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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 #include "components/rappor/sample.h" | 5 #include "components/rappor/sample.h" |
6 | 6 |
7 #include <map> | 7 #include <map> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/metrics/metrics_hashes.h" | 11 #include "base/metrics/metrics_hashes.h" |
12 #include "components/rappor/bloom_filter.h" | 12 #include "components/rappor/bloom_filter.h" |
13 #include "components/rappor/byte_vector_utils.h" | 13 #include "components/rappor/byte_vector_utils.h" |
14 #include "components/rappor/proto/rappor_metric.pb.h" | 14 #include "components/rappor/proto/rappor_metric.pb.h" |
15 #include "components/rappor/reports.h" | 15 #include "components/rappor/reports.h" |
16 | 16 |
17 namespace rappor { | 17 namespace rappor { |
18 | 18 |
19 Sample::Sample(int32_t cohort_seed, const RapporParameters& parameters) | 19 Sample::Sample(int32_t cohort_seed, const RapporParameters& parameters) |
20 : parameters_(parameters), | 20 : parameters_(parameters), |
21 bloom_offset_((cohort_seed % parameters_.num_cohorts) * | 21 bloom_offset_((cohort_seed % parameters_.num_cohorts) * |
22 parameters_.bloom_filter_hash_function_count) { | 22 parameters_.bloom_filter_hash_function_count) { |
23 // Must use bloom filter size that fits in uint64. | 23 // Must use bloom filter size that fits in uint64_t. |
24 DCHECK_LE(parameters_.bloom_filter_size_bytes, 8); | 24 DCHECK_LE(parameters_.bloom_filter_size_bytes, 8); |
25 } | 25 } |
26 | 26 |
27 Sample::~Sample() { | 27 Sample::~Sample() { |
28 } | 28 } |
29 | 29 |
30 void Sample::SetStringField(const std::string& field_name, | 30 void Sample::SetStringField(const std::string& field_name, |
31 const std::string& value) { | 31 const std::string& value) { |
32 DVLOG(2) << "Recording sample \"" << value | 32 DVLOG(2) << "Recording sample \"" << value |
33 << "\" for sample metric field \"" << field_name << "\""; | 33 << "\" for sample metric field \"" << field_name << "\""; |
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68 | 68 |
69 RapporReports::Report* report = reports->add_report(); | 69 RapporReports::Report* report = reports->add_report(); |
70 report->set_name_hash(base::HashMetricName( | 70 report->set_name_hash(base::HashMetricName( |
71 metric_name + "." + kv.first)); | 71 metric_name + "." + kv.first)); |
72 report->set_bits(std::string(report_bytes.begin(), report_bytes.end())); | 72 report->set_bits(std::string(report_bytes.begin(), report_bytes.end())); |
73 DVLOG(2) << "Exporting sample " << metric_name << "." << kv.first; | 73 DVLOG(2) << "Exporting sample " << metric_name << "." << kv.first; |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 } // namespace rappor | 77 } // namespace rappor |
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