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From joshelser <...@git.apache.org>
Subject [GitHub] accumulo pull request #242: ACCUMULO-2181/3005 REST API and new Monitor UI
Date Thu, 06 Apr 2017 04:35:52 GMT
Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/242#discussion_r110076794
  
    --- Diff: server/monitor/src/main/resources/resources/functions.js ---
    @@ -0,0 +1,686 @@
    +/*
    +* Licensed to the Apache Software Foundation (ASF) under one or more
    +* contributor license agreements.  See the NOTICE file distributed with
    +* this work for additional information regarding copyright ownership.
    +* The ASF licenses this file to You 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
    +*
    +*     http://www.apache.org/licenses/LICENSE-2.0
    +*
    +* 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.
    +*/
    +
    +// Suffixes for quantity
    +var QUANTITY_SUFFIX = ['', 'K', 'M', 'B', 'T', 'e15', 'e18', 'e21'];
    +// Suffixes for size
    +var SIZE_SUFFIX = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z'];
    +
    +/**
    + * Initializes Auto Refresh to false if it is not set,
    + * and creates listeners for auto refresh
    + */
    +function setupAutoRefresh() {
    +  // Sets auto refresh to true or false
    +  if (!sessionStorage.autoRefresh) {
    +    sessionStorage.autoRefresh = 'false';
    +  }
    +  // Need this to set the initial value for the autorefresh on page load
    +  if (sessionStorage.autoRefresh == 'false') {
    +    $('.auto-refresh').parent().removeClass('active');
    +  } else {
    +    $('.auto-refresh').parent().addClass('active');
    +  }
    +  // Initializes the auto refresh on click listener
    +  $('.auto-refresh').click(function(e) {
    +    if ($(this).parent().attr('class') == 'active') {
    +      $(this).parent().removeClass('active');
    +      sessionStorage.autoRefresh = 'false';
    +    } else {
    +      $(this).parent().addClass('active');
    +      sessionStorage.autoRefresh = 'true';
    +    }
    +  });
    +}
    +
    +/**
    + * Global timer that checks for auto refresh status every 5 seconds
    + */
    +TIMER = setInterval(function() {
    +  if (sessionStorage.autoRefresh == 'true') {
    +    $('.auto-refresh').parent().addClass('active');
    +    refresh();
    +    refreshNavBar();
    +  } else {
    +    $('.auto-refresh').parent().removeClass('active');
    +  }
    +}, 5000);
    +
    +/**
    + * Empty function in case there is no refresh implementation
    + */
    +function refresh() {
    +}
    +
    +/**
    + * Converts a number to a size with suffix
    + *
    + * @param {number} size Number to convert
    + * @return {string} Number with suffix added
    + */
    +function bigNumberForSize(size) {
    +  if (size === null)
    +    size = 0;
    +  return bigNumber(size, SIZE_SUFFIX, 1024);
    +}
    +
    +/**
    + * Converts a number to a quantity with suffix
    + *
    + * @param {number} quantity Number to convert
    + * @return {string} Number with suffix added
    + */
    +function bigNumberForQuantity(quantity) {
    +  if (quantity === null)
    +    quantity = 0;
    +  return bigNumber(quantity, QUANTITY_SUFFIX, 1000);
    +}
    +
    +/**
    + * Adds the suffix to the number, converts the number to one close to the base
    + *
    + * @param {number} big Number to convert
    + * @param {array} suffixes Suffixes to use for convertion
    + * @param {number} base Base to use for convertion
    + * @return {string} The new value with the suffix
    + */
    +function bigNumber(big, suffixes, base) {
    +  // If the number is smaller than the base, return thee number with no suffix
    +  if (big < base) {
    +    return big + suffixes[0];
    +  }
    +  // Finds which suffix to use
    +  var exp = Math.floor(Math.log(big) / Math.log(base));
    +  // Divides the bumber by the equivalent suffix number
    +  var val = big / Math.pow(base, exp);
    +  // Keeps the number to 2 decimal places and adds the suffix
    +  return val.toFixed(2) + suffixes[exp];
    +}
    +
    +/**
    + * Converts the time to short number and adds unit
    + *
    + * @param {number} time Time in microseconds
    + * @return {string} The time with units
    + */
    +function timeDuration(time) {
    +  var ms, sec, min, hr, day, yr;
    +  ms = sec = min = hr = day = yr = -1;
    +
    +  time = Math.floor(time);
    +
    +  // If time is 0 return a dash
    +  if (time == 0) {
    +    return '&mdash;';
    +  }
    +
    +  // Obtains the milliseconds, if time is 0, return milliseconds, and units
    +  ms = time % 1000;
    +  time = Math.floor(time / 1000);
    +  if (time == 0) {
    +    return ms + 'ms';
    +  }
    +
    +  // Obtains the seconds, if time is 0, return seconds, milliseconds, and units
    +  sec = time % 60;
    +  time = Math.floor(time / 60);
    +  if (time == 0) {
    +    return sec + 's' + '&nbsp;' + ms + 'ms';
    +  }
    +
    +  // Obtains the minutes, if time is 0, return minutes, seconds, and units
    +  min = time % 60;
    +  time = Math.floor(time / 60);
    +  if (time == 0) {
    +    return min + 'm' + '&nbsp;' + sec + 's';
    --- End diff --
    
    tsk, mixing backend work with presentation logic! ;)


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