1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #pragma once
18
19 #include <android-modules-utils/sdk_level.h>
20
21 #include <unordered_map>
22
23 #include "HashableDimensionKey.h"
24
25 namespace android {
26 namespace os {
27 namespace statsd {
28
29 // Possible update states for a component. PRESERVE means we should keep the existing one.
30 // REPLACE means we should create a new one because the existing one changed
31 // NEW means we should create a new one because one does not currently exist.
32 enum UpdateStatus {
33 UPDATE_UNKNOWN = 0,
34 UPDATE_PRESERVE = 1,
35 UPDATE_REPLACE = 2,
36 UPDATE_NEW = 3,
37 };
38
39 const HashableDimensionKey DEFAULT_DIMENSION_KEY = HashableDimensionKey();
40 const MetricDimensionKey DEFAULT_METRIC_DIMENSION_KEY = MetricDimensionKey();
41
42 typedef std::map<int64_t, HashableDimensionKey> ConditionKey;
43
44 typedef std::unordered_map<MetricDimensionKey, int64_t> DimToValMap;
45
46 using ConditionLinks = google::protobuf::RepeatedPtrField<MetricConditionLink>;
47
48 using StateLinks = google::protobuf::RepeatedPtrField<MetricStateLink>;
49
50 struct Empty {};
51
isAtLeastS()52 inline bool isAtLeastS() {
53 const static bool isAtLeastS = android::modules::sdklevel::IsAtLeastS();
54 return isAtLeastS;
55 }
56
isAtLeastU()57 inline bool isAtLeastU() {
58 const static bool isAtLeastU = android::modules::sdklevel::IsAtLeastU();
59 return isAtLeastU;
60 }
61
shouldKeepRandomSample(int samplingPercentage)62 inline bool shouldKeepRandomSample(int samplingPercentage) {
63 return (rand() % (100) + 1) <= samplingPercentage;
64 }
65
66 } // namespace statsd
67 } // namespace os
68 } // namespace android
69