satisfy ESLint
christian2
parent
84f77f3813
commit
f6c76f372a
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@ -4,43 +4,119 @@ const mediasoup = require('mediasoup');
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const prom = require('prom-client');
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const Logger = require('./Logger');
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const Peer = require('./Peer');
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const Room = require('./Room');
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const logger = new Logger('prom');
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const resolver = new Resolver();
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const workers = new Map();
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const label_names = [
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const labelNames = [
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'pid', 'room_id', 'peer_id', 'display_name', 'user_agent', 'transport_id',
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'proto', 'local_addr', 'remote_addr', 'id', 'kind', 'codec', 'type'
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];
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const metadata = {
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'byteCount': { metric_type: prom.Counter, unit: 'bytes' },
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'score': { metric_type: prom.Gauge }
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}
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'byteCount' : { metricType: prom.Counter, unit: 'bytes' },
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'score' : { metricType: prom.Gauge }
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};
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common_labels = function(both, fn) {
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for (let [room_id, room] of rooms) {
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for (let [peer_id, peer] of peers) {
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if (fn(peer)) {
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let display_name = peer._displayName;
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module.exports = async function(rooms, peers, config)
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{
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const collect = async function(registry)
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{
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const newMetrics = function(subsystem)
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{
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const namespace = 'mediasoup';
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const metrics = new Map();
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let user_agent = peer._socket.client.request.headers['user-agent'];
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let kind = both.kind;
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let codec = both.rtpParameters.codecs[0].mimeType.split('/')[1];
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return { room_id, peer_id, display_name, user_agent, kind, codec };
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for (const key in metadata)
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{
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if (Object.prototype.hasOwnProperty.call(metadata, key))
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{
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const value = metadata[key];
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const name = key.split(/(?=[A-Z])/).join('_')
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.toLowerCase();
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const unit = value.unit;
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const metricType = value.metricType;
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let s = `${namespace}_${subsystem}_${name}`;
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if (unit)
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{
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s += `_${unit}`;
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}
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const m = new metricType({
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name : s, help : `${subsystem}.${key}`, labelNames : labelNames, registers : [ registry ] });
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metrics.set(key, m);
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}
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}
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return metrics;
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};
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const commonLabels = function(both, fn)
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{
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for (const roomId of rooms.keys())
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{
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for (const [ peerId, peer ] of peers)
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{
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if (fn(peer))
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{
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const displayName = peer._displayName;
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const userAgent = peer._socket.client.request.headers['user-agent'];
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const kind = both.kind;
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const codec = both.rtpParameters.codecs[0].mimeType.split('/')[1];
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return { roomId, peerId, displayName, userAgent, kind, codec };
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}
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}
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}
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throw new Error('cannot find common labels');
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}
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};
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set_value = function(key, m, labels, v) {
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logger.debug(`set_value key=${key} v=${v}`);
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switch (metadata[key].metric_type) {
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const addr = async function(ip, port)
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{
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if (config.deidentify)
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{
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const a = ip.split('.');
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for (let i = 0; i < a.length - 2; i++)
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{
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a[i] = 'xx';
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}
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return `${a.join('.')}:${port}`;
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}
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else if (config.numeric)
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{
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return `${ip}:${port}`;
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}
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else
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{
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try
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{
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const a = await resolver.reverse(ip);
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ip = a[0];
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}
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catch (err)
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{
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logger.error(`reverse DNS query failed: ${ip} ${err.code}`);
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}
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return `${ip}:${port}`;
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}
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};
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const quiet = function(s)
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{
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return config.quiet ? '' : s;
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};
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const setValue = function(key, m, labels, v)
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{
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logger.debug(`setValue key=${key} v=${v}`);
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switch (metadata[key].metricType)
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{
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case prom.Counter:
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m.inc(labels, v);
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break;
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@ -50,179 +126,159 @@ set_value = function(key, m, labels, v) {
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default:
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throw new Error(`unexpected metric: ${m}`);
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}
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}
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collect = async function(registry, rooms, peers) {
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metrics = function(subsystem) {
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let namespace = 'mediasoup';
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let metrics = new Map();
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for (let key in metadata) {
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value = metadata[key];
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let name = key.split(/(?=[A-Z])/).join('_').toLowerCase();
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let unit = value.unit;
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let metric_type = value.metric_type;
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let s = `${namespace}_${subsystem}_${name}`;
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if (unit) {
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s += `_${unit}`;
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}
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m = new metric_type({name: s, help: `${subsystem}.${key}`,
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labelNames: label_names, registers: [registry]});
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metrics.set(key, m);
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}
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return metrics;
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}
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};
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logger.debug('collect');
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const m_rooms = new prom.Gauge({name: 'edumeet_rooms', help: '#rooms',
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registers: [registry]});
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m_rooms.set(rooms.size);
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const m_peers = new prom.Gauge({name: 'edumeet_peers', help: '#peers',
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labelNames: ['room_id'], registers: [registry]});
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for (let [room_id, room] of rooms) {
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m_peers.labels(room_id).set(Object.keys(room._peers).length);
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const mRooms = new prom.Gauge({ name: 'edumeet_rooms', help: '#rooms', registers: [ registry ] });
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mRooms.set(rooms.size);
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const mPeers = new prom.Gauge({ name: 'edumeet_peers', help: '#peers', labelNames: [ 'room_id' ], registers: [ registry ] });
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for (const [ roomId, room ] of rooms)
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{
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mPeers.labels(roomId).set(Object.keys(room._peers).length);
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}
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const m_consumer = metrics('consumer');
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const m_producer = metrics('producer');
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for (let [pid, worker] of workers) {
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const mConsumer = newMetrics('consumer');
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const mProducer = newMetrics('producer');
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for (const [ pid, worker ] of workers)
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{
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logger.debug(`visiting worker ${pid}`);
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for (let router of worker._routers) {
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for (const router of worker._routers)
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{
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logger.debug(`visiting router ${router.id}`);
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for (let [transport_id, transport] of router._transports) {
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logger.debug(`visiting transport ${transport_id}`);
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let transport_j = await transport.dump();
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if (transport_j.iceState != 'completed') {
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logger.debug(`skipping transport ${transport_id}}: ${transport_j.iceState}`);
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for (const [ transportId, transport ] of router._transports)
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{
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logger.debug(`visiting transport ${transportId}`);
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const transportJson = await transport.dump();
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if (transportJson.iceState != 'completed')
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{
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logger.debug(`skipping transport ${transportId}}: ${transportJson.iceState}`);
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continue;
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}
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let ice_selected_tuple = transport_j.iceSelectedTuple;
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let proto = ice_selected_tuple.protocol
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let local_addr = await addr(ice_selected_tuple.localIp,
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ice_selected_tuple.localPort);
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let remote_addr = await addr(ice_selected_tuple.remoteIp,
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ice_selected_tuple.remotePort);
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for (let [producer_id, producer] of transport._producers) {
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logger.debug(`visiting producer ${producer_id}`);
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let { room_id, peer_id, display_name, user_agent, kind, codec } =
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common_labels(producer, peer => peer._producers.has(producer_id));
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let a = await producer.getStats();
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for (let x of a) {
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let type = x.type;
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let labels = {
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'pid': pid,
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'room_id': room_id,
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'peer_id': peer_id,
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'display_name': display_name,
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'user_agent': user_agent,
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'transport_id': quiet(transport_id),
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'proto': proto,
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'local_addr': local_addr,
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'remote_addr': remote_addr,
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'id': quiet(producer_id),
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'kind': kind,
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'codec': codec,
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'type': type
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}
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for (let [key, m] of m_producer) {
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set_value(key, m, labels, x[key]);
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const iceSelectedTuple = transportJson.iceSelectedTuple;
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const proto = iceSelectedTuple.protocol;
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const localAddr = await addr(iceSelectedTuple.localIp,
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iceSelectedTuple.localPort);
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const remoteAddr = await addr(iceSelectedTuple.remoteIp,
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iceSelectedTuple.remotePort);
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for (const [ producerId, producer ] of transport._producers)
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{
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logger.debug(`visiting producer ${producerId}`);
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const { roomId, peerId, displayName, userAgent, kind, codec } =
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commonLabels(producer, (peer) => peer._producers.has(producerId));
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const a = await producer.getStats();
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for (const x of a)
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{
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const type = x.type;
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const labels = {
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'pid' : pid,
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'room_id' : roomId,
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'peer_id' : peerId,
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'display_name' : displayName,
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'user_agent' : userAgent,
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'transport_id' : quiet(transportId),
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'proto' : proto,
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'local_addr' : localAddr,
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'remote_addr' : remoteAddr,
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'id' : quiet(producerId),
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'kind' : kind,
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'codec' : codec,
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'type' : type
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};
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for (const [ key, m ] of mProducer)
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{
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setValue(key, m, labels, x[key]);
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}
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}
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}
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for (let [consumer_id, consumer] of transport._consumers) {
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logger.debug(`visiting consumer ${consumer_id}`);
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let { room_id, peer_id, display_name, user_agent, kind, codec } =
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common_labels(consumer, peer => peer._consumers.has(consumer_id));
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let a = await consumer.getStats();
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for (let x of a) {
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if (x.type == 'inbound-rtp') {
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for (const [ consumerId, consumer ] of transport._consumers)
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{
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logger.debug(`visiting consumer ${consumerId}`);
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const { roomId, peerId, displayName, userAgent, kind, codec } =
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commonLabels(consumer, (peer) => peer._consumers.has(consumerId));
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const a = await consumer.getStats();
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for (const x of a)
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{
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if (x.type == 'inbound-rtp')
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{
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continue;
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}
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let type = x.type;
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let labels = {
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'pid': pid,
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'room_id': room_id,
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'peer_id': peer_id,
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'display_name': display_name,
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'user_agent': user_agent,
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'transport_id': quiet(transport_id),
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'proto': proto,
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'local_addr': local_addr,
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'remote_addr': remote_addr,
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'id': quiet(consumer_id),
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'kind': kind,
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'codec': codec,
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'type': type
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}
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for (let [key, m] of m_consumer) {
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set_value(key, m, labels, x[key]);
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}
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}
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}
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}
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}
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}
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}
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const type = x.type;
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const labels =
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{
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'pid' : pid,
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'room_id' : roomId,
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'peer_id' : peerId,
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'display_name' : displayName,
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'user_agent' : userAgent,
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'transport_id' : quiet(transportId),
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'proto' : proto,
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'local_addr' : localAddr,
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'remote_addr' : remoteAddr,
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'id' : quiet(consumerId),
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'kind' : kind,
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'codec' : codec,
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'type' : type
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};
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module.exports = async function(rooms, peers, config) {
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for (const [ key, m ] of mConsumer)
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{
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setValue(key, m, labels, x[key]);
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}
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}
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}
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}
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}
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}
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};
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addr = async function(ip, port) {
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if (config.deidentify) {
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let a = ip.split('.')
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for (let i = 0; i < a.length - 2; i++) {
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a[i] = 'xx';
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}
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return `${a.join('.')}:${port}`;
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}
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else if (config.numeric) {
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return `${ip}:${port}`;
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}
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else {
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try {
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let a = await resolver.reverse(ip);
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ip = a[0];
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}
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catch (err) {
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logger.error(`reverse DNS query failed: ${ip} ${err.code}`);
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}
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return `${ip}:${port}`;
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}
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}
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quiet = function(s) {
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return config.quiet ? '' : s;
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}
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try {
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try
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{
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logger.debug(`config.deidentify=${config.deidentify}`);
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logger.debug(`config.numeric=${config.numeric}`);
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logger.debug(`config.port=${config.port}`);
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logger.debug(`config.quiet=${config.quiet}`);
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mediasoup.observer.on('newworker', worker => {
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mediasoup.observer.on('newworker', (worker) =>
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{
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logger.debug(`observing newworker ${worker.pid} #${workers.size}`);
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workers.set(worker.pid, worker);
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worker.observer.on('close', () => {
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worker.observer.on('close', () =>
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{
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logger.debug(`observing close worker ${worker.pid} #${workers.size - 1}`);
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workers.delete(worker.pid);
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});
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});
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let app = express();
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app.get('/', async (req, res) => {
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const app = express();
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app.get('/', async (req, res) =>
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{
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logger.debug(`GET ${req.originalUrl}`);
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let registry = new prom.Registry();
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await collect(registry, rooms, peers);
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const registry = new prom.Registry();
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await collect(registry);
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res.set('Content-Type', registry.contentType);
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let data = registry.metrics();
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const data = registry.metrics();
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res.end(data);
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});
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let server = app.listen(config.port || 8889, () => {
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address = server.address();
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const server = app.listen(config.port || 8889, () =>
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{
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const address = server.address();
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logger.info(`listening ${address.address}:${address.port}`);
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});
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}
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catch (err) {
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catch (err)
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{
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logger.error(err);
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}
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}
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};
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@ -134,7 +134,8 @@ async function run()
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await interactiveServer(rooms, peers);
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// start Prometheus exporter
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if (config.prometheus) {
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if (config.prometheus)
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{
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await promExporter(rooms, peers, config.prometheus);
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}
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