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dashboard.js
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dashboard.js
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// SPDX-License-Identifier: GPL-3.0+
// ----------------------------------------------------------------------------
// You can set the following variables before loading this script:
/*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
var NETDATA = window.NETDATA || {};
(function(window, document, $, undefined) {
// ------------------------------------------------------------------------
// 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;
};
}
NETDATA.name2id = function(s) {
return s
.replace(/ /g, '_')
.replace(/\(/g, '_')
.replace(/\)/g, '_')
.replace(/\./g, '_')
.replace(/\//g, '_');
};
// ----------------------------------------------------------------------------------------------------------------
// 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, '#27;');
},
object: function(name, obj, ignore_regex) {
if(typeof ignore_regex !== 'undefined' && ignore_regex.test(name) === true) {
// console.log('XSS: ignoring "' + name + '"');
return obj;
}
switch (typeof(obj)) {
case 'string':
var 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) === true) {
// console.log('checking array "' + name + '"');
var 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 === true) {
//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 === true) {
//console.log('XSS: checking data "' + name + '"...');
return this.object(name, obj, ignore_regex);
}
return obj;
}
};
// ----------------------------------------------------------------------------------------------------------------
// 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() {
var script = null;
if(typeof document.currentScript !== 'undefined') {
script = document.currentScript;
}
else {
var 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;
};
if(typeof netdataServer !== 'undefined')
NETDATA.serverDefault = netdataServer;
else {
var 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;
}
// 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';
NETDATA.themes = {
white: {
bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-3.3.7.css',
dashboard_css: NETDATA.serverStatic + 'dashboard.css?v20180210-1',
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?v20180210-1',
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' ];
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(var icon in NETDATA.icons) {
if(NETDATA.icons.hasOwnProperty(icon) && 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 = 1500;
if(typeof netdataRegistry === 'undefined') {
// backward compatibility
netdataRegistry = (typeof netdataNoRegistry !== 'undefined' && netdataNoRegistry === false);
}
if(netdataRegistry === false && typeof netdataRegistryCallback === 'function')
netdataRegistry = true;
// ----------------------------------------------------------------------------------------------------------------
// detect if this is probably a slow device
var isSlowDeviceResult = undefined;
var isSlowDevice = function() {
if(isSlowDeviceResult !== undefined)
return isSlowDeviceResult;
try {
var ua = navigator.userAgent.toLowerCase();
var iOS = /ipad|iphone|ipod/.test(ua) && !window.MSStream;
var android = /android/.test(ua) && !window.MSStream;
isSlowDeviceResult = (iOS === true || android === true);
}
catch (e) {
isSlowDeviceResult = false;
}
return isSlowDeviceResult;
};
// ----------------------------------------------------------------------------------------------------------------
// 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() === false), // enable parallel refresh of charts
concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts
destroy_on_hide: (isSlowDevice() === true), // 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() === false), // 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, // FIXME: 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
};
// ----------------------------------------------------------------------------------------------------------------
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() {
var 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 === true) {
// we have installed custom .step() / .clear() functions
// overwrite the .set() too
this.set = function(callback, delay) {
var that = this;
var start = Date.now(),
handle = new Object();
function loop() {
var current = Date.now(),
delta = current - start;
if(delta >= delay) {
callback.call();
}
else {
handle.value = that.step(loop);
}
}
handle.value = that.step(loop);
return handle;
};
}
}
};
NETDATA.timeout.init();
// ----------------------------------------------------------------------------------------------------------------
// 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') {
var 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) {
var 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() === true) {
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() === true) {
// 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) {
var keys = Object.keys(obj);
var len = keys.length;
while(len--) {
var 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) {
var 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() {
var keys = Object.keys(NETDATA.localStorage.default);
var len = keys.length;
while(len--) {
var i = keys[len];
var 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);
};
// ----------------------------------------------------------------------------------------------------------------
if(NETDATA.options.debug.main_loop === true)
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.abort_all_refreshes = function() {
var targets = NETDATA.options.targets;
var len = targets.length;
while (len--) {
if (targets[len].fetching_data === true) {
if (typeof targets[len].xhr !== 'undefined') {
targets[len].xhr.abort();
targets[len].running = false;
targets[len].fetching_data = false;
}
}
}
};
NETDATA.onscroll_start_delay = 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 === true) ? 1000 : 0);
};
NETDATA.onscroll_end_delay = function() {
NETDATA.options.on_scroll_refresher_stop_until =
Date.now()
+ ((NETDATA.options.current.async_on_scroll === true) ? NETDATA.options.current.onscroll_worker_duration_threshold : 0);
};
NETDATA.onscroll_updater_timeout_id = undefined;
NETDATA.onscroll_updater = function() {
NETDATA.globalSelectionSync.stop();
if(NETDATA.options.abort_ajax_on_scroll === true)
NETDATA.abort_all_refreshes();
// 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() === false) {
if (NETDATA.options.current.parallel_refresher === false) {
var targets = NETDATA.options.targets;
var len = targets.length;
while (len--)
if (targets[len].running === false)
targets[len].isVisible();
}
}
NETDATA.onscroll_end_delay();
};
NETDATA.scrollUp = false;
NETDATA.scrollY = window.scrollY;
NETDATA.onscroll = function() {
//console.log('onscroll() begin');
NETDATA.onscroll_start_delay();
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.onscroll_updater, 0);
//console.log('onscroll() end');
};
NETDATA.supportsPassiveEvents = function() {
if(NETDATA.options.passive_events === null) {
var supportsPassive = false;
try {
var 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;
// ----------------------------------------------------------------------------------------------------------------
// 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: "",