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