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1 | /* |
2 | * Permission is hereby granted, free of charge, to any person obtaining a | |
3 | * copy of this software and associated documentation files (the "Software"), | |
4 | * to deal in the Software without restriction, including without limitation | |
5 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
6 | * and/or sell copies of the Software, and to permit persons to whom the | |
7 | * Software is furnished to do so, subject to the following conditions: | |
8 | * | |
9 | * The above copyright notice and this permission notice shall be included in | |
10 | * all copies or substantial portions of the Software. | |
11 | * | |
12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
13 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
14 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
15 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
16 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
17 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
18 | * DEALINGS IN THE SOFTWARE. | |
19 | */ | |
20 | #include <sys/types.h> | |
21 | #include <sys/stat.h> | |
22 | #include <string.h> | |
23 | #include <errno.h> | |
24 | #include <unistd.h> | |
25 | #include <fcntl.h> | |
26 | #include <sys/un.h> | |
27 | #include <jni.h> | |
28 | ||
29 | #include "ScopedLocalRef.h" | |
30 | #include "JniConstants.h" | |
31 | ||
32 | #include "include/cephfs/libcephfs.h" | |
33 | #include "common/dout.h" | |
34 | ||
35 | #define dout_subsys ceph_subsys_javaclient | |
36 | ||
37 | #include "com_ceph_fs_CephMount.h" | |
38 | ||
39 | #define CEPH_STAT_CP "com/ceph/fs/CephStat" | |
40 | #define CEPH_STAT_VFS_CP "com/ceph/fs/CephStatVFS" | |
41 | #define CEPH_FILE_EXTENT_CP "com/ceph/fs/CephFileExtent" | |
42 | #define CEPH_MOUNT_CP "com/ceph/fs/CephMount" | |
43 | #define CEPH_NOTMOUNTED_CP "com/ceph/fs/CephNotMountedException" | |
44 | #define CEPH_FILEEXISTS_CP "com/ceph/fs/CephFileAlreadyExistsException" | |
45 | #define CEPH_ALREADYMOUNTED_CP "com/ceph/fs/CephAlreadyMountedException" | |
46 | #define CEPH_NOTDIR_CP "com/ceph/fs/CephNotDirectoryException" | |
47 | ||
48 | /* | |
49 | * Flags to open(). must be synchronized with CephMount.java | |
50 | * | |
51 | * There are two versions of flags: the version in Java and the version in the | |
52 | * target library (e.g. libc or libcephfs). We control the Java values and map | |
53 | * to the target value with fixup_* functions below. This is much faster than | |
54 | * keeping the values in Java and making a cross-JNI up-call to retrieve them, | |
55 | * and makes it easy to keep any platform specific value changes in this file. | |
56 | */ | |
57 | #define JAVA_O_RDONLY 1 | |
58 | #define JAVA_O_RDWR 2 | |
59 | #define JAVA_O_APPEND 4 | |
60 | #define JAVA_O_CREAT 8 | |
61 | #define JAVA_O_TRUNC 16 | |
62 | #define JAVA_O_EXCL 32 | |
63 | #define JAVA_O_WRONLY 64 | |
64 | #define JAVA_O_DIRECTORY 128 | |
65 | ||
66 | /* | |
67 | * Whence flags for seek(). sync with CephMount.java if changed. | |
68 | * | |
69 | * Mapping of SEEK_* done in seek function. | |
70 | */ | |
71 | #define JAVA_SEEK_SET 1 | |
72 | #define JAVA_SEEK_CUR 2 | |
73 | #define JAVA_SEEK_END 3 | |
74 | ||
75 | /* | |
76 | * File attribute flags. sync with CephMount.java if changed. | |
77 | */ | |
78 | #define JAVA_SETATTR_MODE 1 | |
79 | #define JAVA_SETATTR_UID 2 | |
80 | #define JAVA_SETATTR_GID 4 | |
81 | #define JAVA_SETATTR_MTIME 8 | |
82 | #define JAVA_SETATTR_ATIME 16 | |
83 | ||
84 | /* | |
85 | * Setxattr flags. sync with CephMount.java if changed. | |
86 | */ | |
87 | #define JAVA_XATTR_CREATE 1 | |
88 | #define JAVA_XATTR_REPLACE 2 | |
89 | #define JAVA_XATTR_NONE 3 | |
90 | ||
91 | /* | |
92 | * flock flags. sync with CephMount.java if changed. | |
93 | */ | |
94 | #define JAVA_LOCK_SH 1 | |
95 | #define JAVA_LOCK_EX 2 | |
96 | #define JAVA_LOCK_NB 4 | |
97 | #define JAVA_LOCK_UN 8 | |
98 | ||
99 | /* Map JAVA_O_* open flags to values in libc */ | |
100 | static inline int fixup_open_flags(jint jflags) | |
101 | { | |
102 | int ret = 0; | |
103 | ||
104 | #define FIXUP_OPEN_FLAG(name) \ | |
105 | if (jflags & JAVA_##name) \ | |
106 | ret |= name; | |
107 | ||
108 | FIXUP_OPEN_FLAG(O_RDONLY) | |
109 | FIXUP_OPEN_FLAG(O_RDWR) | |
110 | FIXUP_OPEN_FLAG(O_APPEND) | |
111 | FIXUP_OPEN_FLAG(O_CREAT) | |
112 | FIXUP_OPEN_FLAG(O_TRUNC) | |
113 | FIXUP_OPEN_FLAG(O_EXCL) | |
114 | FIXUP_OPEN_FLAG(O_WRONLY) | |
115 | FIXUP_OPEN_FLAG(O_DIRECTORY) | |
116 | ||
117 | #undef FIXUP_OPEN_FLAG | |
118 | ||
119 | return ret; | |
120 | } | |
121 | ||
122 | /* Map JAVA_SETATTR_* to values in ceph lib */ | |
123 | static inline int fixup_attr_mask(jint jmask) | |
124 | { | |
125 | int mask = 0; | |
126 | ||
127 | #define FIXUP_ATTR_MASK(name) \ | |
128 | if (jmask & JAVA_##name) \ | |
129 | mask |= CEPH_##name; | |
130 | ||
131 | FIXUP_ATTR_MASK(SETATTR_MODE) | |
132 | FIXUP_ATTR_MASK(SETATTR_UID) | |
133 | FIXUP_ATTR_MASK(SETATTR_GID) | |
134 | FIXUP_ATTR_MASK(SETATTR_MTIME) | |
135 | FIXUP_ATTR_MASK(SETATTR_ATIME) | |
136 | ||
137 | #undef FIXUP_ATTR_MASK | |
138 | ||
139 | return mask; | |
140 | } | |
141 | ||
142 | /* Cached field IDs for com.ceph.fs.CephStat */ | |
143 | static jfieldID cephstat_mode_fid; | |
144 | static jfieldID cephstat_uid_fid; | |
145 | static jfieldID cephstat_gid_fid; | |
146 | static jfieldID cephstat_size_fid; | |
147 | static jfieldID cephstat_blksize_fid; | |
148 | static jfieldID cephstat_blocks_fid; | |
149 | static jfieldID cephstat_a_time_fid; | |
150 | static jfieldID cephstat_m_time_fid; | |
151 | static jfieldID cephstat_is_file_fid; | |
152 | static jfieldID cephstat_is_directory_fid; | |
153 | static jfieldID cephstat_is_symlink_fid; | |
154 | ||
155 | /* Cached field IDs for com.ceph.fs.CephStatVFS */ | |
156 | static jfieldID cephstatvfs_bsize_fid; | |
157 | static jfieldID cephstatvfs_frsize_fid; | |
158 | static jfieldID cephstatvfs_blocks_fid; | |
159 | static jfieldID cephstatvfs_bavail_fid; | |
160 | static jfieldID cephstatvfs_files_fid; | |
161 | static jfieldID cephstatvfs_fsid_fid; | |
162 | static jfieldID cephstatvfs_namemax_fid; | |
163 | ||
164 | /* Cached field IDs for com.ceph.fs.CephMount */ | |
165 | static jfieldID cephmount_instance_ptr_fid; | |
166 | ||
167 | /* Cached field IDs for com.ceph.fs.CephFileExtent */ | |
168 | static jclass cephfileextent_cls; | |
169 | static jmethodID cephfileextent_ctor_fid; | |
170 | ||
171 | /* | |
172 | * Exception throwing helper. Adapted from Apache Hadoop header | |
173 | * org_apache_hadoop.h by adding the do {} while (0) construct. | |
174 | */ | |
175 | #define THROW(env, exception_name, message) \ | |
176 | do { \ | |
177 | jclass ecls = env->FindClass(exception_name); \ | |
178 | if (ecls) { \ | |
179 | int ret = env->ThrowNew(ecls, message); \ | |
180 | if (ret < 0) { \ | |
181 | printf("(CephFS) Fatal Error\n"); \ | |
182 | } \ | |
183 | env->DeleteLocalRef(ecls); \ | |
184 | } \ | |
185 | } while (0) | |
186 | ||
187 | ||
188 | static void cephThrowNullArg(JNIEnv *env, const char *msg) | |
189 | { | |
190 | THROW(env, "java/lang/NullPointerException", msg); | |
191 | } | |
192 | ||
193 | static void cephThrowOutOfMemory(JNIEnv *env, const char *msg) | |
194 | { | |
195 | THROW(env, "java/lang/OutOfMemoryError", msg); | |
196 | } | |
197 | ||
198 | static void cephThrowInternal(JNIEnv *env, const char *msg) | |
199 | { | |
200 | THROW(env, "java/lang/InternalError", msg); | |
201 | } | |
202 | ||
203 | static void cephThrowIndexBounds(JNIEnv *env, const char *msg) | |
204 | { | |
205 | THROW(env, "java/lang/IndexOutOfBoundsException", msg); | |
206 | } | |
207 | ||
208 | static void cephThrowIllegalArg(JNIEnv *env, const char *msg) | |
209 | { | |
210 | THROW(env, "java/lang/IllegalArgumentException", msg); | |
211 | } | |
212 | ||
213 | static void cephThrowFNF(JNIEnv *env, const char *msg) | |
214 | { | |
215 | THROW(env, "java/io/FileNotFoundException", msg); | |
216 | } | |
217 | ||
218 | static void cephThrowFileExists(JNIEnv *env, const char *msg) | |
219 | { | |
220 | THROW(env, CEPH_FILEEXISTS_CP, msg); | |
221 | } | |
222 | ||
223 | static void cephThrowNotDir(JNIEnv *env, const char *msg) | |
224 | { | |
225 | THROW(env, CEPH_NOTDIR_CP, msg); | |
226 | } | |
227 | ||
228 | static void handle_error(JNIEnv *env, int rc) | |
229 | { | |
230 | switch (rc) { | |
231 | case -ENOENT: | |
232 | cephThrowFNF(env, ""); | |
233 | return; | |
234 | case -EEXIST: | |
235 | cephThrowFileExists(env, ""); | |
236 | return; | |
237 | case -ENOTDIR: | |
238 | cephThrowNotDir(env, ""); | |
239 | return; | |
240 | default: | |
241 | break; | |
242 | } | |
243 | ||
244 | THROW(env, "java/io/IOException", strerror(-rc)); | |
245 | } | |
246 | ||
247 | #define CHECK_ARG_NULL(v, m, r) do { \ | |
248 | if (!(v)) { \ | |
249 | cephThrowNullArg(env, (m)); \ | |
250 | return (r); \ | |
251 | } } while (0) | |
252 | ||
253 | #define CHECK_ARG_BOUNDS(c, m, r) do { \ | |
254 | if ((c)) { \ | |
255 | cephThrowIndexBounds(env, (m)); \ | |
256 | return (r); \ | |
257 | } } while (0) | |
258 | ||
259 | #define CHECK_MOUNTED(_c, _r) do { \ | |
260 | if (!ceph_is_mounted((_c))) { \ | |
261 | THROW(env, CEPH_NOTMOUNTED_CP, "not mounted"); \ | |
262 | return (_r); \ | |
263 | } } while (0) | |
264 | ||
265 | /* | |
266 | * Cast a jlong to ceph_mount_info. Each JNI function is expected to pass in | |
267 | * the class instance variable instance_ptr. Passing a parameter is faster | |
268 | * than reaching back into Java via an upcall to retreive this pointer. | |
269 | */ | |
270 | static inline struct ceph_mount_info *get_ceph_mount(jlong j_mntp) | |
271 | { | |
272 | return (struct ceph_mount_info *)j_mntp; | |
273 | } | |
274 | ||
275 | /* | |
276 | * Setup cached field IDs | |
277 | */ | |
278 | static void setup_field_ids(JNIEnv *env, jclass clz) | |
279 | { | |
280 | jclass cephstat_cls; | |
281 | jclass cephstatvfs_cls; | |
282 | jclass tmp_cephfileextent_cls; | |
283 | ||
284 | /* | |
285 | * Get a fieldID from a class with a specific type | |
286 | * | |
287 | * clz: jclass | |
288 | * field: field in clz | |
289 | * type: integer, long, etc.. | |
290 | * | |
291 | * This macro assumes some naming convention that is used | |
292 | * only in this file: | |
293 | * | |
294 | * GETFID(cephstat, mode, I) gets translated into | |
295 | * cephstat_mode_fid = env->GetFieldID(cephstat_cls, "mode", "I"); | |
296 | */ | |
297 | #define GETFID(clz, field, type) do { \ | |
298 | clz ## _ ## field ## _fid = env->GetFieldID(clz ## _cls, #field, #type); \ | |
299 | if ( ! clz ## _ ## field ## _fid ) \ | |
300 | return; \ | |
301 | } while (0) | |
302 | ||
303 | /* Cache CephStat fields */ | |
304 | ||
305 | cephstat_cls = env->FindClass(CEPH_STAT_CP); | |
306 | if (!cephstat_cls) | |
307 | return; | |
308 | ||
309 | GETFID(cephstat, mode, I); | |
310 | GETFID(cephstat, uid, I); | |
311 | GETFID(cephstat, gid, I); | |
312 | GETFID(cephstat, size, J); | |
313 | GETFID(cephstat, blksize, J); | |
314 | GETFID(cephstat, blocks, J); | |
315 | GETFID(cephstat, a_time, J); | |
316 | GETFID(cephstat, m_time, J); | |
317 | GETFID(cephstat, is_file, Z); | |
318 | GETFID(cephstat, is_directory, Z); | |
319 | GETFID(cephstat, is_symlink, Z); | |
320 | ||
321 | /* Cache CephStatVFS fields */ | |
322 | ||
323 | cephstatvfs_cls = env->FindClass(CEPH_STAT_VFS_CP); | |
324 | if (!cephstatvfs_cls) | |
325 | return; | |
326 | ||
327 | GETFID(cephstatvfs, bsize, J); | |
328 | GETFID(cephstatvfs, frsize, J); | |
329 | GETFID(cephstatvfs, blocks, J); | |
330 | GETFID(cephstatvfs, bavail, J); | |
331 | GETFID(cephstatvfs, files, J); | |
332 | GETFID(cephstatvfs, fsid, J); | |
333 | GETFID(cephstatvfs, namemax, J); | |
334 | ||
335 | /* Cache CephFileExtent fields */ | |
336 | ||
337 | tmp_cephfileextent_cls = env->FindClass(CEPH_FILE_EXTENT_CP); | |
338 | if (!tmp_cephfileextent_cls) | |
339 | return; | |
340 | ||
341 | cephfileextent_cls = (jclass)env->NewGlobalRef(tmp_cephfileextent_cls); | |
342 | env->DeleteLocalRef(tmp_cephfileextent_cls); | |
343 | ||
344 | cephfileextent_ctor_fid = env->GetMethodID(cephfileextent_cls, "<init>", "(JJ[I)V"); | |
345 | if (!cephfileextent_ctor_fid) | |
346 | return; | |
347 | ||
348 | JniConstants::init(env); | |
349 | ||
350 | #undef GETFID | |
351 | ||
352 | cephmount_instance_ptr_fid = env->GetFieldID(clz, "instance_ptr", "J"); | |
353 | } | |
354 | ||
355 | ||
356 | /* | |
357 | * Class: com_ceph_fs_CephMount | |
358 | * Method: native_initialize | |
359 | * Signature: ()V | |
360 | */ | |
361 | JNIEXPORT void JNICALL Java_com_ceph_fs_CephMount_native_1initialize | |
362 | (JNIEnv *env, jclass clz) | |
363 | { | |
364 | setup_field_ids(env, clz); | |
365 | } | |
366 | ||
367 | /* | |
368 | * Class: com_ceph_fs_CephMount | |
369 | * Method: native_ceph_create | |
370 | * Signature: (Lcom/ceph/fs/CephMount;Ljava/lang/String;)I | |
371 | */ | |
372 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1create | |
373 | (JNIEnv *env, jclass clz, jobject j_cephmount, jstring j_id) | |
374 | { | |
375 | struct ceph_mount_info *cmount; | |
376 | const char *c_id = NULL; | |
377 | int ret; | |
378 | ||
379 | CHECK_ARG_NULL(j_cephmount, "@mount is null", -1); | |
380 | ||
381 | if (j_id) { | |
382 | c_id = env->GetStringUTFChars(j_id, NULL); | |
383 | if (!c_id) { | |
384 | cephThrowInternal(env, "Failed to pin memory"); | |
385 | return -1; | |
386 | } | |
387 | } | |
388 | ||
389 | ret = ceph_create(&cmount, c_id); | |
390 | ||
391 | if (c_id) | |
392 | env->ReleaseStringUTFChars(j_id, c_id); | |
393 | ||
394 | if (ret) { | |
395 | THROW(env, "java/lang/RuntimeException", "failed to create Ceph mount object"); | |
396 | return ret; | |
397 | } | |
398 | ||
399 | env->SetLongField(j_cephmount, cephmount_instance_ptr_fid, (long)cmount); | |
400 | ||
401 | return ret; | |
402 | } | |
403 | ||
404 | /* | |
405 | * Class: com_ceph_fs_CephMount | |
406 | * Method: native_ceph_mount | |
407 | * Signature: (JLjava/lang/String;)I | |
408 | */ | |
409 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mount | |
410 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_root) | |
411 | { | |
412 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
413 | CephContext *cct = ceph_get_mount_context(cmount); | |
414 | const char *c_root = NULL; | |
415 | int ret; | |
416 | ||
417 | /* | |
418 | * Toss a message up if we are already mounted. | |
419 | */ | |
420 | if (ceph_is_mounted(cmount)) { | |
421 | THROW(env, CEPH_ALREADYMOUNTED_CP, ""); | |
422 | return -1; | |
423 | } | |
424 | ||
425 | if (j_root) { | |
426 | c_root = env->GetStringUTFChars(j_root, NULL); | |
427 | if (!c_root) { | |
428 | cephThrowInternal(env, "Failed to pin memory"); | |
429 | return -1; | |
430 | } | |
431 | } | |
432 | ||
433 | ldout(cct, 10) << "jni: ceph_mount: " << (c_root ? c_root : "<NULL>") << dendl; | |
434 | ||
435 | ret = ceph_mount(cmount, c_root); | |
436 | ||
437 | ldout(cct, 10) << "jni: ceph_mount: exit ret " << ret << dendl; | |
438 | ||
439 | if (c_root) | |
440 | env->ReleaseStringUTFChars(j_root, c_root); | |
441 | ||
442 | if (ret) | |
443 | handle_error(env, ret); | |
444 | ||
445 | return ret; | |
446 | } | |
447 | ||
448 | /* | |
449 | * Class: com_ceph_fs_CephMount | |
450 | * Method: native_ceph_unmount | |
451 | * Signature: (J)I | |
452 | */ | |
453 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1unmount | |
454 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
455 | { | |
456 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
457 | CephContext *cct = ceph_get_mount_context(cmount); | |
458 | int ret; | |
459 | ||
460 | ldout(cct, 10) << "jni: ceph_unmount enter" << dendl; | |
461 | ||
462 | CHECK_MOUNTED(cmount, -1); | |
463 | ||
464 | ret = ceph_unmount(cmount); | |
465 | ||
466 | ldout(cct, 10) << "jni: ceph_unmount exit ret " << ret << dendl; | |
467 | ||
468 | if (ret) | |
469 | handle_error(env, ret); | |
470 | ||
471 | return ret; | |
472 | } | |
473 | ||
474 | /* | |
475 | * Class: com_ceph_fs_CephMount | |
476 | * Method: native_ceph_release | |
477 | * Signature: (J)I | |
478 | */ | |
479 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1release | |
480 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
481 | { | |
482 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
483 | CephContext *cct = ceph_get_mount_context(cmount); | |
484 | int ret; | |
485 | ||
486 | ldout(cct, 10) << "jni: ceph_release called" << dendl; | |
487 | ||
488 | ret = ceph_release(cmount); | |
489 | ||
490 | if (ret) | |
491 | handle_error(env, ret); | |
492 | ||
493 | return ret; | |
494 | } | |
495 | ||
496 | /* | |
497 | * Class: com_ceph_fs_CephMount | |
498 | * Method: native_ceph_conf_set | |
499 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
500 | */ | |
501 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1set | |
502 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_opt, jstring j_val) | |
503 | { | |
504 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
505 | CephContext *cct = ceph_get_mount_context(cmount); | |
506 | const char *c_opt, *c_val; | |
507 | int ret; | |
508 | ||
509 | CHECK_ARG_NULL(j_opt, "@option is null", -1); | |
510 | CHECK_ARG_NULL(j_val, "@value is null", -1); | |
511 | ||
512 | c_opt = env->GetStringUTFChars(j_opt, NULL); | |
513 | if (!c_opt) { | |
514 | cephThrowInternal(env, "failed to pin memory"); | |
515 | return -1; | |
516 | } | |
517 | ||
518 | c_val = env->GetStringUTFChars(j_val, NULL); | |
519 | if (!c_val) { | |
520 | env->ReleaseStringUTFChars(j_opt, c_opt); | |
521 | cephThrowInternal(env, "failed to pin memory"); | |
522 | return -1; | |
523 | } | |
524 | ||
525 | ldout(cct, 10) << "jni: conf_set: opt " << c_opt << " val " << c_val << dendl; | |
526 | ||
527 | ret = ceph_conf_set(cmount, c_opt, c_val); | |
528 | ||
529 | ldout(cct, 10) << "jni: conf_set: exit ret " << ret << dendl; | |
530 | ||
531 | env->ReleaseStringUTFChars(j_opt, c_opt); | |
532 | env->ReleaseStringUTFChars(j_val, c_val); | |
533 | ||
534 | if (ret) | |
535 | handle_error(env, ret); | |
536 | ||
537 | return ret; | |
538 | } | |
539 | ||
540 | /* | |
541 | * Class: com_ceph_fs_CephMount | |
542 | * Method: native_ceph_conf_get | |
543 | * Signature: (JLjava/lang/String;)Ljava/lang/String; | |
544 | */ | |
545 | JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1get | |
546 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_opt) | |
547 | { | |
548 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
549 | CephContext *cct = ceph_get_mount_context(cmount); | |
550 | const char *c_opt; | |
551 | jstring value = NULL; | |
552 | int ret, buflen; | |
553 | char *buf; | |
554 | ||
555 | CHECK_ARG_NULL(j_opt, "@option is null", NULL); | |
556 | ||
557 | c_opt = env->GetStringUTFChars(j_opt, NULL); | |
558 | if (!c_opt) { | |
559 | cephThrowInternal(env, "failed to pin memory"); | |
560 | return NULL; | |
561 | } | |
562 | ||
563 | buflen = 128; | |
564 | buf = new (std::nothrow) char[buflen]; | |
565 | if (!buf) { | |
566 | cephThrowOutOfMemory(env, "head allocation failed"); | |
567 | goto out; | |
568 | } | |
569 | ||
570 | while (1) { | |
571 | memset(buf, 0, sizeof(char)*buflen); | |
572 | ldout(cct, 10) << "jni: conf_get: opt " << c_opt << " len " << buflen << dendl; | |
573 | ret = ceph_conf_get(cmount, c_opt, buf, buflen); | |
574 | if (ret == -ENAMETOOLONG) { | |
575 | buflen *= 2; | |
576 | delete [] buf; | |
577 | buf = new (std::nothrow) char[buflen]; | |
578 | if (!buf) { | |
579 | cephThrowOutOfMemory(env, "head allocation failed"); | |
580 | goto out; | |
581 | } | |
582 | } else | |
583 | break; | |
584 | } | |
585 | ||
586 | ldout(cct, 10) << "jni: conf_get: ret " << ret << dendl; | |
587 | ||
588 | if (ret == 0) | |
589 | value = env->NewStringUTF(buf); | |
590 | else if (ret != -ENOENT) | |
591 | handle_error(env, ret); | |
592 | ||
593 | delete [] buf; | |
594 | ||
595 | out: | |
596 | env->ReleaseStringUTFChars(j_opt, c_opt); | |
597 | return value; | |
598 | } | |
599 | ||
600 | /* | |
601 | * Class: com_ceph_fs_CephMount | |
602 | * Method: native_ceph_conf_read_file | |
603 | * Signature: (JLjava/lang/String;)I | |
604 | */ | |
605 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1conf_1read_1file | |
606 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
607 | { | |
608 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
609 | CephContext *cct = ceph_get_mount_context(cmount); | |
610 | const char *c_path; | |
611 | int ret; | |
612 | ||
613 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
614 | ||
615 | c_path = env->GetStringUTFChars(j_path, NULL); | |
616 | if (!c_path) { | |
617 | cephThrowInternal(env, "failed to pin memory"); | |
618 | return -1; | |
619 | } | |
620 | ||
621 | ldout(cct, 10) << "jni: conf_read_file: path " << c_path << dendl; | |
622 | ||
623 | ret = ceph_conf_read_file(cmount, c_path); | |
624 | ||
625 | ldout(cct, 10) << "jni: conf_read_file: exit ret " << ret << dendl; | |
626 | ||
627 | env->ReleaseStringUTFChars(j_path, c_path); | |
628 | ||
629 | if (ret) | |
630 | handle_error(env, ret); | |
631 | ||
632 | return ret; | |
633 | } | |
634 | ||
635 | /* | |
636 | * Class: com_ceph_fs_CephMount | |
637 | * Method: native_ceph_statfs | |
638 | * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStatVFS;)I | |
639 | */ | |
640 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1statfs | |
641 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstatvfs) | |
642 | { | |
643 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
644 | CephContext *cct = ceph_get_mount_context(cmount); | |
645 | const char *c_path; | |
646 | struct statvfs st; | |
647 | int ret; | |
648 | ||
649 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
650 | CHECK_ARG_NULL(j_cephstatvfs, "@stat is null", -1); | |
651 | CHECK_MOUNTED(cmount, -1); | |
652 | ||
653 | c_path = env->GetStringUTFChars(j_path, NULL); | |
654 | if (!c_path) { | |
655 | cephThrowInternal(env, "Failed to pin memory"); | |
656 | return -1; | |
657 | } | |
658 | ||
659 | ldout(cct, 10) << "jni: statfs: path " << c_path << dendl; | |
660 | ||
661 | ret = ceph_statfs(cmount, c_path, &st); | |
662 | ||
663 | ldout(cct, 10) << "jni: statfs: exit ret " << ret << dendl; | |
664 | ||
665 | env->ReleaseStringUTFChars(j_path, c_path); | |
666 | ||
667 | if (ret) { | |
668 | handle_error(env, ret); | |
669 | return ret; | |
670 | } | |
671 | ||
672 | env->SetLongField(j_cephstatvfs, cephstatvfs_bsize_fid, st.f_bsize); | |
673 | env->SetLongField(j_cephstatvfs, cephstatvfs_frsize_fid, st.f_frsize); | |
674 | env->SetLongField(j_cephstatvfs, cephstatvfs_blocks_fid, st.f_blocks); | |
675 | env->SetLongField(j_cephstatvfs, cephstatvfs_bavail_fid, st.f_bavail); | |
676 | env->SetLongField(j_cephstatvfs, cephstatvfs_files_fid, st.f_files); | |
677 | env->SetLongField(j_cephstatvfs, cephstatvfs_fsid_fid, st.f_fsid); | |
678 | env->SetLongField(j_cephstatvfs, cephstatvfs_namemax_fid, st.f_namemax); | |
679 | ||
680 | return ret; | |
681 | } | |
682 | ||
683 | /* | |
684 | * Class: com_ceph_fs_CephMount | |
685 | * Method: native_ceph_getcwd | |
686 | * Signature: (J)Ljava/lang/String; | |
687 | */ | |
688 | JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1getcwd | |
689 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
690 | { | |
691 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
692 | CephContext *cct = ceph_get_mount_context(cmount); | |
693 | const char *c_cwd; | |
694 | ||
695 | CHECK_MOUNTED(cmount, NULL); | |
696 | ||
697 | ldout(cct, 10) << "jni: getcwd: enter" << dendl; | |
698 | ||
699 | c_cwd = ceph_getcwd(cmount); | |
700 | if (!c_cwd) { | |
701 | cephThrowOutOfMemory(env, "ceph_getcwd"); | |
702 | return NULL; | |
703 | } | |
704 | ||
705 | ldout(cct, 10) << "jni: getcwd: exit ret " << c_cwd << dendl; | |
706 | ||
707 | return env->NewStringUTF(c_cwd); | |
708 | } | |
709 | ||
710 | /* | |
711 | * Class: com_ceph_fs_CephMount | |
712 | * Method: native_ceph_chdir | |
713 | * Signature: (JLjava/lang/String;)I | |
714 | */ | |
715 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1chdir | |
716 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
717 | { | |
718 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
719 | CephContext *cct = ceph_get_mount_context(cmount); | |
720 | const char *c_path; | |
721 | int ret; | |
722 | ||
723 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
724 | CHECK_MOUNTED(cmount, -1); | |
725 | ||
726 | c_path = env->GetStringUTFChars(j_path, NULL); | |
727 | if (!c_path) { | |
728 | cephThrowInternal(env, "failed to pin memory"); | |
729 | return -1; | |
730 | } | |
731 | ||
732 | ldout(cct, 10) << "jni: chdir: path " << c_path << dendl; | |
733 | ||
734 | ret = ceph_chdir(cmount, c_path); | |
735 | ||
736 | ldout(cct, 10) << "jni: chdir: exit ret " << ret << dendl; | |
737 | ||
738 | env->ReleaseStringUTFChars(j_path, c_path); | |
739 | ||
740 | if (ret) | |
741 | handle_error(env, ret); | |
742 | ||
743 | return ret; | |
744 | } | |
745 | ||
746 | /* | |
747 | * Class: com_ceph_fs_CephMount | |
748 | * Method: native_ceph_listdir | |
749 | * Signature: (JLjava/lang/String;)[Ljava/lang/String; | |
750 | */ | |
751 | JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1listdir | |
752 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
753 | { | |
754 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
755 | CephContext *cct = ceph_get_mount_context(cmount); | |
756 | struct ceph_dir_result *dirp; | |
757 | list<string>::iterator it; | |
758 | list<string> contents; | |
759 | const char *c_path; | |
760 | jobjectArray dirlist; | |
761 | string *ent; | |
762 | int ret, buflen, bufpos, i; | |
763 | jstring name; | |
764 | char *buf; | |
765 | ||
766 | CHECK_ARG_NULL(j_path, "@path is null", NULL); | |
767 | CHECK_MOUNTED(cmount, NULL); | |
768 | ||
769 | c_path = env->GetStringUTFChars(j_path, NULL); | |
770 | if (!c_path) { | |
771 | cephThrowInternal(env, "failed to pin memory"); | |
772 | return NULL; | |
773 | } | |
774 | ||
775 | ldout(cct, 10) << "jni: listdir: opendir: path " << c_path << dendl; | |
776 | ||
777 | /* ret < 0 also includes -ENOTDIR which should return NULL */ | |
778 | ret = ceph_opendir(cmount, c_path, &dirp); | |
779 | if (ret) { | |
780 | env->ReleaseStringUTFChars(j_path, c_path); | |
781 | handle_error(env, ret); | |
782 | return NULL; | |
783 | } | |
784 | ||
785 | ldout(cct, 10) << "jni: listdir: opendir: exit ret " << ret << dendl; | |
786 | ||
787 | /* buffer for ceph_getdnames() results */ | |
788 | buflen = 256; | |
789 | buf = new (std::nothrow) char[buflen]; | |
790 | if (!buf) { | |
791 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
792 | goto out; | |
793 | } | |
794 | ||
795 | while (1) { | |
796 | ldout(cct, 10) << "jni: listdir: getdnames: enter" << dendl; | |
797 | ret = ceph_getdnames(cmount, dirp, buf, buflen); | |
798 | if (ret == -ERANGE) { | |
799 | delete [] buf; | |
800 | buflen *= 2; | |
801 | buf = new (std::nothrow) char[buflen]; | |
802 | if (!buf) { | |
803 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
804 | goto out; | |
805 | } | |
806 | continue; | |
807 | } | |
808 | ||
809 | ldout(cct, 10) << "jni: listdir: getdnames: exit ret " << ret << dendl; | |
810 | ||
811 | if (ret <= 0) | |
812 | break; | |
813 | ||
814 | /* got at least one name */ | |
815 | bufpos = 0; | |
816 | while (bufpos < ret) { | |
817 | ent = new (std::nothrow) string(buf + bufpos); | |
818 | if (!ent) { | |
819 | delete [] buf; | |
820 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
821 | goto out; | |
822 | } | |
823 | ||
824 | /* filter out dot files: xref: java.io.File::list() */ | |
825 | if (ent->compare(".") && ent->compare("..")) { | |
826 | contents.push_back(*ent); | |
827 | ldout(cct, 20) << "jni: listdir: take path " << *ent << dendl; | |
828 | } | |
829 | ||
830 | bufpos += ent->size() + 1; | |
831 | delete ent; | |
832 | } | |
833 | } | |
834 | ||
835 | delete [] buf; | |
836 | ||
837 | if (ret < 0) { | |
838 | handle_error(env, ret); | |
839 | goto out; | |
840 | } | |
841 | ||
842 | /* directory list */ | |
843 | dirlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL); | |
844 | if (!dirlist) | |
845 | goto out; | |
846 | ||
847 | /* | |
848 | * Fill directory listing array. | |
849 | * | |
850 | * FIXME: how should a partially filled array be cleaned-up properly? | |
851 | */ | |
852 | for (i = 0, it = contents.begin(); it != contents.end(); ++it) { | |
853 | name = env->NewStringUTF(it->c_str()); | |
854 | if (!name) | |
855 | goto out; | |
856 | env->SetObjectArrayElement(dirlist, i++, name); | |
857 | if (env->ExceptionOccurred()) | |
858 | goto out; | |
859 | env->DeleteLocalRef(name); | |
860 | } | |
861 | ||
862 | env->ReleaseStringUTFChars(j_path, c_path); | |
863 | ceph_closedir(cmount, dirp); | |
864 | ||
865 | return dirlist; | |
866 | ||
867 | out: | |
868 | env->ReleaseStringUTFChars(j_path, c_path); | |
869 | ceph_closedir(cmount, dirp); | |
870 | return NULL; | |
871 | } | |
872 | ||
873 | /* | |
874 | * Class: com_ceph_fs_CephMount | |
875 | * Method: native_ceph_link | |
876 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
877 | */ | |
878 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1link | |
879 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_oldpath, jstring j_newpath) | |
880 | { | |
881 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
882 | CephContext *cct = ceph_get_mount_context(cmount); | |
883 | const char *c_oldpath, *c_newpath; | |
884 | int ret; | |
885 | ||
886 | CHECK_ARG_NULL(j_oldpath, "@oldpath is null", -1); | |
887 | CHECK_ARG_NULL(j_newpath, "@newpath is null", -1); | |
888 | CHECK_MOUNTED(cmount, -1); | |
889 | ||
890 | c_oldpath = env->GetStringUTFChars(j_oldpath, NULL); | |
891 | if (!c_oldpath) { | |
892 | cephThrowInternal(env, "failed to pin memory"); | |
893 | return -1; | |
894 | } | |
895 | ||
896 | c_newpath = env->GetStringUTFChars(j_newpath, NULL); | |
897 | if (!c_newpath) { | |
898 | env->ReleaseStringUTFChars(j_oldpath, c_oldpath); | |
899 | cephThrowInternal(env, "failed to pin memory"); | |
900 | return -1; | |
901 | } | |
902 | ||
903 | ldout(cct, 10) << "jni: link: oldpath " << c_oldpath << | |
904 | " newpath " << c_newpath << dendl; | |
905 | ||
906 | ret = ceph_link(cmount, c_oldpath, c_newpath); | |
907 | ||
908 | ldout(cct, 10) << "jni: link: exit ret " << ret << dendl; | |
909 | ||
910 | env->ReleaseStringUTFChars(j_oldpath, c_oldpath); | |
911 | env->ReleaseStringUTFChars(j_newpath, c_newpath); | |
912 | ||
913 | if (ret) | |
914 | handle_error(env, ret); | |
915 | ||
916 | return ret; | |
917 | } | |
918 | ||
919 | /* | |
920 | * Class: com_ceph_fs_CephMount | |
921 | * Method: native_ceph_unlink | |
922 | * Signature: (JLjava/lang/String;)I | |
923 | */ | |
924 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1unlink | |
925 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
926 | { | |
927 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
928 | CephContext *cct = ceph_get_mount_context(cmount); | |
929 | const char *c_path; | |
930 | int ret; | |
931 | ||
932 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
933 | CHECK_MOUNTED(cmount, -1); | |
934 | ||
935 | c_path = env->GetStringUTFChars(j_path, NULL); | |
936 | if (!c_path) { | |
937 | cephThrowInternal(env, "failed to pin memory"); | |
938 | return -1; | |
939 | } | |
940 | ||
941 | ldout(cct, 10) << "jni: unlink: path " << c_path << dendl; | |
942 | ||
943 | ret = ceph_unlink(cmount, c_path); | |
944 | ||
945 | ldout(cct, 10) << "jni: unlink: exit ret " << ret << dendl; | |
946 | ||
947 | env->ReleaseStringUTFChars(j_path, c_path); | |
948 | ||
949 | if (ret) | |
950 | handle_error(env, ret); | |
951 | ||
952 | return ret; | |
953 | } | |
954 | ||
955 | /* | |
956 | * Class: com_ceph_fs_CephMount | |
957 | * Method: native_ceph_rename | |
958 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
959 | */ | |
960 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1rename | |
961 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_from, jstring j_to) | |
962 | { | |
963 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
964 | CephContext *cct = ceph_get_mount_context(cmount); | |
965 | const char *c_from, *c_to; | |
966 | int ret; | |
967 | ||
968 | CHECK_ARG_NULL(j_from, "@from is null", -1); | |
969 | CHECK_ARG_NULL(j_to, "@to is null", -1); | |
970 | CHECK_MOUNTED(cmount, -1); | |
971 | ||
972 | c_from = env->GetStringUTFChars(j_from, NULL); | |
973 | if (!c_from) { | |
974 | cephThrowInternal(env, "Failed to pin memory!"); | |
975 | return -1; | |
976 | } | |
977 | ||
978 | c_to = env->GetStringUTFChars(j_to, NULL); | |
979 | if (!c_to) { | |
980 | env->ReleaseStringUTFChars(j_from, c_from); | |
981 | cephThrowInternal(env, "Failed to pin memory."); | |
982 | return -1; | |
983 | } | |
984 | ||
985 | ldout(cct, 10) << "jni: rename: from " << c_from << " to " << c_to << dendl; | |
986 | ||
987 | ret = ceph_rename(cmount, c_from, c_to); | |
988 | ||
989 | ldout(cct, 10) << "jni: rename: exit ret " << ret << dendl; | |
990 | ||
991 | env->ReleaseStringUTFChars(j_from, c_from); | |
992 | env->ReleaseStringUTFChars(j_to, c_to); | |
993 | ||
994 | if (ret) | |
995 | handle_error(env, ret); | |
996 | ||
997 | return ret; | |
998 | } | |
999 | ||
1000 | /* | |
1001 | * Class: com_ceph_fs_CephMount | |
1002 | * Method: native_ceph_mkdir | |
1003 | * Signature: (JLjava/lang/String;I)I | |
1004 | */ | |
1005 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mkdir | |
1006 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode) | |
1007 | { | |
1008 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1009 | CephContext *cct = ceph_get_mount_context(cmount); | |
1010 | const char *c_path; | |
1011 | int ret; | |
1012 | ||
1013 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1014 | CHECK_MOUNTED(cmount, -1); | |
1015 | ||
1016 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1017 | if (!c_path) { | |
1018 | cephThrowInternal(env, "failed to pin memory"); | |
1019 | return -1; | |
1020 | } | |
1021 | ||
1022 | ldout(cct, 10) << "jni: mkdir: path " << c_path << " mode " << (int)j_mode << dendl; | |
1023 | ||
1024 | ret = ceph_mkdir(cmount, c_path, (int)j_mode); | |
1025 | ||
1026 | ldout(cct, 10) << "jni: mkdir: exit ret " << ret << dendl; | |
1027 | ||
1028 | env->ReleaseStringUTFChars(j_path, c_path); | |
1029 | ||
1030 | if (ret) | |
1031 | handle_error(env, ret); | |
1032 | ||
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * Class: com_ceph_fs_CephMount | |
1038 | * Method: native_ceph_mkdirs | |
1039 | * Signature: (JLjava/lang/String;I)I | |
1040 | */ | |
1041 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1mkdirs | |
1042 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode) | |
1043 | { | |
1044 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1045 | CephContext *cct = ceph_get_mount_context(cmount); | |
1046 | const char *c_path; | |
1047 | int ret; | |
1048 | ||
1049 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1050 | CHECK_MOUNTED(cmount, -1); | |
1051 | ||
1052 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1053 | if (!c_path) { | |
1054 | cephThrowInternal(env, "failed to pin memory"); | |
1055 | return -1; | |
1056 | } | |
1057 | ||
1058 | ldout(cct, 10) << "jni: mkdirs: path " << c_path << " mode " << (int)j_mode << dendl; | |
1059 | ||
1060 | ret = ceph_mkdirs(cmount, c_path, (int)j_mode); | |
1061 | ||
1062 | ldout(cct, 10) << "jni: mkdirs: exit ret " << ret << dendl; | |
1063 | ||
1064 | env->ReleaseStringUTFChars(j_path, c_path); | |
1065 | ||
1066 | if (ret) | |
1067 | handle_error(env, ret); | |
1068 | ||
1069 | return ret; | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * Class: com_ceph_fs_CephMount | |
1074 | * Method: native_ceph_rmdir | |
1075 | * Signature: (JLjava/lang/String;)I | |
1076 | */ | |
1077 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1rmdir | |
1078 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
1079 | { | |
1080 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1081 | CephContext *cct = ceph_get_mount_context(cmount); | |
1082 | const char *c_path; | |
1083 | int ret; | |
1084 | ||
1085 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1086 | CHECK_MOUNTED(cmount, -1); | |
1087 | ||
1088 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1089 | if (!c_path) { | |
1090 | cephThrowInternal(env, "failed to pin memory"); | |
1091 | return -1; | |
1092 | } | |
1093 | ||
1094 | ldout(cct, 10) << "jni: rmdir: path " << c_path << dendl; | |
1095 | ||
1096 | ret = ceph_rmdir(cmount, c_path); | |
1097 | ||
1098 | ldout(cct, 10) << "jni: rmdir: exit ret " << ret << dendl; | |
1099 | ||
1100 | env->ReleaseStringUTFChars(j_path, c_path); | |
1101 | ||
1102 | if (ret) | |
1103 | handle_error(env, ret); | |
1104 | ||
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * Class: com_ceph_fs_CephMount | |
1110 | * Method: native_ceph_readlink | |
1111 | * Signature: (JLjava/lang/String;)Ljava/lang/String; | |
1112 | */ | |
1113 | JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1readlink | |
1114 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
1115 | { | |
1116 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1117 | CephContext *cct = ceph_get_mount_context(cmount); | |
1118 | const char *c_path; | |
1119 | char *linkname; | |
1120 | struct ceph_statx stx; | |
1121 | jstring j_linkname; | |
1122 | ||
1123 | CHECK_ARG_NULL(j_path, "@path is null", NULL); | |
1124 | CHECK_MOUNTED(cmount, NULL); | |
1125 | ||
1126 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1127 | if (!c_path) { | |
1128 | cephThrowInternal(env, "failed to pin memory"); | |
1129 | return NULL; | |
1130 | } | |
1131 | ||
1132 | for (;;) { | |
1133 | ldout(cct, 10) << "jni: readlink: lstatx " << c_path << dendl; | |
1134 | int ret = ceph_statx(cmount, c_path, &stx, CEPH_STATX_SIZE, | |
1135 | AT_SYMLINK_NOFOLLOW); | |
1136 | ldout(cct, 10) << "jni: readlink: lstat exit ret " << ret << dendl; | |
1137 | if (ret) { | |
1138 | env->ReleaseStringUTFChars(j_path, c_path); | |
1139 | handle_error(env, ret); | |
1140 | return NULL; | |
1141 | } | |
1142 | ||
1143 | linkname = new (std::nothrow) char[stx.stx_size + 1]; | |
1144 | if (!linkname) { | |
1145 | env->ReleaseStringUTFChars(j_path, c_path); | |
1146 | cephThrowOutOfMemory(env, "head allocation failed"); | |
1147 | return NULL; | |
1148 | } | |
1149 | ||
1150 | ldout(cct, 10) << "jni: readlink: size " << stx.stx_size << " path " << c_path << dendl; | |
1151 | ||
1152 | ret = ceph_readlink(cmount, c_path, linkname, stx.stx_size + 1); | |
1153 | ||
1154 | ldout(cct, 10) << "jni: readlink: exit ret " << ret << dendl; | |
1155 | ||
1156 | if (ret < 0) { | |
1157 | delete [] linkname; | |
1158 | env->ReleaseStringUTFChars(j_path, c_path); | |
1159 | handle_error(env, ret); | |
1160 | return NULL; | |
1161 | } | |
1162 | ||
1163 | /* re-stat and try again */ | |
1164 | if (ret > (int)stx.stx_size) { | |
1165 | delete [] linkname; | |
1166 | continue; | |
1167 | } | |
1168 | ||
1169 | linkname[ret] = '\0'; | |
1170 | break; | |
1171 | } | |
1172 | ||
1173 | env->ReleaseStringUTFChars(j_path, c_path); | |
1174 | ||
1175 | j_linkname = env->NewStringUTF(linkname); | |
1176 | delete [] linkname; | |
1177 | ||
1178 | return j_linkname; | |
1179 | } | |
1180 | ||
1181 | /* | |
1182 | * Class: com_ceph_fs_CephMount | |
1183 | * Method: native_ceph_symlink | |
1184 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
1185 | */ | |
1186 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1symlink | |
1187 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_oldpath, jstring j_newpath) | |
1188 | { | |
1189 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1190 | CephContext *cct = ceph_get_mount_context(cmount); | |
1191 | const char *c_oldpath, *c_newpath; | |
1192 | int ret; | |
1193 | ||
1194 | CHECK_ARG_NULL(j_oldpath, "@oldpath is null", -1); | |
1195 | CHECK_ARG_NULL(j_newpath, "@newpath is null", -1); | |
1196 | CHECK_MOUNTED(cmount, -1); | |
1197 | ||
1198 | c_oldpath = env->GetStringUTFChars(j_oldpath, NULL); | |
1199 | if (!c_oldpath) { | |
1200 | cephThrowInternal(env, "failed to pin memory"); | |
1201 | return -1; | |
1202 | } | |
1203 | ||
1204 | c_newpath = env->GetStringUTFChars(j_newpath, NULL); | |
1205 | if (!c_newpath) { | |
1206 | env->ReleaseStringUTFChars(j_oldpath, c_oldpath); | |
1207 | cephThrowInternal(env, "failed to pin memory"); | |
1208 | return -1; | |
1209 | } | |
1210 | ||
1211 | ldout(cct, 10) << "jni: symlink: oldpath " << c_oldpath << | |
1212 | " newpath " << c_newpath << dendl; | |
1213 | ||
1214 | ret = ceph_symlink(cmount, c_oldpath, c_newpath); | |
1215 | ||
1216 | ldout(cct, 10) << "jni: symlink: exit ret " << ret << dendl; | |
1217 | ||
1218 | env->ReleaseStringUTFChars(j_oldpath, c_oldpath); | |
1219 | env->ReleaseStringUTFChars(j_newpath, c_newpath); | |
1220 | ||
1221 | if (ret) | |
1222 | handle_error(env, ret); | |
1223 | ||
1224 | return ret; | |
1225 | } | |
1226 | ||
1227 | #define CEPH_J_CEPHSTAT_MASK (CEPH_STATX_UID|CEPH_STATX_GID|CEPH_STATX_SIZE|CEPH_STATX_BLOCKS|CEPH_STATX_MTIME|CEPH_STATX_ATIME) | |
1228 | ||
1229 | static void fill_cephstat(JNIEnv *env, jobject j_cephstat, struct ceph_statx *stx) | |
1230 | { | |
1231 | env->SetIntField(j_cephstat, cephstat_mode_fid, stx->stx_mode); | |
1232 | env->SetIntField(j_cephstat, cephstat_uid_fid, stx->stx_uid); | |
1233 | env->SetIntField(j_cephstat, cephstat_gid_fid, stx->stx_gid); | |
1234 | env->SetLongField(j_cephstat, cephstat_size_fid, stx->stx_size); | |
1235 | env->SetLongField(j_cephstat, cephstat_blksize_fid, stx->stx_blksize); | |
1236 | env->SetLongField(j_cephstat, cephstat_blocks_fid, stx->stx_blocks); | |
1237 | ||
1238 | long long time = stx->stx_mtime.tv_sec; | |
1239 | time *= 1000; | |
1240 | time += stx->stx_mtime.tv_nsec / 1000000; | |
1241 | env->SetLongField(j_cephstat, cephstat_m_time_fid, time); | |
1242 | ||
1243 | time = stx->stx_atime.tv_sec; | |
1244 | time *= 1000; | |
1245 | time += stx->stx_atime.tv_nsec / 1000000; | |
1246 | env->SetLongField(j_cephstat, cephstat_a_time_fid, time); | |
1247 | ||
1248 | env->SetBooleanField(j_cephstat, cephstat_is_file_fid, | |
1249 | S_ISREG(stx->stx_mode) ? JNI_TRUE : JNI_FALSE); | |
1250 | ||
1251 | env->SetBooleanField(j_cephstat, cephstat_is_directory_fid, | |
1252 | S_ISDIR(stx->stx_mode) ? JNI_TRUE : JNI_FALSE); | |
1253 | ||
1254 | env->SetBooleanField(j_cephstat, cephstat_is_symlink_fid, | |
1255 | S_ISLNK(stx->stx_mode) ? JNI_TRUE : JNI_FALSE); | |
1256 | } | |
1257 | ||
1258 | /* | |
1259 | * Class: com_ceph_fs_CephMount | |
1260 | * Method: native_ceph_lstat | |
1261 | * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;)I | |
1262 | */ | |
1263 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lstat | |
1264 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat) | |
1265 | { | |
1266 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1267 | CephContext *cct = ceph_get_mount_context(cmount); | |
1268 | const char *c_path; | |
1269 | struct ceph_statx stx; | |
1270 | int ret; | |
1271 | ||
1272 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1273 | CHECK_ARG_NULL(j_cephstat, "@stat is null", -1); | |
1274 | CHECK_MOUNTED(cmount, -1); | |
1275 | ||
1276 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1277 | if (!c_path) { | |
1278 | cephThrowInternal(env, "Failed to pin memory"); | |
1279 | return -1; | |
1280 | } | |
1281 | ||
1282 | ldout(cct, 10) << "jni: lstat: path " << c_path << dendl; | |
1283 | ||
1284 | ret = ceph_statx(cmount, c_path, &stx, CEPH_J_CEPHSTAT_MASK, AT_SYMLINK_NOFOLLOW); | |
1285 | ||
1286 | ldout(cct, 10) << "jni: lstat exit ret " << ret << dendl; | |
1287 | ||
1288 | env->ReleaseStringUTFChars(j_path, c_path); | |
1289 | ||
1290 | if (ret) { | |
1291 | handle_error(env, ret); | |
1292 | return ret; | |
1293 | } | |
1294 | ||
1295 | fill_cephstat(env, j_cephstat, &stx); | |
1296 | ||
1297 | return ret; | |
1298 | } | |
1299 | ||
1300 | /* | |
1301 | * Class: com_ceph_fs_CephMount | |
1302 | * Method: native_ceph_stat | |
1303 | * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;)I | |
1304 | */ | |
1305 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1stat | |
1306 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat) | |
1307 | { | |
1308 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1309 | CephContext *cct = ceph_get_mount_context(cmount); | |
1310 | const char *c_path; | |
1311 | struct ceph_statx stx; | |
1312 | int ret; | |
1313 | ||
1314 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1315 | CHECK_ARG_NULL(j_cephstat, "@stat is null", -1); | |
1316 | CHECK_MOUNTED(cmount, -1); | |
1317 | ||
1318 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1319 | if (!c_path) { | |
1320 | cephThrowInternal(env, "Failed to pin memory"); | |
1321 | return -1; | |
1322 | } | |
1323 | ||
1324 | ldout(cct, 10) << "jni: lstat: path " << c_path << dendl; | |
1325 | ||
1326 | ret = ceph_statx(cmount, c_path, &stx, CEPH_J_CEPHSTAT_MASK, 0); | |
1327 | ||
1328 | ldout(cct, 10) << "jni: lstat exit ret " << ret << dendl; | |
1329 | ||
1330 | env->ReleaseStringUTFChars(j_path, c_path); | |
1331 | ||
1332 | if (ret) { | |
1333 | handle_error(env, ret); | |
1334 | return ret; | |
1335 | } | |
1336 | ||
1337 | fill_cephstat(env, j_cephstat, &stx); | |
1338 | ||
1339 | return ret; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * Class: com_ceph_fs_CephMount | |
1344 | * Method: native_ceph_setattr | |
1345 | * Signature: (JLjava/lang/String;Lcom/ceph/fs/CephStat;I)I | |
1346 | */ | |
1347 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1setattr | |
1348 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jobject j_cephstat, jint j_mask) | |
1349 | { | |
1350 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1351 | CephContext *cct = ceph_get_mount_context(cmount); | |
1352 | const char *c_path; | |
1353 | struct ceph_statx stx; | |
1354 | int ret, mask = fixup_attr_mask(j_mask); | |
1355 | ||
1356 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1357 | CHECK_ARG_NULL(j_cephstat, "@stat is null", -1); | |
1358 | CHECK_MOUNTED(cmount, -1); | |
1359 | ||
1360 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1361 | if (!c_path) { | |
1362 | cephThrowInternal(env, "Failed to pin memory"); | |
1363 | return -1; | |
1364 | } | |
1365 | ||
1366 | memset(&stx, 0, sizeof(stx)); | |
1367 | ||
1368 | stx.stx_mode = env->GetIntField(j_cephstat, cephstat_mode_fid); | |
1369 | stx.stx_uid = env->GetIntField(j_cephstat, cephstat_uid_fid); | |
1370 | stx.stx_gid = env->GetIntField(j_cephstat, cephstat_gid_fid); | |
1371 | stx.stx_mtime.tv_sec = env->GetLongField(j_cephstat, cephstat_m_time_fid); | |
1372 | stx.stx_atime.tv_sec = env->GetLongField(j_cephstat, cephstat_a_time_fid); | |
1373 | ||
1374 | ldout(cct, 10) << "jni: setattr: path " << c_path << " mask " << mask << dendl; | |
1375 | ||
1376 | ret = ceph_setattrx(cmount, c_path, &stx, mask, 0); | |
1377 | ||
1378 | ldout(cct, 10) << "jni: setattr: exit ret " << ret << dendl; | |
1379 | ||
1380 | env->ReleaseStringUTFChars(j_path, c_path); | |
1381 | ||
1382 | if (ret) | |
1383 | handle_error(env, ret); | |
1384 | ||
1385 | return ret; | |
1386 | } | |
1387 | ||
1388 | /* | |
1389 | * Class: com_ceph_fs_CephMount | |
1390 | * Method: native_ceph_chmod | |
1391 | * Signature: (JLjava/lang/String;I)I | |
1392 | */ | |
1393 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1chmod | |
1394 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_mode) | |
1395 | { | |
1396 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1397 | CephContext *cct = ceph_get_mount_context(cmount); | |
1398 | const char *c_path; | |
1399 | int ret; | |
1400 | ||
1401 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1402 | CHECK_MOUNTED(cmount, -1); | |
1403 | ||
1404 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1405 | if (!c_path) { | |
1406 | cephThrowInternal(env, "Failed to pin memory"); | |
1407 | return -1; | |
1408 | } | |
1409 | ||
1410 | ldout(cct, 10) << "jni: chmod: path " << c_path << " mode " << (int)j_mode << dendl; | |
1411 | ||
1412 | ret = ceph_chmod(cmount, c_path, (int)j_mode); | |
1413 | ||
1414 | ldout(cct, 10) << "jni: chmod: exit ret " << ret << dendl; | |
1415 | ||
1416 | env->ReleaseStringUTFChars(j_path, c_path); | |
1417 | ||
1418 | if (ret) | |
1419 | handle_error(env, ret); | |
1420 | ||
1421 | return ret; | |
1422 | } | |
1423 | ||
1424 | /* | |
1425 | * Class: com_ceph_fs_CephMount | |
1426 | * Method: native_ceph_fchmod | |
1427 | * Signature: (JII)I | |
1428 | */ | |
1429 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fchmod | |
1430 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jint j_mode) | |
1431 | { | |
1432 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1433 | CephContext *cct = ceph_get_mount_context(cmount); | |
1434 | int ret; | |
1435 | ||
1436 | CHECK_MOUNTED(cmount, -1); | |
1437 | ||
1438 | ldout(cct, 10) << "jni: fchmod: fd " << (int)j_fd << " mode " << (int)j_mode << dendl; | |
1439 | ||
1440 | ret = ceph_fchmod(cmount, (int)j_fd, (int)j_mode); | |
1441 | ||
1442 | ldout(cct, 10) << "jni: fchmod: exit ret " << ret << dendl; | |
1443 | ||
1444 | if (ret) | |
1445 | handle_error(env, ret); | |
1446 | ||
1447 | return ret; | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * Class: com_ceph_fs_CephMount | |
1452 | * Method: native_ceph_truncate | |
1453 | * Signature: (JLjava/lang/String;J)I | |
1454 | */ | |
1455 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1truncate | |
1456 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jlong j_size) | |
1457 | { | |
1458 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1459 | CephContext *cct = ceph_get_mount_context(cmount); | |
1460 | const char *c_path; | |
1461 | int ret; | |
1462 | ||
1463 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1464 | CHECK_MOUNTED(cmount, -1); | |
1465 | ||
1466 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1467 | if (!c_path) { | |
1468 | cephThrowInternal(env, "Failed to pin memory"); | |
1469 | return -1; | |
1470 | } | |
1471 | ||
1472 | ldout(cct, 10) << "jni: truncate: path " << c_path << " size " << (loff_t)j_size << dendl; | |
1473 | ||
1474 | ret = ceph_truncate(cmount, c_path, (loff_t)j_size); | |
1475 | ||
1476 | ldout(cct, 10) << "jni: truncate: exit ret " << ret << dendl; | |
1477 | ||
1478 | env->ReleaseStringUTFChars(j_path, c_path); | |
1479 | ||
1480 | if (ret) | |
1481 | handle_error(env, ret); | |
1482 | ||
1483 | return ret; | |
1484 | } | |
1485 | ||
1486 | /* | |
1487 | * Class: com_ceph_fs_CephMount | |
1488 | * Method: native_ceph_open | |
1489 | * Signature: (JLjava/lang/String;II)I | |
1490 | */ | |
1491 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1open | |
1492 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_flags, jint j_mode) | |
1493 | { | |
1494 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1495 | CephContext *cct = ceph_get_mount_context(cmount); | |
1496 | const char *c_path; | |
1497 | int ret, flags = fixup_open_flags(j_flags); | |
1498 | ||
1499 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1500 | CHECK_MOUNTED(cmount, -1); | |
1501 | ||
1502 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1503 | if (!c_path) { | |
1504 | cephThrowInternal(env, "Failed to pin memory"); | |
1505 | return -1; | |
1506 | } | |
1507 | ||
1508 | ldout(cct, 10) << "jni: open: path " << c_path << " flags " << flags | |
1509 | << " mode " << (int)j_mode << dendl; | |
1510 | ||
1511 | ret = ceph_open(cmount, c_path, flags, (int)j_mode); | |
1512 | ||
1513 | ldout(cct, 10) << "jni: open: exit ret " << ret << dendl; | |
1514 | ||
1515 | env->ReleaseStringUTFChars(j_path, c_path); | |
1516 | ||
1517 | if (ret < 0) | |
1518 | handle_error(env, ret); | |
1519 | ||
1520 | return ret; | |
1521 | } | |
1522 | ||
1523 | /* | |
1524 | * Class: com_ceph_fs_CephMount | |
1525 | * Method: native_ceph_open_layout | |
1526 | * Signature: (JLjava/lang/String;IIIIILjava/lang/String;)I | |
1527 | */ | |
1528 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1open_1layout | |
1529 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jint j_flags, jint j_mode, | |
1530 | jint stripe_unit, jint stripe_count, jint object_size, jstring j_data_pool) | |
1531 | { | |
1532 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1533 | CephContext *cct = ceph_get_mount_context(cmount); | |
1534 | const char *c_path, *c_data_pool = NULL; | |
1535 | int ret, flags = fixup_open_flags(j_flags); | |
1536 | ||
1537 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1538 | CHECK_MOUNTED(cmount, -1); | |
1539 | ||
1540 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1541 | if (!c_path) { | |
1542 | cephThrowInternal(env, "Failed to pin memory"); | |
1543 | return -1; | |
1544 | } | |
1545 | ||
1546 | if (j_data_pool) { | |
1547 | c_data_pool = env->GetStringUTFChars(j_data_pool, NULL); | |
1548 | if (!c_data_pool) { | |
1549 | env->ReleaseStringUTFChars(j_path, c_path); | |
1550 | cephThrowInternal(env, "Failed to pin memory"); | |
1551 | return -1; | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | ldout(cct, 10) << "jni: open_layout: path " << c_path << " flags " << flags | |
1556 | << " mode " << (int)j_mode << " stripe_unit " << stripe_unit | |
1557 | << " stripe_count " << stripe_count << " object_size " << object_size | |
1558 | << " data_pool " << (c_data_pool ? c_data_pool : "<NULL>") << dendl; | |
1559 | ||
1560 | ret = ceph_open_layout(cmount, c_path, flags, (int)j_mode, | |
1561 | (int)stripe_unit, (int)stripe_count, (int)object_size, c_data_pool); | |
1562 | ||
1563 | ldout(cct, 10) << "jni: open_layout: exit ret " << ret << dendl; | |
1564 | ||
1565 | env->ReleaseStringUTFChars(j_path, c_path); | |
1566 | if (j_data_pool) | |
1567 | env->ReleaseStringUTFChars(j_data_pool, c_data_pool); | |
1568 | ||
1569 | if (ret < 0) | |
1570 | handle_error(env, ret); | |
1571 | ||
1572 | return ret; | |
1573 | } | |
1574 | ||
1575 | /* | |
1576 | * Class: com_ceph_fs_CephMount | |
1577 | * Method: native_ceph_close | |
1578 | * Signature: (JI)I | |
1579 | */ | |
1580 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1close | |
1581 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd) | |
1582 | { | |
1583 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1584 | CephContext *cct = ceph_get_mount_context(cmount); | |
1585 | int ret; | |
1586 | ||
1587 | CHECK_MOUNTED(cmount, -1); | |
1588 | ||
1589 | ldout(cct, 10) << "jni: close: fd " << (int)j_fd << dendl; | |
1590 | ||
1591 | ret = ceph_close(cmount, (int)j_fd); | |
1592 | ||
1593 | ldout(cct, 10) << "jni: close: ret " << ret << dendl; | |
1594 | ||
1595 | if (ret) | |
1596 | handle_error(env, ret); | |
1597 | ||
1598 | return ret; | |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * Class: com_ceph_fs_CephMount | |
1603 | * Method: native_ceph_lseek | |
1604 | * Signature: (JIJI)J | |
1605 | */ | |
1606 | JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lseek | |
1607 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jlong j_offset, jint j_whence) | |
1608 | { | |
1609 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1610 | CephContext *cct = ceph_get_mount_context(cmount); | |
1611 | int whence; | |
1612 | jlong ret; | |
1613 | ||
1614 | CHECK_MOUNTED(cmount, -1); | |
1615 | ||
1616 | switch (j_whence) { | |
1617 | case JAVA_SEEK_SET: | |
1618 | whence = SEEK_SET; | |
1619 | break; | |
1620 | case JAVA_SEEK_CUR: | |
1621 | whence = SEEK_CUR; | |
1622 | break; | |
1623 | case JAVA_SEEK_END: | |
1624 | whence = SEEK_END; | |
1625 | break; | |
1626 | default: | |
1627 | cephThrowIllegalArg(env, "Unknown whence value"); | |
1628 | return -1; | |
1629 | } | |
1630 | ||
1631 | ldout(cct, 10) << "jni: lseek: fd " << (int)j_fd << " offset " | |
1632 | << (long)j_offset << " whence " << whence << dendl; | |
1633 | ||
1634 | ret = ceph_lseek(cmount, (int)j_fd, (long)j_offset, whence); | |
1635 | ||
1636 | ldout(cct, 10) << "jni: lseek: exit ret " << ret << dendl; | |
1637 | ||
1638 | if (ret < 0) | |
1639 | handle_error(env, ret); | |
1640 | ||
1641 | return ret; | |
1642 | } | |
1643 | ||
1644 | /* | |
1645 | * Class: com_ceph_fs_CephMount | |
1646 | * Method: native_ceph_read | |
1647 | * Signature: (JI[BJJ)J | |
1648 | */ | |
1649 | JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1read | |
1650 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jbyteArray j_buf, jlong j_size, jlong j_offset) | |
1651 | { | |
1652 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1653 | CephContext *cct = ceph_get_mount_context(cmount); | |
1654 | jsize buf_size; | |
1655 | jbyte *c_buf; | |
1656 | long ret; | |
1657 | ||
1658 | CHECK_ARG_NULL(j_buf, "@buf is null", -1); | |
1659 | CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1); | |
1660 | CHECK_MOUNTED(cmount, -1); | |
1661 | ||
1662 | buf_size = env->GetArrayLength(j_buf); | |
1663 | CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1); | |
1664 | ||
1665 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
1666 | if (!c_buf) { | |
1667 | cephThrowInternal(env, "failed to pin memory"); | |
1668 | return -1; | |
1669 | } | |
1670 | ||
1671 | ldout(cct, 10) << "jni: read: fd " << (int)j_fd << " len " << (long)j_size << | |
1672 | " offset " << (long)j_offset << dendl; | |
1673 | ||
1674 | ret = ceph_read(cmount, (int)j_fd, (char*)c_buf, (long)j_size, (long)j_offset); | |
1675 | ||
1676 | ldout(cct, 10) << "jni: read: exit ret " << ret << dendl; | |
1677 | ||
1678 | if (ret < 0) | |
1679 | handle_error(env, (int)ret); | |
1680 | else | |
1681 | env->ReleaseByteArrayElements(j_buf, c_buf, 0); | |
1682 | ||
1683 | return (jlong)ret; | |
1684 | } | |
1685 | ||
1686 | /* | |
1687 | * Class: com_ceph_fs_CephMount | |
1688 | * Method: native_ceph_write | |
1689 | * Signature: (JI[BJJ)J | |
1690 | */ | |
1691 | JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1write | |
1692 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jbyteArray j_buf, jlong j_size, jlong j_offset) | |
1693 | { | |
1694 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1695 | CephContext *cct = ceph_get_mount_context(cmount); | |
1696 | jsize buf_size; | |
1697 | jbyte *c_buf; | |
1698 | long ret; | |
1699 | ||
1700 | CHECK_ARG_NULL(j_buf, "@buf is null", -1); | |
1701 | CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1); | |
1702 | CHECK_MOUNTED(cmount, -1); | |
1703 | ||
1704 | buf_size = env->GetArrayLength(j_buf); | |
1705 | CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1); | |
1706 | ||
1707 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
1708 | if (!c_buf) { | |
1709 | cephThrowInternal(env, "failed to pin memory"); | |
1710 | return -1; | |
1711 | } | |
1712 | ||
1713 | ldout(cct, 10) << "jni: write: fd " << (int)j_fd << " len " << (long)j_size << | |
1714 | " offset " << (long)j_offset << dendl; | |
1715 | ||
1716 | ret = ceph_write(cmount, (int)j_fd, (char*)c_buf, (long)j_size, (long)j_offset); | |
1717 | ||
1718 | ldout(cct, 10) << "jni: write: exit ret " << ret << dendl; | |
1719 | ||
1720 | if (ret < 0) | |
1721 | handle_error(env, (int)ret); | |
1722 | else | |
1723 | env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT); | |
1724 | ||
1725 | return ret; | |
1726 | } | |
1727 | ||
1728 | ||
1729 | /* | |
1730 | * Class: com_ceph_fs_CephMount | |
1731 | * Method: native_ceph_ftruncate | |
1732 | * Signature: (JIJ)I | |
1733 | */ | |
1734 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1ftruncate | |
1735 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jlong j_size) | |
1736 | { | |
1737 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1738 | CephContext *cct = ceph_get_mount_context(cmount); | |
1739 | int ret; | |
1740 | ||
1741 | CHECK_MOUNTED(cmount, -1); | |
1742 | ||
1743 | ldout(cct, 10) << "jni: ftruncate: fd " << (int)j_fd << | |
1744 | " size " << (loff_t)j_size << dendl; | |
1745 | ||
1746 | ret = ceph_ftruncate(cmount, (int)j_fd, (loff_t)j_size); | |
1747 | ||
1748 | ldout(cct, 10) << "jni: ftruncate: exit ret " << ret << dendl; | |
1749 | ||
1750 | if (ret) | |
1751 | handle_error(env, ret); | |
1752 | ||
1753 | return ret; | |
1754 | } | |
1755 | ||
1756 | /* | |
1757 | * Class: com_ceph_fs_CephMount | |
1758 | * Method: native_ceph_fsync | |
1759 | * Signature: (JIZ)I | |
1760 | */ | |
1761 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fsync | |
1762 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jboolean j_dataonly) | |
1763 | { | |
1764 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1765 | CephContext *cct = ceph_get_mount_context(cmount); | |
1766 | int ret; | |
1767 | ||
1768 | ldout(cct, 10) << "jni: fsync: fd " << (int)j_fd << | |
1769 | " dataonly " << (j_dataonly ? 1 : 0) << dendl; | |
1770 | ||
1771 | ret = ceph_fsync(cmount, (int)j_fd, j_dataonly ? 1 : 0); | |
1772 | ||
1773 | ldout(cct, 10) << "jni: fsync: exit ret " << ret << dendl; | |
1774 | ||
1775 | if (ret) | |
1776 | handle_error(env, ret); | |
1777 | ||
1778 | return ret; | |
1779 | } | |
1780 | ||
1781 | /* | |
1782 | * Class: com_ceph_fs_CephMount | |
1783 | * Method: native_ceph_flock | |
1784 | * Signature: (JIZ)I | |
1785 | */ | |
1786 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1flock | |
1787 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jint j_operation, jlong j_owner) | |
1788 | { | |
1789 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1790 | CephContext *cct = ceph_get_mount_context(cmount); | |
1791 | int ret; | |
1792 | ||
1793 | ldout(cct, 10) << "jni: flock: fd " << (int)j_fd << | |
1794 | " operation " << j_operation << " owner " << j_owner << dendl; | |
1795 | ||
1796 | int operation = 0; | |
1797 | ||
1798 | #define MAP_FLOCK_FLAG(JNI_MASK, NATIVE_MASK) do { \ | |
1799 | if ((j_operation & JNI_MASK) != 0) { \ | |
1800 | operation |= NATIVE_MASK; \ | |
1801 | j_operation &= ~JNI_MASK; \ | |
1802 | } \ | |
1803 | } while(0) | |
1804 | MAP_FLOCK_FLAG(JAVA_LOCK_SH, LOCK_SH); | |
1805 | MAP_FLOCK_FLAG(JAVA_LOCK_EX, LOCK_EX); | |
1806 | MAP_FLOCK_FLAG(JAVA_LOCK_NB, LOCK_NB); | |
1807 | MAP_FLOCK_FLAG(JAVA_LOCK_UN, LOCK_UN); | |
1808 | if (j_operation != 0) { | |
1809 | cephThrowIllegalArg(env, "flock flags"); | |
1810 | return -EINVAL; | |
1811 | } | |
1812 | #undef MAP_FLOCK_FLAG | |
1813 | ||
1814 | ret = ceph_flock(cmount, (int)j_fd, operation, (uint64_t) j_owner); | |
1815 | ||
1816 | ldout(cct, 10) << "jni: flock: exit ret " << ret << dendl; | |
1817 | ||
1818 | if (ret) | |
1819 | handle_error(env, ret); | |
1820 | ||
1821 | return ret; | |
1822 | } | |
1823 | ||
1824 | /* | |
1825 | * Class: com_ceph_fs_CephMount | |
1826 | * Method: native_ceph_fstat | |
1827 | * Signature: (JILcom/ceph/fs/CephStat;)I | |
1828 | */ | |
1829 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1fstat | |
1830 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd, jobject j_cephstat) | |
1831 | { | |
1832 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1833 | CephContext *cct = ceph_get_mount_context(cmount); | |
1834 | struct ceph_statx stx; | |
1835 | int ret; | |
1836 | ||
1837 | CHECK_ARG_NULL(j_cephstat, "@stat is null", -1); | |
1838 | CHECK_MOUNTED(cmount, -1); | |
1839 | ||
1840 | ldout(cct, 10) << "jni: fstat: fd " << (int)j_fd << dendl; | |
1841 | ||
1842 | ret = ceph_fstatx(cmount, (int)j_fd, &stx, CEPH_J_CEPHSTAT_MASK, 0); | |
1843 | ||
1844 | ldout(cct, 10) << "jni: fstat exit ret " << ret << dendl; | |
1845 | ||
1846 | if (ret) { | |
1847 | handle_error(env, ret); | |
1848 | return ret; | |
1849 | } | |
1850 | ||
1851 | fill_cephstat(env, j_cephstat, &stx); | |
1852 | ||
1853 | return ret; | |
1854 | } | |
1855 | ||
1856 | /* | |
1857 | * Class: com_ceph_fs_CephMount | |
1858 | * Method: native_ceph_sync_fs | |
1859 | * Signature: (J)I | |
1860 | */ | |
1861 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1sync_1fs | |
1862 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
1863 | { | |
1864 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1865 | CephContext *cct = ceph_get_mount_context(cmount); | |
1866 | int ret; | |
1867 | ||
1868 | ldout(cct, 10) << "jni: sync_fs: enter" << dendl; | |
1869 | ||
1870 | ret = ceph_sync_fs(cmount); | |
1871 | ||
1872 | ldout(cct, 10) << "jni: sync_fs: exit ret " << ret << dendl; | |
1873 | ||
1874 | if (ret) | |
1875 | handle_error(env, ret); | |
1876 | ||
1877 | return ret; | |
1878 | } | |
1879 | ||
1880 | /* | |
1881 | * Class: com_ceph_fs_CephMount | |
1882 | * Method: native_ceph_getxattr | |
1883 | * Signature: (JLjava/lang/String;Ljava/lang/String;[B)J | |
1884 | */ | |
1885 | JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1getxattr | |
1886 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, jbyteArray j_buf) | |
1887 | { | |
1888 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1889 | CephContext *cct = ceph_get_mount_context(cmount); | |
1890 | const char *c_path; | |
1891 | const char *c_name; | |
1892 | jsize buf_size; | |
1893 | jbyte *c_buf = NULL; /* please gcc with goto */ | |
1894 | long ret; | |
1895 | ||
1896 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1897 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
1898 | CHECK_MOUNTED(cmount, -1); | |
1899 | ||
1900 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1901 | if (!c_path) { | |
1902 | cephThrowInternal(env, "Failed to pin memory"); | |
1903 | return -1; | |
1904 | } | |
1905 | ||
1906 | c_name = env->GetStringUTFChars(j_name, NULL); | |
1907 | if (!c_name) { | |
1908 | env->ReleaseStringUTFChars(j_path, c_path); | |
1909 | cephThrowInternal(env, "Failed to pin memory"); | |
1910 | return -1; | |
1911 | } | |
1912 | ||
1913 | /* just lookup the size if buf is null */ | |
1914 | if (!j_buf) { | |
1915 | buf_size = 0; | |
1916 | goto do_getxattr; | |
1917 | } | |
1918 | ||
1919 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
1920 | if (!c_buf) { | |
1921 | env->ReleaseStringUTFChars(j_path, c_path); | |
1922 | env->ReleaseStringUTFChars(j_name, c_name); | |
1923 | cephThrowInternal(env, "failed to pin memory"); | |
1924 | return -1; | |
1925 | } | |
1926 | ||
1927 | buf_size = env->GetArrayLength(j_buf); | |
1928 | ||
1929 | do_getxattr: | |
1930 | ||
1931 | ldout(cct, 10) << "jni: getxattr: path " << c_path << " name " << c_name << | |
1932 | " len " << buf_size << dendl; | |
1933 | ||
1934 | ret = ceph_getxattr(cmount, c_path, c_name, c_buf, buf_size); | |
1935 | if (ret == -ERANGE) | |
1936 | ret = ceph_getxattr(cmount, c_path, c_name, c_buf, 0); | |
1937 | ||
1938 | ldout(cct, 10) << "jni: getxattr: exit ret " << ret << dendl; | |
1939 | ||
1940 | env->ReleaseStringUTFChars(j_path, c_path); | |
1941 | env->ReleaseStringUTFChars(j_name, c_name); | |
1942 | if (j_buf) | |
1943 | env->ReleaseByteArrayElements(j_buf, c_buf, 0); | |
1944 | ||
1945 | if (ret < 0) | |
1946 | handle_error(env, (int)ret); | |
1947 | ||
1948 | return (jlong)ret; | |
1949 | } | |
1950 | ||
1951 | /* | |
1952 | * Class: com_ceph_fs_CephMount | |
1953 | * Method: native_ceph_lgetxattr | |
1954 | * Signature: (JLjava/lang/String;Ljava/lang/String;[B)I | |
1955 | */ | |
1956 | JNIEXPORT jlong JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lgetxattr | |
1957 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, jbyteArray j_buf) | |
1958 | { | |
1959 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
1960 | CephContext *cct = ceph_get_mount_context(cmount); | |
1961 | const char *c_path; | |
1962 | const char *c_name; | |
1963 | jsize buf_size; | |
1964 | jbyte *c_buf = NULL; /* please gcc with goto */ | |
1965 | long ret; | |
1966 | ||
1967 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
1968 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
1969 | CHECK_MOUNTED(cmount, -1); | |
1970 | ||
1971 | c_path = env->GetStringUTFChars(j_path, NULL); | |
1972 | if (!c_path) { | |
1973 | cephThrowInternal(env, "Failed to pin memory"); | |
1974 | return -1; | |
1975 | } | |
1976 | ||
1977 | c_name = env->GetStringUTFChars(j_name, NULL); | |
1978 | if (!c_name) { | |
1979 | env->ReleaseStringUTFChars(j_path, c_path); | |
1980 | cephThrowInternal(env, "Failed to pin memory"); | |
1981 | return -1; | |
1982 | } | |
1983 | ||
1984 | /* just lookup the size if buf is null */ | |
1985 | if (!j_buf) { | |
1986 | buf_size = 0; | |
1987 | goto do_lgetxattr; | |
1988 | } | |
1989 | ||
1990 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
1991 | if (!c_buf) { | |
1992 | env->ReleaseStringUTFChars(j_path, c_path); | |
1993 | env->ReleaseStringUTFChars(j_name, c_name); | |
1994 | cephThrowInternal(env, "failed to pin memory"); | |
1995 | return -1; | |
1996 | } | |
1997 | ||
1998 | buf_size = env->GetArrayLength(j_buf); | |
1999 | ||
2000 | do_lgetxattr: | |
2001 | ||
2002 | ldout(cct, 10) << "jni: lgetxattr: path " << c_path << " name " << c_name << | |
2003 | " len " << buf_size << dendl; | |
2004 | ||
2005 | ret = ceph_lgetxattr(cmount, c_path, c_name, c_buf, buf_size); | |
2006 | if (ret == -ERANGE) | |
2007 | ret = ceph_lgetxattr(cmount, c_path, c_name, c_buf, 0); | |
2008 | ||
2009 | ldout(cct, 10) << "jni: lgetxattr: exit ret " << ret << dendl; | |
2010 | ||
2011 | env->ReleaseStringUTFChars(j_path, c_path); | |
2012 | env->ReleaseStringUTFChars(j_name, c_name); | |
2013 | if (j_buf) | |
2014 | env->ReleaseByteArrayElements(j_buf, c_buf, 0); | |
2015 | ||
2016 | if (ret < 0) | |
2017 | handle_error(env, (int)ret); | |
2018 | ||
2019 | return (jlong)ret; | |
2020 | } | |
2021 | ||
2022 | /* | |
2023 | * Class: com_ceph_fs_CephMount | |
2024 | * Method: native_ceph_listxattr | |
2025 | * Signature: (JLjava/lang/String;)[Ljava/lang/String; | |
2026 | */ | |
2027 | JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1listxattr | |
2028 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
2029 | { | |
2030 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2031 | CephContext *cct = ceph_get_mount_context(cmount); | |
2032 | jobjectArray xattrlist; | |
2033 | const char *c_path; | |
2034 | string *ent; | |
2035 | jstring name; | |
2036 | list<string>::iterator it; | |
2037 | list<string> contents; | |
2038 | int ret, buflen, bufpos, i; | |
2039 | char *buf; | |
2040 | ||
2041 | CHECK_ARG_NULL(j_path, "@path is null", NULL); | |
2042 | CHECK_MOUNTED(cmount, NULL); | |
2043 | ||
2044 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2045 | if (!c_path) { | |
2046 | cephThrowInternal(env, "Failed to pin memory"); | |
2047 | return NULL; | |
2048 | } | |
2049 | ||
2050 | buflen = 1024; | |
2051 | buf = new (std::nothrow) char[buflen]; | |
2052 | if (!buf) { | |
2053 | cephThrowOutOfMemory(env, "head allocation failed"); | |
2054 | goto out; | |
2055 | } | |
2056 | ||
2057 | while (1) { | |
2058 | ldout(cct, 10) << "jni: listxattr: path " << c_path << " len " << buflen << dendl; | |
2059 | ret = ceph_listxattr(cmount, c_path, buf, buflen); | |
2060 | if (ret == -ERANGE) { | |
2061 | delete [] buf; | |
2062 | buflen *= 2; | |
2063 | buf = new (std::nothrow) char[buflen]; | |
2064 | if (!buf) { | |
2065 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
2066 | goto out; | |
2067 | } | |
2068 | continue; | |
2069 | } | |
2070 | break; | |
2071 | } | |
2072 | ||
2073 | ldout(cct, 10) << "jni: listxattr: ret " << ret << dendl; | |
2074 | ||
2075 | if (ret < 0) { | |
2076 | delete [] buf; | |
2077 | handle_error(env, ret); | |
2078 | goto out; | |
2079 | } | |
2080 | ||
2081 | bufpos = 0; | |
2082 | while (bufpos < ret) { | |
2083 | ent = new (std::nothrow) string(buf + bufpos); | |
2084 | if (!ent) { | |
2085 | delete [] buf; | |
2086 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
2087 | goto out; | |
2088 | } | |
2089 | contents.push_back(*ent); | |
2090 | bufpos += ent->size() + 1; | |
2091 | delete ent; | |
2092 | } | |
2093 | ||
2094 | delete [] buf; | |
2095 | ||
2096 | xattrlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL); | |
2097 | if (!xattrlist) | |
2098 | goto out; | |
2099 | ||
2100 | for (i = 0, it = contents.begin(); it != contents.end(); ++it) { | |
2101 | name = env->NewStringUTF(it->c_str()); | |
2102 | if (!name) | |
2103 | goto out; | |
2104 | env->SetObjectArrayElement(xattrlist, i++, name); | |
2105 | if (env->ExceptionOccurred()) | |
2106 | goto out; | |
2107 | env->DeleteLocalRef(name); | |
2108 | } | |
2109 | ||
2110 | env->ReleaseStringUTFChars(j_path, c_path); | |
2111 | return xattrlist; | |
2112 | ||
2113 | out: | |
2114 | env->ReleaseStringUTFChars(j_path, c_path); | |
2115 | return NULL; | |
2116 | } | |
2117 | ||
2118 | /* | |
2119 | * Class: com_ceph_fs_CephMount | |
2120 | * Method: native_ceph_llistxattr | |
2121 | * Signature: (JLjava/lang/String;)[Ljava/lang/String; | |
2122 | */ | |
2123 | JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1llistxattr | |
2124 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path) | |
2125 | { | |
2126 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2127 | CephContext *cct = ceph_get_mount_context(cmount); | |
2128 | jobjectArray xattrlist; | |
2129 | const char *c_path; | |
2130 | string *ent; | |
2131 | jstring name; | |
2132 | list<string>::iterator it; | |
2133 | list<string> contents; | |
2134 | int ret, buflen, bufpos, i; | |
2135 | char *buf; | |
2136 | ||
2137 | CHECK_ARG_NULL(j_path, "@path is null", NULL); | |
2138 | CHECK_MOUNTED(cmount, NULL); | |
2139 | ||
2140 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2141 | if (!c_path) { | |
2142 | cephThrowInternal(env, "Failed to pin memory"); | |
2143 | return NULL; | |
2144 | } | |
2145 | ||
2146 | buflen = 1024; | |
2147 | buf = new (std::nothrow) char[buflen]; | |
2148 | if (!buf) { | |
2149 | cephThrowOutOfMemory(env, "head allocation failed"); | |
2150 | goto out; | |
2151 | } | |
2152 | ||
2153 | while (1) { | |
2154 | ldout(cct, 10) << "jni: llistxattr: path " << c_path << " len " << buflen << dendl; | |
2155 | ret = ceph_llistxattr(cmount, c_path, buf, buflen); | |
2156 | if (ret == -ERANGE) { | |
2157 | delete [] buf; | |
2158 | buflen *= 2; | |
2159 | buf = new (std::nothrow) char[buflen]; | |
2160 | if (!buf) { | |
2161 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
2162 | goto out; | |
2163 | } | |
2164 | continue; | |
2165 | } | |
2166 | break; | |
2167 | } | |
2168 | ||
2169 | ldout(cct, 10) << "jni: llistxattr: ret " << ret << dendl; | |
2170 | ||
2171 | if (ret < 0) { | |
2172 | delete [] buf; | |
2173 | handle_error(env, ret); | |
2174 | goto out; | |
2175 | } | |
2176 | ||
2177 | bufpos = 0; | |
2178 | while (bufpos < ret) { | |
2179 | ent = new (std::nothrow) string(buf + bufpos); | |
2180 | if (!ent) { | |
2181 | delete [] buf; | |
2182 | cephThrowOutOfMemory(env, "heap allocation failed"); | |
2183 | goto out; | |
2184 | } | |
2185 | contents.push_back(*ent); | |
2186 | bufpos += ent->size() + 1; | |
2187 | delete ent; | |
2188 | } | |
2189 | ||
2190 | delete [] buf; | |
2191 | ||
2192 | xattrlist = env->NewObjectArray(contents.size(), env->FindClass("java/lang/String"), NULL); | |
2193 | if (!xattrlist) | |
2194 | goto out; | |
2195 | ||
2196 | for (i = 0, it = contents.begin(); it != contents.end(); ++it) { | |
2197 | name = env->NewStringUTF(it->c_str()); | |
2198 | if (!name) | |
2199 | goto out; | |
2200 | env->SetObjectArrayElement(xattrlist, i++, name); | |
2201 | if (env->ExceptionOccurred()) | |
2202 | goto out; | |
2203 | env->DeleteLocalRef(name); | |
2204 | } | |
2205 | ||
2206 | env->ReleaseStringUTFChars(j_path, c_path); | |
2207 | return xattrlist; | |
2208 | ||
2209 | out: | |
2210 | env->ReleaseStringUTFChars(j_path, c_path); | |
2211 | return NULL; | |
2212 | } | |
2213 | ||
2214 | /* | |
2215 | * Class: com_ceph_fs_CephMount | |
2216 | * Method: native_ceph_removexattr | |
2217 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
2218 | */ | |
2219 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1removexattr | |
2220 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name) | |
2221 | { | |
2222 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2223 | CephContext *cct = ceph_get_mount_context(cmount); | |
2224 | const char *c_path; | |
2225 | const char *c_name; | |
2226 | int ret; | |
2227 | ||
2228 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
2229 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
2230 | CHECK_MOUNTED(cmount, -1); | |
2231 | ||
2232 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2233 | if (!c_path) { | |
2234 | cephThrowInternal(env, "Failed to pin memory"); | |
2235 | return -1; | |
2236 | } | |
2237 | ||
2238 | c_name = env->GetStringUTFChars(j_name, NULL); | |
2239 | if (!c_name) { | |
2240 | env->ReleaseStringUTFChars(j_path, c_path); | |
2241 | cephThrowInternal(env, "Failed to pin memory"); | |
2242 | return -1; | |
2243 | } | |
2244 | ||
2245 | ldout(cct, 10) << "jni: removexattr: path " << c_path << " name " << c_name << dendl; | |
2246 | ||
2247 | ret = ceph_removexattr(cmount, c_path, c_name); | |
2248 | ||
2249 | ldout(cct, 10) << "jni: removexattr: exit ret " << ret << dendl; | |
2250 | ||
2251 | env->ReleaseStringUTFChars(j_path, c_path); | |
2252 | env->ReleaseStringUTFChars(j_name, c_name); | |
2253 | ||
2254 | if (ret) | |
2255 | handle_error(env, ret); | |
2256 | ||
2257 | return ret; | |
2258 | } | |
2259 | ||
2260 | /* | |
2261 | * Class: com_ceph_fs_CephMount | |
2262 | * Method: native_ceph_lremovexattr | |
2263 | * Signature: (JLjava/lang/String;Ljava/lang/String;)I | |
2264 | */ | |
2265 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lremovexattr | |
2266 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name) | |
2267 | { | |
2268 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2269 | CephContext *cct = ceph_get_mount_context(cmount); | |
2270 | const char *c_path; | |
2271 | const char *c_name; | |
2272 | int ret; | |
2273 | ||
2274 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
2275 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
2276 | CHECK_MOUNTED(cmount, -1); | |
2277 | ||
2278 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2279 | if (!c_path) { | |
2280 | cephThrowInternal(env, "Failed to pin memory"); | |
2281 | return -1; | |
2282 | } | |
2283 | ||
2284 | c_name = env->GetStringUTFChars(j_name, NULL); | |
2285 | if (!c_name) { | |
2286 | env->ReleaseStringUTFChars(j_path, c_path); | |
2287 | cephThrowInternal(env, "Failed to pin memory"); | |
2288 | return -1; | |
2289 | } | |
2290 | ||
2291 | ldout(cct, 10) << "jni: lremovexattr: path " << c_path << " name " << c_name << dendl; | |
2292 | ||
2293 | ret = ceph_lremovexattr(cmount, c_path, c_name); | |
2294 | ||
2295 | ldout(cct, 10) << "jni: lremovexattr: exit ret " << ret << dendl; | |
2296 | ||
2297 | env->ReleaseStringUTFChars(j_path, c_path); | |
2298 | env->ReleaseStringUTFChars(j_name, c_name); | |
2299 | ||
2300 | if (ret) | |
2301 | handle_error(env, ret); | |
2302 | ||
2303 | return ret; | |
2304 | } | |
2305 | ||
2306 | /* | |
2307 | * Class: com_ceph_fs_CephMount | |
2308 | * Method: native_ceph_setxattr | |
2309 | * Signature: (JLjava/lang/String;Ljava/lang/String;[BJI)I | |
2310 | */ | |
2311 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1setxattr | |
2312 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, | |
2313 | jbyteArray j_buf, jlong j_size, jint j_flags) | |
2314 | { | |
2315 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2316 | CephContext *cct = ceph_get_mount_context(cmount); | |
2317 | const char *c_path; | |
2318 | const char *c_name; | |
2319 | jsize buf_size; | |
2320 | jbyte *c_buf; | |
2321 | int ret, flags; | |
2322 | ||
2323 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
2324 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
2325 | CHECK_ARG_NULL(j_buf, "@buf is null", -1); | |
2326 | CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1); | |
2327 | CHECK_MOUNTED(cmount, -1); | |
2328 | ||
2329 | buf_size = env->GetArrayLength(j_buf); | |
2330 | CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1); | |
2331 | ||
2332 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2333 | if (!c_path) { | |
2334 | cephThrowInternal(env, "Failed to pin memory"); | |
2335 | return -1; | |
2336 | } | |
2337 | ||
2338 | c_name = env->GetStringUTFChars(j_name, NULL); | |
2339 | if (!c_name) { | |
2340 | env->ReleaseStringUTFChars(j_path, c_path); | |
2341 | cephThrowInternal(env, "Failed to pin memory"); | |
2342 | return -1; | |
2343 | } | |
2344 | ||
2345 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
2346 | if (!c_buf) { | |
2347 | env->ReleaseStringUTFChars(j_path, c_path); | |
2348 | env->ReleaseStringUTFChars(j_name, c_name); | |
2349 | cephThrowInternal(env, "failed to pin memory"); | |
2350 | return -1; | |
2351 | } | |
2352 | ||
2353 | switch (j_flags) { | |
2354 | case JAVA_XATTR_CREATE: | |
2355 | flags = CEPH_XATTR_CREATE; | |
2356 | break; | |
2357 | case JAVA_XATTR_REPLACE: | |
2358 | flags = CEPH_XATTR_REPLACE; | |
2359 | break; | |
2360 | case JAVA_XATTR_NONE: | |
2361 | flags = 0; | |
2362 | break; | |
2363 | default: | |
2364 | env->ReleaseStringUTFChars(j_path, c_path); | |
2365 | env->ReleaseStringUTFChars(j_name, c_name); | |
2366 | env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT); | |
2367 | cephThrowIllegalArg(env, "setxattr flag"); | |
2368 | return -1; | |
2369 | } | |
2370 | ||
2371 | ldout(cct, 10) << "jni: setxattr: path " << c_path << " name " << c_name | |
2372 | << " len " << j_size << " flags " << flags << dendl; | |
2373 | ||
2374 | ret = ceph_setxattr(cmount, c_path, c_name, c_buf, j_size, flags); | |
2375 | ||
2376 | ldout(cct, 10) << "jni: setxattr: exit ret " << ret << dendl; | |
2377 | ||
2378 | env->ReleaseStringUTFChars(j_path, c_path); | |
2379 | env->ReleaseStringUTFChars(j_name, c_name); | |
2380 | env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT); | |
2381 | ||
2382 | if (ret) | |
2383 | handle_error(env, ret); | |
2384 | ||
2385 | return ret; | |
2386 | } | |
2387 | ||
2388 | /* | |
2389 | * Class: com_ceph_fs_CephMount | |
2390 | * Method: native_ceph_lsetxattr | |
2391 | * Signature: (JLjava/lang/String;Ljava/lang/String;[BJI)I | |
2392 | */ | |
2393 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1lsetxattr | |
2394 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring j_path, jstring j_name, | |
2395 | jbyteArray j_buf, jlong j_size, jint j_flags) | |
2396 | { | |
2397 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2398 | CephContext *cct = ceph_get_mount_context(cmount); | |
2399 | const char *c_path; | |
2400 | const char *c_name; | |
2401 | jsize buf_size; | |
2402 | jbyte *c_buf; | |
2403 | int ret, flags; | |
2404 | ||
2405 | CHECK_ARG_NULL(j_path, "@path is null", -1); | |
2406 | CHECK_ARG_NULL(j_name, "@name is null", -1); | |
2407 | CHECK_ARG_NULL(j_buf, "@buf is null", -1); | |
2408 | CHECK_ARG_BOUNDS(j_size < 0, "@size is negative", -1); | |
2409 | CHECK_MOUNTED(cmount, -1); | |
2410 | ||
2411 | buf_size = env->GetArrayLength(j_buf); | |
2412 | CHECK_ARG_BOUNDS(j_size > buf_size, "@size > @buf.length", -1); | |
2413 | ||
2414 | c_path = env->GetStringUTFChars(j_path, NULL); | |
2415 | if (!c_path) { | |
2416 | cephThrowInternal(env, "Failed to pin memory"); | |
2417 | return -1; | |
2418 | } | |
2419 | ||
2420 | c_name = env->GetStringUTFChars(j_name, NULL); | |
2421 | if (!c_name) { | |
2422 | env->ReleaseStringUTFChars(j_path, c_path); | |
2423 | cephThrowInternal(env, "Failed to pin memory"); | |
2424 | return -1; | |
2425 | } | |
2426 | ||
2427 | c_buf = env->GetByteArrayElements(j_buf, NULL); | |
2428 | if (!c_buf) { | |
2429 | env->ReleaseStringUTFChars(j_path, c_path); | |
2430 | env->ReleaseStringUTFChars(j_name, c_name); | |
2431 | cephThrowInternal(env, "failed to pin memory"); | |
2432 | return -1; | |
2433 | } | |
2434 | ||
2435 | switch (j_flags) { | |
2436 | case JAVA_XATTR_CREATE: | |
2437 | flags = CEPH_XATTR_CREATE; | |
2438 | break; | |
2439 | case JAVA_XATTR_REPLACE: | |
2440 | flags = CEPH_XATTR_REPLACE; | |
2441 | break; | |
2442 | case JAVA_XATTR_NONE: | |
2443 | flags = 0; | |
2444 | break; | |
2445 | default: | |
2446 | env->ReleaseStringUTFChars(j_path, c_path); | |
2447 | env->ReleaseStringUTFChars(j_name, c_name); | |
2448 | env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT); | |
2449 | cephThrowIllegalArg(env, "lsetxattr flag"); | |
2450 | return -1; | |
2451 | } | |
2452 | ||
2453 | ldout(cct, 10) << "jni: lsetxattr: path " << c_path << " name " << c_name | |
2454 | << " len " << j_size << " flags " << flags << dendl; | |
2455 | ||
2456 | ret = ceph_lsetxattr(cmount, c_path, c_name, c_buf, j_size, flags); | |
2457 | ||
2458 | ldout(cct, 10) << "jni: lsetxattr: exit ret " << ret << dendl; | |
2459 | ||
2460 | env->ReleaseStringUTFChars(j_path, c_path); | |
2461 | env->ReleaseStringUTFChars(j_name, c_name); | |
2462 | env->ReleaseByteArrayElements(j_buf, c_buf, JNI_ABORT); | |
2463 | ||
2464 | if (ret) | |
2465 | handle_error(env, ret); | |
2466 | ||
2467 | return ret; | |
2468 | } | |
2469 | ||
2470 | /* | |
2471 | * Class: com_ceph_fs_CephMount | |
2472 | * Method: native_ceph_get_file_stripe_unit | |
2473 | * Signature: (JI)I | |
2474 | */ | |
2475 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1stripe_1unit | |
2476 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd) | |
2477 | { | |
2478 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2479 | CephContext *cct = ceph_get_mount_context(cmount); | |
2480 | int ret; | |
2481 | ||
2482 | CHECK_MOUNTED(cmount, -1); | |
2483 | ||
2484 | ldout(cct, 10) << "jni: get_file_stripe_unit: fd " << (int)j_fd << dendl; | |
2485 | ||
2486 | ret = ceph_get_file_stripe_unit(cmount, (int)j_fd); | |
2487 | ||
2488 | ldout(cct, 10) << "jni: get_file_stripe_unit: exit ret " << ret << dendl; | |
2489 | ||
2490 | if (ret < 0) | |
2491 | handle_error(env, ret); | |
2492 | ||
2493 | return ret; | |
2494 | } | |
2495 | ||
2496 | /* | |
2497 | * Class: com_ceph_fs_CephMount | |
2498 | * Method: native_ceph_get_file_replication | |
2499 | * Signature: (JI)I | |
2500 | */ | |
2501 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1replication | |
2502 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd) | |
2503 | { | |
2504 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2505 | CephContext *cct = ceph_get_mount_context(cmount); | |
2506 | int ret; | |
2507 | ||
2508 | CHECK_MOUNTED(cmount, -1); | |
2509 | ||
2510 | ldout(cct, 10) << "jni: get_file_replication: fd " << (int)j_fd << dendl; | |
2511 | ||
2512 | ret = ceph_get_file_replication(cmount, (int)j_fd); | |
2513 | ||
2514 | ldout(cct, 10) << "jni: get_file_replication: exit ret " << ret << dendl; | |
2515 | ||
2516 | if (ret < 0) | |
2517 | handle_error(env, ret); | |
2518 | ||
2519 | return ret; | |
2520 | } | |
2521 | ||
2522 | /* | |
2523 | * Class: com_ceph_fs_CephMount | |
2524 | * Method: native_ceph_get_file_pool_name | |
2525 | * Signature: (JI)Ljava/lang/String; | |
2526 | */ | |
2527 | JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1pool_1name | |
2528 | (JNIEnv *env, jclass clz, jlong j_mntp, jint j_fd) | |
2529 | { | |
2530 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2531 | CephContext *cct = ceph_get_mount_context(cmount); | |
2532 | jstring pool = NULL; | |
2533 | int ret, buflen = 0; | |
2534 | char *buf = NULL; | |
2535 | ||
2536 | CHECK_MOUNTED(cmount, NULL); | |
2537 | ||
2538 | ldout(cct, 10) << "jni: get_file_pool_name: fd " << (int)j_fd << dendl; | |
2539 | ||
2540 | for (;;) { | |
2541 | /* get pool name length (len==0) */ | |
2542 | ret = ceph_get_file_pool_name(cmount, (int)j_fd, NULL, 0); | |
2543 | if (ret < 0) | |
2544 | break; | |
2545 | ||
2546 | /* allocate buffer */ | |
2547 | if (buf) | |
2548 | delete [] buf; | |
2549 | buflen = ret; | |
2550 | buf = new (std::nothrow) char[buflen+1]; /* +1 for '\0' */ | |
2551 | if (!buf) { | |
2552 | cephThrowOutOfMemory(env, "head allocation failed"); | |
2553 | goto out; | |
2554 | } | |
2555 | memset(buf, 0, (buflen+1)*sizeof(*buf)); | |
2556 | ||
2557 | /* handle zero-length pool name!? */ | |
2558 | if (buflen == 0) | |
2559 | break; | |
2560 | ||
2561 | /* fill buffer */ | |
2562 | ret = ceph_get_file_pool_name(cmount, (int)j_fd, buf, buflen); | |
2563 | if (ret == -ERANGE) /* size changed! */ | |
2564 | continue; | |
2565 | else | |
2566 | break; | |
2567 | } | |
2568 | ||
2569 | ldout(cct, 10) << "jni: get_file_pool_name: ret " << ret << dendl; | |
2570 | ||
2571 | if (ret < 0) | |
2572 | handle_error(env, ret); | |
2573 | else | |
2574 | pool = env->NewStringUTF(buf); | |
2575 | ||
2576 | out: | |
2577 | if (buf) | |
2578 | delete [] buf; | |
2579 | ||
2580 | return pool; | |
2581 | } | |
2582 | ||
d2e6a577 FG |
2583 | /** |
2584 | * Class: com_ceph_fs_CephMount | |
2585 | * Method: native_ceph_get_default_data_pool_name | |
2586 | * Signature: (J)Ljava/lang/String; | |
2587 | */ | |
2588 | JNIEXPORT jstring JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1default_1data_1pool_1name | |
2589 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
2590 | { | |
2591 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2592 | CephContext *cct = ceph_get_mount_context(cmount); | |
2593 | jstring pool = NULL; | |
2594 | int ret, buflen = 0; | |
2595 | char *buf = NULL; | |
2596 | ||
2597 | CHECK_MOUNTED(cmount, NULL); | |
2598 | ||
2599 | ldout(cct, 10) << "jni: get_default_data_pool_name" << dendl; | |
2600 | ||
2601 | ret = ceph_get_default_data_pool_name(cmount, NULL, 0); | |
2602 | if (ret < 0) | |
2603 | goto out; | |
2604 | buflen = ret; | |
2605 | buf = new (std::nothrow) char[buflen+1]; /* +1 for '\0' */ | |
2606 | if (!buf) { | |
2607 | cephThrowOutOfMemory(env, "head allocation failed"); | |
2608 | goto out; | |
2609 | } | |
2610 | memset(buf, 0, (buflen+1)*sizeof(*buf)); | |
2611 | ret = ceph_get_default_data_pool_name(cmount, buf, buflen); | |
2612 | ||
2613 | ldout(cct, 10) << "jni: get_default_data_pool_name: ret " << ret << dendl; | |
2614 | ||
2615 | if (ret < 0) | |
2616 | handle_error(env, ret); | |
2617 | else | |
2618 | pool = env->NewStringUTF(buf); | |
2619 | ||
2620 | out: | |
2621 | if (buf) | |
2622 | delete [] buf; | |
2623 | ||
2624 | return pool; | |
2625 | } | |
2626 | ||
2627 | ||
7c673cae FG |
2628 | /* |
2629 | * Class: com_ceph_fs_CephMount | |
2630 | * Method: native_ceph_localize_reads | |
2631 | * Signature: (JZ)I | |
2632 | */ | |
2633 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1localize_1reads | |
2634 | (JNIEnv *env, jclass clz, jlong j_mntp, jboolean j_on) | |
2635 | { | |
2636 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2637 | CephContext *cct = ceph_get_mount_context(cmount); | |
2638 | int ret, val = j_on ? 1 : 0; | |
2639 | ||
2640 | CHECK_MOUNTED(cmount, -1); | |
2641 | ||
2642 | ldout(cct, 10) << "jni: localize_reads: val " << val << dendl; | |
2643 | ||
2644 | ret = ceph_localize_reads(cmount, val); | |
2645 | ||
2646 | ldout(cct, 10) << "jni: localize_reads: exit ret " << ret << dendl; | |
2647 | ||
2648 | if (ret) | |
2649 | handle_error(env, ret); | |
2650 | ||
2651 | return ret; | |
2652 | } | |
2653 | ||
2654 | /* | |
2655 | * Class: com_ceph_fs_CephMount | |
2656 | * Method: native_ceph_get_stripe_unit_granularity | |
2657 | * Signature: (J)I | |
2658 | */ | |
2659 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1stripe_1unit_1granularity | |
2660 | (JNIEnv *env, jclass clz, jlong j_mntp) | |
2661 | { | |
2662 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2663 | CephContext *cct = ceph_get_mount_context(cmount); | |
2664 | int ret; | |
2665 | ||
2666 | CHECK_MOUNTED(cmount, -1); | |
2667 | ||
2668 | ldout(cct, 10) << "jni: get_stripe_unit_granularity" << dendl; | |
2669 | ||
2670 | ret = ceph_get_stripe_unit_granularity(cmount); | |
2671 | ||
2672 | ldout(cct, 10) << "jni: get_stripe_unit_granularity: exit ret " << ret << dendl; | |
2673 | ||
2674 | if (ret < 0) | |
2675 | handle_error(env, ret); | |
2676 | ||
2677 | return ret; | |
2678 | } | |
2679 | ||
2680 | /* | |
2681 | * Class: com_ceph_fs_CephMount | |
2682 | * Method: native_ceph_get_pool_id | |
2683 | * Signature: (JLjava/lang/String;)I | |
2684 | */ | |
2685 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1pool_1id | |
2686 | (JNIEnv *env, jclass clz, jlong j_mntp, jstring jname) | |
2687 | { | |
2688 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2689 | CephContext *cct = ceph_get_mount_context(cmount); | |
2690 | const char *c_name; | |
2691 | int ret; | |
2692 | ||
2693 | CHECK_MOUNTED(cmount, -1); | |
2694 | CHECK_ARG_NULL(jname, "@name is null", -1); | |
2695 | ||
2696 | c_name = env->GetStringUTFChars(jname, NULL); | |
2697 | if (!c_name) { | |
2698 | cephThrowInternal(env, "failed to pin memory"); | |
2699 | return -1; | |
2700 | } | |
2701 | ||
2702 | ldout(cct, 10) << "jni: get_pool_id: name " << c_name << dendl; | |
2703 | ||
2704 | ret = ceph_get_pool_id(cmount, c_name); | |
2705 | if (ret < 0) | |
2706 | handle_error(env, ret); | |
2707 | ||
2708 | ldout(cct, 10) << "jni: get_pool_id: ret " << ret << dendl; | |
2709 | ||
2710 | env->ReleaseStringUTFChars(jname, c_name); | |
2711 | ||
2712 | return ret; | |
2713 | } | |
2714 | ||
2715 | /* | |
2716 | * Class: com_ceph_fs_CephMount | |
2717 | * Method: native_ceph_get_pool_replication | |
2718 | * Signature: (JI)I | |
2719 | */ | |
2720 | JNIEXPORT jint JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1pool_1replication | |
2721 | (JNIEnv *env, jclass clz, jlong j_mntp, jint jpoolid) | |
2722 | { | |
2723 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2724 | CephContext *cct = ceph_get_mount_context(cmount); | |
2725 | int ret; | |
2726 | ||
2727 | CHECK_MOUNTED(cmount, -1); | |
2728 | ||
2729 | ldout(cct, 10) << "jni: get_pool_replication: poolid " << jpoolid << dendl; | |
2730 | ||
2731 | ret = ceph_get_pool_replication(cmount, jpoolid); | |
2732 | if (ret < 0) | |
2733 | handle_error(env, ret); | |
2734 | ||
2735 | ldout(cct, 10) << "jni: get_pool_replication: ret " << ret << dendl; | |
2736 | ||
2737 | return ret; | |
2738 | } | |
2739 | ||
2740 | /* | |
2741 | * Class: com_ceph_fs_CephMount | |
2742 | * Method: native_ceph_get_file_extent_osds | |
2743 | * Signature: (JIJ)Lcom/ceph/fs/CephFileExtent; | |
2744 | */ | |
2745 | JNIEXPORT jobject JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1file_1extent_1osds | |
2746 | (JNIEnv *env, jclass clz, jlong mntp, jint fd, jlong off) | |
2747 | { | |
2748 | struct ceph_mount_info *cmount = get_ceph_mount(mntp); | |
2749 | CephContext *cct = ceph_get_mount_context(cmount); | |
2750 | jobject extent = NULL; | |
2751 | int ret, nosds, *osds = NULL; | |
2752 | jintArray osd_array; | |
2753 | loff_t len; | |
2754 | ||
2755 | CHECK_MOUNTED(cmount, NULL); | |
2756 | ||
2757 | ldout(cct, 10) << "jni: get_file_extent_osds: fd " << fd << " off " << off << dendl; | |
2758 | ||
2759 | for (;;) { | |
2760 | /* get pg size */ | |
2761 | ret = ceph_get_file_extent_osds(cmount, fd, off, NULL, NULL, 0); | |
2762 | if (ret < 0) | |
2763 | break; | |
2764 | ||
2765 | /* alloc osd id array */ | |
2766 | if (osds) | |
2767 | delete [] osds; | |
2768 | nosds = ret; | |
2769 | osds = new int[nosds]; | |
2770 | ||
2771 | /* get osd ids */ | |
2772 | ret = ceph_get_file_extent_osds(cmount, fd, off, &len, osds, nosds); | |
2773 | if (ret == -ERANGE) | |
2774 | continue; | |
2775 | else | |
2776 | break; | |
2777 | } | |
2778 | ||
2779 | ldout(cct, 10) << "jni: get_file_extent_osds: ret " << ret << dendl; | |
2780 | ||
2781 | if (ret < 0) { | |
2782 | handle_error(env, ret); | |
2783 | goto out; | |
2784 | } | |
2785 | ||
2786 | nosds = ret; | |
2787 | ||
2788 | osd_array = env->NewIntArray(nosds); | |
2789 | if (!osd_array) | |
2790 | goto out; | |
2791 | ||
2792 | env->SetIntArrayRegion(osd_array, 0, nosds, osds); | |
2793 | if (env->ExceptionOccurred()) | |
2794 | goto out; | |
2795 | ||
2796 | extent = env->NewObject(cephfileextent_cls, cephfileextent_ctor_fid, off, len, osd_array); | |
2797 | if (!extent) | |
2798 | goto out; | |
2799 | ||
2800 | out: | |
2801 | if (osds) | |
2802 | delete [] osds; | |
2803 | ||
2804 | return extent; | |
2805 | } | |
2806 | ||
2807 | /* | |
2808 | * Class: com_ceph_fs_CephMount | |
2809 | * Method: native_ceph_get_osd_crush_location | |
2810 | * Signature: (JI)[Ljava/lang/String; | |
2811 | */ | |
2812 | JNIEXPORT jobjectArray JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1osd_1crush_1location | |
2813 | (JNIEnv *env, jclass clz, jlong j_mntp, jint osdid) | |
2814 | { | |
2815 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
2816 | CephContext *cct = ceph_get_mount_context(cmount); | |
2817 | jobjectArray path = NULL; | |
2818 | vector<string> str_path; | |
2819 | int ret, bufpos, buflen = 0; | |
2820 | char *buf = NULL; | |
2821 | ||
2822 | CHECK_MOUNTED(cmount, NULL); | |
2823 | ||
2824 | ldout(cct, 10) << "jni: osd loc: osd " << osdid << dendl; | |
2825 | ||
2826 | for (;;) { | |
2827 | /* get length of the location path */ | |
2828 | ret = ceph_get_osd_crush_location(cmount, osdid, NULL, 0); | |
2829 | if (ret < 0) | |
2830 | break; | |
2831 | ||
2832 | /* alloc path buffer */ | |
2833 | if (buf) | |
2834 | delete [] buf; | |
2835 | buflen = ret; | |
2836 | buf = new char[buflen+1]; | |
2837 | memset(buf, 0, buflen*sizeof(*buf)); | |
2838 | ||
2839 | /* empty path */ | |
2840 | if (buflen == 0) | |
2841 | break; | |
2842 | ||
2843 | /* get the path */ | |
2844 | ret = ceph_get_osd_crush_location(cmount, osdid, buf, buflen); | |
2845 | if (ret == -ERANGE) | |
2846 | continue; | |
2847 | else | |
2848 | break; | |
2849 | } | |
2850 | ||
2851 | ldout(cct, 10) << "jni: osd loc: osd " << osdid << " ret " << ret << dendl; | |
2852 | ||
2853 | if (ret < 0) { | |
2854 | handle_error(env, ret); | |
2855 | goto out; | |
2856 | } | |
2857 | ||
2858 | bufpos = 0; | |
2859 | while (bufpos < ret) { | |
2860 | string type(buf + bufpos); | |
2861 | bufpos += type.size() + 1; | |
2862 | string name(buf + bufpos); | |
2863 | bufpos += name.size() + 1; | |
2864 | str_path.push_back(type); | |
2865 | str_path.push_back(name); | |
2866 | } | |
2867 | ||
2868 | path = env->NewObjectArray(str_path.size(), env->FindClass("java/lang/String"), NULL); | |
2869 | if (!path) | |
2870 | goto out; | |
2871 | ||
2872 | for (unsigned i = 0; i < str_path.size(); i++) { | |
2873 | jstring ent = env->NewStringUTF(str_path[i].c_str()); | |
2874 | if (!ent) | |
2875 | goto out; | |
2876 | env->SetObjectArrayElement(path, i, ent); | |
2877 | if (env->ExceptionOccurred()) | |
2878 | goto out; | |
2879 | env->DeleteLocalRef(ent); | |
2880 | } | |
2881 | ||
2882 | out: | |
2883 | if (buf) | |
2884 | delete [] buf; | |
2885 | ||
2886 | return path; | |
2887 | } | |
2888 | ||
2889 | /* | |
2890 | * sockaddrToInetAddress uses with the following license, and is adapted for | |
2891 | * use in this project by using Ceph JNI exception utilities. | |
2892 | * | |
2893 | * ---- | |
2894 | * | |
2895 | * Copyright (C) 2010 The Android Open Source Project | |
2896 | * | |
2897 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
2898 | * you may not use this file except in compliance with the License. | |
2899 | * You may obtain a copy of the License at | |
2900 | * | |
2901 | * http://www.apache.org/licenses/LICENSE-2.0 | |
2902 | * | |
2903 | * Unless required by applicable law or agreed to in writing, software | |
2904 | * distributed under the License is distributed on an "AS IS" BASIS, | |
2905 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
2906 | * See the License for the specific language governing permissions and | |
2907 | * limitations under the License. | |
2908 | */ | |
2909 | jobject sockaddrToInetAddress(JNIEnv* env, const sockaddr_storage& ss, jint* port) { | |
2910 | // Convert IPv4-mapped IPv6 addresses to IPv4 addresses. | |
2911 | // The RI states "Java will never return an IPv4-mapped address". | |
2912 | const sockaddr_in6& sin6 = reinterpret_cast<const sockaddr_in6&>(ss); | |
2913 | if (ss.ss_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&sin6.sin6_addr)) { | |
2914 | // Copy the IPv6 address into the temporary sockaddr_storage. | |
2915 | sockaddr_storage tmp; | |
2916 | memset(&tmp, 0, sizeof(tmp)); | |
2917 | memcpy(&tmp, &ss, sizeof(sockaddr_in6)); | |
2918 | // Unmap it into an IPv4 address. | |
2919 | sockaddr_in& sin = reinterpret_cast<sockaddr_in&>(tmp); | |
2920 | sin.sin_family = AF_INET; | |
2921 | sin.sin_port = sin6.sin6_port; | |
2922 | memcpy(&sin.sin_addr.s_addr, &sin6.sin6_addr.s6_addr[12], 4); | |
2923 | // Do the regular conversion using the unmapped address. | |
2924 | return sockaddrToInetAddress(env, tmp, port); | |
2925 | } | |
2926 | ||
2927 | const void* rawAddress; | |
2928 | size_t addressLength; | |
2929 | int sin_port = 0; | |
2930 | int scope_id = 0; | |
2931 | if (ss.ss_family == AF_INET) { | |
2932 | const sockaddr_in& sin = reinterpret_cast<const sockaddr_in&>(ss); | |
2933 | rawAddress = &sin.sin_addr.s_addr; | |
2934 | addressLength = 4; | |
2935 | sin_port = ntohs(sin.sin_port); | |
2936 | } else if (ss.ss_family == AF_INET6) { | |
2937 | const sockaddr_in6& sin6 = reinterpret_cast<const sockaddr_in6&>(ss); | |
2938 | rawAddress = &sin6.sin6_addr.s6_addr; | |
2939 | addressLength = 16; | |
2940 | sin_port = ntohs(sin6.sin6_port); | |
2941 | scope_id = sin6.sin6_scope_id; | |
2942 | } else if (ss.ss_family == AF_UNIX) { | |
2943 | const sockaddr_un& sun = reinterpret_cast<const sockaddr_un&>(ss); | |
2944 | rawAddress = &sun.sun_path; | |
2945 | addressLength = strlen(sun.sun_path); | |
2946 | } else { | |
2947 | // We can't throw SocketException. We aren't meant to see bad addresses, so seeing one | |
2948 | // really does imply an internal error. | |
2949 | //jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", | |
2950 | // "sockaddrToInetAddress unsupported ss_family: %i", ss.ss_family); | |
2951 | cephThrowIllegalArg(env, "sockaddrToInetAddress unsupposed ss_family"); | |
2952 | return NULL; | |
2953 | } | |
2954 | if (port != NULL) { | |
2955 | *port = sin_port; | |
2956 | } | |
2957 | ||
2958 | ScopedLocalRef<jbyteArray> byteArray(env, env->NewByteArray(addressLength)); | |
2959 | if (byteArray.get() == NULL) { | |
2960 | return NULL; | |
2961 | } | |
2962 | env->SetByteArrayRegion(byteArray.get(), 0, addressLength, | |
2963 | reinterpret_cast<jbyte*>(const_cast<void*>(rawAddress))); | |
2964 | ||
2965 | if (ss.ss_family == AF_UNIX) { | |
2966 | // Note that we get here for AF_UNIX sockets on accept(2). The unix(7) man page claims | |
2967 | // that the peer's sun_path will contain the path, but in practice it doesn't, and the | |
2968 | // peer length is returned as 2 (meaning only the sun_family field was set). | |
2969 | // | |
2970 | // Ceph Note: this isn't supported. inetUnixAddress appears to just be | |
2971 | // something in Dalvik/Android stuff. | |
2972 | cephThrowInternal(env, "OSD address should never be a UNIX socket"); | |
2973 | return NULL; | |
2974 | //static jmethodID ctor = env->GetMethodID(JniConstants::inetUnixAddressClass, "<init>", "([B)V"); | |
2975 | //return env->NewObject(JniConstants::inetUnixAddressClass, ctor, byteArray.get()); | |
2976 | } | |
2977 | ||
2978 | if (addressLength == 4) { | |
2979 | static jmethodID getByAddressMethod = env->GetStaticMethodID(JniConstants::inetAddressClass, | |
2980 | "getByAddress", "(Ljava/lang/String;[B)Ljava/net/InetAddress;"); | |
2981 | if (getByAddressMethod == NULL) { | |
2982 | return NULL; | |
2983 | } | |
2984 | return env->CallStaticObjectMethod(JniConstants::inetAddressClass, getByAddressMethod, | |
2985 | NULL, byteArray.get()); | |
2986 | } else if (addressLength == 16) { | |
2987 | static jmethodID getByAddressMethod = env->GetStaticMethodID(JniConstants::inet6AddressClass, | |
2988 | "getByAddress", "(Ljava/lang/String;[BI)Ljava/net/Inet6Address;"); | |
2989 | if (getByAddressMethod == NULL) { | |
2990 | return NULL; | |
2991 | } | |
2992 | return env->CallStaticObjectMethod(JniConstants::inet6AddressClass, getByAddressMethod, | |
2993 | NULL, byteArray.get(), scope_id); | |
2994 | } else { | |
2995 | abort(); | |
2996 | return NULL; | |
2997 | } | |
2998 | } | |
2999 | ||
3000 | /* | |
3001 | * Class: com_ceph_fs_CephMount | |
3002 | * Method: native_ceph_get_osd_addr | |
3003 | * Signature: (JI)Ljava/net/InetAddress; | |
3004 | */ | |
3005 | JNIEXPORT jobject JNICALL Java_com_ceph_fs_CephMount_native_1ceph_1get_1osd_1addr | |
3006 | (JNIEnv *env, jclass clz, jlong j_mntp, jint osd) | |
3007 | { | |
3008 | struct ceph_mount_info *cmount = get_ceph_mount(j_mntp); | |
3009 | CephContext *cct = ceph_get_mount_context(cmount); | |
3010 | struct sockaddr_storage addr; | |
3011 | int ret; | |
3012 | ||
3013 | CHECK_MOUNTED(cmount, NULL); | |
3014 | ||
3015 | ldout(cct, 10) << "jni: get_osd_addr: osd " << osd << dendl; | |
3016 | ||
3017 | ret = ceph_get_osd_addr(cmount, osd, &addr); | |
3018 | ||
3019 | ldout(cct, 10) << "jni: get_osd_addr: ret " << ret << dendl; | |
3020 | ||
3021 | if (ret < 0) { | |
3022 | handle_error(env, ret); | |
3023 | return NULL; | |
3024 | } | |
3025 | ||
3026 | return sockaddrToInetAddress(env, addr, NULL); | |
3027 | } |