Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(222)

Unified Diff: components/rappor/rappor_parameters.h

Issue 2510803003: Pass RapporService to content/browser/ (Closed)
Patch Set: Fix more compile errors in JNI files Created 4 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: components/rappor/rappor_parameters.h
diff --git a/components/rappor/rappor_parameters.h b/components/rappor/rappor_parameters.h
deleted file mode 100644
index 1696269f4c0a0c3bd55e310e76074d061ac378d1..0000000000000000000000000000000000000000
--- a/components/rappor/rappor_parameters.h
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_RAPPOR_RAPPOR_PARAMETERS_H_
-#define COMPONENTS_RAPPOR_RAPPOR_PARAMETERS_H_
-
-#include <string>
-
-namespace rappor {
-
-// Levels of noise added to a sample.
-enum NoiseLevel {
- NO_NOISE = 0,
- NORMAL_NOISE,
- SPARSE_NOISE,
- NUM_NOISE_LEVELS,
-};
-
-// The type of data stored in a metric.
-// Any use of the LOW_FREQUENCY types must be approved by Chrome Privacy and
-// the rappor-dev team.
-enum RapporType {
- // Generic metrics from UMA opt-in users.
- UMA_RAPPOR_TYPE = 0,
- // Generic metrics for SafeBrowsing users. Deprecated, replaced by
- // LOW_FREQUENCY_SAFEBROWSING_RAPPOR_TYPE.
- SAFEBROWSING_RAPPOR_TYPE,
- // Deprecated: Use UMA_RAPPOR_TYPE for new metrics
- ETLD_PLUS_ONE_RAPPOR_TYPE,
- // Type for low-frequency metrics from UMA opt-in users.
- LOW_FREQUENCY_UMA_RAPPOR_TYPE,
- // Type for low-frequency metrics from SafeBrowsing users.
- LOW_FREQUENCY_SAFEBROWSING_RAPPOR_TYPE,
- // Type for low-frequency metrics from UMA opt-in users. Do not use for new
- // metrics.
- LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
- NUM_RAPPOR_TYPES,
- COARSE_RAPPOR_TYPE = SAFEBROWSING_RAPPOR_TYPE,
-};
-
-enum Probability {
- PROBABILITY_100, // 100%
- PROBABILITY_75, // 75%
- PROBABILITY_50, // 50%
- PROBABILITY_25, // 25%
- PROBABILITY_0, // 0%
-};
-
-
-// A metric is reported when its reporting group is in the set of groups
-// passed in to RapporService::Start()
-enum RecordingGroup {
- // Metrics for UMA users.
- UMA_RAPPOR_GROUP = 1 << 0,
- // Metrics related to SafeBrowsing, for SafeBrowsing users.
- SAFEBROWSING_RAPPOR_GROUP = 1 << 1,
-};
-
-
-// An object describing noise probabilities for a noise level
-struct NoiseParameters {
- // The probability that a bit will be redacted with fake data. This
- // corresponds to the F privacy parameter.
- Probability fake_prob;
- // The probability that a fake bit will be a one.
- Probability fake_one_prob;
- // The probability that a one bit in the redacted data reports as one. This
- // corresponds to the Q privacy parameter
- Probability one_coin_prob;
- // The probability that a zero bit in the redacted data reports as one. This
- // corresponds to the P privacy parameter.
- Probability zero_coin_prob;
-};
-
-// An object describing a rappor metric and the parameters used to generate it.
-//
-// For a full description of the rappor metrics, see
-// http://www.chromium.org/developers/design-documents/rappor
-struct RapporParameters {
- // Get a string representing the parameters, for DCHECK_EQ.
- std::string ToString() const;
-
- // The maximum number of cohorts we divide clients into.
- static const int kMaxCohorts;
-
- // The number of cohorts to divide the reports for this metric into.
- // This should divide kMaxCohorts evenly so that each cohort has an equal
- // probability of being assigned users.
- int num_cohorts;
-
- // The number of bytes stored in the Bloom filter.
- size_t bloom_filter_size_bytes;
- // The number of hash functions used in the Bloom filter.
- int bloom_filter_hash_function_count;
-
- // The level of noise to use.
- NoiseLevel noise_level;
-
- // The reporting level this metric is reported at.
- RecordingGroup recording_group;
-};
-
-namespace internal {
-
-const NoiseParameters kNoiseParametersForLevel[NUM_NOISE_LEVELS] = {
- // NO_NOISE
- {
- rappor::PROBABILITY_0 /* Fake data probability */,
- rappor::PROBABILITY_0 /* Fake one probability */,
- rappor::PROBABILITY_100 /* One coin probability */,
- rappor::PROBABILITY_0 /* Zero coin probability */,
- },
- // NORMAL_NOISE
- {
- rappor::PROBABILITY_50 /* Fake data probability */,
- rappor::PROBABILITY_50 /* Fake one probability */,
- rappor::PROBABILITY_75 /* One coin probability */,
- rappor::PROBABILITY_25 /* Zero coin probability */,
- },
- // SPARSE_NOISE
- {
- rappor::PROBABILITY_25 /* Fake data probability */,
- rappor::PROBABILITY_50 /* Fake one probability */,
- rappor::PROBABILITY_75 /* One coin probability */,
- rappor::PROBABILITY_25 /* Zero coin probability */,
- },
-};
-
-const RapporParameters kRapporParametersForType[NUM_RAPPOR_TYPES] = {
- // UMA_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 4 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::NORMAL_NOISE /* Noise level */,
- UMA_RAPPOR_GROUP /* Recording group */},
- // SAFEBROWSING_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 1 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::NORMAL_NOISE /* Noise level */,
- SAFEBROWSING_RAPPOR_GROUP /* Recording group */},
- // ETLD_PLUS_ONE_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 16 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::NORMAL_NOISE /* Noise level */,
- UMA_RAPPOR_GROUP /* Recording group */},
- // LOW_FREQUENCY_UMA_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 4 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::SPARSE_NOISE /* Noise level */,
- UMA_RAPPOR_GROUP /* Recording group */},
- // LOW_FREQUENCY_SAFEBROWSING_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 1 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::SPARSE_NOISE /* Noise level */,
- SAFEBROWSING_RAPPOR_GROUP /* Recording group */},
- // LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE
- {128 /* Num cohorts */,
- 16 /* Bloom filter size bytes */,
- 2 /* Bloom filter hash count */,
- rappor::SPARSE_NOISE /* Noise level */,
- UMA_RAPPOR_GROUP /* Recording group */},
-};
-
-} // namespace internal
-
-} // namespace rappor
-
-#endif // COMPONENTS_RAPPOR_RAPPOR_PARAMETERS_H_

Powered by Google App Engine
This is Rietveld 408576698