1 /*
2  * Copyright (C) 2024 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 <optional>
20 #include <variant>
21 #include <vector>
22 
23 #include "guardrail/StatsdStats.h"
24 #include "src/statsd_config.pb.h"
25 #include "stats_util.h"
26 
27 namespace android {
28 namespace os {
29 namespace statsd {
30 
31 constexpr float UNDERFLOW_BIN_START = std::numeric_limits<float>::min();
32 
33 using ParseHistogramBinConfigsResult =
34         std::variant<std::vector<std::optional<const BinStarts>>, InvalidConfigReason>;
35 
36 ParseHistogramBinConfigsResult parseHistogramBinConfigs(
37         const ValueMetric& valueMetric,
38         const std::vector<ValueMetric::AggregationType>& aggregationTypes);
39 
40 }  // namespace statsd
41 }  // namespace os
42 }  // namespace android
43