1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
7 #include "include/rados/rgw_file.h"
22 #include <boost/intrusive_ptr.hpp>
23 #include <boost/range/adaptor/reversed.hpp>
24 #include <boost/container/flat_map.hpp>
25 #include <boost/variant.hpp>
26 #include <boost/utility/string_ref.hpp>
27 #include <boost/optional.hpp>
29 #include "include/buffer.h"
30 #include "common/cohort_lru.h"
31 #include "common/ceph_timer.h"
32 #include "rgw_common.h"
36 #include "rgw_token.h"
37 #include "rgw_compression.h"
41 * ASSERT_H somehow not defined after all the above (which bring
42 * in common/debug.h [e.g., dout])
44 #include "include/assert.h"
47 #define RGW_RWXMODE (S_IRWXU | S_IRWXG | S_IRWXO)
49 #define RGW_RWMODE (RGW_RWXMODE & \
50 ~(S_IXUSR | S_IXGRP | S_IXOTH))
56 static inline void ignore(T
&&) {}
59 namespace bi
= boost::intrusive
;
63 class RGWWriteRequest
;
65 static inline bool operator <(const struct timespec
& lhs
,
66 const struct timespec
& rhs
) {
67 if (lhs
.tv_sec
== rhs
.tv_sec
)
68 return lhs
.tv_nsec
< rhs
.tv_nsec
;
70 return lhs
.tv_sec
< rhs
.tv_sec
;
73 static inline bool operator ==(const struct timespec
& lhs
,
74 const struct timespec
& rhs
) {
75 return ((lhs
.tv_sec
== rhs
.tv_sec
) &&
76 (lhs
.tv_nsec
== rhs
.tv_nsec
));
81 * The current 64-bit, non-cryptographic hash used here is intended
82 * for prototyping only.
84 * However, the invariant being prototyped is that objects be
85 * identifiable by their hash components alone. We believe this can
86 * be legitimately implemented using 128-hash values for bucket and
87 * object components, together with a cluster-resident cryptographic
88 * key. Since an MD5 or SHA-1 key is 128 bits and the (fast),
89 * non-cryptographic CityHash128 hash algorithm takes a 128-bit seed,
90 * speculatively we could use that for the final hash computations.
97 static constexpr uint64_t seed
= 8675309;
99 fh_key() : version(0) {}
101 fh_key(const rgw_fh_hk
& _hk
)
102 : fh_hk(_hk
), version(0) {
106 fh_key(const uint64_t bk
, const uint64_t ok
)
112 fh_key(const uint64_t bk
, const char *_o
)
115 fh_hk
.object
= XXH64(_o
, ::strlen(_o
), seed
);
118 fh_key(const std::string
& _b
, const std::string
& _o
)
120 fh_hk
.bucket
= XXH64(_b
.c_str(), _o
.length(), seed
);
121 fh_hk
.object
= XXH64(_o
.c_str(), _o
.length(), seed
);
124 void encode(buffer::list
& bl
) const {
125 ENCODE_START(2, 1, bl
);
126 ::encode(fh_hk
.bucket
, bl
);
127 ::encode(fh_hk
.object
, bl
);
128 ::encode((uint32_t)2, bl
);
132 void decode(bufferlist::iterator
& bl
) {
134 ::decode(fh_hk
.bucket
, bl
);
135 ::decode(fh_hk
.object
, bl
);
137 ::decode(version
, bl
);
143 WRITE_CLASS_ENCODER(fh_key
);
145 inline bool operator<(const fh_key
& lhs
, const fh_key
& rhs
)
147 return ((lhs
.fh_hk
.bucket
< rhs
.fh_hk
.bucket
) ||
148 ((lhs
.fh_hk
.bucket
== rhs
.fh_hk
.bucket
) &&
149 (lhs
.fh_hk
.object
< rhs
.fh_hk
.object
)));
152 inline bool operator>(const fh_key
& lhs
, const fh_key
& rhs
)
157 inline bool operator==(const fh_key
& lhs
, const fh_key
& rhs
)
159 return ((lhs
.fh_hk
.bucket
== rhs
.fh_hk
.bucket
) &&
160 (lhs
.fh_hk
.object
== rhs
.fh_hk
.object
));
163 inline bool operator!=(const fh_key
& lhs
, const fh_key
& rhs
)
165 return !(lhs
== rhs
);
168 inline bool operator<=(const fh_key
& lhs
, const fh_key
& rhs
)
170 return (lhs
< rhs
) || (lhs
== rhs
);
173 using boost::variant
;
174 using boost::container::flat_map
;
176 typedef std::tuple
<bool, bool> DecodeAttrsResult
;
178 class RGWFileHandle
: public cohort::lru::Object
180 struct rgw_file_handle fh
;
184 RGWFileHandle
* bucket
;
185 RGWFileHandle
* parent
;
186 /* const */ std::string name
; /* XXX file or bucket name */
187 /* const */ fh_key fhk
;
189 using lock_guard
= std::lock_guard
<std::mutex
>;
190 using unique_lock
= std::unique_lock
<std::mutex
>;
192 /* TODO: keeping just the last marker is sufficient for
193 * nfs-ganesha 2.4.5; in the near future, nfs-ganesha will
194 * be able to hint the name of the next dirent required,
195 * from which we can directly synthesize a RADOS marker.
196 * using marker_cache_t = flat_map<uint64_t, rgw_obj_key>;
203 uint32_t owner_uid
; /* XXX need Unix attr */
204 uint32_t owner_gid
; /* XXX need Unix attr */
206 struct timespec ctime
;
207 struct timespec mtime
;
208 struct timespec atime
;
210 State() : dev(0), size(0), nlink(1), owner_uid(0), owner_gid(0),
211 ctime
{0,0}, mtime
{0,0}, atime
{0,0}, version(0) {}
215 RGWWriteRequest
* write_req
;
216 file() : write_req(nullptr) {}
222 static constexpr uint32_t FLAG_NONE
= 0x0000;
225 rgw_obj_key last_marker
;
226 struct timespec last_readdir
;
228 directory() : flags(FLAG_NONE
), last_readdir
{0,0} {}
233 boost::variant
<file
, directory
> variant_type
;
239 const static std::string root_name
;
241 static constexpr uint16_t MAX_DEPTH
= 256;
243 static constexpr uint32_t FLAG_NONE
= 0x0000;
244 static constexpr uint32_t FLAG_OPEN
= 0x0001;
245 static constexpr uint32_t FLAG_ROOT
= 0x0002;
246 static constexpr uint32_t FLAG_CREATE
= 0x0004;
247 static constexpr uint32_t FLAG_CREATING
= 0x0008;
248 static constexpr uint32_t FLAG_DIRECTORY
= 0x0010;
249 static constexpr uint32_t FLAG_BUCKET
= 0x0020;
250 static constexpr uint32_t FLAG_LOCK
= 0x0040;
251 static constexpr uint32_t FLAG_DELETED
= 0x0080;
252 static constexpr uint32_t FLAG_UNLINK_THIS
= 0x0100;
253 static constexpr uint32_t FLAG_LOCKED
= 0x0200;
254 static constexpr uint32_t FLAG_STATELESS_OPEN
= 0x0400;
255 static constexpr uint32_t FLAG_EXACT_MATCH
= 0x0800;
256 static constexpr uint32_t FLAG_MOUNT
= 0x1000;
258 #define CREATE_FLAGS(x) \
259 ((x) & ~(RGWFileHandle::FLAG_CREATE|RGWFileHandle::FLAG_LOCK))
261 friend class RGWLibFS
;
264 RGWFileHandle(RGWLibFS
* _fs
)
265 : fs(_fs
), bucket(nullptr), parent(nullptr), variant_type
{directory()},
266 depth(0), flags(FLAG_NONE
)
269 fh
.fh_type
= RGW_FS_TYPE_DIRECTORY
;
270 variant_type
= directory();
272 state
.unix_mode
= RGW_RWXMODE
|S_IFDIR
;
273 /* pointer to self */
274 fh
.fh_private
= this;
277 uint64_t init_fsid(std::string
& uid
) {
278 return XXH64(uid
.c_str(), uid
.length(), fh_key::seed
);
281 void init_rootfs(std::string
& fsid
, const std::string
& object_name
,
284 fh
.fh_hk
.bucket
= XXH64(fsid
.c_str(), fsid
.length(), fh_key::seed
);
285 fh
.fh_hk
.object
= XXH64(object_name
.c_str(), object_name
.length(),
290 state
.dev
= init_fsid(fsid
);
293 flags
|= RGWFileHandle::FLAG_BUCKET
| RGWFileHandle::FLAG_MOUNT
;
297 flags
|= RGWFileHandle::FLAG_ROOT
| RGWFileHandle::FLAG_MOUNT
;
302 RGWFileHandle(RGWLibFS
* _fs
, RGWFileHandle
* _parent
,
303 const fh_key
& _fhk
, std::string
& _name
, uint32_t _flags
)
304 : fs(_fs
), bucket(nullptr), parent(_parent
), name(std::move(_name
)),
305 fhk(_fhk
), flags(_flags
) {
307 if (parent
->is_root()) {
308 fh
.fh_type
= RGW_FS_TYPE_DIRECTORY
;
309 variant_type
= directory();
310 flags
|= FLAG_BUCKET
;
312 bucket
= parent
->is_bucket() ? parent
314 if (flags
& FLAG_DIRECTORY
) {
315 fh
.fh_type
= RGW_FS_TYPE_DIRECTORY
;
316 variant_type
= directory();
318 fh
.fh_type
= RGW_FS_TYPE_FILE
;
319 variant_type
= file();
323 depth
= parent
->depth
+ 1;
325 /* save constant fhk */
326 fh
.fh_hk
= fhk
.fh_hk
; /* XXX redundant in fh_hk */
328 /* inherits parent's fsid */
329 state
.dev
= parent
->state
.dev
;
331 switch (fh
.fh_type
) {
332 case RGW_FS_TYPE_DIRECTORY
:
333 state
.unix_mode
= RGW_RWXMODE
|S_IFDIR
;
335 case RGW_FS_TYPE_FILE
:
336 state
.unix_mode
= RGW_RWMODE
|S_IFREG
;
341 /* pointer to self */
342 fh
.fh_private
= this;
345 const fh_key
& get_key() const {
349 directory
* get_directory() {
350 return get
<directory
>(&variant_type
);
353 size_t get_size() const { return state
.size
; }
355 const char* stype() {
356 return is_dir() ? "DIR" : "FILE";
359 uint16_t get_depth() const { return depth
; }
361 struct rgw_file_handle
* get_fh() { return &fh
; }
363 RGWLibFS
* get_fs() { return fs
; }
365 RGWFileHandle
* get_parent() { return parent
; }
367 uint32_t get_owner_uid() const { return state
.owner_uid
; }
368 uint32_t get_owner_gid() const { return state
.owner_gid
; }
370 struct timespec
get_ctime() const { return state
.ctime
; }
371 struct timespec
get_mtime() const { return state
.mtime
; }
373 void create_stat(struct stat
* st
, uint32_t mask
) {
374 if (mask
& RGW_SETATTR_UID
)
375 state
.owner_uid
= st
->st_uid
;
377 if (mask
& RGW_SETATTR_GID
)
378 state
.owner_gid
= st
->st_gid
;
380 if (mask
& RGW_SETATTR_MODE
) {
381 switch (fh
.fh_type
) {
382 case RGW_FS_TYPE_DIRECTORY
:
383 state
.unix_mode
= st
->st_mode
|S_IFDIR
;
385 case RGW_FS_TYPE_FILE
:
386 state
.unix_mode
= st
->st_mode
|S_IFREG
;
392 if (mask
& RGW_SETATTR_ATIME
)
393 state
.atime
= st
->st_atim
;
394 if (mask
& RGW_SETATTR_MTIME
)
395 state
.mtime
= st
->st_mtim
;
396 if (mask
& RGW_SETATTR_CTIME
)
397 state
.ctime
= st
->st_ctim
;
400 int stat(struct stat
* st
) {
401 /* partial Unix attrs */
402 memset(st
, 0, sizeof(struct stat
));
403 st
->st_dev
= state
.dev
;
404 st
->st_ino
= fh
.fh_hk
.object
; // XXX
406 st
->st_uid
= state
.owner_uid
;
407 st
->st_gid
= state
.owner_gid
;
409 st
->st_mode
= state
.unix_mode
;
411 #ifdef HAVE_STAT_ST_MTIMESPEC_TV_NSEC
412 st
->st_atimespec
= state
.atime
;
413 st
->st_mtimespec
= state
.mtime
;
414 st
->st_ctimespec
= state
.ctime
;
416 st
->st_atim
= state
.atime
;
417 st
->st_mtim
= state
.mtime
;
418 st
->st_ctim
= state
.ctime
;
421 switch (fh
.fh_type
) {
422 case RGW_FS_TYPE_DIRECTORY
:
423 st
->st_nlink
= state
.nlink
;
425 case RGW_FS_TYPE_FILE
:
427 st
->st_blksize
= 4096;
428 st
->st_size
= state
.size
;
429 st
->st_blocks
= (state
.size
) / 512;
437 const std::string
& bucket_name() const {
442 return bucket
->object_name();
445 const std::string
& object_name() const { return name
; }
447 std::string
full_object_name(bool omit_bucket
= false) const {
449 std::vector
<const std::string
*> segments
;
451 const RGWFileHandle
* tfh
= this;
452 while (tfh
&& !tfh
->is_root() && !(tfh
->is_bucket() && omit_bucket
)) {
453 segments
.push_back(&tfh
->object_name());
454 reserve
+= (1 + tfh
->object_name().length());
458 path
.reserve(reserve
);
459 for (auto& s
: boost::adaptors::reverse(segments
)) {
463 if (!omit_bucket
&& (path
.front() != '/')) // pretty-print
472 inline std::string
relative_object_name() const {
473 return full_object_name(true /* omit_bucket */);
476 inline std::string
format_child_name(const std::string
& cbasename
,
478 std::string child_name
{relative_object_name()};
479 if ((child_name
.size() > 0) &&
480 (child_name
.back() != '/'))
482 child_name
+= cbasename
;
488 inline std::string
make_key_name(const char *name
) const {
489 std::string key_name
{full_object_name()};
490 if (key_name
.length() > 0)
496 fh_key
make_fhk(const std::string
& name
) const {
498 return fh_key(fhk
.fh_hk
.object
, name
.c_str());
500 std::string key_name
= make_key_name(name
.c_str());
501 return fh_key(fhk
.fh_hk
.bucket
, key_name
.c_str());
505 void add_marker(uint64_t off
, const rgw_obj_key
& marker
,
508 directory
* d
= get
<directory
>(&variant_type
);
510 unique_lock
guard(mtx
);
511 d
->last_marker
= marker
;
515 const rgw_obj_key
* find_marker(uint64_t off
) const {
518 const directory
* d
= get
<directory
>(&variant_type
);
520 return &d
->last_marker
;
526 int offset_of(const std::string
& name
, int64_t *offset
, uint32_t flags
) {
527 if (unlikely(! is_dir())) {
530 *offset
= XXH64(name
.c_str(), name
.length(), fh_key::seed
);
534 bool is_open() const { return flags
& FLAG_OPEN
; }
535 bool is_root() const { return flags
& FLAG_ROOT
; }
536 bool is_mount() const { return flags
& FLAG_MOUNT
; }
537 bool is_bucket() const { return flags
& FLAG_BUCKET
; }
538 bool is_object() const { return !is_bucket(); }
539 bool is_file() const { return (fh
.fh_type
== RGW_FS_TYPE_FILE
); }
540 bool is_dir() const { return (fh
.fh_type
== RGW_FS_TYPE_DIRECTORY
); }
541 bool creating() const { return flags
& FLAG_CREATING
; }
542 bool deleted() const { return flags
& FLAG_DELETED
; }
543 bool stateless_open() const { return flags
& FLAG_STATELESS_OPEN
; }
544 bool has_children() const;
546 int open(uint32_t gsh_flags
) {
547 lock_guard
guard(mtx
);
549 if (gsh_flags
& RGW_OPEN_FLAG_V3
) {
550 flags
|= FLAG_STATELESS_OPEN
;
558 typedef boost::variant
<uint64_t*, const char*> readdir_offset
;
560 int readdir(rgw_readdir_cb rcb
, void *cb_arg
, readdir_offset offset
,
561 bool *eof
, uint32_t flags
);
563 int write(uint64_t off
, size_t len
, size_t *nbytes
, void *buffer
);
565 int commit(uint64_t offset
, uint64_t length
, uint32_t flags
) {
566 /* NFS3 and NFSv4 COMMIT implementation
567 * the current atomic update strategy doesn't actually permit
568 * clients to read-stable until either CLOSE (NFSv4+) or the
569 * expiration of the active write timer (NFS3). In the
570 * interim, the client may send an arbitrary number of COMMIT
571 * operations which must return a success result */
575 int write_finish(uint32_t flags
= FLAG_NONE
);
578 void open_for_create() {
579 lock_guard
guard(mtx
);
580 flags
|= FLAG_CREATING
;
583 void clear_creating() {
584 lock_guard
guard(mtx
);
585 flags
&= ~FLAG_CREATING
;
588 void inc_nlink(const uint64_t n
) {
592 void set_nlink(const uint64_t n
) {
596 void set_size(const size_t size
) {
600 void set_times(real_time t
) {
601 state
.ctime
= real_clock::to_timespec(t
);
602 state
.mtime
= state
.ctime
;
603 state
.atime
= state
.ctime
;
606 void set_ctime(const struct timespec
&ts
) {
610 void set_mtime(const struct timespec
&ts
) {
614 void set_atime(const struct timespec
&ts
) {
618 void encode(buffer::list
& bl
) const {
619 ENCODE_START(2, 1, bl
);
620 ::encode(uint32_t(fh
.fh_type
), bl
);
621 ::encode(state
.dev
, bl
);
622 ::encode(state
.size
, bl
);
623 ::encode(state
.nlink
, bl
);
624 ::encode(state
.owner_uid
, bl
);
625 ::encode(state
.owner_gid
, bl
);
626 ::encode(state
.unix_mode
, bl
);
627 for (const auto& t
: { state
.ctime
, state
.mtime
, state
.atime
}) {
628 ::encode(real_clock::from_timespec(t
), bl
);
630 ::encode((uint32_t)2, bl
);
634 void decode(bufferlist::iterator
& bl
) {
637 ::decode(fh_type
, bl
);
638 assert(fh
.fh_type
== fh_type
);
639 ::decode(state
.dev
, bl
);
640 ::decode(state
.size
, bl
);
641 ::decode(state
.nlink
, bl
);
642 ::decode(state
.owner_uid
, bl
);
643 ::decode(state
.owner_gid
, bl
);
644 ::decode(state
.unix_mode
, bl
);
645 ceph::real_time enc_time
;
646 for (auto t
: { &(state
.ctime
), &(state
.mtime
), &(state
.atime
) }) {
647 ::decode(enc_time
, bl
);
648 *t
= real_clock::to_timespec(enc_time
);
651 ::decode(state
.version
, bl
);
656 void encode_attrs(ceph::buffer::list
& ux_key1
,
657 ceph::buffer::list
& ux_attrs1
);
659 DecodeAttrsResult
decode_attrs(const ceph::buffer::list
* ux_key1
,
660 const ceph::buffer::list
* ux_attrs1
);
664 bool reclaim() override
;
666 typedef cohort::lru::LRU
<std::mutex
> FhLRU
;
670 // for internal ordering
671 bool operator()(const RGWFileHandle
& lhs
, const RGWFileHandle
& rhs
) const
672 { return (lhs
.get_key() < rhs
.get_key()); }
674 // for external search by fh_key
675 bool operator()(const fh_key
& k
, const RGWFileHandle
& fh
) const
676 { return k
< fh
.get_key(); }
678 bool operator()(const RGWFileHandle
& fh
, const fh_key
& k
) const
679 { return fh
.get_key() < k
; }
684 bool operator()(const RGWFileHandle
& lhs
, const RGWFileHandle
& rhs
) const
685 { return (lhs
.get_key() == rhs
.get_key()); }
687 bool operator()(const fh_key
& k
, const RGWFileHandle
& fh
) const
688 { return k
== fh
.get_key(); }
690 bool operator()(const RGWFileHandle
& fh
, const fh_key
& k
) const
691 { return fh
.get_key() == k
; }
694 typedef bi::link_mode
<bi::safe_link
> link_mode
; /* XXX normal */
695 #if defined(FHCACHE_AVL)
696 typedef bi::avl_set_member_hook
<link_mode
> tree_hook_type
;
699 typedef bi::set_member_hook
<link_mode
> tree_hook_type
;
701 tree_hook_type fh_hook
;
703 typedef bi::member_hook
<
704 RGWFileHandle
, tree_hook_type
, &RGWFileHandle::fh_hook
> FhHook
;
706 #if defined(FHCACHE_AVL)
707 typedef bi::avltree
<RGWFileHandle
, bi::compare
<FhLT
>, FhHook
> FHTree
;
709 typedef bi::rbtree
<RGWFileHandle
, bi::compare
<FhLT
>, FhHook
> FhTree
;
711 typedef cohort::lru::TreeX
<RGWFileHandle
, FhTree
, FhLT
, FhEQ
, fh_key
,
714 ~RGWFileHandle() override
;
716 friend std::ostream
& operator<<(std::ostream
&os
,
717 RGWFileHandle
const &rgw_fh
);
719 class Factory
: public cohort::lru::ObjectFactory
723 RGWFileHandle
* parent
;
730 Factory(RGWLibFS
* _fs
, RGWFileHandle
* _parent
,
731 const fh_key
& _fhk
, std::string
& _name
, uint32_t _flags
)
732 : fs(_fs
), parent(_parent
), fhk(_fhk
), name(_name
),
735 void recycle (cohort::lru::Object
* o
) override
{
736 /* re-use an existing object */
737 o
->~Object(); // call lru::Object virtual dtor
739 new (o
) RGWFileHandle(fs
, parent
, fhk
, name
, flags
);
742 cohort::lru::Object
* alloc() override
{
743 return new RGWFileHandle(fs
, parent
, fhk
, name
, flags
);
747 }; /* RGWFileHandle */
749 WRITE_CLASS_ENCODER(RGWFileHandle
);
751 static inline RGWFileHandle
* get_rgwfh(struct rgw_file_handle
* fh
) {
752 return static_cast<RGWFileHandle
*>(fh
->fh_private
);
755 static inline enum rgw_fh_type
fh_type_of(uint32_t flags
) {
756 enum rgw_fh_type fh_type
;
757 switch(flags
& RGW_LOOKUP_TYPE_FLAGS
)
759 case RGW_LOOKUP_FLAG_DIR
:
760 fh_type
= RGW_FS_TYPE_DIRECTORY
;
762 case RGW_LOOKUP_FLAG_FILE
:
763 fh_type
= RGW_FS_TYPE_FILE
;
766 fh_type
= RGW_FS_TYPE_NIL
;
771 typedef std::tuple
<RGWFileHandle
*, uint32_t> LookupFHResult
;
772 typedef std::tuple
<RGWFileHandle
*, int> MkObjResult
;
778 RGWFileHandle root_fh
;
779 rgw_fh_callback_t invalidate_cb
;
780 void *invalidate_arg
;
783 mutable std::atomic
<uint64_t> refcnt
;
785 RGWFileHandle::FHCache fh_cache
;
786 RGWFileHandle::FhLRU fh_lru
;
788 std::string uid
; // should match user.user_id, iiuc
791 RGWAccessKey key
; // XXXX acc_key
793 static std::atomic
<uint32_t> fs_inst_counter
;
795 static uint32_t write_completion_interval_s
;
797 using lock_guard
= std::lock_guard
<std::mutex
>;
798 using unique_lock
= std::unique_lock
<std::mutex
>;
802 enum class type
: uint8_t { READDIR
} ;
806 event(type t
, const fh_key
& k
, const struct timespec
& ts
)
807 : t(t
), fhk(k
), ts(ts
) {}
810 friend std::ostream
& operator<<(std::ostream
&os
,
811 RGWLibFS::event
const &ev
);
813 using event_vector
= /* boost::small_vector<event, 16> */
816 struct WriteCompletion
818 RGWFileHandle
& rgw_fh
;
820 WriteCompletion(RGWFileHandle
& _fh
) : rgw_fh(_fh
) {
821 rgw_fh
.get_fs()->ref(&rgw_fh
);
825 rgw_fh
.close(); /* will finish in-progress write */
826 rgw_fh
.get_fs()->unref(&rgw_fh
);
830 static ceph::timer
<ceph::mono_clock
> write_timer
;
834 std::atomic
<uint32_t> flags
;
835 std::deque
<event
> events
;
837 State() : flags(0) {}
839 void push_event(const event
& ev
) {
840 events
.push_back(ev
);
844 uint32_t new_inst() {
845 return ++fs_inst_counter
;
848 friend class RGWFileHandle
;
849 friend class RGWLibProcess
;
853 static constexpr uint32_t FLAG_NONE
= 0x0000;
854 static constexpr uint32_t FLAG_CLOSED
= 0x0001;
859 real_time creation_time
;
860 uint64_t num_entries
;
863 RGWLibFS(CephContext
* _cct
, const char *_uid
, const char *_user_id
,
864 const char* _key
, const char *root
)
865 : cct(_cct
), root_fh(this), invalidate_cb(nullptr),
866 invalidate_arg(nullptr), shutdown(false), refcnt(1),
867 fh_cache(cct
->_conf
->rgw_nfs_fhcache_partitions
,
868 cct
->_conf
->rgw_nfs_fhcache_size
),
869 fh_lru(cct
->_conf
->rgw_nfs_lru_lanes
,
870 cct
->_conf
->rgw_nfs_lru_lane_hiwat
),
871 uid(_uid
), key(_user_id
, _key
) {
873 if (!root
|| !strcmp(root
, "/")) {
874 root_fh
.init_rootfs(uid
, RGWFileHandle::root_name
, false);
876 root_fh
.init_rootfs(uid
, root
, true);
879 /* pointer to self */
880 fs
.fs_private
= this;
882 /* expose public root fh */
883 fs
.root_fh
= root_fh
.get_fh();
888 friend void intrusive_ptr_add_ref(const RGWLibFS
* fs
) {
889 fs
->refcnt
.fetch_add(1, std::memory_order_relaxed
);
892 friend void intrusive_ptr_release(const RGWLibFS
* fs
) {
893 if (fs
->refcnt
.fetch_sub(1, std::memory_order_release
) == 0) {
894 std::atomic_thread_fence(std::memory_order_acquire
);
900 intrusive_ptr_add_ref(this);
905 intrusive_ptr_release(this);
908 void stop() { shutdown
= true; }
910 void release_evict(RGWFileHandle
* fh
) {
911 /* remove from cache, releases sentinel ref */
912 fh_cache
.remove(fh
->fh
.fh_hk
.object
, fh
,
913 RGWFileHandle::FHCache::FLAG_LOCK
);
914 /* release call-path ref */
915 (void) fh_lru
.unref(fh
, cohort::lru::FLAG_NONE
);
918 int authorize(RGWRados
* store
) {
919 int ret
= rgw_get_user_info_by_access_key(store
, key
.id
, user
);
921 RGWAccessKey
* key0
= user
.get_key0();
923 (key0
->key
!= key
.key
))
926 return -ERR_USER_SUSPENDED
;
928 /* try external authenticators (ldap for now) */
929 rgw::LDAPHelper
* ldh
= rgwlib
.get_ldh(); /* !nullptr */
931 /* boost filters and/or string_ref may throw on invalid input */
933 token
= rgw::from_base64(key
.id
);
935 token
= std::string("");
937 if (token
.valid() && (ldh
->auth(token
.id
, token
.key
) == 0)) {
938 /* try to store user if it doesn't already exist */
939 if (rgw_get_user_info_by_uid(store
, token
.id
, user
) < 0) {
940 int ret
= rgw_store_user_info(store
, user
, NULL
, NULL
, real_time(),
943 lsubdout(get_context(), rgw
, 10)
944 << "NOTICE: failed to store new user's info: ret=" << ret
953 int register_invalidate(rgw_fh_callback_t cb
, void *arg
, uint32_t flags
) {
955 invalidate_arg
= arg
;
959 /* find RGWFileHandle by id */
960 LookupFHResult
lookup_fh(const fh_key
& fhk
,
961 const uint32_t flags
= RGWFileHandle::FLAG_NONE
) {
964 // cast int32_t(RGWFileHandle::FLAG_NONE) due to strictness of Clang
965 // the cast transfers a lvalue into a rvalue in the ctor
966 // check the commit message for the full details
967 LookupFHResult fhr
{ nullptr, uint32_t(RGWFileHandle::FLAG_NONE
) };
969 RGWFileHandle::FHCache::Latch lat
;
970 bool fh_locked
= flags
& RGWFileHandle::FLAG_LOCKED
;
974 fh_cache
.find_latch(fhk
.fh_hk
.object
/* partition selector*/,
975 fhk
/* key */, lat
/* serializer */,
976 RGWFileHandle::FHCache::FLAG_LOCK
);
979 if (likely(! fh_locked
))
980 fh
->mtx
.lock(); // XXX !RAII because may-return-LOCKED
981 /* need initial ref from LRU (fast path) */
982 if (! fh_lru
.ref(fh
, cohort::lru::FLAG_INITIAL
)) {
984 if (likely(! fh_locked
))
986 goto retry
; /* !LATCHED */
988 /* LATCHED, LOCKED */
989 if (! (flags
& RGWFileHandle::FLAG_LOCK
))
990 fh
->mtx
.unlock(); /* ! LOCKED */
992 lat
.lock
->unlock(); /* !LATCHED */
995 lsubdout(get_context(), rgw
, 17)
996 << __func__
<< " 1 " << *fh
1000 } /* lookup_fh(const fh_key&) */
1002 /* find or create an RGWFileHandle */
1003 LookupFHResult
lookup_fh(RGWFileHandle
* parent
, const char *name
,
1004 const uint32_t flags
= RGWFileHandle::FLAG_NONE
) {
1007 // cast int32_t(RGWFileHandle::FLAG_NONE) due to strictness of Clang
1008 // the cast transfers a lvalue into a rvalue in the ctor
1009 // check the commit message for the full details
1010 LookupFHResult fhr
{ nullptr, uint32_t(RGWFileHandle::FLAG_NONE
) };
1012 /* mount is stale? */
1013 if (state
.flags
& FLAG_CLOSED
)
1016 RGWFileHandle::FHCache::Latch lat
;
1017 bool fh_locked
= flags
& RGWFileHandle::FLAG_LOCKED
;
1019 std::string obj_name
{name
};
1020 std::string key_name
{parent
->make_key_name(name
)};
1022 lsubdout(get_context(), rgw
, 10)
1023 << __func__
<< " lookup called on "
1024 << parent
->object_name() << " for " << key_name
1025 << " (" << obj_name
<< ")"
1028 fh_key fhk
= parent
->make_fhk(obj_name
);
1032 fh_cache
.find_latch(fhk
.fh_hk
.object
/* partition selector*/,
1033 fhk
/* key */, lat
/* serializer */,
1034 RGWFileHandle::FHCache::FLAG_LOCK
);
1037 if (likely(! fh_locked
))
1038 fh
->mtx
.lock(); // XXX !RAII because may-return-LOCKED
1039 if (fh
->flags
& RGWFileHandle::FLAG_DELETED
) {
1040 /* for now, delay briefly and retry */
1042 if (likely(! fh_locked
))
1044 std::this_thread::sleep_for(std::chrono::milliseconds(20));
1045 goto retry
; /* !LATCHED */
1047 /* need initial ref from LRU (fast path) */
1048 if (! fh_lru
.ref(fh
, cohort::lru::FLAG_INITIAL
)) {
1050 if (likely(! fh_locked
))
1052 goto retry
; /* !LATCHED */
1054 /* LATCHED, LOCKED */
1055 if (! (flags
& RGWFileHandle::FLAG_LOCK
))
1056 if (likely(! fh_locked
))
1057 fh
->mtx
.unlock(); /* ! LOCKED */
1059 /* make or re-use handle */
1060 RGWFileHandle::Factory
prototype(this, parent
, fhk
,
1061 obj_name
, CREATE_FLAGS(flags
));
1062 uint32_t iflags
{cohort::lru::FLAG_INITIAL
};
1063 fh
= static_cast<RGWFileHandle
*>(
1064 fh_lru
.insert(&prototype
,
1065 cohort::lru::Edge::MRU
,
1068 /* lock fh (LATCHED) */
1069 if (flags
& RGWFileHandle::FLAG_LOCK
)
1071 if (likely(! (iflags
& cohort::lru::FLAG_RECYCLE
))) {
1072 /* inserts at cached insert iterator, releasing latch */
1073 fh_cache
.insert_latched(
1074 fh
, lat
, RGWFileHandle::FHCache::FLAG_UNLOCK
);
1076 /* recycle step invalidates Latch */
1078 fhk
.fh_hk
.object
, fh
, RGWFileHandle::FHCache::FLAG_NONE
);
1079 lat
.lock
->unlock(); /* !LATCHED */
1081 get
<1>(fhr
) |= RGWFileHandle::FLAG_CREATE
;
1082 /* ref parent (non-initial ref cannot fail on valid object) */
1083 if (! parent
->is_mount()) {
1084 (void) fh_lru
.ref(parent
, cohort::lru::FLAG_NONE
);
1086 goto out
; /* !LATCHED */
1089 goto retry
; /* !LATCHED */
1092 lat
.lock
->unlock(); /* !LATCHED */
1096 lsubdout(get_context(), rgw
, 17)
1097 << __func__
<< " 2 " << *fh
1101 } /* lookup_fh(RGWFileHandle*, const char *, const uint32_t) */
1103 inline void unref(RGWFileHandle
* fh
) {
1104 if (likely(! fh
->is_mount())) {
1105 (void) fh_lru
.unref(fh
, cohort::lru::FLAG_NONE
);
1109 inline RGWFileHandle
* ref(RGWFileHandle
* fh
) {
1110 if (likely(! fh
->is_mount())) {
1111 fh_lru
.ref(fh
, cohort::lru::FLAG_NONE
);
1116 int getattr(RGWFileHandle
* rgw_fh
, struct stat
* st
);
1118 int setattr(RGWFileHandle
* rgw_fh
, struct stat
* st
, uint32_t mask
,
1121 void update_fh(RGWFileHandle
*rgw_fh
);
1123 LookupFHResult
stat_bucket(RGWFileHandle
* parent
, const char *path
,
1124 RGWLibFS::BucketStats
& bs
,
1127 LookupFHResult
stat_leaf(RGWFileHandle
* parent
, const char *path
,
1128 enum rgw_fh_type type
= RGW_FS_TYPE_NIL
,
1129 uint32_t flags
= RGWFileHandle::FLAG_NONE
);
1131 int read(RGWFileHandle
* rgw_fh
, uint64_t offset
, size_t length
,
1132 size_t* bytes_read
, void* buffer
, uint32_t flags
);
1134 int rename(RGWFileHandle
* old_fh
, RGWFileHandle
* new_fh
,
1135 const char *old_name
, const char *new_name
);
1137 MkObjResult
create(RGWFileHandle
* parent
, const char *name
, struct stat
*st
,
1138 uint32_t mask
, uint32_t flags
);
1140 MkObjResult
mkdir(RGWFileHandle
* parent
, const char *name
, struct stat
*st
,
1141 uint32_t mask
, uint32_t flags
);
1143 int unlink(RGWFileHandle
* rgw_fh
, const char *name
,
1144 uint32_t flags
= FLAG_NONE
);
1146 /* find existing RGWFileHandle */
1147 RGWFileHandle
* lookup_handle(struct rgw_fh_hk fh_hk
) {
1149 if (state
.flags
& FLAG_CLOSED
)
1152 RGWFileHandle::FHCache::Latch lat
;
1157 fh_cache
.find_latch(fhk
.fh_hk
.object
/* partition selector*/,
1158 fhk
/* key */, lat
/* serializer */,
1159 RGWFileHandle::FHCache::FLAG_LOCK
);
1162 lsubdout(get_context(), rgw
, 0)
1163 << __func__
<< " handle lookup failed <"
1164 << fhk
.fh_hk
.bucket
<< "," << fhk
.fh_hk
.object
<< ">"
1165 << "(need persistent handles)"
1170 if (fh
->flags
& RGWFileHandle::FLAG_DELETED
) {
1171 /* for now, delay briefly and retry */
1173 fh
->mtx
.unlock(); /* !LOCKED */
1174 std::this_thread::sleep_for(std::chrono::milliseconds(20));
1175 goto retry
; /* !LATCHED */
1177 if (! fh_lru
.ref(fh
, cohort::lru::FLAG_INITIAL
)) {
1180 goto retry
; /* !LATCHED */
1183 fh
->mtx
.unlock(); /* !LOCKED */
1185 lat
.lock
->unlock(); /* !LATCHED */
1187 /* special case: lookup root_fh */
1189 if (unlikely(fh_hk
== root_fh
.fh
.fh_hk
)) {
1197 CephContext
* get_context() {
1201 struct rgw_fs
* get_fs() { return &fs
; }
1203 uint64_t get_fsid() { return root_fh
.state
.dev
; }
1205 RGWUserInfo
* get_user() { return &user
; }
1211 static inline std::string
make_uri(const std::string
& bucket_name
,
1212 const std::string
& object_name
) {
1213 std::string
uri("/");
1214 uri
.reserve(bucket_name
.length() + object_name
.length() + 2);
1222 read directory content (buckets)
1225 class RGWListBucketsRequest
: public RGWLibRequest
,
1226 public RGWListBuckets
/* RGWOp */
1229 RGWFileHandle
* rgw_fh
;
1230 RGWFileHandle::readdir_offset offset
;
1237 RGWListBucketsRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1238 RGWFileHandle
* _rgw_fh
, rgw_readdir_cb _rcb
,
1239 void* _cb_arg
, RGWFileHandle::readdir_offset
& _offset
)
1240 : RGWLibRequest(_cct
, _user
), rgw_fh(_rgw_fh
), offset(_offset
),
1241 cb_arg(_cb_arg
), rcb(_rcb
), ioff(nullptr), ix(0), d_count(0) {
1245 if (unlikely(!! get
<uint64_t*>(&offset
))) {
1246 ioff
= get
<uint64_t*>(offset
);
1247 const auto& mk
= rgw_fh
->find_marker(*ioff
);
1252 const char* mk
= get
<const char*>(offset
);
1260 bool only_bucket() override
{ return false; }
1262 int op_init() override
{
1263 // assign store, s, and dialect_handler
1264 RGWObjectCtx
* rados_ctx
1265 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1266 // framework promises to call op_init after parent init
1268 RGWOp::init(rados_ctx
->store
, get_state(), this);
1269 op
= this; // assign self as op: REQUIRED
1273 int header_init() override
{
1274 struct req_state
* s
= get_state();
1275 s
->info
.method
= "GET";
1278 /* XXX derp derp derp */
1279 s
->relative_uri
= "/";
1280 s
->info
.request_uri
= "/"; // XXX
1281 s
->info
.effective_uri
= "/";
1282 s
->info
.request_params
= "";
1283 s
->info
.domain
= ""; /* XXX ? */
1291 int get_params() override
{
1292 limit
= -1; /* no limit */
1296 void send_response_begin(bool has_buckets
) override
{
1300 void send_response_data(RGWUserBuckets
& buckets
) override
{
1303 map
<string
, RGWBucketEnt
>& m
= buckets
.get_buckets();
1304 for (const auto& iter
: m
) {
1305 boost::string_ref marker
{iter
.first
};
1306 const RGWBucketEnt
& ent
= iter
.second
;
1307 if (! this->operator()(ent
.bucket
.name
, marker
)) {
1308 /* caller cannot accept more */
1309 lsubdout(cct
, rgw
, 5) << "ListBuckets rcb failed"
1310 << " dirent=" << ent
.bucket
.name
1311 << " call count=" << ix
1317 } /* send_response_data */
1319 void send_response_end() override
{
1323 int operator()(const boost::string_ref
& name
,
1324 const boost::string_ref
& marker
) {
1325 uint64_t off
= XXH64(name
.data(), name
.length(), fh_key::seed
);
1329 /* update traversal cache */
1330 rgw_fh
->add_marker(off
, rgw_obj_key
{marker
.data(), ""},
1331 RGW_FS_TYPE_DIRECTORY
);
1333 return rcb(name
.data(), cb_arg
, off
, RGW_LOOKUP_FLAG_DIR
);
1337 if (unlikely(cct
->_conf
->subsys
.should_gather(ceph_subsys_rgw
, 15))) {
1339 unlikely(! get
<const char*>(&offset
)) ||
1340 !! get
<const char*>(offset
);
1341 lsubdout(cct
, rgw
, 15) << "READDIR offset: " <<
1342 ((is_offset
) ? offset
: "(nil)")
1343 << " is_truncated: " << is_truncated
1346 return !is_truncated
;
1349 }; /* RGWListBucketsRequest */
1352 read directory content (bucket objects)
1355 class RGWReaddirRequest
: public RGWLibRequest
,
1356 public RGWListBucket
/* RGWOp */
1359 RGWFileHandle
* rgw_fh
;
1360 RGWFileHandle::readdir_offset offset
;
1367 RGWReaddirRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1368 RGWFileHandle
* _rgw_fh
, rgw_readdir_cb _rcb
,
1369 void* _cb_arg
, RGWFileHandle::readdir_offset
& _offset
)
1370 : RGWLibRequest(_cct
, _user
), rgw_fh(_rgw_fh
), offset(_offset
),
1371 cb_arg(_cb_arg
), rcb(_rcb
), ioff(nullptr), ix(0), d_count(0) {
1375 if (unlikely(!! get
<uint64_t*>(&offset
))) {
1376 ioff
= get
<uint64_t*>(offset
);
1377 const auto& mk
= rgw_fh
->find_marker(*ioff
);
1382 const char* mk
= get
<const char*>(offset
);
1384 std::string tmark
{rgw_fh
->relative_object_name()};
1387 marker
= rgw_obj_key
{std::move(tmark
), "", ""};
1391 default_max
= 1000; // XXX was being omitted
1395 bool only_bucket() override
{ return true; }
1397 int op_init() override
{
1398 // assign store, s, and dialect_handler
1399 RGWObjectCtx
* rados_ctx
1400 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1401 // framework promises to call op_init after parent init
1403 RGWOp::init(rados_ctx
->store
, get_state(), this);
1404 op
= this; // assign self as op: REQUIRED
1408 int header_init() override
{
1409 struct req_state
* s
= get_state();
1410 s
->info
.method
= "GET";
1413 /* XXX derp derp derp */
1414 std::string uri
= "/" + rgw_fh
->bucket_name() + "/";
1415 s
->relative_uri
= uri
;
1416 s
->info
.request_uri
= uri
; // XXX
1417 s
->info
.effective_uri
= uri
;
1418 s
->info
.request_params
= "";
1419 s
->info
.domain
= ""; /* XXX ? */
1424 prefix
= rgw_fh
->relative_object_name();
1425 if (prefix
.length() > 0)
1432 int operator()(const boost::string_ref name
, const rgw_obj_key
& marker
,
1435 assert(name
.length() > 0); // XXX
1437 /* hash offset of name in parent (short name) for NFS readdir cookie */
1438 uint64_t off
= XXH64(name
.data(), name
.length(), fh_key::seed
);
1439 if (unlikely(!! ioff
)) {
1442 /* update traversal cache */
1443 rgw_fh
->add_marker(off
, marker
, type
);
1445 return rcb(name
.data(), cb_arg
, off
,
1446 (type
== RGW_FS_TYPE_DIRECTORY
) ?
1447 RGW_LOOKUP_FLAG_DIR
:
1448 RGW_LOOKUP_FLAG_FILE
);
1451 int get_params() override
{
1456 void send_response() override
{
1457 struct req_state
* s
= get_state();
1458 for (const auto& iter
: objs
) {
1460 boost::string_ref sref
{iter
.key
.name
};
1462 lsubdout(cct
, rgw
, 15) << "readdir objects prefix: " << prefix
1463 << " obj: " << sref
<< dendl
;
1465 size_t last_del
= sref
.find_last_of('/');
1466 if (last_del
!= string::npos
)
1467 sref
.remove_prefix(last_del
+1);
1469 /* leaf directory? */
1473 lsubdout(cct
, rgw
, 15) << "RGWReaddirRequest "
1475 << "list uri=" << s
->relative_uri
<< " "
1476 << " prefix=" << prefix
<< " "
1477 << " obj path=" << iter
.key
.name
1478 << " (" << sref
<< ")" << ""
1481 if(! this->operator()(sref
, next_marker
, RGW_FS_TYPE_FILE
)) {
1482 /* caller cannot accept more */
1483 lsubdout(cct
, rgw
, 5) << "readdir rcb failed"
1484 << " dirent=" << sref
.data()
1485 << " call count=" << ix
1491 for (auto& iter
: common_prefixes
) {
1493 lsubdout(cct
, rgw
, 15) << "readdir common prefixes prefix: " << prefix
1494 << " iter first: " << iter
.first
1495 << " iter second: " << iter
.second
1498 /* XXX aieee--I have seen this case! */
1499 if (iter
.first
== "/")
1502 /* it's safest to modify the element in place--a suffix-modifying
1503 * string_ref operation is problematic since ULP rgw_file callers
1504 * will ultimately need a c-string */
1505 if (iter
.first
.back() == '/')
1506 const_cast<std::string
&>(iter
.first
).pop_back();
1508 boost::string_ref sref
{iter
.first
};
1510 size_t last_del
= sref
.find_last_of('/');
1511 if (last_del
!= string::npos
)
1512 sref
.remove_prefix(last_del
+1);
1514 lsubdout(cct
, rgw
, 15) << "RGWReaddirRequest "
1516 << "list uri=" << s
->relative_uri
<< " "
1517 << " prefix=" << prefix
<< " "
1518 << " cpref=" << sref
1521 this->operator()(sref
, next_marker
, RGW_FS_TYPE_DIRECTORY
);
1526 virtual void send_versioned_response() {
1531 if (unlikely(cct
->_conf
->subsys
.should_gather(ceph_subsys_rgw
, 15))) {
1533 unlikely(! get
<const char*>(&offset
)) ||
1534 !! get
<const char*>(offset
);
1535 lsubdout(cct
, rgw
, 15) << "READDIR offset: " <<
1536 ((is_offset
) ? offset
: "(nil)")
1537 << " next marker: " << next_marker
1538 << " is_truncated: " << is_truncated
1541 return !is_truncated
;
1544 }; /* RGWReaddirRequest */
1547 dir has-children predicate (bucket objects)
1550 class RGWRMdirCheck
: public RGWLibRequest
,
1551 public RGWListBucket
/* RGWOp */
1554 const RGWFileHandle
* rgw_fh
;
1558 RGWRMdirCheck (CephContext
* _cct
, RGWUserInfo
*_user
,
1559 const RGWFileHandle
* _rgw_fh
)
1560 : RGWLibRequest(_cct
, _user
), rgw_fh(_rgw_fh
), valid(false),
1561 has_children(false) {
1566 bool only_bucket() override
{ return true; }
1568 int op_init() override
{
1569 // assign store, s, and dialect_handler
1570 RGWObjectCtx
* rados_ctx
1571 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1572 // framework promises to call op_init after parent init
1574 RGWOp::init(rados_ctx
->store
, get_state(), this);
1575 op
= this; // assign self as op: REQUIRED
1579 int header_init() override
{
1580 struct req_state
* s
= get_state();
1581 s
->info
.method
= "GET";
1584 std::string uri
= "/" + rgw_fh
->bucket_name() + "/";
1585 s
->relative_uri
= uri
;
1586 s
->info
.request_uri
= uri
;
1587 s
->info
.effective_uri
= uri
;
1588 s
->info
.request_params
= "";
1589 s
->info
.domain
= ""; /* XXX ? */
1593 prefix
= rgw_fh
->relative_object_name();
1594 if (prefix
.length() > 0)
1601 int get_params() override
{
1606 void send_response() override
{
1608 if ((objs
.size() > 1) ||
1610 (objs
.front().key
.name
!= prefix
))) {
1611 has_children
= true;
1614 for (auto& iter
: common_prefixes
) {
1615 /* readdir never produces a name for this case */
1616 if (iter
.first
== "/")
1618 has_children
= true;
1623 virtual void send_versioned_response() {
1627 }; /* RGWRMdirCheck */
1633 class RGWCreateBucketRequest
: public RGWLibRequest
,
1634 public RGWCreateBucket
/* RGWOp */
1637 const std::string
& bucket_name
;
1639 RGWCreateBucketRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1640 std::string
& _bname
)
1641 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
) {
1645 bool only_bucket() override
{ return false; }
1647 int read_permissions(RGWOp
* op_obj
) override
{
1648 /* we ARE a 'create bucket' request (cf. rgw_rest.cc, ll. 1305-6) */
1652 int op_init() override
{
1653 // assign store, s, and dialect_handler
1654 RGWObjectCtx
* rados_ctx
1655 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1656 // framework promises to call op_init after parent init
1658 RGWOp::init(rados_ctx
->store
, get_state(), this);
1659 op
= this; // assign self as op: REQUIRED
1663 int header_init() override
{
1665 struct req_state
* s
= get_state();
1666 s
->info
.method
= "PUT";
1669 string uri
= "/" + bucket_name
;
1670 /* XXX derp derp derp */
1671 s
->relative_uri
= uri
;
1672 s
->info
.request_uri
= uri
; // XXX
1673 s
->info
.effective_uri
= uri
;
1674 s
->info
.request_params
= "";
1675 s
->info
.domain
= ""; /* XXX ? */
1683 int get_params() override
{
1684 struct req_state
* s
= get_state();
1685 RGWAccessControlPolicy_S3
s3policy(s
->cct
);
1686 /* we don't have (any) headers, so just create canned ACLs */
1687 int ret
= s3policy
.create_canned(s
->owner
, s
->bucket_owner
, s
->canned_acl
);
1692 void send_response() override
{
1693 /* TODO: something (maybe) */
1695 }; /* RGWCreateBucketRequest */
1701 class RGWDeleteBucketRequest
: public RGWLibRequest
,
1702 public RGWDeleteBucket
/* RGWOp */
1705 const std::string
& bucket_name
;
1707 RGWDeleteBucketRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1708 std::string
& _bname
)
1709 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
) {
1713 bool only_bucket() override
{ return true; }
1715 int op_init() override
{
1716 // assign store, s, and dialect_handler
1717 RGWObjectCtx
* rados_ctx
1718 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1719 // framework promises to call op_init after parent init
1721 RGWOp::init(rados_ctx
->store
, get_state(), this);
1722 op
= this; // assign self as op: REQUIRED
1726 int header_init() override
{
1728 struct req_state
* s
= get_state();
1729 s
->info
.method
= "DELETE";
1732 string uri
= "/" + bucket_name
;
1733 /* XXX derp derp derp */
1734 s
->relative_uri
= uri
;
1735 s
->info
.request_uri
= uri
; // XXX
1736 s
->info
.effective_uri
= uri
;
1737 s
->info
.request_params
= "";
1738 s
->info
.domain
= ""; /* XXX ? */
1746 void send_response() override
{}
1748 }; /* RGWDeleteBucketRequest */
1753 class RGWPutObjRequest
: public RGWLibRequest
,
1754 public RGWPutObj
/* RGWOp */
1757 const std::string
& bucket_name
;
1758 const std::string
& obj_name
;
1759 buffer::list
& bl
; /* XXX */
1760 size_t bytes_written
;
1762 RGWPutObjRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1763 const std::string
& _bname
, const std::string
& _oname
,
1765 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
), obj_name(_oname
),
1766 bl(_bl
), bytes_written(0) {
1770 bool only_bucket() override
{ return true; }
1772 int op_init() override
{
1773 // assign store, s, and dialect_handler
1774 RGWObjectCtx
* rados_ctx
1775 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1776 // framework promises to call op_init after parent init
1778 RGWOp::init(rados_ctx
->store
, get_state(), this);
1779 op
= this; // assign self as op: REQUIRED
1781 int rc
= valid_s3_object_name(obj_name
);
1788 int header_init() override
{
1790 struct req_state
* s
= get_state();
1791 s
->info
.method
= "PUT";
1794 /* XXX derp derp derp */
1795 std::string uri
= make_uri(bucket_name
, obj_name
);
1796 s
->relative_uri
= uri
;
1797 s
->info
.request_uri
= uri
; // XXX
1798 s
->info
.effective_uri
= uri
;
1799 s
->info
.request_params
= "";
1800 s
->info
.domain
= ""; /* XXX ? */
1802 /* XXX required in RGWOp::execute() */
1803 s
->content_length
= bl
.length();
1811 int get_params() override
{
1812 struct req_state
* s
= get_state();
1813 RGWAccessControlPolicy_S3
s3policy(s
->cct
);
1814 /* we don't have (any) headers, so just create canned ACLs */
1815 int ret
= s3policy
.create_canned(s
->owner
, s
->bucket_owner
, s
->canned_acl
);
1820 int get_data(buffer::list
& _bl
) override
{
1821 /* XXX for now, use sharing semantics */
1823 uint32_t len
= _bl
.length();
1824 bytes_written
+= len
;
1828 void send_response() override
{}
1830 int verify_params() override
{
1831 if (bl
.length() > cct
->_conf
->rgw_max_put_size
)
1832 return -ERR_TOO_LARGE
;
1836 }; /* RGWPutObjRequest */
1842 class RGWReadRequest
: public RGWLibRequest
,
1843 public RGWGetObj
/* RGWOp */
1846 RGWFileHandle
* rgw_fh
;
1849 size_t read_resid
; /* initialize to len, <= sizeof(ulp_buffer) */
1850 bool do_hexdump
= false;
1852 RGWReadRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1853 RGWFileHandle
* _rgw_fh
, uint64_t off
, uint64_t len
,
1855 : RGWLibRequest(_cct
, _user
), rgw_fh(_rgw_fh
), ulp_buffer(_ulp_buffer
),
1856 nread(0), read_resid(len
) {
1859 /* fixup RGWGetObj (already know range parameters) */
1860 RGWGetObj::range_parsed
= true;
1861 RGWGetObj::get_data
= true; // XXX
1862 RGWGetObj::partial_content
= true;
1863 RGWGetObj::ofs
= off
;
1864 RGWGetObj::end
= off
+ len
;
1867 bool only_bucket() override
{ return false; }
1869 int op_init() override
{
1870 // assign store, s, and dialect_handler
1871 RGWObjectCtx
* rados_ctx
1872 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1873 // framework promises to call op_init after parent init
1875 RGWOp::init(rados_ctx
->store
, get_state(), this);
1876 op
= this; // assign self as op: REQUIRED
1880 int header_init() override
{
1882 struct req_state
* s
= get_state();
1883 s
->info
.method
= "GET";
1886 /* XXX derp derp derp */
1887 s
->relative_uri
= make_uri(rgw_fh
->bucket_name(),
1888 rgw_fh
->relative_object_name());
1889 s
->info
.request_uri
= s
->relative_uri
; // XXX
1890 s
->info
.effective_uri
= s
->relative_uri
;
1891 s
->info
.request_params
= "";
1892 s
->info
.domain
= ""; /* XXX ? */
1900 int get_params() override
{
1904 int send_response_data(ceph::buffer::list
& bl
, off_t bl_off
,
1905 off_t bl_len
) override
{
1907 for (auto& bp
: bl
.buffers()) {
1908 /* if for some reason bl_off indicates the start-of-data is not at
1909 * the current buffer::ptr, skip it and account */
1910 if (bl_off
> bp
.length()) {
1911 bl_off
-= bp
.length();
1914 /* read no more than read_resid */
1915 bytes
= std::min(read_resid
, size_t(bp
.length()-bl_off
));
1916 memcpy(static_cast<char*>(ulp_buffer
)+nread
, bp
.c_str()+bl_off
, bytes
);
1917 read_resid
-= bytes
; /* reduce read_resid by bytes read */
1920 /* stop if we have no residual ulp_buffer */
1927 int send_response_data_error() override
{
1928 /* S3 implementation just sends nothing--there is no side effect
1929 * to simulate here */
1933 }; /* RGWReadRequest */
1939 class RGWDeleteObjRequest
: public RGWLibRequest
,
1940 public RGWDeleteObj
/* RGWOp */
1943 const std::string
& bucket_name
;
1944 const std::string
& obj_name
;
1946 RGWDeleteObjRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
1947 const std::string
& _bname
, const std::string
& _oname
)
1948 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
), obj_name(_oname
) {
1952 bool only_bucket() override
{ return true; }
1954 int op_init() override
{
1955 // assign store, s, and dialect_handler
1956 RGWObjectCtx
* rados_ctx
1957 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
1958 // framework promises to call op_init after parent init
1960 RGWOp::init(rados_ctx
->store
, get_state(), this);
1961 op
= this; // assign self as op: REQUIRED
1965 int header_init() override
{
1967 struct req_state
* s
= get_state();
1968 s
->info
.method
= "DELETE";
1971 /* XXX derp derp derp */
1972 std::string uri
= make_uri(bucket_name
, obj_name
);
1973 s
->relative_uri
= uri
;
1974 s
->info
.request_uri
= uri
; // XXX
1975 s
->info
.effective_uri
= uri
;
1976 s
->info
.request_params
= "";
1977 s
->info
.domain
= ""; /* XXX ? */
1985 void send_response() override
{}
1987 }; /* RGWDeleteObjRequest */
1989 class RGWStatObjRequest
: public RGWLibRequest
,
1990 public RGWGetObj
/* RGWOp */
1993 const std::string
& bucket_name
;
1994 const std::string
& obj_name
;
1998 static constexpr uint32_t FLAG_NONE
= 0x000;
2000 RGWStatObjRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
2001 const std::string
& _bname
, const std::string
& _oname
,
2003 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
), obj_name(_oname
),
2004 _size(0), flags(_flags
) {
2007 /* fixup RGWGetObj (already know range parameters) */
2008 RGWGetObj::range_parsed
= true;
2009 RGWGetObj::get_data
= false; // XXX
2010 RGWGetObj::partial_content
= true;
2012 RGWGetObj::end
= UINT64_MAX
;
2015 const string
name() override
{ return "stat_obj"; }
2016 RGWOpType
get_type() override
{ return RGW_OP_STAT_OBJ
; }
2018 real_time
get_mtime() const {
2023 uint64_t get_size() { return _size
; }
2024 real_time
ctime() { return mod_time
; } // XXX
2025 real_time
mtime() { return mod_time
; }
2026 std::map
<string
, bufferlist
>& get_attrs() { return attrs
; }
2028 buffer::list
* get_attr(const std::string
& k
) {
2029 auto iter
= attrs
.find(k
);
2030 return (iter
!= attrs
.end()) ? &(iter
->second
) : nullptr;
2033 bool only_bucket() override
{ return false; }
2035 int op_init() override
{
2036 // assign store, s, and dialect_handler
2037 RGWObjectCtx
* rados_ctx
2038 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2039 // framework promises to call op_init after parent init
2041 RGWOp::init(rados_ctx
->store
, get_state(), this);
2042 op
= this; // assign self as op: REQUIRED
2046 int header_init() override
{
2048 struct req_state
* s
= get_state();
2049 s
->info
.method
= "GET";
2052 /* XXX derp derp derp */
2053 s
->relative_uri
= make_uri(bucket_name
, obj_name
);
2054 s
->info
.request_uri
= s
->relative_uri
; // XXX
2055 s
->info
.effective_uri
= s
->relative_uri
;
2056 s
->info
.request_params
= "";
2057 s
->info
.domain
= ""; /* XXX ? */
2065 int get_params() override
{
2069 int send_response_data(ceph::buffer::list
& _bl
, off_t s_off
,
2070 off_t e_off
) override
{
2072 /* XXX save attrs? */
2076 int send_response_data_error() override
{
2081 void execute() override
{
2082 RGWGetObj::execute();
2083 _size
= get_state()->obj_size
;
2086 }; /* RGWStatObjRequest */
2088 class RGWStatBucketRequest
: public RGWLibRequest
,
2089 public RGWStatBucket
/* RGWOp */
2093 std::map
<std::string
, buffer::list
> attrs
;
2094 RGWLibFS::BucketStats
& bs
;
2096 RGWStatBucketRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
2097 const std::string
& _path
,
2098 RGWLibFS::BucketStats
& _stats
)
2099 : RGWLibRequest(_cct
, _user
), bs(_stats
) {
2104 buffer::list
* get_attr(const std::string
& k
) {
2105 auto iter
= attrs
.find(k
);
2106 return (iter
!= attrs
.end()) ? &(iter
->second
) : nullptr;
2109 real_time
get_ctime() const {
2110 return bucket
.creation_time
;
2113 bool only_bucket() override
{ return false; }
2115 int op_init() override
{
2116 // assign store, s, and dialect_handler
2117 RGWObjectCtx
* rados_ctx
2118 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2119 // framework promises to call op_init after parent init
2121 RGWOp::init(rados_ctx
->store
, get_state(), this);
2122 op
= this; // assign self as op: REQUIRED
2126 int header_init() override
{
2128 struct req_state
* s
= get_state();
2129 s
->info
.method
= "GET";
2132 /* XXX derp derp derp */
2133 s
->relative_uri
= uri
;
2134 s
->info
.request_uri
= uri
; // XXX
2135 s
->info
.effective_uri
= uri
;
2136 s
->info
.request_params
= "";
2137 s
->info
.domain
= ""; /* XXX ? */
2145 virtual int get_params() {
2149 void send_response() override
{
2150 bucket
.creation_time
= get_state()->bucket_info
.creation_time
;
2151 bs
.size
= bucket
.size
;
2152 bs
.size_rounded
= bucket
.size_rounded
;
2153 bs
.creation_time
= bucket
.creation_time
;
2154 bs
.num_entries
= bucket
.count
;
2155 std::swap(attrs
, get_state()->bucket_attrs
);
2159 return (bucket
.bucket
.name
.length() > 0);
2162 }; /* RGWStatBucketRequest */
2164 class RGWStatLeafRequest
: public RGWLibRequest
,
2165 public RGWListBucket
/* RGWOp */
2168 RGWFileHandle
* rgw_fh
;
2174 RGWStatLeafRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
2175 RGWFileHandle
* _rgw_fh
, const std::string
& _path
)
2176 : RGWLibRequest(_cct
, _user
), rgw_fh(_rgw_fh
), path(_path
),
2177 matched(false), is_dir(false), exact_matched(false) {
2178 default_max
= 1000; // logical max {"foo", "foo/"}
2182 bool only_bucket() override
{ return true; }
2184 int op_init() override
{
2185 // assign store, s, and dialect_handler
2186 RGWObjectCtx
* rados_ctx
2187 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2188 // framework promises to call op_init after parent init
2190 RGWOp::init(rados_ctx
->store
, get_state(), this);
2191 op
= this; // assign self as op: REQUIRED
2195 int header_init() override
{
2197 struct req_state
* s
= get_state();
2198 s
->info
.method
= "GET";
2201 /* XXX derp derp derp */
2202 std::string uri
= "/" + rgw_fh
->bucket_name() + "/";
2203 s
->relative_uri
= uri
;
2204 s
->info
.request_uri
= uri
; // XXX
2205 s
->info
.effective_uri
= uri
;
2206 s
->info
.request_params
= "";
2207 s
->info
.domain
= ""; /* XXX ? */
2212 prefix
= rgw_fh
->relative_object_name();
2213 if (prefix
.length() > 0)
2221 int get_params() override
{
2226 void send_response() override
{
2227 struct req_state
* s
= get_state();
2229 for (const auto& iter
: objs
) {
2230 auto& name
= iter
.key
.name
;
2231 lsubdout(cct
, rgw
, 15) << "RGWStatLeafRequest "
2233 << "list uri=" << s
->relative_uri
<< " "
2234 << " prefix=" << prefix
<< " "
2235 << " obj path=" << name
<< ""
2236 << " target = " << path
<< ""
2238 /* XXX is there a missing match-dir case (trailing '/')? */
2241 exact_matched
= true;
2245 for (auto& iter
: common_prefixes
) {
2246 auto& name
= iter
.first
;
2247 lsubdout(cct
, rgw
, 15) << "RGWStatLeafRequest "
2249 << "list uri=" << s
->relative_uri
<< " "
2250 << " prefix=" << prefix
<< " "
2251 << " pref path=" << name
<< " (not chomped)"
2252 << " target = " << path
<< ""
2260 virtual void send_versioned_response() {
2263 }; /* RGWStatLeafRequest */
2269 class RGWWriteRequest
: public RGWLibContinuedReq
,
2270 public RGWPutObj
/* RGWOp */
2273 const std::string
& bucket_name
;
2274 const std::string
& obj_name
;
2275 RGWFileHandle
* rgw_fh
;
2276 RGWPutObjProcessor
* processor
;
2277 RGWPutObjDataProcessor
* filter
;
2278 boost::optional
<RGWPutObj_Compress
> compressor
;
2279 CompressorRef plugin
;
2284 size_t bytes_written
;
2288 RGWWriteRequest(CephContext
* _cct
, RGWUserInfo
*_user
, RGWFileHandle
* _fh
,
2289 const std::string
& _bname
, const std::string
& _oname
)
2290 : RGWLibContinuedReq(_cct
, _user
), bucket_name(_bname
), obj_name(_oname
),
2291 rgw_fh(_fh
), processor(nullptr), filter(nullptr), real_ofs(0),
2292 bytes_written(0), multipart(false), eio(false) {
2294 int ret
= header_init();
2296 ret
= init_from_header(get_state());
2301 bool only_bucket() override
{ return true; }
2303 int op_init() override
{
2304 // assign store, s, and dialect_handler
2305 RGWObjectCtx
* rados_ctx
2306 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2307 // framework promises to call op_init after parent init
2309 RGWOp::init(rados_ctx
->store
, get_state(), this);
2310 op
= this; // assign self as op: REQUIRED
2314 int header_init() override
{
2316 struct req_state
* s
= get_state();
2317 s
->info
.method
= "PUT";
2320 /* XXX derp derp derp */
2321 std::string uri
= make_uri(bucket_name
, obj_name
);
2322 s
->relative_uri
= uri
;
2323 s
->info
.request_uri
= uri
; // XXX
2324 s
->info
.effective_uri
= uri
;
2325 s
->info
.request_params
= "";
2326 s
->info
.domain
= ""; /* XXX ? */
2334 RGWPutObjProcessor
*select_processor(RGWObjectCtx
& obj_ctx
,
2335 bool *is_multipart
) override
{
2336 struct req_state
* s
= get_state();
2337 uint64_t part_size
= s
->cct
->_conf
->rgw_obj_stripe_size
;
2338 RGWPutObjProcessor_Atomic
*processor
=
2339 new RGWPutObjProcessor_Atomic(obj_ctx
, s
->bucket_info
, s
->bucket
,
2340 s
->object
.name
, part_size
, s
->req_id
,
2341 s
->bucket_info
.versioning_enabled());
2342 processor
->set_olh_epoch(olh_epoch
);
2343 processor
->set_version_id(version_id
);
2347 int get_params() override
{
2348 struct req_state
* s
= get_state();
2349 RGWAccessControlPolicy_S3
s3policy(s
->cct
);
2350 /* we don't have (any) headers, so just create canned ACLs */
2351 int ret
= s3policy
.create_canned(s
->owner
, s
->bucket_owner
, s
->canned_acl
);
2356 int get_data(buffer::list
& _bl
) override
{
2357 /* XXX for now, use sharing semantics */
2358 uint32_t len
= data
.length();
2360 bytes_written
+= len
;
2364 void put_data(off_t off
, buffer::list
& _bl
) {
2365 if (off
!= real_ofs
) {
2369 real_ofs
+= data
.length();
2370 ofs
= off
; /* consumed in exec_continue() */
2373 int exec_start() override
;
2374 int exec_continue() override
;
2375 int exec_finish() override
;
2377 void send_response() override
{}
2379 int verify_params() override
{
2382 }; /* RGWWriteRequest */
2387 class RGWCopyObjRequest
: public RGWLibRequest
,
2388 public RGWCopyObj
/* RGWOp */
2391 RGWFileHandle
* src_parent
;
2392 RGWFileHandle
* dst_parent
;
2393 const std::string
& src_name
;
2394 const std::string
& dst_name
;
2396 RGWCopyObjRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
2397 RGWFileHandle
* _src_parent
, RGWFileHandle
* _dst_parent
,
2398 const std::string
& _src_name
, const std::string
& _dst_name
)
2399 : RGWLibRequest(_cct
, _user
), src_parent(_src_parent
),
2400 dst_parent(_dst_parent
), src_name(_src_name
), dst_name(_dst_name
) {
2401 /* all requests have this */
2404 /* allow this request to replace selected attrs */
2405 attrs_mod
= RGWRados::ATTRSMOD_MERGE
;
2408 bool only_bucket() override
{ return true; }
2410 int op_init() override
{
2411 // assign store, s, and dialect_handler
2412 RGWObjectCtx
* rados_ctx
2413 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2414 // framework promises to call op_init after parent init
2416 RGWOp::init(rados_ctx
->store
, get_state(), this);
2417 op
= this; // assign self as op: REQUIRED
2422 int header_init() override
{
2424 struct req_state
* s
= get_state();
2425 s
->info
.method
= "PUT"; // XXX check
2428 src_bucket_name
= src_parent
->bucket_name();
2429 // need s->src_bucket_name?
2430 src_object
.name
= src_parent
->format_child_name(src_name
, false);
2431 // need s->src_object?
2433 dest_bucket_name
= dst_parent
->bucket_name();
2434 // need s->bucket.name?
2435 dest_object
= dst_parent
->format_child_name(dst_name
, false);
2436 // need s->object_name?
2438 int rc
= valid_s3_object_name(dest_object
);
2442 /* XXX and fixup key attr (could optimize w/string ref and
2444 buffer::list ux_key
;
2445 fh_key fhk
= dst_parent
->make_fhk(dst_name
);
2446 rgw::encode(fhk
, ux_key
);
2447 emplace_attr(RGW_ATTR_UNIX_KEY1
, std::move(ux_key
));
2449 #if 0 /* XXX needed? */
2450 s
->relative_uri
= uri
;
2451 s
->info
.request_uri
= uri
; // XXX
2452 s
->info
.effective_uri
= uri
;
2453 s
->info
.request_params
= "";
2454 s
->info
.domain
= ""; /* XXX ? */
2463 int get_params() override
{
2464 struct req_state
* s
= get_state();
2465 RGWAccessControlPolicy_S3
s3policy(s
->cct
);
2466 /* we don't have (any) headers, so just create canned ACLs */
2467 int ret
= s3policy
.create_canned(s
->owner
, s
->bucket_owner
, s
->canned_acl
);
2468 dest_policy
= s3policy
;
2472 void send_response() override
{}
2473 void send_partial_response(off_t ofs
) override
{}
2475 }; /* RGWCopyObjRequest */
2477 class RGWSetAttrsRequest
: public RGWLibRequest
,
2478 public RGWSetAttrs
/* RGWOp */
2481 const std::string
& bucket_name
;
2482 const std::string
& obj_name
;
2484 RGWSetAttrsRequest(CephContext
* _cct
, RGWUserInfo
*_user
,
2485 const std::string
& _bname
, const std::string
& _oname
)
2486 : RGWLibRequest(_cct
, _user
), bucket_name(_bname
), obj_name(_oname
) {
2490 bool only_bucket() override
{ return false; }
2492 int op_init() override
{
2493 // assign store, s, and dialect_handler
2494 RGWObjectCtx
* rados_ctx
2495 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2496 // framework promises to call op_init after parent init
2498 RGWOp::init(rados_ctx
->store
, get_state(), this);
2499 op
= this; // assign self as op: REQUIRED
2503 int header_init() override
{
2505 struct req_state
* s
= get_state();
2506 s
->info
.method
= "PUT";
2509 /* XXX derp derp derp */
2510 std::string uri
= make_uri(bucket_name
, obj_name
);
2511 s
->relative_uri
= uri
;
2512 s
->info
.request_uri
= uri
; // XXX
2513 s
->info
.effective_uri
= uri
;
2514 s
->info
.request_params
= "";
2515 s
->info
.domain
= ""; /* XXX ? */
2523 int get_params() override
{
2527 void send_response() override
{}
2529 }; /* RGWSetAttrsRequest */
2532 * Send request to get the rados cluster stats
2534 class RGWGetClusterStatReq
: public RGWLibRequest
,
2535 public RGWGetClusterStat
{
2537 struct rados_cluster_stat_t
& stats_req
;
2538 RGWGetClusterStatReq(CephContext
* _cct
,RGWUserInfo
*_user
,
2539 rados_cluster_stat_t
& _stats
):
2540 RGWLibRequest(_cct
, _user
), stats_req(_stats
){
2544 int op_init() override
{
2545 // assign store, s, and dialect_handler
2546 RGWObjectCtx
* rados_ctx
2547 = static_cast<RGWObjectCtx
*>(get_state()->obj_ctx
);
2548 // framework promises to call op_init after parent init
2550 RGWOp::init(rados_ctx
->store
, get_state(), this);
2551 op
= this; // assign self as op: REQUIRED
2555 int header_init() override
{
2556 struct req_state
* s
= get_state();
2557 s
->info
.method
= "GET";
2563 int get_params() override
{ return 0; }
2564 bool only_bucket() override
{ return false; }
2565 void send_response() override
{
2566 stats_req
.kb
= stats_op
.kb
;
2567 stats_req
.kb_avail
= stats_op
.kb_avail
;
2568 stats_req
.kb_used
= stats_op
.kb_used
;
2569 stats_req
.num_objects
= stats_op
.num_objects
;
2571 }; /* RGWGetClusterStatReq */
2574 } /* namespace rgw */
2576 #endif /* RGW_FILE_H */