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Diffstat (limited to 'web/gui/dashboard/dashboard.js')
| -rw-r--r-- | web/gui/dashboard/dashboard.js | 10340 |
1 files changed, 10340 insertions, 0 deletions
diff --git a/web/gui/dashboard/dashboard.js b/web/gui/dashboard/dashboard.js new file mode 100644 index 00000000..f9c2aac5 --- /dev/null +++ b/web/gui/dashboard/dashboard.js @@ -0,0 +1,10340 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +// DO NOT EDIT: This file is automatically generated from the source files in src/ + +// ---------------------------------------------------------------------------- +// You can set the following variables before loading this script: + +// 'use strict'; + +/*global netdataNoDygraphs *//* boolean, disable dygraph charts + * (default: false) */ +/*global netdataNoSparklines *//* boolean, disable sparkline charts + * (default: false) */ +/*global netdataNoPeitys *//* boolean, disable peity charts + * (default: false) */ +/*global netdataNoGoogleCharts *//* boolean, disable google charts + * (default: false) */ +/*global netdataNoMorris *//* boolean, disable morris charts + * (default: false) */ +/*global netdataNoEasyPieChart *//* boolean, disable easypiechart charts + * (default: false) */ +/*global netdataNoGauge *//* boolean, disable gauge.js charts + * (default: false) */ +/*global netdataNoD3 *//* boolean, disable d3 charts + * (default: false) */ +/*global netdataNoC3 *//* boolean, disable c3 charts + * (default: false) */ +/*global netdataNoD3pie *//* boolean, disable d3pie charts + * (default: false) */ +/*global netdataNoBootstrap *//* boolean, disable bootstrap - disables help too + * (default: false) */ +/*global netdataNoFontAwesome *//* boolean, disable fontawesome (do not load it) + * (default: false) */ +/*global netdataIcons *//* object, overwrite netdata fontawesome icons + * (default: null) */ +/*global netdataDontStart *//* boolean, do not start the thread to process the charts + * (default: false) */ +/*global netdataErrorCallback *//* function, callback to be called when the dashboard encounters an error + * (default: null) */ +/*global netdataRegistry:true *//* boolean, use the netdata registry + * (default: false) */ +/*global netdataNoRegistry *//* boolean, included only for compatibility with existing custom dashboard + * (obsolete - do not use this any more) */ +/*global netdataRegistryCallback *//* function, callback that will be invoked with one param: the URLs from the registry + * (default: null) */ +/*global netdataShowHelp:true *//* boolean, disable charts help + * (default: true) */ +/*global netdataShowAlarms:true *//* boolean, enable alarms checks and notifications + * (default: false) */ +/*global netdataRegistryAfterMs:true *//* ms, delay registry use at started + * (default: 1500) */ +/*global netdataCallback *//* function, callback to be called when netdata is ready to start + * (default: null) + * netdata will be running while this is called + * (call NETDATA.pause to stop it) */ +/*global netdataPrepCallback *//* function, callback to be called before netdata does anything else + * (default: null) */ +/*global netdataServer *//* string, the URL of the netdata server to use + * (default: the URL the page is hosted at) */ +/*global netdataServerStatic *//* string, the URL of the netdata server to use for static files + * (default: netdataServer) */ +/*global netdataSnapshotData *//* object, a netdata snapshot loaded + * (default: null) */ +/*global netdataAlarmsRecipients *//* array, an array of alarm recipients to show notifications for + * (default: null) */ +/*global netdataAlarmsRemember *//* boolen, keep our position in the alarm log at browser local storage + * (default: true) */ +/*global netdataAlarmsActiveCallback *//* function, a hook for the alarm logs + * (default: undefined) */ +/*global netdataAlarmsNotifCallback *//* function, a hook for alarm notifications + * (default: undefined) */ +/*global netdataIntersectionObserver *//* boolean, enable or disable the use of intersection observer + * (default: true) */ +/*global netdataCheckXSS *//* boolean, enable or disable checking for XSS issues + * (default: false) */ + +// ---------------------------------------------------------------------------- +// global namespace + +// Should stay var! +var NETDATA = window.NETDATA || {}; + +(function(window, document, $, undefined) { + +// *** src/dashboard.js/utils.js + +NETDATA.name2id = function (s) { + return s + .replace(/ /g, '_') + .replace(/:/g, '_') + .replace(/\(/g, '_') + .replace(/\)/g, '_') + .replace(/\./g, '_') + .replace(/\//g, '_'); +}; + +NETDATA.encodeURIComponent = function (s) { + if (typeof(s) === 'string') { + return encodeURIComponent(s); + } + + return s; +}; + +/// A heuristic for detecting slow devices. +let isSlowDeviceResult = undefined; +const isSlowDevice = function () { + if (!isSlowDeviceResult) { + return isSlowDeviceResult; + } + + try { + let ua = navigator.userAgent.toLowerCase(); + + let iOS = /ipad|iphone|ipod/.test(ua) && !window.MSStream; + let android = /android/.test(ua) && !window.MSStream; + isSlowDeviceResult = (iOS || android); + } catch (e) { + isSlowDeviceResult = false; + } + + return isSlowDeviceResult; +}; + +NETDATA.guid = function () { + function s4() { + return Math.floor((1 + Math.random()) * 0x10000) + .toString(16) + .substring(1); + } + + return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4(); +}; + +NETDATA.zeropad = function (x) { + if (x > -10 && x < 10) { + return '0' + x.toString(); + } else { + return x.toString(); + } +}; + +NETDATA.seconds4human = function (seconds, options) { + let defaultOptions = { + now: 'now', + space: ' ', + negative_suffix: 'ago', + day: 'day', + days: 'days', + hour: 'hour', + hours: 'hours', + minute: 'min', + minutes: 'mins', + second: 'sec', + seconds: 'secs', + and: 'and' + }; + + if (typeof options !== 'object') { + options = defaultOptions; + } else { + for (var x in defaultOptions) { + if (typeof options[x] !== 'string') { + options[x] = defaultOptions[x]; + } + } + } + + if (typeof seconds === 'string') { + seconds = parseInt(seconds, 10); + } + + if (seconds === 0) { + return options.now; + } + + let suffix = ''; + if (seconds < 0) { + seconds = -seconds; + if (options.negative_suffix !== '') { + suffix = options.space + options.negative_suffix; + } + } + + let days = Math.floor(seconds / 86400); + seconds -= (days * 86400); + + let hours = Math.floor(seconds / 3600); + seconds -= (hours * 3600); + + let minutes = Math.floor(seconds / 60); + seconds -= (minutes * 60); + + let strings = []; + + if (days > 1) { + strings.push(days.toString() + options.space + options.days); + } else if (days === 1) { + strings.push(days.toString() + options.space + options.day); + } + + if (hours > 1) { + strings.push(hours.toString() + options.space + options.hours); + } else if (hours === 1) { + strings.push(hours.toString() + options.space + options.hour); + } + + if (minutes > 1) { + strings.push(minutes.toString() + options.space + options.minutes); + } else if (minutes === 1) { + strings.push(minutes.toString() + options.space + options.minute); + } + + if (seconds > 1) { + strings.push(Math.floor(seconds).toString() + options.space + options.seconds); + } else if (seconds === 1) { + strings.push(Math.floor(seconds).toString() + options.space + options.second); + } + + if (strings.length === 1) { + return strings.pop() + suffix; + } + + let last = strings.pop(); + return strings.join(", ") + " " + options.and + " " + last + suffix; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// element data attributes + +NETDATA.dataAttribute = function (element, attribute, def) { + let key = 'data-' + attribute.toString(); + if (element.hasAttribute(key)) { + let data = element.getAttribute(key); + + if (data === 'true') { + return true; + } + if (data === 'false') { + return false; + } + if (data === 'null') { + return null; + } + + // Only convert to a number if it doesn't change the string + if (data === +data + '') { + return +data; + } + + if (/^(?:\{[\w\W]*\}|\[[\w\W]*\])$/.test(data)) { + return JSON.parse(data); + } + + return data; + } else { + return def; + } +}; + +NETDATA.dataAttributeBoolean = function (element, attribute, def) { + let value = NETDATA.dataAttribute(element, attribute, def); + + if (value === true || value === false) // gmosx: Love this :) + { + return value; + } + + if (typeof(value) === 'string') { + if (value === 'yes' || value === 'on') { + return true; + } + + if (value === '' || value === 'no' || value === 'off' || value === 'null') { + return false; + } + + return def; + } + + if (typeof(value) === 'number') { + return value !== 0; + } + + return def; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// fast numbers formatting + +NETDATA.fastNumberFormat = { + formattersFixed: [], + formattersZeroBased: [], + + // this is the fastest and the preferred + getIntlNumberFormat: function (min, max) { + let key = max; + if (min === max) { + if (typeof this.formattersFixed[key] === 'undefined') { + this.formattersFixed[key] = new Intl.NumberFormat(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + + return this.formattersFixed[key]; + } else if (min === 0) { + if (typeof this.formattersZeroBased[key] === 'undefined') { + this.formattersZeroBased[key] = new Intl.NumberFormat(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + + return this.formattersZeroBased[key]; + } else { + // this is never used + // it is added just for completeness + return new Intl.NumberFormat(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + }, + + // this respects locale + getLocaleString: function (min, max) { + let key = max; + if (min === max) { + if (typeof this.formattersFixed[key] === 'undefined') { + this.formattersFixed[key] = { + format: function (value) { + return value.toLocaleString(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + }; + } + + return this.formattersFixed[key]; + } else if (min === 0) { + if (typeof this.formattersZeroBased[key] === 'undefined') { + this.formattersZeroBased[key] = { + format: function (value) { + return value.toLocaleString(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + }; + } + + return this.formattersZeroBased[key]; + } else { + return { + format: function (value) { + return value.toLocaleString(undefined, { + // style: 'decimal', + // minimumIntegerDigits: 1, + // minimumSignificantDigits: 1, + // maximumSignificantDigits: 1, + useGrouping: true, + minimumFractionDigits: min, + maximumFractionDigits: max + }); + } + }; + } + }, + + // the fallback + getFixed: function (min, max) { + let key = max; + if (min === max) { + if (typeof this.formattersFixed[key] === 'undefined') { + this.formattersFixed[key] = { + format: function (value) { + if (value === 0) { + return "0"; + } + return value.toFixed(max); + } + }; + } + + return this.formattersFixed[key]; + } else if (min === 0) { + if (typeof this.formattersZeroBased[key] === 'undefined') { + this.formattersZeroBased[key] = { + format: function (value) { + if (value === 0) { + return "0"; + } + return value.toFixed(max); + } + }; + } + + return this.formattersZeroBased[key]; + } else { + return { + format: function (value) { + if (value === 0) { + return "0"; + } + return value.toFixed(max); + } + }; + } + }, + + testIntlNumberFormat: function () { + let value = 1.12345; + let e1 = "1.12", e2 = "1,12"; + let s = ""; + + try { + let x = new Intl.NumberFormat(undefined, { + useGrouping: true, + minimumFractionDigits: 2, + maximumFractionDigits: 2 + }); + + s = x.format(value); + } catch (e) { + s = ""; + } + + // console.log('NumberFormat: ', s); + return (s === e1 || s === e2); + }, + + testLocaleString: function () { + let value = 1.12345; + let e1 = "1.12", e2 = "1,12"; + let s = ""; + + try { + s = value.toLocaleString(undefined, { + useGrouping: true, + minimumFractionDigits: 2, + maximumFractionDigits: 2 + }); + } catch (e) { + s = ""; + } + + // console.log('localeString: ', s); + return (s === e1 || s === e2); + }, + + // on first run we decide which formatter to use + get: function (min, max) { + if (this.testIntlNumberFormat()) { + // console.log('numberformat'); + this.get = this.getIntlNumberFormat; + } else if (this.testLocaleString()) { + // console.log('localestring'); + this.get = this.getLocaleString; + } else { + // console.log('fixed'); + this.get = this.getFixed; + } + return this.get(min, max); + } +}; + +// ---------------------------------------------------------------------------------------------------------------- +// Detect the netdata server + +// http://stackoverflow.com/questions/984510/what-is-my-script-src-url +// http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url +NETDATA._scriptSource = function () { + let script = null; + + if (typeof document.currentScript !== 'undefined') { + script = document.currentScript; + } else { + const all_scripts = document.getElementsByTagName('script'); + script = all_scripts[all_scripts.length - 1]; + } + + if (typeof script.getAttribute.length !== 'undefined') { + script = script.src; + } else { + script = script.getAttribute('src', -1); + } + + return script; +}; + +// *** src/dashboard.js/server-detection.js + +if (typeof netdataServer !== 'undefined') { + NETDATA.serverDefault = netdataServer; +} else { + let s = NETDATA._scriptSource(); + if (s) { + NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)?$/g, ""); + } else { + console.log('WARNING: Cannot detect the URL of the netdata server.'); + NETDATA.serverDefault = null; + } +} + +if (NETDATA.serverDefault === null) { + NETDATA.serverDefault = ''; +} else if (NETDATA.serverDefault.slice(-1) !== '/') { + NETDATA.serverDefault += '/'; +} + +if (typeof netdataServerStatic !== 'undefined' && netdataServerStatic !== null && netdataServerStatic !== '') { + NETDATA.serverStatic = netdataServerStatic; + if (NETDATA.serverStatic.slice(-1) !== '/') { + NETDATA.serverStatic += '/'; + } +} else { + NETDATA.serverStatic = NETDATA.serverDefault; +} + +// *** src/dashboard.js/dependencies.js + +// default URLs for all the external files we need +// make them RELATIVE so that the whole thing can also be +// installed under a web server +NETDATA.jQuery = NETDATA.serverStatic + 'lib/jquery-2.2.4.min.js'; +NETDATA.peity_js = NETDATA.serverStatic + 'lib/jquery.peity-3.2.0.min.js'; +NETDATA.sparkline_js = NETDATA.serverStatic + 'lib/jquery.sparkline-2.1.2.min.js'; +NETDATA.easypiechart_js = NETDATA.serverStatic + 'lib/jquery.easypiechart-97b5824.min.js'; +NETDATA.gauge_js = NETDATA.serverStatic + 'lib/gauge-1.3.2.min.js'; +NETDATA.dygraph_js = NETDATA.serverStatic + 'lib/dygraph-c91c859.min.js'; +NETDATA.dygraph_smooth_js = NETDATA.serverStatic + 'lib/dygraph-smooth-plotter-c91c859.js'; +// NETDATA.raphael_js = NETDATA.serverStatic + 'lib/raphael-2.2.4-min.js'; +// NETDATA.c3_js = NETDATA.serverStatic + 'lib/c3-0.4.18.min.js'; +// NETDATA.c3_css = NETDATA.serverStatic + 'css/c3-0.4.18.min.css'; +NETDATA.d3pie_js = NETDATA.serverStatic + 'lib/d3pie-0.2.1-netdata-3.js'; +NETDATA.d3_js = NETDATA.serverStatic + 'lib/d3-4.12.2.min.js'; +// NETDATA.morris_js = NETDATA.serverStatic + 'lib/morris-0.5.1.min.js'; +// NETDATA.morris_css = NETDATA.serverStatic + 'css/morris-0.5.1.css'; +NETDATA.google_js = 'https://www.google.com/jsapi'; +// Error Handling + +NETDATA.errorCodes = { + 100: {message: "Cannot load chart library", alert: true}, + 101: {message: "Cannot load jQuery", alert: true}, + 402: {message: "Chart library not found", alert: false}, + 403: {message: "Chart library not enabled/is failed", alert: false}, + 404: {message: "Chart not found", alert: false}, + 405: {message: "Cannot download charts index from server", alert: true}, + 406: {message: "Invalid charts index downloaded from server", alert: true}, + 407: {message: "Cannot HELLO netdata server", alert: false}, + 408: {message: "Netdata servers sent invalid response to HELLO", alert: false}, + 409: {message: "Cannot ACCESS netdata registry", alert: false}, + 410: {message: "Netdata registry ACCESS failed", alert: false}, + 411: {message: "Netdata registry server send invalid response to DELETE ", alert: false}, + 412: {message: "Netdata registry DELETE failed", alert: false}, + 413: {message: "Netdata registry server send invalid response to SWITCH ", alert: false}, + 414: {message: "Netdata registry SWITCH failed", alert: false}, + 415: {message: "Netdata alarms download failed", alert: false}, + 416: {message: "Netdata alarms log download failed", alert: false}, + 417: {message: "Netdata registry server send invalid response to SEARCH ", alert: false}, + 418: {message: "Netdata registry SEARCH failed", alert: false} +}; + +NETDATA.errorLast = { + code: 0, + message: "", + datetime: 0 +}; + +NETDATA.error = function (code, msg) { + NETDATA.errorLast.code = code; + NETDATA.errorLast.message = msg; + NETDATA.errorLast.datetime = Date.now(); + + console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg); + + let ret = true; + if (typeof netdataErrorCallback === 'function') { + ret = netdataErrorCallback('system', code, msg); + } + + if (ret && NETDATA.errorCodes[code].alert) { + alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg); + } +}; + +NETDATA.errorReset = function () { + NETDATA.errorLast.code = 0; + NETDATA.errorLast.message = "You are doing fine!"; + NETDATA.errorLast.datetime = 0; +}; +// *** src/dashboard.js/compatibility.js + +// Compatibility fixes. + +// fix IE issue with console +if (!window.console) { + window.console = { + log: function () { + } + }; +} + +// if string.endsWith is not defined, define it +if (typeof String.prototype.endsWith !== 'function') { + String.prototype.endsWith = function (s) { + if (s.length > this.length) { + return false; + } + return this.slice(-s.length) === s; + }; +} + +// if string.startsWith is not defined, define it +if (typeof String.prototype.startsWith !== 'function') { + String.prototype.startsWith = function (s) { + if (s.length > this.length) { + return false; + } + return this.slice(s.length) === s; + }; +} +// ---------------------------------------------------------------------------------------------------------------- +// XSS checks + +NETDATA.xss = { + enabled: (typeof netdataCheckXSS === 'undefined') ? false : netdataCheckXSS, + enabled_for_data: (typeof netdataCheckXSS === 'undefined') ? false : netdataCheckXSS, + + string: function (s) { + return s.toString() + .replace(/</g, '<') + .replace(/>/g, '>') + .replace(/"/g, '"') + .replace(/'/g, '''); + }, + + object: function (name, obj, ignore_regex) { + if (typeof ignore_regex !== 'undefined' && ignore_regex.test(name)) { + // console.log('XSS: ignoring "' + name + '"'); + return obj; + } + + switch (typeof(obj)) { + case 'string': + const ret = this.string(obj); + if (ret !== obj) { + console.log('XSS protection changed string ' + name + ' from "' + obj + '" to "' + ret + '"'); + } + return ret; + + case 'object': + if (obj === null) { + return obj; + } + + if (Array.isArray(obj)) { + // console.log('checking array "' + name + '"'); + + let len = obj.length; + while (len--) { + obj[len] = this.object(name + '[' + len + ']', obj[len], ignore_regex); + } + } else { + // console.log('checking object "' + name + '"'); + + for (var i in obj) { + if (obj.hasOwnProperty(i) === false) { + continue; + } + if (this.string(i) !== i) { + console.log('XSS protection removed invalid object member "' + name + '.' + i + '"'); + delete obj[i]; + } else { + obj[i] = this.object(name + '.' + i, obj[i], ignore_regex); + } + } + } + return obj; + + default: + return obj; + } + }, + + checkOptional: function (name, obj, ignore_regex) { + if (this.enabled) { + //console.log('XSS: checking optional "' + name + '"...'); + return this.object(name, obj, ignore_regex); + } + return obj; + }, + + checkAlways: function (name, obj, ignore_regex) { + //console.log('XSS: checking always "' + name + '"...'); + return this.object(name, obj, ignore_regex); + }, + + checkData: function (name, obj, ignore_regex) { + if (this.enabled_for_data) { + //console.log('XSS: checking data "' + name + '"...'); + return this.object(name, obj, ignore_regex); + } + return obj; + } +}; +NETDATA.colorHex2Rgb = function (hex) { + // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") + let shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; + hex = hex.replace(shorthandRegex, function (m, r, g, b) { + return r + r + g + g + b + b; + }); + + let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); + return result ? { + r: parseInt(result[1], 16), + g: parseInt(result[2], 16), + b: parseInt(result[3], 16) + } : null; +}; + +NETDATA.colorLuminance = function (hex, lum) { + // validate hex string + hex = String(hex).replace(/[^0-9a-f]/gi, ''); + if (hex.length < 6) { + hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; + } + + lum = lum || 0; + + // convert to decimal and change luminosity + let rgb = "#"; + for (let i = 0; i < 3; i++) { + let c = parseInt(hex.substr(i * 2, 2), 16); + c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16); + rgb += ("00" + c).substr(c.length); + } + + return rgb; +}; +NETDATA.unitsConversion = { + keys: {}, // keys for data-common-units + latest: {}, // latest selected units for data-common-units + + globalReset: function () { + this.keys = {}; + this.latest = {}; + }, + + scalableUnits: { + 'packets/s': { + 'pps': 1, + 'Kpps': 1000, + 'Mpps': 1000000 + }, + 'pps': { + 'pps': 1, + 'Kpps': 1000, + 'Mpps': 1000000 + }, + 'kilobits/s': { + 'bits/s': 1 / 1000, + 'kilobits/s': 1, + 'megabits/s': 1000, + 'gigabits/s': 1000000, + 'terabits/s': 1000000000 + }, + 'bytes/s': { + 'bytes/s': 1, + 'kilobytes/s': 1024, + 'megabytes/s': 1024 * 1024, + 'gigabytes/s': 1024 * 1024 * 1024, + 'terabytes/s': 1024 * 1024 * 1024 * 1024 + }, + 'kilobytes/s': { + 'bytes/s': 1 / 1024, + 'kilobytes/s': 1, + 'megabytes/s': 1024, + 'gigabytes/s': 1024 * 1024, + 'terabytes/s': 1024 * 1024 * 1024 + }, + 'B/s': { + 'B/s': 1, + 'KiB/s': 1024, + 'MiB/s': 1024 * 1024, + 'GiB/s': 1024 * 1024 * 1024, + 'TiB/s': 1024 * 1024 * 1024 * 1024 + }, + 'KB/s': { + 'B/s': 1 / 1024, + 'KB/s': 1, + 'MB/s': 1024, + 'GB/s': 1024 * 1024, + 'TB/s': 1024 * 1024 * 1024 + }, + 'KiB/s': { + 'B/s': 1 / 1024, + 'KiB/s': 1, + 'MiB/s': 1024, + 'GiB/s': 1024 * 1024, + 'TiB/s': 1024 * 1024 * 1024 + }, + 'bytes': { + 'bytes': 1, + 'kilobytes': 1024, + 'megabytes': 1024 * 1024, + 'gigabytes': 1024 * 1024 * 1024, + 'terabytes': 1024 * 1024 * 1024 * 1024 + }, + 'B': { + 'B': 1, + 'KiB': 1024, + 'MiB': 1024 * 1024, + 'GiB': 1024 * 1024 * 1024, + 'TiB': 1024 * 1024 * 1024 * 1024, + 'PiB': 1024 * 1024 * 1024 * 1024 * 1024 + }, + 'KB': { + 'B': 1 / 1024, + 'KB': 1, + 'MB': 1024, + 'GB': 1024 * 1024, + 'TB': 1024 * 1024 * 1024 + }, + 'KiB': { + 'B': 1 / 1024, + 'KiB': 1, + 'MiB': 1024, + 'GiB': 1024 * 1024, + 'TiB': 1024 * 1024 * 1024 + }, + 'MB': { + 'B': 1 / (1024 * 1024), + 'KB': 1 / 1024, + 'MB': 1, + 'GB': 1024, + 'TB': 1024 * 1024, + 'PB': 1024 * 1024 * 1024 + }, + 'MiB': { + 'B': 1 / (1024 * 1024), + 'KiB': 1 / 1024, + 'MiB': 1, + 'GiB': 1024, + 'TiB': 1024 * 1024, + 'PiB': 1024 * 1024 * 1024 + }, + 'GB': { + 'B': 1 / (1024 * 1024 * 1024), + 'KB': 1 / (1024 * 1024), + 'MB': 1 / 1024, + 'GB': 1, + 'TB': 1024, + 'PB': 1024 * 1024, + 'EB': 1024 * 1024 * 1024 + }, + 'GiB': { + 'B': 1 / (1024 * 1024 * 1024), + 'KiB': 1 / (1024 * 1024), + 'MiB': 1 / 1024, + 'GiB': 1, + 'TiB': 1024, + 'PiB': 1024 * 1024, + 'EiB': 1024 * 1024 * 1024 + }, + 'num': { + 'num': 1, + 'num (K)': 1000, + 'num (M)': 1000000, + 'num (G)': 1000000000, + 'num (T)': 1000000000000 + }, + 'Hz': { + 'Hz': 1, + 'kHz': 10 ** 3, + 'MHz': 10 ** 6, + 'GHz': 10 ** 9, + 'THz': 10 ** 12, + 'PHz': 10 ** 15, + 'EHz': 10 ** 18, + 'ZHz': 10 ** 21, + }, + /* + 'milliseconds': { + 'seconds': 1000 + }, + 'seconds': { + 'milliseconds': 0.001, + 'seconds': 1, + 'minutes': 60, + 'hours': 3600, + 'days': 86400 + } + */ + }, + + convertibleUnits: { + 'Celsius': { + 'Fahrenheit': { + check: function (max) { + void(max); + return NETDATA.options.current.temperature === 'fahrenheit'; + }, + convert: function (value) { + return value * 9 / 5 + 32; + } + } + }, + 'celsius': { + 'fahrenheit': { + check: function (max) { + void(max); + return NETDATA.options.current.temperature === 'fahrenheit'; + }, + convert: function (value) { + return value * 9 / 5 + 32; + } + } + }, + 'seconds': { + 'time': { + check: function (max) { + void(max); + return NETDATA.options.current.seconds_as_time; + }, + convert: function (seconds) { + return NETDATA.unitsConversion.seconds2time(seconds); + } + } + }, + 'milliseconds': { + 'milliseconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time && max < 1000; + }, + convert: function (milliseconds) { + let tms = Math.round(milliseconds * 10); + milliseconds = Math.floor(tms / 10); + + tms -= milliseconds * 10; + + return (milliseconds).toString() + '.' + tms.toString(); + } + }, + 'seconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time && max >= 1000 && max < 60000; + }, + convert: function (milliseconds) { + milliseconds = Math.round(milliseconds); + + let seconds = Math.floor(milliseconds / 1000); + milliseconds -= seconds * 1000; + + milliseconds = Math.round(milliseconds / 10); + + return seconds.toString() + '.' + + NETDATA.zeropad(milliseconds); + } + }, + 'M:SS.ms': { + check: function (max) { + return NETDATA.options.current.seconds_as_time && max >= 60000; + }, + convert: function (milliseconds) { + milliseconds = Math.round(milliseconds); + + let minutes = Math.floor(milliseconds / 60000); + milliseconds -= minutes * 60000; + + let seconds = Math.floor(milliseconds / 1000); + milliseconds -= seconds * 1000; + + milliseconds = Math.round(milliseconds / 10); + + return minutes.toString() + ':' + + NETDATA.zeropad(seconds) + '.' + + NETDATA.zeropad(milliseconds); + } + } + }, + 'nanoseconds': { + 'nanoseconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time && max < 1000; + }, + convert: function (nanoseconds) { + let tms = Math.round(nanoseconds * 10); + nanoseconds = Math.floor(tms / 10); + + tms -= nanoseconds * 10; + + return (nanoseconds).toString() + '.' + tms.toString(); + } + }, + 'microseconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time + && max >= 1000 && max < 1000 * 1000; + }, + convert: function (nanoseconds) { + nanoseconds = Math.round(nanoseconds); + + let microseconds = Math.floor(nanoseconds / 1000); + nanoseconds -= microseconds * 1000; + + nanoseconds = Math.round(nanoseconds / 10 ); + + return microseconds.toString() + '.' + + NETDATA.zeropad(nanoseconds); + } + }, + 'milliseconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time + && max >= 1000 * 1000 && max < 1000 * 1000 * 1000; + }, + convert: function (nanoseconds) { + nanoseconds = Math.round(nanoseconds); + + let milliseconds = Math.floor(nanoseconds / 1000 / 1000); + nanoseconds -= milliseconds * 1000 * 1000; + + nanoseconds = Math.round(nanoseconds / 1000 / 10); + + return milliseconds.toString() + '.' + + NETDATA.zeropad(nanoseconds); + } + }, + 'seconds': { + check: function (max) { + return NETDATA.options.current.seconds_as_time + && max >= 1000 * 1000 * 1000; + }, + convert: function (nanoseconds) { + nanoseconds = Math.round(nanoseconds); + + let seconds = Math.floor(nanoseconds / 1000 / 1000 / 1000); + nanoseconds -= seconds * 1000 * 1000 * 1000; + + nanoseconds = Math.round(nanoseconds / 1000 / 1000 / 10); + + return seconds.toString() + '.' + + NETDATA.zeropad(nanoseconds); + } + }, + } + }, + + seconds2time: function (seconds) { + seconds = Math.abs(seconds); + + let days = Math.floor(seconds / 86400); + seconds -= days * 86400; + + let hours = Math.floor(seconds / 3600); + seconds -= hours * 3600; + + let minutes = Math.floor(seconds / 60); + seconds -= minutes * 60; + + seconds = Math.round(seconds); + + let ms_txt = ''; + /* + let ms = seconds - Math.floor(seconds); + seconds -= ms; + ms = Math.round(ms * 1000); + + if (ms > 1) { + if (ms < 10) + ms_txt = '.00' + ms.toString(); + else if (ms < 100) + ms_txt = '.0' + ms.toString(); + else + ms_txt = '.' + ms.toString(); + } + */ + + return ((days > 0) ? days.toString() + 'd:' : '').toString() + + NETDATA.zeropad(hours) + ':' + + NETDATA.zeropad(minutes) + ':' + + NETDATA.zeropad(seconds) + + ms_txt; + }, + + // get a function that converts the units + // + every time units are switched call the callback + get: function (uuid, min, max, units, desired_units, common_units_name, switch_units_callback) { + // validate the parameters + if (typeof units === 'undefined') { + units = 'undefined'; + } + + // check if we support units conversion + if (typeof this.scalableUnits[units] === 'undefined' && typeof this.convertibleUnits[units] === 'undefined') { + // we can't convert these units + //console.log('DEBUG: ' + uuid.toString() + ' can\'t convert units: ' + units.toString()); + return function (value) { + return value; + }; + } + + // check if the caller wants the original units + if (typeof desired_units === 'undefined' || desired_units === null || desired_units === 'original' || desired_units === units) { + //console.log('DEBUG: ' + uuid.toString() + ' original units wanted'); + switch_units_callback(units); + return function (value) { + return value; + }; + } + + // now we know we can convert the units + // and the caller wants some kind of conversion + + let tunits = null; + let tdivider = 0; + + if (typeof this.scalableUnits[units] !== 'undefined') { + // units that can be scaled + // we decide a divider + + // console.log('NETDATA.unitsConversion.get(' + units.toString() + ', ' + desired_units.toString() + ', function()) decide divider with min = ' + min.toString() + ', max = ' + max.toString()); + + if (desired_units === 'auto') { + // the caller wants to auto-scale the units + + // find the absolute maximum value that is rendered on the chart + // based on this we decide the scale + min = Math.abs(min); + max = Math.abs(max); + if (min > max) { + max = min; + } + + // find the smallest scale that provides integers + // for (x in this.scalableUnits[units]) { + // if (this.scalableUnits[units].hasOwnProperty(x)) { + // let m = this.scalableUnits[units][x]; + // if (m <= max && m > tdivider) { + // tunits = x; + // tdivider = m; + // } + // } + // } + const sunit = this.scalableUnits[units]; + for (var x of Object.keys(sunit)) { + let m = sunit[x]; + if (m <= max && m > tdivider) { + tunits = x; + tdivider = m; + } + } + + if (tunits === null || tdivider <= 0) { + // we couldn't find one + //console.log('DEBUG: ' + uuid.toString() + ' cannot find an auto-scaling candidate for units: ' + units.toString() + ' (max: ' + max.toString() + ')'); + switch_units_callback(units); + return function (value) { + return value; + }; + } + + if (typeof common_units_name === 'string' && typeof uuid === 'string') { + // the caller wants several charts to have the same units + // data-common-units + + let common_units_key = common_units_name + '-' + units; + + // add our divider into the list of keys + let t = this.keys[common_units_key]; + if (typeof t === 'undefined') { + this.keys[common_units_key] = {}; + t = this.keys[common_units_key]; + } + t[uuid] = { + units: tunits, + divider: tdivider + }; + + // find the max divider of all charts + let common_units = t[uuid]; + for (var x in t) { + if (t.hasOwnProperty(x) && t[x].divider > common_units.divider) { + common_units = t[x]; + } + } + + // save our common_max to the latest keys + let latest = this.latest[common_units_key]; + if (typeof latest === 'undefined') { + this.latest[common_units_key] = {}; + latest = this.latest[common_units_key]; + } + latest.units = common_units.units; + latest.divider = common_units.divider; + + tunits = latest.units; + tdivider = latest.divider; + + //console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', common-units=' + common_units_name.toString() + ((t[uuid].divider !== tdivider)?' USED COMMON, mine was ' + t[uuid].units:' set common').toString()); + + // apply it to this chart + switch_units_callback(tunits); + return function (value) { + if (tdivider !== latest.divider) { + // another chart switched our common units + // we should switch them too + //console.log('DEBUG: ' + uuid + ' switching units due to a common-units change, from ' + tunits.toString() + ' to ' + latest.units.toString()); + tunits = latest.units; + tdivider = latest.divider; + switch_units_callback(tunits); + } + + return value / tdivider; + }; + } else { + // the caller did not give data-common-units + // this chart auto-scales independently of all others + //console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', autonomously'); + + switch_units_callback(tunits); + return function (value) { + return value / tdivider; + }; + } + } else { + // the caller wants specific units + + if (typeof this.scalableUnits[units][desired_units] !== 'undefined') { + // all good, set the new units + tdivider = this.scalableUnits[units][desired_units]; + // console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + desired_units.toString() + ' with divider ' + tdivider.toString() + ', by reference'); + switch_units_callback(desired_units); + return function (value) { + return value / tdivider; + }; + } else { + // oops! switch back to original units + console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.'); + switch_units_callback(units); + return function (value) { + return value; + }; + } + } + } else if (typeof this.convertibleUnits[units] !== 'undefined') { + // units that can be converted + if (desired_units === 'auto') { + for (var x in this.convertibleUnits[units]) { + if (this.convertibleUnits[units].hasOwnProperty(x)) { + if (this.convertibleUnits[units][x].check(max)) { + //console.log('DEBUG: ' + uuid.toString() + ' converting ' + units.toString() + ' to: ' + x.toString()); + switch_units_callback(x); + return this.convertibleUnits[units][x].convert; + } + } + } + + // none checked ok + //console.log('DEBUG: ' + uuid.toString() + ' no conversion available for ' + units.toString() + ' to: ' + desired_units.toString()); + switch_units_callback(units); + return function (value) { + return value; + }; + } else if (typeof this.convertibleUnits[units][desired_units] !== 'undefined') { + switch_units_callback(desired_units); + return this.convertibleUnits[units][desired_units].convert; + } else { + console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.'); + switch_units_callback(units); + return function (value) { + return value; + }; + } + } else { + // hm... did we forget to implement the new type? + console.log(`Unmatched unit conversion method for units ${units.toString()}`); + switch_units_callback(units); + return function (value) { + return value; + }; + } + } +}; + +NETDATA.icons = { + left: '<i class="fas fa-backward"></i>', + reset: '<i class="fas fa-play"></i>', + right: '<i class="fas fa-forward"></i>', + zoomIn: '<i class="fas fa-plus"></i>', + zoomOut: '<i class="fas fa-minus"></i>', + resize: '<i class="fas fa-sort"></i>', + lineChart: '<i class="fas fa-chart-line"></i>', + areaChart: '<i class="fas fa-chart-area"></i>', + noChart: '<i class="fas fa-chart-area"></i>', + loading: '<i class="fas fa-sync-alt"></i>', + noData: '<i class="fas fa-exclamation-triangle"></i>' +}; + +if (typeof netdataIcons === 'object') { + // for (let icon in NETDATA.icons) { + // if (NETDATA.icons.hasOwnProperty(icon) && typeof(netdataIcons[icon]) === 'string') + // NETDATA.icons[icon] = netdataIcons[icon]; + // } + for (var icon of Object.keys(NETDATA.icons)) { + if (typeof(netdataIcons[icon]) === 'string') { + NETDATA.icons[icon] = netdataIcons[icon] + } + } +} + +if (typeof netdataSnapshotData === 'undefined') { + netdataSnapshotData = null; +} + +if (typeof netdataShowHelp === 'undefined') { + netdataShowHelp = true; +} + +if (typeof netdataShowAlarms === 'undefined') { + netdataShowAlarms = false; +} + +if (typeof netdataRegistryAfterMs !== 'number' || netdataRegistryAfterMs < 0) { + netdataRegistryAfterMs = 0; // 1500; +} + +if (typeof netdataRegistry === 'undefined') { + // backward compatibility + netdataRegistry = (typeof netdataNoRegistry !== 'undefined' && netdataNoRegistry === false); +} + +if (netdataRegistry === false && typeof netdataRegistryCallback === 'function') { + netdataRegistry = true; +} + +// ---------------------------------------------------------------------------------------------------------------- +// the defaults for all charts + +// if the user does not specify any of these, the following will be used + +NETDATA.chartDefaults = { + width: '100%', // the chart width - can be null + height: '100%', // the chart height - can be null + min_width: null, // the chart minimum width - can be null + library: 'dygraph', // the graphing library to use + method: 'average', // the grouping method + before: 0, // panning + after: -600, // panning + pixels_per_point: 1, // the detail of the chart + fill_luminance: 0.8 // luminance of colors in solid areas +}; + +// ---------------------------------------------------------------------------------------------------------------- +// global options + +NETDATA.options = { + pauseCallback: null, // a callback when we are really paused + + pause: false, // when enabled we don't auto-refresh the charts + + targets: [], // an array of all the state objects that are + // currently active (independently of their + // viewport visibility) + + updated_dom: true, // when true, the DOM has been updated with + // new elements we have to check. + + auto_refresher_fast_weight: 0, // this is the current time in ms, spent + // rendering charts continuously. + // used with .current.fast_render_timeframe + + page_is_visible: true, // when true, this page is visible + + auto_refresher_stop_until: 0, // timestamp in ms - used internally, to stop the + // auto-refresher for some time (when a chart is + // performing pan or zoom, we need to stop refreshing + // all other charts, to have the maximum speed for + // rendering the chart that is panned or zoomed). + // Used with .current.global_pan_sync_time + + on_scroll_refresher_stop_until: 0, // timestamp in ms - used to stop evaluating + // charts for some time, after a page scroll + + last_page_resize: Date.now(), // the timestamp of the last resize request + + last_page_scroll: 0, // the timestamp the last time the page was scrolled + + browser_timezone: 'unknown', // timezone detected by javascript + server_timezone: 'unknown', // timezone reported by the server + + force_data_points: 0, // force the number of points to be returned for charts + fake_chart_rendering: false, // when set to true, the dashboard will download data but will not render the charts + + passive_events: null, // true if the browser supports passive events + + // the current profile + // we may have many... + current: { + units: 'auto', // can be 'auto' or 'original' + temperature: 'celsius', // can be 'celsius' or 'fahrenheit' + seconds_as_time: true, // show seconds as DDd:HH:MM:SS ? + timezone: 'default', // the timezone to use, or 'default' + user_set_server_timezone: 'default', // as set by the user on the dashboard + + legend_toolbox: true, // show the legend toolbox on charts + resize_charts: true, // show the resize handler on charts + + pixels_per_point: isSlowDevice() ? 5 : 1, // the minimum pixels per point for all charts + // increase this to speed javascript up + // each chart library has its own limit too + // the max of this and the chart library is used + // the final is calculated every time, so a change + // here will have immediate effect on the next chart + // update + + idle_between_charts: 100, // ms - how much time to wait between chart updates + + fast_render_timeframe: 200, // ms - render continuously until this time of continuous + // rendering has been reached + // this setting is used to make it render e.g. 10 + // charts at once, sleep idle_between_charts time + // and continue for another 10 charts. + + idle_between_loops: 500, // ms - if all charts have been updated, wait this + // time before starting again. + + idle_parallel_loops: 100, // ms - the time between parallel refresher updates + + idle_lost_focus: 500, // ms - when the window does not have focus, check + // if focus has been regained, every this time + + global_pan_sync_time: 300, // ms - when you pan or zoom a chart, the background + // auto-refreshing of charts is paused for this amount + // of time + + sync_selection_delay: 400, // ms - when you pan or zoom a chart, wait this amount + // of time before setting up synchronized selections + // on hover. + + sync_selection: true, // enable or disable selection sync + + pan_and_zoom_delay: 50, // when panning or zooming, how ofter to update the chart + + sync_pan_and_zoom: true, // enable or disable pan and zoom sync + + pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming + + update_only_visible: true, // enable or disable visibility management / used for printing + + parallel_refresher: !isSlowDevice(), // enable parallel refresh of charts + + concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts + + destroy_on_hide: isSlowDevice(), // destroy charts when they are not visible + + show_help: netdataShowHelp, // when enabled the charts will show some help + show_help_delay_show_ms: 500, + show_help_delay_hide_ms: 0, + + eliminate_zero_dimensions: true, // do not show dimensions with just zeros + + stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus + stop_updates_while_resizing: 1000, // ms - time to stop auto-refreshes while resizing the charts + + double_click_speed: 500, // ms - time between clicks / taps to detect double click/tap + + smooth_plot: !isSlowDevice(), // enable smooth plot, where possible + + color_fill_opacity_line: 1.0, + color_fill_opacity_area: 0.2, + color_fill_opacity_stacked: 0.8, + + pan_and_zoom_factor: 0.25, // the increment when panning and zooming with the toolbox + pan_and_zoom_factor_multiplier_control: 2.0, + pan_and_zoom_factor_multiplier_shift: 3.0, + pan_and_zoom_factor_multiplier_alt: 4.0, + + abort_ajax_on_scroll: false, // kill pending ajax page scroll + async_on_scroll: false, // sync/async onscroll handler + onscroll_worker_duration_threshold: 30, // time in ms, for async scroll handler + + retries_on_data_failures: 3, // how many retries to make if we can't fetch chart data from the server + + setOptionCallback: function () { + } + }, + + debug: { + show_boxes: false, + main_loop: false, + focus: false, + visibility: false, + chart_data_url: false, + chart_errors: true, // remember to set it to false before merging + chart_timing: false, + chart_calls: false, + libraries: false, + dygraph: false, + globalSelectionSync: false, + globalPanAndZoom: false + } +}; + +NETDATA.statistics = { + refreshes_total: 0, + refreshes_active: 0, + refreshes_active_max: 0 +}; + +// local storage options + +NETDATA.localStorage = { + default: {}, + current: {}, + callback: {} // only used for resetting back to defaults +}; + +NETDATA.localStorageTested = -1; +NETDATA.localStorageTest = function () { + if (NETDATA.localStorageTested !== -1) { + return NETDATA.localStorageTested; + } + + if (typeof Storage !== "undefined" && typeof localStorage === 'object') { + let test = 'test'; + try { + localStorage.setItem(test, test); + localStorage.removeItem(test); + NETDATA.localStorageTested = true; + } catch (e) { + NETDATA.localStorageTested = false; + } + } else { + NETDATA.localStorageTested = false; + } + + return NETDATA.localStorageTested; +}; + +NETDATA.localStorageGet = function (key, def, callback) { + let ret = def; + + if (typeof NETDATA.localStorage.default[key.toString()] === 'undefined') { + NETDATA.localStorage.default[key.toString()] = def; + NETDATA.localStorage.callback[key.toString()] = callback; + } + + if (NETDATA.localStorageTest()) { + try { + // console.log('localStorage: loading "' + key.toString() + '"'); + ret = localStorage.getItem(key.toString()); + // console.log('netdata loaded: ' + key.toString() + ' = ' + ret.toString()); + if (ret === null || ret === 'undefined') { + // console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"'); + localStorage.setItem(key.toString(), JSON.stringify(def)); + ret = def; + } else { + // console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"'); + ret = JSON.parse(ret); + // console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret)); + } + } catch (error) { + console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"'); + ret = def; + } + } + + if (typeof ret === 'undefined' || ret === 'undefined') { + console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret)); + ret = def; + } + + NETDATA.localStorage.current[key.toString()] = ret; + return ret; +}; + +NETDATA.localStorageSet = function (key, value, callback) { + if (typeof value === 'undefined' || value === 'undefined') { + console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value)); + } + + if (typeof NETDATA.localStorage.default[key.toString()] === 'undefined') { + NETDATA.localStorage.default[key.toString()] = value; + NETDATA.localStorage.current[key.toString()] = value; + NETDATA.localStorage.callback[key.toString()] = callback; + } + + if (NETDATA.localStorageTest()) { + // console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"'); + try { + localStorage.setItem(key.toString(), JSON.stringify(value)); + } catch (e) { + console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"'); + } + } + + NETDATA.localStorage.current[key.toString()] = value; + return value; +}; + +NETDATA.localStorageGetRecursive = function (obj, prefix, callback) { + let keys = Object.keys(obj); + let len = keys.length; + while (len--) { + let i = keys[len]; + + if (typeof obj[i] === 'object') { + //console.log('object ' + prefix + '.' + i.toString()); + NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback); + continue; + } + + obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback); + } +}; + +NETDATA.setOption = function (key, value) { + if (key.toString() === 'setOptionCallback') { + if (typeof NETDATA.options.current.setOptionCallback === 'function') { + NETDATA.options.current[key.toString()] = value; + NETDATA.options.current.setOptionCallback(); + } + } else if (NETDATA.options.current[key.toString()] !== value) { + let name = 'options.' + key.toString(); + + if (typeof NETDATA.localStorage.default[name.toString()] === 'undefined') { + console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value); + } + + //console.log(NETDATA.localStorage); + //console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()])); + //console.log(NETDATA.options); + NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null); + + if (typeof NETDATA.options.current.setOptionCallback === 'function') { + NETDATA.options.current.setOptionCallback(); + } + } + + return true; +}; + +NETDATA.getOption = function (key) { + return NETDATA.options.current[key.toString()]; +}; + +// read settings from local storage +NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null); + +// always start with this option enabled. +NETDATA.setOption('stop_updates_when_focus_is_lost', true); + +NETDATA.resetOptions = function () { + let keys = Object.keys(NETDATA.localStorage.default); + let len = keys.length; + + while (len--) { + let i = keys[len]; + let a = i.split('.'); + + if (a[0] === 'options') { + if (a[1] === 'setOptionCallback') { + continue; + } + if (typeof NETDATA.localStorage.default[i] === 'undefined') { + continue; + } + if (NETDATA.options.current[i] === NETDATA.localStorage.default[i]) { + continue; + } + + NETDATA.setOption(a[1], NETDATA.localStorage.default[i]); + } else if (a[0] === 'chart_heights') { + if (typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') { + NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]); + } + } + } + + NETDATA.dateTime.init(NETDATA.options.current.timezone); +}; + +// *** src/dashboard.js/timeout.js + +// TODO: Better name needed + +NETDATA.timeout = { + // by default, these are just wrappers to setTimeout() / clearTimeout() + + step: function (callback) { + return window.setTimeout(callback, 1000 / 60); + }, + + set: function (callback, delay) { + return window.setTimeout(callback, delay); + }, + + clear: function (id) { + return window.clearTimeout(id); + }, + + init: function () { + let custom = true; + + if (window.requestAnimationFrame) { + this.step = function (callback) { + return window.requestAnimationFrame(callback); + }; + + this.clear = function (handle) { + return window.cancelAnimationFrame(handle.value); + }; + // } else if (window.webkitRequestAnimationFrame) { + // this.step = function (callback) { + // return window.webkitRequestAnimationFrame(callback); + // }; + + // if (window.webkitCancelAnimationFrame) { + // this.clear = function (handle) { + // return window.webkitCancelAnimationFrame(handle.value); + // }; + // } else if (window.webkitCancelRequestAnimationFrame) { + // this.clear = function (handle) { + // return window.webkitCancelRequestAnimationFrame(handle.value); + // }; + // } + // } else if (window.mozRequestAnimationFrame) { + // this.step = function (callback) { + // return window.mozRequestAnimationFrame(callback); + // }; + + // this.clear = function (handle) { + // return window.mozCancelRequestAnimationFrame(handle.value); + // }; + // } else if (window.oRequestAnimationFrame) { + // this.step = function (callback) { + // return window.oRequestAnimationFrame(callback); + // }; + + // this.clear = function (handle) { + // return window.oCancelRequestAnimationFrame(handle.value); + // }; + // } else if (window.msRequestAnimationFrame) { + // this.step = function (callback) { + // return window.msRequestAnimationFrame(callback); + // }; + + // this.clear = function (handle) { + // return window.msCancelRequestAnimationFrame(handle.value); + // }; + } else { + custom = false; + } + + if (custom) { + // we have installed custom .step() / .clear() functions + // overwrite the .set() too + + this.set = function (callback, delay) { + let start = Date.now(), + handle = new Object(); + + const loop = () => { + let current = Date.now(), + delta = current - start; + + if (delta >= delay) { + callback.call(); + } else { + handle.value = this.step(loop); + } + } + + handle.value = this.step(loop); + return handle; + }; + } + } +}; + +NETDATA.timeout.init(); +// Codacy declarations +/* global netdataTheme */ + +NETDATA.themes = { + white: { + bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-3.3.7.css', + dashboard_css: NETDATA.serverStatic + 'dashboard.css?v20190902-0', + background: '#FFFFFF', + foreground: '#000000', + grid: '#F0F0F0', + axis: '#F0F0F0', + highlight: '#F5F5F5', + colors: ['#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477', + '#3B3EAC', '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6', + '#994499', '#22AA99', '#6633CC', '#E67300', '#316395', '#8B0707', + '#329262', '#3B3EAC'], + easypiechart_track: '#f0f0f0', + easypiechart_scale: '#dfe0e0', + gauge_pointer: '#C0C0C0', + gauge_stroke: '#F0F0F0', + gauge_gradient: false, + d3pie: { + title: '#333333', + subtitle: '#666666', + footer: '#888888', + other: '#aaaaaa', + mainlabel: '#333333', + percentage: '#dddddd', + value: '#aaaa22', + tooltip_bg: '#000000', + tooltip_fg: '#efefef', + segment_stroke: "#ffffff", + gradient_color: '#000000' + } + }, + slate: { + bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-slate-flat-3.3.7.css?v20161229-1', + dashboard_css: NETDATA.serverStatic + 'dashboard.slate.css?v20190902-0', + background: '#272b30', + foreground: '#C8C8C8', + grid: '#283236', + axis: '#283236', + highlight: '#383838', + /* colors: [ '#55bb33', '#ff2222', '#0099C6', '#faa11b', '#adbce0', '#DDDD00', + '#4178ba', '#f58122', '#a5cc39', '#f58667', '#f5ef89', '#cf93c0', + '#a5d18a', '#b8539d', '#3954a3', '#c8a9cf', '#c7de8a', '#fad20a', + '#a6a479', '#a66da8' ], + */ + colors: ['#66AA00', '#FE3912', '#3366CC', '#D66300', '#0099C6', '#DDDD00', + '#5054e6', '#EE9911', '#BB44CC', '#e45757', '#ef0aef', '#CC7700', + '#22AA99', '#109618', '#905bfd', '#f54882', '#4381bf', '#ff3737', + '#329262', '#3B3EFF'], + easypiechart_track: '#373b40', + easypiechart_scale: '#373b40', + gauge_pointer: '#474b50', + gauge_stroke: '#373b40', + gauge_gradient: false, + d3pie: { + title: '#C8C8C8', + subtitle: '#283236', + footer: '#283236', + other: '#283236', + mainlabel: '#C8C8C8', + percentage: '#dddddd', + value: '#cccc44', + tooltip_bg: '#272b30', + tooltip_fg: '#C8C8C8', + segment_stroke: "#283236", + gradient_color: '#000000' + } + } +}; + +if (typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined') { + NETDATA.themes.current = NETDATA.themes[netdataTheme]; +} else { + NETDATA.themes.current = NETDATA.themes.white; +} + +NETDATA.colors = NETDATA.themes.current.colors; + +// these are the colors Google Charts are using +// we have them here to attempt emulate their look and feel on the other chart libraries +// http://there4.io/2012/05/02/google-chart-color-list/ +//NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6', +// '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11', +// '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ]; + +// an alternative set +// http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/ +// (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray) +//NETDATA.colors = [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ]; +// dygraph + +// Codacy declarations +/* global smoothPlotter */ +/* global Dygraph */ + +NETDATA.dygraph = { + smooth: false +}; + +NETDATA.dygraphToolboxPanAndZoom = function (state, after, before) { + if (after < state.netdata_first) { + after = state.netdata_first; + } + + if (before > state.netdata_last) { + before = state.netdata_last; + } + + state.setMode('zoom'); + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + state.tmp.dygraph_user_action = true; + state.tmp.dygraph_force_zoom = true; + // state.log('toolboxPanAndZoom'); + state.updateChartPanOrZoom(after, before); + NETDATA.globalPanAndZoom.setMaster(state, after, before); +}; + +NETDATA.dygraphSetSelection = function (state, t) { + if (typeof state.tmp.dygraph_instance !== 'undefined') { + let r = state.calculateRowForTime(t); + if (r !== -1) { + state.tmp.dygraph_instance.setSelection(r); + return true; + } else { + state.tmp.dygraph_instance.clearSelection(); + state.legendShowUndefined(); + } + } + + return false; +}; + +NETDATA.dygraphClearSelection = function (state) { + if (typeof state.tmp.dygraph_instance !== 'undefined') { + state.tmp.dygraph_instance.clearSelection(); + } + return true; +}; + +NETDATA.dygraphSmoothInitialize = function (callback) { + $.ajax({ + url: NETDATA.dygraph_smooth_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.dygraph.smooth = true; + smoothPlotter.smoothing = 0.3; + }) + .fail(function () { + NETDATA.dygraph.smooth = false; + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }); +}; + +NETDATA.dygraphInitialize = function (callback) { + if (typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) { + $.ajax({ + url: NETDATA.dygraph_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js); + }) + .fail(function () { + NETDATA.chartLibraries.dygraph.enabled = false; + NETDATA.error(100, NETDATA.dygraph_js); + }) + .always(function () { + if (NETDATA.chartLibraries.dygraph.enabled && NETDATA.options.current.smooth_plot) { + NETDATA.dygraphSmoothInitialize(callback); + } else if (typeof callback === "function") { + return callback(); + } + }); + } else { + NETDATA.chartLibraries.dygraph.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.dygraphChartUpdate = function (state, data) { + let dygraph = state.tmp.dygraph_instance; + + if (typeof dygraph === 'undefined') { + return NETDATA.dygraphChartCreate(state, data); + } + + // when the chart is not visible, and hidden + // if there is a window resize, dygraph detects + // its element size as 0x0. + // this will make it re-appear properly + + if (state.tm.last_unhidden > state.tmp.dygraph_last_rendered) { + dygraph.resize(); + } + + let options = { + file: data.result.data, + colors: state.chartColors(), + labels: data.result.labels, + //labelsDivWidth: state.chartWidth() - 70, + includeZero: state.tmp.dygraph_include_zero, + visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names) + }; + + if (state.tmp.dygraph_chart_type === 'stacked') { + if (options.includeZero && state.dimensions_visibility.countSelected() < options.visibility.length) { + options.includeZero = 0; + } + } + + if (!NETDATA.chartLibraries.dygraph.isSparkline(state)) { + options.ylabel = state.units_current; // (state.units_desired === 'auto')?"":state.units_current; + } + + if (state.tmp.dygraph_force_zoom) { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('dygraphChartUpdate() forced zoom update'); + } + + options.dateWindow = (state.requested_padding !== null) ? [state.view_after, state.view_before] : null; + //options.isZoomedIgnoreProgrammaticZoom = true; + state.tmp.dygraph_force_zoom = false; + } else if (state.current.name !== 'auto') { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('dygraphChartUpdate() loose update'); + } + } else { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('dygraphChartUpdate() strict update'); + } + + options.dateWindow = (state.requested_padding !== null) ? [state.view_after, state.view_before] : null; + //options.isZoomedIgnoreProgrammaticZoom = true; + } + + options.valueRange = state.tmp.dygraph_options.valueRange; + + let oldMax = null, oldMin = null; + if (state.tmp.__commonMin !== null) { + state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0]; + oldMin = options.valueRange[0] = NETDATA.commonMin.get(state); + } + if (state.tmp.__commonMax !== null) { + state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1]; + oldMax = options.valueRange[1] = NETDATA.commonMax.get(state); + } + + if (state.tmp.dygraph_smooth_eligible) { + if ((NETDATA.options.current.smooth_plot && state.tmp.dygraph_options.plotter !== smoothPlotter) + || (NETDATA.options.current.smooth_plot === false && state.tmp.dygraph_options.plotter === smoothPlotter)) { + NETDATA.dygraphChartCreate(state, data); + return; + } + } + + if (netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(state) === false) { + // pan and zoom on snapshots + options.dateWindow = [NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms]; + //options.isZoomedIgnoreProgrammaticZoom = true; + } + + if (NETDATA.chartLibraries.dygraph.isLogScale(state)) { + if (Array.isArray(options.valueRange) && options.valueRange[0] <= 0) { + options.valueRange[0] = null; + } + } + + dygraph.updateOptions(options); + + let redraw = false; + if (oldMin !== null && oldMin > state.tmp.dygraph_instance.axes_[0].extremeRange[0]) { + state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0]; + options.valueRange[0] = NETDATA.commonMin.get(state); + redraw = true; + } + if (oldMax !== null && oldMax < state.tmp.dygraph_instance.axes_[0].extremeRange[1]) { + state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1]; + options.valueRange[1] = NETDATA.commonMax.get(state); + redraw = true; + } + + if (redraw) { + // state.log('forcing redraw to adapt to common- min/max'); + dygraph.updateOptions(options); + } + + state.tmp.dygraph_last_rendered = Date.now(); + return true; +}; + +NETDATA.dygraphChartCreate = function (state, data) { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('dygraphChartCreate()'); + } + + state.tmp.dygraph_chart_type = NETDATA.dataAttribute(state.element, 'dygraph-type', state.chart.chart_type); + if (state.tmp.dygraph_chart_type === 'stacked' && data.dimensions === 1) { + state.tmp.dygraph_chart_type = 'area'; + } + if (state.tmp.dygraph_chart_type === 'stacked' && NETDATA.chartLibraries.dygraph.isLogScale(state)) { + state.tmp.dygraph_chart_type = 'area'; + } + + let highlightCircleSize = NETDATA.chartLibraries.dygraph.isSparkline(state) ? 3 : 4; + + let smooth = NETDATA.dygraph.smooth + ? (NETDATA.dataAttributeBoolean(state.element, 'dygraph-smooth', (state.tmp.dygraph_chart_type === 'line' && NETDATA.chartLibraries.dygraph.isSparkline(state) === false))) + : false; + + state.tmp.dygraph_include_zero = NETDATA.dataAttribute(state.element, 'dygraph-includezero', (state.tmp.dygraph_chart_type === 'stacked')); + let drawAxis = NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawaxis', true); + + state.tmp.dygraph_options = { + colors: NETDATA.dataAttribute(state.element, 'dygraph-colors', state.chartColors()), + + // leave a few pixels empty on the right of the chart + rightGap: NETDATA.dataAttribute(state.element, 'dygraph-rightgap', 5), + showRangeSelector: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showrangeselector', false), + showRoller: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showroller', false), + title: NETDATA.dataAttribute(state.element, 'dygraph-title', state.title), + titleHeight: NETDATA.dataAttribute(state.element, 'dygraph-titleheight', 19), + legend: NETDATA.dataAttribute(state.element, 'dygraph-legend', 'always'), // we need this to get selection events + labels: data.result.labels, + labelsDiv: NETDATA.dataAttribute(state.element, 'dygraph-labelsdiv', state.element_legend_childs.hidden), + //labelsDivStyles: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivstyles', { 'fontSize':'1px' }), + //labelsDivWidth: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivwidth', state.chartWidth() - 70), + labelsSeparateLines: NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsseparatelines', true), + labelsShowZeroValues: NETDATA.chartLibraries.dygraph.isLogScale(state) ? false : NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsshowzerovalues', true), + labelsKMB: false, + labelsKMG2: false, + showLabelsOnHighlight: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showlabelsonhighlight', true), + hideOverlayOnMouseOut: NETDATA.dataAttributeBoolean(state.element, 'dygraph-hideoverlayonmouseout', true), + includeZero: state.tmp.dygraph_include_zero, + xRangePad: NETDATA.dataAttribute(state.element, 'dygraph-xrangepad', 0), + yRangePad: NETDATA.dataAttribute(state.element, 'dygraph-yrangepad', 1), + valueRange: NETDATA.dataAttribute(state.element, 'dygraph-valuerange', [null, null]), + ylabel: state.units_current, // (state.units_desired === 'auto')?"":state.units_current, + yLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-ylabelwidth', 12), + + // the function to plot the chart + plotter: null, + + // The width of the lines connecting data points. + // This can be used to increase the contrast or some graphs. + strokeWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokewidth', ((state.tmp.dygraph_chart_type === 'stacked') ? 0.1 : ((smooth === true) ? 1.5 : 0.7))), + strokePattern: NETDATA.dataAttribute(state.element, 'dygraph-strokepattern', undefined), + + // The size of the dot to draw on each point in pixels (see drawPoints). + // A dot is always drawn when a point is "isolated", + // i.e. there is a missing point on either side of it. + // This also controls the size of those dots. + drawPoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawpoints', false), + + // Draw points at the edges of gaps in the data. + // This improves visibility of small data segments or other data irregularities. + drawGapEdgePoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgapedgepoints', true), + connectSeparatedPoints: NETDATA.chartLibraries.dygraph.isLogScale(state) ? false : NETDATA.dataAttributeBoolean(state.element, 'dygraph-connectseparatedpoints', false), + pointSize: NETDATA.dataAttribute(state.element, 'dygraph-pointsize', 1), + + // enabling this makes the chart with little square lines + stepPlot: NETDATA.dataAttributeBoolean(state.element, 'dygraph-stepplot', false), + + // Draw a border around graph lines to make crossing lines more easily + // distinguishable. Useful for graphs with many lines. + strokeBorderColor: NETDATA.dataAttribute(state.element, 'dygraph-strokebordercolor', NETDATA.themes.current.background), + strokeBorderWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokeborderwidth', (state.tmp.dygraph_chart_type === 'stacked') ? 0.0 : 0.0), + fillGraph: NETDATA.dataAttribute(state.element, 'dygraph-fillgraph', (state.tmp.dygraph_chart_type === 'area' || state.tmp.dygraph_chart_type === 'stacked')), + fillAlpha: NETDATA.dataAttribute(state.element, 'dygraph-fillalpha', + ((state.tmp.dygraph_chart_type === 'stacked') + ? NETDATA.options.current.color_fill_opacity_stacked + : NETDATA.options.current.color_fill_opacity_area) + ), + stackedGraph: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraph', (state.tmp.dygraph_chart_type === 'stacked')), + stackedGraphNaNFill: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraphnanfill', 'none'), + drawAxis: drawAxis, + axisLabelFontSize: NETDATA.dataAttribute(state.element, 'dygraph-axislabelfontsize', 10), + axisLineColor: NETDATA.dataAttribute(state.element, 'dygraph-axislinecolor', NETDATA.themes.current.axis), + axisLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-axislinewidth', 1.0), + drawGrid: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgrid', true), + gridLinePattern: NETDATA.dataAttribute(state.element, 'dygraph-gridlinepattern', null), + gridLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-gridlinewidth', 1.0), + gridLineColor: NETDATA.dataAttribute(state.element, 'dygraph-gridlinecolor', NETDATA.themes.current.grid), + maxNumberWidth: NETDATA.dataAttribute(state.element, 'dygraph-maxnumberwidth', 8), + sigFigs: NETDATA.dataAttribute(state.element, 'dygraph-sigfigs', null), + digitsAfterDecimal: NETDATA.dataAttribute(state.element, 'dygraph-digitsafterdecimal', 2), + valueFormatter: NETDATA.dataAttribute(state.element, 'dygraph-valueformatter', undefined), + highlightCircleSize: NETDATA.dataAttribute(state.element, 'dygraph-highlightcirclesize', highlightCircleSize), + highlightSeriesOpts: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesopts', null), // TOO SLOW: { strokeWidth: 1.5 }, + highlightSeriesBackgroundAlpha: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesbackgroundalpha', null), // TOO SLOW: (state.tmp.dygraph_chart_type === 'stacked')?0.7:0.5, + pointClickCallback: NETDATA.dataAttribute(state.element, 'dygraph-pointclickcallback', undefined), + visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names), + logscale: NETDATA.chartLibraries.dygraph.isLogScale(state) ? 'y' : undefined, + + axes: { + x: { + pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-xpixelsperlabel', 50), + ticker: Dygraph.dateTicker, + axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-xaxislabelwidth', 60), + drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawxaxis', drawAxis), + axisLabelFormatter: function (d, gran) { + void(gran); + return NETDATA.dateTime.xAxisTimeString(d); + } + }, + y: { + logscale: NETDATA.chartLibraries.dygraph.isLogScale(state) ? true : undefined, + pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-ypixelsperlabel', 15), + axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-yaxislabelwidth', 50), + drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawyaxis', drawAxis), + axisLabelFormatter: function (y) { + + // unfortunately, we have to call this every single time + state.legendFormatValueDecimalsFromMinMax( + this.axes_[0].extremeRange[0], + this.axes_[0].extremeRange[1] + ); + + let old_units = this.user_attrs_.ylabel; + let v = state.legendFormatValue(y); + let new_units = state.units_current; + + if (state.units_desired === 'auto' && typeof old_units !== 'undefined' && new_units !== old_units && !NETDATA.chartLibraries.dygraph.isSparkline(state)) { + // console.log(this); + // state.log('units discrepancy: old = ' + old_units + ', new = ' + new_units); + let len = this.plugins_.length; + while (len--) { + // console.log(this.plugins_[len]); + if (typeof this.plugins_[len].plugin.ylabel_div_ !== 'undefined' + && this.plugins_[len].plugin.ylabel_div_ !== null + && typeof this.plugins_[len].plugin.ylabel_div_.children !== 'undefined' + && this.plugins_[len].plugin.ylabel_div_.children !== null + && typeof this.plugins_[len].plugin.ylabel_div_.children[0].children !== 'undefined' + && this.plugins_[len].plugin.ylabel_div_.children[0].children !== null + ) { + this.plugins_[len].plugin.ylabel_div_.children[0].children[0].innerHTML = new_units; + this.user_attrs_.ylabel = new_units; + break; + } + } + + if (len < 0) { + state.log('units discrepancy, but cannot find dygraphs div to change: old = ' + old_units + ', new = ' + new_units); + } + } + + return v; + } + } + }, + legendFormatter: function (data) { + if (state.tmp.dygraph_mouse_down) { + return; + } + + let elements = state.element_legend_childs; + + // if the hidden div is not there + // we are not managing the legend + if (elements.hidden === null) { + return; + } + + if (typeof data.x !== 'undefined') { + state.legendSetDate(data.x); + let i = data.series.length; + while (i--) { + let series = data.series[i]; + if (series.isVisible) { + state.legendSetLabelValue(series.label, series.y); + } else { + state.legendSetLabelValue(series.label, null); + } + } + } + + return ''; + }, + drawCallback: function (dygraph, is_initial) { + + // the user has panned the chart and this is called to re-draw the chart + // 1. refresh this chart by adding data to it + // 2. notify all the other charts about the update they need + + // to prevent an infinite loop (feedback), we use + // state.tmp.dygraph_user_action + // - when true, this is initiated by a user + // - when false, this is feedback + + if (state.current.name !== 'auto' && state.tmp.dygraph_user_action) { + state.tmp.dygraph_user_action = false; + + let x_range = dygraph.xAxisRange(); + let after = Math.round(x_range[0]); + let before = Math.round(x_range[1]); + + if (NETDATA.options.debug.dygraph) { + state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): mode ' + state.current.name + ' ' + (after / 1000).toString() + ' - ' + (before / 1000).toString()); + //console.log(state); + } + + if (before <= state.netdata_last && after >= state.netdata_first) { + // update only when we are within the data limits + state.updateChartPanOrZoom(after, before); + } + } + }, + zoomCallback: function (minDate, maxDate, yRanges) { + + // the user has selected a range on the chart + // 1. refresh this chart by adding data to it + // 2. notify all the other charts about the update they need + + void(yRanges); + + if (NETDATA.options.debug.dygraph) { + state.log('dygraphZoomCallback(): ' + state.current.name); + } + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + state.setMode('zoom'); + + // refresh it to the greatest possible zoom level + state.tmp.dygraph_user_action = true; + state.tmp.dygraph_force_zoom = true; + state.updateChartPanOrZoom(minDate, maxDate); + }, + highlightCallback: function (event, x, points, row, seriesName) { + void(seriesName); + + state.pauseChart(); + + // there is a bug in dygraph when the chart is zoomed enough + // the time it thinks is selected is wrong + // here we calculate the time t based on the row number selected + // which is ok + // let t = state.data_after + row * state.data_update_every; + // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every); + + if (state.tmp.dygraph_mouse_down !== true) { + NETDATA.globalSelectionSync.sync(state, x); + } + + // fix legend zIndex using the internal structures of dygraph legend module + // this works, but it is a hack! + // state.tmp.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000; + }, + unhighlightCallback: function (event) { + void(event); + + if (state.tmp.dygraph_mouse_down) { + return; + } + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('dygraphUnhighlightCallback()'); + } + + state.unpauseChart(); + NETDATA.globalSelectionSync.stop(); + }, + underlayCallback: function (canvas, area, g) { + // the chart is about to be drawn + + // update history_tip_element + if (state.tmp.dygraph_history_tip_element) { + const xHookRightSide = g.toDomXCoord(state.netdata_first); + if (xHookRightSide > area.x) { + state.tmp.dygraph_history_tip_element_displayed = true; + // group the styles for possible better performance + state.tmp.dygraph_history_tip_element.setAttribute( + 'style', + `display: block; left: ${area.x}px; right: calc(100% - ${xHookRightSide}px);` + ) + } else { + if (state.tmp.dygraph_history_tip_element_displayed) { + // additional check just for performance + // don't update the DOM when it's not needed + state.tmp.dygraph_history_tip_element.style.display = 'none'; + state.tmp.dygraph_history_tip_element_displayed = false; + } + } + } + + // this function renders global highlighted time-frame + + if (NETDATA.globalChartUnderlay.isActive()) { + let after = NETDATA.globalChartUnderlay.after; + let before = NETDATA.globalChartUnderlay.before; + + if (after < state.view_after) { + after = state.view_after; + } + + if (before > state.view_before) { + before = state.view_before; + } + + if (after < before) { + let bottom_left = g.toDomCoords(after, -20); + let top_right = g.toDomCoords(before, +20); + + let left = bottom_left[0]; + let right = top_right[0]; + + canvas.fillStyle = NETDATA.themes.current.highlight; + canvas.fillRect(left, area.y, right - left, area.h); + } + } + }, + interactionModel: { + mousedown: function (event, dygraph, context) { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.mousedown()'); + } + + state.tmp.dygraph_user_action = true; + + if (NETDATA.options.debug.dygraph) { + state.log('dygraphMouseDown()'); + } + + // Right-click should not initiate anything. + if (event.button && event.button === 2) { + return; + } + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_mouse_down = true; + context.initializeMouseDown(event, dygraph, context); + + //console.log(event); + if (event.button && event.button === 1) { + if (event.shiftKey) { + //console.log('middle mouse button dragging (PAN)'); + + state.setMode('pan'); + // NETDATA.globalSelectionSync.delay(); + state.tmp.dygraph_highlight_after = null; + Dygraph.startPan(event, dygraph, context); + } else if (event.altKey || event.ctrlKey || event.metaKey) { + //console.log('middle mouse button highlight'); + + if (!(event.offsetX && event.offsetY)) { + event.offsetX = event.layerX - event.target.offsetLeft; + event.offsetY = event.layerY - event.target.offsetTop; + } + state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX); + Dygraph.startZoom(event, dygraph, context); + } else { + //console.log('middle mouse button selection for zoom (ZOOM)'); + + state.setMode('zoom'); + // NETDATA.globalSelectionSync.delay(); + state.tmp.dygraph_highlight_after = null; + Dygraph.startZoom(event, dygraph, context); + } + } else { + if (event.shiftKey) { + //console.log('left mouse button selection for zoom (ZOOM)'); + + state.setMode('zoom'); + // NETDATA.globalSelectionSync.delay(); + state.tmp.dygraph_highlight_after = null; + Dygraph.startZoom(event, dygraph, context); + } else if (event.altKey || event.ctrlKey || event.metaKey) { + //console.log('left mouse button highlight'); + + if (!(event.offsetX && event.offsetY)) { + event.offsetX = event.layerX - event.target.offsetLeft; + event.offsetY = event.layerY - event.target.offsetTop; + } + state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX); + Dygraph.startZoom(event, dygraph, context); + } else { + //console.log('left mouse button dragging (PAN)'); + + state.setMode('pan'); + // NETDATA.globalSelectionSync.delay(); + state.tmp.dygraph_highlight_after = null; + Dygraph.startPan(event, dygraph, context); + } + } + }, + mousemove: function (event, dygraph, context) { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.mousemove()'); + } + + if (state.tmp.dygraph_highlight_after !== null) { + //console.log('highlight selection...'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + Dygraph.moveZoom(event, dygraph, context); + event.preventDefault(); + } else if (context.isPanning) { + //console.log('panning...'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + //NETDATA.globalSelectionSync.stop(); + //NETDATA.globalSelectionSync.delay(); + state.setMode('pan'); + context.is2DPan = false; + Dygraph.movePan(event, dygraph, context); + } else if (context.isZooming) { + //console.log('zooming...'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + //NETDATA.globalSelectionSync.stop(); + //NETDATA.globalSelectionSync.delay(); + state.setMode('zoom'); + Dygraph.moveZoom(event, dygraph, context); + } + }, + mouseup: function (event, dygraph, context) { + state.tmp.dygraph_mouse_down = false; + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.mouseup()'); + } + + if (state.tmp.dygraph_highlight_after !== null) { + //console.log('done highlight selection'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + if (!(event.offsetX && event.offsetY)) { + event.offsetX = event.layerX - event.target.offsetLeft; + event.offsetY = event.layerY - event.target.offsetTop; + } + + NETDATA.globalChartUnderlay.set(state + , state.tmp.dygraph_highlight_after + , dygraph.toDataXCoord(event.offsetX) + , state.view_after + , state.view_before + ); + + state.tmp.dygraph_highlight_after = null; + + context.isZooming = false; + dygraph.clearZoomRect_(); + dygraph.drawGraph_(false); + + // refresh all the charts immediately + NETDATA.options.auto_refresher_stop_until = 0; + } else if (context.isPanning) { + //console.log('done panning'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + Dygraph.endPan(event, dygraph, context); + + // refresh all the charts immediately + NETDATA.options.auto_refresher_stop_until = 0; + } else if (context.isZooming) { + //console.log('done zomming'); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + Dygraph.endZoom(event, dygraph, context); + + // refresh all the charts immediately + NETDATA.options.auto_refresher_stop_until = 0; + } + }, + click: function (event, dygraph, context) { + void(dygraph); + void(context); + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.click()'); + } + + event.preventDefault(); + }, + dblclick: function (event, dygraph, context) { + void(event); + void(dygraph); + void(context); + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.dblclick()'); + } + NETDATA.resetAllCharts(state); + }, + wheel: function (event, dygraph, context) { + void(context); + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.wheel()'); + } + + // Take the offset of a mouse event on the dygraph canvas and + // convert it to a pair of percentages from the bottom left. + // (Not top left, bottom is where the lower value is.) + function offsetToPercentage(g, offsetX, offsetY) { + // This is calculating the pixel offset of the leftmost date. + let xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0]; + let yar0 = g.yAxisRange(0); + + // This is calculating the pixel of the highest value. (Top pixel) + let yOffset = g.toDomCoords(null, yar0[1])[1]; + + // x y w and h are relative to the corner of the drawing area, + // so that the upper corner of the drawing area is (0, 0). + let x = offsetX - xOffset; + let y = offsetY - yOffset; + + // This is computing the rightmost pixel, effectively defining the + // width. + let w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset; + + // This is computing the lowest pixel, effectively defining the height. + let h = g.toDomCoords(null, yar0[0])[1] - yOffset; + + // Percentage from the left. + let xPct = w === 0 ? 0 : (x / w); + // Percentage from the top. + let yPct = h === 0 ? 0 : (y / h); + + // The (1-) part below changes it from "% distance down from the top" + // to "% distance up from the bottom". + return [xPct, (1 - yPct)]; + } + + // Adjusts [x, y] toward each other by zoomInPercentage% + // Split it so the left/bottom axis gets xBias/yBias of that change and + // tight/top gets (1-xBias)/(1-yBias) of that change. + // + // If a bias is missing it splits it down the middle. + function zoomRange(g, zoomInPercentage, xBias, yBias) { + xBias = xBias || 0.5; + yBias = yBias || 0.5; + + function adjustAxis(axis, zoomInPercentage, bias) { + let delta = axis[1] - axis[0]; + let increment = delta * zoomInPercentage; + let foo = [increment * bias, increment * (1 - bias)]; + + return [axis[0] + foo[0], axis[1] - foo[1]]; + } + + let yAxes = g.yAxisRanges(); + let newYAxes = []; + for (let i = 0; i < yAxes.length; i++) { + newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias); + } + + return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias); + } + + if (event.altKey || event.shiftKey) { + state.tmp.dygraph_user_action = true; + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + // http://dygraphs.com/gallery/interaction-api.js + let normal_def; + if (typeof event.wheelDelta === 'number' && !isNaN(event.wheelDelta)) + // chrome + { + normal_def = event.wheelDelta / 40; + } else + // firefox + { + normal_def = event.deltaY * -1.2; + } + + let normal = (event.detail) ? event.detail * -1 : normal_def; + let percentage = normal / 50; + + if (!(event.offsetX && event.offsetY)) { + event.offsetX = event.layerX - event.target.offsetLeft; + event.offsetY = event.layerY - event.target.offsetTop; + } + + let percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY); + let xPct = percentages[0]; + let yPct = percentages[1]; + + let new_x_range = zoomRange(dygraph, percentage, xPct, yPct); + let after = new_x_range[0]; + let before = new_x_range[1]; + + let first = state.netdata_first + state.data_update_every; + let last = state.netdata_last + state.data_update_every; + + if (before > last) { + after -= (before - last); + before = last; + } + if (after < first) { + after = first; + } + + state.setMode('zoom'); + state.updateChartPanOrZoom(after, before, function () { + dygraph.updateOptions({dateWindow: [after, before]}); + }); + + event.preventDefault(); + } + }, + touchstart: function (event, dygraph, context) { + state.tmp.dygraph_mouse_down = true; + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.touchstart()'); + } + + state.tmp.dygraph_user_action = true; + state.setMode('zoom'); + state.pauseChart(); + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + Dygraph.defaultInteractionModel.touchstart(event, dygraph, context); + + // we overwrite the touch directions at the end, to overwrite + // the internal default of dygraph + context.touchDirections = {x: true, y: false}; + + state.dygraph_last_touch_start = Date.now(); + state.dygraph_last_touch_move = 0; + + if (typeof event.touches[0].pageX === 'number') { + state.dygraph_last_touch_page_x = event.touches[0].pageX; + } else { + state.dygraph_last_touch_page_x = 0; + } + }, + touchmove: function (event, dygraph, context) { + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.touchmove()'); + } + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + Dygraph.defaultInteractionModel.touchmove(event, dygraph, context); + + state.dygraph_last_touch_move = Date.now(); + }, + touchend: function (event, dygraph, context) { + state.tmp.dygraph_mouse_down = false; + + if (NETDATA.options.debug.dygraph || state.debug) { + state.log('interactionModel.touchend()'); + } + + NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.delay(); + + state.tmp.dygraph_user_action = true; + Dygraph.defaultInteractionModel.touchend(event, dygraph, context); + + // if it didn't move, it is a selection + if (state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) { + NETDATA.globalSelectionSync.dontSyncBefore = 0; + NETDATA.globalSelectionSync.setMaster(state); + + // internal api of dygraph + let pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w; + console.log('pct: ' + pct.toString()); + + let t = Math.round(state.view_after + (state.view_before - state.view_after) * pct); + if (NETDATA.dygraphSetSelection(state, t)) { + NETDATA.globalSelectionSync.sync(state, t); + } + } + + // if it was double tap within double click time, reset the charts + let now = Date.now(); + if (typeof state.dygraph_last_touch_end !== 'undefined') { + if (state.dygraph_last_touch_move === 0) { + let dt = now - state.dygraph_last_touch_end; + if (dt <= NETDATA.options.current.double_click_speed) { + NETDATA.resetAllCharts(state); + } + } + } + + // remember the timestamp of the last touch end + state.dygraph_last_touch_end = now; + + // refresh all the charts immediately + NETDATA.options.auto_refresher_stop_until = 0; + } + } + }; + + if (NETDATA.chartLibraries.dygraph.isLogScale(state)) { + if (Array.isArray(state.tmp.dygraph_options.valueRange) && state.tmp.dygraph_options.valueRange[0] <= 0) { + state.tmp.dygraph_options.valueRange[0] = null; + } + } + + if (NETDATA.chartLibraries.dygraph.isSparkline(state)) { + state.tmp.dygraph_options.drawGrid = false; + state.tmp.dygraph_options.drawAxis = false; + state.tmp.dygraph_options.title = undefined; + state.tmp.dygraph_options.ylabel = undefined; + state.tmp.dygraph_options.yLabelWidth = 0; + //state.tmp.dygraph_options.labelsDivWidth = 120; + //state.tmp.dygraph_options.labelsDivStyles.width = '120px'; + state.tmp.dygraph_options.labelsSeparateLines = true; + state.tmp.dygraph_options.rightGap = 0; + state.tmp.dygraph_options.yRangePad = 1; + state.tmp.dygraph_options.axes.x.drawAxis = false; + state.tmp.dygraph_options.axes.y.drawAxis = false; + } + + if (smooth) { + state.tmp.dygraph_smooth_eligible = true; + + if (NETDATA.options.current.smooth_plot) { + state.tmp.dygraph_options.plotter = smoothPlotter; + } + } + else { + state.tmp.dygraph_smooth_eligible = false; + } + + if (netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(state) === false) { + // pan and zoom on snapshots + state.tmp.dygraph_options.dateWindow = [NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms]; + //state.tmp.dygraph_options.isZoomedIgnoreProgrammaticZoom = true; + } + + state.tmp.dygraph_instance = new Dygraph(state.element_chart, + data.result.data, state.tmp.dygraph_options); + + + state.tmp.dygraph_history_tip_element = document.createElement('div'); + state.tmp.dygraph_history_tip_element.innerHTML = ` + <span class="dygraph__history-tip-content"> + Want to extend your history of real-time metrics? + <br /> + <a href="https://learn.netdata.cloud/guides/longer-metrics-storage/" target=_blank> + Configure Netdata's <b>history</b></a> + or use the <a href="https://learn.netdata.cloud/docs/agent/database/engine/" target=_blank>DB engine</a>. + </span> + `; + state.tmp.dygraph_history_tip_element.className = 'dygraph__history-tip'; + state.element_chart.appendChild(state.tmp.dygraph_history_tip_element); + + + state.tmp.dygraph_force_zoom = false; + state.tmp.dygraph_user_action = false; + state.tmp.dygraph_last_rendered = Date.now(); + state.tmp.dygraph_highlight_after = null; + + if (state.tmp.dygraph_options.valueRange[0] === null && state.tmp.dygraph_options.valueRange[1] === null) { + if (typeof state.tmp.dygraph_instance.axes_[0].extremeRange !== 'undefined') { + state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null); + state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null); + } else { + state.log('incompatible version of Dygraph detected'); + state.tmp.__commonMin = null; + state.tmp.__commonMax = null; + } + } else { + // if the user gave a valueRange, respect it + state.tmp.__commonMin = null; + state.tmp.__commonMax = null; + } + + return true; +}; +// ---------------------------------------------------------------------------------------------------------------- +// sparkline + +NETDATA.sparklineInitialize = function (callback) { + if (typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) { + $.ajax({ + url: NETDATA.sparkline_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js); + }) + .fail(function () { + NETDATA.chartLibraries.sparkline.enabled = false; + NETDATA.error(100, NETDATA.sparkline_js); + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }); + } else { + NETDATA.chartLibraries.sparkline.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.sparklineChartUpdate = function (state, data) { + state.sparkline_options.width = state.chartWidth(); + state.sparkline_options.height = state.chartHeight(); + + $(state.element_chart).sparkline(data.result, state.sparkline_options); + return true; +}; + +NETDATA.sparklineChartCreate = function (state, data) { + let type = NETDATA.dataAttribute(state.element, 'sparkline-type', 'line'); + let lineColor = NETDATA.dataAttribute(state.element, 'sparkline-linecolor', state.chartCustomColors()[0]); + let fillColor = NETDATA.dataAttribute(state.element, 'sparkline-fillcolor', ((state.chart.chart_type === 'line') ? NETDATA.themes.current.background : NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance))); + let chartRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemin', undefined); + let chartRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemax', undefined); + let composite = NETDATA.dataAttribute(state.element, 'sparkline-composite', undefined); + let enableTagOptions = NETDATA.dataAttribute(state.element, 'sparkline-enabletagoptions', undefined); + let tagOptionPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tagoptionprefix', undefined); + let tagValuesAttribute = NETDATA.dataAttribute(state.element, 'sparkline-tagvaluesattribute', undefined); + let disableHiddenCheck = NETDATA.dataAttribute(state.element, 'sparkline-disablehiddencheck', undefined); + let defaultPixelsPerValue = NETDATA.dataAttribute(state.element, 'sparkline-defaultpixelspervalue', undefined); + let spotColor = NETDATA.dataAttribute(state.element, 'sparkline-spotcolor', undefined); + let minSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-minspotcolor', undefined); + let maxSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-maxspotcolor', undefined); + let spotRadius = NETDATA.dataAttribute(state.element, 'sparkline-spotradius', undefined); + let valueSpots = NETDATA.dataAttribute(state.element, 'sparkline-valuespots', undefined); + let highlightSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightspotcolor', undefined); + let highlightLineColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightlinecolor', undefined); + let lineWidth = NETDATA.dataAttribute(state.element, 'sparkline-linewidth', undefined); + let normalRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemin', undefined); + let normalRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemax', undefined); + let drawNormalOnTop = NETDATA.dataAttribute(state.element, 'sparkline-drawnormalontop', undefined); + let xvalues = NETDATA.dataAttribute(state.element, 'sparkline-xvalues', undefined); + let chartRangeClip = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeclip', undefined); + let chartRangeMinX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeminx', undefined); + let chartRangeMaxX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemaxx', undefined); + let disableInteraction = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disableinteraction', false); + let disableTooltips = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disabletooltips', false); + let disableHighlight = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disablehighlight', false); + let highlightLighten = NETDATA.dataAttribute(state.element, 'sparkline-highlightlighten', 1.4); + let highlightColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightcolor', undefined); + let tooltipContainer = NETDATA.dataAttribute(state.element, 'sparkline-tooltipcontainer', undefined); + let tooltipClassname = NETDATA.dataAttribute(state.element, 'sparkline-tooltipclassname', undefined); + let tooltipFormat = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformat', undefined); + let tooltipPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipprefix', undefined); + let tooltipSuffix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipsuffix', ' ' + state.units_current); + let tooltipSkipNull = NETDATA.dataAttributeBoolean(state.element, 'sparkline-tooltipskipnull', true); + let tooltipValueLookups = NETDATA.dataAttribute(state.element, 'sparkline-tooltipvaluelookups', undefined); + let tooltipFormatFieldlist = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlist', undefined); + let tooltipFormatFieldlistKey = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlistkey', undefined); + let numberFormatter = NETDATA.dataAttribute(state.element, 'sparkline-numberformatter', function (n) { + return n.toFixed(2); + }); + let numberDigitGroupSep = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupsep', undefined); + let numberDecimalMark = NETDATA.dataAttribute(state.element, 'sparkline-numberdecimalmark', undefined); + let numberDigitGroupCount = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupcount', undefined); + let animatedZooms = NETDATA.dataAttributeBoolean(state.element, 'sparkline-animatedzooms', false); + + if (spotColor === 'disable') { + spotColor = ''; + } + if (minSpotColor === 'disable') { + minSpotColor = ''; + } + if (maxSpotColor === 'disable') { + maxSpotColor = ''; + } + + // state.log('sparkline type ' + type + ', lineColor: ' + lineColor + ', fillColor: ' + fillColor); + + state.sparkline_options = { + type: type, + lineColor: lineColor, + fillColor: fillColor, + chartRangeMin: chartRangeMin, + chartRangeMax: chartRangeMax, + composite: composite, + enableTagOptions: enableTagOptions, + tagOptionPrefix: tagOptionPrefix, + tagValuesAttribute: tagValuesAttribute, + disableHiddenCheck: disableHiddenCheck, + defaultPixelsPerValue: defaultPixelsPerValue, + spotColor: spotColor, + minSpotColor: minSpotColor, + maxSpotColor: maxSpotColor, + spotRadius: spotRadius, + valueSpots: valueSpots, + highlightSpotColor: highlightSpotColor, + highlightLineColor: highlightLineColor, + lineWidth: lineWidth, + normalRangeMin: normalRangeMin, + normalRangeMax: normalRangeMax, + drawNormalOnTop: drawNormalOnTop, + xvalues: xvalues, + chartRangeClip: chartRangeClip, + chartRangeMinX: chartRangeMinX, + chartRangeMaxX: chartRangeMaxX, + disableInteraction: disableInteraction, + disableTooltips: disableTooltips, + disableHighlight: disableHighlight, + highlightLighten: highlightLighten, + highlightColor: highlightColor, + tooltipContainer: tooltipContainer, + tooltipClassname: tooltipClassname, + tooltipChartTitle: state.title, + tooltipFormat: tooltipFormat, + tooltipPrefix: tooltipPrefix, + tooltipSuffix: tooltipSuffix, + tooltipSkipNull: tooltipSkipNull, + tooltipValueLookups: tooltipValueLookups, + tooltipFormatFieldlist: tooltipFormatFieldlist, + tooltipFormatFieldlistKey: tooltipFormatFieldlistKey, + numberFormatter: numberFormatter, + numberDigitGroupSep: numberDigitGroupSep, + numberDecimalMark: numberDecimalMark, + numberDigitGroupCount: numberDigitGroupCount, + animatedZooms: animatedZooms, + width: state.chartWidth(), + height: state.chartHeight() + }; + + $(state.element_chart).sparkline(data.result, state.sparkline_options); + + return true; +}; +// google charts + +// Codacy declarations +/* global google */ + +NETDATA.googleInitialize = function (callback) { + if (typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) { + $.ajax({ + url: NETDATA.google_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('google', NETDATA.google_js); + google.load('visualization', '1.1', { + 'packages': ['corechart', 'controls'], + 'callback': callback + }); + }) + .fail(function () { + NETDATA.chartLibraries.google.enabled = false; + NETDATA.error(100, NETDATA.google_js); + if (typeof callback === "function") { + return callback(); + } + }); + } else { + NETDATA.chartLibraries.google.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.googleChartUpdate = function (state, data) { + let datatable = new google.visualization.DataTable(data.result); + state.google_instance.draw(datatable, state.google_options); + return true; +}; + +NETDATA.googleChartCreate = function (state, data) { + let datatable = new google.visualization.DataTable(data.result); + + state.google_options = { + colors: state.chartColors(), + + // do not set width, height - the chart resizes itself + //width: state.chartWidth(), + //height: state.chartHeight(), + lineWidth: 1, + title: state.title, + fontSize: 11, + hAxis: { + // title: "Time of Day", + // format:'HH:mm:ss', + viewWindowMode: 'maximized', + slantedText: false, + format: 'HH:mm:ss', + textStyle: { + fontSize: 9 + }, + gridlines: { + color: '#EEE' + } + }, + vAxis: { + title: state.units_current, + viewWindowMode: 'pretty', + minValue: -0.1, + maxValue: 0.1, + direction: 1, + textStyle: { + fontSize: 9 + }, + gridlines: { + color: '#EEE' + } + }, + chartArea: { + width: '65%', + height: '80%' + }, + focusTarget: 'category', + annotation: { + '1': { + style: 'line' + } + }, + pointsVisible: 0, + titlePosition: 'out', + titleTextStyle: { + fontSize: 11 + }, + tooltip: { + isHtml: false, + ignoreBounds: true, + textStyle: { + fontSize: 9 + } + }, + curveType: 'function', + areaOpacity: 0.3, + isStacked: false + }; + + switch (state.chart.chart_type) { + case "area": + state.google_options.vAxis.viewWindowMode = 'maximized'; + state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area; + state.google_instance = new google.visualization.AreaChart(state.element_chart); + break; + + case "stacked": + state.google_options.isStacked = true; + state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked; + state.google_options.vAxis.viewWindowMode = 'maximized'; + state.google_options.vAxis.minValue = null; + state.google_options.vAxis.maxValue = null; + state.google_instance = new google.visualization.AreaChart(state.element_chart); + break; + + default: + case "line": + state.google_options.lineWidth = 2; + state.google_instance = new google.visualization.LineChart(state.element_chart); + break; + } + + state.google_instance.draw(datatable, state.google_options); + return true; +}; +// gauge.js + +NETDATA.gaugeInitialize = function (callback) { + if (typeof netdataNoGauge === 'undefined' || !netdataNoGauge) { + $.ajax({ + url: NETDATA.gauge_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js); + }) + .fail(function () { + NETDATA.chartLibraries.gauge.enabled = false; + NETDATA.error(100, NETDATA.gauge_js); + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }) + } + else { + NETDATA.chartLibraries.gauge.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.gaugeAnimation = function (state, status) { + let speed = 32; + + if (typeof status === 'boolean' && status === false) { + speed = 1000000000; + } else if (typeof status === 'number') { + speed = status; + } + + // console.log('gauge speed ' + speed); + state.tmp.gauge_instance.animationSpeed = speed; + state.tmp.___gaugeOld__.speed = speed; +}; + +NETDATA.gaugeSet = function (state, value, min, max) { + if (typeof value !== 'number') { + value = 0; + } + if (typeof min !== 'number') { + min = 0; + } + if (typeof max !== 'number') { + max = 0; + } + if (value > max) { + max = value; + } + if (value < min) { + min = value; + } + if (min > max) { + let t = min; + min = max; + max = t; + } + else if (min === max) { + max = min + 1; + } + + state.legendFormatValueDecimalsFromMinMax(min, max); + + // gauge.js has an issue if the needle + // is smaller than min or larger than max + // when we set the new values + // the needle will go crazy + + // to prevent it, we always feed it + // with a percentage, so that the needle + // is always between min and max + let pcent = (value - min) * 100 / (max - min); + + // bug fix for gauge.js 1.3.1 + // if the value is the absolute min or max, the chart is broken + if (pcent < 0.001) { + pcent = 0.001; + } + if (pcent > 99.999) { + pcent = 99.999; + } + + state.tmp.gauge_instance.set(pcent); + // console.log('gauge set ' + pcent + ', value ' + value + ', min ' + min + ', max ' + max); + + state.tmp.___gaugeOld__.value = value; + state.tmp.___gaugeOld__.min = min; + state.tmp.___gaugeOld__.max = max; +}; + +NETDATA.gaugeSetLabels = function (state, value, min, max) { + if (state.tmp.___gaugeOld__.valueLabel !== value) { + state.tmp.___gaugeOld__.valueLabel = value; + state.tmp.gaugeChartLabel.innerText = state.legendFormatValue(value); + } + if (state.tmp.___gaugeOld__.minLabel !== min) { + state.tmp.___gaugeOld__.minLabel = min; + state.tmp.gaugeChartMin.innerText = state.legendFormatValue(min); + } + if (state.tmp.___gaugeOld__.maxLabel !== max) { + state.tmp.___gaugeOld__.maxLabel = max; + state.tmp.gaugeChartMax.innerText = state.legendFormatValue(max); + } +}; + +NETDATA.gaugeClearSelection = function (state, force) { + if (typeof state.tmp.gaugeEvent !== 'undefined' && typeof state.tmp.gaugeEvent.timer !== 'undefined') { + NETDATA.timeout.clear(state.tmp.gaugeEvent.timer); + state.tmp.gaugeEvent.timer = undefined; + } + + if (state.isAutoRefreshable() && state.data !== null && force !== true) { + NETDATA.gaugeChartUpdate(state, state.data); + } else { + NETDATA.gaugeAnimation(state, false); + NETDATA.gaugeSetLabels(state, null, null, null); + NETDATA.gaugeSet(state, null, null, null); + } + + NETDATA.gaugeAnimation(state, true); + return true; +}; + +NETDATA.gaugeSetSelection = function (state, t) { + if (state.timeIsVisible(t) !== true) { + return NETDATA.gaugeClearSelection(state, true); + } + + let slot = state.calculateRowForTime(t); + if (slot < 0 || slot >= state.data.result.length) { + return NETDATA.gaugeClearSelection(state, true); + } + + if (typeof state.tmp.gaugeEvent === 'undefined') { + state.tmp.gaugeEvent = { + timer: undefined, + value: 0, + min: 0, + max: 0 + }; + } + + let value = state.data.result[state.data.result.length - 1 - slot]; + let min = (state.tmp.gaugeMin === null) ? NETDATA.commonMin.get(state) : state.tmp.gaugeMin; + let max = (state.tmp.gaugeMax === null) ? NETDATA.commonMax.get(state) : state.tmp.gaugeMax; + + // make sure it is zero based + // but only if it has not been set by the user + if (state.tmp.gaugeMin === null && min > 0) { + min = 0; + } + if (state.tmp.gaugeMax === null && max < 0) { + max = 0; + } + + state.tmp.gaugeEvent.value = value; + state.tmp.gaugeEvent.min = min; + state.tmp.gaugeEvent.max = max; + NETDATA.gaugeSetLabels(state, value, min, max); + + if (state.tmp.gaugeEvent.timer === undefined) { + NETDATA.gaugeAnimation(state, false); + + state.tmp.gaugeEvent.timer = NETDATA.timeout.set(function () { + state.tmp.gaugeEvent.timer = undefined; + NETDATA.gaugeSet(state, state.tmp.gaugeEvent.value, state.tmp.gaugeEvent.min, state.tmp.gaugeEvent.max); + }, 0); + } + + return true; +}; + +NETDATA.gaugeChartUpdate = function (state, data) { + let value, min, max; + + if (NETDATA.globalPanAndZoom.isActive() || state.isAutoRefreshable() === false) { + NETDATA.gaugeSetLabels(state, null, null, null); + state.tmp.gauge_instance.set(0); + } else { + value = data.result[0]; + min = (state.tmp.gaugeMin === null) ? NETDATA.commonMin.get(state) : state.tmp.gaugeMin; + max = (state.tmp.gaugeMax === null) ? NETDATA.commonMax.get(state) : state.tmp.gaugeMax; + if (value < min) { + min = value; + } + if (value > max) { + max = value; + } + + // make sure it is zero based + // but only if it has not been set by the user + if (state.tmp.gaugeMin === null && min > 0) { + min = 0; + } + if (state.tmp.gaugeMax === null && max < 0) { + max = 0; + } + + NETDATA.gaugeSet(state, value, min, max); + NETDATA.gaugeSetLabels(state, value, min, max); + } + + return true; +}; + +NETDATA.gaugeChartCreate = function (state, data) { + // let chart = $(state.element_chart); + + let value = data.result[0]; + let min = NETDATA.dataAttribute(state.element, 'gauge-min-value', null); + let max = NETDATA.dataAttribute(state.element, 'gauge-max-value', null); + // let adjust = NETDATA.dataAttribute(state.element, 'gauge-adjust', null); + let pointerColor = NETDATA.dataAttribute(state.element, 'gauge-pointer-color', NETDATA.themes.current.gauge_pointer); + let strokeColor = NETDATA.dataAttribute(state.element, 'gauge-stroke-color', NETDATA.themes.current.gauge_stroke); + let startColor = NETDATA.dataAttribute(state.element, 'gauge-start-color', state.chartCustomColors()[0]); + let stopColor = NETDATA.dataAttribute(state.element, 'gauge-stop-color', void 0); + let generateGradient = NETDATA.dataAttribute(state.element, 'gauge-generate-gradient', false); + + if (min === null) { + min = NETDATA.commonMin.get(state); + state.tmp.gaugeMin = null; + } else { + state.tmp.gaugeMin = min; + } + + if (max === null) { + max = NETDATA.commonMax.get(state); + state.tmp.gaugeMax = null; + } else { + state.tmp.gaugeMax = max; + } + + // make sure it is zero based + // but only if it has not been set by the user + if (state.tmp.gaugeMin === null && min > 0) { + min = 0; + } + if (state.tmp.gaugeMax === null && max < 0) { + max = 0; + } + + let width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5; + // console.log('gauge width: ' + width.toString() + ', height: ' + height.toString()); + //switch(adjust) { + // case 'width': width = height * ratio; break; + // case 'height': + // default: height = width / ratio; break; + //} + //state.element.style.width = width.toString() + 'px'; + //state.element.style.height = height.toString() + 'px'; + + let lum_d = 0.05; + + let options = { + lines: 12, // The number of lines to draw + angle: 0.14, // The span of the gauge arc + lineWidth: 0.57, // The line thickness + radiusScale: 1.0, // Relative radius + pointer: { + length: 0.85, // 0.9 The radius of the inner circle + strokeWidth: 0.045, // The rotation offset + color: pointerColor // Fill color + }, + limitMax: true, // If false, the max value of the gauge will be updated if value surpass max + limitMin: true, // If true, the min value of the gauge will be fixed unless you set it manually + colorStart: startColor, // Colors + colorStop: stopColor, // just experiment with them + strokeColor: strokeColor, // to see which ones work best for you + generateGradient: (generateGradient === true), // gmosx: + gradientType: 0, + highDpiSupport: true // High resolution support + }; + + if (generateGradient.constructor === Array) { + // example options: + // data-gauge-generate-gradient="[0, 50, 100]" + // data-gauge-gradient-percent-color-0="#FFFFFF" + // data-gauge-gradient-percent-color-50="#999900" + // data-gauge-gradient-percent-color-100="#000000" + + options.percentColors = []; + let len = generateGradient.length; + while (len--) { + let pcent = generateGradient[len]; + let color = NETDATA.dataAttribute(state.element, 'gauge-gradient-percent-color-' + pcent.toString(), false); + if (color !== false) { + let a = []; + a[0] = pcent / 100; + a[1] = color; + options.percentColors.unshift(a); + } + } + if (options.percentColors.length === 0) { + delete options.percentColors; + } + } else if (generateGradient === false && NETDATA.themes.current.gauge_gradient) { + //noinspection PointlessArithmeticExpressionJS + options.percentColors = [ + [0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))], + [0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))], + [0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))], + [0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))], + [0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))], + [0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))], + [0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))], + [0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))], + [0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))], + [0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))], + [1.0, NETDATA.colorLuminance(startColor, 0.0)]]; + } + + state.tmp.gauge_canvas = document.createElement('canvas'); + state.tmp.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas'; + state.tmp.gauge_canvas.className = 'gaugeChart'; + state.tmp.gauge_canvas.width = width; + state.tmp.gauge_canvas.height = height; + state.element_chart.appendChild(state.tmp.gauge_canvas); + + let valuefontsize = Math.floor(height / 5); + let valuetop = Math.round((height - valuefontsize) / 3.2); + state.tmp.gaugeChartLabel = document.createElement('span'); + state.tmp.gaugeChartLabel.className = 'gaugeChartLabel'; + state.tmp.gaugeChartLabel.style.fontSize = valuefontsize + 'px'; + state.tmp.gaugeChartLabel.style.top = valuetop.toString() + 'px'; + state.element_chart.appendChild(state.tmp.gaugeChartLabel); + + let titlefontsize = Math.round(valuefontsize / 2.1); + let titletop = 0; + state.tmp.gaugeChartTitle = document.createElement('span'); + state.tmp.gaugeChartTitle.className = 'gaugeChartTitle'; + state.tmp.gaugeChartTitle.innerText = state.title; + state.tmp.gaugeChartTitle.style.fontSize = titlefontsize + 'px'; + state.tmp.gaugeChartTitle.style.lineHeight = titlefontsize + 'px'; + state.tmp.gaugeChartTitle.style.top = titletop.toString() + 'px'; + state.element_chart.appendChild(state.tmp.gaugeChartTitle); + + let unitfontsize = Math.round(titlefontsize * 0.9); + state.tmp.gaugeChartUnits = document.createElement('span'); + state.tmp.gaugeChartUnits.className = 'gaugeChartUnits'; + state.tmp.gaugeChartUnits.innerText = state.units_current; + state.tmp.gaugeChartUnits.style.fontSize = unitfontsize + 'px'; + state.element_chart.appendChild(state.tmp.gaugeChartUnits); + + state.tmp.gaugeChartMin = document.createElement('span'); + state.tmp.gaugeChartMin.className = 'gaugeChartMin'; + state.tmp.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px'; + state.element_chart.appendChild(state.tmp.gaugeChartMin); + + state.tmp.gaugeChartMax = document.createElement('span'); + state.tmp.gaugeChartMax.className = 'gaugeChartMax'; + state.tmp.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px'; + state.element_chart.appendChild(state.tmp.gaugeChartMax); + + // when we just re-create the chart + // do not animate the first update + let animate = true; + if (typeof state.tmp.gauge_instance !== 'undefined') { + animate = false; + } + + state.tmp.gauge_instance = new Gauge(state.tmp.gauge_canvas).setOptions(options); // create sexy gauge! + + state.tmp.___gaugeOld__ = { + value: value, + min: min, + max: max, + valueLabel: null, + minLabel: null, + maxLabel: null + }; + + // we will always feed a percentage + state.tmp.gauge_instance.minValue = 0; + state.tmp.gauge_instance.maxValue = 100; + + NETDATA.gaugeAnimation(state, animate); + NETDATA.gaugeSet(state, value, min, max); + NETDATA.gaugeSetLabels(state, value, min, max); + NETDATA.gaugeAnimation(state, true); + + state.legendSetUnitsString = function (units) { + if (typeof state.tmp.gaugeChartUnits !== 'undefined' && state.tmp.units !== units) { + state.tmp.gaugeChartUnits.innerText = units; + state.tmp.___gaugeOld__.valueLabel = null; + state.tmp.___gaugeOld__.minLabel = null; + state.tmp.___gaugeOld__.maxLabel = null; + state.tmp.units = units; + } + }; + state.legendShowUndefined = function () { + if (typeof state.tmp.gauge_instance !== 'undefined') { + NETDATA.gaugeClearSelection(state); + } + }; + + return true; +}; +// ---------------------------------------------------------------------------------------------------------------- + +NETDATA.easypiechartPercentFromValueMinMax = function (state, value, min, max) { + if (typeof value !== 'number') { + value = 0; + } + if (typeof min !== 'number') { + min = 0; + } + if (typeof max !== 'number') { + max = 0; + } + + if (min > max) { + let t = min; + min = max; + max = t; + } + + if (min > value) { + min = value; + } + if (max < value) { + max = value; + } + + state.legendFormatValueDecimalsFromMinMax(min, max); + + if (state.tmp.easyPieChartMin === null && min > 0) { + min = 0; + } + if (state.tmp.easyPieChartMax === null && max < 0) { + max = 0; + } + + let pcent; + + if (min < 0 && max > 0) { + // it is both positive and negative + // zero at the top center of the chart + max = (-min > max) ? -min : max; + pcent = Math.round(value * 100 / max); + } else if (value >= 0 && min >= 0 && max >= 0) { + // clockwise + pcent = Math.round((value - min) * 100 / (max - min)); + if (pcent === 0) { + pcent = 0.1; + } + } else { + // counter clockwise + pcent = Math.round((value - max) * 100 / (max - min)); + if (pcent === 0) { + pcent = -0.1; + } + } + + return pcent; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// easy-pie-chart + +NETDATA.easypiechartInitialize = function (callback) { + if (typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) { + $.ajax({ + url: NETDATA.easypiechart_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js); + }) + .fail(function () { + NETDATA.chartLibraries.easypiechart.enabled = false; + NETDATA.error(100, NETDATA.easypiechart_js); + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }) + } else { + NETDATA.chartLibraries.easypiechart.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.easypiechartClearSelection = function (state, force) { + if (typeof state.tmp.easyPieChartEvent !== 'undefined' && typeof state.tmp.easyPieChartEvent.timer !== 'undefined') { + NETDATA.timeout.clear(state.tmp.easyPieChartEvent.timer); + state.tmp.easyPieChartEvent.timer = undefined; + } + + if (state.isAutoRefreshable() && state.data !== null && force !== true) { + NETDATA.easypiechartChartUpdate(state, state.data); + } + else { + state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(null); + state.tmp.easyPieChart_instance.update(0); + } + state.tmp.easyPieChart_instance.enableAnimation(); + + return true; +}; + +NETDATA.easypiechartSetSelection = function (state, t) { + if (state.timeIsVisible(t) !== true) { + return NETDATA.easypiechartClearSelection(state, true); + } + + let slot = state.calculateRowForTime(t); + if (slot < 0 || slot >= state.data.result.length) { + return NETDATA.easypiechartClearSelection(state, true); + } + + if (typeof state.tmp.easyPieChartEvent === 'undefined') { + state.tmp.easyPieChartEvent = { + timer: undefined, + value: 0, + pcent: 0 + }; + } + + let value = state.data.result[state.data.result.length - 1 - slot]; + let min = (state.tmp.easyPieChartMin === null) ? NETDATA.commonMin.get(state) : state.tmp.easyPieChartMin; + let max = (state.tmp.easyPieChartMax === null) ? NETDATA.commonMax.get(state) : state.tmp.easyPieChartMax; + let pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max); + + state.tmp.easyPieChartEvent.value = value; + state.tmp.easyPieChartEvent.pcent = pcent; + state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value); + + if (state.tmp.easyPieChartEvent.timer === undefined) { + state.tmp.easyPieChart_instance.disableAnimation(); + + state.tmp.easyPieChartEvent.timer = NETDATA.timeout.set(function () { + state.tmp.easyPieChartEvent.timer = undefined; + state.tmp.easyPieChart_instance.update(state.tmp.easyPieChartEvent.pcent); + }, 0); + } + + return true; +}; + +NETDATA.easypiechartChartUpdate = function (state, data) { + let value, min, max, pcent; + + if (NETDATA.globalPanAndZoom.isActive() || state.isAutoRefreshable() === false) { + value = null; + pcent = 0; + } + else { + value = data.result[0]; + min = (state.tmp.easyPieChartMin === null) ? NETDATA.commonMin.get(state) : state.tmp.easyPieChartMin; + max = (state.tmp.easyPieChartMax === null) ? NETDATA.commonMax.get(state) : state.tmp.easyPieChartMax; + pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max); + } + + state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value); + state.tmp.easyPieChart_instance.update(pcent); + return true; +}; + +NETDATA.easypiechartChartCreate = function (state, data) { + let chart = $(state.element_chart); + + let value = data.result[0]; + let min = NETDATA.dataAttribute(state.element, 'easypiechart-min-value', null); + let max = NETDATA.dataAttribute(state.element, 'easypiechart-max-value', null); + + if (min === null) { + min = NETDATA.commonMin.get(state); + state.tmp.easyPieChartMin = null; + } + else { + state.tmp.easyPieChartMin = min; + } + + if (max === null) { + max = NETDATA.commonMax.get(state); + state.tmp.easyPieChartMax = null; + } + else { + state.tmp.easyPieChartMax = max; + } + + let size = state.chartWidth(); + let stroke = Math.floor(size / 22); + if (stroke < 3) { + stroke = 2; + } + + let valuefontsize = Math.floor((size * 2 / 3) / 5); + let valuetop = Math.round((size - valuefontsize - (size / 40)) / 2); + state.tmp.easyPieChartLabel = document.createElement('span'); + state.tmp.easyPieChartLabel.className = 'easyPieChartLabel'; + state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value); + state.tmp.easyPieChartLabel.style.fontSize = valuefontsize + 'px'; + state.tmp.easyPieChartLabel.style.top = valuetop.toString() + 'px'; + state.element_chart.appendChild(state.tmp.easyPieChartLabel); + + let titlefontsize = Math.round(valuefontsize * 1.6 / 3); + let titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40)); + state.tmp.easyPieChartTitle = document.createElement('span'); + state.tmp.easyPieChartTitle.className = 'easyPieChartTitle'; + state.tmp.easyPieChartTitle.innerText = state.title; + state.tmp.easyPieChartTitle.style.fontSize = titlefontsize + 'px'; + state.tmp.easyPieChartTitle.style.lineHeight = titlefontsize + 'px'; + state.tmp.easyPieChartTitle.style.top = titletop.toString() + 'px'; + state.element_chart.appendChild(state.tmp.easyPieChartTitle); + + let unitfontsize = Math.round(titlefontsize * 0.9); + let unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40)); + state.tmp.easyPieChartUnits = document.createElement('span'); + state.tmp.easyPieChartUnits.className = 'easyPieChartUnits'; + state.tmp.easyPieChartUnits.innerText = state.units_current; + state.tmp.easyPieChartUnits.style.fontSize = unitfontsize + 'px'; + state.tmp.easyPieChartUnits.style.top = unittop.toString() + 'px'; + state.element_chart.appendChild(state.tmp.easyPieChartUnits); + + let barColor = NETDATA.dataAttribute(state.element, 'easypiechart-barcolor', undefined); + if (typeof barColor === 'undefined' || barColor === null) { + barColor = state.chartCustomColors()[0]; + } else { + // <div ... data-easypiechart-barcolor="(function(percent){return(percent < 50 ? '#5cb85c' : percent < 85 ? '#f0ad4e' : '#cb3935');})" ...></div> + let tmp = eval(barColor); + if (typeof tmp === 'function') { + barColor = tmp; + } + } + + let pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max); + chart.data('data-percent', pcent); + + chart.easyPieChart({ + barColor: barColor, + trackColor: NETDATA.dataAttribute(state.element, 'easypiechart-trackcolor', NETDATA.themes.current.easypiechart_track), + scaleColor: NETDATA.dataAttribute(state.element, 'easypiechart-scalecolor', NETDATA.themes.current.easypiechart_scale), + scaleLength: NETDATA.dataAttribute(state.element, 'easypiechart-scalelength', 5), + lineCap: NETDATA.dataAttribute(state.element, 'easypiechart-linecap', 'round'), + lineWidth: NETDATA.dataAttribute(state.element, 'easypiechart-linewidth', stroke), + trackWidth: NETDATA.dataAttribute(state.element, 'easypiechart-trackwidth', undefined), + size: NETDATA.dataAttribute(state.element, 'easypiechart-size', size), + rotate: NETDATA.dataAttribute(state.element, 'easypiechart-rotate', 0), + animate: NETDATA.dataAttribute(state.element, 'easypiechart-animate', {duration: 500, enabled: true}), + easing: NETDATA.dataAttribute(state.element, 'easypiechart-easing', undefined) + }); + + // when we just re-create the chart + // do not animate the first update + let animate = true; + if (typeof state.tmp.easyPieChart_instance !== 'undefined') { + animate = false; + } + + state.tmp.easyPieChart_instance = chart.data('easyPieChart'); + if (animate === false) { + state.tmp.easyPieChart_instance.disableAnimation(); + } + state.tmp.easyPieChart_instance.update(pcent); + if (animate === false) { + state.tmp.easyPieChart_instance.enableAnimation(); + } + + state.legendSetUnitsString = function (units) { + if (typeof state.tmp.easyPieChartUnits !== 'undefined' && state.tmp.units !== units) { + state.tmp.easyPieChartUnits.innerText = units; + state.tmp.units = units; + } + }; + state.legendShowUndefined = function () { + if (typeof state.tmp.easyPieChart_instance !== 'undefined') { + NETDATA.easypiechartClearSelection(state); + } + }; + + return true; +}; + +// d3pie + +NETDATA.d3pieInitialize = function (callback) { + if (typeof netdataNoD3pie === 'undefined' || !netdataNoD3pie) { + + // d3pie requires D3 + if (!NETDATA.chartLibraries.d3.initialized) { + if (NETDATA.chartLibraries.d3.enabled) { + NETDATA.d3Initialize(function () { + NETDATA.d3pieInitialize(callback); + }); + } else { + NETDATA.chartLibraries.d3pie.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } + } else { + $.ajax({ + url: NETDATA.d3pie_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('d3pie', NETDATA.d3pie_js); + }) + .fail(function () { + NETDATA.chartLibraries.d3pie.enabled = false; + NETDATA.error(100, NETDATA.d3pie_js); + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }); + } + } else { + NETDATA.chartLibraries.d3pie.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.d3pieSetContent = function (state, data, index) { + state.legendFormatValueDecimalsFromMinMax( + data.min, + data.max + ); + + let content = []; + let colors = state.chartColors(); + let len = data.result.labels.length; + for (let i = 1; i < len; i++) { + let label = data.result.labels[i]; + let value = data.result.data[index][label]; + let color = colors[i - 1]; + + if (value !== null && value > 0) { + content.push({ + label: label, + value: value, + color: color + }); + } + } + + if (content.length === 0) { + content.push({ + label: 'no data', + value: 100, + color: '#666666' + }); + } + + state.tmp.d3pie_last_slot = index; + return content; +}; + +NETDATA.d3pieDateRange = function (state, data, index) { + let dt = Math.round((data.before - data.after + 1) / data.points); + let dt_str = NETDATA.seconds4human(dt); + + let before = data.result.data[index].time; + let after = before - (dt * 1000); + + let d1 = NETDATA.dateTime.localeDateString(after); + let t1 = NETDATA.dateTime.localeTimeString(after); + let d2 = NETDATA.dateTime.localeDateString(before); + let t2 = NETDATA.dateTime.localeTimeString(before); + + if (d1 === d2) { + return d1 + ' ' + t1 + ' to ' + t2 + ', ' + dt_str; + } + + return d1 + ' ' + t1 + ' to ' + d2 + ' ' + t2 + ', ' + dt_str; +}; + +NETDATA.d3pieSetSelection = function (state, t) { + if (state.timeIsVisible(t) !== true) { + return NETDATA.d3pieClearSelection(state, true); + } + + let slot = state.calculateRowForTime(t); + slot = state.data.result.data.length - slot - 1; + + if (slot < 0 || slot >= state.data.result.length) { + return NETDATA.d3pieClearSelection(state, true); + } + + if (state.tmp.d3pie_last_slot === slot) { + // we already show this slot, don't do anything + return true; + } + + if (state.tmp.d3pie_timer === undefined) { + state.tmp.d3pie_timer = NETDATA.timeout.set(function () { + state.tmp.d3pie_timer = undefined; + NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, state.data, slot), NETDATA.d3pieDateRange(state, state.data, slot)); + }, 0); + } + + return true; +}; + +NETDATA.d3pieClearSelection = function (state, force) { + if (typeof state.tmp.d3pie_timer !== 'undefined') { + NETDATA.timeout.clear(state.tmp.d3pie_timer); + state.tmp.d3pie_timer = undefined; + } + + if (state.isAutoRefreshable() && state.data !== null && force !== true) { + NETDATA.d3pieChartUpdate(state, state.data); + } else { + if (state.tmp.d3pie_last_slot !== -1) { + state.tmp.d3pie_last_slot = -1; + NETDATA.d3pieChange(state, [{label: 'no data', value: 1, color: '#666666'}], 'no data available'); + } + } + + return true; +}; + +NETDATA.d3pieChange = function (state, content, footer) { + if (state.d3pie_forced_subtitle === null) { + //state.d3pie_instance.updateProp("header.subtitle.text", state.units_current); + state.d3pie_instance.options.header.subtitle.text = state.units_current; + } + + if (state.d3pie_forced_footer === null) { + //state.d3pie_instance.updateProp("footer.text", footer); + state.d3pie_instance.options.footer.text = footer; + } + + //state.d3pie_instance.updateProp("data.content", content); + state.d3pie_instance.options.data.content = content; + state.d3pie_instance.destroy(); + state.d3pie_instance.recreate(); + return true; +}; + +NETDATA.d3pieChartUpdate = function (state, data) { + return NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, data, 0), NETDATA.d3pieDateRange(state, data, 0)); +}; + +NETDATA.d3pieChartCreate = function (state, data) { + + state.element_chart.id = 'd3pie-' + state.uuid; + // console.log('id = ' + state.element_chart.id); + + let content = NETDATA.d3pieSetContent(state, data, 0); + + state.d3pie_forced_title = NETDATA.dataAttribute(state.element, 'd3pie-title', null); + state.d3pie_forced_subtitle = NETDATA.dataAttribute(state.element, 'd3pie-subtitle', null); + state.d3pie_forced_footer = NETDATA.dataAttribute(state.element, 'd3pie-footer', null); + + state.d3pie_options = { + header: { + title: { + text: (state.d3pie_forced_title !== null) ? state.d3pie_forced_title : state.title, + color: NETDATA.dataAttribute(state.element, 'd3pie-title-color', NETDATA.themes.current.d3pie.title), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-title-fontsize', 12), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-title-fontweight', "bold"), + font: NETDATA.dataAttribute(state.element, 'd3pie-title-font', "arial") + }, + subtitle: { + text: (state.d3pie_forced_subtitle !== null) ? state.d3pie_forced_subtitle : state.units_current, + color: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-color', NETDATA.themes.current.d3pie.subtitle), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontsize', 10), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontweight', "normal"), + font: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-font', "arial") + }, + titleSubtitlePadding: 1 + }, + footer: { + text: (state.d3pie_forced_footer !== null) ? state.d3pie_forced_footer : NETDATA.d3pieDateRange(state, data, 0), + color: NETDATA.dataAttribute(state.element, 'd3pie-footer-color', NETDATA.themes.current.d3pie.footer), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontsize', 9), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontweight', "bold"), + font: NETDATA.dataAttribute(state.element, 'd3pie-footer-font', "arial"), + location: NETDATA.dataAttribute(state.element, 'd3pie-footer-location', "bottom-center") // bottom-left, bottom-center, bottom-right + }, + size: { + canvasHeight: state.chartHeight(), + canvasWidth: state.chartWidth(), + pieInnerRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieinnerradius', "45%"), + pieOuterRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieouterradius', "80%") + }, + data: { + // none, random, value-asc, value-desc, label-asc, label-desc + sortOrder: NETDATA.dataAttribute(state.element, 'd3pie-sortorder', "value-desc"), + smallSegmentGrouping: { + enabled: NETDATA.dataAttributeBoolean(state.element, "d3pie-smallsegmentgrouping-enabled", false), + value: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-value', 1), + // percentage, value + valueType: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-valuetype', "percentage"), + label: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-label', "other"), + color: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-color', NETDATA.themes.current.d3pie.other) + }, + + // REQUIRED! This is where you enter your pie data; it needs to be an array of objects + // of this form: { label: "label", value: 1.5, color: "#000000" } - color is optional + content: content + }, + labels: { + outer: { + // label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2 + format: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-format', "label-value1"), + hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-hidewhenlessthanpercentage', null), + pieDistance: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-piedistance', 15) + }, + inner: { + // label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2 + format: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-format', "percentage"), + hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-hidewhenlessthanpercentage', 2) + }, + mainLabel: { + color: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-color', NETDATA.themes.current.d3pie.mainlabel), // or 'segment' for dynamic color + font: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-font', "arial"), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontsize', 10), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontweight', "normal") + }, + percentage: { + color: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-color', NETDATA.themes.current.d3pie.percentage), + font: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-font', "arial"), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontsize', 10), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontweight', "bold"), + decimalPlaces: 0 + }, + value: { + color: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-color', NETDATA.themes.current.d3pie.value), + font: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-font', "arial"), + fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontsize', 10), + fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontweight', "bold") + }, + lines: { + enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-lines-enabled', true), + style: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-style', "curved"), + color: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-color', "segment") // "segment" or a hex color + }, + truncation: { + enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-truncation-enabled', false), + truncateLength: NETDATA.dataAttribute(state.element, 'd3pie-labels-truncation-truncatelength', 30) + }, + formatter: function (context) { + // console.log(context); + if (context.part === 'value') { + return state.legendFormatValue(context.value); + } + if (context.part === 'percentage') { + return context.label + '%'; + } + + return context.label; + } + }, + effects: { + load: { + effect: "none", // none / default + speed: 0 // commented in the d3pie code to speed it up + }, + pullOutSegmentOnClick: { + effect: "bounce", // none / linear / bounce / elastic / back + speed: 400, + size: 5 + }, + highlightSegmentOnMouseover: true, + highlightLuminosity: -0.2 + }, + tooltips: { + enabled: false, + type: "placeholder", // caption|placeholder + string: "", + placeholderParser: null, // function + styles: { + fadeInSpeed: 250, + backgroundColor: NETDATA.themes.current.d3pie.tooltip_bg, + backgroundOpacity: 0.5, + color: NETDATA.themes.current.d3pie.tooltip_fg, + borderRadius: 2, + font: "arial", + fontSize: 12, + padding: 4 + } + }, + misc: { + colors: { + background: 'transparent', // transparent or color # + // segments: state.chartColors(), + segmentStroke: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-segmentstroke', NETDATA.themes.current.d3pie.segment_stroke) + }, + gradient: { + enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-misc-gradient-enabled', false), + percentage: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-percentage', 95), + color: NETDATA.dataAttribute(state.element, 'd3pie-misc-gradient-color', NETDATA.themes.current.d3pie.gradient_color) + }, + canvasPadding: { + top: 5, + right: 5, + bottom: 5, + left: 5 + }, + pieCenterOffset: { + x: 0, + y: 0 + }, + cssPrefix: NETDATA.dataAttribute(state.element, 'd3pie-cssprefix', null) + }, + callbacks: { + onload: null, + onMouseoverSegment: null, + onMouseoutSegment: null, + onClickSegment: null + } + }; + + state.d3pie_instance = new d3pie(state.element_chart, state.d3pie_options); + return true; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// D3 + +NETDATA.d3Initialize = function(callback) { + if (typeof netdataStopD3 === 'undefined' || !netdataStopD3) { + $.ajax({ + url: NETDATA.d3_js, + cache: true, + dataType: "script", + xhrFields: { withCredentials: true } // required for the cookie + }) + .done(function() { + NETDATA.registerChartLibrary('d3', NETDATA.d3_js); + }) + .fail(function() { + NETDATA.chartLibraries.d3.enabled = false; + NETDATA.error(100, NETDATA.d3_js); + }) + .always(function() { + if (typeof callback === "function") + return callback(); + }); + } else { + NETDATA.chartLibraries.d3.enabled = false; + if (typeof callback === "function") + return callback(); + } +}; + +NETDATA.d3ChartUpdate = function(state, data) { + void(state); + void(data); + + return false; +}; + +NETDATA.d3ChartCreate = function(state, data) { + void(state); + void(data); + + return false; +}; + +// peity + +NETDATA.peityInitialize = function (callback) { + if (typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) { + $.ajax({ + url: NETDATA.peity_js, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + NETDATA.registerChartLibrary('peity', NETDATA.peity_js); + }) + .fail(function () { + NETDATA.chartLibraries.peity.enabled = false; + NETDATA.error(100, NETDATA.peity_js); + }) + .always(function () { + if (typeof callback === "function") { + return callback(); + } + }); + } else { + NETDATA.chartLibraries.peity.enabled = false; + if (typeof callback === "function") { + return callback(); + } + } +}; + +NETDATA.peityChartUpdate = function (state, data) { + state.peity_instance.innerHTML = data.result; + + if (state.peity_options.stroke !== state.chartCustomColors()[0]) { + state.peity_options.stroke = state.chartCustomColors()[0]; + if (state.chart.chart_type === 'line') { + state.peity_options.fill = NETDATA.themes.current.background; + } else { + state.peity_options.fill = NETDATA.colorLuminance(state.chartCustomColors()[0], NETDATA.chartDefaults.fill_luminance); + } + } + + $(state.peity_instance).peity('line', state.peity_options); + return true; +}; + +NETDATA.peityChartCreate = function (state, data) { + state.peity_instance = document.createElement('div'); + state.element_chart.appendChild(state.peity_instance); + + state.peity_options = { + stroke: NETDATA.themes.current.foreground, + strokeWidth: NETDATA.dataAttribute(state.element, 'peity-strokewidth', 1), + width: state.chartWidth(), + height: state.chartHeight(), + fill: NETDATA.themes.current.foreground + }; + + NETDATA.peityChartUpdate(state, data); + return true; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// "Text-only" chart - Just renders the raw value to the DOM + +NETDATA.textOnlyCreate = function(state, data) { + var decimalPlaces = NETDATA.dataAttribute(state.element, 'textonly-decimal-places', 1); + var prefix = NETDATA.dataAttribute(state.element, 'textonly-prefix', ''); + var suffix = NETDATA.dataAttribute(state.element, 'textonly-suffix', ''); + + // Round based on number of decimal places to show + var precision = Math.pow(10, decimalPlaces); + var value = Math.round(data.result[0] * precision) / precision; + + state.element.textContent = prefix + value + suffix; + return true; +} + +NETDATA.textOnlyUpdate = NETDATA.textOnlyCreate; +// Charts Libraries Registration + +NETDATA.chartLibraries = { + "dygraph": { + initialize: NETDATA.dygraphInitialize, + create: NETDATA.dygraphChartCreate, + update: NETDATA.dygraphChartUpdate, + resize: function (state) { + if (typeof state.tmp.dygraph_instance !== 'undefined' && typeof state.tmp.dygraph_instance.resize === 'function') { + state.tmp.dygraph_instance.resize(); + } + }, + setSelection: NETDATA.dygraphSetSelection, + clearSelection: NETDATA.dygraphClearSelection, + toolboxPanAndZoom: NETDATA.dygraphToolboxPanAndZoom, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'), + format: function (state) { + void(state); + return 'json'; + }, + options: function (state) { + return 'ms' + '%7C' + 'flip' + (this.isLogScale(state) ? ('%7C' + 'abs') : '').toString(); + }, + legend: function (state) { + return (this.isSparkline(state) === false && NETDATA.dataAttributeBoolean(state.element, 'legend', true) === true) ? 'right-side' : null; + }, + autoresize: function (state) { + void(state); + return true; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return true; + }, + pixels_per_point: function (state) { + return (this.isSparkline(state) === false) ? 3 : 2; + }, + isSparkline: function (state) { + if (typeof state.tmp.dygraph_sparkline === 'undefined') { + state.tmp.dygraph_sparkline = (this.theme(state) === 'sparkline'); + } + return state.tmp.dygraph_sparkline; + }, + isLogScale: function (state) { + if (typeof state.tmp.dygraph_logscale === 'undefined') { + state.tmp.dygraph_logscale = (this.theme(state) === 'logscale'); + } + return state.tmp.dygraph_logscale; + }, + theme: function (state) { + if (typeof state.tmp.dygraph_theme === 'undefined') { + state.tmp.dygraph_theme = NETDATA.dataAttribute(state.element, 'dygraph-theme', 'default'); + } + return state.tmp.dygraph_theme; + }, + container_class: function (state) { + if (this.legend(state) !== null) { + return 'netdata-container-with-legend'; + } + return 'netdata-container'; + } + }, + "sparkline": { + initialize: NETDATA.sparklineInitialize, + create: NETDATA.sparklineChartCreate, + update: NETDATA.sparklineChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { void(state); return true; }, + clearSelection: undefined, // function(state) { void(state); return true; }, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + format: function (state) { + void(state); + return 'array'; + }, + options: function (state) { + void(state); + return 'flip' + '%7C' + 'abs'; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return false; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + } + }, + "peity": { + initialize: NETDATA.peityInitialize, + create: NETDATA.peityChartCreate, + update: NETDATA.peityChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { void(state); return true; }, + clearSelection: undefined, // function(state) { void(state); return true; }, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + format: function (state) { + void(state); + return 'ssvcomma'; + }, + options: function (state) { + void(state); + return 'null2zero' + '%7C' + 'flip' + '%7C' + 'abs'; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return false; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + } + }, + // "morris": { + // initialize: NETDATA.morrisInitialize, + // create: NETDATA.morrisChartCreate, + // update: NETDATA.morrisChartUpdate, + // resize: null, + // setSelection: undefined, // function(state, t) { void(state); return true; }, + // clearSelection: undefined, // function(state) { void(state); return true; }, + // toolboxPanAndZoom: null, + // initialized: false, + // enabled: true, + // xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'), + // format: function(state) { void(state); return 'json'; }, + // options: function(state) { void(state); return 'objectrows' + '%7C' + 'ms'; }, + // legend: function(state) { void(state); return null; }, + // autoresize: function(state) { void(state); return false; }, + // max_updates_to_recreate: function(state) { void(state); return 50; }, + // track_colors: function(state) { void(state); return false; }, + // pixels_per_point: function(state) { void(state); return 15; }, + // container_class: function(state) { void(state); return 'netdata-container'; } + // }, + "google": { + initialize: NETDATA.googleInitialize, + create: NETDATA.googleChartCreate, + update: NETDATA.googleChartUpdate, + resize: null, + setSelection: undefined, //function(state, t) { void(state); return true; }, + clearSelection: undefined, //function(state) { void(state); return true; }, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result.rows$'), + format: function (state) { + void(state); + return 'datatable'; + }, + options: function (state) { + void(state); + return ''; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 300; + }, + track_colors: function (state) { + void(state); + return false; + }, + pixels_per_point: function (state) { + void(state); + return 4; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + } + }, + // "raphael": { + // initialize: NETDATA.raphaelInitialize, + // create: NETDATA.raphaelChartCreate, + // update: NETDATA.raphaelChartUpdate, + // resize: null, + // setSelection: undefined, // function(state, t) { void(state); return true; }, + // clearSelection: undefined, // function(state) { void(state); return true; }, + // toolboxPanAndZoom: null, + // initialized: false, + // enabled: true, + // xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'), + // format: function(state) { void(state); return 'json'; }, + // options: function(state) { void(state); return ''; }, + // legend: function(state) { void(state); return null; }, + // autoresize: function(state) { void(state); return false; }, + // max_updates_to_recreate: function(state) { void(state); return 5000; }, + // track_colors: function(state) { void(state); return false; }, + // pixels_per_point: function(state) { void(state); return 3; }, + // container_class: function(state) { void(state); return 'netdata-container'; } + // }, + // "c3": { + // initialize: NETDATA.c3Initialize, + // create: NETDATA.c3ChartCreate, + // update: NETDATA.c3ChartUpdate, + // resize: null, + // setSelection: undefined, // function(state, t) { void(state); return true; }, + // clearSelection: undefined, // function(state) { void(state); return true; }, + // toolboxPanAndZoom: null, + // initialized: false, + // enabled: true, + // xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + // format: function(state) { void(state); return 'csvjsonarray'; }, + // options: function(state) { void(state); return 'milliseconds'; }, + // legend: function(state) { void(state); return null; }, + // autoresize: function(state) { void(state); return false; }, + // max_updates_to_recreate: function(state) { void(state); return 5000; }, + // track_colors: function(state) { void(state); return false; }, + // pixels_per_point: function(state) { void(state); return 15; }, + // container_class: function(state) { void(state); return 'netdata-container'; } + // }, + "d3pie": { + initialize: NETDATA.d3pieInitialize, + create: NETDATA.d3pieChartCreate, + update: NETDATA.d3pieChartUpdate, + resize: null, + setSelection: NETDATA.d3pieSetSelection, + clearSelection: NETDATA.d3pieClearSelection, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'), + format: function (state) { + void(state); + return 'json'; + }, + options: function (state) { + void(state); + return 'objectrows' + '%7C' + 'ms'; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return false; + }, + pixels_per_point: function (state) { + void(state); + return 15; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + } + }, + "d3": { + initialize: NETDATA.d3Initialize, + create: NETDATA.d3ChartCreate, + update: NETDATA.d3ChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { void(state); return true; }, + clearSelection: undefined, // function(state) { void(state); return true; }, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'), + format: function (state) { + void(state); + return 'json'; + }, + options: function (state) { + void(state); + return ''; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return false; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + } + }, + "easypiechart": { + initialize: NETDATA.easypiechartInitialize, + create: NETDATA.easypiechartChartCreate, + update: NETDATA.easypiechartChartUpdate, + resize: null, + setSelection: NETDATA.easypiechartSetSelection, + clearSelection: NETDATA.easypiechartClearSelection, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + format: function (state) { + void(state); + return 'array'; + }, + options: function (state) { + void(state); + return 'absolute'; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return true; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + aspect_ratio: 100, + container_class: function (state) { + void(state); + return 'netdata-container-easypiechart'; + } + }, + "gauge": { + initialize: NETDATA.gaugeInitialize, + create: NETDATA.gaugeChartCreate, + update: NETDATA.gaugeChartUpdate, + resize: null, + setSelection: NETDATA.gaugeSetSelection, + clearSelection: NETDATA.gaugeClearSelection, + toolboxPanAndZoom: null, + initialized: false, + enabled: true, + xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + format: function (state) { + void(state); + return 'array'; + }, + options: function (state) { + void(state); + return 'absolute'; + }, + legend: function (state) { + void(state); + return null; + }, + autoresize: function (state) { + void(state); + return false; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + track_colors: function (state) { + void(state); + return true; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + aspect_ratio: 60, + container_class: function (state) { + void(state); + return 'netdata-container-gauge'; + } + }, + "textonly": { + autoresize: function (state) { + void(state); + return false; + }, + container_class: function (state) { + void(state); + return 'netdata-container'; + }, + create: NETDATA.textOnlyCreate, + enabled: true, + format: function (state) { + void(state); + return 'array'; + }, + initialized: true, + initialize: function (callback) { + callback(); + }, + legend: function (state) { + void(state); + return null; + }, + max_updates_to_recreate: function (state) { + void(state); + return 5000; + }, + options: function (state) { + void(state); + return 'absolute'; + }, + pixels_per_point: function (state) { + void(state); + return 3; + }, + track_colors: function (state) { + void(state); + return false; + }, + update: NETDATA.textOnlyUpdate, + xssRegexIgnore: new RegExp('^/api/v1/data\.result$'), + } +}; + +NETDATA.registerChartLibrary = function (library, url) { + if (NETDATA.options.debug.libraries) { + console.log("registering chart library: " + library); + } + + NETDATA.chartLibraries[library].url = url; + NETDATA.chartLibraries[library].initialized = true; + NETDATA.chartLibraries[library].enabled = true; +}; + +// *** src/dashboard.js/chart-registry.js + +// Chart Registry + +// When multiple charts need the same chart, we avoid downloading it +// multiple times (and having it in browser memory multiple time) +// by using this registry. + +// Every time we download a chart definition, we save it here with .add() +// Then we try to get it back with .get(). If that fails, we download it. + +NETDATA.fixHost = function (host) { + while (host.slice(-1) === '/') { + host = host.substring(0, host.length - 1); + } + + return host; +}; + +NETDATA.chartRegistry = { + charts: {}, + + globalReset: function () { + this.charts = {}; + }, + + add: function (host, id, data) { + if (typeof this.charts[host] === 'undefined') { + this.charts[host] = {}; + } + + //console.log('added ' + host + '/' + id); + this.charts[host][id] = data; + }, + + get: function (host, id) { + if (typeof this.charts[host] === 'undefined') { + return null; + } + + if (typeof this.charts[host][id] === 'undefined') { + return null; + } + + //console.log('cached ' + host + '/' + id); + return this.charts[host][id]; + }, + + downloadAll: function (host, callback) { + host = NETDATA.fixHost(host); + + let self = this; + + function got_data(h, data, callback) { + if (data !== null) { + self.charts[h] = data.charts; + + // update the server timezone in our options + if (typeof data.timezone === 'string') { + NETDATA.options.server_timezone = data.timezone; + } + } else { + NETDATA.error(406, h + '/api/v1/charts'); + } + + if (typeof callback === 'function') { + callback(data); + } + } + + if (netdataSnapshotData !== null) { + got_data(host, netdataSnapshotData.charts, callback); + } else { + $.ajax({ + url: host + '/api/v1/charts', + async: true, + cache: false, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkOptional('/api/v1/charts', data); + got_data(host, data, callback); + }) + .fail(function () { + NETDATA.error(405, host + '/api/v1/charts'); + + if (typeof callback === 'function') { + callback(null); + } + }); + } + } +}; + +// Compute common (joint) values over multiple charts. + + +// commonMin & commonMax + +NETDATA.commonMin = { + keys: {}, + latest: {}, + + globalReset: function () { + this.keys = {}; + this.latest = {}; + }, + + get: function (state) { + if (typeof state.tmp.__commonMin === 'undefined') { + // get the commonMin setting + state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null); + } + + let min = state.data.min; + let name = state.tmp.__commonMin; + + if (name === null) { + // we don't need commonMin + //state.log('no need for commonMin'); + return min; + } + + let t = this.keys[name]; + if (typeof t === 'undefined') { + // add our commonMin + this.keys[name] = {}; + t = this.keys[name]; + } + + let uuid = state.uuid; + if (typeof t[uuid] !== 'undefined') { + if (t[uuid] === min) { + //state.log('commonMin ' + state.tmp.__commonMin + ' not changed: ' + this.latest[name]); + return this.latest[name]; + } else if (min < this.latest[name]) { + //state.log('commonMin ' + state.tmp.__commonMin + ' increased: ' + min); + t[uuid] = min; + this.latest[name] = min; + return min; + } + } + + // add our min + t[uuid] = min; + + // find the common min + let m = min; + // for (let i in t) { + // if (t.hasOwnProperty(i) && t[i] < m) m = t[i]; + // } + for (var ti of Object.values(t)) { + if (ti < m) { + m = ti; + } + } + + //state.log('commonMin ' + state.tmp.__commonMin + ' updated: ' + m); + this.latest[name] = m; + return m; + } +}; + +NETDATA.commonMax = { + keys: {}, + latest: {}, + + globalReset: function () { + this.keys = {}; + this.latest = {}; + }, + + get: function (state) { + if (typeof state.tmp.__commonMax === 'undefined') { + // get the commonMax setting + state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null); + } + + let max = state.data.max; + let name = state.tmp.__commonMax; + + if (name === null) { + // we don't need commonMax + //state.log('no need for commonMax'); + return max; + } + + let t = this.keys[name]; + if (typeof t === 'undefined') { + // add our commonMax + this.keys[name] = {}; + t = this.keys[name]; + } + + let uuid = state.uuid; + if (typeof t[uuid] !== 'undefined') { + if (t[uuid] === max) { + //state.log('commonMax ' + state.tmp.__commonMax + ' not changed: ' + this.latest[name]); + return this.latest[name]; + } else if (max > this.latest[name]) { + //state.log('commonMax ' + state.tmp.__commonMax + ' increased: ' + max); + t[uuid] = max; + this.latest[name] = max; + return max; + } + } + + // add our max + t[uuid] = max; + + // find the common max + let m = max; + // for (let i in t) { + // if (t.hasOwnProperty(i) && t[i] > m) m = t[i]; + // } + for (var ti of Object.values(t)) { + if (ti > m) { + m = ti; + } + } + + //state.log('commonMax ' + state.tmp.__commonMax + ' updated: ' + m); + this.latest[name] = m; + return m; + } +}; + +NETDATA.commonColors = { + keys: {}, + + globalReset: function () { + this.keys = {}; + }, + + get: function (state, label) { + let ret = this.refill(state); + + if (typeof ret.assigned[label] === 'undefined') { + ret.assigned[label] = ret.available.shift(); + } + + return ret.assigned[label]; + }, + + refill: function (state) { + let ret, len; + + if (typeof state.tmp.__commonColors === 'undefined') { + ret = this.prepare(state); + } else { + ret = this.keys[state.tmp.__commonColors]; + if (typeof ret === 'undefined') { + ret = this.prepare(state); + } + } + + if (ret.available.length === 0) { + if (ret.copy_theme || ret.custom.length === 0) { + // copy the theme colors + len = NETDATA.themes.current.colors.length; + while (len--) { + ret.available.unshift(NETDATA.themes.current.colors[len]); + } + } + + // copy the custom colors + len = ret.custom.length; + while (len--) { + ret.available.unshift(ret.custom[len]); + } + } + + state.colors_assigned = ret.assigned; + state.colors_available = ret.available; + state.colors_custom = ret.custom; + + return ret; + }, + + __read_custom_colors: function (state, ret) { + // add the user supplied colors + let c = NETDATA.dataAttribute(state.element, 'colors', undefined); + if (typeof c === 'string' && c.length > 0) { + c = c.split(' '); + let len = c.length; + + if (len > 0 && c[len - 1] === 'ONLY') { + len--; + ret.copy_theme = false; + } + + while (len--) { + ret.custom.unshift(c[len]); + } + } + }, + + prepare: function (state) { + let has_custom_colors = false; + + if (typeof state.tmp.__commonColors === 'undefined') { + let defname = state.chart.context; + + // if this chart has data-colors="" + // we should use the chart uuid as the default key (private palette) + // (data-common-colors="NAME" will be used anyways) + let c = NETDATA.dataAttribute(state.element, 'colors', undefined); + if (typeof c === 'string' && c.length > 0) { + defname = state.uuid; + has_custom_colors = true; + } + + // get the commonColors setting + state.tmp.__commonColors = NETDATA.dataAttribute(state.element, 'common-colors', defname); + } + + let name = state.tmp.__commonColors; + let ret = this.keys[name]; + + if (typeof ret === 'undefined') { + // add our commonMax + this.keys[name] = { + assigned: {}, // name-value of dimensions and their colors + available: [], // an array of colors available to be used + custom: [], // the array of colors defined by the user + charts: {}, // the charts linked to this + copy_theme: true + }; + ret = this.keys[name]; + } + + if (typeof ret.charts[state.uuid] === 'undefined') { + ret.charts[state.uuid] = state; + + if (has_custom_colors) { + this.__read_custom_colors(state, ret); + } + } + + return ret; + } +}; + +// *** src/dashboard.js/main.js + +// Codacy declarations +/* global clipboard */ +/* global Ps */ + +if (NETDATA.options.debug.main_loop) { + console.log('welcome to NETDATA'); +} + +NETDATA.onresizeCallback = null; +NETDATA.onresize = function () { + NETDATA.options.last_page_resize = Date.now(); + NETDATA.onscroll(); + + if (typeof NETDATA.onresizeCallback === 'function') { + NETDATA.onresizeCallback(); + } +}; + +NETDATA.abortAllRefreshes = function () { + let targets = NETDATA.options.targets; + let len = targets.length; + + while (len--) { + if (targets[len].fetching_data) { + if (typeof targets[len].xhr !== 'undefined') { + targets[len].xhr.abort(); + targets[len].running = false; + targets[len].fetching_data = false; + } + } + } +}; + +NETDATA.onscrollStartDelay = function () { + NETDATA.options.last_page_scroll = Date.now(); + + NETDATA.options.on_scroll_refresher_stop_until = + NETDATA.options.last_page_scroll + + (NETDATA.options.current.async_on_scroll ? 1000 : 0); +}; + +NETDATA.onscrollEndDelay = function () { + NETDATA.options.on_scroll_refresher_stop_until = + Date.now() + + (NETDATA.options.current.async_on_scroll ? NETDATA.options.current.onscroll_worker_duration_threshold : 0); +}; + +NETDATA.onscroll_updater_timeout_id = undefined; +NETDATA.onscrollUpdater = function () { + NETDATA.globalSelectionSync.stop(); + + if (NETDATA.options.abort_ajax_on_scroll) { + NETDATA.abortAllRefreshes(); + } + + // when the user scrolls he sees that we have + // hidden all the not-visible charts + // using this little function we try to switch + // the charts back to visible quickly + + if (!NETDATA.intersectionObserver.enabled()) { + if (!NETDATA.options.current.parallel_refresher) { + let targets = NETDATA.options.targets; + let len = targets.length; + + while (len--) { + if (!targets[len].running) { + targets[len].isVisible(); + } + } + } + } + + NETDATA.onscrollEndDelay(); +}; + +NETDATA.scrollUp = false; +NETDATA.scrollY = window.scrollY; +NETDATA.onscroll = function () { + //console.log('onscroll() begin'); + + NETDATA.onscrollStartDelay(); + NETDATA.chartRefresherReschedule(); + + NETDATA.scrollUp = (window.scrollY > NETDATA.scrollY); + NETDATA.scrollY = window.scrollY; + + if (NETDATA.onscroll_updater_timeout_id) { + NETDATA.timeout.clear(NETDATA.onscroll_updater_timeout_id); + } + + NETDATA.onscroll_updater_timeout_id = NETDATA.timeout.set(NETDATA.onscrollUpdater, 0); + //console.log('onscroll() end'); +}; + +NETDATA.supportsPassiveEvents = function () { + if (NETDATA.options.passive_events === null) { + let supportsPassive = false; + try { + let opts = Object.defineProperty({}, 'passive', { + get: function () { + supportsPassive = true; + } + }); + window.addEventListener("test", null, opts); + } catch (e) { + console.log('browser does not support passive events'); + } + + NETDATA.options.passive_events = supportsPassive; + } + + // console.log('passive ' + NETDATA.options.passive_events); + return NETDATA.options.passive_events; +}; + +window.addEventListener('resize', NETDATA.onresize, NETDATA.supportsPassiveEvents() ? {passive: true} : false); +window.addEventListener('scroll', NETDATA.onscroll, NETDATA.supportsPassiveEvents() ? {passive: true} : false); +// window.onresize = NETDATA.onresize; +// window.onscroll = NETDATA.onscroll; + +// ---------------------------------------------------------------------------------------------------------------- +// Global Pan and Zoom on charts + +// Using this structure are synchronize all the charts, so that +// when you pan or zoom one, all others are automatically refreshed +// to the same timespan. + +NETDATA.globalPanAndZoom = { + seq: 0, // timestamp ms + // every time a chart is panned or zoomed + // we set the timestamp here + // then we use it as a sequence number + // to find if other charts are synchronized + // to this time-range + + master: null, // the master chart (state), to which all others + // are synchronized + + force_before_ms: null, // the timespan to sync all other charts + force_after_ms: null, + + callback: null, + + globalReset: function () { + this.clearMaster(); + this.seq = 0; + this.master = null; + this.force_after_ms = null; + this.force_before_ms = null; + this.callback = null; + }, + + delay: function () { + if (NETDATA.options.debug.globalPanAndZoom) { + console.log('globalPanAndZoom.delay()'); + } + + NETDATA.options.auto_refresher_stop_until = Date.now() + NETDATA.options.current.global_pan_sync_time; + }, + + // set a new master + setMaster: function (state, after, before) { + this.delay(); + + if (!NETDATA.options.current.sync_pan_and_zoom) { + return; + } + + if (this.master === null) { + if (NETDATA.options.debug.globalPanAndZoom) { + console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') SET MASTER'); + } + } else if (this.master !== state) { + if (NETDATA.options.debug.globalPanAndZoom) { + console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') CHANGED MASTER'); + } + + this.master.resetChart(true, true); + } + + let now = Date.now(); + this.master = state; + this.seq = now; + this.force_after_ms = after; + this.force_before_ms = before; + + if (typeof this.callback === 'function') { + this.callback(true, after, before); + } + }, + + // clear the master + clearMaster: function () { + // if (NETDATA.options.debug.globalPanAndZoom === true) + // console.log('globalPanAndZoom.clearMaster()'); + if (NETDATA.options.debug.globalPanAndZoom) { + console.log('globalPanAndZoom.clearMaster()'); + } + + if (this.master !== null) { + let st = this.master; + this.master = null; + st.resetChart(); + } + + this.master = null; + this.seq = 0; + this.force_after_ms = null; + this.force_before_ms = null; + NETDATA.options.auto_refresher_stop_until = 0; + + if (typeof this.callback === 'function') { + this.callback(false, 0, 0); + } + }, + + // is the given state the master of the global + // pan and zoom sync? + isMaster: function (state) { + return (this.master === state); + }, + + // are we currently have a global pan and zoom sync? + isActive: function () { + return (this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0); + }, + + // check if a chart, other than the master + // needs to be refreshed, due to the global pan and zoom + shouldBeAutoRefreshed: function (state) { + if (this.master === null || this.seq === 0) { + return false; + } + + //if (state.needsRecreation()) + // return true; + + return (state.tm.pan_and_zoom_seq !== this.seq); + } +}; + +// ---------------------------------------------------------------------------------------------------------------- +// global chart underlay (time-frame highlighting) + +NETDATA.globalChartUnderlay = { + callback: null, // what to call when a highlighted range is setup + after: null, // highlight after this time + before: null, // highlight before this time + view_after: null, // the charts after_ms viewport when the highlight was setup + view_before: null, // the charts before_ms viewport, when the highlight was setup + state: null, // the chart the highlight was setup + + isActive: function () { + return (this.after !== null && this.before !== null); + }, + + hasViewport: function () { + return (this.state !== null && this.view_after !== null && this.view_before !== null); + }, + + init: function (state, after, before, view_after, view_before) { + this.state = (typeof state !== 'undefined') ? state : null; + this.after = (typeof after !== 'undefined' && after !== null && after > 0) ? after : null; + this.before = (typeof before !== 'undefined' && before !== null && before > 0) ? before : null; + this.view_after = (typeof view_after !== 'undefined' && view_after !== null && view_after > 0) ? view_after : null; + this.view_before = (typeof view_before !== 'undefined' && view_before !== null && view_before > 0) ? view_before : null; + }, + + setup: function () { + if (this.isActive()) { + if (this.state === null) { + this.state = NETDATA.options.targets[0]; + } + + if (typeof this.callback === 'function') { + this.callback(true, this.after, this.before); + } + } else { + if (typeof this.callback === 'function') { + this.callback(false, 0, 0); + } + } + }, + + set: function (state, after, before, view_after, view_before) { + if (after > before) { + let t = after; + after = before; + before = t; + } + + this.init(state, after, before, view_after, view_before); + + // if (this.hasViewport() === true) + // NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before); + if (this.hasViewport()) { + NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before); + } + + this.setup(); + }, + + clear: function () { + this.after = null; + this.before = null; + this.state = null; + this.view_after = null; + this.view_before = null; + + if (typeof this.callback === 'function') { + this.callback(false, 0, 0); + } + }, + + focus: function () { + if (this.isActive() && this.hasViewport()) { + if (this.state === null) { + this.state = NETDATA.options.targets[0]; + } + + if (NETDATA.globalPanAndZoom.isMaster(this.state)) { + NETDATA.globalPanAndZoom.clearMaster(); + } + + NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before, true); + } + } +}; + +// ---------------------------------------------------------------------------------------------------------------- +// dimensions selection + +// TODO +// move color assignment to dimensions, here + +let dimensionStatus = function (parent, label, name_div, value_div, color) { + this.enabled = false; + this.parent = parent; + this.label = label; + this.name_div = null; + this.value_div = null; + this.color = NETDATA.themes.current.foreground; + this.selected = (parent.unselected_count === 0); + + this.setOptions(name_div, value_div, color); +}; + +dimensionStatus.prototype.invalidate = function () { + this.name_div = null; + this.value_div = null; + this.enabled = false; +}; + +dimensionStatus.prototype.setOptions = function (name_div, value_div, color) { + this.color = color; + + if (this.name_div !== name_div) { + this.name_div = name_div; + this.name_div.title = this.label; + this.name_div.style.setProperty('color', this.color, 'important'); + if (!this.selected) { + this.name_div.className = 'netdata-legend-name not-selected'; + } else { + this.name_div.className = 'netdata-legend-name selected'; + } + } + + if (this.value_div !== value_div) { + this.value_div = value_div; + this.value_div.title = this.label; + this.value_div.style.setProperty('color', this.color, 'important'); + if (!this.selected) { + this.value_div.className = 'netdata-legend-value not-selected'; + } else { + this.value_div.className = 'netdata-legend-value selected'; + } + } + + this.enabled = true; + this.setHandler(); +}; + +dimensionStatus.prototype.setHandler = function () { + if (!this.enabled) { + return; + } + + let ds = this; + + // this.name_div.onmousedown = this.value_div.onmousedown = function(e) { + this.name_div.onclick = this.value_div.onclick = function (e) { + e.preventDefault(); + if (ds.isSelected()) { + // this is selected + if (e.shiftKey || e.ctrlKey) { + // control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all) + ds.unselect(); + + if (ds.parent.countSelected() === 0) { + ds.parent.selectAll(); + } + } else { + // no key is pressed -> select only this (except if it is the only selected already, in which case select all) + if (ds.parent.countSelected() === 1) { + ds.parent.selectAll(); + } else { + ds.parent.selectNone(); + ds.select(); + } + } + } + else { + // this is not selected + if (e.shiftKey || e.ctrlKey) { + // control or shift key is pressed -> select this too + ds.select(); + } else { + // no key is pressed -> select only this + ds.parent.selectNone(); + ds.select(); + } + } + + ds.parent.state.redrawChart(); + } +}; + +dimensionStatus.prototype.select = function () { + if (!this.enabled) { + return; + } + + this.name_div.className = 'netdata-legend-name selected'; + this.value_div.className = 'netdata-legend-value selected'; + this.selected = true; +}; + +dimensionStatus.prototype.unselect = function () { + if (!this.enabled) { + return; + } + + this.name_div.className = 'netdata-legend-name not-selected'; + this.value_div.className = 'netdata-legend-value hidden'; + this.selected = false; +}; + +dimensionStatus.prototype.isSelected = function () { + // return(this.enabled === true && this.selected === true); + return this.enabled && this.selected; +}; + +// ---------------------------------------------------------------------------------------------------------------- + +let dimensionsVisibility = function (state) { + this.state = state; + this.len = 0; + this.dimensions = {}; + this.selected_count = 0; + this.unselected_count = 0; +}; + +dimensionsVisibility.prototype.dimensionAdd = function (label, name_div, value_div, color) { + if (typeof this.dimensions[label] === 'undefined') { + this.len++; + this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color); + } else { + this.dimensions[label].setOptions(name_div, value_div, color); + } + + return this.dimensions[label]; +}; + +dimensionsVisibility.prototype.dimensionGet = function (label) { + return this.dimensions[label]; +}; + +dimensionsVisibility.prototype.invalidateAll = function () { + let keys = Object.keys(this.dimensions); + let len = keys.length; + while (len--) { + this.dimensions[keys[len]].invalidate(); + } +}; + +dimensionsVisibility.prototype.selectAll = function () { + let keys = Object.keys(this.dimensions); + let len = keys.length; + while (len--) { + this.dimensions[keys[len]].select(); + } +}; + +dimensionsVisibility.prototype.countSelected = function () { + let selected = 0; + let keys = Object.keys(this.dimensions); + let len = keys.length; + while (len--) { + if (this.dimensions[keys[len]].isSelected()) { + selected++; + } + } + + return selected; +}; + +dimensionsVisibility.prototype.selectNone = function () { + let keys = Object.keys(this.dimensions); + let len = keys.length; + while (len--) { + this.dimensions[keys[len]].unselect(); + } +}; + +dimensionsVisibility.prototype.selected2BooleanArray = function (array) { + let ret = []; + this.selected_count = 0; + this.unselected_count = 0; + + let len = array.length; + while (len--) { + let ds = this.dimensions[array[len]]; + if (typeof ds === 'undefined') { + // console.log(array[i] + ' is not found'); + ret.unshift(false); + } else if (ds.isSelected()) { + ret.unshift(true); + this.selected_count++; + } else { + ret.unshift(false); + this.unselected_count++; + } + } + + if (this.selected_count === 0 && this.unselected_count !== 0) { + this.selectAll(); + return this.selected2BooleanArray(array); + } + + return ret; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// date/time conversion + +NETDATA.dateTime = { + using_timezone: false, + + // these are the old netdata functions + // we fallback to these, if the new ones fail + + localeDateStringNative: function (d) { + return d.toLocaleDateString(); + }, + + localeTimeStringNative: function (d) { + return d.toLocaleTimeString(); + }, + + xAxisTimeStringNative: function (d) { + return NETDATA.zeropad(d.getHours()) + ":" + + NETDATA.zeropad(d.getMinutes()) + ":" + + NETDATA.zeropad(d.getSeconds()); + }, + + // initialize the new date/time conversion + // functions. + // if this fails, we fallback to the above + init: function (timezone) { + //console.log('init with timezone: ' + timezone); + + // detect browser timezone + try { + NETDATA.options.browser_timezone = Intl.DateTimeFormat().resolvedOptions().timeZone; + } catch (e) { + console.log('failed to detect browser timezone: ' + e.toString()); + NETDATA.options.browser_timezone = 'cannot-detect-it'; + } + + let ret = false; + + try { + let dateOptions = { + localeMatcher: 'best fit', + formatMatcher: 'best fit', + weekday: 'short', + year: 'numeric', + month: 'short', + day: '2-digit' + }; + + let timeOptions = { + localeMatcher: 'best fit', + hour12: false, + formatMatcher: 'best fit', + hour: '2-digit', + minute: '2-digit', + second: '2-digit' + }; + + let xAxisOptions = { + localeMatcher: 'best fit', + hour12: false, + formatMatcher: 'best fit', + hour: '2-digit', + minute: '2-digit', + second: '2-digit' + }; + + if (typeof timezone === 'string' && timezone !== '' && timezone !== 'default') { + dateOptions.timeZone = timezone; + timeOptions.timeZone = timezone; + timeOptions.timeZoneName = 'short'; + xAxisOptions.timeZone = timezone; + this.using_timezone = true; + } else { + timezone = 'default'; + this.using_timezone = false; + } + + this.dateFormat = new Intl.DateTimeFormat(navigator.language, dateOptions); + this.timeFormat = new Intl.DateTimeFormat(navigator.language, timeOptions); + this.xAxisFormat = new Intl.DateTimeFormat(navigator.language, xAxisOptions); + + this.localeDateString = function (d) { + return this.dateFormat.format(d); + }; + + this.localeTimeString = function (d) { + return this.timeFormat.format(d); + }; + + this.xAxisTimeString = function (d) { + return this.xAxisFormat.format(d); + }; + + //let d = new Date(); + //let t = this.dateFormat.format(d) + ' ' + this.timeFormat.format(d) + ' ' + this.xAxisFormat.format(d); + + ret = true; + } catch (e) { + console.log('Cannot setup Date/Time formatting: ' + e.toString()); + + timezone = 'default'; + this.localeDateString = this.localeDateStringNative; + this.localeTimeString = this.localeTimeStringNative; + this.xAxisTimeString = this.xAxisTimeStringNative; + this.using_timezone = false; + + ret = false; + } + + // save it + //console.log('init setOption timezone: ' + timezone); + NETDATA.setOption('timezone', timezone); + + return ret; + } +}; +NETDATA.dateTime.init(NETDATA.options.current.timezone); + +// ---------------------------------------------------------------------------------------------------------------- +// global selection sync + +NETDATA.globalSelectionSync = { + state: null, + dontSyncBefore: 0, + last_t: 0, + slaves: [], + timeoutId: undefined, + + globalReset: function () { + this.stop(); + this.state = null; + this.dontSyncBefore = 0; + this.last_t = 0; + this.slaves = []; + this.timeoutId = undefined; + }, + + active: function () { + return (this.state !== null); + }, + + // return true if global selection sync can be enabled now + enabled: function () { + // console.log('enabled()'); + // can we globally apply selection sync? + if (!NETDATA.options.current.sync_selection) { + return false; + } + + return (this.dontSyncBefore <= Date.now()); + }, + + // set the global selection sync master + setMaster: function (state) { + if (!this.enabled()) { + this.stop(); + return; + } + + if (this.state === state) { + return; + } + + if (this.state !== null) { + this.stop(); + } + + if (NETDATA.options.debug.globalSelectionSync) { + console.log('globalSelectionSync.setMaster(' + state.id + ')'); + } + + state.selected = true; + this.state = state; + this.last_t = 0; + + // find all slaves + let targets = NETDATA.intersectionObserver.targets(); + this.slaves = []; + let len = targets.length; + while (len--) { + let st = targets[len]; + if (this.state !== st && st.globalSelectionSyncIsEligible()) { + this.slaves.push(st); + } + } + + // this.delay(100); + }, + + // stop global selection sync + stop: function () { + if (this.state !== null) { + if (NETDATA.options.debug.globalSelectionSync) { + console.log('globalSelectionSync.stop()'); + } + + let len = this.slaves.length; + while (len--) { + this.slaves[len].clearSelection(); + } + + this.state.clearSelection(); + + this.last_t = 0; + this.slaves = []; + this.state = null; + } + }, + + // delay global selection sync for some time + delay: function (ms) { + if (NETDATA.options.current.sync_selection) { + // if (NETDATA.options.debug.globalSelectionSync === true) { + if (NETDATA.options.debug.globalSelectionSync) { + console.log('globalSelectionSync.delay()'); + } + + if (typeof ms === 'number') { + this.dontSyncBefore = Date.now() + ms; + } else { + this.dontSyncBefore = Date.now() + NETDATA.options.current.sync_selection_delay; + } + } + }, + + __syncSlaves: function () { + // if (NETDATA.globalSelectionSync.enabled() === true) { + if (NETDATA.globalSelectionSync.enabled()) { + // if (NETDATA.options.debug.globalSelectionSync === true) + if (NETDATA.options.debug.globalSelectionSync) { + console.log('globalSelectionSync.__syncSlaves()'); + } + + let t = NETDATA.globalSelectionSync.last_t; + let len = NETDATA.globalSelectionSync.slaves.length; + while (len--) { + NETDATA.globalSelectionSync.slaves[len].setSelection(t); + } + + this.timeoutId = undefined; + } + }, + + // sync all the visible charts to the given time + // this is to be called from the chart libraries + sync: function (state, t) { + // if (NETDATA.options.current.sync_selection === true) { + if (NETDATA.options.current.sync_selection) { + // if (NETDATA.options.debug.globalSelectionSync === true) + if (NETDATA.options.debug.globalSelectionSync) { + console.log('globalSelectionSync.sync(' + state.id + ', ' + t.toString() + ')'); + } + + this.setMaster(state); + + if (t === this.last_t) { + return; + } + + this.last_t = t; + + if (state.foreignElementSelection !== null) { + state.foreignElementSelection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t); + } + + if (this.timeoutId) { + NETDATA.timeout.clear(this.timeoutId); + } + + this.timeoutId = NETDATA.timeout.set(this.__syncSlaves, 0); + } + } +}; + +NETDATA.intersectionObserver = { + observer: null, + visible_targets: [], + + options: { + root: null, + rootMargin: "0px", + threshold: null + }, + + enabled: function () { + return this.observer !== null; + }, + + globalReset: function () { + if (this.observer !== null) { + this.visible_targets = []; + this.observer.disconnect(); + this.init(); + } + }, + + targets: function () { + if (this.enabled() && this.visible_targets.length > 0) { + return this.visible_targets; + } else { + return NETDATA.options.targets; + } + }, + + switchChartVisibility: function () { + let old = this.__visibilityRatioOld; + + if (old !== this.__visibilityRatio) { + if (old === 0 && this.__visibilityRatio > 0) { + this.unhideChart(); + } else if (old > 0 && this.__visibilityRatio === 0) { + this.hideChart(); + } + + this.__visibilityRatioOld = this.__visibilityRatio; + } + }, + + handler: function (entries, observer) { + entries.forEach(function (entry) { + let state = NETDATA.chartState(entry.target); + + let idx; + if (entry.intersectionRatio > 0) { + idx = NETDATA.intersectionObserver.visible_targets.indexOf(state); + if (idx === -1) { + if (NETDATA.scrollUp) { + NETDATA.intersectionObserver.visible_targets.push(state); + } else { + NETDATA.intersectionObserver.visible_targets.unshift(state); + } + } + else if (state.__visibilityRatio === 0) { + state.log("was not visible until now, but was already in visible_targets"); + } + } else { + idx = NETDATA.intersectionObserver.visible_targets.indexOf(state); + if (idx !== -1) { + NETDATA.intersectionObserver.visible_targets.splice(idx, 1); + } else if (state.__visibilityRatio > 0) { + state.log("was visible, but not found in visible_targets"); + } + } + + state.__visibilityRatio = entry.intersectionRatio; + + if (!NETDATA.options.current.async_on_scroll) { + if (window.requestIdleCallback) { + window.requestIdleCallback(function () { + NETDATA.intersectionObserver.switchChartVisibility.call(state); + }, {timeout: 100}); + } else { + NETDATA.intersectionObserver.switchChartVisibility.call(state); + } + } + }); + }, + + observe: function (state) { + if (this.enabled()) { + state.__visibilityRatioOld = 0; + state.__visibilityRatio = 0; + this.observer.observe(state.element); + + state.isVisible = function () { + if (!NETDATA.options.current.update_only_visible) { + return true; + } + + NETDATA.intersectionObserver.switchChartVisibility.call(this); + + return this.__visibilityRatio > 0; + } + } + }, + + init: function () { + if (typeof netdataIntersectionObserver === 'undefined' || netdataIntersectionObserver) { + try { + this.observer = new IntersectionObserver(this.handler, this.options); + } catch (e) { + console.log("IntersectionObserver is not supported on this browser"); + this.observer = null; + } + } + //else { + // console.log("IntersectionObserver is disabled"); + //} + } +}; +NETDATA.intersectionObserver.init(); + +// ---------------------------------------------------------------------------------------------------------------- +// Our state object, where all per-chart values are stored + +let chartState = function (element) { + this.element = element; + + // IMPORTANT: + // all private functions should use 'that', instead of 'this' + // Alternatively, you can use arrow functions (related issue #4514) + let that = this; + + // ============================================================================================================ + // ERROR HANDLING + + /* error() - private + * show an error instead of the chart + */ + let error = (msg) => { + let ret = true; + + if (typeof netdataErrorCallback === 'function') { + ret = netdataErrorCallback('chart', this.id, msg); + } + + if (ret) { + this.element.innerHTML = this.id + ': ' + msg; + this.enabled = false; + this.current = this.pan; + } + }; + + // console logging + this.log = function (msg) { + console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg); + }; + + this.debugLog = function (msg) { + if (this.debug) { + this.log(msg); + } + }; + + // ============================================================================================================ + // EARLY INITIALIZATION + + // These are variables that should exist even if the chart is never to be rendered. + // Be careful what you add here - there may be thousands of charts on the page. + + // GUID - a unique identifier for the chart + this.uuid = NETDATA.guid(); + + // string - the name of chart + this.id = NETDATA.dataAttribute(this.element, 'netdata', undefined); + if (typeof this.id === 'undefined') { + error("netdata elements need data-netdata"); + return; + } + + // string - the key for localStorage settings + this.settings_id = NETDATA.dataAttribute(this.element, 'id', null); + + // the user given dimensions of the element + this.width = NETDATA.dataAttribute(this.element, 'width', NETDATA.chartDefaults.width); + this.height = NETDATA.dataAttribute(this.element, 'height', NETDATA.chartDefaults.height); + this.height_original = this.height; + + if (this.settings_id !== null) { + this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function (height) { + // this is the callback that will be called + // if and when the user resets all localStorage variables + // to their defaults + + resizeChartToHeight(height); + }); + } + + // the chart library requested by the user + this.library_name = NETDATA.dataAttribute(this.element, 'chart-library', NETDATA.chartDefaults.library); + + // check the requested library is available + // we don't initialize it here - it will be initialized when + // this chart will be first used + if (typeof NETDATA.chartLibraries[this.library_name] === 'undefined') { + NETDATA.error(402, this.library_name); + error('chart library "' + this.library_name + '" is not found'); + this.enabled = false; + } else if (!NETDATA.chartLibraries[this.library_name].enabled) { + NETDATA.error(403, this.library_name); + error('chart library "' + this.library_name + '" is not enabled'); + this.enabled = false; + } else { + this.library = NETDATA.chartLibraries[this.library_name]; + } + + this.auto = { + name: 'auto', + autorefresh: true, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + this.pan = { + name: 'pan', + autorefresh: false, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + this.zoom = { + name: 'zoom', + autorefresh: false, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + + // this is a pointer to one of the sub-classes below + // auto, pan, zoom + this.current = this.auto; + + this.running = false; // boolean - true when the chart is being refreshed now + this.enabled = true; // boolean - is the chart enabled for refresh? + + this.force_update_every = null; // number - overwrite the visualization update frequency of the chart + + this.tmp = {}; + + this.foreignElementBefore = null; + this.foreignElementAfter = null; + this.foreignElementDuration = null; + this.foreignElementUpdateEvery = null; + this.foreignElementSelection = null; + + // ============================================================================================================ + // PRIVATE FUNCTIONS + + // reset the runtime status variables to their defaults + const runtimeInit = () => { + this.paused = false; // boolean - is the chart paused for any reason? + this.selected = false; // boolean - is the chart shown a selection? + + this.chart_created = false; // boolean - is the library.create() been called? + this.dom_created = false; // boolean - is the chart DOM been created? + this.fetching_data = false; // boolean - true while we fetch data via ajax + + this.updates_counter = 0; // numeric - the number of refreshes made so far + this.updates_since_last_unhide = 0; // numeric - the number of refreshes made since the last time the chart was unhidden + this.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created + + this.tm = { + last_initialized: 0, // milliseconds - the timestamp it was last initialized + last_dom_created: 0, // milliseconds - the timestamp its DOM was last created + last_mode_switch: 0, // milliseconds - the timestamp it switched modes + + last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart + last_updated: 0, // the timestamp the chart last updated with data + pan_and_zoom_seq: 0, // the sequence number of the global synchronization + // between chart. + // Used with NETDATA.globalPanAndZoom.seq + last_visible_check: 0, // the time we last checked if it is visible + last_resized: 0, // the time the chart was resized + last_hidden: 0, // the time the chart was hidden + last_unhidden: 0, // the time the chart was unhidden + last_autorefreshed: 0 // the time the chart was last refreshed + }; + + this.data = null; // the last data as downloaded from the netdata server + this.data_url = 'invalid://'; // string - the last url used to update the chart + this.data_points = 0; // number - the number of points returned from netdata + this.data_after = 0; // milliseconds - the first timestamp of the data + this.data_before = 0; // milliseconds - the last timestamp of the data + this.data_update_every = 0; // milliseconds - the frequency to update the data + + this.tmp = {}; // members that can be destroyed to save memory + }; + + // initialize all the variables that are required for the chart to be rendered + const lateInitialization = () => { + if (typeof this.host !== 'undefined') { + return; + } + + // string - the netdata server URL, without any path + this.host = NETDATA.dataAttribute(this.element, 'host', NETDATA.serverDefault); + + // make sure the host does not end with / + // all netdata API requests use absolute paths + while (this.host.slice(-1) === '/') { + this.host = this.host.substring(0, this.host.length - 1); + } + + // string - the grouping method requested by the user + this.method = NETDATA.dataAttribute(this.element, 'method', NETDATA.chartDefaults.method); + this.gtime = NETDATA.dataAttribute(this.element, 'gtime', 0); + + // the time-range requested by the user + this.after = NETDATA.dataAttribute(this.element, 'after', NETDATA.chartDefaults.after); + this.before = NETDATA.dataAttribute(this.element, 'before', NETDATA.chartDefaults.before); + + // the pixels per point requested by the user + this.pixels_per_point = NETDATA.dataAttribute(this.element, 'pixels-per-point', 1); + this.points = NETDATA.dataAttribute(this.element, 'points', null); + + // the forced update_every + this.force_update_every = NETDATA.dataAttribute(this.element, 'update-every', null); + if (typeof this.force_update_every !== 'number' || this.force_update_every <= 1) { + if (this.force_update_every !== null) { + this.log('ignoring invalid value of property data-update-every'); + } + + this.force_update_every = null; + } else { + this.force_update_every *= 1000; + } + + // the dimensions requested by the user + this.dimensions = NETDATA.encodeURIComponent(NETDATA.dataAttribute(this.element, 'dimensions', null)); + + this.title = NETDATA.dataAttribute(this.element, 'title', null); // the title of the chart + this.units = NETDATA.dataAttribute(this.element, 'units', null); // the units of the chart dimensions + this.units_desired = NETDATA.dataAttribute(this.element, 'desired-units', NETDATA.options.current.units); // the units of the chart dimensions + this.units_current = this.units; + this.units_common = NETDATA.dataAttribute(this.element, 'common-units', null); + + // additional options to pass to netdata + this.append_options = NETDATA.encodeURIComponent(NETDATA.dataAttribute(this.element, 'append-options', null)); + + // override options to pass to netdata + this.override_options = NETDATA.encodeURIComponent(NETDATA.dataAttribute(this.element, 'override-options', null)); + + this.debug = NETDATA.dataAttributeBoolean(this.element, 'debug', false); + + this.value_decimal_detail = -1; + let d = NETDATA.dataAttribute(this.element, 'decimal-digits', -1); + if (typeof d === 'number') { + this.value_decimal_detail = d; + } else if (typeof d !== 'undefined') { + this.log('ignoring decimal-digits value: ' + d.toString()); + } + + // if we need to report the rendering speed + // find the element that needs to be updated + let refresh_dt_element_name = NETDATA.dataAttribute(this.element, 'dt-element-name', null); // string - the element to print refresh_dt_ms + + if (refresh_dt_element_name !== null) { + this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null; + } + else { + this.refresh_dt_element = null; + } + + this.dimensions_visibility = new dimensionsVisibility(that); + + this.netdata_first = 0; // milliseconds - the first timestamp in netdata + this.netdata_last = 0; // milliseconds - the last timestamp in netdata + this.requested_after = null; // milliseconds - the timestamp of the request after param + this.requested_before = null; // milliseconds - the timestamp of the request before param + this.requested_padding = null; + this.view_after = 0; + this.view_before = 0; + + this.refresh_dt_ms = 0; // milliseconds - the time the last refresh took + + // how many retries we have made to load chart data from the server + this.retries_on_data_failures = 0; + + // color management + this.colors = null; + this.colors_assigned = null; + this.colors_available = null; + this.colors_custom = null; + + this.element_message = null; // the element already created by the user + this.element_chart = null; // the element with the chart + this.element_legend = null; // the element with the legend of the chart (if created by us) + this.element_legend_childs = { + content: null, + hidden: null, + title_date: null, + title_time: null, + title_units: null, + perfect_scroller: null, // the container to apply perfect scroller to + series: null + }; + + this.chart_url = null; // string - the url to download chart info + this.chart = null; // object - the chart as downloaded from the server + + const getForeignElementById = (opt) => { + let id = NETDATA.dataAttribute(this.element, opt, null); + if (id === null) { + //this.log('option "' + opt + '" is undefined'); + return null; + } + + let el = document.getElementById(id); + if (typeof el === 'undefined') { + this.log('cannot find an element with name "' + id.toString() + '"'); + return null; + } + + return el; + }; + + this.foreignElementBefore = getForeignElementById('show-before-at'); + this.foreignElementAfter = getForeignElementById('show-after-at'); + this.foreignElementDuration = getForeignElementById('show-duration-at'); + this.foreignElementUpdateEvery = getForeignElementById('show-update-every-at'); + this.foreignElementSelection = getForeignElementById('show-selection-at'); + }; + + const destroyDOM = () => { + if (!this.enabled) { + return; + } + + if (this.debug) { + this.log('destroyDOM()'); + } + + // this.element.className = 'netdata-message icon'; + // this.element.innerHTML = '<i class="fas fa-sync"></i> netdata'; + this.element.innerHTML = ''; + this.element_message = null; + this.element_legend = null; + this.element_chart = null; + this.element_legend_childs.series = null; + + this.chart_created = false; + this.dom_created = false; + + this.tm.last_resized = 0; + this.tm.last_dom_created = 0; + }; + + const maxMessageFontSize = () => { + let screenHeight = screen.height; + let el = this.element; + + // normally we want a font size, as tall as the element + let h = el.clientHeight; + + // but give it some air, 20% let's say, or 5 pixels min + let lost = Math.max(h * 0.2, 5); + h -= lost; + + // center the text, vertically + let paddingTop = (lost - 5) / 2; + + // but check the width too + // it should fit 10 characters in it + let w = el.clientWidth / 10; + if (h > w) { + paddingTop += (h - w) / 2; + h = w; + } + + // and don't make it too huge + // 5% of the screen size is good + if (h > screenHeight / 20) { + paddingTop += (h - (screenHeight / 20)) / 2; + h = screenHeight / 20; + } + + // set it + this.element_message.style.fontSize = h.toString() + 'px'; + this.element_message.style.paddingTop = paddingTop.toString() + 'px'; + }; + + const showMessageIcon = (icon) => { + this.element_message.innerHTML = icon; + maxMessageFontSize(); + $(this.element_message).removeClass('hidden'); + this.tmp.___messageHidden___ = undefined; + }; + + const showLoading = () => { + if (!this.chart_created) { + showMessageIcon(NETDATA.icons.loading + ' netdata'); + return true; + } + return false; + }; + + let createDOM = () => { + if (!this.enabled) { + return; + } + lateInitialization(); + + destroyDOM(); + + if (this.debug) { + this.log('createDOM()'); + } + + this.element_message = document.createElement('div'); + this.element_message.className = 'netdata-message icon hidden'; + this.element.appendChild(this.element_message); + + this.dom_created = true; + this.chart_created = false; + + this.tm.last_dom_created = this.tm.last_resized = Date.now(); + + showLoading(); + }; + + const initDOM = () => { + this.element.className = this.library.container_class(that); + + if (typeof(this.width) === 'string') { + this.element.style.width = this.width; + } else if (typeof(this.width) === 'number') { + this.element.style.width = this.width.toString() + 'px'; + } + + if (typeof(this.library.aspect_ratio) === 'undefined') { + if (typeof(this.height) === 'string') { + this.element.style.height = this.height; + } else if (typeof(this.height) === 'number') { + this.element.style.height = this.height.toString() + 'px'; + } + } + + if (NETDATA.chartDefaults.min_width !== null) { + this.element.style.min_width = NETDATA.chartDefaults.min_width; + } + }; + + const invisibleSearchableText = () => { + return '<span style="position:absolute; opacity: 0; width: 0px;">' + this.id + '</span>'; + }; + + /* init() private + * initialize state variables + * destroy all (possibly) created state elements + * create the basic DOM for a chart + */ + const init = (opt) => { + if (!this.enabled) { + return; + } + + runtimeInit(); + this.element.innerHTML = invisibleSearchableText(); + + this.tm.last_initialized = Date.now(); + this.setMode('auto'); + + if (opt !== 'fast') { + if (this.isVisible(true) || opt === 'force') { + createDOM(); + } + } + }; + + const hideMessage = () => { + if (typeof this.tmp.___messageHidden___ === 'undefined') { + this.tmp.___messageHidden___ = true; + $(this.element_message).addClass('hidden'); + } + }; + + const showRendering = () => { + let icon; + if (this.chart !== null) { + if (this.chart.chart_type === 'line') { + icon = NETDATA.icons.lineChart; + } else { + icon = NETDATA.icons.areaChart; + } + } + else { + icon = NETDATA.icons.noChart; + } + + showMessageIcon(icon + ' netdata' + invisibleSearchableText()); + }; + + const isHidden = () => { + return (typeof this.tmp.___chartIsHidden___ !== 'undefined'); + }; + + // hide the chart, when it is not visible - called from isVisible() + this.hideChart = function () { + // hide it, if it is not already hidden + if (isHidden()) { + return; + } + + if (this.chart_created) { + if (NETDATA.options.current.show_help) { + if (this.element_legend_childs.toolbox !== null) { + if (this.debug) { + this.log('hideChart(): hidding legend popovers'); + } + + $(this.element_legend_childs.toolbox_left).popover('hide'); + $(this.element_legend_childs.toolbox_reset).popover('hide'); + $(this.element_legend_childs.toolbox_right).popover('hide'); + $(this.element_legend_childs.toolbox_zoomin).popover('hide'); + $(this.element_legend_childs.toolbox_zoomout).popover('hide'); + } + + if (this.element_legend_childs.resize_handler !== null) { + $(this.element_legend_childs.resize_handler).popover('hide'); + } + + if (this.element_legend_childs.content !== null) { + $(this.element_legend_childs.content).popover('hide'); + } + } + + if (NETDATA.options.current.destroy_on_hide) { + if (this.debug) { + this.log('hideChart(): initializing chart'); + } + + // we should destroy it + init('force'); + } else { + if (this.debug) { + this.log('hideChart(): hiding chart'); + } + + showRendering(); + this.element_chart.style.display = 'none'; + this.element.style.willChange = 'auto'; + if (this.element_legend !== null) { + this.element_legend.style.display = 'none'; + } + if (this.element_legend_childs.toolbox !== null) { + this.element_legend_childs.toolbox.style.display = 'none'; + } + if (this.element_legend_childs.resize_handler !== null) { + this.element_legend_childs.resize_handler.style.display = 'none'; + } + + this.tm.last_hidden = Date.now(); + + // de-allocate data + // This works, but I not sure there are no corner cases somewhere + // so it is commented - if the user has memory issues he can + // set Destroy on Hide for all charts + // this.data = null; + } + } + + this.tmp.___chartIsHidden___ = true; + }; + + // unhide the chart, when it is visible - called from isVisible() + this.unhideChart = function () { + if (!isHidden()) { + return; + } + + this.tmp.___chartIsHidden___ = undefined; + this.updates_since_last_unhide = 0; + + if (!this.chart_created) { + if (this.debug) { + this.log('unhideChart(): initializing chart'); + } + + // we need to re-initialize it, to show our background + // logo in bootstrap tabs, until the chart loads + init('force'); + } else { + if (this.debug) { + this.log('unhideChart(): unhiding chart'); + } + + this.element.style.willChange = 'transform'; + this.tm.last_unhidden = Date.now(); + this.element_chart.style.display = ''; + if (this.element_legend !== null) { + this.element_legend.style.display = ''; + } + if (this.element_legend_childs.toolbox !== null) { + this.element_legend_childs.toolbox.style.display = ''; + } + if (this.element_legend_childs.resize_handler !== null) { + this.element_legend_childs.resize_handler.style.display = ''; + } + resizeChart(); + hideMessage(); + } + + if (this.__redraw_on_unhide) { + if (this.debug) { + this.log("redrawing chart on unhide"); + } + + this.__redraw_on_unhide = undefined; + this.redrawChart(); + } + }; + + const canBeRendered = (uncached_visibility) => { + if (this.debug) { + this.log('canBeRendered() called'); + } + + if (!NETDATA.options.current.update_only_visible) { + return true; + } + + let ret = ( + ( + NETDATA.options.page_is_visible || + NETDATA.options.current.stop_updates_when_focus_is_lost === false || + this.updates_since_last_unhide === 0 + ) + && isHidden() === false && this.isVisible(uncached_visibility) + ); + + if (this.debug) { + this.log('canBeRendered(): ' + ret); + } + + return ret; + }; + + // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers + const callChartLibraryUpdateSafely = (data) => { + let status; + + // we should not do this here + // if we prevent rendering the chart then: + // 1. globalSelectionSync will be wrong + // 2. globalPanAndZoom will be wrong + //if (canBeRendered(true) === false) + // return false; + + if (NETDATA.options.fake_chart_rendering) { + return true; + } + + this.updates_counter++; + this.updates_since_last_unhide++; + this.updates_since_last_creation++; + + if (NETDATA.options.debug.chart_errors) { + status = this.library.update(that, data); + } else { + try { + status = this.library.update(that, data); + } catch (err) { + status = false; + } + } + + if (!status) { + error('chart failed to be updated as ' + this.library_name); + return false; + } + + return true; + }; + + // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers + const callChartLibraryCreateSafely = (data) => { + let status; + + // we should not do this here + // if we prevent rendering the chart then: + // 1. globalSelectionSync will be wrong + // 2. globalPanAndZoom will be wrong + //if (canBeRendered(true) === false) + // return false; + + if (NETDATA.options.fake_chart_rendering) { + return true; + } + + this.updates_counter++; + this.updates_since_last_unhide++; + this.updates_since_last_creation++; + + if (NETDATA.options.debug.chart_errors) { + status = this.library.create(that, data); + } else { + try { + status = this.library.create(that, data); + } catch (err) { + status = false; + } + } + + if (!status) { + error('chart failed to be created as ' + this.library_name); + return false; + } + + this.chart_created = true; + this.updates_since_last_creation = 0; + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // Chart Resize + + // resizeChart() - private + // to be called just before the chart library to make sure that + // a properly sized dom is available + const resizeChart = () => { + if (this.tm.last_resized < NETDATA.options.last_page_resize) { + if (!this.chart_created) { + return; + } + + if (this.needsRecreation()) { + if (this.debug) { + this.log('resizeChart(): initializing chart'); + } + + init('force'); + } else if (typeof this.library.resize === 'function') { + if (this.debug) { + this.log('resizeChart(): resizing chart'); + } + + this.library.resize(that); + + if (this.element_legend_childs.perfect_scroller !== null) { + Ps.update(this.element_legend_childs.perfect_scroller); + } + + maxMessageFontSize(); + } + + this.tm.last_resized = Date.now(); + } + }; + + // this is the actual chart resize algorithm + // it will: + // - resize the entire container + // - update the internal states + // - resize the chart as the div changes height + // - update the scrollbar of the legend + const resizeChartToHeight = (h) => { + // console.log(h); + this.element.style.height = h; + + if (this.settings_id !== null) { + NETDATA.localStorageSet('chart_heights.' + this.settings_id, h); + } + + let now = Date.now(); + NETDATA.options.last_page_scroll = now; + NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing; + + // force a resize + this.tm.last_resized = 0; + resizeChart(); + }; + + this.resizeForPrint = function () { + if (typeof this.element_legend_childs !== 'undefined' && this.element_legend_childs.perfect_scroller !== null) { + let current = this.element.clientHeight; + let optimal = current + + this.element_legend_childs.perfect_scroller.scrollHeight + - this.element_legend_childs.perfect_scroller.clientHeight; + + if (optimal > current) { + // this.log('resized'); + this.element.style.height = optimal + 'px'; + this.library.resize(this); + } + } + }; + + this.resizeHandler = function (e) { + e.preventDefault(); + + if (typeof this.event_resize === 'undefined' + || this.event_resize.chart_original_w === 'undefined' + || this.event_resize.chart_original_h === 'undefined') { + this.event_resize = { + chart_original_w: this.element.clientWidth, + chart_original_h: this.element.clientHeight, + last: 0 + }; + } + + if (e.type === 'touchstart') { + this.event_resize.mouse_start_x = e.touches.item(0).pageX; + this.event_resize.mouse_start_y = e.touches.item(0).pageY; + } else { + this.event_resize.mouse_start_x = e.clientX; + this.event_resize.mouse_start_y = e.clientY; + } + + this.event_resize.chart_start_w = this.element.clientWidth; + this.event_resize.chart_start_h = this.element.clientHeight; + this.event_resize.chart_last_w = this.element.clientWidth; + this.event_resize.chart_last_h = this.element.clientHeight; + + let now = Date.now(); + if (now - this.event_resize.last <= NETDATA.options.current.double_click_speed && this.element_legend_childs.perfect_scroller !== null) { + // double click / double tap event + + // console.dir(this.element_legend_childs.content); + // console.dir(this.element_legend_childs.perfect_scroller); + + // the optimal height of the chart + // showing the entire legend + let optimal = this.event_resize.chart_last_h + + this.element_legend_childs.perfect_scroller.scrollHeight + - this.element_legend_childs.perfect_scroller.clientHeight; + + // if we are not optimal, be optimal + if (this.event_resize.chart_last_h !== optimal) { + // this.log('resize to optimal, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString()); + resizeChartToHeight(optimal.toString() + 'px'); + } + + // else if the current height is not the original/saved height + // reset to the original/saved height + else if (this.event_resize.chart_last_h !== this.event_resize.chart_original_h) { + // this.log('resize to original, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString()); + resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px'); + } + + // else if the current height is not the internal default height + // reset to the internal default height + else if ((this.event_resize.chart_last_h.toString() + 'px') !== this.height_original) { + // this.log('resize to internal default, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString()); + resizeChartToHeight(this.height_original.toString()); + } + + // else if the current height is not the firstchild's clientheight + // resize to it + else if (typeof this.element_legend_childs.perfect_scroller.firstChild !== 'undefined') { + let parent_rect = this.element.getBoundingClientRect(); + let content_rect = this.element_legend_childs.perfect_scroller.firstElementChild.getBoundingClientRect(); + let wanted = content_rect.top - parent_rect.top + this.element_legend_childs.perfect_scroller.firstChild.clientHeight + 18; // 15 = toolbox + 3 space + + // console.log(parent_rect); + // console.log(content_rect); + // console.log(wanted); + + // this.log('resize to firstChild, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString() + 'px, firstChild = ' + wanted.toString() + 'px' ); + if (this.event_resize.chart_last_h !== wanted) { + resizeChartToHeight(wanted.toString() + 'px'); + } + } + } else { + this.event_resize.last = now; + + // process movement event + document.onmousemove = + document.ontouchmove = + this.element_legend_childs.resize_handler.onmousemove = + this.element_legend_childs.resize_handler.ontouchmove = + function (e) { + let y = null; + + switch (e.type) { + case 'mousemove': + y = e.clientY; + break; + case 'touchmove': + y = e.touches.item(e.touches - 1).pageY; + break; + } + + if (y !== null) { + let newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y; + + if (newH >= 70 && newH !== that.event_resize.chart_last_h) { + resizeChartToHeight(newH.toString() + 'px'); + that.event_resize.chart_last_h = newH; + } + } + }; + + // process end event + document.onmouseup = + document.ontouchend = + this.element_legend_childs.resize_handler.onmouseup = + this.element_legend_childs.resize_handler.ontouchend = + function (e) { + void(e); + + // remove all the hooks + document.onmouseup = + document.onmousemove = + document.ontouchmove = + document.ontouchend = + that.element_legend_childs.resize_handler.onmousemove = + that.element_legend_childs.resize_handler.ontouchmove = + that.element_legend_childs.resize_handler.onmouseout = + that.element_legend_childs.resize_handler.onmouseup = + that.element_legend_childs.resize_handler.ontouchend = + null; + + // allow auto-refreshes + NETDATA.options.auto_refresher_stop_until = 0; + }; + } + }; + + const noDataToShow = () => { + showMessageIcon(NETDATA.icons.noData + ' empty'); + this.legendUpdateDOM(); + this.tm.last_autorefreshed = Date.now(); + // this.data_update_every = 30 * 1000; + //this.element_chart.style.display = 'none'; + //if (this.element_legend !== null) this.element_legend.style.display = 'none'; + //this.tmp.___chartIsHidden___ = true; + }; + + // ============================================================================================================ + // PUBLIC FUNCTIONS + + this.error = function (msg) { + error(msg); + }; + + this.setMode = function (m) { + if (this.current !== null && this.current.name === m) { + return; + } + + if (m === 'auto') { + this.current = this.auto; + } else if (m === 'pan') { + this.current = this.pan; + } else if (m === 'zoom') { + this.current = this.zoom; + } else { + this.current = this.auto; + } + + this.current.force_update_at = 0; + this.current.force_before_ms = null; + this.current.force_after_ms = null; + + this.tm.last_mode_switch = Date.now(); + }; + + // ---------------------------------------------------------------------------------------------------------------- + // global selection sync for slaves + + // can the chart participate to the global selection sync as a slave? + this.globalSelectionSyncIsEligible = function () { + return ( + this.enabled && + this.library !== null && + typeof this.library.setSelection === 'function' && + this.isVisible() && + this.chart_created + ); + }; + + this.setSelection = function (t) { + if (typeof this.library.setSelection === 'function') { + // this.selected = this.library.setSelection(this, t) === true; + this.selected = this.library.setSelection(this, t); + } else { + this.selected = true; + } + + if (this.selected && this.debug) { + this.log('selection set to ' + t.toString()); + } + + if (this.foreignElementSelection !== null) { + this.foreignElementSelection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t); + } + + return this.selected; + }; + + this.clearSelection = function () { + if (this.selected) { + if (typeof this.library.clearSelection === 'function') { + this.selected = (this.library.clearSelection(this) !== true); + } else { + this.selected = false; + } + + if (this.selected === false && this.debug) { + this.log('selection cleared'); + } + + if (this.foreignElementSelection !== null) { + this.foreignElementSelection.innerText = ''; + } + + this.legendReset(); + } + + return this.selected; + }; + + // ---------------------------------------------------------------------------------------------------------------- + + // find if a timestamp (ms) is shown in the current chart + this.timeIsVisible = function (t) { + return (t >= this.data_after && t <= this.data_before); + }; + + this.calculateRowForTime = function (t) { + if (!this.timeIsVisible(t)) { + return -1; + } + return Math.floor((t - this.data_after) / this.data_update_every); + }; + + // ---------------------------------------------------------------------------------------------------------------- + + this.pauseChart = function () { + if (!this.paused) { + if (this.debug) { + this.log('pauseChart()'); + } + + this.paused = true; + } + }; + + this.unpauseChart = function () { + if (this.paused) { + if (this.debug) { + this.log('unpauseChart()'); + } + + this.paused = false; + } + }; + + this.resetChart = function (dontClearMaster, dontUpdate) { + if (this.debug) { + this.log('resetChart(' + dontClearMaster + ', ' + dontUpdate + ') called'); + } + + if (typeof dontClearMaster === 'undefined') { + dontClearMaster = false; + } + + if (typeof dontUpdate === 'undefined') { + dontUpdate = false; + } + + if (dontClearMaster !== true && NETDATA.globalPanAndZoom.isMaster(this)) { + if (this.debug) { + this.log('resetChart() diverting to clearMaster().'); + } + // this will call us back with master === true + NETDATA.globalPanAndZoom.clearMaster(); + return; + } + + this.clearSelection(); + + this.tm.pan_and_zoom_seq = 0; + + this.setMode('auto'); + this.current.force_update_at = 0; + this.current.force_before_ms = null; + this.current.force_after_ms = null; + this.tm.last_autorefreshed = 0; + this.paused = false; + this.selected = false; + this.enabled = true; + // this.debug = false; + + // do not update the chart here + // or the chart will flip-flop when it is the master + // of a selection sync and another chart becomes + // the new master + + if (dontUpdate !== true && this.isVisible()) { + this.updateChart(); + } + }; + + this.updateChartPanOrZoom = function (after, before, callback) { + let logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): '; + let ret = true; + + NETDATA.globalPanAndZoom.delay(); + NETDATA.globalSelectionSync.delay(); + + if (this.debug) { + this.log(logme); + } + + if (before < after) { + if (this.debug) { + this.log(logme + 'flipped parameters, rejecting it.'); + } + return false; + } + + if (typeof this.fixed_min_duration === 'undefined') { + this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000); + } + + let min_duration = this.fixed_min_duration; + let current_duration = Math.round(this.view_before - this.view_after); + + // round the numbers + after = Math.round(after); + before = Math.round(before); + + // align them to update_every + // stretching them further away + after -= after % this.data_update_every; + before += this.data_update_every - (before % this.data_update_every); + + // the final wanted duration + let wanted_duration = before - after; + + // to allow panning, accept just a point below our minimum + if ((current_duration - this.data_update_every) < min_duration) { + min_duration = current_duration - this.data_update_every; + } + + // we do it, but we adjust to minimum size and return false + // when the wanted size is below the current and the minimum + // and we zoom + if (wanted_duration < current_duration && wanted_duration < min_duration) { + if (this.debug) { + this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString()); + } + + min_duration = this.fixed_min_duration; + + let dt = (min_duration - wanted_duration) / 2; + before += dt; + after -= dt; + wanted_duration = before - after; + ret = false; + } + + let tolerance = this.data_update_every * 2; + let movement = Math.abs(before - this.view_before); + + if (Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret) { + if (this.debug) { + this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false); + } + return false; + } + + if (this.current.name === 'auto') { + this.log(logme + 'caller called me with mode: ' + this.current.name); + this.setMode('pan'); + } + + if (this.debug) { + this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret); + } + + this.current.force_update_at = Date.now() + NETDATA.options.current.pan_and_zoom_delay; + this.current.force_after_ms = after; + this.current.force_before_ms = before; + NETDATA.globalPanAndZoom.setMaster(this, after, before); + + if (ret && typeof callback === 'function') { + callback(); + } + + return ret; + }; + + this.updateChartPanOrZoomAsyncTimeOutId = undefined; + this.updateChartPanOrZoomAsync = function (after, before, callback) { + NETDATA.globalPanAndZoom.delay(); + NETDATA.globalSelectionSync.delay(); + + if (!NETDATA.globalPanAndZoom.isMaster(this)) { + this.pauseChart(); + NETDATA.globalPanAndZoom.setMaster(this, after, before); + // NETDATA.globalSelectionSync.stop(); + NETDATA.globalSelectionSync.setMaster(this); + } + + if (this.updateChartPanOrZoomAsyncTimeOutId) { + NETDATA.timeout.clear(this.updateChartPanOrZoomAsyncTimeOutId); + } + + NETDATA.timeout.set(function () { + that.updateChartPanOrZoomAsyncTimeOutId = undefined; + that.updateChartPanOrZoom(after, before, callback); + }, 0); + }; + + let _unitsConversionLastUnits = undefined; + let _unitsConversionLastUnitsDesired = undefined; + let _unitsConversionLastMin = undefined; + let _unitsConversionLastMax = undefined; + let _unitsConversion = function (value) { + return value; + }; + this.unitsConversionSetup = function (min, max) { + if (this.units !== _unitsConversionLastUnits + || this.units_desired !== _unitsConversionLastUnitsDesired + || min !== _unitsConversionLastMin + || max !== _unitsConversionLastMax) { + + _unitsConversionLastUnits = this.units; + _unitsConversionLastUnitsDesired = this.units_desired; + _unitsConversionLastMin = min; + _unitsConversionLastMax = max; + + _unitsConversion = NETDATA.unitsConversion.get(this.uuid, min, max, this.units, this.units_desired, this.units_common, function (units) { + // console.log('switching units from ' + that.units.toString() + ' to ' + units.toString()); + that.units_current = units; + that.legendSetUnitsString(that.units_current); + }); + } + }; + + let _legendFormatValueChartDecimalsLastMin = undefined; + let _legendFormatValueChartDecimalsLastMax = undefined; + let _legendFormatValueChartDecimals = -1; + let _intlNumberFormat = null; + this.legendFormatValueDecimalsFromMinMax = function (min, max) { + if (min === _legendFormatValueChartDecimalsLastMin && max === _legendFormatValueChartDecimalsLastMax) { + return; + } + + this.unitsConversionSetup(min, max); + if (_unitsConversion !== null) { + min = _unitsConversion(min); + max = _unitsConversion(max); + + if (typeof min !== 'number' || typeof max !== 'number') { + return; + } + } + + _legendFormatValueChartDecimalsLastMin = min; + _legendFormatValueChartDecimalsLastMax = max; + + let old = _legendFormatValueChartDecimals; + + if (this.data !== null && this.data.min === this.data.max) + // it is a fixed number, let the visualizer decide based on the value + { + _legendFormatValueChartDecimals = -1; + } else if (this.value_decimal_detail !== -1) + // there is an override + { + _legendFormatValueChartDecimals = this.value_decimal_detail; + } else { + // ok, let's calculate the proper number of decimal points + let delta; + + if (min === max) { + delta = Math.abs(min); + } else { + delta = Math.abs(max - min); + } + + if (delta > 1000) { + _legendFormatValueChartDecimals = 0; + } else if (delta > 10) { + _legendFormatValueChartDecimals = 1; + } else if (delta > 1) { + _legendFormatValueChartDecimals = 2; + } else if (delta > 0.1) { + _legendFormatValueChartDecimals = 2; + } else if (delta > 0.01) { + _legendFormatValueChartDecimals = 4; + } else if (delta > 0.001) { + _legendFormatValueChartDecimals = 5; + } else if (delta > 0.0001) { + _legendFormatValueChartDecimals = 6; + } else { + _legendFormatValueChartDecimals = 7; + } + } + + if (_legendFormatValueChartDecimals !== old) { + if (_legendFormatValueChartDecimals < 0) { + _intlNumberFormat = null; + } else { + _intlNumberFormat = NETDATA.fastNumberFormat.get( + _legendFormatValueChartDecimals, + _legendFormatValueChartDecimals + ); + } + } + }; + + this.legendFormatValue = function (value) { + if (typeof value !== 'number') { + return '-'; + } + + value = _unitsConversion(value); + + if (typeof value !== 'number') { + return value; + } + + if (_intlNumberFormat !== null) { + return _intlNumberFormat.format(value); + } + + let dmin, dmax; + if (this.value_decimal_detail !== -1) { + dmin = dmax = this.value_decimal_detail; + } else { + dmin = 0; + let abs = (value < 0) ? -value : value; + if (abs > 1000) { + dmax = 0; + } else if (abs > 10) { + dmax = 1; + } else if (abs > 1) { + dmax = 2; + } else if (abs > 0.1) { + dmax = 2; + } else if (abs > 0.01) { + dmax = 4; + } else if (abs > 0.001) { + dmax = 5; + } else if (abs > 0.0001) { + dmax = 6; + } else { + dmax = 7; + } + } + + return NETDATA.fastNumberFormat.get(dmin, dmax).format(value); + }; + + this.legendSetLabelValue = function (label, value) { + let series = this.element_legend_childs.series[label]; + if (typeof series === 'undefined') { + return; + } + if (series.value === null && series.user === null) { + return; + } + + /* + // this slows down firefox and edge significantly + // since it requires to use innerHTML(), instead of innerText() + + // if the value has not changed, skip DOM update + //if (series.last === value) return; + + let s, r; + if (typeof value === 'number') { + let v = Math.abs(value); + s = r = this.legendFormatValue(value); + + if (typeof series.last === 'number') { + if (v > series.last) s += '<i class="fas fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + else if (v < series.last) s += '<i class="fas fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + else s += '<i class="fas fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + } + else s += '<i class="fas fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + + series.last = v; + } + else { + if (value === null) + s = r = ''; + else + s = r = value; + + series.last = value; + } + */ + + let s = this.legendFormatValue(value); + + // caching: do not update the update to show the same value again + if (s === series.last_shown_value) { + return; + } + series.last_shown_value = s; + + if (series.value !== null) { + series.value.innerText = s; + } + if (series.user !== null) { + series.user.innerText = s; + } + }; + + this.legendSetDateString = function (date) { + if (this.element_legend_childs.title_date !== null && date !== this.tmp.__last_shown_legend_date) { + this.element_legend_childs.title_date.innerText = date; + this.tmp.__last_shown_legend_date = date; + } + }; + + this.legendSetTimeString = function (time) { + if (this.element_legend_childs.title_time !== null && time !== this.tmp.__last_shown_legend_time) { + this.element_legend_childs.title_time.innerText = time; + this.tmp.__last_shown_legend_time = time; + } + }; + + this.legendSetUnitsString = function (units) { + if (this.element_legend_childs.title_units !== null && units !== this.tmp.__last_shown_legend_units) { + this.element_legend_childs.title_units.innerText = units; + this.tmp.__last_shown_legend_units = units; + } + }; + + this.legendSetDateLast = { + ms: 0, + date: undefined, + time: undefined + }; + + this.legendSetDate = function (ms) { + if (typeof ms !== 'number') { + this.legendShowUndefined(); + return; + } + + if (this.legendSetDateLast.ms !== ms) { + let d = new Date(ms); + this.legendSetDateLast.ms = ms; + this.legendSetDateLast.date = NETDATA.dateTime.localeDateString(d); + this.legendSetDateLast.time = NETDATA.dateTime.localeTimeString(d); + } + + this.legendSetDateString(this.legendSetDateLast.date); + this.legendSetTimeString(this.legendSetDateLast.time); + this.legendSetUnitsString(this.units_current) + }; + + this.legendShowUndefined = function () { + this.legendSetDateString(this.legendPluginModuleString(false)); + this.legendSetTimeString(this.chart.context.toString()); + // this.legendSetUnitsString(' '); + + if (this.data && this.element_legend_childs.series !== null) { + let labels = this.data.dimension_names; + let i = labels.length; + while (i--) { + let label = labels[i]; + + if (typeof label === 'undefined' || typeof this.element_legend_childs.series[label] === 'undefined') { + continue; + } + this.legendSetLabelValue(label, null); + } + } + }; + + this.legendShowLatestValues = function () { + if (this.chart === null) { + return; + } + if (this.selected) { + return; + } + + if (this.data === null || this.element_legend_childs.series === null) { + this.legendShowUndefined(); + return; + } + + let show_undefined = true; + if (Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) { + show_undefined = false; + } + + if (show_undefined) { + this.legendShowUndefined(); + return; + } + + this.legendSetDate(this.view_before); + + let labels = this.data.dimension_names; + let i = labels.length; + while (i--) { + let label = labels[i]; + + if (typeof label === 'undefined') { + continue; + } + if (typeof this.element_legend_childs.series[label] === 'undefined') { + continue; + } + + this.legendSetLabelValue(label, this.data.view_latest_values[i]); + } + }; + + this.legendReset = function () { + this.legendShowLatestValues(); + }; + + // this should be called just ONCE per dimension per chart + this.__chartDimensionColor = function (label) { + let c = NETDATA.commonColors.get(this, label); + + // it is important to maintain a list of colors + // for this chart only, since the chart library + // uses this to assign colors to dimensions in the same + // order the dimension are given to it + this.colors.push(c); + + return c; + }; + + this.chartPrepareColorPalette = function () { + NETDATA.commonColors.refill(this); + }; + + // get the ordered list of chart colors + // this includes user defined colors + this.chartCustomColors = function () { + this.chartPrepareColorPalette(); + + let colors; + if (this.colors_custom.length) { + colors = this.colors_custom; + } else { + colors = this.colors; + } + + if (this.debug) { + this.log("chartCustomColors() returns:"); + this.log(colors); + } + + return colors; + }; + + // get the ordered list of chart ASSIGNED colors + // (this returns only the colors that have been + // assigned to dimensions, prepended with any + // custom colors defined) + this.chartColors = function () { + this.chartPrepareColorPalette(); + + if (this.debug) { + this.log("chartColors() returns:"); + this.log(this.colors); + } + + return this.colors; + }; + + this.legendPluginModuleString = function (withContext) { + let str = ' '; + let context = ''; + + if (typeof this.chart !== 'undefined') { + if (withContext && typeof this.chart.context === 'string') { + context = this.chart.context; + } + + if (typeof this.chart.plugin === 'string' && this.chart.plugin !== '') { + str = this.chart.plugin; + + if (str.endsWith(".plugin")) { + str = str.substring(0, str.length - 7); + } + + if (typeof this.chart.module === 'string' && this.chart.module !== '') { + str += ':' + this.chart.module; + } + + if (withContext && context !== '') { + str += ', ' + context; + } + } + else if (withContext && context !== '') { + str = context; + } + } + + return str; + }; + + this.legendResolutionTooltip = function () { + if (!this.chart) { + return ''; + } + + let collected = this.chart.update_every; + let viewed = (this.data) ? this.data.view_update_every : collected; + + if (collected === viewed) { + return "resolution " + NETDATA.seconds4human(collected); + } + + return "resolution " + NETDATA.seconds4human(viewed) + ", collected every " + NETDATA.seconds4human(collected); + }; + + this.legendUpdateDOM = function () { + let needed = false, dim, keys, len; + + // check that the legend DOM is up to date for the downloaded dimensions + if (typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) { + // this.log('the legend does not have any series - requesting legend update'); + needed = true; + } else if (this.data === null) { + // this.log('the chart does not have any data - requesting legend update'); + needed = true; + } else if (typeof this.element_legend_childs.series.labels_key === 'undefined') { + needed = true; + } else { + let labels = this.data.dimension_names.toString(); + if (labels !== this.element_legend_childs.series.labels_key) { + needed = true; + + if (this.debug) { + this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"'); + } + } + } + + if (!needed) { + // make sure colors available + this.chartPrepareColorPalette(); + + // do we have to update the current values? + // we do this, only when the visible chart is current + if (Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) { + if (this.debug) { + this.log('chart is in latest position... updating values on legend...'); + } + + //let labels = this.data.dimension_names; + //let i = labels.length; + //while (i--) + // this.legendSetLabelValue(labels[i], this.data.view_latest_values[i]); + } + return; + } + + if (this.colors === null) { + // this is the first time we update the chart + // let's assign colors to all dimensions + if (this.library.track_colors()) { + this.colors = []; + keys = Object.keys(this.chart.dimensions); + len = keys.length; + for (let i = 0; i < len; i++) { + NETDATA.commonColors.get(this, this.chart.dimensions[keys[i]].name); + } + } + } + + // we will re-generate the colors for the chart + // based on the dimensions this result has data for + this.colors = []; + + if (this.debug) { + this.log('updating Legend DOM'); + } + + // mark all dimensions as invalid + this.dimensions_visibility.invalidateAll(); + + const genLabel = function (state, parent, dim, name, count) { + let color = state.__chartDimensionColor(name); + + let user_element = null; + let user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + name.toLowerCase() + '-at', null); + if (user_id === null) { + user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + dim.toLowerCase() + '-at', null); + } + if (user_id !== null) { + user_element = document.getElementById(user_id) || null; + if (user_element === null) { + state.log('Cannot find element with id: ' + user_id); + } + } + + state.element_legend_childs.series[name] = { + name: document.createElement('span'), + value: document.createElement('span'), + user: user_element, + last: null, + last_shown_value: null + }; + + let label = state.element_legend_childs.series[name]; + + // create the dimension visibility tracking for this label + state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color); + + let rgb = NETDATA.colorHex2Rgb(color); + label.name.innerHTML = '<table class="netdata-legend-name-table-' + + state.chart.chart_type + + '" style="background-color: ' + + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ') !important' + + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>'; + + let text = document.createTextNode(' ' + name); + label.name.appendChild(text); + + if (count > 0) { + parent.appendChild(document.createElement('br')); + } + + parent.appendChild(label.name); + parent.appendChild(label.value); + }; + + let content = document.createElement('div'); + + if (this.element_chart === null) { + this.element_chart = document.createElement('div'); + this.element_chart.id = this.library_name + '-' + this.uuid + '-chart'; + this.element.appendChild(this.element_chart); + + if (this.hasLegend()) { + this.element_chart.className = 'netdata-chart-with-legend-right netdata-' + this.library_name + '-chart-with-legend-right'; + } else { + this.element_chart.className = ' netdata-chart netdata-' + this.library_name + '-chart'; + } + } + + if (this.hasLegend()) { + if (this.element_legend === null) { + this.element_legend = document.createElement('div'); + this.element_legend.className = 'netdata-chart-legend netdata-' + this.library_name + '-legend'; + this.element.appendChild(this.element_legend); + } else { + this.element_legend.innerHTML = ''; + } + + this.element_legend_childs = { + content: content, + resize_handler: null, + toolbox: null, + toolbox_left: null, + toolbox_right: null, + toolbox_reset: null, + toolbox_zoomin: null, + toolbox_zoomout: null, + toolbox_volume: null, + title_date: document.createElement('span'), + title_time: document.createElement('span'), + title_units: document.createElement('span'), + perfect_scroller: document.createElement('div'), + series: {} + }; + + if (NETDATA.options.current.legend_toolbox && this.library.toolboxPanAndZoom !== null) { + this.element_legend_childs.toolbox = document.createElement('div'); + this.element_legend_childs.toolbox_left = document.createElement('div'); + this.element_legend_childs.toolbox_right = document.createElement('div'); + this.element_legend_childs.toolbox_reset = document.createElement('div'); + this.element_legend_childs.toolbox_zoomin = document.createElement('div'); + this.element_legend_childs.toolbox_zoomout = document.createElement('div'); + this.element_legend_childs.toolbox_volume = document.createElement('div'); + + const getPanAndZoomStep = function (event) { + if (event.ctrlKey) { + return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_control; + } else if (event.shiftKey) { + return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_shift; + } else if (event.altKey) { + return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_alt; + } else { + return NETDATA.options.current.pan_and_zoom_factor; + } + }; + + this.element_legend_childs.toolbox.className += ' netdata-legend-toolbox'; + this.element.appendChild(this.element_legend_childs.toolbox); + + this.element_legend_childs.toolbox_left.className += ' netdata-legend-toolbox-button'; + this.element_legend_childs.toolbox_left.innerHTML = NETDATA.icons.left; + this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_left); + this.element_legend_childs.toolbox_left.onclick = function (e) { + e.preventDefault(); + + let step = (that.view_before - that.view_after) * getPanAndZoomStep(e); + let before = that.view_before - step; + let after = that.view_after - step; + if (after >= that.netdata_first) { + that.library.toolboxPanAndZoom(that, after, before); + } + }; + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.toolbox_left).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Pan Left', + content: 'Pan the chart to the left. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help can be disabled from the settings.</small>' + }); + } + + this.element_legend_childs.toolbox_reset.className += ' netdata-legend-toolbox-button'; + this.element_legend_childs.toolbox_reset.innerHTML = NETDATA.icons.reset; + this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_reset); + this.element_legend_childs.toolbox_reset.onclick = function (e) { + e.preventDefault(); + NETDATA.resetAllCharts(that); + }; + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.toolbox_reset).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Chart Reset', + content: 'Reset all the charts to their default auto-refreshing state. You can also <b>double click</b> the chart contents with your mouse or your finger (on touch devices).<br/><small>Help can be disabled from the settings.</small>' + }); + } + + this.element_legend_childs.toolbox_right.className += ' netdata-legend-toolbox-button'; + this.element_legend_childs.toolbox_right.innerHTML = NETDATA.icons.right; + this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_right); + this.element_legend_childs.toolbox_right.onclick = function (e) { + e.preventDefault(); + let step = (that.view_before - that.view_after) * getPanAndZoomStep(e); + let before = that.view_before + step; + let after = that.view_after + step; + if (before <= that.netdata_last) { + that.library.toolboxPanAndZoom(that, after, before); + } + }; + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.toolbox_right).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Pan Right', + content: 'Pan the chart to the right. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help can be disabled from the settings.</small>' + }); + } + + this.element_legend_childs.toolbox_zoomin.className += ' netdata-legend-toolbox-button'; + this.element_legend_childs.toolbox_zoomin.innerHTML = NETDATA.icons.zoomIn; + this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomin); + this.element_legend_childs.toolbox_zoomin.onclick = function (e) { + e.preventDefault(); + let dt = ((that.view_before - that.view_after) * (getPanAndZoomStep(e) * 0.8) / 2); + let before = that.view_before - dt; + let after = that.view_after + dt; + that.library.toolboxPanAndZoom(that, after, before); + }; + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.toolbox_zoomin).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Chart Zoom In', + content: 'Zoom in the chart. You can also press SHIFT and select an area of the chart, or press SHIFT or ALT and use the mouse wheel or 2-finger touchpad scroll to zoom in or out.<br/><small>Help can be disabled from the settings.</small>' + }); + } + + this.element_legend_childs.toolbox_zoomout.className += ' netdata-legend-toolbox-button'; + this.element_legend_childs.toolbox_zoomout.innerHTML = NETDATA.icons.zoomOut; + this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomout); + this.element_legend_childs.toolbox_zoomout.onclick = function (e) { + e.preventDefault(); + let dt = (((that.view_before - that.view_after) / (1.0 - (getPanAndZoomStep(e) * 0.8)) - (that.view_before - that.view_after)) / 2); + let before = that.view_before + dt; + let after = that.view_after - dt; + + that.library.toolboxPanAndZoom(that, after, before); + }; + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.toolbox_zoomout).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Chart Zoom Out', + content: 'Zoom out the chart. You can also press SHIFT or ALT and use the mouse wheel, or 2-finger touchpad scroll to zoom in or out.<br/><small>Help can be disabled from the settings.</small>' + }); + } + + //this.element_legend_childs.toolbox_volume.className += ' netdata-legend-toolbox-button'; + //this.element_legend_childs.toolbox_volume.innerHTML = '<i class="fas fa-sort-amount-down"></i>'; + //this.element_legend_childs.toolbox_volume.title = 'Visible Volume'; + //this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_volume); + //this.element_legend_childs.toolbox_volume.onclick = function(e) { + //e.preventDefault(); + //alert('clicked toolbox_volume on ' + that.id); + //} + } + + if (NETDATA.options.current.resize_charts) { + this.element_legend_childs.resize_handler = document.createElement('div'); + + this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler"; + this.element_legend_childs.resize_handler.innerHTML = NETDATA.icons.resize; + this.element.appendChild(this.element_legend_childs.resize_handler); + if (NETDATA.options.current.show_help) { + $(this.element_legend_childs.resize_handler).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + title: 'Chart Resize', + content: 'Drag this point with your mouse or your finger (on touch devices), to resize the chart vertically. You can also <b>double click it</b> or <b>double tap it</b> to reset between 2 states: the default and the one that fits all the values.<br/><small>Help can be disabled from the settings.</small>' + }); + } + + // mousedown event + this.element_legend_childs.resize_handler.onmousedown = + function (e) { + that.resizeHandler(e); + }; + + // touchstart event + this.element_legend_childs.resize_handler.addEventListener('touchstart', function (e) { + that.resizeHandler(e); + }, false); + } + + if (this.chart) { + this.element_legend_childs.title_date.title = this.legendPluginModuleString(true); + this.element_legend_childs.title_time.title = this.legendResolutionTooltip(); + } + + this.element_legend_childs.title_date.className += " netdata-legend-title-date"; + this.element_legend.appendChild(this.element_legend_childs.title_date); + this.tmp.__last_shown_legend_date = undefined; + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.title_time.className += " netdata-legend-title-time"; + this.element_legend.appendChild(this.element_legend_childs.title_time); + this.tmp.__last_shown_legend_time = undefined; + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.title_units.className += " netdata-legend-title-units"; + this.element_legend_childs.title_units.innerText = this.units_current; + this.element_legend.appendChild(this.element_legend_childs.title_units); + this.tmp.__last_shown_legend_units = undefined; + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.perfect_scroller.className = 'netdata-legend-series'; + this.element_legend.appendChild(this.element_legend_childs.perfect_scroller); + + content.className = 'netdata-legend-series-content'; + this.element_legend_childs.perfect_scroller.appendChild(content); + + this.element_legend_childs.content = content; + + if (NETDATA.options.current.show_help) { + $(content).popover({ + container: "body", + animation: false, + html: true, + trigger: 'hover', + placement: 'bottom', + title: 'Chart Legend', + delay: { + show: NETDATA.options.current.show_help_delay_show_ms, + hide: NETDATA.options.current.show_help_delay_hide_ms + }, + content: 'You can click or tap on the values or the labels to select dimensions. By pressing SHIFT or CONTROL, you can enable or disable multiple dimensions.<br/><small>Help can be disabled from the settings.</small>' + }); + } + } else { + this.element_legend_childs = { + content: content, + resize_handler: null, + toolbox: null, + toolbox_left: null, + toolbox_right: null, + toolbox_reset: null, + toolbox_zoomin: null, + toolbox_zoomout: null, + toolbox_volume: null, + title_date: null, + title_time: null, + title_units: null, + perfect_scroller: null, + series: {} + }; + } + + if (this.data) { + this.element_legend_childs.series.labels_key = this.data.dimension_names.toString(); + if (this.debug) { + this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"'); + } + + for (let i = 0, len = this.data.dimension_names.length; i < len; i++) { + genLabel(this, content, this.data.dimension_ids[i], this.data.dimension_names[i], i); + } + } else { + let tmp = []; + keys = Object.keys(this.chart.dimensions); + for (let i = 0, len = keys.length; i < len; i++) { + dim = keys[i]; + tmp.push(this.chart.dimensions[dim].name); + genLabel(this, content, dim, this.chart.dimensions[dim].name, i); + } + this.element_legend_childs.series.labels_key = tmp.toString(); + if (this.debug) { + this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"'); + } + } + + // create a hidden div to be used for hidding + // the original legend of the chart library + let el = document.createElement('div'); + if (this.element_legend !== null) { + this.element_legend.appendChild(el); + } + el.style.display = 'none'; + + this.element_legend_childs.hidden = document.createElement('div'); + el.appendChild(this.element_legend_childs.hidden); + + if (this.element_legend_childs.perfect_scroller !== null) { + Ps.initialize(this.element_legend_childs.perfect_scroller, { + wheelSpeed: 0.2, + wheelPropagation: true, + swipePropagation: true, + minScrollbarLength: null, + maxScrollbarLength: null, + useBothWheelAxes: false, + suppressScrollX: true, + suppressScrollY: false, + scrollXMarginOffset: 0, + scrollYMarginOffset: 0, + theme: 'default' + }); + Ps.update(this.element_legend_childs.perfect_scroller); + } + + this.legendShowLatestValues(); + }; + + this.hasLegend = function () { + if (typeof this.tmp.___hasLegendCache___ !== 'undefined') { + return this.tmp.___hasLegendCache___; + } + + let leg = false; + if (this.library && this.library.legend(this) === 'right-side') { + leg = true; + } + + this.tmp.___hasLegendCache___ = leg; + return leg; + }; + + this.legendWidth = function () { + return (this.hasLegend()) ? 140 : 0; + }; + + this.legendHeight = function () { + return $(this.element).height(); + }; + + this.chartWidth = function () { + return $(this.element).width() - this.legendWidth(); + }; + + this.chartHeight = function () { + return $(this.element).height(); + }; + + this.chartPixelsPerPoint = function () { + // force an options provided detail + let px = this.pixels_per_point; + + if (this.library && px < this.library.pixels_per_point(this)) { + px = this.library.pixels_per_point(this); + } + + if (px < NETDATA.options.current.pixels_per_point) { + px = NETDATA.options.current.pixels_per_point; + } + + return px; + }; + + this.needsRecreation = function () { + let ret = ( + this.chart_created && + this.library && + this.library.autoresize() === false && + this.tm.last_resized < NETDATA.options.last_page_resize + ); + + if (this.debug) { + this.log('needsRecreation(): ' + ret.toString() + ', chart_created = ' + this.chart_created.toString()); + } + + return ret; + }; + + this.chartDataUniqueID = function () { + return this.id + ',' + this.library_name + ',' + this.dimensions + ',' + this.chartURLOptions(true); + }; + + this.chartURLOptions = function (isForUniqueId) { + let ret = ''; + + if (this.override_options !== null) { + ret = this.override_options.toString(); + } else { + ret = this.library.options(this); + } + + if (this.append_options !== null) { + ret += '%7C' + this.append_options.toString(); + } + + ret += '%7C' + 'jsonwrap'; + + // always add `nonzero` when it's used to create a chartDataUniqueID + // we cannot just remove `nonzero` because of backwards compatibility with old snapshots + if (isForUniqueId || NETDATA.options.current.eliminate_zero_dimensions) { + ret += '%7C' + 'nonzero'; + } + + return ret; + }; + + this.chartURL = function () { + let after, before, points_multiplier = 1; + if (NETDATA.globalPanAndZoom.isActive()) { + if (this.current.force_before_ms !== null && this.current.force_after_ms !== null) { + this.tm.pan_and_zoom_seq = 0; + + before = Math.round(this.current.force_before_ms / 1000); + after = Math.round(this.current.force_after_ms / 1000); + this.view_after = after * 1000; + this.view_before = before * 1000; + + if (NETDATA.options.current.pan_and_zoom_data_padding) { + this.requested_padding = Math.round((before - after) / 2); + after -= this.requested_padding; + before += this.requested_padding; + this.requested_padding *= 1000; + points_multiplier = 2; + } + + this.current.force_before_ms = null; + this.current.force_after_ms = null; + } else { + this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq; + + after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000); + before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000); + this.view_after = after * 1000; + this.view_before = before * 1000; + + this.requested_padding = null; + points_multiplier = 1; + } + } else { + this.tm.pan_and_zoom_seq = 0; + + before = this.before; + after = this.after; + this.view_after = after * 1000; + this.view_before = before * 1000; + + this.requested_padding = null; + points_multiplier = 1; + } + + this.requested_after = after * 1000; + this.requested_before = before * 1000; + + let data_points; + if (NETDATA.options.force_data_points !== 0) { + data_points = NETDATA.options.force_data_points; + this.data_points = data_points; + } else { + this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint()); + data_points = this.data_points * points_multiplier; + } + + // build the data URL + this.data_url = this.host + this.chart.data_url; + this.data_url += "&format=" + this.library.format(); + this.data_url += "&points=" + (data_points).toString(); + this.data_url += "&group=" + this.method; + this.data_url += ">ime=" + this.gtime; + this.data_url += "&options=" + this.chartURLOptions(); + + if (after) { + this.data_url += "&after=" + after.toString(); + } + + if (before) { + this.data_url += "&before=" + before.toString(); + } + + if (this.dimensions) { + this.data_url += "&dimensions=" + this.dimensions; + } + if (NETDATA.options.debug.chart_data_url || this.debug) { + this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + data_points.toString() + ' library: ' + this.library_name); + } + }; + + this.redrawChart = function () { + if (this.data !== null) { + this.updateChartWithData(this.data); + } + }; + + this.updateChartWithData = function (data) { + if (this.debug) { + this.log('updateChartWithData() called.'); + } + + // this may force the chart to be re-created + resizeChart(); + + this.data = data; + + let started = Date.now(); + let view_update_every = data.view_update_every * 1000; + + if (this.data_update_every !== view_update_every) { + if (this.element_legend_childs.title_time) { + this.element_legend_childs.title_time.title = this.legendResolutionTooltip(); + } + } + + // if the result is JSON, find the latest update-every + this.data_update_every = view_update_every; + this.data_after = data.after * 1000; + this.data_before = data.before * 1000; + this.netdata_first = data.first_entry * 1000; + this.netdata_last = data.last_entry * 1000; + this.data_points = data.points; + + data.state = this; + + if (NETDATA.options.current.pan_and_zoom_data_padding && this.requested_padding !== null) { + if (this.view_after < this.data_after) { + // console.log('adjusting view_after from ' + this.view_after + ' to ' + this.data_after); + this.view_after = this.data_after; + } + + if (this.view_before > this.data_before) { + // console.log('adjusting view_before from ' + this.view_before + ' to ' + this.data_before); + this.view_before = this.data_before; + } + } else { + this.view_after = this.data_after; + this.view_before = this.data_before; + } + + if (this.debug) { + this.log('UPDATE No ' + this.updates_counter + ' COMPLETED'); + + if (this.current.force_after_ms) { + this.log('STATUS: forced : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString()); + } else { + this.log('STATUS: forced : unset'); + } + + this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString()); + this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString()); + this.log('STATUS: rendered : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString()); + this.log('STATUS: points : ' + (this.data_points).toString()); + } + + if (this.data_points === 0) { + noDataToShow(); + return; + } + + if (this.updates_since_last_creation >= this.library.max_updates_to_recreate()) { + if (this.debug) { + this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.'); + } + + init('force'); + return; + } + + // check and update the legend + this.legendUpdateDOM(); + + if (this.chart_created && typeof this.library.update === 'function') { + if (this.debug) { + this.log('updating chart...'); + } + + if (!callChartLibraryUpdateSafely(data)) { + return; + } + } else { + if (this.debug) { + this.log('creating chart...'); + } + + if (!callChartLibraryCreateSafely(data)) { + return; + } + } + + if (this.isVisible()) { + hideMessage(); + this.legendShowLatestValues(); + } else { + this.__redraw_on_unhide = true; + + if (this.debug) { + this.log("drawn while not visible"); + } + } + + if (this.selected) { + NETDATA.globalSelectionSync.stop(); + } + + // update the performance counters + let now = Date.now(); + this.tm.last_updated = now; + + // don't update last_autorefreshed if this chart is + // forced to be updated with global PanAndZoom + if (NETDATA.globalPanAndZoom.isActive()) { + this.tm.last_autorefreshed = 0; + } else { + if (NETDATA.options.current.parallel_refresher && NETDATA.options.current.concurrent_refreshes && typeof this.force_update_every !== 'number') { + this.tm.last_autorefreshed = now - (now % this.data_update_every); + } else { + this.tm.last_autorefreshed = now; + } + } + + this.refresh_dt_ms = now - started; + NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms; + + if (this.refresh_dt_element !== null) { + this.refresh_dt_element.innerText = this.refresh_dt_ms.toString(); + } + + if (this.foreignElementBefore !== null) { + this.foreignElementBefore.innerText = NETDATA.dateTime.localeDateString(this.view_before) + ' ' + NETDATA.dateTime.localeTimeString(this.view_before); + } + + if (this.foreignElementAfter !== null) { + this.foreignElementAfter.innerText = NETDATA.dateTime.localeDateString(this.view_after) + ' ' + NETDATA.dateTime.localeTimeString(this.view_after); + } + + if (this.foreignElementDuration !== null) { + this.foreignElementDuration.innerText = NETDATA.seconds4human(Math.floor((this.view_before - this.view_after) / 1000) + 1); + } + + if (this.foreignElementUpdateEvery !== null) { + this.foreignElementUpdateEvery.innerText = NETDATA.seconds4human(Math.floor(this.data_update_every / 1000)); + } + }; + + this.getSnapshotData = function (key) { + if (this.debug) { + this.log('updating from snapshot: ' + key); + } + + if (typeof netdataSnapshotData.data[key] === 'undefined') { + this.log('snapshot does not include data for key "' + key + '"'); + return null; + } + + if (typeof netdataSnapshotData.data[key] !== 'string') { + this.log('snapshot data for key "' + key + '" is not string'); + return null; + } + + let uncompressed; + try { + uncompressed = netdataSnapshotData.uncompress(netdataSnapshotData.data[key]); + + if (uncompressed === null) { + this.log('uncompressed snapshot data for key ' + key + ' is null'); + return null; + } + + if (typeof uncompressed === 'undefined') { + this.log('uncompressed snapshot data for key ' + key + ' is undefined'); + return null; + } + } catch (e) { + this.log('decompression of snapshot data for key ' + key + ' failed'); + console.log(e); + uncompressed = null; + } + + if (typeof uncompressed !== 'string') { + this.log('uncompressed snapshot data for key ' + key + ' is not string'); + return null; + } + + let data; + try { + data = JSON.parse(uncompressed); + } catch (e) { + this.log('parsing snapshot data for key ' + key + ' failed'); + console.log(e); + data = null; + } + + return data; + }; + + this.updateChart = function (callback) { + if (this.debug) { + this.log('updateChart()'); + } + + if (this.fetching_data) { + if (this.debug) { + this.log('updateChart(): I am already updating...'); + } + + if (typeof callback === 'function') { + return callback(false, 'already running'); + } + + return; + } + + // due to late initialization of charts and libraries + // we need to check this too + if (!this.enabled) { + if (this.debug) { + this.log('updateChart(): I am not enabled'); + } + + if (typeof callback === 'function') { + return callback(false, 'not enabled'); + } + + return; + } + + if (!canBeRendered()) { + if (this.debug) { + this.log('updateChart(): cannot be rendered'); + } + + if (typeof callback === 'function') { + return callback(false, 'cannot be rendered'); + } + + return; + } + + if (that.dom_created !== true) { + if (this.debug) { + this.log('updateChart(): creating DOM'); + } + + createDOM(); + } + + if (this.chart === null) { + if (this.debug) { + this.log('updateChart(): getting chart'); + } + + return this.getChart(function () { + return that.updateChart(callback); + }); + } + + if (!this.library.initialized) { + if (this.library.enabled) { + if (this.debug) { + this.log('updateChart(): initializing chart library'); + } + + return this.library.initialize(function () { + return that.updateChart(callback); + }); + } else { + error('chart library "' + this.library_name + '" is not available.'); + + if (typeof callback === 'function') { + return callback(false, 'library not available'); + } + + return; + } + } + + this.clearSelection(); + this.chartURL(); + + NETDATA.statistics.refreshes_total++; + NETDATA.statistics.refreshes_active++; + + if (NETDATA.statistics.refreshes_active > NETDATA.statistics.refreshes_active_max) { + NETDATA.statistics.refreshes_active_max = NETDATA.statistics.refreshes_active; + } + + let ok = false; + this.fetching_data = true; + + if (netdataSnapshotData !== null) { + let key = this.chartDataUniqueID(); + let data = this.getSnapshotData(key); + if (data !== null) { + ok = true; + data = NETDATA.xss.checkData('/api/v1/data', data, this.library.xssRegexIgnore); + this.updateChartWithData(data); + } else { + ok = false; + error('cannot get data from snapshot for key: "' + key + '"'); + that.tm.last_autorefreshed = Date.now(); + } + + NETDATA.statistics.refreshes_active--; + this.fetching_data = false; + + if (typeof callback === 'function') { + callback(ok, 'snapshot'); + } + + return; + } + + if (this.debug) { + this.log('updating from ' + this.data_url); + } + + this.xhr = $.ajax({ + url: this.data_url, + cache: false, + async: true, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkData('/api/v1/data', data, that.library.xssRegexIgnore); + + that.xhr = undefined; + that.retries_on_data_failures = 0; + ok = true; + + if (that.debug) { + that.log('data received. updating chart.'); + } + + that.updateChartWithData(data); + }) + .fail(function (msg) { + that.xhr = undefined; + + if (msg.statusText !== 'abort') { + that.retries_on_data_failures++; + if (that.retries_on_data_failures > NETDATA.options.current.retries_on_data_failures) { + // that.log('failed ' + that.retries_on_data_failures.toString() + ' times - giving up'); + that.retries_on_data_failures = 0; + error('data download failed for url: ' + that.data_url); + } + else { + that.tm.last_autorefreshed = Date.now(); + // that.log('failed ' + that.retries_on_data_failures.toString() + ' times, but I will retry'); + } + } + }) + .always(function () { + that.xhr = undefined; + + NETDATA.statistics.refreshes_active--; + that.fetching_data = false; + + if (typeof callback === 'function') { + return callback(ok, 'download'); + } + }); + }; + + const __isVisible = function () { + let ret = true; + + if (NETDATA.options.current.update_only_visible !== false) { + // tolerance is the number of pixels a chart can be off-screen + // to consider it as visible and refresh it as if was visible + let tolerance = 0; + + that.tm.last_visible_check = Date.now(); + + let rect = that.element.getBoundingClientRect(); + + let screenTop = window.scrollY; + let screenBottom = screenTop + window.innerHeight; + + let chartTop = rect.top + screenTop; + let chartBottom = chartTop + rect.height; + + ret = !(rect.width === 0 || rect.height === 0 || chartBottom + tolerance < screenTop || chartTop - tolerance > screenBottom); + } + + if (that.debug) { + that.log('__isVisible(): ' + ret); + } + + return ret; + }; + + this.isVisible = function (nocache) { + // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll); + + // caching - we do not evaluate the charts visibility + // if the page has not been scrolled since the last check + if ((typeof nocache !== 'undefined' && nocache) + || typeof this.tmp.___isVisible___ === 'undefined' + || this.tm.last_visible_check <= NETDATA.options.last_page_scroll) { + this.tmp.___isVisible___ = __isVisible(); + if (this.tmp.___isVisible___) { + this.unhideChart(); + } else { + this.hideChart(); + } + } + + if (this.debug) { + this.log('isVisible(' + nocache + '): ' + this.tmp.___isVisible___); + } + + return this.tmp.___isVisible___; + }; + + this.isAutoRefreshable = function () { + return (this.current.autorefresh); + }; + + this.canBeAutoRefreshed = function () { + if (!this.enabled) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> not enabled'); + } + + return false; + } + + if (this.running) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> already running'); + } + + return false; + } + + if (this.library === null || this.library.enabled === false) { + error('charting library "' + this.library_name + '" is not available'); + if (this.debug) { + this.log('canBeAutoRefreshed() -> chart library ' + this.library_name + ' is not available'); + } + + return false; + } + + if (!this.isVisible()) { + if (NETDATA.options.debug.visibility || this.debug) { + this.log('canBeAutoRefreshed() -> not visible'); + } + + return false; + } + + let now = Date.now(); + + if (this.current.force_update_at !== 0 && this.current.force_update_at < now) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> timed force update - allowing this update'); + } + + this.current.force_update_at = 0; + return true; + } + + if (!this.isAutoRefreshable()) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> not auto-refreshable'); + } + + return false; + } + + // allow the first update, even if the page is not visible + if (NETDATA.options.page_is_visible === false && this.updates_counter && this.updates_since_last_unhide) { + if (NETDATA.options.debug.focus || this.debug) { + this.log('canBeAutoRefreshed() -> not the first update, and page does not have focus'); + } + + return false; + } + + if (this.needsRecreation()) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> needs re-creation.'); + } + + return true; + } + + if (NETDATA.options.auto_refresher_stop_until >= now) { + if (this.debug) { + this.log('canBeAutoRefreshed() -> stopped until is in future.'); + } + + return false; + } + + // options valid only for autoRefresh() + if (NETDATA.globalPanAndZoom.isActive()) { + if (NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) { + if (this.debug) { + this.log('canBeAutoRefreshed(): global panning: I need an update.'); + } + + return true; + } + else { + if (this.debug) { + this.log('canBeAutoRefreshed(): global panning: I am already up to date.'); + } + + return false; + } + } + + if (this.selected) { + if (this.debug) { + this.log('canBeAutoRefreshed(): I have a selection in place.'); + } + + return false; + } + + if (this.paused) { + if (this.debug) { + this.log('canBeAutoRefreshed(): I am paused.'); + } + + return false; + } + + let data_update_every = this.data_update_every; + if (typeof this.force_update_every === 'number') { + data_update_every = this.force_update_every; + } + + if (now - this.tm.last_autorefreshed >= data_update_every) { + if (this.debug) { + this.log('canBeAutoRefreshed(): It is time to update me. Now: ' + now.toString() + ', last_autorefreshed: ' + this.tm.last_autorefreshed + ', data_update_every: ' + data_update_every + ', delta: ' + (now - this.tm.last_autorefreshed).toString()); + } + + return true; + } + + return false; + }; + + this.autoRefresh = function (callback) { + let state = that; + + if (state.canBeAutoRefreshed() && state.running === false) { + state.running = true; + state.updateChart(function () { + state.running = false; + + if (typeof callback === 'function') { + return callback(); + } + }); + } else { + if (typeof callback === 'function') { + return callback(); + } + } + }; + + this.__defaultsFromDownloadedChart = function (chart) { + this.chart = chart; + this.chart_url = chart.url; + this.data_update_every = chart.update_every * 1000; + this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint()); + this.tm.last_info_downloaded = Date.now(); + + if (this.title === null) { + this.title = chart.title; + } + + if (this.units === null) { + this.units = chart.units; + this.units_current = this.units; + } + }; + + // fetch the chart description from the netdata server + this.getChart = function (callback) { + this.chart = NETDATA.chartRegistry.get(this.host, this.id); + if (this.chart) { + this.__defaultsFromDownloadedChart(this.chart); + + if (typeof callback === 'function') { + return callback(); + } + } else if (netdataSnapshotData !== null) { + // console.log(this); + // console.log(NETDATA.chartRegistry); + NETDATA.error(404, 'host: ' + this.host + ', chart: ' + this.id); + error('chart not found in snapshot'); + + if (typeof callback === 'function') { + return callback(); + } + } else { + this.chart_url = "/api/v1/chart?chart=" + this.id; + + if (this.debug) { + this.log('downloading ' + this.chart_url); + } + + $.ajax({ + url: this.host + this.chart_url, + cache: false, + async: true, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (chart) { + chart = NETDATA.xss.checkOptional('/api/v1/chart', chart); + + chart.url = that.chart_url; + that.__defaultsFromDownloadedChart(chart); + NETDATA.chartRegistry.add(that.host, that.id, chart); + }) + .fail(function () { + NETDATA.error(404, that.chart_url); + error('chart not found on url "' + that.chart_url + '"'); + }) + .always(function () { + if (typeof callback === 'function') { + return callback(); + } + }); + } + }; + + // ============================================================================================================ + // INITIALIZATION + + initDOM(); + init('fast'); +}; + +NETDATA.resetAllCharts = function (state) { + // first clear the global selection sync + // to make sure no chart is in selected state + NETDATA.globalSelectionSync.stop(); + + // there are 2 possibilities here + // a. state is the global Pan and Zoom master + // b. state is not the global Pan and Zoom master + + // let master = true; + // if (NETDATA.globalPanAndZoom.isMaster(state) === false) { + // master = false; + // } + const master = NETDATA.globalPanAndZoom.isMaster(state); + + // clear the global Pan and Zoom + // this will also refresh the master + // and unblock any charts currently mirroring the master + NETDATA.globalPanAndZoom.clearMaster(); + + // if we were not the master, reset our status too + // this is required because most probably the mouse + // is over this chart, blocking it from auto-refreshing + if (master === false && (state.paused || state.selected)) { + state.resetChart(); + } +}; + +// get or create a chart state, given a DOM element +NETDATA.chartState = function (element) { + let self = $(element); + + let state = self.data('netdata-state-object') || null; + if (state === null) { + state = new chartState(element); + self.data('netdata-state-object', state); + } + return state; +}; + +// ---------------------------------------------------------------------------------------------------------------- +// Library functions + +// Load a script without jquery +// This is used to load jquery - after it is loaded, we use jquery +NETDATA._loadjQuery = function (callback) { + if (typeof jQuery === 'undefined') { + if (NETDATA.options.debug.main_loop) { + console.log('loading ' + NETDATA.jQuery); + } + + let script = document.createElement('script'); + script.type = 'text/javascript'; + script.async = true; + script.src = NETDATA.jQuery; + + // script.onabort = onError; + script.onerror = function () { + NETDATA.error(101, NETDATA.jQuery); + }; + if (typeof callback === "function") { + script.onload = function () { + $ = jQuery; + return callback(); + }; + } + + let s = document.getElementsByTagName('script')[0]; + s.parentNode.insertBefore(script, s); + } + else if (typeof callback === "function") { + $ = jQuery; + return callback(); + } +}; + +NETDATA._loadCSS = function (filename) { + // don't use jQuery here + // styles are loaded before jQuery + // to eliminate showing an unstyled page to the user + + let fileref = document.createElement("link"); + fileref.setAttribute("rel", "stylesheet"); + fileref.setAttribute("type", "text/css"); + fileref.setAttribute("href", filename); + + if (typeof fileref !== 'undefined') { + document.getElementsByTagName("head")[0].appendChild(fileref); + } +}; + +// user function to signal us the DOM has been +// updated. +NETDATA.updatedDom = function () { + NETDATA.options.updated_dom = true; +}; + +NETDATA.ready = function (callback) { + NETDATA.options.pauseCallback = callback; +}; + +NETDATA.pause = function (callback) { + if (typeof callback === 'function') { + if (NETDATA.options.pause) { + return callback(); + } else { + NETDATA.options.pauseCallback = callback; + } + } +}; + +NETDATA.unpause = function () { + NETDATA.options.pauseCallback = null; + NETDATA.options.updated_dom = true; + NETDATA.options.pause = false; +}; + +// ---------------------------------------------------------------------------------------------------------------- + +// this is purely sequential charts refresher +// it is meant to be autonomous +NETDATA.chartRefresherNoParallel = function (index, callback) { + let targets = NETDATA.intersectionObserver.targets(); + + if (NETDATA.options.debug.main_loop) { + console.log('NETDATA.chartRefresherNoParallel(' + index + ')'); + } + + if (NETDATA.options.updated_dom) { + // the dom has been updated + // get the dom parts again + NETDATA.parseDom(callback); + return; + } + if (index >= targets.length) { + if (NETDATA.options.debug.main_loop) { + console.log('waiting to restart main loop...'); + } + + NETDATA.options.auto_refresher_fast_weight = 0; + callback(); + } else { + let state = targets[index]; + + if (NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) { + if (NETDATA.options.debug.main_loop) { + console.log('fast rendering...'); + } + + if (state.isVisible()) { + NETDATA.timeout.set(function () { + state.autoRefresh(function () { + NETDATA.chartRefresherNoParallel(++index, callback); + }); + }, 0); + } else { + NETDATA.chartRefresherNoParallel(++index, callback); + } + } else { + if (NETDATA.options.debug.main_loop) { + console.log('waiting for next refresh...'); + } + NETDATA.options.auto_refresher_fast_weight = 0; + + NETDATA.timeout.set(function () { + state.autoRefresh(function () { + NETDATA.chartRefresherNoParallel(++index, callback); + }); + }, NETDATA.options.current.idle_between_charts); + } + } +}; + +NETDATA.chartRefresherWaitTime = function () { + return NETDATA.options.current.idle_parallel_loops; +}; + +// the default refresher +NETDATA.chartRefresherLastRun = 0; +NETDATA.chartRefresherRunsAfterParseDom = 0; +NETDATA.chartRefresherTimeoutId = undefined; + +NETDATA.chartRefresherReschedule = function () { + if (NETDATA.options.current.async_on_scroll) { + if (NETDATA.chartRefresherTimeoutId) { + NETDATA.timeout.clear(NETDATA.chartRefresherTimeoutId); + } + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(NETDATA.chartRefresher, NETDATA.options.current.onscroll_worker_duration_threshold); + //console.log('chartRefresherReschedule()'); + } +}; + +NETDATA.chartRefresher = function () { + // console.log('chartRefresher() begin ' + (Date.now() - NETDATA.chartRefresherLastRun).toString() + ' ms since last run'); + + if (NETDATA.options.page_is_visible === false + && NETDATA.options.current.stop_updates_when_focus_is_lost + && NETDATA.chartRefresherLastRun > NETDATA.options.last_page_resize + && NETDATA.chartRefresherLastRun > NETDATA.options.last_page_scroll + && NETDATA.chartRefresherRunsAfterParseDom > 10 + ) { + setTimeout( + NETDATA.chartRefresher, + NETDATA.options.current.idle_lost_focus + ); + + // console.log('chartRefresher() page without focus, will run in ' + NETDATA.options.current.idle_lost_focus.toString() + ' ms, ' + NETDATA.chartRefresherRunsAfterParseDom.toString()); + return; + } + NETDATA.chartRefresherRunsAfterParseDom++; + + let now = Date.now(); + NETDATA.chartRefresherLastRun = now; + + if (now < NETDATA.options.on_scroll_refresher_stop_until) { + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set( + NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime() + ); + + // console.log('chartRefresher() end1 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms'); + return; + } + + if (now < NETDATA.options.auto_refresher_stop_until) { + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set( + NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime() + ); + + // console.log('chartRefresher() end2 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms'); + return; + } + + if (NETDATA.options.pause) { + // console.log('auto-refresher is paused'); + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set( + NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime() + ); + + // console.log('chartRefresher() end3 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms'); + return; + } + + if (typeof NETDATA.options.pauseCallback === 'function') { + // console.log('auto-refresher is calling pauseCallback'); + + NETDATA.options.pause = true; + NETDATA.options.pauseCallback(); + NETDATA.chartRefresher(); + + // console.log('chartRefresher() end4 (nested)'); + return; + } + + if (!NETDATA.options.current.parallel_refresher) { + // console.log('auto-refresher is calling chartRefresherNoParallel(0)'); + NETDATA.chartRefresherNoParallel(0, function () { + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set( + NETDATA.chartRefresher, + NETDATA.options.current.idle_between_loops + ); + }); + // console.log('chartRefresher() end5 (no parallel, nested)'); + return; + } + + if (NETDATA.options.updated_dom) { + // the dom has been updated + // get the dom parts again + // console.log('auto-refresher is calling parseDom()'); + NETDATA.parseDom(NETDATA.chartRefresher); + // console.log('chartRefresher() end6 (parseDom)'); + return; + } + + if (!NETDATA.globalSelectionSync.active()) { + let parallel = []; + let targets = NETDATA.intersectionObserver.targets(); + let len = targets.length; + let state; + while (len--) { + state = targets[len]; + if (state.running || state.isVisible() === false) { + continue; + } + + if (!state.library.initialized) { + if (state.library.enabled) { + state.library.initialize(NETDATA.chartRefresher); + //console.log('chartRefresher() end6 (library init)'); + return; + } + else { + state.error('chart library "' + state.library_name + '" is not enabled.'); + } + } + + if (NETDATA.scrollUp) { + parallel.unshift(state); + } else { + parallel.push(state); + } + } + + len = parallel.length; + while (len--) { + state = parallel[len]; + // console.log('auto-refresher executing in parallel for ' + parallel.length.toString() + ' charts'); + // this will execute the jobs in parallel + + if (!state.running) { + NETDATA.timeout.set(state.autoRefresh, 0); + } + } + //else { + // console.log('auto-refresher nothing to do'); + //} + } + + // run the next refresh iteration + NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set( + NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime() + ); + + //console.log('chartRefresher() completed in ' + (Date.now() - now).toString() + ' ms'); +}; + +NETDATA.parseDom = function (callback) { + //console.log('parseDom()'); + + NETDATA.options.last_page_scroll = Date.now(); + NETDATA.options.updated_dom = false; + NETDATA.chartRefresherRunsAfterParseDom = 0; + + let targets = $('div[data-netdata]'); //.filter(':visible'); + + if (NETDATA.options.debug.main_loop) { + console.log('DOM updated - there are ' + targets.length + ' charts on page.'); + } + + NETDATA.intersectionObserver.globalReset(); + NETDATA.options.targets = []; + let len = targets.length; + while (len--) { + // the initialization will take care of sizing + // and the "loading..." message + let state = NETDATA.chartState(targets[len]); + NETDATA.options.targets.push(state); + NETDATA.intersectionObserver.observe(state); + } + + if (NETDATA.globalChartUnderlay.isActive()) { + NETDATA.globalChartUnderlay.setup(); + } else { + NETDATA.globalChartUnderlay.clear(); + } + + if (typeof callback === 'function') { + return callback(); + } +}; + +// this is the main function - where everything starts +NETDATA.started = false; +NETDATA.start = function () { + // this should be called only once + + if (NETDATA.started) { + console.log('netdata is already started'); + return; + } + + NETDATA.started = true; + NETDATA.options.page_is_visible = true; + + $(window).blur(function () { + if (NETDATA.options.current.stop_updates_when_focus_is_lost) { + NETDATA.options.page_is_visible = false; + if (NETDATA.options.debug.focus) { + console.log('Lost Focus!'); + } + } + }); + + $(window).focus(function () { + if (NETDATA.options.current.stop_updates_when_focus_is_lost) { + NETDATA.options.page_is_visible = true; + if (NETDATA.options.debug.focus) { + console.log('Focus restored!'); + } + } + }); + + if (typeof document.hasFocus === 'function' && !document.hasFocus()) { + if (NETDATA.options.current.stop_updates_when_focus_is_lost) { + NETDATA.options.page_is_visible = false; + if (NETDATA.options.debug.focus) { + console.log('Document has no focus!'); + } + } + } + + // bootstrap tab switching + $('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll); + + // bootstrap modal switching + let $modal = $('.modal'); + $modal.on('hidden.bs.modal', NETDATA.onscroll); + $modal.on('shown.bs.modal', NETDATA.onscroll); + + // bootstrap collapse switching + let $collapse = $('.collapse'); + $collapse.on('hidden.bs.collapse', NETDATA.onscroll); + $collapse.on('shown.bs.collapse', NETDATA.onscroll); + + NETDATA.parseDom(NETDATA.chartRefresher); + + // Alarms initialization + setTimeout(NETDATA.alarms.init, 1000); + + // Registry initialization + setTimeout(NETDATA.registry.init, netdataRegistryAfterMs); + + if (typeof netdataCallback === 'function') { + netdataCallback(); + } +}; + +NETDATA.globalReset = function () { + NETDATA.intersectionObserver.globalReset(); + NETDATA.globalSelectionSync.globalReset(); + NETDATA.globalPanAndZoom.globalReset(); + NETDATA.chartRegistry.globalReset(); + NETDATA.commonMin.globalReset(); + NETDATA.commonMax.globalReset(); + NETDATA.commonColors.globalReset(); + NETDATA.unitsConversion.globalReset(); + NETDATA.options.targets = []; + NETDATA.parseDom(); + NETDATA.unpause(); +}; + +// Registry of netdata hosts + +NETDATA.alarms = { + onclick: null, // the callback to handle the click - it will be called with the alarm log entry + chart_div_offset: -50, // give that space above the chart when scrolling to it + chart_div_id_prefix: 'chart_', // the chart DIV IDs have this prefix (they should be NETDATA.name2id(chart.id)) + chart_div_animation_duration: 0,// the duration of the animation while scrolling to a chart + + ms_penalty: 0, // the time penalty of the next alarm + ms_between_notifications: 500, // firefox moves the alarms off-screen (above, outside the top of the screen) + // if alarms are shown faster than: one per 500ms + + update_every: 10000, // the time in ms between alarm checks + + notifications: false, // when true, the browser supports notifications (may not be granted though) + last_notification_id: 0, // the id of the last alarm_log we have raised an alarm for + first_notification_id: 0, // the id of the first alarm_log entry for this session + // this is used to prevent CLEAR notifications for past events + // notifications_shown: [], + + server: null, // the server to connect to for fetching alarms + current: null, // the list of raised alarms - updated in the background + + // a callback function to call every time the list of raised alarms is refreshed + callback: (typeof netdataAlarmsActiveCallback === 'function') ? netdataAlarmsActiveCallback : null, + + // a callback function to call every time a notification is shown + // the return value is used to decide if the notification will be shown + notificationCallback: (typeof netdataAlarmsNotifCallback === 'function') ? netdataAlarmsNotifCallback : null, + + recipients: null, // the list (array) of recipients to show alarms for, or null + + recipientMatches: function (to_string, wanted_array) { + if (typeof wanted_array === 'undefined' || wanted_array === null || Array.isArray(wanted_array) === false) { + return true; + } + + let r = ' ' + to_string.toString() + ' '; + let len = wanted_array.length; + while (len--) { + if (r.indexOf(' ' + wanted_array[len] + ' ') >= 0) { + return true; + } + } + + return false; + }, + + activeForRecipients: function () { + let active = {}; + let data = NETDATA.alarms.current; + + if (typeof data === 'undefined' || data === null) { + return active; + } + + for (let x in data.alarms) { + if (!data.alarms.hasOwnProperty(x)) { + continue; + } + + let alarm = data.alarms[x]; + if ((alarm.status === 'WARNING' || alarm.status === 'CRITICAL') && NETDATA.alarms.recipientMatches(alarm.recipient, NETDATA.alarms.recipients)) { + active[x] = alarm; + } + } + + return active; + }, + + notify: function (entry) { + // console.log('alarm ' + entry.unique_id); + + if (entry.updated) { + // console.log('alarm ' + entry.unique_id + ' has been updated by another alarm'); + return; + } + + let value_string = entry.value_string; + + if (NETDATA.alarms.current !== null) { + // get the current value_string + let t = NETDATA.alarms.current.alarms[entry.chart + '.' + entry.name]; + if (typeof t !== 'undefined' && entry.status === t.status && typeof t.value_string !== 'undefined') { + value_string = t.value_string; + } + } + + let name = entry.name.replace(/_/g, ' '); + let status = entry.status.toLowerCase(); + let title = name + ' = ' + value_string.toString(); + let tag = entry.alarm_id; + let icon = 'images/banner-icon-144x144.png'; + let interaction = false; + let data = entry; + let show = true; + + // console.log('alarm ' + entry.unique_id + ' ' + entry.chart + '.' + entry.name + ' is ' + entry.status); + + switch (entry.status) { + case 'REMOVED': + show = false; + break; + + case 'UNDEFINED': + return; + + case 'UNINITIALIZED': + return; + + case 'CLEAR': + if (entry.unique_id < NETDATA.alarms.first_notification_id) { + // console.log('alarm ' + entry.unique_id + ' is not current'); + return; + } + if (entry.old_status === 'UNINITIALIZED' || entry.old_status === 'UNDEFINED') { + // console.log('alarm' + entry.unique_id + ' switch to CLEAR from ' + entry.old_status); + return; + } + if (entry.no_clear_notification) { + // console.log('alarm' + entry.unique_id + ' is CLEAR but has no_clear_notification flag'); + return; + } + title = name + ' back to normal (' + value_string.toString() + ')'; + icon = 'images/check-mark-2-128-green.png'; + interaction = false; + break; + + case 'WARNING': + if (entry.old_status === 'CRITICAL') { + status = 'demoted to ' + entry.status.toLowerCase(); + } + + icon = 'images/alert-128-orange.png'; + interaction = false; + break; + + case 'CRITICAL': + if (entry.old_status === 'WARNING') { + status = 'escalated to ' + entry.status.toLowerCase(); + } + + icon = 'images/alert-128-red.png'; + interaction = true; + break; + + default: + console.log('invalid alarm status ' + entry.status); + return; + } + + // filter recipients + if (show) { + show = NETDATA.alarms.recipientMatches(entry.recipient, NETDATA.alarms.recipients); + } + + /* + // cleanup old notifications with the same alarm_id as this one + // it does not seem to work on any web browser - so notifications cannot be removed + + let len = NETDATA.alarms.notifications_shown.length; + while (len--) { + let n = NETDATA.alarms.notifications_shown[len]; + if (n.data.alarm_id === entry.alarm_id) { + console.log('removing old alarm ' + n.data.unique_id); + + // close the notification + n.close.bind(n); + + // remove it from the array + NETDATA.alarms.notifications_shown.splice(len, 1); + len = NETDATA.alarms.notifications_shown.length; + } + } + */ + + if (show) { + if (typeof NETDATA.alarms.notificationCallback === 'function') { + show = NETDATA.alarms.notificationCallback(entry); + } + + if (show) { + setTimeout(function () { + // show this notification + // console.log('new notification: ' + title); + let n = new Notification(title, { + body: entry.hostname + ' - ' + entry.chart + ' (' + entry.family + ') - ' + status + ': ' + entry.info, + tag: tag, + requireInteraction: interaction, + icon: NETDATA.serverStatic + icon, + data: data + }); + + n.onclick = function (event) { + event.preventDefault(); + NETDATA.alarms.onclick(event.target.data); + }; + + // console.log(n); + // NETDATA.alarms.notifications_shown.push(n); + // console.log(entry); + }, NETDATA.alarms.ms_penalty); + + NETDATA.alarms.ms_penalty += NETDATA.alarms.ms_between_notifications; + } + } + }, + + scrollToChart: function (chart_id) { + if (typeof chart_id === 'string') { + let offset = $('#' + NETDATA.alarms.chart_div_id_prefix + NETDATA.name2id(chart_id)).offset(); + if (typeof offset !== 'undefined') { + $('html, body').animate({scrollTop: offset.top + NETDATA.alarms.chart_div_offset}, NETDATA.alarms.chart_div_animation_duration); + return true; + } + } + return false; + }, + + scrollToAlarm: function (alarm) { + if (typeof alarm === 'object') { + let ret = NETDATA.alarms.scrollToChart(alarm.chart); + + if (ret && NETDATA.options.page_is_visible === false) { + window.focus(); + } + // alert('netdata dashboard will now scroll to chart: ' + alarm.chart + '\n\nThis alarm opened to bring the browser window in front of the screen. Click on the dashboard to prevent it from appearing again.'); + } + + }, + + notifyAll: function () { + // console.log('FETCHING ALARM LOG'); + NETDATA.alarms.get_log(NETDATA.alarms.last_notification_id, function (data) { + // console.log('ALARM LOG FETCHED'); + + if (data === null || typeof data !== 'object') { + console.log('invalid alarms log response'); + return; + } + + if (data.length === 0) { + console.log('received empty alarm log'); + return; + } + + // console.log('received alarm log of ' + data.length + ' entries, from ' + data[data.length - 1].unique_id.toString() + ' to ' + data[0].unique_id.toString()); + + data.sort(function (a, b) { + if (a.unique_id > b.unique_id) { + return -1; + } + if (a.unique_id < b.unique_id) { + return 1; + } + return 0; + }); + + NETDATA.alarms.ms_penalty = 0; + + let len = data.length; + while (len--) { + if (data[len].unique_id > NETDATA.alarms.last_notification_id) { + NETDATA.alarms.notify(data[len]); + } + //else + // console.log('ignoring alarm (older) with id ' + data[len].unique_id.toString()); + } + + NETDATA.alarms.last_notification_id = data[0].unique_id; + + if (typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember) { + NETDATA.localStorageSet('last_notification_id', NETDATA.alarms.last_notification_id, null); + } + // console.log('last notification id = ' + NETDATA.alarms.last_notification_id); + }) + }, + + check_notifications: function () { + // returns true if we should fire 1+ notifications + + if (NETDATA.alarms.notifications !== true) { + // console.log('web notifications are not available'); + return false; + } + + if (Notification.permission !== 'granted') { + // console.log('web notifications are not granted'); + return false; + } + + if (typeof NETDATA.alarms.current !== 'undefined' && typeof NETDATA.alarms.current.alarms === 'object') { + // console.log('can do alarms: old id = ' + NETDATA.alarms.last_notification_id + ' new id = ' + NETDATA.alarms.current.latest_alarm_log_unique_id); + + if (NETDATA.alarms.current.latest_alarm_log_unique_id > NETDATA.alarms.last_notification_id) { + // console.log('new alarms detected'); + return true; + } + //else console.log('no new alarms'); + } + // else console.log('cannot process alarms'); + + return false; + }, + + get: function (what, callback) { + $.ajax({ + url: NETDATA.alarms.server + '/api/v1/alarms?' + what.toString(), + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkOptional('/api/v1/alarms', data /*, '.*\.(calc|calc_parsed|warn|warn_parsed|crit|crit_parsed)$' */); + + if (NETDATA.alarms.first_notification_id === 0 && typeof data.latest_alarm_log_unique_id === 'number') { + NETDATA.alarms.first_notification_id = data.latest_alarm_log_unique_id; + } + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(415, NETDATA.alarms.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + update_forever: function () { + if (netdataShowAlarms !== true || netdataSnapshotData !== null) { + return; + } + + NETDATA.alarms.get('active', function (data) { + if (data !== null) { + NETDATA.alarms.current = data; + + if (NETDATA.alarms.check_notifications()) { + NETDATA.alarms.notifyAll(); + } + + if (typeof NETDATA.alarms.callback === 'function') { + NETDATA.alarms.callback(data); + } + + // Health monitoring is disabled on this netdata + if (data.status === false) { + return; + } + } + + setTimeout(NETDATA.alarms.update_forever, NETDATA.alarms.update_every); + }); + }, + + get_log: function (last_id, callback) { + // console.log('fetching all log after ' + last_id.toString()); + $.ajax({ + url: NETDATA.alarms.server + '/api/v1/alarm_log?after=' + last_id.toString(), + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkOptional('/api/v1/alarm_log', data); + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(416, NETDATA.alarms.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + init: function () { + NETDATA.alarms.server = NETDATA.fixHost(NETDATA.serverDefault); + + if (typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember) { + NETDATA.alarms.last_notification_id = + NETDATA.localStorageGet('last_notification_id', NETDATA.alarms.last_notification_id, null); + } + + if (NETDATA.alarms.onclick === null) { + NETDATA.alarms.onclick = NETDATA.alarms.scrollToAlarm; + } + + if (typeof netdataAlarmsRecipients !== 'undefined' && Array.isArray(netdataAlarmsRecipients)) { + NETDATA.alarms.recipients = netdataAlarmsRecipients; + } + + if (netdataShowAlarms) { + NETDATA.alarms.update_forever(); + + if ('Notification' in window) { + // console.log('notifications available'); + NETDATA.alarms.notifications = true; + + if (Notification.permission === 'default') { + Notification.requestPermission(); + } + } + } + } +}; + +// Registry of netdata hosts + +NETDATA.registry = { + server: null, // the netdata registry server + isCloudEnabled: false,// is netdata.cloud functionality enabled? + cloudBaseURL: null, // the netdata cloud base url + person_guid: null, // the unique ID of this browser / user + machine_guid: null, // the unique ID the netdata server that served dashboard.js + hostname: 'unknown', // the hostname of the netdata server that served dashboard.js + machines: null, // the user's other URLs + machines_array: null, // the user's other URLs in an array + person_urls: null, + anonymous_statistics_checked: false, + MASKED_DATA: "***", + + isUsingGlobalRegistry: function() { + return NETDATA.registry.server == "https://registry.my-netdata.io"; + }, + + isRegistryEnabled: function() { + return !(NETDATA.registry.isUsingGlobalRegistry() || isSignedIn()) + }, + + parsePersonUrls: function (person_urls) { + NETDATA.registry.person_urls = person_urls; + + if (person_urls) { + NETDATA.registry.machines = {}; + NETDATA.registry.machines_array = []; + + let apu = person_urls; + let i = apu.length; + while (i--) { + if (typeof NETDATA.registry.machines[apu[i][0]] === 'undefined') { + // console.log('adding: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString()); + + let obj = { + guid: apu[i][0], + url: apu[i][1], + last_t: apu[i][2], + accesses: apu[i][3], + name: apu[i][4], + alternate_urls: [] + }; + obj.alternate_urls.push(apu[i][1]); + + NETDATA.registry.machines[apu[i][0]] = obj; + NETDATA.registry.machines_array.push(obj); + } else { + // console.log('appending: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString()); + + let pu = NETDATA.registry.machines[apu[i][0]]; + if (pu.last_t < apu[i][2]) { + pu.url = apu[i][1]; + pu.last_t = apu[i][2]; + pu.name = apu[i][4]; + } + pu.accesses += apu[i][3]; + pu.alternate_urls.push(apu[i][1]); + } + } + } + + if (typeof netdataRegistryCallback === 'function') { + netdataRegistryCallback(NETDATA.registry.machines_array); + } + }, + + init: function () { + if (netdataRegistry !== true) { + return; + } + + NETDATA.registry.hello(NETDATA.serverDefault, function (data) { + if (data) { + NETDATA.registry.server = data.registry; + if (data.cloud_base_url !== "") { + NETDATA.registry.isCloudEnabled = true; + NETDATA.registry.cloudBaseURL = data.cloud_base_url; + } else { + NETDATA.registry.isCloudEnabled = false; + NETDATA.registry.cloudBaseURL = ""; + } + NETDATA.registry.machine_guid = data.machine_guid; + NETDATA.registry.hostname = data.hostname; + if (!NETDATA.registry.anonymous_statistics_checked) { + NETDATA.registry.anonymous_statistics_checked=true; + if (data.anonymous_statistics) { + (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': + new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], + j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=false;j.src= + 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); + })(window,document,'script','dataLayer','GTM-N6CBMJD'); + dataLayer.push({"anonymous_statistics" : "true", "machine_guid" : data.machine_guid}); + } + } + NETDATA.registry.access(2, function (person_urls) { + NETDATA.registry.parsePersonUrls(person_urls); + }); + } + }); + }, + + hello: function (host, callback) { + host = NETDATA.fixHost(host); + + // send HELLO to a netdata server: + // 1. verifies the server is reachable + // 2. responds with the registry URL, the machine GUID of this netdata server and its hostname + $.ajax({ + url: host + '/api/v1/registry?action=hello', + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkOptional('/api/v1/registry?action=hello', data); + + if (typeof data.status !== 'string' || data.status !== 'ok') { + NETDATA.error(408, host + ' response: ' + JSON.stringify(data)); + data = null; + } + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(407, host); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + access: function (max_redirects, callback) { + let name = NETDATA.registry.MASKED_DATA; + let url = NETDATA.registry.MASKED_DATA; + + if (!NETDATA.registry.isUsingGlobalRegistry()) { + // If the user is using a private registry keep sending identifiable + // data. + name = NETDATA.registry.hostname; + url = NETDATA.serverDefault; + } + + console.log("ACCESS", name, url); + + // send ACCESS to a netdata registry: + // 1. it lets it know we are accessing a netdata server (its machine GUID and its URL) + // 2. it responds with a list of netdata servers we know + // the registry identifies us using a cookie it sets the first time we access it + // the registry may respond with a redirect URL to send us to another registry + $.ajax({ + url: NETDATA.registry.server + '/api/v1/registry?action=access&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(name) + '&url=' + encodeURIComponent(url), // + '&visible_url=' + encodeURIComponent(document.location), + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkAlways('/api/v1/registry?action=access', data); + + let redirect = null; + if (typeof data.registry === 'string') { + redirect = data.registry; + } + + if (typeof data.status !== 'string' || data.status !== 'ok') { + NETDATA.error(409, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data)); + data = null; + } + + if (data === null) { + if (redirect !== null && max_redirects > 0) { + NETDATA.registry.server = redirect; + NETDATA.registry.access(max_redirects - 1, callback); + } + else { + if (typeof callback === 'function') { + return callback(null); + } + } + } else { + if (typeof data.person_guid === 'string') { + NETDATA.registry.person_guid = data.person_guid; + } + + if (typeof callback === 'function') { + const urls = data.urls.filter((u) => u[1] !== NETDATA.registry.MASKED_DATA); + return callback(urls); + } + } + }) + .fail(function () { + NETDATA.error(410, NETDATA.registry.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + delete: function (delete_url, callback) { + // send DELETE to a netdata registry: + $.ajax({ + url: NETDATA.registry.server + '/api/v1/registry?action=delete&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&delete_url=' + encodeURIComponent(delete_url), + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkAlways('/api/v1/registry?action=delete', data); + + if (typeof data.status !== 'string' || data.status !== 'ok') { + NETDATA.error(411, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data)); + data = null; + } + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(412, NETDATA.registry.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + search: function (machine_guid, callback) { + // SEARCH for the URLs of a machine: + $.ajax({ + url: NETDATA.registry.server + '/api/v1/registry?action=search&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&for=' + machine_guid, + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkAlways('/api/v1/registry?action=search', data); + + if (typeof data.status !== 'string' || data.status !== 'ok') { + NETDATA.error(417, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data)); + data = null; + } + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(418, NETDATA.registry.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + }, + + switch: function (new_person_guid, callback) { + // impersonate + $.ajax({ + url: NETDATA.registry.server + '/api/v1/registry?action=switch&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&to=' + new_person_guid, + async: true, + cache: false, + headers: { + 'Cache-Control': 'no-cache, no-store', + 'Pragma': 'no-cache' + }, + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function (data) { + data = NETDATA.xss.checkAlways('/api/v1/registry?action=switch', data); + + if (typeof data.status !== 'string' || data.status !== 'ok') { + NETDATA.error(413, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data)); + data = null; + } + + if (typeof callback === 'function') { + return callback(data); + } + }) + .fail(function () { + NETDATA.error(414, NETDATA.registry.server); + + if (typeof callback === 'function') { + return callback(null); + } + }); + } +}; + +// Load required JS libraries and CSS + +NETDATA.requiredJs = [ + { + url: NETDATA.serverStatic + 'lib/bootstrap-3.3.7.min.js', + async: false, + isAlreadyLoaded: function () { + // check if bootstrap is loaded + if (typeof $().emulateTransitionEnd === 'function') { + return true; + } else { + return typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap; + } + } + }, + { + url: NETDATA.serverStatic + 'lib/fontawesome-all-5.0.1.min.js', + async: true, + isAlreadyLoaded: function () { + return typeof netdataNoFontAwesome !== 'undefined' && netdataNoFontAwesome; + } + }, + { + url: NETDATA.serverStatic + 'lib/perfect-scrollbar-0.6.15.min.js', + isAlreadyLoaded: function () { + return false; + } + } +]; + +NETDATA.requiredCSS = [ + { + url: NETDATA.themes.current.bootstrap_css, + isAlreadyLoaded: function () { + return typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap; + } + }, + { + url: NETDATA.themes.current.dashboard_css, + isAlreadyLoaded: function () { + return false; + } + } +]; + +NETDATA.loadedRequiredJs = 0; +NETDATA.loadRequiredJs = function (index, callback) { + if (index >= NETDATA.requiredJs.length) { + if (typeof callback === 'function') { + return callback(); + } + return; + } + + if (NETDATA.requiredJs[index].isAlreadyLoaded()) { + NETDATA.loadedRequiredJs++; + NETDATA.loadRequiredJs(++index, callback); + return; + } + + if (NETDATA.options.debug.main_loop) { + console.log('loading ' + NETDATA.requiredJs[index].url); + } + + let async = true; + if (typeof NETDATA.requiredJs[index].async !== 'undefined' && NETDATA.requiredJs[index].async === false) { + async = false; + } + + $.ajax({ + url: NETDATA.requiredJs[index].url, + cache: true, + dataType: "script", + xhrFields: {withCredentials: true} // required for the cookie + }) + .done(function () { + if (NETDATA.options.debug.main_loop) { + console.log('loaded ' + NETDATA.requiredJs[index].url); + } + }) + .fail(function () { + alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url); + }) + .always(function () { + NETDATA.loadedRequiredJs++; + + // if (async === false) + if (!async) { + NETDATA.loadRequiredJs(++index, callback); + } + }); + + // if (async === true) + if (async) { + NETDATA.loadRequiredJs(++index, callback); + } +}; + +NETDATA.loadRequiredCSS = function (index) { + if (index >= NETDATA.requiredCSS.length) { + return; + } + + if (NETDATA.requiredCSS[index].isAlreadyLoaded()) { + NETDATA.loadRequiredCSS(++index); + return; + } + + if (NETDATA.options.debug.main_loop) { + console.log('loading ' + NETDATA.requiredCSS[index].url); + } + + NETDATA._loadCSS(NETDATA.requiredCSS[index].url); + NETDATA.loadRequiredCSS(++index); +}; + +// Boot it! + +if (typeof netdataPrepCallback === 'function') { + netdataPrepCallback(); +} + +NETDATA.errorReset(); +NETDATA.loadRequiredCSS(0); + +NETDATA._loadjQuery(function () { + NETDATA.loadRequiredJs(0, function () { + if (typeof $().emulateTransitionEnd !== 'function') { + // bootstrap is not available + NETDATA.options.current.show_help = false; + } + + if (typeof netdataDontStart === 'undefined' || !netdataDontStart) { + if (NETDATA.options.debug.main_loop) { + console.log('starting chart refresh thread'); + } + + NETDATA.start(); + } + }); +}); +})(window, document, (typeof jQuery === 'function')?jQuery:undefined); |