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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_ | |
| 6 #define WEBKIT_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "base/threading/non_thread_safe.h" | |
| 13 #include "base/timer/timer.h" | |
| 14 #include "webkit/browser/webkit_storage_browser_export.h" | |
| 15 #include "webkit/common/quota/quota_types.h" | |
| 16 | |
| 17 class GURL; | |
| 18 | |
| 19 namespace content { | |
| 20 class QuotaTemporaryStorageEvictorTest; | |
| 21 } | |
| 22 | |
| 23 namespace quota { | |
| 24 | |
| 25 class QuotaEvictionHandler; | |
| 26 struct UsageAndQuota; | |
| 27 | |
| 28 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE QuotaTemporaryStorageEvictor | |
| 29 : public base::NonThreadSafe { | |
| 30 public: | |
| 31 struct Statistics { | |
| 32 Statistics() | |
| 33 : num_errors_on_evicting_origin(0), | |
| 34 num_errors_on_getting_usage_and_quota(0), | |
| 35 num_evicted_origins(0), | |
| 36 num_eviction_rounds(0), | |
| 37 num_skipped_eviction_rounds(0) {} | |
| 38 int64 num_errors_on_evicting_origin; | |
| 39 int64 num_errors_on_getting_usage_and_quota; | |
| 40 int64 num_evicted_origins; | |
| 41 int64 num_eviction_rounds; | |
| 42 int64 num_skipped_eviction_rounds; | |
| 43 | |
| 44 void subtract_assign(const Statistics& rhs) { | |
| 45 num_errors_on_evicting_origin -= rhs.num_errors_on_evicting_origin; | |
| 46 num_errors_on_getting_usage_and_quota -= | |
| 47 rhs.num_errors_on_getting_usage_and_quota; | |
| 48 num_evicted_origins -= rhs.num_evicted_origins; | |
| 49 num_eviction_rounds -= rhs.num_eviction_rounds; | |
| 50 num_skipped_eviction_rounds -= rhs.num_skipped_eviction_rounds; | |
| 51 } | |
| 52 }; | |
| 53 | |
| 54 struct EvictionRoundStatistics { | |
| 55 EvictionRoundStatistics(); | |
| 56 | |
| 57 bool in_round; | |
| 58 bool is_initialized; | |
| 59 | |
| 60 base::Time start_time; | |
| 61 int64 usage_overage_at_round; | |
| 62 int64 diskspace_shortage_at_round; | |
| 63 | |
| 64 int64 usage_on_beginning_of_round; | |
| 65 int64 usage_on_end_of_round; | |
| 66 int64 num_evicted_origins_in_round; | |
| 67 }; | |
| 68 | |
| 69 QuotaTemporaryStorageEvictor( | |
| 70 QuotaEvictionHandler* quota_eviction_handler, | |
| 71 int64 interval_ms); | |
| 72 virtual ~QuotaTemporaryStorageEvictor(); | |
| 73 | |
| 74 void GetStatistics(std::map<std::string, int64>* statistics); | |
| 75 void ReportPerRoundHistogram(); | |
| 76 void ReportPerHourHistogram(); | |
| 77 void Start(); | |
| 78 | |
| 79 int64 min_available_disk_space_to_start_eviction() { | |
| 80 return min_available_disk_space_to_start_eviction_; | |
| 81 } | |
| 82 void reset_min_available_disk_space_to_start_eviction() { | |
| 83 min_available_disk_space_to_start_eviction_ = | |
| 84 kMinAvailableDiskSpaceToStartEvictionNotSpecified; | |
| 85 } | |
| 86 void set_min_available_disk_space_to_start_eviction(int64 value) { | |
| 87 min_available_disk_space_to_start_eviction_ = value; | |
| 88 } | |
| 89 | |
| 90 private: | |
| 91 friend class content::QuotaTemporaryStorageEvictorTest; | |
| 92 | |
| 93 void StartEvictionTimerWithDelay(int delay_ms); | |
| 94 void ConsiderEviction(); | |
| 95 void OnGotUsageAndQuotaForEviction( | |
| 96 QuotaStatusCode status, | |
| 97 const UsageAndQuota& quota_and_usage); | |
| 98 void OnGotLRUOrigin(const GURL& origin); | |
| 99 void OnEvictionComplete(QuotaStatusCode status); | |
| 100 | |
| 101 void OnEvictionRoundStarted(); | |
| 102 void OnEvictionRoundFinished(); | |
| 103 | |
| 104 // This is only used for tests. | |
| 105 void set_repeated_eviction(bool repeated_eviction) { | |
| 106 repeated_eviction_ = repeated_eviction; | |
| 107 } | |
| 108 | |
| 109 static const int kMinAvailableDiskSpaceToStartEvictionNotSpecified; | |
| 110 | |
| 111 int64 min_available_disk_space_to_start_eviction_; | |
| 112 | |
| 113 // Not owned; quota_eviction_handler owns us. | |
| 114 QuotaEvictionHandler* quota_eviction_handler_; | |
| 115 | |
| 116 Statistics statistics_; | |
| 117 Statistics previous_statistics_; | |
| 118 EvictionRoundStatistics round_statistics_; | |
| 119 base::Time time_of_end_of_last_nonskipped_round_; | |
| 120 base::Time time_of_end_of_last_round_; | |
| 121 | |
| 122 int64 interval_ms_; | |
| 123 bool repeated_eviction_; | |
| 124 | |
| 125 base::OneShotTimer<QuotaTemporaryStorageEvictor> eviction_timer_; | |
| 126 base::RepeatingTimer<QuotaTemporaryStorageEvictor> histogram_timer_; | |
| 127 base::WeakPtrFactory<QuotaTemporaryStorageEvictor> weak_factory_; | |
| 128 | |
| 129 DISALLOW_COPY_AND_ASSIGN(QuotaTemporaryStorageEvictor); | |
| 130 }; | |
| 131 | |
| 132 } // namespace quota | |
| 133 | |
| 134 #endif // WEBKIT_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_ | |
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Chromium Code Reviews
Issue 442383002:
Move storage-related files from webkit/ to new top-level directory storage/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src