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1 // Copyright 2014 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 // Contains information collected by the RAPPOR (Randomized Aggregatable | |
6 // Privacy-Preserving Ordinal Responses) system. | |
7 // | |
8 // For a full description of the rappor metrics, see | |
9 // http://www.chromium.org/developers/design-documents/rappor | |
10 | |
11 syntax = "proto2"; | |
12 | |
13 option optimize_for = LITE_RUNTIME; | |
14 | |
15 package rappor; | |
16 | |
17 message RapporReports { | |
Alexei Svitkine (slow)
2014/02/11 16:59:06
Add a comment, including a "Next tag: 4" line.
Steven Holte
2014/02/11 22:08:14
Done.
| |
18 // Which version of the Rappor scheme generated these reports. | |
19 optional int32 version = 1; | |
20 | |
21 // Which cohort these reports belong to. The RAPPOR participants are | |
22 // partioned into cohorts in different ways, to allow better statistics and | |
23 // increased coverage. In particular, the cohort will serve to choose the | |
24 // hash functions used for Bloom-filter-based reports. | |
25 optional int32 cohort = 2; | |
26 | |
27 message Report { | |
Alexei Svitkine (slow)
2014/02/11 16:59:06
Probably a short comment explaining what each "rep
Steven Holte
2014/02/11 22:08:14
Done.
| |
28 // The name of the metric, hashed. | |
29 optional fixed64 name_hash = 1; | |
30 | |
31 // The sequence of bits produced by random coin flips in | |
32 // RapporMetric::GetReport(). For a complete description of RAPPOR | |
33 // metrics, refer to the design document at: | |
34 // http://www.chromium.org/developers/design-documents/rappor | |
35 optional bytes bits = 2; | |
36 } | |
37 repeated Report report = 3; | |
38 } | |
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