger.h" |
7c673cae FG |
38 | #include "osdc/ObjectCacher.h" |
39 | ||
f67539c2 | 40 | #include "RWRef.h" |
7c673cae | 41 | #include "InodeRef.h" |
11fdf7f2 | 42 | #include "MetaSession.h" |
7c673cae | 43 | #include "UserPerm.h" |
11fdf7f2 TL |
44 | |
45 | #include <fstream> | |
46 | #include <map> | |
47 | #include <memory> | |
48 | #include <set> | |
49 | #include <string> | |
f67539c2 | 50 | #include <thread> |
11fdf7f2 TL |
51 | |
52 | using std::set; | |
53 | using std::map; | |
54 | using std::fstream; | |
7c673cae FG |
55 | |
56 | class FSMap; | |
57 | class FSMapUser; | |
58 | class MonClient; | |
59 | ||
7c673cae FG |
60 | |
61 | struct DirStat; | |
62 | struct LeaseStat; | |
63 | struct InodeStat; | |
64 | ||
65 | class Filer; | |
66 | class Objecter; | |
67 | class WritebackHandler; | |
68 | ||
7c673cae FG |
69 | class MDSMap; |
70 | class Message; | |
f67539c2 | 71 | class destructive_lock_ref_t; |
7c673cae FG |
72 | |
73 | enum { | |
74 | l_c_first = 20000, | |
75 | l_c_reply, | |
76 | l_c_lat, | |
77 | l_c_wrlat, | |
11fdf7f2 TL |
78 | l_c_read, |
79 | l_c_fsync, | |
7c673cae FG |
80 | l_c_last, |
81 | }; | |
82 | ||
83 | ||
84 | class MDSCommandOp : public CommandOp | |
85 | { | |
86 | public: | |
87 | mds_gid_t mds_gid; | |
88 | ||
11fdf7f2 | 89 | explicit MDSCommandOp(ceph_tid_t t) : CommandOp(t) {} |
7c673cae FG |
90 | }; |
91 | ||
92 | /* error code for ceph_fuse */ | |
28e407b8 AA |
93 | #define CEPH_FUSE_NO_MDS_UP -((1<<16)+0) /* no mds up deteced in ceph_fuse */ |
94 | #define CEPH_FUSE_LAST -((1<<16)+1) /* (unused) */ | |
7c673cae FG |
95 | |
96 | // ============================================ | |
97 | // types for my local metadata cache | |
98 | /* basic structure: | |
99 | ||
100 | - Dentries live in an LRU loop. they get expired based on last access. | |
101 | see include/lru.h. items can be bumped to "mid" or "top" of list, etc. | |
102 | - Inode has ref count for each Fh, Dir, or Dentry that points to it. | |
103 | - when Inode ref goes to 0, it's expired. | |
104 | - when Dir is empty, it's removed (and it's Inode ref--) | |
105 | ||
106 | */ | |
107 | ||
108 | /* getdir result */ | |
109 | struct DirEntry { | |
11fdf7f2 TL |
110 | explicit DirEntry(const string &s) : d_name(s), stmask(0) {} |
111 | DirEntry(const string &n, struct stat& s, int stm) : d_name(n), st(s), stmask(stm) {} | |
112 | ||
7c673cae FG |
113 | string d_name; |
114 | struct stat st; | |
115 | int stmask; | |
7c673cae FG |
116 | }; |
117 | ||
118 | struct Cap; | |
119 | class Dir; | |
120 | class Dentry; | |
121 | struct SnapRealm; | |
122 | struct Fh; | |
123 | struct CapSnap; | |
124 | ||
7c673cae FG |
125 | struct MetaRequest; |
126 | class ceph_lock_state_t; | |
127 | ||
7c673cae FG |
128 | // ======================================================== |
129 | // client interface | |
130 | ||
131 | struct dir_result_t { | |
132 | static const int SHIFT = 28; | |
133 | static const int64_t MASK = (1 << SHIFT) - 1; | |
134 | static const int64_t HASH = 0xFFULL << (SHIFT + 24); // impossible frag bits | |
135 | static const loff_t END = 1ULL << (SHIFT + 32); | |
136 | ||
11fdf7f2 TL |
137 | struct dentry { |
138 | int64_t offset; | |
f67539c2 TL |
139 | std::string name; |
140 | std::string alternate_name; | |
11fdf7f2 TL |
141 | InodeRef inode; |
142 | explicit dentry(int64_t o) : offset(o) {} | |
f67539c2 TL |
143 | dentry(int64_t o, std::string n, std::string an, InodeRef in) : |
144 | offset(o), name(std::move(n)), alternate_name(std::move(an)), inode(std::move(in)) {} | |
11fdf7f2 TL |
145 | }; |
146 | struct dentry_off_lt { | |
147 | bool operator()(const dentry& d, int64_t off) const { | |
148 | return dir_result_t::fpos_cmp(d.offset, off) < 0; | |
149 | } | |
150 | }; | |
151 | ||
152 | ||
153 | explicit dir_result_t(Inode *in, const UserPerm& perms); | |
154 | ||
155 | ||
7c673cae FG |
156 | static uint64_t make_fpos(unsigned h, unsigned l, bool hash) { |
157 | uint64_t v = ((uint64_t)h<< SHIFT) | (uint64_t)l; | |
158 | if (hash) | |
159 | v |= HASH; | |
160 | else | |
11fdf7f2 | 161 | ceph_assert((v & HASH) != HASH); |
7c673cae FG |
162 | return v; |
163 | } | |
164 | static unsigned fpos_high(uint64_t p) { | |
165 | unsigned v = (p & (END-1)) >> SHIFT; | |
166 | if ((p & HASH) == HASH) | |
167 | return ceph_frag_value(v); | |
168 | return v; | |
169 | } | |
170 | static unsigned fpos_low(uint64_t p) { | |
171 | return p & MASK; | |
172 | } | |
173 | static int fpos_cmp(uint64_t l, uint64_t r) { | |
174 | int c = ceph_frag_compare(fpos_high(l), fpos_high(r)); | |
175 | if (c) | |
176 | return c; | |
177 | if (fpos_low(l) == fpos_low(r)) | |
178 | return 0; | |
179 | return fpos_low(l) < fpos_low(r) ? -1 : 1; | |
180 | } | |
181 | ||
7c673cae FG |
182 | unsigned offset_high() { return fpos_high(offset); } |
183 | unsigned offset_low() { return fpos_low(offset); } | |
184 | ||
185 | void set_end() { offset |= END; } | |
186 | bool at_end() { return (offset & END); } | |
187 | ||
188 | void set_hash_order() { offset |= HASH; } | |
189 | bool hash_order() { return (offset & HASH) == HASH; } | |
190 | ||
191 | bool is_cached() { | |
192 | if (buffer.empty()) | |
193 | return false; | |
194 | if (hash_order()) { | |
195 | return buffer_frag.contains(offset_high()); | |
196 | } else { | |
197 | return buffer_frag == frag_t(offset_high()); | |
198 | } | |
199 | } | |
200 | ||
201 | void reset() { | |
202 | last_name.clear(); | |
203 | next_offset = 2; | |
204 | offset = 0; | |
205 | ordered_count = 0; | |
206 | cache_index = 0; | |
207 | buffer.clear(); | |
208 | } | |
11fdf7f2 TL |
209 | |
210 | InodeRef inode; | |
211 | int64_t offset; // hash order: | |
212 | // (0xff << 52) | ((24 bits hash) << 28) | | |
213 | // (the nth entry has hash collision); | |
214 | // frag+name order; | |
215 | // ((frag value) << 28) | (the nth entry in frag); | |
216 | ||
217 | unsigned next_offset; // offset of next chunk (last_name's + 1) | |
218 | string last_name; // last entry in previous chunk | |
219 | ||
220 | uint64_t release_count; | |
221 | uint64_t ordered_count; | |
222 | unsigned cache_index; | |
223 | int start_shared_gen; // dir shared_gen at start of readdir | |
224 | UserPerm perms; | |
225 | ||
226 | frag_t buffer_frag; | |
227 | ||
228 | vector<dentry> buffer; | |
f91f0fd5 | 229 | struct dirent de; |
7c673cae FG |
230 | }; |
231 | ||
232 | class Client : public Dispatcher, public md_config_obs_t { | |
11fdf7f2 TL |
233 | public: |
234 | friend class C_Block_Sync; // Calls block map and protected helpers | |
235 | friend class C_Client_CacheInvalidate; // calls ino_invalidate_cb | |
236 | friend class C_Client_DentryInvalidate; // calls dentry_invalidate_cb | |
237 | friend class C_Client_FlushComplete; // calls put_inode() | |
238 | friend class C_Client_Remount; | |
239 | friend class C_Client_RequestInterrupt; | |
240 | friend class C_Deleg_Timeout; // Asserts on client_lock, called when a delegation is unreturned | |
e306af50 | 241 | friend class C_Client_CacheRelease; // Asserts on client_lock |
11fdf7f2 TL |
242 | friend class SyntheticClient; |
243 | friend void intrusive_ptr_release(Inode *in); | |
f67539c2 TL |
244 | template <typename T> friend struct RWRefState; |
245 | template <typename T> friend class RWRef; | |
11fdf7f2 | 246 | |
7c673cae | 247 | using Dispatcher::cct; |
f67539c2 | 248 | using clock = ceph::coarse_mono_clock; |
7c673cae | 249 | |
11fdf7f2 | 250 | typedef int (*add_dirent_cb_t)(void *p, struct dirent *de, struct ceph_statx *stx, off_t off, Inode *in); |
7c673cae | 251 | |
f67539c2 TL |
252 | struct walk_dentry_result { |
253 | InodeRef in; | |
254 | std::string alternate_name; | |
255 | }; | |
256 | ||
7c673cae | 257 | class CommandHook : public AdminSocketHook { |
7c673cae FG |
258 | public: |
259 | explicit CommandHook(Client *client); | |
9f95a23c TL |
260 | int call(std::string_view command, const cmdmap_t& cmdmap, |
261 | Formatter *f, | |
262 | std::ostream& errss, | |
263 | bufferlist& out) override; | |
11fdf7f2 TL |
264 | private: |
265 | Client *m_client; | |
7c673cae | 266 | }; |
7c673cae | 267 | |
f67539c2 TL |
268 | // snapshot info returned via get_snap_info(). nothing to do |
269 | // with SnapInfo on the MDS. | |
270 | struct SnapInfo { | |
271 | snapid_t id; | |
272 | std::map<std::string, std::string> metadata; | |
273 | }; | |
274 | ||
11fdf7f2 TL |
275 | Client(Messenger *m, MonClient *mc, Objecter *objecter_); |
276 | Client(const Client&) = delete; | |
277 | Client(const Client&&) = delete; | |
278 | virtual ~Client() override; | |
7c673cae | 279 | |
11fdf7f2 TL |
280 | static UserPerm pick_my_perms(CephContext *c) { |
281 | uid_t uid = c->_conf->client_mount_uid >= 0 ? c->_conf->client_mount_uid : -1; | |
282 | gid_t gid = c->_conf->client_mount_gid >= 0 ? c->_conf->client_mount_gid : -1; | |
283 | return UserPerm(uid, gid); | |
284 | } | |
7c673cae FG |
285 | UserPerm pick_my_perms() { |
286 | uid_t uid = user_id >= 0 ? user_id : -1; | |
287 | gid_t gid = group_id >= 0 ? group_id : -1; | |
288 | return UserPerm(uid, gid); | |
289 | } | |
290 | ||
11fdf7f2 TL |
291 | int mount(const std::string &mount_root, const UserPerm& perms, |
292 | bool require_mds=false, const std::string &fs_name=""); | |
293 | void unmount(); | |
f67539c2 TL |
294 | bool is_unmounting() const { |
295 | return mount_state.check_current_state(CLIENT_UNMOUNTING); | |
296 | } | |
297 | bool is_mounted() const { | |
298 | return mount_state.check_current_state(CLIENT_MOUNTED); | |
299 | } | |
300 | bool is_mounting() const { | |
301 | return mount_state.check_current_state(CLIENT_MOUNTING); | |
302 | } | |
303 | bool is_initialized() const { | |
304 | return initialize_state.check_current_state(CLIENT_INITIALIZED); | |
305 | } | |
11fdf7f2 | 306 | void abort_conn(); |
7c673cae | 307 | |
11fdf7f2 TL |
308 | void set_uuid(const std::string& uuid); |
309 | void set_session_timeout(unsigned timeout); | |
310 | int start_reclaim(const std::string& uuid, unsigned flags, | |
311 | const std::string& fs_name); | |
312 | void finish_reclaim(); | |
7c673cae | 313 | |
11fdf7f2 TL |
314 | fs_cluster_id_t get_fs_cid() { |
315 | return fscid; | |
316 | } | |
7c673cae | 317 | |
11fdf7f2 TL |
318 | int mds_command( |
319 | const std::string &mds_spec, | |
320 | const std::vector<std::string>& cmd, | |
321 | const bufferlist& inbl, | |
322 | bufferlist *poutbl, std::string *prs, Context *onfinish); | |
7c673cae | 323 | |
11fdf7f2 TL |
324 | // these should (more or less) mirror the actual system calls. |
325 | int statfs(const char *path, struct statvfs *stbuf, const UserPerm& perms); | |
7c673cae | 326 | |
11fdf7f2 TL |
327 | // crap |
328 | int chdir(const char *s, std::string &new_cwd, const UserPerm& perms); | |
329 | void _getcwd(std::string& cwd, const UserPerm& perms); | |
330 | void getcwd(std::string& cwd, const UserPerm& perms); | |
7c673cae | 331 | |
11fdf7f2 TL |
332 | // namespace ops |
333 | int opendir(const char *name, dir_result_t **dirpp, const UserPerm& perms); | |
b3b6e05e | 334 | int fdopendir(int dirfd, dir_result_t **dirpp, const UserPerm& perms); |
11fdf7f2 | 335 | int closedir(dir_result_t *dirp); |
7c673cae | 336 | |
11fdf7f2 TL |
337 | /** |
338 | * Fill a directory listing from dirp, invoking cb for each entry | |
339 | * with the given pointer, the dirent, the struct stat, the stmask, | |
340 | * and the offset. | |
341 | * | |
342 | * Returns 0 if it reached the end of the directory. | |
343 | * If @a cb returns a negative error code, stop and return that. | |
344 | */ | |
345 | int readdir_r_cb(dir_result_t *dirp, add_dirent_cb_t cb, void *p, | |
346 | unsigned want=0, unsigned flags=AT_NO_ATTR_SYNC, | |
347 | bool getref=false); | |
7c673cae | 348 | |
11fdf7f2 TL |
349 | struct dirent * readdir(dir_result_t *d); |
350 | int readdir_r(dir_result_t *dirp, struct dirent *de); | |
351 | int readdirplus_r(dir_result_t *dirp, struct dirent *de, struct ceph_statx *stx, unsigned want, unsigned flags, Inode **out); | |
7c673cae | 352 | |
11fdf7f2 TL |
353 | int getdir(const char *relpath, list<string>& names, |
354 | const UserPerm& perms); // get the whole dir at once. | |
7c673cae | 355 | |
11fdf7f2 TL |
356 | /** |
357 | * Returns the length of the buffer that got filled in, or -errno. | |
f67539c2 | 358 | * If it returns -CEPHFS_ERANGE you just need to increase the size of the |
11fdf7f2 TL |
359 | * buffer and try again. |
360 | */ | |
361 | int _getdents(dir_result_t *dirp, char *buf, int buflen, bool ful); // get a bunch of dentries at once | |
362 | int getdents(dir_result_t *dirp, char *buf, int buflen) { | |
363 | return _getdents(dirp, buf, buflen, true); | |
364 | } | |
365 | int getdnames(dir_result_t *dirp, char *buf, int buflen) { | |
366 | return _getdents(dirp, buf, buflen, false); | |
367 | } | |
7c673cae | 368 | |
11fdf7f2 TL |
369 | void rewinddir(dir_result_t *dirp); |
370 | loff_t telldir(dir_result_t *dirp); | |
371 | void seekdir(dir_result_t *dirp, loff_t offset); | |
7c673cae | 372 | |
f67539c2 TL |
373 | int may_delete(const char *relpath, const UserPerm& perms); |
374 | int link(const char *existing, const char *newname, const UserPerm& perm, std::string alternate_name=""); | |
11fdf7f2 | 375 | int unlink(const char *path, const UserPerm& perm); |
b3b6e05e | 376 | int unlinkat(int dirfd, const char *relpath, int flags, const UserPerm& perm); |
f67539c2 | 377 | int rename(const char *from, const char *to, const UserPerm& perm, std::string alternate_name=""); |
11fdf7f2 TL |
378 | |
379 | // dirs | |
f67539c2 | 380 | int mkdir(const char *path, mode_t mode, const UserPerm& perm, std::string alternate_name=""); |
b3b6e05e TL |
381 | int mkdirat(int dirfd, const char *relpath, mode_t mode, const UserPerm& perm, |
382 | std::string alternate_name=""); | |
11fdf7f2 TL |
383 | int mkdirs(const char *path, mode_t mode, const UserPerm& perms); |
384 | int rmdir(const char *path, const UserPerm& perms); | |
385 | ||
386 | // symlinks | |
387 | int readlink(const char *path, char *buf, loff_t size, const UserPerm& perms); | |
b3b6e05e | 388 | int readlinkat(int dirfd, const char *relpath, char *buf, loff_t size, const UserPerm& perms); |
11fdf7f2 | 389 | |
f67539c2 | 390 | int symlink(const char *existing, const char *newname, const UserPerm& perms, std::string alternate_name=""); |
b3b6e05e TL |
391 | int symlinkat(const char *target, int dirfd, const char *relpath, const UserPerm& perms, |
392 | std::string alternate_name=""); | |
f67539c2 TL |
393 | |
394 | // path traversal for high-level interface | |
395 | int walk(std::string_view path, struct walk_dentry_result* result, const UserPerm& perms, bool followsym=true); | |
11fdf7f2 TL |
396 | |
397 | // inode stuff | |
398 | unsigned statx_to_mask(unsigned int flags, unsigned int want); | |
399 | int stat(const char *path, struct stat *stbuf, const UserPerm& perms, | |
400 | frag_info_t *dirstat=0, int mask=CEPH_STAT_CAP_INODE_ALL); | |
401 | int statx(const char *path, struct ceph_statx *stx, | |
402 | const UserPerm& perms, | |
403 | unsigned int want, unsigned int flags); | |
404 | int lstat(const char *path, struct stat *stbuf, const UserPerm& perms, | |
405 | frag_info_t *dirstat=0, int mask=CEPH_STAT_CAP_INODE_ALL); | |
406 | ||
407 | int setattr(const char *relpath, struct stat *attr, int mask, | |
408 | const UserPerm& perms); | |
409 | int setattrx(const char *relpath, struct ceph_statx *stx, int mask, | |
410 | const UserPerm& perms, int flags=0); | |
411 | int fsetattr(int fd, struct stat *attr, int mask, const UserPerm& perms); | |
412 | int fsetattrx(int fd, struct ceph_statx *stx, int mask, const UserPerm& perms); | |
413 | int chmod(const char *path, mode_t mode, const UserPerm& perms); | |
414 | int fchmod(int fd, mode_t mode, const UserPerm& perms); | |
b3b6e05e | 415 | int chmodat(int dirfd, const char *relpath, mode_t mode, int flags, const UserPerm& perms); |
11fdf7f2 TL |
416 | int lchmod(const char *path, mode_t mode, const UserPerm& perms); |
417 | int chown(const char *path, uid_t new_uid, gid_t new_gid, | |
418 | const UserPerm& perms); | |
419 | int fchown(int fd, uid_t new_uid, gid_t new_gid, const UserPerm& perms); | |
420 | int lchown(const char *path, uid_t new_uid, gid_t new_gid, | |
421 | const UserPerm& perms); | |
b3b6e05e TL |
422 | int chownat(int dirfd, const char *relpath, uid_t new_uid, gid_t new_gid, |
423 | int flags, const UserPerm& perms); | |
11fdf7f2 TL |
424 | int utime(const char *path, struct utimbuf *buf, const UserPerm& perms); |
425 | int lutime(const char *path, struct utimbuf *buf, const UserPerm& perms); | |
426 | int futime(int fd, struct utimbuf *buf, const UserPerm& perms); | |
427 | int utimes(const char *relpath, struct timeval times[2], const UserPerm& perms); | |
428 | int lutimes(const char *relpath, struct timeval times[2], const UserPerm& perms); | |
429 | int futimes(int fd, struct timeval times[2], const UserPerm& perms); | |
430 | int futimens(int fd, struct timespec times[2], const UserPerm& perms); | |
b3b6e05e TL |
431 | int utimensat(int dirfd, const char *relpath, struct timespec times[2], int flags, |
432 | const UserPerm& perms); | |
11fdf7f2 TL |
433 | int flock(int fd, int operation, uint64_t owner); |
434 | int truncate(const char *path, loff_t size, const UserPerm& perms); | |
435 | ||
436 | // file ops | |
437 | int mknod(const char *path, mode_t mode, const UserPerm& perms, dev_t rdev=0); | |
b3b6e05e TL |
438 | |
439 | int create_and_open(std::optional<int> dirfd, const char *relpath, int flags, const UserPerm& perms, | |
440 | mode_t mode, int stripe_unit, int stripe_count, int object_size, const char *data_pool, | |
441 | std::string alternate_name); | |
f67539c2 TL |
442 | int open(const char *path, int flags, const UserPerm& perms, mode_t mode=0, std::string alternate_name="") { |
443 | return open(path, flags, perms, mode, 0, 0, 0, NULL, alternate_name); | |
444 | } | |
11fdf7f2 TL |
445 | int open(const char *path, int flags, const UserPerm& perms, |
446 | mode_t mode, int stripe_unit, int stripe_count, int object_size, | |
f67539c2 | 447 | const char *data_pool, std::string alternate_name=""); |
b3b6e05e TL |
448 | int _openat(int dirfd, const char *relpath, int flags, const UserPerm& perms, |
449 | mode_t mode=0, std::string alternate_name=""); | |
450 | int openat(int dirfd, const char *relpath, int flags, const UserPerm& perms, | |
451 | mode_t mode, int stripe_unit, int stripe_count, | |
452 | int object_size, const char *data_pool, std::string alternate_name); | |
453 | int openat(int dirfd, const char *path, int flags, const UserPerm& perms, mode_t mode=0, | |
454 | std::string alternate_name="") { | |
455 | return openat(dirfd, path, flags, perms, mode, 0, 0, 0, NULL, alternate_name); | |
456 | } | |
457 | ||
11fdf7f2 TL |
458 | int lookup_hash(inodeno_t ino, inodeno_t dirino, const char *name, |
459 | const UserPerm& perms); | |
460 | int lookup_ino(inodeno_t ino, const UserPerm& perms, Inode **inode=NULL); | |
11fdf7f2 | 461 | int lookup_name(Inode *in, Inode *parent, const UserPerm& perms); |
b3b6e05e | 462 | int _close(int fd); |
11fdf7f2 TL |
463 | int close(int fd); |
464 | loff_t lseek(int fd, loff_t offset, int whence); | |
465 | int read(int fd, char *buf, loff_t size, loff_t offset=-1); | |
466 | int preadv(int fd, const struct iovec *iov, int iovcnt, loff_t offset=-1); | |
467 | int write(int fd, const char *buf, loff_t size, loff_t offset=-1); | |
468 | int pwritev(int fd, const struct iovec *iov, int iovcnt, loff_t offset=-1); | |
469 | int fake_write_size(int fd, loff_t size); | |
470 | int ftruncate(int fd, loff_t size, const UserPerm& perms); | |
471 | int fsync(int fd, bool syncdataonly); | |
472 | int fstat(int fd, struct stat *stbuf, const UserPerm& perms, | |
473 | int mask=CEPH_STAT_CAP_INODE_ALL); | |
474 | int fstatx(int fd, struct ceph_statx *stx, const UserPerm& perms, | |
475 | unsigned int want, unsigned int flags); | |
b3b6e05e TL |
476 | int statxat(int dirfd, const char *relpath, |
477 | struct ceph_statx *stx, const UserPerm& perms, | |
478 | unsigned int want, unsigned int flags); | |
11fdf7f2 TL |
479 | int fallocate(int fd, int mode, loff_t offset, loff_t length); |
480 | ||
481 | // full path xattr ops | |
482 | int getxattr(const char *path, const char *name, void *value, size_t size, | |
483 | const UserPerm& perms); | |
484 | int lgetxattr(const char *path, const char *name, void *value, size_t size, | |
485 | const UserPerm& perms); | |
486 | int fgetxattr(int fd, const char *name, void *value, size_t size, | |
487 | const UserPerm& perms); | |
488 | int listxattr(const char *path, char *list, size_t size, const UserPerm& perms); | |
489 | int llistxattr(const char *path, char *list, size_t size, const UserPerm& perms); | |
490 | int flistxattr(int fd, char *list, size_t size, const UserPerm& perms); | |
491 | int removexattr(const char *path, const char *name, const UserPerm& perms); | |
492 | int lremovexattr(const char *path, const char *name, const UserPerm& perms); | |
493 | int fremovexattr(int fd, const char *name, const UserPerm& perms); | |
494 | int setxattr(const char *path, const char *name, const void *value, | |
495 | size_t size, int flags, const UserPerm& perms); | |
496 | int lsetxattr(const char *path, const char *name, const void *value, | |
497 | size_t size, int flags, const UserPerm& perms); | |
498 | int fsetxattr(int fd, const char *name, const void *value, size_t size, | |
499 | int flags, const UserPerm& perms); | |
500 | ||
501 | int sync_fs(); | |
502 | int64_t drop_caches(); | |
503 | ||
f67539c2 TL |
504 | int get_snap_info(const char *path, const UserPerm &perms, SnapInfo *snap_info); |
505 | ||
11fdf7f2 TL |
506 | // hpc lazyio |
507 | int lazyio(int fd, int enable); | |
92f5a8d4 | 508 | int lazyio_propagate(int fd, loff_t offset, size_t count); |
11fdf7f2 TL |
509 | int lazyio_synchronize(int fd, loff_t offset, size_t count); |
510 | ||
511 | // expose file layout | |
512 | int describe_layout(const char *path, file_layout_t* layout, | |
513 | const UserPerm& perms); | |
514 | int fdescribe_layout(int fd, file_layout_t* layout); | |
515 | int get_file_stripe_address(int fd, loff_t offset, vector<entity_addr_t>& address); | |
516 | int get_file_extent_osds(int fd, loff_t off, loff_t *len, vector<int>& osds); | |
517 | int get_osd_addr(int osd, entity_addr_t& addr); | |
518 | ||
519 | // expose mdsmap | |
520 | int64_t get_default_pool_id(); | |
521 | ||
522 | // expose osdmap | |
523 | int get_local_osd(); | |
524 | int get_pool_replication(int64_t pool); | |
525 | int64_t get_pool_id(const char *pool_name); | |
526 | string get_pool_name(int64_t pool); | |
527 | int get_osd_crush_location(int id, vector<pair<string, string> >& path); | |
528 | ||
529 | int enumerate_layout(int fd, vector<ObjectExtent>& result, | |
530 | loff_t length, loff_t offset); | |
531 | ||
f67539c2 TL |
532 | int mksnap(const char *path, const char *name, const UserPerm& perm, |
533 | mode_t mode=0, const std::map<std::string, std::string> &metadata={}); | |
534 | int rmsnap(const char *path, const char *name, const UserPerm& perm, bool check_perms=false); | |
11fdf7f2 TL |
535 | |
536 | // Inode permission checking | |
537 | int inode_permission(Inode *in, const UserPerm& perms, unsigned want); | |
538 | ||
539 | // expose caps | |
540 | int get_caps_issued(int fd); | |
541 | int get_caps_issued(const char *path, const UserPerm& perms); | |
542 | ||
543 | snapid_t ll_get_snapid(Inode *in); | |
544 | vinodeno_t ll_get_vino(Inode *in) { | |
545 | std::lock_guard lock(client_lock); | |
546 | return _get_vino(in); | |
547 | } | |
548 | // get inode from faked ino | |
549 | Inode *ll_get_inode(ino_t ino); | |
550 | Inode *ll_get_inode(vinodeno_t vino); | |
551 | int ll_lookup(Inode *parent, const char *name, struct stat *attr, | |
552 | Inode **out, const UserPerm& perms); | |
553 | int ll_lookup_inode(struct inodeno_t ino, const UserPerm& perms, Inode **inode); | |
f67539c2 | 554 | int ll_lookup_vino(vinodeno_t vino, const UserPerm& perms, Inode **inode); |
11fdf7f2 TL |
555 | int ll_lookupx(Inode *parent, const char *name, Inode **out, |
556 | struct ceph_statx *stx, unsigned want, unsigned flags, | |
557 | const UserPerm& perms); | |
494da23a | 558 | bool ll_forget(Inode *in, uint64_t count); |
11fdf7f2 TL |
559 | bool ll_put(Inode *in); |
560 | int ll_get_snap_ref(snapid_t snap); | |
561 | ||
562 | int ll_getattr(Inode *in, struct stat *st, const UserPerm& perms); | |
563 | int ll_getattrx(Inode *in, struct ceph_statx *stx, unsigned int want, | |
564 | unsigned int flags, const UserPerm& perms); | |
565 | int ll_setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
566 | const UserPerm& perms); | |
567 | int ll_setattr(Inode *in, struct stat *st, int mask, | |
568 | const UserPerm& perms); | |
569 | int ll_getxattr(Inode *in, const char *name, void *value, size_t size, | |
570 | const UserPerm& perms); | |
571 | int ll_setxattr(Inode *in, const char *name, const void *value, size_t size, | |
572 | int flags, const UserPerm& perms); | |
573 | int ll_removexattr(Inode *in, const char *name, const UserPerm& perms); | |
574 | int ll_listxattr(Inode *in, char *list, size_t size, const UserPerm& perms); | |
575 | int ll_opendir(Inode *in, int flags, dir_result_t **dirpp, | |
576 | const UserPerm& perms); | |
577 | int ll_releasedir(dir_result_t* dirp); | |
578 | int ll_fsyncdir(dir_result_t* dirp); | |
579 | int ll_readlink(Inode *in, char *buf, size_t bufsize, const UserPerm& perms); | |
580 | int ll_mknod(Inode *in, const char *name, mode_t mode, dev_t rdev, | |
581 | struct stat *attr, Inode **out, const UserPerm& perms); | |
582 | int ll_mknodx(Inode *parent, const char *name, mode_t mode, dev_t rdev, | |
583 | Inode **out, struct ceph_statx *stx, unsigned want, | |
584 | unsigned flags, const UserPerm& perms); | |
585 | int ll_mkdir(Inode *in, const char *name, mode_t mode, struct stat *attr, | |
586 | Inode **out, const UserPerm& perm); | |
587 | int ll_mkdirx(Inode *parent, const char *name, mode_t mode, Inode **out, | |
588 | struct ceph_statx *stx, unsigned want, unsigned flags, | |
589 | const UserPerm& perms); | |
590 | int ll_symlink(Inode *in, const char *name, const char *value, | |
591 | struct stat *attr, Inode **out, const UserPerm& perms); | |
592 | int ll_symlinkx(Inode *parent, const char *name, const char *value, | |
593 | Inode **out, struct ceph_statx *stx, unsigned want, | |
594 | unsigned flags, const UserPerm& perms); | |
595 | int ll_unlink(Inode *in, const char *name, const UserPerm& perm); | |
596 | int ll_rmdir(Inode *in, const char *name, const UserPerm& perms); | |
597 | int ll_rename(Inode *parent, const char *name, Inode *newparent, | |
598 | const char *newname, const UserPerm& perm); | |
599 | int ll_link(Inode *in, Inode *newparent, const char *newname, | |
600 | const UserPerm& perm); | |
601 | int ll_open(Inode *in, int flags, Fh **fh, const UserPerm& perms); | |
602 | int _ll_create(Inode *parent, const char *name, mode_t mode, | |
603 | int flags, InodeRef *in, int caps, Fh **fhp, | |
604 | const UserPerm& perms); | |
605 | int ll_create(Inode *parent, const char *name, mode_t mode, int flags, | |
606 | struct stat *attr, Inode **out, Fh **fhp, | |
607 | const UserPerm& perms); | |
608 | int ll_createx(Inode *parent, const char *name, mode_t mode, | |
609 | int oflags, Inode **outp, Fh **fhp, | |
610 | struct ceph_statx *stx, unsigned want, unsigned lflags, | |
611 | const UserPerm& perms); | |
612 | int ll_read_block(Inode *in, uint64_t blockid, char *buf, uint64_t offset, | |
613 | uint64_t length, file_layout_t* layout); | |
614 | ||
615 | int ll_write_block(Inode *in, uint64_t blockid, | |
616 | char* buf, uint64_t offset, | |
617 | uint64_t length, file_layout_t* layout, | |
618 | uint64_t snapseq, uint32_t sync); | |
619 | int ll_commit_blocks(Inode *in, uint64_t offset, uint64_t length); | |
620 | ||
621 | int ll_statfs(Inode *in, struct statvfs *stbuf, const UserPerm& perms); | |
622 | int ll_walk(const char* name, Inode **i, struct ceph_statx *stx, | |
623 | unsigned int want, unsigned int flags, const UserPerm& perms); | |
624 | uint32_t ll_stripe_unit(Inode *in); | |
625 | int ll_file_layout(Inode *in, file_layout_t *layout); | |
626 | uint64_t ll_snap_seq(Inode *in); | |
627 | ||
628 | int ll_read(Fh *fh, loff_t off, loff_t len, bufferlist *bl); | |
629 | int ll_write(Fh *fh, loff_t off, loff_t len, const char *data); | |
630 | int64_t ll_readv(struct Fh *fh, const struct iovec *iov, int iovcnt, int64_t off); | |
631 | int64_t ll_writev(struct Fh *fh, const struct iovec *iov, int iovcnt, int64_t off); | |
632 | loff_t ll_lseek(Fh *fh, loff_t offset, int whence); | |
633 | int ll_flush(Fh *fh); | |
634 | int ll_fsync(Fh *fh, bool syncdataonly); | |
635 | int ll_sync_inode(Inode *in, bool syncdataonly); | |
636 | int ll_fallocate(Fh *fh, int mode, int64_t offset, int64_t length); | |
637 | int ll_release(Fh *fh); | |
638 | int ll_getlk(Fh *fh, struct flock *fl, uint64_t owner); | |
639 | int ll_setlk(Fh *fh, struct flock *fl, uint64_t owner, int sleep); | |
640 | int ll_flock(Fh *fh, int cmd, uint64_t owner); | |
641 | int ll_lazyio(Fh *fh, int enable); | |
642 | int ll_file_layout(Fh *fh, file_layout_t *layout); | |
643 | void ll_interrupt(void *d); | |
644 | bool ll_handle_umask() { | |
645 | return acl_type != NO_ACL; | |
646 | } | |
647 | ||
648 | int ll_get_stripe_osd(struct Inode *in, uint64_t blockno, | |
649 | file_layout_t* layout); | |
650 | uint64_t ll_get_internal_offset(struct Inode *in, uint64_t blockno); | |
651 | ||
652 | int ll_num_osds(void); | |
653 | int ll_osdaddr(int osd, uint32_t *addr); | |
654 | int ll_osdaddr(int osd, char* buf, size_t size); | |
655 | ||
e306af50 | 656 | void ll_register_callbacks(struct ceph_client_callback_args *args); |
11fdf7f2 TL |
657 | int test_dentry_handling(bool can_invalidate); |
658 | ||
659 | const char** get_tracked_conf_keys() const override; | |
660 | void handle_conf_change(const ConfigProxy& conf, | |
661 | const std::set <std::string> &changed) override; | |
662 | uint32_t get_deleg_timeout() { return deleg_timeout; } | |
663 | int set_deleg_timeout(uint32_t timeout); | |
664 | int ll_delegation(Fh *fh, unsigned cmd, ceph_deleg_cb_t cb, void *priv); | |
665 | ||
666 | entity_name_t get_myname() { return messenger->get_myname(); } | |
9f95a23c TL |
667 | void wait_on_list(std::list<ceph::condition_variable*>& ls); |
668 | void signal_cond_list(std::list<ceph::condition_variable*>& ls); | |
11fdf7f2 TL |
669 | |
670 | void set_filer_flags(int flags); | |
671 | void clear_filer_flags(int flags); | |
672 | ||
673 | void tear_down_cache(); | |
674 | ||
675 | void update_metadata(std::string const &k, std::string const &v); | |
676 | ||
677 | client_t get_nodeid() { return whoami; } | |
678 | ||
679 | inodeno_t get_root_ino(); | |
680 | Inode *get_root(); | |
681 | ||
682 | virtual int init(); | |
683 | virtual void shutdown(); | |
684 | ||
685 | // messaging | |
f67539c2 | 686 | void cancel_commands(const MDSMap& newmap); |
11fdf7f2 TL |
687 | void handle_mds_map(const MConstRef<MMDSMap>& m); |
688 | void handle_fs_map(const MConstRef<MFSMap>& m); | |
689 | void handle_fs_map_user(const MConstRef<MFSMapUser>& m); | |
690 | void handle_osd_map(const MConstRef<MOSDMap>& m); | |
691 | ||
692 | void handle_lease(const MConstRef<MClientLease>& m); | |
693 | ||
694 | // inline data | |
695 | int uninline_data(Inode *in, Context *onfinish); | |
696 | ||
697 | // file caps | |
698 | void check_cap_issue(Inode *in, unsigned issued); | |
699 | void add_update_cap(Inode *in, MetaSession *session, uint64_t cap_id, | |
700 | unsigned issued, unsigned wanted, unsigned seq, unsigned mseq, | |
701 | inodeno_t realm, int flags, const UserPerm& perms); | |
702 | void remove_cap(Cap *cap, bool queue_release); | |
703 | void remove_all_caps(Inode *in); | |
f6b5b4d7 | 704 | void remove_session_caps(MetaSession *session, int err); |
11fdf7f2 TL |
705 | int mark_caps_flushing(Inode *in, ceph_tid_t *ptid); |
706 | void adjust_session_flushing_caps(Inode *in, MetaSession *old_s, MetaSession *new_s); | |
707 | void flush_caps_sync(); | |
eafe8130 | 708 | void kick_flushing_caps(Inode *in, MetaSession *session); |
11fdf7f2 TL |
709 | void kick_flushing_caps(MetaSession *session); |
710 | void early_kick_flushing_caps(MetaSession *session); | |
f6b5b4d7 | 711 | int get_caps(Fh *fh, int need, int want, int *have, loff_t endoff); |
11fdf7f2 TL |
712 | int get_caps_used(Inode *in); |
713 | ||
714 | void maybe_update_snaprealm(SnapRealm *realm, snapid_t snap_created, snapid_t snap_highwater, | |
715 | vector<snapid_t>& snaps); | |
716 | ||
717 | void handle_quota(const MConstRef<MClientQuota>& m); | |
718 | void handle_snap(const MConstRef<MClientSnap>& m); | |
719 | void handle_caps(const MConstRef<MClientCaps>& m); | |
720 | void handle_cap_import(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
721 | void handle_cap_export(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
722 | void handle_cap_trunc(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
723 | void handle_cap_flush_ack(MetaSession *session, Inode *in, Cap *cap, const MConstRef<MClientCaps>& m); | |
724 | void handle_cap_flushsnap_ack(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
725 | void handle_cap_grant(MetaSession *session, Inode *in, Cap *cap, const MConstRef<MClientCaps>& m); | |
726 | void cap_delay_requeue(Inode *in); | |
eafe8130 TL |
727 | |
728 | void send_cap(Inode *in, MetaSession *session, Cap *cap, int flags, | |
11fdf7f2 TL |
729 | int used, int want, int retain, int flush, |
730 | ceph_tid_t flush_tid); | |
731 | ||
eafe8130 TL |
732 | void send_flush_snap(Inode *in, MetaSession *session, snapid_t follows, CapSnap& capsnap); |
733 | ||
734 | void flush_snaps(Inode *in); | |
11fdf7f2 TL |
735 | void get_cap_ref(Inode *in, int cap); |
736 | void put_cap_ref(Inode *in, int cap); | |
11fdf7f2 TL |
737 | void wait_sync_caps(Inode *in, ceph_tid_t want); |
738 | void wait_sync_caps(ceph_tid_t want); | |
739 | void queue_cap_snap(Inode *in, SnapContext &old_snapc); | |
740 | void finish_cap_snap(Inode *in, CapSnap &capsnap, int used); | |
11fdf7f2 TL |
741 | |
742 | void _schedule_invalidate_dentry_callback(Dentry *dn, bool del); | |
743 | void _async_dentry_invalidate(vinodeno_t dirino, vinodeno_t ino, string& name); | |
744 | void _try_to_trim_inode(Inode *in, bool sched_inval); | |
745 | ||
746 | void _schedule_invalidate_callback(Inode *in, int64_t off, int64_t len); | |
747 | void _invalidate_inode_cache(Inode *in); | |
748 | void _invalidate_inode_cache(Inode *in, int64_t off, int64_t len); | |
749 | void _async_invalidate(vinodeno_t ino, int64_t off, int64_t len); | |
e306af50 TL |
750 | |
751 | void _schedule_ino_release_callback(Inode *in); | |
752 | void _async_inode_release(vinodeno_t ino); | |
753 | ||
11fdf7f2 TL |
754 | bool _release(Inode *in); |
755 | ||
756 | /** | |
757 | * Initiate a flush of the data associated with the given inode. | |
758 | * If you specify a Context, you are responsible for holding an inode | |
759 | * reference for the duration of the flush. If not, _flush() will | |
760 | * take the reference for you. | |
761 | * @param in The Inode whose data you wish to flush. | |
762 | * @param c The Context you wish us to complete once the data is | |
763 | * flushed. If already flushed, this will be called in-line. | |
764 | * | |
765 | * @returns true if the data was already flushed, false otherwise. | |
766 | */ | |
767 | bool _flush(Inode *in, Context *c); | |
768 | void _flush_range(Inode *in, int64_t off, uint64_t size); | |
769 | void _flushed(Inode *in); | |
770 | void flush_set_callback(ObjectCacher::ObjectSet *oset); | |
771 | ||
772 | void close_release(Inode *in); | |
773 | void close_safe(Inode *in); | |
774 | ||
775 | void lock_fh_pos(Fh *f); | |
776 | void unlock_fh_pos(Fh *f); | |
777 | ||
778 | // metadata cache | |
779 | void update_dir_dist(Inode *in, DirStat *st); | |
780 | ||
781 | void clear_dir_complete_and_ordered(Inode *diri, bool complete); | |
782 | void insert_readdir_results(MetaRequest *request, MetaSession *session, Inode *diri); | |
783 | Inode* insert_trace(MetaRequest *request, MetaSession *session); | |
784 | void update_inode_file_size(Inode *in, int issued, uint64_t size, | |
785 | uint64_t truncate_seq, uint64_t truncate_size); | |
786 | void update_inode_file_time(Inode *in, int issued, uint64_t time_warp_seq, | |
787 | utime_t ctime, utime_t mtime, utime_t atime); | |
788 | ||
789 | Inode *add_update_inode(InodeStat *st, utime_t ttl, MetaSession *session, | |
790 | const UserPerm& request_perms); | |
791 | Dentry *insert_dentry_inode(Dir *dir, const string& dname, LeaseStat *dlease, | |
792 | Inode *in, utime_t from, MetaSession *session, | |
793 | Dentry *old_dentry = NULL); | |
794 | void update_dentry_lease(Dentry *dn, LeaseStat *dlease, utime_t from, MetaSession *session); | |
795 | ||
796 | bool use_faked_inos() { return _use_faked_inos; } | |
797 | vinodeno_t map_faked_ino(ino_t ino); | |
798 | ||
799 | //notify the mds to flush the mdlog | |
800 | void flush_mdlog_sync(); | |
801 | void flush_mdlog(MetaSession *session); | |
802 | ||
803 | void renew_caps(); | |
804 | void renew_caps(MetaSession *session); | |
805 | void flush_cap_releases(); | |
f67539c2 | 806 | void renew_and_flush_cap_releases(); |
11fdf7f2 | 807 | void tick(); |
f67539c2 TL |
808 | void start_tick_thread(); |
809 | ||
810 | void inc_dentry_nr() { | |
811 | ++dentry_nr; | |
812 | } | |
813 | void dec_dentry_nr() { | |
814 | --dentry_nr; | |
815 | } | |
816 | void dlease_hit() { | |
817 | ++dlease_hits; | |
818 | } | |
819 | void dlease_miss() { | |
820 | ++dlease_misses; | |
821 | } | |
822 | std::tuple<uint64_t, uint64_t, uint64_t> get_dlease_hit_rates() { | |
823 | return std::make_tuple(dlease_hits, dlease_misses, dentry_nr); | |
824 | } | |
825 | ||
826 | void cap_hit() { | |
827 | ++cap_hits; | |
828 | } | |
829 | void cap_miss() { | |
830 | ++cap_misses; | |
831 | } | |
832 | std::pair<uint64_t, uint64_t> get_cap_hit_rates() { | |
833 | return std::make_pair(cap_hits, cap_misses); | |
834 | } | |
835 | ||
836 | void inc_opened_files() { | |
837 | ++opened_files; | |
838 | } | |
839 | void dec_opened_files() { | |
840 | --opened_files; | |
841 | } | |
842 | std::pair<uint64_t, uint64_t> get_opened_files_rates() { | |
843 | return std::make_pair(opened_files, inode_map.size()); | |
844 | } | |
845 | ||
846 | void inc_pinned_icaps() { | |
847 | ++pinned_icaps; | |
848 | } | |
849 | void dec_pinned_icaps(uint64_t nr=1) { | |
850 | pinned_icaps -= nr; | |
851 | } | |
852 | std::pair<uint64_t, uint64_t> get_pinned_icaps_rates() { | |
853 | return std::make_pair(pinned_icaps, inode_map.size()); | |
854 | } | |
855 | ||
856 | void inc_opened_inodes() { | |
857 | ++opened_inodes; | |
858 | } | |
859 | void dec_opened_inodes() { | |
860 | --opened_inodes; | |
861 | } | |
862 | std::pair<uint64_t, uint64_t> get_opened_inodes_rates() { | |
863 | return std::make_pair(opened_inodes, inode_map.size()); | |
864 | } | |
11fdf7f2 TL |
865 | |
866 | xlist<Inode*> &get_dirty_list() { return dirty_list; } | |
867 | ||
f67539c2 TL |
868 | /* timer_lock for 'timer' */ |
869 | ceph::mutex timer_lock = ceph::make_mutex("Client::timer_lock"); | |
11fdf7f2 TL |
870 | SafeTimer timer; |
871 | ||
f67539c2 TL |
872 | /* tick thread */ |
873 | std::thread upkeeper; | |
874 | ceph::condition_variable upkeep_cond; | |
875 | bool tick_thread_stopped = false; | |
876 | ||
11fdf7f2 TL |
877 | std::unique_ptr<PerfCounters> logger; |
878 | std::unique_ptr<MDSMap> mdsmap; | |
879 | ||
92f5a8d4 | 880 | bool fuse_default_permissions; |
11fdf7f2 TL |
881 | |
882 | protected: | |
883 | /* Flags for check_caps() */ | |
884 | static const unsigned CHECK_CAPS_NODELAY = 0x1; | |
885 | static const unsigned CHECK_CAPS_SYNCHRONOUS = 0x2; | |
886 | ||
11fdf7f2 TL |
887 | void check_caps(Inode *in, unsigned flags); |
888 | ||
889 | void set_cap_epoch_barrier(epoch_t e); | |
890 | ||
891 | void handle_command_reply(const MConstRef<MCommandReply>& m); | |
892 | int fetch_fsmap(bool user); | |
893 | int resolve_mds( | |
894 | const std::string &mds_spec, | |
895 | std::vector<mds_gid_t> *targets); | |
896 | ||
897 | void get_session_metadata(std::map<std::string, std::string> *meta) const; | |
898 | bool have_open_session(mds_rank_t mds); | |
899 | void got_mds_push(MetaSession *s); | |
900 | MetaSession *_get_mds_session(mds_rank_t mds, Connection *con); ///< return session for mds *and* con; null otherwise | |
901 | MetaSession *_get_or_open_mds_session(mds_rank_t mds); | |
902 | MetaSession *_open_mds_session(mds_rank_t mds); | |
903 | void _close_mds_session(MetaSession *s); | |
f6b5b4d7 | 904 | void _closed_mds_session(MetaSession *s, int err=0, bool rejected=false); |
11fdf7f2 TL |
905 | bool _any_stale_sessions() const; |
906 | void _kick_stale_sessions(); | |
907 | void handle_client_session(const MConstRef<MClientSession>& m); | |
908 | void send_reconnect(MetaSession *s); | |
909 | void resend_unsafe_requests(MetaSession *s); | |
910 | void wait_unsafe_requests(); | |
911 | ||
11fdf7f2 | 912 | void dump_mds_requests(Formatter *f); |
adb31ebb | 913 | void dump_mds_sessions(Formatter *f, bool cap_dump=false); |
11fdf7f2 TL |
914 | |
915 | int make_request(MetaRequest *req, const UserPerm& perms, | |
916 | InodeRef *ptarget = 0, bool *pcreated = 0, | |
917 | mds_rank_t use_mds=-1, bufferlist *pdirbl=0); | |
918 | void put_request(MetaRequest *request); | |
919 | void unregister_request(MetaRequest *request); | |
920 | ||
9f95a23c TL |
921 | int verify_reply_trace(int r, MetaSession *session, MetaRequest *request, |
922 | const MConstRef<MClientReply>& reply, | |
11fdf7f2 TL |
923 | InodeRef *ptarget, bool *pcreated, |
924 | const UserPerm& perms); | |
925 | void encode_cap_releases(MetaRequest *request, mds_rank_t mds); | |
926 | int encode_inode_release(Inode *in, MetaRequest *req, | |
7c673cae FG |
927 | mds_rank_t mds, int drop, |
928 | int unless,int force=0); | |
929 | void encode_dentry_release(Dentry *dn, MetaRequest *req, | |
930 | mds_rank_t mds, int drop, int unless); | |
931 | mds_rank_t choose_target_mds(MetaRequest *req, Inode** phash_diri=NULL); | |
932 | void connect_mds_targets(mds_rank_t mds); | |
933 | void send_request(MetaRequest *request, MetaSession *session, | |
934 | bool drop_cap_releases=false); | |
11fdf7f2 | 935 | MRef<MClientRequest> build_client_request(MetaRequest *request); |
7c673cae FG |
936 | void kick_requests(MetaSession *session); |
937 | void kick_requests_closed(MetaSession *session); | |
11fdf7f2 TL |
938 | void handle_client_request_forward(const MConstRef<MClientRequestForward>& reply); |
939 | void handle_client_reply(const MConstRef<MClientReply>& reply); | |
7c673cae FG |
940 | bool is_dir_operation(MetaRequest *request); |
941 | ||
b3b6e05e TL |
942 | int path_walk(const filepath& fp, struct walk_dentry_result* result, const UserPerm& perms, bool followsym=true, int mask=0, |
943 | InodeRef dirinode=nullptr); | |
f67539c2 | 944 | int path_walk(const filepath& fp, InodeRef *end, const UserPerm& perms, |
b3b6e05e | 945 | bool followsym=true, int mask=0, InodeRef dirinode=nullptr); |
f67539c2 | 946 | |
7c673cae | 947 | // fake inode number for 32-bits ino_t |
7c673cae | 948 | void _assign_faked_ino(Inode *in); |
11fdf7f2 | 949 | void _assign_faked_root(Inode *in); |
7c673cae | 950 | void _release_faked_ino(Inode *in); |
7c673cae FG |
951 | void _reset_faked_inos(); |
952 | vinodeno_t _map_faked_ino(ino_t ino); | |
953 | ||
7c673cae | 954 | // Optional extra metadata about me to send to the MDS |
7c673cae FG |
955 | void populate_metadata(const std::string &mount_root); |
956 | ||
7c673cae FG |
957 | SnapRealm *get_snap_realm(inodeno_t r); |
958 | SnapRealm *get_snap_realm_maybe(inodeno_t r); | |
959 | void put_snap_realm(SnapRealm *realm); | |
960 | bool adjust_realm_parent(SnapRealm *realm, inodeno_t parent); | |
11fdf7f2 | 961 | void update_snap_trace(const bufferlist& bl, SnapRealm **realm_ret, bool must_flush=true); |
7c673cae FG |
962 | void invalidate_snaprealm_and_children(SnapRealm *realm); |
963 | ||
964 | Inode *open_snapdir(Inode *diri); | |
965 | ||
7c673cae FG |
966 | int get_fd() { |
967 | int fd = free_fd_set.range_start(); | |
968 | free_fd_set.erase(fd, 1); | |
969 | return fd; | |
970 | } | |
971 | void put_fd(int fd) { | |
972 | free_fd_set.insert(fd, 1); | |
973 | } | |
974 | ||
975 | /* | |
976 | * Resolve file descriptor, or return NULL. | |
977 | */ | |
978 | Fh *get_filehandle(int fd) { | |
f67539c2 TL |
979 | auto it = fd_map.find(fd); |
980 | if (it == fd_map.end()) | |
7c673cae | 981 | return NULL; |
f67539c2 | 982 | return it->second; |
7c673cae | 983 | } |
b3b6e05e | 984 | int get_fd_inode(int fd, InodeRef *in); |
7c673cae | 985 | |
7c673cae | 986 | // helpers |
a8e16298 | 987 | void wake_up_session_caps(MetaSession *s, bool reconnect); |
7c673cae FG |
988 | |
989 | void wait_on_context_list(list<Context*>& ls); | |
990 | void signal_context_list(list<Context*>& ls); | |
991 | ||
992 | // -- metadata cache stuff | |
993 | ||
994 | // decrease inode ref. delete if dangling. | |
f67539c2 TL |
995 | void _put_inode(Inode *in, int n); |
996 | void delay_put_inodes(bool wakeup=false); | |
7c673cae FG |
997 | void put_inode(Inode *in, int n=1); |
998 | void close_dir(Dir *dir); | |
999 | ||
11fdf7f2 | 1000 | int subscribe_mdsmap(const std::string &fs_name=""); |
b32b8144 | 1001 | |
11fdf7f2 TL |
1002 | void _abort_mds_sessions(int err); |
1003 | ||
1004 | // same as unmount() but for when the client_lock is already held | |
1005 | void _unmount(bool abort); | |
7c673cae FG |
1006 | |
1007 | //int get_cache_size() { return lru.lru_get_size(); } | |
7c673cae FG |
1008 | |
1009 | /** | |
1010 | * Don't call this with in==NULL, use get_or_create for that | |
1011 | * leave dn set to default NULL unless you're trying to add | |
1012 | * a new inode to a pre-created Dentry | |
1013 | */ | |
1014 | Dentry* link(Dir *dir, const string& name, Inode *in, Dentry *dn); | |
1015 | void unlink(Dentry *dn, bool keepdir, bool keepdentry); | |
1016 | ||
7c673cae FG |
1017 | int fill_stat(Inode *in, struct stat *st, frag_info_t *dirstat=0, nest_info_t *rstat=0); |
1018 | int fill_stat(InodeRef& in, struct stat *st, frag_info_t *dirstat=0, nest_info_t *rstat=0) { | |
1019 | return fill_stat(in.get(), st, dirstat, rstat); | |
1020 | } | |
1021 | ||
1022 | void fill_statx(Inode *in, unsigned int mask, struct ceph_statx *stx); | |
1023 | void fill_statx(InodeRef& in, unsigned int mask, struct ceph_statx *stx) { | |
1024 | return fill_statx(in.get(), mask, stx); | |
1025 | } | |
1026 | ||
1027 | void touch_dn(Dentry *dn); | |
1028 | ||
1029 | // trim cache. | |
1030 | void trim_cache(bool trim_kernel_dcache=false); | |
1031 | void trim_cache_for_reconnect(MetaSession *s); | |
1032 | void trim_dentry(Dentry *dn); | |
28e407b8 | 1033 | void trim_caps(MetaSession *s, uint64_t max); |
7c673cae | 1034 | void _invalidate_kernel_dcache(); |
91327a77 | 1035 | void _trim_negative_child_dentries(InodeRef& in); |
11fdf7f2 | 1036 | |
7c673cae FG |
1037 | void dump_inode(Formatter *f, Inode *in, set<Inode*>& did, bool disconnected); |
1038 | void dump_cache(Formatter *f); // debug | |
1039 | ||
1040 | // force read-only | |
1041 | void force_session_readonly(MetaSession *s); | |
1042 | ||
1043 | void dump_status(Formatter *f); // debug | |
7c673cae | 1044 | |
11fdf7f2 | 1045 | bool ms_dispatch2(const MessageRef& m) override; |
7c673cae FG |
1046 | |
1047 | void ms_handle_connect(Connection *con) override; | |
1048 | bool ms_handle_reset(Connection *con) override; | |
1049 | void ms_handle_remote_reset(Connection *con) override; | |
1050 | bool ms_handle_refused(Connection *con) override; | |
7c673cae FG |
1051 | |
1052 | int authenticate(); | |
1053 | ||
1054 | Inode* get_quota_root(Inode *in, const UserPerm& perms); | |
1055 | bool check_quota_condition(Inode *in, const UserPerm& perms, | |
1056 | std::function<bool (const Inode &)> test); | |
1057 | bool is_quota_files_exceeded(Inode *in, const UserPerm& perms); | |
1058 | bool is_quota_bytes_exceeded(Inode *in, int64_t new_bytes, | |
11fdf7f2 TL |
1059 | const UserPerm& perms); |
1060 | bool is_quota_bytes_approaching(Inode *in, const UserPerm& perms); | |
7c673cae | 1061 | |
7c673cae FG |
1062 | int check_pool_perm(Inode *in, int need); |
1063 | ||
11fdf7f2 TL |
1064 | void handle_client_reclaim_reply(const MConstRef<MClientReclaimReply>& reply); |
1065 | ||
7c673cae FG |
1066 | /** |
1067 | * Call this when an OSDMap is seen with a full flag (global or per pool) | |
1068 | * set. | |
1069 | * | |
1070 | * @param pool the pool ID affected, or -1 if all. | |
1071 | */ | |
1072 | void _handle_full_flag(int64_t pool); | |
1073 | ||
1074 | void _close_sessions(); | |
1075 | ||
e306af50 TL |
1076 | void _pre_init(); |
1077 | ||
7c673cae FG |
1078 | /** |
1079 | * The basic housekeeping parts of init (perf counters, admin socket) | |
1080 | * that is independent of how objecters/monclient/messengers are | |
1081 | * being set up. | |
1082 | */ | |
1083 | void _finish_init(); | |
1084 | ||
11fdf7f2 TL |
1085 | // global client lock |
1086 | // - protects Client and buffer cache both! | |
9f95a23c | 1087 | ceph::mutex client_lock = ceph::make_mutex("Client::client_lock"); |
7c673cae | 1088 | |
11fdf7f2 | 1089 | std::map<snapid_t, int> ll_snap_ref; |
7c673cae | 1090 | |
b3b6e05e | 1091 | InodeRef root = nullptr; |
11fdf7f2 TL |
1092 | map<Inode*, InodeRef> root_parents; |
1093 | Inode* root_ancestor = nullptr; | |
1094 | LRU lru; // lru list of Dentry's in our local metadata cache. | |
7c673cae | 1095 | |
11fdf7f2 | 1096 | InodeRef cwd; |
7c673cae | 1097 | |
11fdf7f2 TL |
1098 | std::unique_ptr<Filer> filer; |
1099 | std::unique_ptr<ObjectCacher> objectcacher; | |
1100 | std::unique_ptr<WritebackHandler> writeback_handler; | |
7c673cae | 1101 | |
11fdf7f2 TL |
1102 | Messenger *messenger; |
1103 | MonClient *monclient; | |
1104 | Objecter *objecter; | |
7c673cae | 1105 | |
11fdf7f2 | 1106 | client_t whoami; |
7c673cae | 1107 | |
f67539c2 TL |
1108 | /* The state migration mechanism */ |
1109 | enum _state { | |
1110 | /* For the initialize_state */ | |
1111 | CLIENT_NEW, // The initial state for the initialize_state or after Client::shutdown() | |
1112 | CLIENT_INITIALIZING, // At the beginning of the Client::init() | |
1113 | CLIENT_INITIALIZED, // At the end of CLient::init() | |
1114 | ||
1115 | /* For the mount_state */ | |
1116 | CLIENT_UNMOUNTED, // The initial state for the mount_state or after unmounted | |
1117 | CLIENT_MOUNTING, // At the beginning of Client::mount() | |
1118 | CLIENT_MOUNTED, // At the end of Client::mount() | |
1119 | CLIENT_UNMOUNTING, // At the beginning of the Client::_unmout() | |
1120 | }; | |
1121 | ||
1122 | typedef enum _state state_t; | |
1123 | using RWRef_t = RWRef<state_t>; | |
1124 | ||
1125 | struct mount_state_t : public RWRefState<state_t> { | |
1126 | public: | |
1127 | bool is_valid_state(state_t state) const override { | |
1128 | switch (state) { | |
1129 | case Client::CLIENT_MOUNTING: | |
1130 | case Client::CLIENT_MOUNTED: | |
1131 | case Client::CLIENT_UNMOUNTING: | |
1132 | case Client::CLIENT_UNMOUNTED: | |
1133 | return true; | |
1134 | default: | |
1135 | return false; | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | int check_reader_state(state_t require) const override { | |
1140 | if (require == Client::CLIENT_MOUNTING && | |
1141 | (state == Client::CLIENT_MOUNTING || state == Client::CLIENT_MOUNTED)) | |
1142 | return true; | |
1143 | else | |
1144 | return false; | |
1145 | } | |
1146 | ||
1147 | /* The state migration check */ | |
1148 | int check_writer_state(state_t require) const override { | |
1149 | if (require == Client::CLIENT_MOUNTING && | |
1150 | state == Client::CLIENT_UNMOUNTED) | |
1151 | return true; | |
1152 | else if (require == Client::CLIENT_MOUNTED && | |
1153 | state == Client::CLIENT_MOUNTING) | |
1154 | return true; | |
1155 | else if (require == Client::CLIENT_UNMOUNTING && | |
1156 | state == Client::CLIENT_MOUNTED) | |
1157 | return true; | |
1158 | else if (require == Client::CLIENT_UNMOUNTED && | |
1159 | state == Client::CLIENT_UNMOUNTING) | |
1160 | return true; | |
1161 | else | |
1162 | return false; | |
1163 | } | |
1164 | ||
1165 | mount_state_t(state_t state, const char *lockname, uint64_t reader_cnt=0) | |
1166 | : RWRefState (state, lockname, reader_cnt) {} | |
1167 | ~mount_state_t() {} | |
1168 | }; | |
1169 | ||
1170 | struct initialize_state_t : public RWRefState<state_t> { | |
1171 | public: | |
1172 | bool is_valid_state(state_t state) const override { | |
1173 | switch (state) { | |
1174 | case Client::CLIENT_NEW: | |
1175 | case Client::CLIENT_INITIALIZING: | |
1176 | case Client::CLIENT_INITIALIZED: | |
1177 | return true; | |
1178 | default: | |
1179 | return false; | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | int check_reader_state(state_t require) const override { | |
1184 | if (require == Client::CLIENT_INITIALIZED && | |
1185 | state >= Client::CLIENT_INITIALIZED) | |
1186 | return true; | |
1187 | else | |
1188 | return false; | |
1189 | } | |
1190 | ||
1191 | /* The state migration check */ | |
1192 | int check_writer_state(state_t require) const override { | |
1193 | if (require == Client::CLIENT_INITIALIZING && | |
1194 | (state == Client::CLIENT_NEW)) | |
1195 | return true; | |
1196 | else if (require == Client::CLIENT_INITIALIZED && | |
1197 | (state == Client::CLIENT_INITIALIZING)) | |
1198 | return true; | |
1199 | else if (require == Client::CLIENT_NEW && | |
1200 | (state == Client::CLIENT_INITIALIZED)) | |
1201 | return true; | |
1202 | else | |
1203 | return false; | |
1204 | } | |
1205 | ||
1206 | initialize_state_t(state_t state, const char *lockname, uint64_t reader_cnt=0) | |
1207 | : RWRefState (state, lockname, reader_cnt) {} | |
1208 | ~initialize_state_t() {} | |
1209 | }; | |
1210 | ||
1211 | struct mount_state_t mount_state; | |
1212 | struct initialize_state_t initialize_state; | |
7c673cae | 1213 | |
11fdf7f2 TL |
1214 | private: |
1215 | struct C_Readahead : public Context { | |
1216 | C_Readahead(Client *c, Fh *f); | |
1217 | ~C_Readahead() override; | |
1218 | void finish(int r) override; | |
7c673cae | 1219 | |
11fdf7f2 TL |
1220 | Client *client; |
1221 | Fh *f; | |
1222 | }; | |
7c673cae | 1223 | |
11fdf7f2 TL |
1224 | /* |
1225 | * These define virtual xattrs exposing the recursive directory | |
1226 | * statistics and layout metadata. | |
1227 | */ | |
1228 | struct VXattr { | |
1229 | const string name; | |
1230 | size_t (Client::*getxattr_cb)(Inode *in, char *val, size_t size); | |
9f95a23c | 1231 | bool readonly; |
11fdf7f2 TL |
1232 | bool (Client::*exists_cb)(Inode *in); |
1233 | unsigned int flags; | |
1234 | }; | |
7c673cae | 1235 | |
11fdf7f2 TL |
1236 | enum { |
1237 | NO_ACL = 0, | |
1238 | POSIX_ACL, | |
1239 | }; | |
7c673cae | 1240 | |
11fdf7f2 TL |
1241 | enum { |
1242 | MAY_EXEC = 1, | |
1243 | MAY_WRITE = 2, | |
1244 | MAY_READ = 4, | |
1245 | }; | |
7c673cae | 1246 | |
f67539c2 | 1247 | std::unique_ptr<CephContext, std::function<void(CephContext*)>> cct_deleter; |
7c673cae | 1248 | |
11fdf7f2 TL |
1249 | /* Flags for VXattr */ |
1250 | static const unsigned VXATTR_RSTAT = 0x1; | |
adb31ebb | 1251 | static const unsigned VXATTR_DIRSTAT = 0x2; |
7c673cae | 1252 | |
11fdf7f2 TL |
1253 | static const VXattr _dir_vxattrs[]; |
1254 | static const VXattr _file_vxattrs[]; | |
adb31ebb | 1255 | static const VXattr _common_vxattrs[]; |
1adf2230 | 1256 | |
7c673cae | 1257 | |
b3b6e05e | 1258 | bool is_reserved_vino(vinodeno_t &vino); |
7c673cae FG |
1259 | |
1260 | void fill_dirent(struct dirent *de, const char *name, int type, uint64_t ino, loff_t next_off); | |
1261 | ||
7c673cae FG |
1262 | int _opendir(Inode *in, dir_result_t **dirpp, const UserPerm& perms); |
1263 | void _readdir_drop_dirp_buffer(dir_result_t *dirp); | |
1264 | bool _readdir_have_frag(dir_result_t *dirp); | |
1265 | void _readdir_next_frag(dir_result_t *dirp); | |
1266 | void _readdir_rechoose_frag(dir_result_t *dirp); | |
1267 | int _readdir_get_frag(dir_result_t *dirp); | |
1268 | int _readdir_cache_cb(dir_result_t *dirp, add_dirent_cb_t cb, void *p, int caps, bool getref); | |
1269 | void _closedir(dir_result_t *dirp); | |
1270 | ||
1271 | // other helpers | |
1272 | void _fragmap_remove_non_leaves(Inode *in); | |
1273 | void _fragmap_remove_stopped_mds(Inode *in, mds_rank_t mds); | |
1274 | ||
1275 | void _ll_get(Inode *in); | |
494da23a | 1276 | int _ll_put(Inode *in, uint64_t num); |
7c673cae FG |
1277 | void _ll_drop_pins(); |
1278 | ||
1279 | Fh *_create_fh(Inode *in, int flags, int cmode, const UserPerm& perms); | |
1280 | int _release_fh(Fh *fh); | |
1281 | void _put_fh(Fh *fh); | |
1282 | ||
91327a77 | 1283 | int _do_remount(bool retry_on_error); |
7c673cae FG |
1284 | |
1285 | int _read_sync(Fh *f, uint64_t off, uint64_t len, bufferlist *bl, bool *checkeof); | |
1286 | int _read_async(Fh *f, uint64_t off, uint64_t len, bufferlist *bl); | |
1287 | ||
f67539c2 TL |
1288 | bool _dentry_valid(const Dentry *dn); |
1289 | ||
7c673cae FG |
1290 | // internal interface |
1291 | // call these with client_lock held! | |
1292 | int _do_lookup(Inode *dir, const string& name, int mask, InodeRef *target, | |
1293 | const UserPerm& perms); | |
1294 | ||
1295 | int _lookup(Inode *dir, const string& dname, int mask, InodeRef *target, | |
f67539c2 | 1296 | const UserPerm& perm, std::string* alternate_name=nullptr); |
7c673cae | 1297 | |
f67539c2 | 1298 | int _link(Inode *in, Inode *dir, const char *name, const UserPerm& perm, std::string alternate_name, |
7c673cae FG |
1299 | InodeRef *inp = 0); |
1300 | int _unlink(Inode *dir, const char *name, const UserPerm& perm); | |
f67539c2 | 1301 | int _rename(Inode *olddir, const char *oname, Inode *ndir, const char *nname, const UserPerm& perm, std::string alternate_name); |
7c673cae | 1302 | int _mkdir(Inode *dir, const char *name, mode_t mode, const UserPerm& perm, |
f67539c2 TL |
1303 | InodeRef *inp = 0, const std::map<std::string, std::string> &metadata={}, |
1304 | std::string alternate_name=""); | |
7c673cae FG |
1305 | int _rmdir(Inode *dir, const char *name, const UserPerm& perms); |
1306 | int _symlink(Inode *dir, const char *name, const char *target, | |
f67539c2 | 1307 | const UserPerm& perms, std::string alternate_name, InodeRef *inp = 0); |
7c673cae FG |
1308 | int _mknod(Inode *dir, const char *name, mode_t mode, dev_t rdev, |
1309 | const UserPerm& perms, InodeRef *inp = 0); | |
1310 | int _do_setattr(Inode *in, struct ceph_statx *stx, int mask, | |
1311 | const UserPerm& perms, InodeRef *inp); | |
1312 | void stat_to_statx(struct stat *st, struct ceph_statx *stx); | |
1313 | int __setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
1314 | const UserPerm& perms, InodeRef *inp = 0); | |
1315 | int _setattrx(InodeRef &in, struct ceph_statx *stx, int mask, | |
1316 | const UserPerm& perms); | |
1317 | int _setattr(InodeRef &in, struct stat *attr, int mask, | |
1318 | const UserPerm& perms); | |
1319 | int _ll_setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
1320 | const UserPerm& perms, InodeRef *inp = 0); | |
1321 | int _getattr(Inode *in, int mask, const UserPerm& perms, bool force=false); | |
1322 | int _getattr(InodeRef &in, int mask, const UserPerm& perms, bool force=false) { | |
1323 | return _getattr(in.get(), mask, perms, force); | |
1324 | } | |
1325 | int _readlink(Inode *in, char *buf, size_t size); | |
1326 | int _getxattr(Inode *in, const char *name, void *value, size_t len, | |
1327 | const UserPerm& perms); | |
1328 | int _getxattr(InodeRef &in, const char *name, void *value, size_t len, | |
1329 | const UserPerm& perms); | |
1330 | int _listxattr(Inode *in, char *names, size_t len, const UserPerm& perms); | |
1331 | int _do_setxattr(Inode *in, const char *name, const void *value, size_t len, | |
1332 | int flags, const UserPerm& perms); | |
1333 | int _setxattr(Inode *in, const char *name, const void *value, size_t len, | |
1334 | int flags, const UserPerm& perms); | |
1335 | int _setxattr(InodeRef &in, const char *name, const void *value, size_t len, | |
1336 | int flags, const UserPerm& perms); | |
1337 | int _setxattr_check_data_pool(string& name, string& value, const OSDMap *osdmap); | |
1338 | void _setxattr_maybe_wait_for_osdmap(const char *name, const void *value, size_t len); | |
1339 | int _removexattr(Inode *in, const char *nm, const UserPerm& perms); | |
1340 | int _removexattr(InodeRef &in, const char *nm, const UserPerm& perms); | |
1341 | int _open(Inode *in, int flags, mode_t mode, Fh **fhp, | |
1342 | const UserPerm& perms); | |
1343 | int _renew_caps(Inode *in); | |
1344 | int _create(Inode *in, const char *name, int flags, mode_t mode, InodeRef *inp, | |
1345 | Fh **fhp, int stripe_unit, int stripe_count, int object_size, | |
f67539c2 TL |
1346 | const char *data_pool, bool *created, const UserPerm &perms, |
1347 | std::string alternate_name); | |
7c673cae FG |
1348 | |
1349 | loff_t _lseek(Fh *fh, loff_t offset, int whence); | |
11fdf7f2 TL |
1350 | int64_t _read(Fh *fh, int64_t offset, uint64_t size, bufferlist *bl); |
1351 | int64_t _write(Fh *fh, int64_t offset, uint64_t size, const char *buf, | |
7c673cae | 1352 | const struct iovec *iov, int iovcnt); |
f67539c2 TL |
1353 | int64_t _preadv_pwritev_locked(Fh *fh, const struct iovec *iov, |
1354 | unsigned iovcnt, int64_t offset, | |
1355 | bool write, bool clamp_to_int, | |
1356 | std::unique_lock<ceph::mutex> &cl); | |
7c673cae FG |
1357 | int _preadv_pwritev(int fd, const struct iovec *iov, unsigned iovcnt, int64_t offset, bool write); |
1358 | int _flush(Fh *fh); | |
1359 | int _fsync(Fh *fh, bool syncdataonly); | |
1360 | int _fsync(Inode *in, bool syncdataonly); | |
1361 | int _sync_fs(); | |
1362 | int _fallocate(Fh *fh, int mode, int64_t offset, int64_t length); | |
1363 | int _getlk(Fh *fh, struct flock *fl, uint64_t owner); | |
1364 | int _setlk(Fh *fh, struct flock *fl, uint64_t owner, int sleep); | |
1365 | int _flock(Fh *fh, int cmd, uint64_t owner); | |
11fdf7f2 | 1366 | int _lazyio(Fh *fh, int enable); |
7c673cae FG |
1367 | |
1368 | int get_or_create(Inode *dir, const char* name, | |
1369 | Dentry **pdn, bool expect_null=false); | |
1370 | ||
7c673cae FG |
1371 | int xattr_permission(Inode *in, const char *name, unsigned want, |
1372 | const UserPerm& perms); | |
1373 | int may_setattr(Inode *in, struct ceph_statx *stx, int mask, | |
1374 | const UserPerm& perms); | |
1375 | int may_open(Inode *in, int flags, const UserPerm& perms); | |
1376 | int may_lookup(Inode *dir, const UserPerm& perms); | |
1377 | int may_create(Inode *dir, const UserPerm& perms); | |
1378 | int may_delete(Inode *dir, const char *name, const UserPerm& perms); | |
1379 | int may_hardlink(Inode *in, const UserPerm& perms); | |
1380 | ||
1381 | int _getattr_for_perm(Inode *in, const UserPerm& perms); | |
7c673cae FG |
1382 | |
1383 | vinodeno_t _get_vino(Inode *in); | |
28e407b8 | 1384 | |
7c673cae FG |
1385 | bool _vxattrcb_quota_exists(Inode *in); |
1386 | size_t _vxattrcb_quota(Inode *in, char *val, size_t size); | |
1387 | size_t _vxattrcb_quota_max_bytes(Inode *in, char *val, size_t size); | |
1388 | size_t _vxattrcb_quota_max_files(Inode *in, char *val, size_t size); | |
1389 | ||
1390 | bool _vxattrcb_layout_exists(Inode *in); | |
1391 | size_t _vxattrcb_layout(Inode *in, char *val, size_t size); | |
1392 | size_t _vxattrcb_layout_stripe_unit(Inode *in, char *val, size_t size); | |
1393 | size_t _vxattrcb_layout_stripe_count(Inode *in, char *val, size_t size); | |
1394 | size_t _vxattrcb_layout_object_size(Inode *in, char *val, size_t size); | |
1395 | size_t _vxattrcb_layout_pool(Inode *in, char *val, size_t size); | |
1396 | size_t _vxattrcb_layout_pool_namespace(Inode *in, char *val, size_t size); | |
1397 | size_t _vxattrcb_dir_entries(Inode *in, char *val, size_t size); | |
1398 | size_t _vxattrcb_dir_files(Inode *in, char *val, size_t size); | |
1399 | size_t _vxattrcb_dir_subdirs(Inode *in, char *val, size_t size); | |
1400 | size_t _vxattrcb_dir_rentries(Inode *in, char *val, size_t size); | |
1401 | size_t _vxattrcb_dir_rfiles(Inode *in, char *val, size_t size); | |
1402 | size_t _vxattrcb_dir_rsubdirs(Inode *in, char *val, size_t size); | |
f67539c2 | 1403 | size_t _vxattrcb_dir_rsnaps(Inode *in, char *val, size_t size); |
7c673cae FG |
1404 | size_t _vxattrcb_dir_rbytes(Inode *in, char *val, size_t size); |
1405 | size_t _vxattrcb_dir_rctime(Inode *in, char *val, size_t size); | |
7c673cae | 1406 | |
11fdf7f2 TL |
1407 | bool _vxattrcb_dir_pin_exists(Inode *in); |
1408 | size_t _vxattrcb_dir_pin(Inode *in, char *val, size_t size); | |
1409 | ||
81eedcae TL |
1410 | bool _vxattrcb_snap_btime_exists(Inode *in); |
1411 | size_t _vxattrcb_snap_btime(Inode *in, char *val, size_t size); | |
7c673cae | 1412 | |
f67539c2 TL |
1413 | bool _vxattrcb_mirror_info_exists(Inode *in); |
1414 | size_t _vxattrcb_mirror_info(Inode *in, char *val, size_t size); | |
1415 | ||
adb31ebb TL |
1416 | size_t _vxattrcb_cluster_fsid(Inode *in, char *val, size_t size); |
1417 | size_t _vxattrcb_client_id(Inode *in, char *val, size_t size); | |
1418 | ||
7c673cae FG |
1419 | static const VXattr *_get_vxattrs(Inode *in); |
1420 | static const VXattr *_match_vxattr(Inode *in, const char *name); | |
1421 | ||
7c673cae FG |
1422 | int _do_filelock(Inode *in, Fh *fh, int lock_type, int op, int sleep, |
1423 | struct flock *fl, uint64_t owner, bool removing=false); | |
1424 | int _interrupt_filelock(MetaRequest *req); | |
1425 | void _encode_filelocks(Inode *in, bufferlist& bl); | |
1426 | void _release_filelocks(Fh *fh); | |
1427 | void _update_lock_state(struct flock *fl, uint64_t owner, ceph_lock_state_t *lock_state); | |
1428 | ||
1429 | int _posix_acl_create(Inode *dir, mode_t *mode, bufferlist& xattrs_bl, | |
1430 | const UserPerm& perms); | |
1431 | int _posix_acl_chmod(Inode *in, mode_t mode, const UserPerm& perms); | |
1432 | int _posix_acl_permission(Inode *in, const UserPerm& perms, unsigned want); | |
1433 | ||
1434 | mds_rank_t _get_random_up_mds() const; | |
1435 | ||
1436 | int _ll_getattr(Inode *in, int caps, const UserPerm& perms); | |
1adf2230 AA |
1437 | int _lookup_parent(Inode *in, const UserPerm& perms, Inode **parent=NULL); |
1438 | int _lookup_name(Inode *in, Inode *parent, const UserPerm& perms); | |
f67539c2 | 1439 | int _lookup_vino(vinodeno_t ino, const UserPerm& perms, Inode **inode=NULL); |
494da23a | 1440 | bool _ll_forget(Inode *in, uint64_t count); |
7c673cae | 1441 | |
f67539c2 TL |
1442 | void collect_and_send_metrics(); |
1443 | void collect_and_send_global_metrics(); | |
7c673cae | 1444 | |
11fdf7f2 | 1445 | uint32_t deleg_timeout = 0; |
7c673cae | 1446 | |
11fdf7f2 TL |
1447 | client_switch_interrupt_callback_t switch_interrupt_cb = nullptr; |
1448 | client_remount_callback_t remount_cb = nullptr; | |
1449 | client_ino_callback_t ino_invalidate_cb = nullptr; | |
1450 | client_dentry_callback_t dentry_invalidate_cb = nullptr; | |
1451 | client_umask_callback_t umask_cb = nullptr; | |
e306af50 | 1452 | client_ino_release_t ino_release_cb = nullptr; |
11fdf7f2 TL |
1453 | void *callback_handle = nullptr; |
1454 | bool can_invalidate_dentries = false; | |
7c673cae | 1455 | |
11fdf7f2 TL |
1456 | Finisher async_ino_invalidator; |
1457 | Finisher async_dentry_invalidator; | |
1458 | Finisher interrupt_finisher; | |
1459 | Finisher remount_finisher; | |
e306af50 | 1460 | Finisher async_ino_releasor; |
11fdf7f2 | 1461 | Finisher objecter_finisher; |
7c673cae | 1462 | |
11fdf7f2 | 1463 | utime_t last_cap_renew; |
7c673cae | 1464 | |
11fdf7f2 | 1465 | CommandHook m_command_hook; |
7c673cae | 1466 | |
11fdf7f2 TL |
1467 | int user_id, group_id; |
1468 | int acl_type = NO_ACL; | |
7c673cae | 1469 | |
11fdf7f2 | 1470 | epoch_t cap_epoch_barrier = 0; |
7c673cae | 1471 | |
11fdf7f2 TL |
1472 | // mds sessions |
1473 | map<mds_rank_t, MetaSession> mds_sessions; // mds -> push seq | |
f6b5b4d7 | 1474 | std::set<mds_rank_t> mds_ranks_closing; // mds ranks currently tearing down sessions |
9f95a23c | 1475 | std::list<ceph::condition_variable*> waiting_for_mdsmap; |
7c673cae | 1476 | |
11fdf7f2 | 1477 | // FSMap, for when using mds_command |
9f95a23c | 1478 | std::list<ceph::condition_variable*> waiting_for_fsmap; |
11fdf7f2 TL |
1479 | std::unique_ptr<FSMap> fsmap; |
1480 | std::unique_ptr<FSMapUser> fsmap_user; | |
7c673cae | 1481 | |
f67539c2 TL |
1482 | // This mutex only protects command_table |
1483 | ceph::mutex command_lock = ceph::make_mutex("Client::command_lock"); | |
11fdf7f2 TL |
1484 | // MDS command state |
1485 | CommandTable<MDSCommandOp> command_table; | |
7c673cae | 1486 | |
11fdf7f2 | 1487 | bool _use_faked_inos; |
7c673cae | 1488 | |
11fdf7f2 TL |
1489 | // Cluster fsid |
1490 | fs_cluster_id_t fscid; | |
7c673cae | 1491 | |
11fdf7f2 TL |
1492 | // file handles, etc. |
1493 | interval_set<int> free_fd_set; // unused fds | |
1494 | ceph::unordered_map<int, Fh*> fd_map; | |
1495 | set<Fh*> ll_unclosed_fh_set; | |
1496 | ceph::unordered_set<dir_result_t*> opened_dirs; | |
f6b5b4d7 | 1497 | uint64_t fd_gen = 1; |
7c673cae | 1498 | |
f67539c2 TL |
1499 | bool mount_aborted = false; |
1500 | bool blocklisted = false; | |
28e407b8 | 1501 | |
11fdf7f2 TL |
1502 | ceph::unordered_map<vinodeno_t, Inode*> inode_map; |
1503 | ceph::unordered_map<ino_t, vinodeno_t> faked_ino_map; | |
1504 | interval_set<ino_t> free_faked_inos; | |
1505 | ino_t last_used_faked_ino; | |
1506 | ino_t last_used_faked_root; | |
7c673cae | 1507 | |
f67539c2 | 1508 | int local_osd = -CEPHFS_ENXIO; |
11fdf7f2 | 1509 | epoch_t local_osd_epoch = 0; |
7c673cae | 1510 | |
11fdf7f2 TL |
1511 | // mds requests |
1512 | ceph_tid_t last_tid = 0; | |
1513 | ceph_tid_t oldest_tid = 0; // oldest incomplete mds request, excluding setfilelock requests | |
1514 | map<ceph_tid_t, MetaRequest*> mds_requests; | |
7c673cae | 1515 | |
11fdf7f2 TL |
1516 | // cap flushing |
1517 | ceph_tid_t last_flush_tid = 1; | |
7c673cae | 1518 | |
11fdf7f2 TL |
1519 | // dirty_list keeps all the dirty inodes before flushing. |
1520 | xlist<Inode*> delayed_list, dirty_list; | |
1521 | int num_flushing_caps = 0; | |
1522 | ceph::unordered_map<inodeno_t,SnapRealm*> snap_realms; | |
1523 | std::map<std::string, std::string> metadata; | |
7c673cae | 1524 | |
f6b5b4d7 TL |
1525 | utime_t last_auto_reconnect; |
1526 | ||
11fdf7f2 TL |
1527 | // trace generation |
1528 | ofstream traceout; | |
7c673cae | 1529 | |
9f95a23c | 1530 | ceph::condition_variable mount_cond, sync_cond; |
11fdf7f2 TL |
1531 | |
1532 | std::map<std::pair<int64_t,std::string>, int> pool_perms; | |
9f95a23c | 1533 | std::list<ceph::condition_variable*> waiting_for_pool_perm; |
91327a77 | 1534 | |
91327a77 | 1535 | uint64_t retries_on_invalidate = 0; |
11fdf7f2 TL |
1536 | |
1537 | // state reclaim | |
9f95a23c | 1538 | std::list<ceph::condition_variable*> waiting_for_reclaim; |
11fdf7f2 TL |
1539 | int reclaim_errno = 0; |
1540 | epoch_t reclaim_osd_epoch = 0; | |
1541 | entity_addrvec_t reclaim_target_addrs; | |
f67539c2 TL |
1542 | |
1543 | // dentry lease metrics | |
1544 | uint64_t dentry_nr = 0; | |
1545 | uint64_t dlease_hits = 0; | |
1546 | uint64_t dlease_misses = 0; | |
1547 | ||
1548 | uint64_t cap_hits = 0; | |
1549 | uint64_t cap_misses = 0; | |
1550 | ||
1551 | uint64_t opened_files = 0; | |
1552 | uint64_t pinned_icaps = 0; | |
1553 | uint64_t opened_inodes = 0; | |
1554 | ||
1555 | ceph::spinlock delay_i_lock; | |
1556 | std::map<Inode*,int> delay_i_release; | |
7c673cae FG |
1557 | }; |
1558 | ||
1559 | /** | |
1560 | * Specialization of Client that manages its own Objecter instance | |
1561 | * and handles init/shutdown of messenger/monclient | |
1562 | */ | |
1563 | class StandaloneClient : public Client | |
1564 | { | |
11fdf7f2 | 1565 | public: |
f67539c2 | 1566 | StandaloneClient(Messenger *m, MonClient *mc, boost::asio::io_context& ictx); |
7c673cae FG |
1567 | |
1568 | ~StandaloneClient() override; | |
1569 | ||
1570 | int init() override; | |
1571 | void shutdown() override; | |
1572 | }; | |
1573 | ||
1574 | #endif |