last_resized: new Date().getTime(), // the timestamp of the last resize request
- crossDomainAjax: false, // enable this to request crossDomain AJAX
-
last_page_scroll: 0, // the timestamp the last time the page was scrolled
// the current profile
}
};
+ NETDATA.statistics = {
+ refreshes_total: 0,
+ refreshes_active: 0,
+ refreshes_active_max: 0
+ };
+
// ----------------------------------------------------------------------------------------------------------------
// local storage options
$.ajax({
url: host + '/api/v1/charts',
- crossDomain: NETDATA.options.crossDomainAjax,
async: true,
cache: false
})
this.units = self.data('units') || null; // the units of the chart dimensions
this.append_options = self.data('append-options') || null; // the units of the chart dimensions
+ this.running = false; // boolean - true when the chart is being refreshed now
this.validated = false; // boolean - has the chart been validated?
this.enabled = true; // boolean - is the chart enabled for refresh?
this.paused = false; // boolean - is the chart paused for any reason?
var lost = Math.max(h * 0.2, 5);
h -= lost;
- // center the text, verically
+ // center the text, vertically
var paddingTop = (lost - 5) / 2;
// but check the width too
if(isHidden() === true) return;
if(that.chart_created === true) {
- // we should destroy it
if(NETDATA.options.current.destroy_on_hide === true) {
+ // we should destroy it
init();
}
else {
that.element_chart.style.display = 'none';
if(that.element_legend !== null) that.element_legend.style.display = 'none';
that.tm.last_hidden = new Date().getTime();
+
+ // 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
+ // that.data = null;
}
}
if(this.debug === true)
this.log('updateChartWithData() called.');
- this._updating = false;
-
// this may force the chart to be re-created
resizeChart();
if(NETDATA.globalPanAndZoom.isActive())
this.tm.last_autorefreshed = 0;
else {
- if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes)
- this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * this.data_update_every;
+ if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes === true)
+ this.tm.last_autorefreshed = now - (now % this.data_update_every);
else
this.tm.last_autorefreshed = now;
}
if(this.debug === true)
this.log('updating from ' + this.data_url);
+ 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;
+
this._updating = true;
this.xhr = $.ajax( {
url: this.data_url,
- crossDomain: NETDATA.options.crossDomainAjax,
cache: false,
async: true
})
error('data download failed for url: ' + that.data_url);
})
.always(function() {
+ NETDATA.statistics.refreshes_active--;
that._updating = false;
if(typeof callback === 'function') callback();
});
}
};
- this.isAutoRefreshed = function() {
+ this.isAutoRefreshable = function() {
return (this.current.autorefresh);
};
this.canBeAutoRefreshed = function() {
var now = new Date().getTime();
+ if(this.running === true) {
+ if(this.debug === true)
+ this.log('I am already running');
+
+ return false;
+ }
+
if(this.enabled === false) {
if(this.debug === true)
this.log('I am not enabled');
return true;
}
- if(this.isAutoRefreshed() === true) {
+ if(this.isAutoRefreshable() === true) {
// allow the first update, even if the page is not visible
if(this.updates_counter && this.updates_since_last_unhide && NETDATA.options.page_is_visible === false) {
if(NETDATA.options.debug.focus === true || this.debug === true)
};
this.autoRefresh = function(callback) {
- if(this.canBeAutoRefreshed() === true) {
- this.updateChart(callback);
+ if(this.canBeAutoRefreshed() === true && this.running === false) {
+ var state = this;
+
+ state.running = true;
+ state.updateChart(function() {
+ state.running = false;
+
+ if(typeof callback !== 'undefined')
+ callback();
+ });
}
else {
if(typeof callback !== 'undefined')
$.ajax( {
url: this.host + this.chart_url,
- crossDomain: NETDATA.options.crossDomainAjax,
cache: false,
async: true
})
var parallel = new Array();
var targets = NETDATA.options.targets;
var len = targets.length;
+ var state;
while(len--) {
- if(targets[len].isVisible() === false)
+ state = targets[len];
+ if(state.isVisible() === false || state.running === true)
continue;
- var state = targets[len];
if(state.library.initialized === false) {
if(state.library.enabled === true) {
state.library.initialize(NETDATA.chartRefresher);
}
if(parallel.length > 0) {
- var parallel_jobs = parallel.length;
-
// this will execute the jobs in parallel
$(parallel).each(function() {
- this.autoRefresh(function() {
- parallel_jobs--;
-
- if(parallel_jobs === 0) {
- setTimeout(NETDATA.chartRefresher,
- NETDATA.chartRefresherWaitTime());
- }
- });
+ this.autoRefresh();
})
}
- else {
- setTimeout(NETDATA.chartRefresher,
- NETDATA.chartRefresherWaitTime());
- }
+
+ // run the next refresh iteration
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
};
NETDATA.parseDom = function(callback) {
state.easyPieChartEvent.timer = null;
}
- if(state.isAutoRefreshed() === true && state.data !== null) {
+ if(state.isAutoRefreshable() === true && state.data !== null) {
NETDATA.easypiechartChartUpdate(state, state.data);
}
else {
NETDATA.easypiechartChartUpdate = function(state, data) {
var value, max, pcent;
- if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
value = null;
max = 0;
pcent = 0;
state.gaugeEvent.timer = null;
}
- if(state.isAutoRefreshed() === true && state.data !== null) {
+ if(state.isAutoRefreshable() === true && state.data !== null) {
NETDATA.gaugeChartUpdate(state, state.data);
}
else {
NETDATA.gaugeChartUpdate = function(state, data) {
var value, min, max;
- if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
value = 0;
min = 0;
max = 1;
projects / netdata.git / commitdiff