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RobotWebTools / rclnodejs / 14850939126

06 May 2025 03:22AM UTC coverage: 84.854% (-0.2%) from 85.076%
14850939126

Pull #1119

github

web-flow
Merge 235cb8c79 into eab439d5b
Pull Request #1119: Disable methods not supported by humble

714 of 934 branches covered (76.45%)

Branch coverage included in aggregate %.

5 of 11 new or added lines in 2 files covered. (45.45%)

1751 of 1971 relevant lines covered (88.84%)

1100.94 hits per line

Source File
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86.36
/lib/timer.js
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// Copyright (c) 2017 Intel Corporation. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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const rclnodejs = require('bindings')('rclnodejs');
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const DistroUtils = require('./distro.js');
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/**
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 * @class - Class representing a Timer in ROS
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 * @hideconstructor
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 */
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class Timer {
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  constructor(handle, period, callback) {
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    this._handle = handle;
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    this._period = period;
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    this.callback = callback;
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  }
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  /**
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   * @type {bigint} - The period of the timer in nanoseconds.
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   */
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  get period() {
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    return this._period;
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  }
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  get handle() {
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    return this._handle;
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  }
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  /**
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   * Check if the timer is ready.
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   * @return {boolean} Return true if timer is ready, otherwise return false.
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   */
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  isReady() {
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    return rclnodejs.isTimerReady(this._handle);
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  }
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  /**
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   * Check if the timer is canceled.
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   * @return {boolean} Return true if timer is canceled, otherwise return false.
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   */
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  isCanceled() {
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    return rclnodejs.isTimerCanceled(this._handle);
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  }
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  /**
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   * Cancel the timer.
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   * @return {undefined}
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   */
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  cancel() {
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    rclnodejs.cancelTimer(this._handle);
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  }
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  /**
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   * Reset the timer.
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   * @return {undefined}
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   */
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  reset() {
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    rclnodejs.resetTimer(this._handle);
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  }
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  /**
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   * Get the interval since the last call of this timer.
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   * @return {bigint} - the interval value in nanoseconds.
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   */
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  timeSinceLastCall() {
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    return rclnodejs.timerGetTimeSinceLastCall(this._handle);
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  }
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  /**
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   * Get the interval until the next call will happen.
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   * @return {bigint} - the interval value in nanoseconds.
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   */
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  timeUntilNextCall() {
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    return rclnodejs.timerGetTimeUntilNextCall(this._handle);
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  }
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  /**
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   * Change the timer period.
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   * @param {bigint} period - The new period in nanoseconds.
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   * @return {undefined}
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   */
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  changeTimerPeriod(period) {
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    rclnodejs.changeTimerPeriod(this._handle, period);
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  }
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  /**
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   * Get the timer period.
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   * @return {bigint} - The period in nanoseconds.
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   */
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  get timerPeriod() {
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    return rclnodejs.getTimerPeriod(this._handle);
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  }
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  /**
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   * Call a timer and starts counting again, retrieves actual and expected call time.
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   * @return {object} - The timer information.
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   */
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  callTimerWithInfo() {
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    if (DistroUtils.getDistroId() <= DistroUtils.getDistroId('humble')) {
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      console.warn(
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        'callTimerWithInfo is not supported by this version of ROS 2'
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      );
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      return;
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    }
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    return rclnodejs.callTimerWithInfo(this._handle);
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  }
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}
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module.exports = Timer;
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