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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 "journal/FutureImpl.h" | |
5 | #include "common/Cond.h" | |
6 | #include "common/Mutex.h" | |
7 | #include "gtest/gtest.h" | |
8 | #include "test/journal/RadosTestFixture.h" | |
9 | ||
10 | class TestFutureImpl : public RadosTestFixture { | |
11 | public: | |
12 | struct FlushHandler : public journal::FutureImpl::FlushHandler { | |
13 | uint64_t refs; | |
14 | uint64_t flushes; | |
15 | FlushHandler() : refs(0), flushes(0) {} | |
16 | void get() override { | |
17 | ++refs; | |
18 | } | |
19 | void put() override { | |
20 | assert(refs > 0); | |
21 | --refs; | |
22 | } | |
23 | void flush(const journal::FutureImplPtr &future) override { | |
24 | ++flushes; | |
25 | } | |
26 | }; | |
27 | ||
28 | journal::FutureImplPtr create_future(uint64_t tag_tid, uint64_t entry_tid, | |
29 | uint64_t commit_tid, | |
30 | const journal::FutureImplPtr &prev = | |
31 | journal::FutureImplPtr()) { | |
32 | journal::FutureImplPtr future(new journal::FutureImpl(tag_tid, | |
33 | entry_tid, | |
34 | commit_tid)); | |
35 | future->init(prev); | |
36 | return future; | |
37 | } | |
38 | ||
39 | void flush(const journal::FutureImplPtr &future) { | |
40 | } | |
41 | ||
42 | FlushHandler m_flush_handler; | |
43 | }; | |
44 | ||
45 | TEST_F(TestFutureImpl, Getters) { | |
46 | std::string oid = get_temp_oid(); | |
47 | ASSERT_EQ(0, create(oid)); | |
48 | ASSERT_EQ(0, client_register(oid)); | |
49 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
50 | ASSERT_EQ(0, init_metadata(metadata)); | |
51 | ||
52 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
53 | ASSERT_EQ(234U, future->get_tag_tid()); | |
54 | ASSERT_EQ(123U, future->get_entry_tid()); | |
55 | ASSERT_EQ(456U, future->get_commit_tid()); | |
56 | } | |
57 | ||
58 | TEST_F(TestFutureImpl, Attach) { | |
59 | std::string oid = get_temp_oid(); | |
60 | ASSERT_EQ(0, create(oid)); | |
61 | ASSERT_EQ(0, client_register(oid)); | |
62 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
63 | ASSERT_EQ(0, init_metadata(metadata)); | |
64 | ||
65 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
66 | ASSERT_FALSE(future->attach(&m_flush_handler)); | |
67 | ASSERT_EQ(1U, m_flush_handler.refs); | |
68 | } | |
69 | ||
70 | TEST_F(TestFutureImpl, AttachWithPendingFlush) { | |
71 | std::string oid = get_temp_oid(); | |
72 | ASSERT_EQ(0, create(oid)); | |
73 | ASSERT_EQ(0, client_register(oid)); | |
74 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
75 | ASSERT_EQ(0, init_metadata(metadata)); | |
76 | ||
77 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
78 | future->flush(NULL); | |
79 | ||
80 | ASSERT_TRUE(future->attach(&m_flush_handler)); | |
81 | ASSERT_EQ(1U, m_flush_handler.refs); | |
82 | } | |
83 | ||
84 | TEST_F(TestFutureImpl, Detach) { | |
85 | std::string oid = get_temp_oid(); | |
86 | ASSERT_EQ(0, create(oid)); | |
87 | ASSERT_EQ(0, client_register(oid)); | |
88 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
89 | ASSERT_EQ(0, init_metadata(metadata)); | |
90 | ||
91 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
92 | ASSERT_FALSE(future->attach(&m_flush_handler)); | |
93 | future->detach(); | |
94 | ASSERT_EQ(0U, m_flush_handler.refs); | |
95 | } | |
96 | ||
97 | TEST_F(TestFutureImpl, DetachImplicit) { | |
98 | std::string oid = get_temp_oid(); | |
99 | ASSERT_EQ(0, create(oid)); | |
100 | ASSERT_EQ(0, client_register(oid)); | |
101 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
102 | ASSERT_EQ(0, init_metadata(metadata)); | |
103 | ||
104 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
105 | ASSERT_FALSE(future->attach(&m_flush_handler)); | |
106 | future.reset(); | |
107 | ASSERT_EQ(0U, m_flush_handler.refs); | |
108 | } | |
109 | ||
110 | TEST_F(TestFutureImpl, Flush) { | |
111 | std::string oid = get_temp_oid(); | |
112 | ASSERT_EQ(0, create(oid)); | |
113 | ASSERT_EQ(0, client_register(oid)); | |
114 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
115 | ASSERT_EQ(0, init_metadata(metadata)); | |
116 | ||
117 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
118 | ASSERT_FALSE(future->attach(&m_flush_handler)); | |
119 | ||
120 | C_SaferCond cond; | |
121 | future->flush(&cond); | |
122 | ||
123 | ASSERT_EQ(1U, m_flush_handler.flushes); | |
124 | future->safe(-EIO); | |
125 | ASSERT_EQ(-EIO, cond.wait()); | |
126 | } | |
127 | ||
128 | TEST_F(TestFutureImpl, FlushWithoutContext) { | |
129 | std::string oid = get_temp_oid(); | |
130 | ASSERT_EQ(0, create(oid)); | |
131 | ASSERT_EQ(0, client_register(oid)); | |
132 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
133 | ASSERT_EQ(0, init_metadata(metadata)); | |
134 | ||
135 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
136 | ASSERT_FALSE(future->attach(&m_flush_handler)); | |
137 | ||
138 | future->flush(NULL); | |
139 | ASSERT_EQ(1U, m_flush_handler.flushes); | |
140 | future->safe(-EIO); | |
141 | ASSERT_TRUE(future->is_complete()); | |
142 | ASSERT_EQ(-EIO, future->get_return_value()); | |
143 | } | |
144 | ||
145 | TEST_F(TestFutureImpl, FlushChain) { | |
146 | std::string oid = get_temp_oid(); | |
147 | ASSERT_EQ(0, create(oid)); | |
148 | ASSERT_EQ(0, client_register(oid)); | |
149 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
150 | ASSERT_EQ(0, init_metadata(metadata)); | |
151 | ||
152 | journal::FutureImplPtr future1 = create_future(234, 123, 456); | |
153 | journal::FutureImplPtr future2 = create_future(234, 124, 457, | |
154 | future1); | |
155 | journal::FutureImplPtr future3 = create_future(235, 1, 458, | |
156 | future2); | |
157 | ||
158 | FlushHandler flush_handler; | |
159 | ASSERT_FALSE(future1->attach(&m_flush_handler)); | |
160 | ASSERT_FALSE(future2->attach(&flush_handler)); | |
161 | ASSERT_FALSE(future3->attach(&m_flush_handler)); | |
162 | ||
163 | C_SaferCond cond; | |
164 | future3->flush(&cond); | |
165 | ||
166 | ASSERT_EQ(1U, m_flush_handler.flushes); | |
167 | ASSERT_EQ(1U, flush_handler.flushes); | |
168 | ||
169 | future3->safe(0); | |
170 | ASSERT_FALSE(future3->is_complete()); | |
171 | ||
172 | future1->safe(0); | |
173 | ASSERT_FALSE(future3->is_complete()); | |
174 | ||
175 | future2->safe(-EIO); | |
176 | ASSERT_TRUE(future3->is_complete()); | |
177 | ASSERT_EQ(-EIO, future3->get_return_value()); | |
178 | ASSERT_EQ(-EIO, cond.wait()); | |
179 | ASSERT_EQ(0, future1->get_return_value()); | |
180 | } | |
181 | ||
182 | TEST_F(TestFutureImpl, FlushInProgress) { | |
183 | std::string oid = get_temp_oid(); | |
184 | ASSERT_EQ(0, create(oid)); | |
185 | ASSERT_EQ(0, client_register(oid)); | |
186 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
187 | ASSERT_EQ(0, init_metadata(metadata)); | |
188 | ||
189 | journal::FutureImplPtr future1 = create_future(234, 123, 456); | |
190 | journal::FutureImplPtr future2 = create_future(234, 124, 457, | |
191 | future1); | |
192 | ASSERT_FALSE(future1->attach(&m_flush_handler)); | |
193 | ASSERT_FALSE(future2->attach(&m_flush_handler)); | |
194 | ||
195 | future1->set_flush_in_progress(); | |
196 | ASSERT_TRUE(future1->is_flush_in_progress()); | |
197 | ||
198 | future1->flush(NULL); | |
199 | ASSERT_EQ(0U, m_flush_handler.flushes); | |
200 | ||
201 | future1->safe(0); | |
202 | } | |
203 | ||
204 | TEST_F(TestFutureImpl, FlushAlreadyComplete) { | |
205 | std::string oid = get_temp_oid(); | |
206 | ASSERT_EQ(0, create(oid)); | |
207 | ASSERT_EQ(0, client_register(oid)); | |
208 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
209 | ASSERT_EQ(0, init_metadata(metadata)); | |
210 | ||
211 | journal::FutureImplPtr future = create_future(234, 123, 456); | |
212 | future->safe(-EIO); | |
213 | ||
214 | C_SaferCond cond; | |
215 | future->flush(&cond); | |
216 | ASSERT_EQ(-EIO, cond.wait()); | |
217 | } | |
218 | ||
219 | TEST_F(TestFutureImpl, Wait) { | |
220 | std::string oid = get_temp_oid(); | |
221 | ASSERT_EQ(0, create(oid)); | |
222 | ASSERT_EQ(0, client_register(oid)); | |
223 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
224 | ASSERT_EQ(0, init_metadata(metadata)); | |
225 | ||
226 | journal::FutureImplPtr future = create_future(234, 1, 456); | |
227 | ||
228 | C_SaferCond cond; | |
229 | future->wait(&cond); | |
230 | future->safe(-EEXIST); | |
231 | ASSERT_EQ(-EEXIST, cond.wait()); | |
232 | } | |
233 | ||
234 | TEST_F(TestFutureImpl, WaitAlreadyComplete) { | |
235 | std::string oid = get_temp_oid(); | |
236 | ASSERT_EQ(0, create(oid)); | |
237 | ASSERT_EQ(0, client_register(oid)); | |
238 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
239 | ASSERT_EQ(0, init_metadata(metadata)); | |
240 | ||
241 | journal::FutureImplPtr future = create_future(234, 1, 456); | |
242 | future->safe(-EEXIST); | |
243 | ||
244 | C_SaferCond cond; | |
245 | future->wait(&cond); | |
246 | ASSERT_EQ(-EEXIST, cond.wait()); | |
247 | } | |
248 | ||
249 | TEST_F(TestFutureImpl, SafePreservesError) { | |
250 | std::string oid = get_temp_oid(); | |
251 | ASSERT_EQ(0, create(oid)); | |
252 | ASSERT_EQ(0, client_register(oid)); | |
253 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
254 | ASSERT_EQ(0, init_metadata(metadata)); | |
255 | ||
256 | journal::FutureImplPtr future1 = create_future(234, 123, 456); | |
257 | journal::FutureImplPtr future2 = create_future(234, 124, 457, | |
258 | future1); | |
259 | ||
260 | future1->safe(-EIO); | |
261 | future2->safe(-EEXIST); | |
262 | ASSERT_TRUE(future2->is_complete()); | |
263 | ASSERT_EQ(-EIO, future2->get_return_value()); | |
264 | } | |
265 | ||
266 | TEST_F(TestFutureImpl, ConsistentPreservesError) { | |
267 | std::string oid = get_temp_oid(); | |
268 | ASSERT_EQ(0, create(oid)); | |
269 | ASSERT_EQ(0, client_register(oid)); | |
270 | journal::JournalMetadataPtr metadata = create_metadata(oid); | |
271 | ASSERT_EQ(0, init_metadata(metadata)); | |
272 | ||
273 | journal::FutureImplPtr future1 = create_future(234, 123, 456); | |
274 | journal::FutureImplPtr future2 = create_future(234, 124, 457, | |
275 | future1); | |
276 | ||
277 | future2->safe(-EEXIST); | |
278 | future1->safe(-EIO); | |
279 | ASSERT_TRUE(future2->is_complete()); | |
280 | ASSERT_EQ(-EEXIST, future2->get_return_value()); | |
281 | } |