TimedAttempt.cpp

/*
  This file is part of the Arduino_SecureElement library.

  Copyright (c) 2024 Arduino SA

  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/

/******************************************************************************
 * INCLUDE
 ******************************************************************************/

#include <Arduino.h>
#include "TimedAttempt.h"

/******************************************************************************
 * CTOR/DTOR
 ******************************************************************************/

TimedAttempt::TimedAttempt(unsigned long minDelay, unsigned long maxDelay)
: _minDelay(minDelay)
, _maxDelay(maxDelay) {
}

/******************************************************************************
 * PUBLIC MEMBER FUNCTIONS
 ******************************************************************************/

void TimedAttempt::begin(unsigned long delay) {
  _retryCount = 0;
  _minDelay = delay;
  _maxDelay = delay;
}

void TimedAttempt::begin(unsigned long minDelay, unsigned long maxDelay) {
  _retryCount = 0;
  _minDelay = minDelay;
  _maxDelay = maxDelay;
}

unsigned long TimedAttempt::reconfigure(unsigned long minDelay, unsigned long maxDelay) {
  _minDelay = minDelay;
  _maxDelay = maxDelay;
  return reload();
}

unsigned long TimedAttempt::retry() {
  _retryCount++;
  return reload();
}

unsigned long TimedAttempt::reload() {
  unsigned long retryDelay = (1 << _retryCount) * _minDelay;
  _retryDelay = min(retryDelay, _maxDelay);
  _nextRetryTick = millis() + _retryDelay;
  return _retryDelay;
}

void TimedAttempt::reset() {
  _retryCount = 0;
}

bool TimedAttempt::isRetry() {
  return _retryCount > 0;
}

bool TimedAttempt::isExpired() {
  return millis() > _nextRetryTick;
}

unsigned int TimedAttempt::getRetryCount() {
  return _retryCount;
}

unsigned int TimedAttempt::getWaitTime() {
  return _retryDelay;
}