luci/modules/luci-mod-status/htdocs/luci-static/resources/view/status/connections.js
Jo-Philipp Wich 3c4bc228a1 treewide: import utility classes explicitly
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-04-03 10:00:06 +02:00

426 lines
12 KiB
JavaScript

'use strict';
'require view';
'require poll';
'require request';
'require rpc';
var callLuciRealtimeStats = rpc.declare({
object: 'luci',
method: 'getRealtimeStats',
params: [ 'mode', 'device' ],
expect: { result: [] }
});
var callLuciConntrackList = rpc.declare({
object: 'luci',
method: 'getConntrackList',
expect: { result: [] }
});
var callNetworkRrdnsLookup = rpc.declare({
object: 'network.rrdns',
method: 'lookup',
params: [ 'addrs', 'timeout', 'limit' ],
expect: { '': {} }
});
var graphPolls = [],
pollInterval = 3,
dns_cache = {},
enableLookups = false;
var recheck_lookup_queue = {};
Math.log2 = Math.log2 || function(x) { return Math.log(x) * Math.LOG2E; };
return view.extend({
load: function() {
return Promise.all([
this.loadSVG(L.resource('connections.svg'))
]);
},
updateGraph: function(svg, lines, cb) {
var G = svg.firstElementChild;
var view = document.querySelector('#view');
var width = view.offsetWidth - 2;
var height = 300 - 2;
var step = 5;
var data_wanted = Math.floor(width / step);
var data_values = [],
line_elements = [];
for (var i = 0; i < lines.length; i++)
if (lines[i] != null)
data_values.push([]);
var info = {
line_current: [],
line_average: [],
line_peak: []
};
/* prefill datasets */
for (var i = 0; i < data_values.length; i++)
for (var j = 0; j < data_wanted; j++)
data_values[i][j] = 0;
/* plot horizontal time interval lines */
for (var i = width % (step * 60); i < width; i += step * 60) {
var line = document.createElementNS('http://www.w3.org/2000/svg', 'line');
line.setAttribute('x1', i);
line.setAttribute('y1', 0);
line.setAttribute('x2', i);
line.setAttribute('y2', '100%');
line.setAttribute('style', 'stroke:black;stroke-width:0.1');
var text = document.createElementNS('http://www.w3.org/2000/svg', 'text');
text.setAttribute('x', i + 5);
text.setAttribute('y', 15);
text.setAttribute('style', 'fill:#eee; font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000');
text.appendChild(document.createTextNode(Math.round((width - i) / step / 60) + 'm'));
G.appendChild(line);
G.appendChild(text);
}
info.interval = pollInterval;
info.timeframe = data_wanted / 60;
graphPolls.push({
svg: svg,
lines: lines,
cb: cb,
info: info,
width: width,
height: height,
step: step,
values: data_values,
timestamp: 0,
fill: 1
});
},
updateConntrack: function(conn) {
var lookup_queue = [ ];
var rows = [];
conn.sort(function(a, b) {
return b.bytes - a.bytes;
});
for (var i = 0; i < conn.length; i++)
{
var c = conn[i];
if ((c.src == '127.0.0.1' && c.dst == '127.0.0.1') ||
(c.src == '::1' && c.dst == '::1'))
continue;
if (!dns_cache[c.src] && lookup_queue.indexOf(c.src) == -1)
lookup_queue.push(c.src);
if (!dns_cache[c.dst] && lookup_queue.indexOf(c.dst) == -1)
lookup_queue.push(c.dst);
var src = dns_cache[c.src] || (c.layer3 == 'ipv6' ? '[' + c.src + ']' : c.src);
var dst = dns_cache[c.dst] || (c.layer3 == 'ipv6' ? '[' + c.dst + ']' : c.dst);
rows.push([
c.layer3.toUpperCase(),
c.layer4.toUpperCase(),
c.hasOwnProperty('sport') ? (src + ':' + c.sport) : src,
c.hasOwnProperty('dport') ? (dst + ':' + c.dport) : dst,
'%1024.2mB (%d %s)'.format(c.bytes, c.packets, _('Pkts.'))
]);
}
cbi_update_table('#connections', rows, E('em', _('No information available')));
if (enableLookups && lookup_queue.length > 0) {
var reduced_lookup_queue = lookup_queue;
if (lookup_queue.length > 100)
reduced_lookup_queue = lookup_queue.slice(0, 100);
callNetworkRrdnsLookup(reduced_lookup_queue, 5000, 1000).then(function(replies) {
for (var index in reduced_lookup_queue) {
var address = reduced_lookup_queue[index];
if (!address)
continue;
if (replies[address]) {
dns_cache[address] = replies[address];
lookup_queue.splice(reduced_lookup_queue.indexOf(address), 1);
continue;
}
if (recheck_lookup_queue[address] > 2) {
dns_cache[address] = (address.match(/:/)) ? '[' + address + ']' : address;
lookup_queue.splice(index, 1);
}
else {
recheck_lookup_queue[address] = (recheck_lookup_queue[address] || 0) + 1;
}
}
var btn = document.querySelector('.btn.toggle-lookups');
if (btn) {
btn.firstChild.data = enableLookups ? _('Disable DNS lookups') : _('Enable DNS lookups');
btn.classList.remove('spinning');
btn.disabled = false;
}
});
}
},
pollData: function() {
poll.add(L.bind(function() {
var tasks = [
L.resolveDefault(callLuciConntrackList(), [])
];
for (var i = 0; i < graphPolls.length; i++) {
var ctx = graphPolls[i];
tasks.push(L.resolveDefault(callLuciRealtimeStats('conntrack'), []));
}
return Promise.all(tasks).then(L.bind(function(datasets) {
this.updateConntrack(datasets[0]);
for (var gi = 0; gi < graphPolls.length; gi++) {
var ctx = graphPolls[gi],
data = datasets[gi + 1],
values = ctx.values,
lines = ctx.lines,
info = ctx.info;
var data_scale = 0;
var data_wanted = Math.floor(ctx.width / ctx.step);
var last_timestamp = NaN;
for (var i = 0, di = 0; di < lines.length; di++) {
if (lines[di] == null)
continue;
var multiply = (lines[di].multiply != null) ? lines[di].multiply : 1,
offset = (lines[di].offset != null) ? lines[di].offset : 0;
for (var j = ctx.timestamp ? 0 : 1; j < data.length; j++) {
/* skip overlapping entries */
if (data[j][0] <= ctx.timestamp)
continue;
if (i == 0) {
ctx.fill++;
last_timestamp = data[j][0];
}
info.line_current[i] = data[j][di + 1] * multiply;
info.line_current[i] -= Math.min(info.line_current[i], offset);
values[i].push(info.line_current[i]);
}
i++;
}
/* cut off outdated entries */
ctx.fill = Math.min(ctx.fill, data_wanted);
for (var i = 0; i < values.length; i++) {
var len = values[i].length;
values[i] = values[i].slice(len - data_wanted, len);
/* find peaks, averages */
info.line_peak[i] = NaN;
info.line_average[i] = 0;
for (var j = 0; j < values[i].length; j++) {
info.line_peak[i] = isNaN(info.line_peak[i]) ? values[i][j] : Math.max(info.line_peak[i], values[i][j]);
info.line_average[i] += values[i][j];
}
info.line_average[i] = info.line_average[i] / ctx.fill;
}
info.peak = Math.max.apply(Math, info.line_peak);
/* remember current timestamp, calculate horizontal scale */
if (!isNaN(last_timestamp))
ctx.timestamp = last_timestamp;
var size = Math.floor(Math.log2(info.peak)),
div = Math.pow(2, size - (size % 10)),
mult = info.peak / div,
mult = (mult < 5) ? 2 : ((mult < 50) ? 10 : ((mult < 500) ? 100 : 1000));
info.peak = info.peak + (mult * div) - (info.peak % (mult * div));
data_scale = ctx.height / info.peak;
/* plot data */
for (var i = 0, di = 0; di < lines.length; di++) {
if (lines[di] == null)
continue;
var el = ctx.svg.firstElementChild.getElementById(lines[di].line),
pt = '0,' + ctx.height,
y = 0;
if (!el)
continue;
for (var j = 0; j < values[i].length; j++) {
var x = j * ctx.step;
y = ctx.height - Math.floor(values[i][j] * data_scale);
//y -= Math.floor(y % (1 / data_scale));
pt += ' ' + x + ',' + y;
}
pt += ' ' + ctx.width + ',' + y + ' ' + ctx.width + ',' + ctx.height;
el.setAttribute('points', pt);
i++;
}
info.label_25 = 0.25 * info.peak;
info.label_50 = 0.50 * info.peak;
info.label_75 = 0.75 * info.peak;
if (typeof(ctx.cb) == 'function')
ctx.cb(ctx.svg, info);
}
}, this));
}, this), pollInterval);
},
loadSVG: function(src) {
return request.get(src).then(function(response) {
if (!response.ok)
throw new Error(response.statusText);
return E('div', {
'style': 'width:100%;height:300px;border:1px solid #000;background:#fff'
}, E(response.text()));
});
},
render: function(data) {
var svg = data[0];
var v = E([], [
svg,
E('div', { 'class': 'right' }, E('small', { 'id': 'scale' }, '-')),
E('br'),
E('div', { 'class': 'table', 'style': 'width:100%;table-layout:fixed' }, [
E('div', { 'class': 'tr' }, [
E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid blue' }, [ _('UDP:') ])),
E('div', { 'class': 'td', 'id': 'lb_udp_cur' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
E('div', { 'class': 'td', 'id': 'lb_udp_avg' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
E('div', { 'class': 'td', 'id': 'lb_udp_peak' }, [ '0' ])
]),
E('div', { 'class': 'tr' }, [
E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid green' }, [ _('TCP:') ])),
E('div', { 'class': 'td', 'id': 'lb_tcp_cur' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
E('div', { 'class': 'td', 'id': 'lb_tcp_avg' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
E('div', { 'class': 'td', 'id': 'lb_tcp_peak' }, [ '0' ])
]),
E('div', { 'class': 'tr' }, [
E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid red' }, [ _('Other:') ])),
E('div', { 'class': 'td', 'id': 'lb_otr_cur' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
E('div', { 'class': 'td', 'id': 'lb_otr_avg' }, [ '0' ]),
E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
E('div', { 'class': 'td', 'id': 'lb_otr_peak' }, [ '0' ])
])
]),
E('div', { 'class': 'right' }, [
E('button', {
'class': 'btn toggle-lookups',
'click': function(ev) {
if (!enableLookups) {
ev.currentTarget.classList.add('spinning');
ev.currentTarget.disabled = true;
enableLookups = true;
}
else {
ev.currentTarget.firstChild.data = _('Enable DNS lookups');
enableLookups = false;
}
this.blur();
}
}, [ enableLookups ? _('Disable DNS lookups') : _('Enable DNS lookups') ])
]),
E('br'),
E('div', { 'class': 'cbi-section-node' }, [
E('div', { 'class': 'table', 'id': 'connections' }, [
E('div', { 'class': 'tr table-titles' }, [
E('div', { 'class': 'th col-2 hide-xs' }, [ _('Network') ]),
E('div', { 'class': 'th col-2' }, [ _('Protocol') ]),
E('div', { 'class': 'th col-7' }, [ _('Source') ]),
E('div', { 'class': 'th col-7' }, [ _('Destination') ]),
E('div', { 'class': 'th col-4' }, [ _('Transfer') ])
]),
E('div', { 'class': 'tr placeholder' }, [
E('div', { 'class': 'td' }, [
E('em', {}, [ _('Collecting data...') ])
])
])
])
])
]);
this.updateGraph(svg, [ { line: 'udp' }, { line: 'tcp' }, { line: 'other' } ], function(svg, info) {
var G = svg.firstElementChild, tab = svg.parentNode;
G.getElementById('label_25').firstChild.data = '%d'.format(info.label_25);
G.getElementById('label_50').firstChild.data = '%d'.format(info.label_50);
G.getElementById('label_75').firstChild.data = '%d'.format(info.label_75);
tab.querySelector('#scale').firstChild.data = _('(%d minute window, %d second interval)').format(info.timeframe, info.interval);
tab.querySelector('#lb_udp_cur').firstChild.data = '%d'.format(info.line_current[0]);
tab.querySelector('#lb_udp_avg').firstChild.data = '%d'.format(info.line_average[0]);
tab.querySelector('#lb_udp_peak').firstChild.data = '%d'.format(info.line_peak[0]);
tab.querySelector('#lb_tcp_cur').firstChild.data = '%d'.format(info.line_current[1]);
tab.querySelector('#lb_tcp_avg').firstChild.data = '%d'.format(info.line_average[1]);
tab.querySelector('#lb_tcp_peak').firstChild.data = '%d'.format(info.line_peak[1]);
tab.querySelector('#lb_otr_cur').firstChild.data = '%d'.format(info.line_current[2]);
tab.querySelector('#lb_otr_avg').firstChild.data = '%d'.format(info.line_average[2]);
tab.querySelector('#lb_otr_peak').firstChild.data = '%d'.format(info.line_peak[2]);
});
this.pollData();
return v;
},
handleSaveApply: null,
handleSave: null,
handleReset: null
});