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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 | ||
4 | #include "test/librbd/test_mock_fixture.h" | |
5 | #include "test/librbd/test_support.h" | |
6 | #include "test/librados_test_stub/MockTestMemIoCtxImpl.h" | |
7 | #include "common/bit_vector.hpp" | |
8 | #include "librbd/ImageState.h" | |
9 | #include "librbd/internal.h" | |
10 | #include "librbd/ObjectMap.h" | |
11 | #include "librbd/object_map/SnapshotRemoveRequest.h" | |
12 | #include "gmock/gmock.h" | |
13 | #include "gtest/gtest.h" | |
14 | ||
15 | namespace librbd { | |
16 | namespace object_map { | |
17 | ||
18 | using ::testing::_; | |
19 | using ::testing::DoDefault; | |
20 | using ::testing::Return; | |
21 | using ::testing::StrEq; | |
22 | ||
23 | class TestMockObjectMapSnapshotRemoveRequest : public TestMockFixture { | |
24 | public: | |
25 | void expect_load_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { | |
26 | std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); | |
27 | if (r < 0) { | |
28 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
29 | exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, _, _)) | |
30 | .WillOnce(Return(r)); | |
31 | } else { | |
32 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
33 | exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, _, _)) | |
34 | .WillOnce(DoDefault()); | |
35 | } | |
36 | } | |
37 | ||
38 | void expect_remove_snapshot(librbd::ImageCtx *ictx, int r) { | |
39 | std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP)); | |
40 | if (r < 0) { | |
41 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
42 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _)) | |
43 | .WillOnce(Return(r)); | |
44 | } else { | |
45 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
46 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _)) | |
47 | .WillOnce(DoDefault()); | |
48 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
49 | exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_remove"), _, _, _)) | |
50 | .WillOnce(DoDefault()); | |
51 | } | |
52 | } | |
53 | ||
54 | void expect_remove_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { | |
55 | std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); | |
56 | if (r < 0) { | |
57 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) | |
58 | .WillOnce(Return(r)); | |
59 | } else { | |
60 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) | |
61 | .WillOnce(DoDefault()); | |
62 | } | |
63 | } | |
64 | ||
65 | void expect_invalidate(librbd::ImageCtx *ictx) { | |
66 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
67 | exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, _, _)) | |
68 | .WillOnce(DoDefault()); | |
69 | } | |
70 | }; | |
71 | ||
72 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, Success) { | |
73 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
74 | ||
75 | librbd::ImageCtx *ictx; | |
76 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
77 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
78 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
79 | ||
80 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
81 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
82 | expect_load_map(ictx, snap_id, 0); | |
83 | expect_remove_snapshot(ictx, 0); | |
84 | } | |
85 | expect_remove_map(ictx, snap_id, 0); | |
86 | ||
87 | ceph::BitVector<2> object_map; | |
88 | C_SaferCond cond_ctx; | |
89 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
90 | *ictx, &object_map, snap_id, &cond_ctx); | |
91 | { | |
92 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
93 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
94 | request->send(); | |
95 | } | |
96 | ASSERT_EQ(0, cond_ctx.wait()); | |
97 | ||
98 | expect_unlock_exclusive_lock(*ictx); | |
99 | } | |
100 | ||
101 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) { | |
102 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
103 | ||
104 | librbd::ImageCtx *ictx; | |
105 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
106 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
107 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
108 | ||
109 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
110 | expect_load_map(ictx, snap_id, -ENOENT); | |
111 | ||
112 | ceph::BitVector<2> object_map; | |
113 | C_SaferCond cond_ctx; | |
114 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
115 | *ictx, &object_map, snap_id, &cond_ctx); | |
116 | { | |
117 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
118 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
119 | request->send(); | |
120 | } | |
121 | ASSERT_EQ(0, cond_ctx.wait()); | |
122 | ||
123 | expect_unlock_exclusive_lock(*ictx); | |
124 | } | |
125 | ||
126 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) { | |
127 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
128 | ||
129 | librbd::ImageCtx *ictx; | |
130 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
131 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
132 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
133 | ||
134 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
135 | expect_load_map(ictx, snap_id, -EINVAL); | |
136 | expect_invalidate(ictx); | |
137 | expect_remove_map(ictx, snap_id, 0); | |
138 | ||
139 | ceph::BitVector<2> object_map; | |
140 | C_SaferCond cond_ctx; | |
141 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
142 | *ictx, &object_map, snap_id, &cond_ctx); | |
143 | { | |
144 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
145 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
146 | request->send(); | |
147 | } | |
148 | ASSERT_EQ(0, cond_ctx.wait()); | |
149 | ||
150 | expect_unlock_exclusive_lock(*ictx); | |
151 | } | |
152 | ||
153 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) { | |
154 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
155 | ||
156 | librbd::ImageCtx *ictx; | |
157 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
158 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
159 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
160 | ||
161 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
162 | expect_load_map(ictx, snap_id, 0); | |
163 | expect_remove_snapshot(ictx, -ENOENT); | |
164 | expect_remove_map(ictx, snap_id, 0); | |
165 | ||
166 | ceph::BitVector<2> object_map; | |
167 | C_SaferCond cond_ctx; | |
168 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
169 | *ictx, &object_map, snap_id, &cond_ctx); | |
170 | { | |
171 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
172 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
173 | request->send(); | |
174 | } | |
175 | ASSERT_EQ(0, cond_ctx.wait()); | |
176 | ||
177 | expect_unlock_exclusive_lock(*ictx); | |
178 | } | |
179 | ||
180 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) { | |
181 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
182 | ||
183 | librbd::ImageCtx *ictx; | |
184 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
185 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
186 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
187 | ||
188 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
189 | expect_load_map(ictx, snap_id, 0); | |
190 | expect_remove_snapshot(ictx, -EINVAL); | |
191 | expect_invalidate(ictx); | |
192 | expect_remove_map(ictx, snap_id, 0); | |
193 | ||
194 | ceph::BitVector<2> object_map; | |
195 | C_SaferCond cond_ctx; | |
196 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
197 | *ictx, &object_map, snap_id, &cond_ctx); | |
198 | { | |
199 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
200 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
201 | request->send(); | |
202 | } | |
203 | ASSERT_EQ(0, cond_ctx.wait()); | |
204 | ||
205 | expect_unlock_exclusive_lock(*ictx); | |
206 | } | |
207 | ||
208 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) { | |
209 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
210 | ||
211 | librbd::ImageCtx *ictx; | |
212 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
213 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
214 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
215 | ||
216 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
217 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
218 | expect_load_map(ictx, snap_id, 0); | |
219 | expect_remove_snapshot(ictx, 0); | |
220 | } | |
221 | expect_remove_map(ictx, snap_id, -ENOENT); | |
222 | ||
223 | ceph::BitVector<2> object_map; | |
224 | C_SaferCond cond_ctx; | |
225 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
226 | *ictx, &object_map, snap_id, &cond_ctx); | |
227 | { | |
228 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
229 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
230 | request->send(); | |
231 | } | |
232 | ASSERT_EQ(0, cond_ctx.wait()); | |
233 | ||
234 | expect_unlock_exclusive_lock(*ictx); | |
235 | } | |
236 | ||
237 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) { | |
238 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
239 | ||
240 | librbd::ImageCtx *ictx; | |
241 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
242 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
243 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
244 | ||
245 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
246 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
247 | expect_load_map(ictx, snap_id, 0); | |
248 | expect_remove_snapshot(ictx, 0); | |
249 | } | |
250 | expect_remove_map(ictx, snap_id, -EINVAL); | |
251 | ||
252 | ceph::BitVector<2> object_map; | |
253 | C_SaferCond cond_ctx; | |
254 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
255 | *ictx, &object_map, snap_id, &cond_ctx); | |
256 | { | |
257 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
258 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
259 | request->send(); | |
260 | } | |
261 | ASSERT_EQ(-EINVAL, cond_ctx.wait()); | |
262 | ||
263 | expect_unlock_exclusive_lock(*ictx); | |
264 | } | |
265 | ||
266 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) { | |
267 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
268 | ||
269 | librbd::ImageCtx *ictx; | |
270 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
271 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
272 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
273 | ||
274 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
275 | ||
276 | ceph::BitVector<2> object_map; | |
277 | object_map.resize(1024); | |
278 | for (uint64_t i = 512; i < object_map.size(); ++i) { | |
279 | object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT; | |
280 | } | |
281 | ||
282 | C_SaferCond cond_ctx; | |
283 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
284 | *ictx, &object_map, snap_id, &cond_ctx); | |
285 | { | |
286 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
287 | RWLock::WLocker snap_locker(ictx->snap_lock); | |
288 | request->send(); | |
289 | } | |
290 | ASSERT_EQ(0, cond_ctx.wait()); | |
291 | ||
292 | for (uint64_t i = 512; i < object_map.size(); ++i) { | |
293 | ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT, | |
294 | object_map[i]); | |
295 | } | |
296 | } | |
297 | ||
298 | } // namespace object_map | |
299 | } // namespace librbd |