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// This is free software, licensed under the Apache License, Version 2.0
'use strict';
'require fs';
'require ui';
return L.view.extend({
renderTab: function(ifaces, style, title) {
var tab = E('div', {
'class': 'cbi-section',
'data-tab': style,
'data-tab-title': title
}, [
E('p', {}, E('em', { 'class': 'spinning' }, [ _('Loading graphs…') ]))
]);
ifaces.forEach(function(iface) {
tab.appendChild(E('p', {}, E('img', { 'data-iface': iface, 'style': 'display:none' })));
fs.exec_direct('/usr/bin/vnstati', [ '-'+style, '-i', iface, '-o', '-' ], 'blob').then(function(res) {
var img = tab.querySelector('img[data-iface="%s"]'.format(iface));
img.src = URL.createObjectURL(res);
img.style.display = '';
tab.firstElementChild.style.display = 'none';
});
});
return tab;
},
load: function() {
return fs.exec_direct('/usr/bin/vnstat', [ '--json', 'f', '1' ], 'text').then(function(res) {
var json = null;
try {
json = JSON.parse(res)
}
catch(e) {
throw new Error(res.replace(/^Error: /, ''));
}
return (L.isObject(json) ? L.toArray(json.interfaces) : []).map(function(iface) {
return iface.name;
}).sort();
}).catch(function(err) {
ui.addNotification(null, E('p', { 'style': 'white-space:pre' }, [err]));
return [];
});
},
render: function(ifaces) {
var view = E([], [
E('h2', [_('vnStat Graphs')]),
E('div', ifaces.length ? [
this.renderTab(ifaces, 's', _('Summary')),
this.renderTab(ifaces, 't', _('Top')),
this.renderTab(ifaces, '5', _('5 Minute')),
this.renderTab(ifaces, 'h', _('Hourly')),
this.renderTab(ifaces, 'd', _('Daily')),
this.renderTab(ifaces, 'm', _('Monthly')),
this.renderTab(ifaces, 'y', _('Yearly'))
] : [ E('em', [_('No monitored interfaces have been found. Go to the configuration to enable monitoring for one or more interfaces.')]) ])
]);
if (ifaces.length)
ui.tabs.initTabGroup(view.lastElementChild.childNodes);
return view;
},
handleSave: null,
handleSaveApply: null,
handleReset: null
});
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