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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CONFIG
_RETRIEVAL_PARAMS_H_ | 5 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CONFIG
_RETRIEVAL_PARAMS_H_ |
6 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CONFIG
_RETRIEVAL_PARAMS_H_ | 6 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CONFIG
_RETRIEVAL_PARAMS_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <vector> | 10 #include <vector> |
9 | 11 |
10 #include "base/basictypes.h" | |
11 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
12 #include "base/time/time.h" | 13 #include "base/time/time.h" |
13 | 14 |
14 class PrefService; | 15 class PrefService; |
15 | 16 |
16 namespace base { | 17 namespace base { |
17 class HistogramBase; | 18 class HistogramBase; |
18 } | 19 } |
19 | 20 |
20 namespace data_reduction_proxy { | 21 namespace data_reduction_proxy { |
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70 public: | 71 public: |
71 Variation(int index, const base::Time& simulated_config_retrieved); | 72 Variation(int index, const base::Time& simulated_config_retrieved); |
72 | 73 |
73 // Returns the current state of the Data Reduction Proxy configuration. | 74 // Returns the current state of the Data Reduction Proxy configuration. |
74 // Virtual for testing. | 75 // Virtual for testing. |
75 virtual ConfigState GetState(const base::Time& request_time, | 76 virtual ConfigState GetState(const base::Time& request_time, |
76 const base::Time& config_expiration) const; | 77 const base::Time& config_expiration) const; |
77 | 78 |
78 // Records content length statistics if potentially uncompressed bytes have | 79 // Records content length statistics if potentially uncompressed bytes have |
79 // been detected for this variation. | 80 // been detected for this variation. |
80 void RecordStats(int64 received_content_length, | 81 void RecordStats(int64_t received_content_length, |
81 int64 original_content_length) const; | 82 int64_t original_content_length) const; |
82 | 83 |
83 // Visible for testing. | 84 // Visible for testing. |
84 const base::Time& simulated_config_retrieved() const { | 85 const base::Time& simulated_config_retrieved() const { |
85 return simulated_config_retrieved_; | 86 return simulated_config_retrieved_; |
86 } | 87 } |
87 | 88 |
88 private: | 89 private: |
89 // The time at which the simulated Data Reduction Proxy configuration is | 90 // The time at which the simulated Data Reduction Proxy configuration is |
90 // considered to have been received. | 91 // considered to have been received. |
91 base::Time simulated_config_retrieved_; | 92 base::Time simulated_config_retrieved_; |
92 | 93 |
93 // Histograms for recording stats. | 94 // Histograms for recording stats. |
94 base::HistogramBase* lost_bytes_ocl_; | 95 base::HistogramBase* lost_bytes_ocl_; |
95 base::HistogramBase* lost_bytes_rcl_; | 96 base::HistogramBase* lost_bytes_rcl_; |
96 base::HistogramBase* lost_bytes_diff_; | 97 base::HistogramBase* lost_bytes_diff_; |
97 }; | 98 }; |
98 | 99 |
99 static scoped_ptr<DataReductionProxyConfigRetrievalParams> Create( | 100 static scoped_ptr<DataReductionProxyConfigRetrievalParams> Create( |
100 PrefService* pref_service); | 101 PrefService* pref_service); |
101 | 102 |
102 virtual ~DataReductionProxyConfigRetrievalParams(); | 103 virtual ~DataReductionProxyConfigRetrievalParams(); |
103 | 104 |
104 // Records content length statistics against any variations for which | 105 // Records content length statistics against any variations for which |
105 // potentially uncompressed bytes have been detected. | 106 // potentially uncompressed bytes have been detected. |
106 void RecordStats(const base::Time& request_time, | 107 void RecordStats(const base::Time& request_time, |
107 int64 received_content_length, | 108 int64_t received_content_length, |
108 int64 original_content_length) const; | 109 int64_t original_content_length) const; |
109 | 110 |
110 // Simulates retrieving a new configuration. | 111 // Simulates retrieving a new configuration. |
111 void RefreshConfig(); | 112 void RefreshConfig(); |
112 | 113 |
113 bool loaded_expired_config() const { return loaded_expired_config_; } | 114 bool loaded_expired_config() const { return loaded_expired_config_; } |
114 | 115 |
115 // Returns the expiration time of the current configuration. | 116 // Returns the expiration time of the current configuration. |
116 const base::Time& config_expiration() const { return config_expiration_; } | 117 const base::Time& config_expiration() const { return config_expiration_; } |
117 | 118 |
118 // Returns how often the configuration should be retrieved. | 119 // Returns how often the configuration should be retrieved. |
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145 // The duration after which a simulated retrieval of a new Data Reduction | 146 // The duration after which a simulated retrieval of a new Data Reduction |
146 // Proxy configuration should be performed. | 147 // Proxy configuration should be performed. |
147 base::TimeDelta config_refresh_interval_; | 148 base::TimeDelta config_refresh_interval_; |
148 | 149 |
149 // The different variations on roundtrip time that can take place. | 150 // The different variations on roundtrip time that can take place. |
150 std::vector<Variation> variations_; | 151 std::vector<Variation> variations_; |
151 }; | 152 }; |
152 | 153 |
153 } // namespace data_reduction_proxy | 154 } // namespace data_reduction_proxy |
154 #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CON
FIG_RETRIEVAL_PARAMS_H_ | 155 #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_CON
FIG_RETRIEVAL_PARAMS_H_ |
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