blob: 9832397b925ec54054e736ee678fab54b33e1797 [file] [log] [blame]
// Copyright 2022 The Pigweed Authors
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once
#include <chrono>
#include <cstdint>
#include <optional>
#include "pw_chrono/system_clock.h"
namespace pw::transfer {
class RateEstimate {
constexpr RateEstimate() : start_time_(std::nullopt), bytes_transferred_(0) {}
void Reset() {
start_time_ = chrono::SystemClock::now();
bytes_transferred_ = 0;
constexpr void Update(size_t new_bytes) { bytes_transferred_ += new_bytes; }
size_t GetRateBytesPerSecond() const;
std::optional<chrono::SystemClock::time_point> start_time_;
size_t bytes_transferred_;
} // namespace pw::transfer