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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | #include "test/librbd/test_fixture.h" | |
4 | #include "test/librbd/test_support.h" | |
5 | #include "include/int_types.h" | |
6 | #include "include/stringify.h" | |
7 | #include "include/rados/librados.h" | |
8 | #include "include/rbd/librbd.hpp" | |
9 | #include "common/Cond.h" | |
10 | #include "common/errno.h" | |
11 | #include "common/Mutex.h" | |
12 | #include "common/RWLock.h" | |
13 | #include "cls/lock/cls_lock_client.h" | |
14 | #include "cls/lock/cls_lock_types.h" | |
15 | #include "librbd/internal.h" | |
16 | #include "librbd/ImageCtx.h" | |
17 | #include "librbd/ImageWatcher.h" | |
18 | #include "librbd/WatchNotifyTypes.h" | |
19 | #include "librbd/io/AioCompletion.h" | |
20 | #include "librbd/io/ImageRequestWQ.h" | |
21 | #include "test/librados/test.h" | |
22 | #include "gtest/gtest.h" | |
23 | #include <boost/assign/std/set.hpp> | |
24 | #include <boost/assign/std/map.hpp> | |
25 | #include <boost/bind.hpp> | |
26 | #include <boost/scope_exit.hpp> | |
27 | #include <boost/thread/thread.hpp> | |
28 | #include <iostream> | |
29 | #include <map> | |
30 | #include <set> | |
31 | #include <sstream> | |
32 | #include <vector> | |
33 | ||
34 | using namespace ceph; | |
35 | using namespace boost::assign; | |
36 | using namespace librbd::watch_notify; | |
37 | ||
38 | void register_test_image_watcher() { | |
39 | } | |
40 | ||
41 | class TestImageWatcher : public TestFixture { | |
42 | public: | |
43 | ||
44 | TestImageWatcher() : m_watch_ctx(NULL), m_callback_lock("m_callback_lock") | |
45 | { | |
46 | } | |
47 | ||
48 | class WatchCtx : public librados::WatchCtx2 { | |
49 | public: | |
50 | explicit WatchCtx(TestImageWatcher &parent) : m_parent(parent), m_handle(0) {} | |
51 | ||
52 | int watch(const librbd::ImageCtx &ictx) { | |
53 | m_header_oid = ictx.header_oid; | |
54 | return m_parent.m_ioctx.watch2(m_header_oid, &m_handle, this); | |
55 | } | |
56 | ||
57 | int unwatch() { | |
58 | return m_parent.m_ioctx.unwatch2(m_handle); | |
59 | } | |
60 | ||
61 | void handle_notify(uint64_t notify_id, | |
62 | uint64_t cookie, | |
63 | uint64_t notifier_id, | |
64 | bufferlist& bl) override { | |
65 | try { | |
66 | int op; | |
67 | bufferlist payload; | |
68 | bufferlist::iterator iter = bl.begin(); | |
69 | DECODE_START(1, iter); | |
70 | ::decode(op, iter); | |
71 | iter.copy_all(payload); | |
72 | DECODE_FINISH(iter); | |
73 | ||
74 | NotifyOp notify_op = static_cast<NotifyOp>(op); | |
75 | /* | |
76 | std::cout << "NOTIFY: " << notify_op << ", " << notify_id | |
77 | << ", " << cookie << ", " << notifier_id << std::endl; | |
78 | */ | |
79 | ||
80 | Mutex::Locker l(m_parent.m_callback_lock); | |
81 | m_parent.m_notify_payloads[notify_op] = payload; | |
82 | ||
83 | bufferlist reply; | |
84 | if (m_parent.m_notify_acks.count(notify_op) > 0) { | |
85 | reply = m_parent.m_notify_acks[notify_op]; | |
86 | m_parent.m_notifies += notify_op; | |
87 | m_parent.m_callback_cond.Signal(); | |
88 | } | |
89 | ||
90 | m_parent.m_ioctx.notify_ack(m_header_oid, notify_id, cookie, reply); | |
91 | } catch (...) { | |
92 | FAIL(); | |
93 | } | |
94 | } | |
95 | ||
96 | void handle_error(uint64_t cookie, int err) override { | |
97 | std::cerr << "ERROR: " << cookie << ", " << cpp_strerror(err) | |
98 | << std::endl; | |
99 | } | |
100 | ||
101 | uint64_t get_handle() const { | |
102 | return m_handle; | |
103 | } | |
104 | ||
105 | private: | |
106 | TestImageWatcher &m_parent; | |
107 | std::string m_header_oid; | |
108 | uint64_t m_handle; | |
109 | }; | |
110 | ||
111 | void TearDown() override { | |
112 | deregister_image_watch(); | |
113 | TestFixture::TearDown(); | |
114 | } | |
115 | ||
116 | int deregister_image_watch() { | |
117 | if (m_watch_ctx != NULL) { | |
118 | int r = m_watch_ctx->unwatch(); | |
119 | ||
120 | librados::Rados rados(m_ioctx); | |
121 | rados.watch_flush(); | |
122 | ||
123 | delete m_watch_ctx; | |
124 | m_watch_ctx = NULL; | |
125 | return r; | |
126 | } | |
127 | return 0; | |
128 | } | |
129 | ||
130 | int register_image_watch(librbd::ImageCtx &ictx) { | |
131 | m_watch_ctx = new WatchCtx(*this); | |
132 | return m_watch_ctx->watch(ictx); | |
133 | } | |
134 | ||
135 | bool wait_for_notifies(librbd::ImageCtx &ictx) { | |
136 | Mutex::Locker l(m_callback_lock); | |
137 | while (m_notifies.size() < m_notify_acks.size()) { | |
138 | int r = m_callback_cond.WaitInterval(m_callback_lock, | |
139 | utime_t(10, 0)); | |
140 | if (r != 0) { | |
141 | break; | |
142 | } | |
143 | } | |
144 | return (m_notifies.size() == m_notify_acks.size()); | |
145 | } | |
146 | ||
147 | bufferlist create_response_message(int r) { | |
148 | bufferlist bl; | |
149 | ::encode(ResponseMessage(r), bl); | |
150 | return bl; | |
151 | } | |
152 | ||
153 | bool extract_async_request_id(NotifyOp op, AsyncRequestId *id) { | |
154 | if (m_notify_payloads.count(op) == 0) { | |
155 | return false; | |
156 | } | |
157 | ||
158 | bufferlist payload = m_notify_payloads[op]; | |
159 | bufferlist::iterator iter = payload.begin(); | |
160 | ||
161 | switch (op) { | |
162 | case NOTIFY_OP_FLATTEN: | |
163 | { | |
164 | FlattenPayload payload; | |
165 | payload.decode(2, iter); | |
166 | *id = payload.async_request_id; | |
167 | } | |
168 | return true; | |
169 | case NOTIFY_OP_RESIZE: | |
170 | { | |
171 | ResizePayload payload; | |
172 | payload.decode(2, iter); | |
173 | *id = payload.async_request_id; | |
174 | } | |
175 | return true; | |
176 | case NOTIFY_OP_REBUILD_OBJECT_MAP: | |
177 | { | |
178 | RebuildObjectMapPayload payload; | |
179 | payload.decode(2, iter); | |
180 | *id = payload.async_request_id; | |
181 | } | |
182 | return true; | |
183 | default: | |
184 | break; | |
185 | } | |
186 | return false; | |
187 | } | |
188 | ||
189 | int notify_async_progress(librbd::ImageCtx *ictx, const AsyncRequestId &id, | |
190 | uint64_t offset, uint64_t total) { | |
191 | bufferlist bl; | |
192 | ::encode(NotifyMessage(AsyncProgressPayload(id, offset, total)), bl); | |
193 | return m_ioctx.notify2(ictx->header_oid, bl, 5000, NULL); | |
194 | } | |
195 | ||
196 | int notify_async_complete(librbd::ImageCtx *ictx, const AsyncRequestId &id, | |
197 | int r) { | |
198 | bufferlist bl; | |
199 | ::encode(NotifyMessage(AsyncCompletePayload(id, r)), bl); | |
200 | return m_ioctx.notify2(ictx->header_oid, bl, 5000, NULL); | |
201 | } | |
202 | ||
203 | typedef std::map<NotifyOp, bufferlist> NotifyOpPayloads; | |
204 | typedef std::set<NotifyOp> NotifyOps; | |
205 | ||
206 | WatchCtx *m_watch_ctx; | |
207 | ||
208 | NotifyOps m_notifies; | |
209 | NotifyOpPayloads m_notify_payloads; | |
210 | NotifyOpPayloads m_notify_acks; | |
211 | ||
212 | AsyncRequestId m_async_request_id; | |
213 | ||
214 | Mutex m_callback_lock; | |
215 | Cond m_callback_cond; | |
216 | ||
217 | }; | |
218 | ||
219 | struct ProgressContext : public librbd::ProgressContext { | |
220 | Mutex mutex; | |
221 | Cond cond; | |
222 | bool received; | |
223 | uint64_t offset; | |
224 | uint64_t total; | |
225 | ||
226 | ProgressContext() : mutex("ProgressContext::mutex"), received(false), | |
227 | offset(0), total(0) {} | |
228 | ||
229 | int update_progress(uint64_t offset_, uint64_t total_) override { | |
230 | Mutex::Locker l(mutex); | |
231 | offset = offset_; | |
232 | total = total_; | |
233 | received = true; | |
234 | cond.Signal(); | |
235 | return 0; | |
236 | } | |
237 | ||
238 | bool wait(librbd::ImageCtx *ictx, uint64_t offset_, uint64_t total_) { | |
239 | Mutex::Locker l(mutex); | |
240 | while (!received) { | |
241 | int r = cond.WaitInterval(mutex, utime_t(10, 0)); | |
242 | if (r != 0) { | |
243 | break; | |
244 | } | |
245 | } | |
246 | return (received && offset == offset_ && total == total_); | |
247 | } | |
248 | }; | |
249 | ||
250 | struct FlattenTask { | |
251 | librbd::ImageCtx *ictx; | |
252 | ProgressContext *progress_context; | |
253 | int result; | |
254 | ||
255 | FlattenTask(librbd::ImageCtx *ictx_, ProgressContext *ctx) | |
256 | : ictx(ictx_), progress_context(ctx), result(0) {} | |
257 | ||
258 | void operator()() { | |
259 | RWLock::RLocker l(ictx->owner_lock); | |
260 | C_SaferCond ctx; | |
261 | ictx->image_watcher->notify_flatten(0, *progress_context, &ctx); | |
262 | result = ctx.wait(); | |
263 | } | |
264 | }; | |
265 | ||
266 | struct ResizeTask { | |
267 | librbd::ImageCtx *ictx; | |
268 | ProgressContext *progress_context; | |
269 | int result; | |
270 | ||
271 | ResizeTask(librbd::ImageCtx *ictx_, ProgressContext *ctx) | |
272 | : ictx(ictx_), progress_context(ctx), result(0) {} | |
273 | ||
274 | void operator()() { | |
275 | RWLock::RLocker l(ictx->owner_lock); | |
276 | C_SaferCond ctx; | |
277 | ictx->image_watcher->notify_resize(0, 0, true, *progress_context, &ctx); | |
278 | result = ctx.wait(); | |
279 | } | |
280 | }; | |
281 | ||
282 | struct RebuildObjectMapTask { | |
283 | librbd::ImageCtx *ictx; | |
284 | ProgressContext *progress_context; | |
285 | int result; | |
286 | ||
287 | RebuildObjectMapTask(librbd::ImageCtx *ictx_, ProgressContext *ctx) | |
288 | : ictx(ictx_), progress_context(ctx), result(0) {} | |
289 | ||
290 | void operator()() { | |
291 | RWLock::RLocker l(ictx->owner_lock); | |
292 | C_SaferCond ctx; | |
293 | ictx->image_watcher->notify_rebuild_object_map(0, *progress_context, &ctx); | |
294 | result = ctx.wait(); | |
295 | } | |
296 | }; | |
297 | ||
298 | TEST_F(TestImageWatcher, NotifyHeaderUpdate) { | |
299 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
300 | ||
301 | librbd::ImageCtx *ictx; | |
302 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
303 | ||
304 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
305 | ||
306 | m_notify_acks = {{NOTIFY_OP_HEADER_UPDATE, {}}}; | |
307 | ictx->notify_update(); | |
308 | ||
309 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
310 | ||
311 | NotifyOps expected_notify_ops; | |
312 | expected_notify_ops += NOTIFY_OP_HEADER_UPDATE; | |
313 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
314 | } | |
315 | ||
316 | TEST_F(TestImageWatcher, NotifyFlatten) { | |
317 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
318 | ||
319 | librbd::ImageCtx *ictx; | |
320 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
321 | ||
322 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
323 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
324 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
325 | ||
326 | m_notify_acks = {{NOTIFY_OP_FLATTEN, create_response_message(0)}}; | |
327 | ||
328 | ProgressContext progress_context; | |
329 | FlattenTask flatten_task(ictx, &progress_context); | |
330 | boost::thread thread(boost::ref(flatten_task)); | |
331 | ||
332 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
333 | ||
334 | NotifyOps expected_notify_ops; | |
335 | expected_notify_ops += NOTIFY_OP_FLATTEN; | |
336 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
337 | ||
338 | AsyncRequestId async_request_id; | |
339 | ASSERT_TRUE(extract_async_request_id(NOTIFY_OP_FLATTEN, &async_request_id)); | |
340 | ||
341 | ASSERT_EQ(0, notify_async_progress(ictx, async_request_id, 10, 20)); | |
342 | ASSERT_TRUE(progress_context.wait(ictx, 10, 20)); | |
343 | ||
344 | ASSERT_EQ(0, notify_async_complete(ictx, async_request_id, 0)); | |
345 | ||
346 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
347 | ASSERT_EQ(0, flatten_task.result); | |
348 | } | |
349 | ||
350 | TEST_F(TestImageWatcher, NotifyResize) { | |
351 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
352 | ||
353 | librbd::ImageCtx *ictx; | |
354 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
355 | ||
356 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
357 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
358 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
359 | ||
360 | m_notify_acks = {{NOTIFY_OP_RESIZE, create_response_message(0)}}; | |
361 | ||
362 | ProgressContext progress_context; | |
363 | ResizeTask resize_task(ictx, &progress_context); | |
364 | boost::thread thread(boost::ref(resize_task)); | |
365 | ||
366 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
367 | ||
368 | NotifyOps expected_notify_ops; | |
369 | expected_notify_ops += NOTIFY_OP_RESIZE; | |
370 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
371 | ||
372 | AsyncRequestId async_request_id; | |
373 | ASSERT_TRUE(extract_async_request_id(NOTIFY_OP_RESIZE, &async_request_id)); | |
374 | ||
375 | ASSERT_EQ(0, notify_async_progress(ictx, async_request_id, 10, 20)); | |
376 | ASSERT_TRUE(progress_context.wait(ictx, 10, 20)); | |
377 | ||
378 | ASSERT_EQ(0, notify_async_complete(ictx, async_request_id, 0)); | |
379 | ||
380 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
381 | ASSERT_EQ(0, resize_task.result); | |
382 | } | |
383 | ||
384 | TEST_F(TestImageWatcher, NotifyRebuildObjectMap) { | |
385 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
386 | ||
387 | librbd::ImageCtx *ictx; | |
388 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
389 | ||
390 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
391 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
392 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
393 | ||
394 | m_notify_acks = {{NOTIFY_OP_REBUILD_OBJECT_MAP, create_response_message(0)}}; | |
395 | ||
396 | ProgressContext progress_context; | |
397 | RebuildObjectMapTask rebuild_task(ictx, &progress_context); | |
398 | boost::thread thread(boost::ref(rebuild_task)); | |
399 | ||
400 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
401 | ||
402 | NotifyOps expected_notify_ops; | |
403 | expected_notify_ops += NOTIFY_OP_REBUILD_OBJECT_MAP; | |
404 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
405 | ||
406 | AsyncRequestId async_request_id; | |
407 | ASSERT_TRUE(extract_async_request_id(NOTIFY_OP_REBUILD_OBJECT_MAP, | |
408 | &async_request_id)); | |
409 | ||
410 | ASSERT_EQ(0, notify_async_progress(ictx, async_request_id, 10, 20)); | |
411 | ASSERT_TRUE(progress_context.wait(ictx, 10, 20)); | |
412 | ||
413 | ASSERT_EQ(0, notify_async_complete(ictx, async_request_id, 0)); | |
414 | ||
415 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
416 | ASSERT_EQ(0, rebuild_task.result); | |
417 | } | |
418 | ||
419 | TEST_F(TestImageWatcher, NotifySnapCreate) { | |
420 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
421 | ||
422 | librbd::ImageCtx *ictx; | |
423 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
424 | ||
425 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
426 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
427 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
428 | ||
429 | m_notify_acks = {{NOTIFY_OP_SNAP_CREATE, create_response_message(0)}}; | |
430 | ||
431 | RWLock::RLocker l(ictx->owner_lock); | |
432 | C_SaferCond notify_ctx; | |
433 | ictx->image_watcher->notify_snap_create(cls::rbd::UserSnapshotNamespace(), | |
434 | "snap", ¬ify_ctx); | |
435 | ASSERT_EQ(0, notify_ctx.wait()); | |
436 | ||
437 | NotifyOps expected_notify_ops; | |
438 | expected_notify_ops += NOTIFY_OP_SNAP_CREATE; | |
439 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
440 | } | |
441 | ||
442 | TEST_F(TestImageWatcher, NotifySnapCreateError) { | |
443 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
444 | ||
445 | librbd::ImageCtx *ictx; | |
446 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
447 | ||
448 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
449 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
450 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
451 | ||
452 | m_notify_acks = {{NOTIFY_OP_SNAP_CREATE, create_response_message(-EEXIST)}}; | |
453 | ||
454 | RWLock::RLocker l(ictx->owner_lock); | |
455 | C_SaferCond notify_ctx; | |
456 | ictx->image_watcher->notify_snap_create(cls::rbd::UserSnapshotNamespace(), | |
457 | "snap", ¬ify_ctx); | |
458 | ASSERT_EQ(-EEXIST, notify_ctx.wait()); | |
459 | ||
460 | NotifyOps expected_notify_ops; | |
461 | expected_notify_ops += NOTIFY_OP_SNAP_CREATE; | |
462 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
463 | } | |
464 | ||
465 | TEST_F(TestImageWatcher, NotifySnapRename) { | |
466 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
467 | ||
468 | librbd::ImageCtx *ictx; | |
469 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
470 | ||
471 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
472 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
473 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
474 | ||
475 | m_notify_acks = {{NOTIFY_OP_SNAP_RENAME, create_response_message(0)}}; | |
476 | ||
477 | RWLock::RLocker l(ictx->owner_lock); | |
478 | C_SaferCond notify_ctx; | |
479 | ictx->image_watcher->notify_snap_rename(1, "snap-rename", ¬ify_ctx); | |
480 | ASSERT_EQ(0, notify_ctx.wait()); | |
481 | ||
482 | NotifyOps expected_notify_ops; | |
483 | expected_notify_ops += NOTIFY_OP_SNAP_RENAME; | |
484 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
485 | } | |
486 | ||
487 | TEST_F(TestImageWatcher, NotifySnapRenameError) { | |
488 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
489 | ||
490 | librbd::ImageCtx *ictx; | |
491 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
492 | ||
493 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
494 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
495 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
496 | ||
497 | m_notify_acks = {{NOTIFY_OP_SNAP_RENAME, create_response_message(-EEXIST)}}; | |
498 | ||
499 | RWLock::RLocker l(ictx->owner_lock); | |
500 | C_SaferCond notify_ctx; | |
501 | ictx->image_watcher->notify_snap_rename(1, "snap-rename", ¬ify_ctx); | |
502 | ASSERT_EQ(-EEXIST, notify_ctx.wait()); | |
503 | ||
504 | NotifyOps expected_notify_ops; | |
505 | expected_notify_ops += NOTIFY_OP_SNAP_RENAME; | |
506 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
507 | } | |
508 | ||
509 | TEST_F(TestImageWatcher, NotifySnapRemove) { | |
510 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
511 | ||
512 | librbd::ImageCtx *ictx; | |
513 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
514 | ||
515 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
516 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
517 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
518 | ||
519 | m_notify_acks = {{NOTIFY_OP_SNAP_REMOVE, create_response_message(0)}}; | |
520 | ||
521 | RWLock::RLocker l(ictx->owner_lock); | |
522 | C_SaferCond notify_ctx; | |
523 | ictx->image_watcher->notify_snap_remove(cls::rbd::UserSnapshotNamespace(), | |
524 | "snap", | |
525 | ¬ify_ctx); | |
526 | ASSERT_EQ(0, notify_ctx.wait()); | |
527 | ||
528 | NotifyOps expected_notify_ops; | |
529 | expected_notify_ops += NOTIFY_OP_SNAP_REMOVE; | |
530 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
531 | } | |
532 | ||
533 | TEST_F(TestImageWatcher, NotifySnapProtect) { | |
534 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
535 | ||
536 | librbd::ImageCtx *ictx; | |
537 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
538 | ||
539 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
540 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
541 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
542 | ||
543 | m_notify_acks = {{NOTIFY_OP_SNAP_PROTECT, create_response_message(0)}}; | |
544 | ||
545 | RWLock::RLocker l(ictx->owner_lock); | |
546 | C_SaferCond notify_ctx; | |
547 | ictx->image_watcher->notify_snap_protect(cls::rbd::UserSnapshotNamespace(), | |
548 | "snap", | |
549 | ¬ify_ctx); | |
550 | ASSERT_EQ(0, notify_ctx.wait()); | |
551 | ||
552 | NotifyOps expected_notify_ops; | |
553 | expected_notify_ops += NOTIFY_OP_SNAP_PROTECT; | |
554 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
555 | } | |
556 | ||
557 | TEST_F(TestImageWatcher, NotifySnapUnprotect) { | |
558 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
559 | ||
560 | librbd::ImageCtx *ictx; | |
561 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
562 | ||
563 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
564 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
565 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
566 | ||
567 | m_notify_acks = {{NOTIFY_OP_SNAP_UNPROTECT, create_response_message(0)}}; | |
568 | ||
569 | RWLock::RLocker l(ictx->owner_lock); | |
570 | C_SaferCond notify_ctx; | |
571 | ictx->image_watcher->notify_snap_unprotect(cls::rbd::UserSnapshotNamespace(), | |
572 | "snap", | |
573 | ¬ify_ctx); | |
574 | ASSERT_EQ(0, notify_ctx.wait()); | |
575 | ||
576 | NotifyOps expected_notify_ops; | |
577 | expected_notify_ops += NOTIFY_OP_SNAP_UNPROTECT; | |
578 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
579 | } | |
580 | ||
581 | TEST_F(TestImageWatcher, NotifyRename) { | |
582 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
583 | ||
584 | librbd::ImageCtx *ictx; | |
585 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
586 | ||
587 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
588 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
589 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
590 | ||
591 | m_notify_acks = {{NOTIFY_OP_RENAME, create_response_message(0)}}; | |
592 | ||
593 | RWLock::RLocker l(ictx->owner_lock); | |
594 | C_SaferCond notify_ctx; | |
595 | ictx->image_watcher->notify_rename("new_name", ¬ify_ctx); | |
596 | ASSERT_EQ(0, notify_ctx.wait()); | |
597 | ||
598 | NotifyOps expected_notify_ops; | |
599 | expected_notify_ops += NOTIFY_OP_RENAME; | |
600 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
601 | } | |
602 | ||
603 | TEST_F(TestImageWatcher, NotifyAsyncTimedOut) { | |
604 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
605 | ||
606 | librbd::ImageCtx *ictx; | |
607 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
608 | ||
609 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
610 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
611 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
612 | ||
613 | m_notify_acks = {{NOTIFY_OP_FLATTEN, {}}}; | |
614 | ||
615 | ProgressContext progress_context; | |
616 | FlattenTask flatten_task(ictx, &progress_context); | |
617 | boost::thread thread(boost::ref(flatten_task)); | |
618 | ||
619 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
620 | ASSERT_EQ(-ETIMEDOUT, flatten_task.result); | |
621 | } | |
622 | ||
623 | TEST_F(TestImageWatcher, NotifyAsyncError) { | |
624 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
625 | ||
626 | librbd::ImageCtx *ictx; | |
627 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
628 | ||
629 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
630 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
631 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
632 | ||
633 | m_notify_acks = {{NOTIFY_OP_FLATTEN, create_response_message(-EIO)}}; | |
634 | ||
635 | ProgressContext progress_context; | |
636 | FlattenTask flatten_task(ictx, &progress_context); | |
637 | boost::thread thread(boost::ref(flatten_task)); | |
638 | ||
639 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
640 | ASSERT_EQ(-EIO, flatten_task.result); | |
641 | } | |
642 | ||
643 | TEST_F(TestImageWatcher, NotifyAsyncCompleteError) { | |
644 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
645 | ||
646 | librbd::ImageCtx *ictx; | |
647 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
648 | ||
649 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
650 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
651 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
652 | ||
653 | m_notify_acks = {{NOTIFY_OP_FLATTEN, create_response_message(0)}}; | |
654 | ||
655 | ProgressContext progress_context; | |
656 | FlattenTask flatten_task(ictx, &progress_context); | |
657 | boost::thread thread(boost::ref(flatten_task)); | |
658 | ||
659 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
660 | ||
661 | NotifyOps expected_notify_ops; | |
662 | expected_notify_ops += NOTIFY_OP_FLATTEN; | |
663 | ASSERT_EQ(expected_notify_ops, m_notifies); | |
664 | ||
665 | AsyncRequestId async_request_id; | |
666 | ASSERT_TRUE(extract_async_request_id(NOTIFY_OP_FLATTEN, &async_request_id)); | |
667 | ||
668 | ASSERT_EQ(0, notify_async_complete(ictx, async_request_id, -ESHUTDOWN)); | |
669 | ||
670 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
671 | ASSERT_EQ(-ESHUTDOWN, flatten_task.result); | |
672 | } | |
673 | ||
674 | TEST_F(TestImageWatcher, NotifyAsyncRequestTimedOut) { | |
675 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
676 | ||
677 | librbd::ImageCtx *ictx; | |
678 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
679 | ||
680 | ictx->request_timed_out_seconds = 0; | |
681 | ||
682 | ASSERT_EQ(0, register_image_watch(*ictx)); | |
683 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, | |
684 | "auto " + stringify(m_watch_ctx->get_handle()))); | |
685 | ||
686 | m_notify_acks = {{NOTIFY_OP_FLATTEN, create_response_message(0)}}; | |
687 | ||
688 | ProgressContext progress_context; | |
689 | FlattenTask flatten_task(ictx, &progress_context); | |
690 | boost::thread thread(boost::ref(flatten_task)); | |
691 | ||
692 | ASSERT_TRUE(wait_for_notifies(*ictx)); | |
693 | ||
694 | ASSERT_TRUE(thread.timed_join(boost::posix_time::seconds(10))); | |
695 | ASSERT_EQ(-ETIMEDOUT, flatten_task.result); | |
696 | } | |
697 |