mirror of
https://github.com/kiddin9/op-packages.git
synced 2026-11-04 15:43:56 +08:00
557 lines
17 KiB
JavaScript
557 lines
17 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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'require fs';
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const 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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const 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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const 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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const callLuciRpcGetHostHints = rpc.declare({
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object: 'luci-rpc',
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method: 'getHostHints',
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expect: { '': {} }
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});
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const callLuciRpcGetNetworkDevices = rpc.declare({
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object: 'luci-rpc',
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method: 'getNetworkDevices',
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expect: { '': {} }
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});
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const callLuciRpcGetDHCPLeases = rpc.declare({
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object: 'luci-rpc',
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method: 'getDHCPLeases',
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expect: { '': {} }
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});
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const graphPolls = [];
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const pollInterval = 3;
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const dns_cache = Object.create(null);
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const service_cache = Object.create(null);
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const ethers_cache = Object.create(null);
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let ethers_cache_is_loaded = false;
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let enableLookups = false;
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let filterText = '';
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const 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() {
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return Promise.all([
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this.loadSVG(L.resource('svg/connections.svg'))
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]);
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},
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updateGraph(svg, lines, cb) {
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const G = svg.firstElementChild;
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const view = document.querySelector('#view');
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const width = view.offsetWidth - 2;
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const height = 300 - 2;
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const step = 5;
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const data_wanted = Math.floor(width / step);
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const data_values = [];
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for (let line of lines)
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if (line != null)
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data_values.push([]);
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const 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 (let dv of data_values)
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for (let j = 0; j < data_wanted; j++)
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dv[j] = 0;
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/* plot horizontal time interval lines */
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for (let i = width % (step * 60); i < width; i += step * 60) {
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const 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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const 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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async updateConntrack(conn) {
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async function fetchServices() {
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if (!enableLookups) return;
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if (Object.keys(service_cache).length > 0) return;
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try {
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const rawData = await fs.read('/etc/services');
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const lines = rawData.split('\n');
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for (const line of lines) {
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const match = line.match(/^([\w-]+)\s+(\d+)\/(\w+)/);
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if (match) {
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const service = match[1].toUpperCase();
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const port = match[2];
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const protocol = match[3].toUpperCase();
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if (!(port in service_cache)) service_cache[port] = {};
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service_cache[port][protocol] = service;
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}
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}
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} catch (err) {
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console.error('Error fetching services:', err);
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}
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}
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function joinAddressWithPortOrServiceName(address, port, protocol) {
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if (!port) return address;
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if (enableLookups) {
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const service = service_cache[port]?.[protocol];
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if (service) return `${address}:${service}`;
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}
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return `${address}:${port}`;
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}
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await fetchServices();
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const lookup_queue = new Set();
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const rows = [];
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conn.sort((a, b) => b.bytes - a.bytes);
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for (const c of conn) {
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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 (enableLookups) {
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if (!(c.src in dns_cache)) lookup_queue.add(c.src);
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if (!(c.dst in dns_cache)) lookup_queue.add(c.dst);
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}
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const src = enableLookups && (c.src in dns_cache) ? dns_cache[c.src] : (c.layer3 === 'ipv6' ? `[${c.src}]` : c.src);
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const dst = enableLookups && (c.dst in dns_cache) ? dns_cache[c.dst] : (c.layer3 === 'ipv6' ? `[${c.dst}]` : c.dst);
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const network = c.layer3.toUpperCase();
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const protocol = c.layer4.toUpperCase();
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const source = '%h'.format(joinAddressWithPortOrServiceName(src, c.sport, protocol));
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const destination = '%h'.format(joinAddressWithPortOrServiceName(dst, c.dport, protocol));
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const transfer = [c.bytes, '%1024.2mB (%d %s)'.format(c.bytes, c.packets, _('Pkts.'))];
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if (filterText) {
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const filterTextExpressions = filterText.split(' ');
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if (filterTextExpressions.some(el => el.toUpperCase() !== network && el.toUpperCase() !== protocol
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&& !c.src.includes(el) && !source.includes(el)
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&& !c.dst.includes(el) && !destination.includes(el))) {
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continue;
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}
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}
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rows.push([network, protocol, source, destination, transfer]);
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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.size === 0) return;
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const reduced_lookup_queue = lookup_queue.size > 100
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? new Set([...lookup_queue].slice(0, 100))
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: new Set(lookup_queue);
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async function softFailure(fn) {
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try {
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return await fn();
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} catch (err) {
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console.debug('Lookup failed:', err);
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return null;
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}
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}
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function updateDnsCache(addr, name) {
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if (!addr || !name) return;
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if (!(addr in dns_cache)) dns_cache[addr] = name;
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lookup_queue.delete(addr);
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reduced_lookup_queue.delete(addr);
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}
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// 1. DHCP Leases
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const leases = await softFailure(() => callLuciRpcGetDHCPLeases());
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if (leases && Object.keys(leases).length !== 0) {
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for (const lease of [...(leases.dhcp_leases || []), ...(leases.dhcp6_leases || [])]) {
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const addr = lease.ipaddr || lease.ip6addr;
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updateDnsCache(addr, lease.hostname);
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}
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}
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if (reduced_lookup_queue.size > 0) {
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// 2. Reverse DNS Lookup
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const dnsReplies = await softFailure(() => callNetworkRrdnsLookup([...reduced_lookup_queue], 5000, 1000));
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if (dnsReplies && Object.keys(dnsReplies).length !== 0) {
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for (const addr of Object.keys(dnsReplies)) updateDnsCache(addr, dnsReplies[addr]);
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}
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}
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if (reduced_lookup_queue.size > 0) {
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// 3. Resolve names via hints
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const hints = ethers_cache_is_loaded ? ethers_cache : await softFailure(() => callLuciRpcGetHostHints());
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if (hints && Object.keys(hints).length !== 0) {
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for (const [ether, obj] of Object.entries(hints)) {
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if (!ether || !obj?.name) continue;
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if (!(ether in ethers_cache) && Object.keys(obj).length !== 0) ethers_cache[ether] = obj;
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for (const addr of [...(obj.ipaddrs || []), ...(obj.ip6addrs || [])])
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updateDnsCache(addr, obj.name);
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}
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if (Object.keys(ethers_cache).length) ethers_cache_is_loaded = true;
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}
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}
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if (reduced_lookup_queue.size > 0) {
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// 4. Network devices
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const devices = await softFailure(() => callLuciRpcGetNetworkDevices());
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if (devices) {
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for (const device of Object.values(devices)) {
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if (!device.mac) continue;
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const name = ethers_cache[device.mac]?.name;
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if (!name) continue;
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for (const item of [...(device.ipaddrs || []), ...(device.ip6addrs || [])])
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updateDnsCache(item.address, name);
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}
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}
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}
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// Final cleanup for unresolved addresses
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for (const address of reduced_lookup_queue)
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if ((recheck_lookup_queue[address] || 0) > 2)
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dns_cache[address] = address.includes(':') ? `[${address}]` : address;
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else
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recheck_lookup_queue[address] = (recheck_lookup_queue[address] || 0) + 1;
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const 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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async pollData() {
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poll.add(L.bind(async function() {
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const tasks = [
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L.resolveDefault(callLuciConntrackList(), [])
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];
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graphPolls.forEach(() => {
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tasks.push(L.resolveDefault(callLuciRealtimeStats('conntrack'), []));
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});
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const datasets = await Promise.all(tasks);
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await this.updateConntrack(datasets[0]);
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for (let gi = 0; gi < graphPolls.length; gi++) {
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const ctx = graphPolls[gi];
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const data = datasets[gi + 1];
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const values = ctx.values;
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const lines = ctx.lines;
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const info = ctx.info;
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let data_scale = 0;
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let data_wanted = Math.floor(ctx.width / ctx.step);
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let last_timestamp = NaN;
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for (let 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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const multiply = (lines[di].multiply != null) ? lines[di].multiply : 1;
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const offset = (lines[di].offset != null) ? lines[di].offset : 0;
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for (let 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 (let i = 0; i < values.length; i++) {
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const 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 (let 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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const size = Math.floor(Math.log2(info.peak));
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const div = Math.pow(2, size - (size % 10));
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let 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 (let 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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const el = ctx.svg.firstElementChild.getElementById(lines[di].line);
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let pt = '0,' + ctx.height;
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let y = 0;
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if (!el)
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continue;
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for (let j = 0; j < values[i].length; j++) {
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let 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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y = isNaN(y) ? ctx.height : y;
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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), pollInterval);
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},
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loadSVG(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([svg]) {
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const v = E('div', { 'class': 'cbi-map', 'id': 'map' }, [
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E('h2', _('Connections')),
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E('div', {'class': 'cbi-map-descr'}, _('This page displays the active connections via this device.')),
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E('div', { 'class': 'cbi-section' }, [
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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('table', { 'class': 'table', 'style': 'width:100%;table-layout:fixed' }, [
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E('tr', { 'class': 'tr' }, [
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E('td', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid blue' }, [ _('UDP:') ])),
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E('td', { 'class': 'td', 'id': 'lb_udp_cur' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
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E('td', { 'class': 'td', 'id': 'lb_udp_avg' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
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E('td', { 'class': 'td', 'id': 'lb_udp_peak' }, [ '0' ])
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]),
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E('tr', { 'class': 'tr' }, [
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E('td', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid green' }, [ _('TCP:') ])),
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E('td', { 'class': 'td', 'id': 'lb_tcp_cur' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
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E('td', { 'class': 'td', 'id': 'lb_tcp_avg' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
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E('td', { 'class': 'td', 'id': 'lb_tcp_peak' }, [ '0' ])
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]),
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E('tr', { 'class': 'tr' }, [
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E('td', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid red' }, [ _('Other:') ])),
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E('td', { 'class': 'td', 'id': 'lb_otr_cur' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
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E('td', { 'class': 'td', 'id': 'lb_otr_avg' }, [ '0' ]),
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E('td', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
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E('td', { 'class': 'td', 'id': 'lb_otr_peak' }, [ '0' ])
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])
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]),
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E('br'),
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E('div', {
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id: 'settings-row',
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style: 'display: flex',
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}, [
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E('span', {
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class: 'filter',
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style: 'flex: auto',
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}, [
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E('input', {
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id: 'filter-connections',
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type: 'text',
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placeholder: '192.168.1.15 / UDP 1.15 / :443',
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class: 'cbi-input-text',
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style: 'width: 100%',
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keyup: function(ev) {
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filterText = this.value;
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}
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})
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]),
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E('span', {
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class: 'right',
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style: 'flex: auto',
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}, [
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E('button', {
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'class': 'btn cbi-button cbi-button-apply 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('table', { 'class': 'table', 'id': 'connections' }, [
|
|
E('tr', { 'class': 'tr table-titles' }, [
|
|
E('th', { 'class': 'th col-2 hide-xs' }, [ _('Network') ]),
|
|
E('th', { 'class': 'th col-2' }, [ _('Protocol') ]),
|
|
E('th', { 'class': 'th col-7' }, [ _('Source') ]),
|
|
E('th', { 'class': 'th col-7' }, [ _('Destination') ]),
|
|
E('th', { 'class': 'th col-4' }, [ _('Transfer') ])
|
|
]),
|
|
E('tr', { 'class': 'tr placeholder' }, [
|
|
E('td', { 'class': 'td' }, [
|
|
E('em', {}, [ _('Collecting data...') ])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
]);
|
|
|
|
this.updateGraph(svg, [ { line: 'udp' }, { line: 'tcp' }, { line: 'other' } ], function(svg, info) {
|
|
const 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
|
|
});
|