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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 "cls/rbd/cls_rbd_types.h" | |
9 | #include "librbd/internal.h" | |
10 | #include "librbd/ObjectMap.h" | |
11 | #include "librbd/object_map/SnapshotCreateRequest.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 TestMockObjectMapSnapshotCreateRequest : public TestMockFixture { | |
24 | public: | |
25 | void inject_snap_info(librbd::ImageCtx *ictx, uint64_t snap_id) { | |
9f95a23c | 26 | std::unique_lock image_locker{ictx->image_lock}; |
7c673cae FG |
27 | ictx->add_snap(cls::rbd::UserSnapshotNamespace(), "snap name", snap_id, |
28 | ictx->size, ictx->parent_md, | |
29 | RBD_PROTECTION_STATUS_UNPROTECTED, 0, utime_t()); | |
30 | } | |
31 | ||
32 | void expect_read_map(librbd::ImageCtx *ictx, int r) { | |
33 | if (r < 0) { | |
34 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
35 | read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP), | |
f67539c2 | 36 | 0, 0, _, _, _)).WillOnce(Return(r)); |
7c673cae FG |
37 | } else { |
38 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
39 | read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP), | |
f67539c2 | 40 | 0, 0, _, _, _)).WillOnce(DoDefault()); |
7c673cae FG |
41 | } |
42 | } | |
43 | ||
44 | void expect_write_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { | |
45 | if (r < 0) { | |
46 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
47 | write_full( | |
48 | ObjectMap<>::object_map_name(ictx->id, snap_id), _, _)) | |
49 | .WillOnce(Return(r)); | |
50 | } else { | |
51 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
52 | write_full( | |
53 | ObjectMap<>::object_map_name(ictx->id, snap_id), _, _)) | |
54 | .WillOnce(DoDefault()); | |
55 | } | |
56 | } | |
57 | ||
58 | void expect_add_snapshot(librbd::ImageCtx *ictx, int r) { | |
59 | std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP)); | |
60 | if (r < 0) { | |
61 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
62 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, |
63 | _)) | |
7c673cae FG |
64 | .WillOnce(Return(r)); |
65 | } else { | |
66 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
67 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, |
68 | _)) | |
7c673cae FG |
69 | .WillOnce(DoDefault()); |
70 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
71 | exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_add"), _, _, |
72 | _, _)) | |
7c673cae FG |
73 | .WillOnce(DoDefault()); |
74 | } | |
75 | } | |
76 | ||
77 | void expect_invalidate(librbd::ImageCtx *ictx) { | |
78 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
79 | exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, |
80 | _, _, _)) | |
7c673cae FG |
81 | .WillOnce(DoDefault()); |
82 | } | |
83 | }; | |
84 | ||
85 | TEST_F(TestMockObjectMapSnapshotCreateRequest, Success) { | |
86 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
87 | ||
88 | librbd::ImageCtx *ictx; | |
89 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
90 | ASSERT_EQ(0, acquire_exclusive_lock(*ictx)); | |
91 | ||
9f95a23c | 92 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
93 | ceph::BitVector<2> object_map; |
94 | ||
95 | uint64_t snap_id = 1; | |
96 | inject_snap_info(ictx, snap_id); | |
97 | expect_read_map(ictx, 0); | |
98 | expect_write_map(ictx, snap_id, 0); | |
99 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
100 | expect_add_snapshot(ictx, 0); | |
101 | } | |
102 | ||
103 | C_SaferCond cond_ctx; | |
104 | AsyncRequest<> *request = new SnapshotCreateRequest( | |
9f95a23c | 105 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 106 | { |
9f95a23c | 107 | std::shared_lock image_locker{ictx->image_lock}; |
7c673cae FG |
108 | request->send(); |
109 | } | |
110 | ASSERT_EQ(0, cond_ctx.wait()); | |
111 | ||
112 | expect_unlock_exclusive_lock(*ictx); | |
113 | } | |
114 | ||
115 | TEST_F(TestMockObjectMapSnapshotCreateRequest, ReadMapError) { | |
116 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
117 | ||
118 | librbd::ImageCtx *ictx; | |
119 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
120 | ASSERT_EQ(0, acquire_exclusive_lock(*ictx)); | |
121 | ||
9f95a23c | 122 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
123 | ceph::BitVector<2> object_map; |
124 | ||
125 | uint64_t snap_id = 1; | |
126 | inject_snap_info(ictx, snap_id); | |
127 | expect_read_map(ictx, -ENOENT); | |
128 | expect_invalidate(ictx); | |
129 | ||
130 | C_SaferCond cond_ctx; | |
131 | AsyncRequest<> *request = new SnapshotCreateRequest( | |
9f95a23c | 132 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 133 | { |
9f95a23c | 134 | std::shared_lock image_locker{ictx->image_lock}; |
7c673cae FG |
135 | request->send(); |
136 | } | |
f67539c2 | 137 | ASSERT_EQ(-ENOENT, cond_ctx.wait()); |
7c673cae FG |
138 | |
139 | expect_unlock_exclusive_lock(*ictx); | |
140 | } | |
141 | ||
142 | TEST_F(TestMockObjectMapSnapshotCreateRequest, WriteMapError) { | |
143 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
144 | ||
145 | librbd::ImageCtx *ictx; | |
146 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
147 | ASSERT_EQ(0, acquire_exclusive_lock(*ictx)); | |
148 | ||
9f95a23c | 149 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
150 | ceph::BitVector<2> object_map; |
151 | ||
152 | uint64_t snap_id = 1; | |
153 | inject_snap_info(ictx, snap_id); | |
154 | expect_read_map(ictx, 0); | |
155 | expect_write_map(ictx, snap_id, -EINVAL); | |
156 | expect_invalidate(ictx); | |
157 | ||
158 | C_SaferCond cond_ctx; | |
159 | AsyncRequest<> *request = new SnapshotCreateRequest( | |
9f95a23c | 160 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 161 | { |
9f95a23c | 162 | std::shared_lock image_locker{ictx->image_lock}; |
7c673cae FG |
163 | request->send(); |
164 | } | |
f67539c2 | 165 | ASSERT_EQ(-ENOENT, cond_ctx.wait()); |
7c673cae FG |
166 | |
167 | expect_unlock_exclusive_lock(*ictx); | |
168 | } | |
169 | ||
170 | TEST_F(TestMockObjectMapSnapshotCreateRequest, AddSnapshotError) { | |
171 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
172 | ||
173 | librbd::ImageCtx *ictx; | |
174 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
175 | ASSERT_EQ(0, acquire_exclusive_lock(*ictx)); | |
176 | ||
9f95a23c | 177 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
178 | ceph::BitVector<2> object_map; |
179 | ||
180 | uint64_t snap_id = 1; | |
181 | inject_snap_info(ictx, snap_id); | |
182 | expect_read_map(ictx, 0); | |
183 | expect_write_map(ictx, snap_id, 0); | |
184 | expect_add_snapshot(ictx, -EINVAL); | |
185 | expect_invalidate(ictx); | |
186 | ||
187 | C_SaferCond cond_ctx; | |
188 | AsyncRequest<> *request = new SnapshotCreateRequest( | |
9f95a23c | 189 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 190 | { |
9f95a23c | 191 | std::shared_lock image_locker{ictx->image_lock}; |
7c673cae FG |
192 | request->send(); |
193 | } | |
f67539c2 | 194 | ASSERT_EQ(-ENOENT, cond_ctx.wait()); |
7c673cae FG |
195 | |
196 | expect_unlock_exclusive_lock(*ictx); | |
197 | } | |
198 | ||
199 | TEST_F(TestMockObjectMapSnapshotCreateRequest, FlagCleanObjects) { | |
200 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
201 | ||
202 | librbd::ImageCtx *ictx; | |
203 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
204 | ASSERT_EQ(0, acquire_exclusive_lock(*ictx)); | |
205 | ||
9f95a23c | 206 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
207 | ceph::BitVector<2> object_map; |
208 | object_map.resize(1024); | |
209 | for (uint64_t i = 0; i < object_map.size(); ++i) { | |
210 | object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT; | |
211 | } | |
212 | ||
213 | uint64_t snap_id = 1; | |
214 | inject_snap_info(ictx, snap_id); | |
215 | ||
216 | C_SaferCond cond_ctx; | |
217 | AsyncRequest<> *request = new SnapshotCreateRequest( | |
9f95a23c | 218 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 219 | { |
9f95a23c | 220 | std::shared_lock image_locker{ictx->image_lock}; |
7c673cae FG |
221 | request->send(); |
222 | } | |
223 | ASSERT_EQ(0, cond_ctx.wait()); | |
224 | ||
225 | for (uint64_t i = 0; i < object_map.size(); ++i) { | |
226 | ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT, | |
227 | object_map[i]); | |
228 | } | |
229 | } | |
230 | ||
231 | } // namespace object_map | |
232 | } // namespace librbd |