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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
|
ncarter (slow)
2016/12/05 19:50:50
2016
Navid Zolghadr
2016/12/06 19:10:33
Done.
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| 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_RAPPOR_SAMPLE_H_ | 5 #ifndef COMPONENTS_RAPPOR_PUBLIC_SAMPLE_H_ |
| 6 #define COMPONENTS_RAPPOR_SAMPLE_H_ | 6 #define COMPONENTS_RAPPOR_PUBLIC_SAMPLE_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
| 11 #include <map> | 11 #include <map> |
| 12 #include <string> | 12 #include <string> |
| 13 | 13 |
| 14 #include "base/macros.h" | 14 #include "base/macros.h" |
| 15 #include "components/rappor/rappor_parameters.h" | 15 #include "components/rappor/public/rappor_parameters.h" |
| 16 | 16 |
| 17 namespace rappor { | 17 namespace rappor { |
| 18 | 18 |
| 19 class RapporReports; | 19 class RapporReports; |
| 20 class RapporService; | 20 class RapporServiceImpl; |
| 21 class TestSamplerFactory; | 21 class TestSamplerFactory; |
| 22 | 22 |
| 23 // Sample is a container for information about a single instance of some event | 23 // Sample is a container for information about a single instance of some event |
| 24 // we are sending Rappor data about. It may contain multiple different fields, | 24 // we are sending Rappor data about. It may contain multiple different fields, |
| 25 // which describe different details of the event, and they will be sent in the | 25 // which describe different details of the event, and they will be sent in the |
| 26 // same Rappor report, enabling analysis of correlations between those fields. | 26 // same Rappor report, enabling analysis of correlations between those fields. |
| 27 class Sample { | 27 class Sample { |
| 28 public: | 28 public: |
| 29 virtual ~Sample(); | 29 virtual ~Sample(); |
| 30 | 30 |
| (...skipping 22 matching lines...) Expand all Loading... | |
| 53 | 53 |
| 54 // Generate randomized reports and store them in |reports|. | 54 // Generate randomized reports and store them in |reports|. |
| 55 virtual void ExportMetrics(const std::string& secret, | 55 virtual void ExportMetrics(const std::string& secret, |
| 56 const std::string& metric_name, | 56 const std::string& metric_name, |
| 57 RapporReports* reports) const; | 57 RapporReports* reports) const; |
| 58 | 58 |
| 59 const RapporParameters& parameters() { return parameters_; } | 59 const RapporParameters& parameters() { return parameters_; } |
| 60 | 60 |
| 61 private: | 61 private: |
| 62 friend class TestSamplerFactory; | 62 friend class TestSamplerFactory; |
| 63 friend class RapporService; | 63 friend class RapporServiceImpl; |
| 64 friend class TestSample; | 64 friend class TestSample; |
| 65 | 65 |
| 66 // Constructs a sample. Instead of calling this directly, call | 66 // Constructs a sample. Instead of calling this directly, call |
| 67 // RapporService::MakeSampleObj to create a sample. | 67 // RapporService::MakeSampleObj to create a sample. |
| 68 Sample(int32_t cohort_seed, const RapporParameters& parameters); | 68 Sample(int32_t cohort_seed, const RapporParameters& parameters); |
| 69 | 69 |
| 70 const RapporParameters parameters_; | 70 const RapporParameters parameters_; |
| 71 | 71 |
| 72 // Offset used for bloom filter hash functions. | 72 // Offset used for bloom filter hash functions. |
| 73 uint32_t bloom_offset_; | 73 uint32_t bloom_offset_; |
| 74 | 74 |
| 75 struct FieldInfo { | 75 struct FieldInfo { |
| 76 // Size of the field, in bytes. | 76 // Size of the field, in bytes. |
| 77 size_t size; | 77 size_t size; |
| 78 // The non-randomized report value for the field. | 78 // The non-randomized report value for the field. |
| 79 uint64_t value; | 79 uint64_t value; |
| 80 // The noise level to use when creating a report for the field. | 80 // The noise level to use when creating a report for the field. |
| 81 NoiseLevel noise_level; | 81 NoiseLevel noise_level; |
| 82 }; | 82 }; |
| 83 | 83 |
| 84 // Information about all recorded fields. | 84 // Information about all recorded fields. |
| 85 std::map<std::string, FieldInfo> field_info_; | 85 std::map<std::string, FieldInfo> field_info_; |
| 86 | 86 |
| 87 DISALLOW_COPY_AND_ASSIGN(Sample); | 87 DISALLOW_COPY_AND_ASSIGN(Sample); |
| 88 }; | 88 }; |
| 89 | 89 |
| 90 } // namespace rappor | 90 } // namespace rappor |
| 91 | 91 |
| 92 #endif // COMPONENTS_RAPPOR_SAMPLE_H_ | 92 #endif // COMPONENTS_RAPPOR_PUBLIC_SAMPLE_H_ |
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