1 // Copyright (C) 2021 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <ctime>
18 #include <vector>
19 
20 #include <ditto/timespec_utils.h>
21 
22 namespace dittosuite {
23 
24 template <class T>
25 class Sampler {
26  public:
GetSamples()27   std::vector<T> GetSamples() const { return samples_; }
28 
29  protected:
30   std::vector<T> samples_;
31 };
32 
33 class TimeSampler : public Sampler<timespec> {
34  public:
35   void MeasureStart();
36   void MeasureEnd();
37 
38  private:
39   timespec start_;
40   timespec end_;
41 };
42 
43 class BandwidthSampler : public Sampler<double> {
44  public:
45   void Measure(size_t file_size, const timespec& duration);
46 };
47 
48 }  // namespace dittosuite
49