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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 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2018 Red Hat, Inc. | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | //#define BOOST_ASIO_ENABLE_HANDLER_TRACKING | |
16 | ||
1e59de90 TL |
17 | #include "rgw_dmclock_sync_scheduler.h" |
18 | #include "rgw_dmclock_async_scheduler.h" | |
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19 | |
20 | #include <optional> | |
522d829b | 21 | #include <spawn/spawn.hpp> |
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22 | #include <gtest/gtest.h> |
23 | #include "acconfig.h" | |
24 | #include "global/global_context.h" | |
25 | ||
26 | namespace rgw::dmclock { | |
27 | ||
28 | using boost::system::error_code; | |
29 | ||
30 | // return a lambda that can be used as a callback to capture its arguments | |
31 | auto capture(std::optional<error_code>& opt_ec, | |
32 | std::optional<PhaseType>& opt_phase) | |
33 | { | |
34 | return [&] (error_code ec, PhaseType phase) { | |
35 | opt_ec = ec; | |
36 | opt_phase = phase; | |
37 | }; | |
38 | } | |
39 | ||
40 | TEST(Queue, SyncRequest) | |
41 | { | |
42 | ClientCounters counters(g_ceph_context); | |
43 | auto client_info_f = [] (client_id client) -> ClientInfo* { | |
44 | static ClientInfo clients[] = { | |
45 | {1, 1, 1}, //admin: satisfy by reservation | |
46 | {0, 1, 1}, //auth: satisfy by priority | |
47 | }; | |
48 | return &clients[static_cast<size_t>(client)]; | |
49 | }; | |
50 | std::atomic <bool> ready = false; | |
51 | auto server_ready_f = [&ready]() -> bool { return ready.load();}; | |
52 | ||
53 | SyncScheduler queue(g_ceph_context, std::ref(counters), | |
54 | client_info_f, server_ready_f, | |
55 | std::ref(SyncScheduler::handle_request_cb) | |
56 | ); | |
57 | ||
58 | ||
59 | auto now = get_time(); | |
60 | ready = true; | |
61 | queue.add_request(client_id::admin, {}, now, 1); | |
62 | queue.add_request(client_id::auth, {}, now, 1); | |
63 | ||
64 | // We can't see the queue at length 1 as the queue len is decremented as the | |
65 | //request is processed | |
66 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
67 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_res)); | |
68 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
69 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
70 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
71 | ||
72 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
73 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
74 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
75 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
76 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
77 | } | |
78 | ||
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79 | TEST(Queue, RateLimit) |
80 | { | |
81 | boost::asio::io_context context; | |
82 | ClientCounters counters(g_ceph_context); | |
83 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
84 | [] (client_id client) -> ClientInfo* { | |
85 | static ClientInfo clients[] = { | |
86 | {1, 1, 1}, // admin | |
87 | {0, 1, 1}, // auth | |
88 | }; | |
89 | return &clients[static_cast<size_t>(client)]; | |
90 | }, AtLimit::Reject); | |
91 | ||
92 | std::optional<error_code> ec1, ec2, ec3, ec4; | |
93 | std::optional<PhaseType> p1, p2, p3, p4; | |
94 | ||
95 | auto now = get_time(); | |
96 | queue.async_request(client_id::admin, {}, now, 1, capture(ec1, p1)); | |
97 | queue.async_request(client_id::admin, {}, now, 1, capture(ec2, p2)); | |
98 | queue.async_request(client_id::auth, {}, now, 1, capture(ec3, p3)); | |
99 | queue.async_request(client_id::auth, {}, now, 1, capture(ec4, p4)); | |
100 | EXPECT_FALSE(ec1); | |
101 | EXPECT_FALSE(ec2); | |
102 | EXPECT_FALSE(ec3); | |
103 | EXPECT_FALSE(ec4); | |
104 | ||
105 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
106 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
107 | ||
f38dd50b | 108 | context.run_for(std::chrono::milliseconds(50)); |
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109 | EXPECT_TRUE(context.stopped()); |
110 | ||
111 | ASSERT_TRUE(ec1); | |
112 | EXPECT_EQ(boost::system::errc::success, *ec1); | |
113 | ASSERT_TRUE(p1); | |
114 | EXPECT_EQ(PhaseType::reservation, *p1); | |
115 | ||
116 | ASSERT_TRUE(ec2); | |
117 | EXPECT_EQ(boost::system::errc::resource_unavailable_try_again, *ec2); | |
118 | ||
119 | ASSERT_TRUE(ec3); | |
120 | EXPECT_EQ(boost::system::errc::success, *ec3); | |
121 | ASSERT_TRUE(p3); | |
122 | EXPECT_EQ(PhaseType::priority, *p3); | |
123 | ||
124 | ASSERT_TRUE(ec4); | |
125 | EXPECT_EQ(boost::system::errc::resource_unavailable_try_again, *ec4); | |
126 | ||
127 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
128 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_res)); | |
129 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
130 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
131 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
132 | ||
133 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
134 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
135 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
136 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
137 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
138 | } | |
139 | ||
140 | TEST(Queue, AsyncRequest) | |
141 | { | |
142 | boost::asio::io_context context; | |
143 | ClientCounters counters(g_ceph_context); | |
144 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
145 | [] (client_id client) -> ClientInfo* { | |
146 | static ClientInfo clients[] = { | |
147 | {1, 1, 1}, // admin: satisfy by reservation | |
148 | {0, 1, 1}, // auth: satisfy by priority | |
149 | }; | |
150 | return &clients[static_cast<size_t>(client)]; | |
151 | }, AtLimit::Reject | |
152 | ); | |
153 | ||
154 | std::optional<error_code> ec1, ec2; | |
155 | std::optional<PhaseType> p1, p2; | |
156 | ||
157 | auto now = get_time(); | |
158 | queue.async_request(client_id::admin, {}, now, 1, capture(ec1, p1)); | |
159 | queue.async_request(client_id::auth, {}, now, 1, capture(ec2, p2)); | |
160 | EXPECT_FALSE(ec1); | |
161 | EXPECT_FALSE(ec2); | |
162 | ||
163 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
164 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
165 | ||
f38dd50b | 166 | context.run_for(std::chrono::milliseconds(50)); |
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167 | EXPECT_TRUE(context.stopped()); |
168 | ||
169 | ASSERT_TRUE(ec1); | |
170 | EXPECT_EQ(boost::system::errc::success, *ec1); | |
171 | ASSERT_TRUE(p1); | |
172 | EXPECT_EQ(PhaseType::reservation, *p1); | |
173 | ||
174 | ASSERT_TRUE(ec2); | |
175 | EXPECT_EQ(boost::system::errc::success, *ec2); | |
176 | ASSERT_TRUE(p2); | |
177 | EXPECT_EQ(PhaseType::priority, *p2); | |
178 | ||
179 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
180 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_res)); | |
181 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
182 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
183 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
184 | ||
185 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
186 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
187 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
188 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
189 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
190 | } | |
191 | ||
192 | ||
193 | TEST(Queue, Cancel) | |
194 | { | |
195 | boost::asio::io_context context; | |
196 | ClientCounters counters(g_ceph_context); | |
197 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
198 | [] (client_id client) -> ClientInfo* { | |
199 | static ClientInfo info{0, 1, 1}; | |
200 | return &info; | |
201 | }); | |
202 | ||
203 | std::optional<error_code> ec1, ec2; | |
204 | std::optional<PhaseType> p1, p2; | |
205 | ||
206 | auto now = get_time(); | |
207 | queue.async_request(client_id::admin, {}, now, 1, capture(ec1, p1)); | |
208 | queue.async_request(client_id::auth, {}, now, 1, capture(ec2, p2)); | |
209 | EXPECT_FALSE(ec1); | |
210 | EXPECT_FALSE(ec2); | |
211 | ||
212 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
213 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
214 | ||
215 | queue.cancel(); | |
216 | ||
217 | EXPECT_FALSE(ec1); | |
218 | EXPECT_FALSE(ec2); | |
219 | ||
f38dd50b | 220 | context.run_for(std::chrono::milliseconds(50)); |
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221 | EXPECT_TRUE(context.stopped()); |
222 | ||
223 | ASSERT_TRUE(ec1); | |
224 | EXPECT_EQ(boost::asio::error::operation_aborted, *ec1); | |
225 | ASSERT_TRUE(ec2); | |
226 | EXPECT_EQ(boost::asio::error::operation_aborted, *ec2); | |
227 | ||
228 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
229 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_res)); | |
230 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
231 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
232 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
233 | ||
234 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
235 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
236 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
237 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
238 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
239 | } | |
240 | ||
241 | TEST(Queue, CancelClient) | |
242 | { | |
243 | boost::asio::io_context context; | |
244 | ClientCounters counters(g_ceph_context); | |
245 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
246 | [] (client_id client) -> ClientInfo* { | |
247 | static ClientInfo info{0, 1, 1}; | |
248 | return &info; | |
249 | }); | |
250 | ||
251 | std::optional<error_code> ec1, ec2; | |
252 | std::optional<PhaseType> p1, p2; | |
253 | ||
254 | auto now = get_time(); | |
255 | queue.async_request(client_id::admin, {}, now, 1, capture(ec1, p1)); | |
256 | queue.async_request(client_id::auth, {}, now, 1, capture(ec2, p2)); | |
257 | EXPECT_FALSE(ec1); | |
258 | EXPECT_FALSE(ec2); | |
259 | ||
260 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
261 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
262 | ||
263 | queue.cancel(client_id::admin); | |
264 | ||
265 | EXPECT_FALSE(ec1); | |
266 | EXPECT_FALSE(ec2); | |
267 | ||
f38dd50b | 268 | context.run_for(std::chrono::milliseconds(50)); |
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269 | EXPECT_TRUE(context.stopped()); |
270 | ||
271 | ASSERT_TRUE(ec1); | |
272 | EXPECT_EQ(boost::asio::error::operation_aborted, *ec1); | |
273 | ||
274 | ASSERT_TRUE(ec2); | |
275 | EXPECT_EQ(boost::system::errc::success, *ec2); | |
276 | ASSERT_TRUE(p2); | |
277 | EXPECT_EQ(PhaseType::priority, *p2); | |
278 | ||
279 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
280 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_res)); | |
281 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
282 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
283 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
284 | ||
285 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
286 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
287 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
288 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
289 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
290 | } | |
291 | ||
292 | TEST(Queue, CancelOnDestructor) | |
293 | { | |
294 | boost::asio::io_context context; | |
295 | ||
296 | std::optional<error_code> ec1, ec2; | |
297 | std::optional<PhaseType> p1, p2; | |
298 | ||
299 | ClientCounters counters(g_ceph_context); | |
300 | { | |
301 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
302 | [] (client_id client) -> ClientInfo* { | |
303 | static ClientInfo info{0, 1, 1}; | |
304 | return &info; | |
305 | }); | |
306 | ||
307 | auto now = get_time(); | |
308 | queue.async_request(client_id::admin, {}, now, 1, capture(ec1, p1)); | |
309 | queue.async_request(client_id::auth, {}, now, 1, capture(ec2, p2)); | |
310 | ||
311 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
312 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
313 | } | |
314 | ||
315 | EXPECT_FALSE(ec1); | |
316 | EXPECT_FALSE(ec2); | |
317 | ||
f38dd50b | 318 | context.run_for(std::chrono::milliseconds(50)); |
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319 | EXPECT_TRUE(context.stopped()); |
320 | ||
321 | ASSERT_TRUE(ec1); | |
322 | EXPECT_EQ(boost::asio::error::operation_aborted, *ec1); | |
323 | ASSERT_TRUE(ec2); | |
324 | EXPECT_EQ(boost::asio::error::operation_aborted, *ec2); | |
325 | ||
326 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
327 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_res)); | |
328 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_prio)); | |
329 | EXPECT_EQ(0u, counters(client_id::admin)->get(queue_counters::l_limit)); | |
330 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_cancel)); | |
331 | ||
332 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
333 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_res)); | |
334 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_prio)); | |
335 | EXPECT_EQ(0u, counters(client_id::auth)->get(queue_counters::l_limit)); | |
336 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_cancel)); | |
337 | } | |
338 | ||
339 | // return a lambda from capture() that's bound to run on the given executor | |
340 | template <typename Executor> | |
341 | auto capture(const Executor& ex, std::optional<error_code>& opt_ec, | |
342 | std::optional<PhaseType>& opt_res) | |
343 | { | |
344 | return boost::asio::bind_executor(ex, capture(opt_ec, opt_res)); | |
345 | } | |
346 | ||
347 | TEST(Queue, CrossExecutorRequest) | |
348 | { | |
349 | boost::asio::io_context queue_context; | |
350 | ClientCounters counters(g_ceph_context); | |
351 | AsyncScheduler queue(g_ceph_context, queue_context, std::ref(counters), nullptr, | |
352 | [] (client_id client) -> ClientInfo* { | |
353 | static ClientInfo info{0, 1, 1}; | |
354 | return &info; | |
355 | }); | |
356 | ||
357 | // create a separate execution context to use for all callbacks to test that | |
358 | // pending requests maintain executor work guards on both executors | |
359 | boost::asio::io_context callback_context; | |
360 | auto ex2 = callback_context.get_executor(); | |
361 | ||
362 | std::optional<error_code> ec1, ec2; | |
363 | std::optional<PhaseType> p1, p2; | |
364 | ||
365 | auto now = get_time(); | |
366 | queue.async_request(client_id::admin, {}, now, 1, capture(ex2, ec1, p1)); | |
367 | queue.async_request(client_id::auth, {}, now, 1, capture(ex2, ec2, p2)); | |
368 | ||
369 | EXPECT_EQ(1u, counters(client_id::admin)->get(queue_counters::l_qlen)); | |
370 | EXPECT_EQ(1u, counters(client_id::auth)->get(queue_counters::l_qlen)); | |
371 | ||
f38dd50b | 372 | callback_context.poll(); |
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373 | // maintains work on callback executor while in queue |
374 | EXPECT_FALSE(callback_context.stopped()); | |
375 | ||
376 | EXPECT_FALSE(ec1); | |
377 | EXPECT_FALSE(ec2); | |
378 | ||
f38dd50b | 379 | queue_context.run_for(std::chrono::milliseconds(50)); |
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380 | EXPECT_TRUE(queue_context.stopped()); |
381 | ||
382 | EXPECT_FALSE(ec1); // no callbacks until callback executor runs | |
383 | EXPECT_FALSE(ec2); | |
384 | ||
f38dd50b | 385 | callback_context.run_for(std::chrono::milliseconds(50)); |
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386 | EXPECT_TRUE(callback_context.stopped()); |
387 | ||
388 | ASSERT_TRUE(ec1); | |
389 | EXPECT_EQ(boost::system::errc::success, *ec1); | |
390 | ASSERT_TRUE(p1); | |
391 | EXPECT_EQ(PhaseType::priority, *p1); | |
392 | ||
393 | ASSERT_TRUE(ec2); | |
394 | EXPECT_EQ(boost::system::errc::success, *ec2); | |
395 | ASSERT_TRUE(p2); | |
396 | EXPECT_EQ(PhaseType::priority, *p2); | |
397 | } | |
398 | ||
399 | TEST(Queue, SpawnAsyncRequest) | |
400 | { | |
401 | boost::asio::io_context context; | |
402 | ||
f51cf556 | 403 | spawn::spawn(context, [&] (spawn::yield_context yield) { |
11fdf7f2 TL |
404 | ClientCounters counters(g_ceph_context); |
405 | AsyncScheduler queue(g_ceph_context, context, std::ref(counters), nullptr, | |
406 | [] (client_id client) -> ClientInfo* { | |
407 | static ClientInfo clients[] = { | |
408 | {1, 1, 1}, // admin: satisfy by reservation | |
409 | {0, 1, 1}, // auth: satisfy by priority | |
410 | }; | |
411 | return &clients[static_cast<size_t>(client)]; | |
412 | }); | |
413 | ||
414 | error_code ec1, ec2; | |
415 | auto p1 = queue.async_request(client_id::admin, {}, get_time(), 1, yield[ec1]); | |
416 | EXPECT_EQ(boost::system::errc::success, ec1); | |
417 | EXPECT_EQ(PhaseType::reservation, p1); | |
418 | ||
419 | auto p2 = queue.async_request(client_id::auth, {}, get_time(), 1, yield[ec2]); | |
420 | EXPECT_EQ(boost::system::errc::success, ec2); | |
421 | EXPECT_EQ(PhaseType::priority, p2); | |
422 | }); | |
423 | ||
f38dd50b | 424 | context.run_for(std::chrono::milliseconds(50)); |
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425 | EXPECT_TRUE(context.stopped()); |
426 | } | |
427 | ||
11fdf7f2 | 428 | } // namespace rgw::dmclock |