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Issue 2739007: Disk cache: Update the disk cache tools and tests to use... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 6 months ago
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1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2010 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 #include "net/disk_cache/mem_backend_impl.h" 5 #include "net/disk_cache/mem_backend_impl.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/sys_info.h" 8 #include "base/sys_info.h"
9 #include "net/base/net_errors.h" 9 #include "net/base/net_errors.h"
10 #include "net/disk_cache/cache_util.h" 10 #include "net/disk_cache/cache_util.h"
11 #include "net/disk_cache/mem_entry_impl.h" 11 #include "net/disk_cache/mem_entry_impl.h"
12 12
13 using base::Time; 13 using base::Time;
14 14
15 namespace { 15 namespace {
16 16
17 const int kDefaultCacheSize = 10 * 1024 * 1024; 17 const int kDefaultCacheSize = 10 * 1024 * 1024;
18 const int kCleanUpMargin = 1024 * 1024; 18 const int kCleanUpMargin = 1024 * 1024;
19 19
20 int LowWaterAdjust(int high_water) { 20 int LowWaterAdjust(int high_water) {
21 if (high_water < kCleanUpMargin) 21 if (high_water < kCleanUpMargin)
22 return 0; 22 return 0;
23 23
24 return high_water - kCleanUpMargin; 24 return high_water - kCleanUpMargin;
25 } 25 }
26 26
27 } // namespace 27 } // namespace
28 28
29 namespace disk_cache { 29 namespace disk_cache {
30 30
31 Backend* CreateInMemoryCacheBackend(int max_bytes) { 31 // Static.
32 Backend* MemBackendImpl::CreateBackend(int max_bytes) {
32 MemBackendImpl* cache = new MemBackendImpl(); 33 MemBackendImpl* cache = new MemBackendImpl();
33 cache->SetMaxSize(max_bytes); 34 cache->SetMaxSize(max_bytes);
34 if (cache->Init()) 35 if (cache->Init())
35 return cache; 36 return cache;
36 37
37 delete cache; 38 delete cache;
38 LOG(ERROR) << "Unable to create cache"; 39 LOG(ERROR) << "Unable to create cache";
39 return NULL; 40 return NULL;
40 } 41 }
41 42
42 // ------------------------------------------------------------------------
43
44 bool MemBackendImpl::Init() { 43 bool MemBackendImpl::Init() {
45 if (max_size_) 44 if (max_size_)
46 return true; 45 return true;
47 46
48 int64 total_memory = base::SysInfo::AmountOfPhysicalMemory(); 47 int64 total_memory = base::SysInfo::AmountOfPhysicalMemory();
49 48
50 if (total_memory <= 0) { 49 if (total_memory <= 0) {
51 max_size_ = kDefaultCacheSize; 50 max_size_ = kDefaultCacheSize;
52 return true; 51 return true;
53 } 52 }
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309 308
310 void MemBackendImpl::InsertIntoRankingList(MemEntryImpl* entry) { 309 void MemBackendImpl::InsertIntoRankingList(MemEntryImpl* entry) {
311 rankings_.Insert(entry); 310 rankings_.Insert(entry);
312 } 311 }
313 312
314 void MemBackendImpl::RemoveFromRankingList(MemEntryImpl* entry) { 313 void MemBackendImpl::RemoveFromRankingList(MemEntryImpl* entry) {
315 rankings_.Remove(entry); 314 rankings_.Remove(entry);
316 } 315 }
317 316
318 } // namespace disk_cache 317 } // namespace disk_cache
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