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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This is a simple application that stress-tests the crash recovery of the disk | 5 // This is a simple application that stress-tests the crash recovery of the disk |
6 // cache. The main application starts a copy of itself on a loop, checking the | 6 // cache. The main application starts a copy of itself on a loop, checking the |
7 // exit code of the child process. When the child dies in an unexpected way, | 7 // exit code of the child process. When the child dies in an unexpected way, |
8 // the main application quits. | 8 // the main application quits. |
9 | 9 |
10 // The child application has two threads: one to exercise the cache in an | 10 // The child application has two threads: one to exercise the cache in an |
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105 FilePath path; | 105 FilePath path; |
106 PathService::Get(base::DIR_TEMP, &path); | 106 PathService::Get(base::DIR_TEMP, &path); |
107 path = path.AppendASCII("cache_test_stress"); | 107 path = path.AppendASCII("cache_test_stress"); |
108 | 108 |
109 base::Thread cache_thread("CacheThread"); | 109 base::Thread cache_thread("CacheThread"); |
110 if (!cache_thread.StartWithOptions( | 110 if (!cache_thread.StartWithOptions( |
111 base::Thread::Options(MessageLoop::TYPE_IO, 0))) | 111 base::Thread::Options(MessageLoop::TYPE_IO, 0))) |
112 return; | 112 return; |
113 | 113 |
114 disk_cache::BackendImpl* cache = | 114 disk_cache::BackendImpl* cache = |
115 new disk_cache::BackendImpl(path, mask, cache_thread.message_loop_proxy(), | 115 new disk_cache::BackendImpl( |
116 NULL); | 116 path, mask, cache_thread.message_loop_proxy().get(), |
| 117 NULL); |
117 cache->SetMaxSize(cache_size); | 118 cache->SetMaxSize(cache_size); |
118 cache->SetFlags(disk_cache::kNoLoadProtection); | 119 cache->SetFlags(disk_cache::kNoLoadProtection); |
119 | 120 |
120 net::TestCompletionCallback cb; | 121 net::TestCompletionCallback cb; |
121 int rv = cache->Init(cb.callback()); | 122 int rv = cache->Init(cb.callback()); |
122 | 123 |
123 if (cb.GetResult(rv) != net::OK) { | 124 if (cb.GetResult(rv) != net::OK) { |
124 printf("Unable to initialize cache.\n"); | 125 printf("Unable to initialize cache.\n"); |
125 return; | 126 return; |
126 } | 127 } |
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161 net::TestCompletionCallback cb; | 162 net::TestCompletionCallback cb; |
162 rv = cache->OpenEntry(keys[key], &entries[slot], cb.callback()); | 163 rv = cache->OpenEntry(keys[key], &entries[slot], cb.callback()); |
163 if (cb.GetResult(rv) != net::OK) { | 164 if (cb.GetResult(rv) != net::OK) { |
164 rv = cache->CreateEntry(keys[key], &entries[slot], cb.callback()); | 165 rv = cache->CreateEntry(keys[key], &entries[slot], cb.callback()); |
165 CHECK_EQ(net::OK, cb.GetResult(rv)); | 166 CHECK_EQ(net::OK, cb.GetResult(rv)); |
166 } | 167 } |
167 | 168 |
168 base::snprintf(buffer->data(), kSize, | 169 base::snprintf(buffer->data(), kSize, |
169 "i: %d iter: %d, size: %d, truncate: %d ", i, iteration, | 170 "i: %d iter: %d, size: %d, truncate: %d ", i, iteration, |
170 size, truncate ? 1 : 0); | 171 size, truncate ? 1 : 0); |
171 rv = entries[slot]->WriteData(0, 0, buffer, size, cb.callback(), truncate); | 172 rv = entries[slot]-> |
| 173 WriteData(0, 0, buffer.get(), size, cb.callback(), truncate); |
172 CHECK_EQ(size, cb.GetResult(rv)); | 174 CHECK_EQ(size, cb.GetResult(rv)); |
173 | 175 |
174 if (rand() % 100 > 80) { | 176 if (rand() % 100 > 80) { |
175 key = rand() % kNumKeys; | 177 key = rand() % kNumKeys; |
176 net::TestCompletionCallback cb2; | 178 net::TestCompletionCallback cb2; |
177 rv = cache->DoomEntry(keys[key], cb2.callback()); | 179 rv = cache->DoomEntry(keys[key], cb2.callback()); |
178 cb2.GetResult(rv); | 180 cb2.GetResult(rv); |
179 } | 181 } |
180 | 182 |
181 if (!(i % 100)) | 183 if (!(i % 100)) |
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281 long int iteration = strtol(argv[1], &end, 0); | 283 long int iteration = strtol(argv[1], &end, 0); |
282 | 284 |
283 if (!StartCrashThread()) { | 285 if (!StartCrashThread()) { |
284 printf("failed to start thread\n"); | 286 printf("failed to start thread\n"); |
285 return kError; | 287 return kError; |
286 } | 288 } |
287 | 289 |
288 StressTheCache(iteration); | 290 StressTheCache(iteration); |
289 return 0; | 291 return 0; |
290 } | 292 } |
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