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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/crimson/gtest_seastar.h" | |
5 | ||
6 | #include <random> | |
7 | ||
8 | #include "crimson/common/log.h" | |
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9 | #include "crimson/os/seastore/random_block_manager/block_rb_manager.h" |
10 | #include "crimson/os/seastore/random_block_manager/rbm_device.h" | |
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11 | |
12 | using namespace crimson; | |
13 | using namespace crimson::os; | |
14 | using namespace crimson::os::seastore; | |
15 | ||
16 | namespace { | |
17 | [[maybe_unused]] seastar::logger& logger() { | |
18 | return crimson::get_logger(ceph_subsys_test); | |
19 | } | |
20 | } | |
21 | ||
22 | constexpr uint64_t DEFAULT_TEST_SIZE = 1 << 20; | |
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23 | |
24 | struct rbm_test_t : | |
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25 | public seastar_test_suite_t { |
26 | std::unique_ptr<BlockRBManager> rbm_manager; | |
27 | std::unique_ptr<random_block_device::RBMDevice> device; | |
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28 | |
29 | struct rbm_transaction { | |
1e59de90 | 30 | void add_rbm_allocated_blocks(alloc_delta_t &d) { |
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31 | allocated_blocks.push_back(d); |
32 | } | |
33 | void clear_rbm_allocated_blocks() { | |
34 | if (!allocated_blocks.empty()) { | |
35 | allocated_blocks.clear(); | |
36 | } | |
37 | } | |
38 | const auto &get_rbm_allocated_blocks() { | |
39 | return allocated_blocks; | |
40 | } | |
1e59de90 | 41 | std::vector<alloc_delta_t> allocated_blocks; |
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42 | }; |
43 | ||
44 | std::default_random_engine generator; | |
45 | ||
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46 | uint64_t block_size = 0; |
47 | uint64_t size = 0; | |
20effc67 | 48 | |
1e59de90 | 49 | device_config_t config; |
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50 | |
51 | rbm_test_t() = default; | |
52 | ||
53 | seastar::future<> set_up_fut() final { | |
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54 | device = random_block_device::create_test_ephemeral( |
55 | random_block_device::DEFAULT_TEST_CBJOURNAL_SIZE, DEFAULT_TEST_SIZE); | |
56 | block_size = device->get_block_size(); | |
57 | size = device->get_available_size(); | |
58 | rbm_manager.reset(new BlockRBManager(device.get(), std::string(), false)); | |
59 | config = get_rbm_ephemeral_device_config(0, 1); | |
60 | return device->mkfs(config).handle_error(crimson::ct_error::assert_all{} | |
61 | ).then([this] { | |
62 | return device->mount().handle_error(crimson::ct_error::assert_all{} | |
63 | ).then([this] { | |
64 | return rbm_manager->open().handle_error(crimson::ct_error::assert_all{}); | |
65 | }); | |
66 | }); | |
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67 | } |
68 | ||
69 | seastar::future<> tear_down_fut() final { | |
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70 | rbm_manager->close().unsafe_get0(); |
71 | device->close().unsafe_get0(); | |
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72 | rbm_manager.reset(); |
73 | device.reset(); | |
1e59de90 | 74 | return seastar::now(); |
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75 | } |
76 | ||
77 | auto mkfs() { | |
1e59de90 | 78 | return device->mkfs(config).unsafe_get0(); |
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79 | } |
80 | ||
81 | auto read_rbm_header() { | |
1e59de90 | 82 | return device->read_rbm_header(RBM_START_ADDRESS).unsafe_get0(); |
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83 | } |
84 | ||
85 | auto open() { | |
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86 | device->mount().unsafe_get0(); |
87 | return rbm_manager->open().unsafe_get0(); | |
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88 | } |
89 | ||
90 | auto write(uint64_t addr, bufferptr &ptr) { | |
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91 | paddr_t paddr = convert_abs_addr_to_paddr( |
92 | addr, | |
93 | rbm_manager->get_device_id()); | |
94 | return rbm_manager->write(paddr, ptr).unsafe_get0(); | |
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95 | } |
96 | ||
97 | auto read(uint64_t addr, bufferptr &ptr) { | |
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98 | paddr_t paddr = convert_abs_addr_to_paddr( |
99 | addr, | |
100 | rbm_manager->get_device_id()); | |
101 | return rbm_manager->read(paddr, ptr).unsafe_get0(); | |
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102 | } |
103 | ||
104 | bufferptr generate_extent(size_t blocks) { | |
105 | std::uniform_int_distribution<char> distribution( | |
106 | std::numeric_limits<char>::min(), | |
107 | std::numeric_limits<char>::max() | |
108 | ); | |
109 | char contents = distribution(generator); | |
110 | return buffer::ptr(buffer::create(blocks * block_size, contents)); | |
111 | } | |
112 | ||
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113 | void close() { |
114 | rbm_manager->close().unsafe_get0(); | |
115 | return; | |
116 | } | |
117 | ||
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118 | }; |
119 | ||
120 | TEST_F(rbm_test_t, mkfs_test) | |
121 | { | |
122 | run_async([this] { | |
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123 | auto super = read_rbm_header(); |
124 | ASSERT_TRUE( | |
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125 | super.block_size == block_size && |
126 | super.size == size | |
20effc67 | 127 | ); |
1e59de90 | 128 | config.spec.id = DEVICE_ID_NULL; |
20effc67 | 129 | mkfs(); |
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130 | super = read_rbm_header(); |
131 | ASSERT_TRUE( | |
132 | super.config.spec.id == DEVICE_ID_NULL && | |
133 | super.size == size | |
134 | ); | |
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135 | }); |
136 | } | |
137 | ||
1e59de90 | 138 | TEST_F(rbm_test_t, open_read_write_test) |
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139 | { |
140 | run_async([this] { | |
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141 | auto content = generate_extent(1); |
142 | { | |
143 | write( | |
144 | block_size, | |
145 | content | |
146 | ); | |
147 | auto bp = bufferptr(ceph::buffer::create_page_aligned(block_size)); | |
148 | read( | |
149 | block_size, | |
150 | bp | |
151 | ); | |
152 | bufferlist bl; | |
153 | bufferlist block; | |
154 | bl.append(bp); | |
155 | block.append(content); | |
156 | ASSERT_EQ( | |
157 | bl.begin().crc32c(bl.length(), 1), | |
158 | block.begin().crc32c(block.length(), 1)); | |
159 | } | |
160 | close(); | |
20effc67 | 161 | open(); |
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162 | { |
163 | auto bp = bufferptr(ceph::buffer::create_page_aligned(block_size)); | |
164 | read( | |
165 | block_size, | |
166 | bp | |
167 | ); | |
168 | bufferlist bl; | |
169 | bufferlist block; | |
170 | bl.append(bp); | |
171 | block.append(content); | |
172 | ASSERT_EQ( | |
173 | bl.begin().crc32c(bl.length(), 1), | |
174 | block.begin().crc32c(block.length(), 1)); | |
175 | } | |
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176 | }); |
177 | } | |
178 |