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interactiveServer.js
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interactiveServer.js
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const os = require('os');
const path = require('path');
const repl = require('repl');
const readline = require('readline');
const net = require('net');
const fs = require('fs');
const mediasoup = require('mediasoup');
const colors = require('colors/safe');
const pidusage = require('pidusage');
const SOCKET_PATH_UNIX = '/tmp/kolabmeet-server.sock';
const SOCKET_PATH_WIN = path.join('\\\\?\\pipe', process.cwd(), 'kolabmeet-server');
const SOCKET_PATH = os.platform() === 'win32' ? SOCKET_PATH_WIN : SOCKET_PATH_UNIX;
// Maps to store all mediasoup objects.
const workers = new Map();
const routers = new Map();
const transports = new Map();
const producers = new Map();
const consumers = new Map();
const dataProducers = new Map();
const dataConsumers = new Map();
class Interactive {
constructor(socket) {
this._socket = socket;
this._isTerminalOpen = false;
}
async dump(name, params, entries) {
const list = params[0] ? [entries.get(params[0])] : entries.values();
for (const entry of list) {
if (!entry) {
this.error(`${name} not found`);
break;
}
try {
const dump = await entry.dump();
this.log(`${name}.dump():\n${JSON.stringify(dump, null, ' ')}`);
} catch (error) {
this.error(`${name}.dump() failed: ${error}`);
}
}
}
async dumpStats(name, params, entries) {
const list = params[0] ? [entries.get(params[0])] : entries.values();
for (const entry of list) {
if (!entry) {
this.error(`${name} not found`);
break;
}
try {
const stats = await entry.getStats();
this.log(`${name}.getStats():\n${JSON.stringify(stats, null, ' ')}`);
} catch (error) {
this.error(`${name}.getStats() failed: ${error}`);
}
}
}
async processCommand(command, params) {
switch (command) {
case '':
{
break;
}
case 'h':
case 'help':
{
this.log('');
this.log('available commands:');
this.log('- h, help : show this message');
this.log('- usage : show CPU and memory usage of the Node.js and mediasoup-worker processes');
this.log('- logLevel level : changes logLevel in all mediasoup Workers');
this.log('- logTags [tag] [tag] : changes logTags in all mediasoup Workers (values separated by space)');
this.log('- dumpRooms : dump all rooms');
this.log('- dumpPeers : dump all peers');
this.log('- dw, dumpWorkers : dump mediasoup Workers');
this.log('- dr, dumpRouter [id] : dump mediasoup Router with given id (or the latest created one)');
this.log('- dt, dumpTransport [id] : dump mediasoup Transport with given id (or the latest created one)');
this.log('- dp, dumpProducer [id] : dump mediasoup Producer with given id (or the latest created one)');
this.log('- dc, dumpConsumer [id] : dump mediasoup Consumer with given id (or the latest created one)');
this.log('- sr, statsRoom [id] : get stats for the room with id');
this.log('- st, statsTransport [id] : get stats for mediasoup Transport with given id (or all)');
this.log('- sp, statsProducer [id] : get stats for mediasoup Producer with given id (or all)');
this.log('- sc, statsConsumer [id] : get stats for mediasoup Consumer with given id (or all)');
this.log('- ddp, dumpDataProducer [id] : dump mediasoup DataProducer with given id (or the latest created one)');
this.log('- ddc, dumpDataConsumer [id] : dump mediasoup DataConsumer with given id (or the latest created one)');
this.log('- sdp, statsDataProducer [id] : get stats for mediasoup DataProducer with given id (or the latest created one)');
this.log('- sdc, statsDataConsumer [id] : get stats for mediasoup DataConsumer with given id (or the latest created one)');
this.log('- t, terminal : open Node REPL Terminal');
this.log('');
break;
}
case 'u':
case 'usage':
{
let usage = await pidusage(process.pid);
this.log(`Node.js process [pid:${process.pid}]:\n${JSON.stringify(usage, null, ' ')}`);
for (const worker of workers.values()) {
usage = await pidusage(worker.pid);
this.log(`mediasoup-worker process [pid:${worker.pid}]:\n${JSON.stringify(usage, null, ' ')}`);
}
break;
}
case 'logLevel':
{
const level = params[0];
const promises = [];
for (const worker of workers.values()) {
promises.push(worker.updateSettings({ logLevel: level }));
}
try {
await Promise.all(promises);
this.log('done');
} catch (error) {
this.error(String(error));
}
break;
}
case 'logTags':
{
const tags = params;
const promises = [];
for (const worker of workers.values()) {
promises.push(worker.updateSettings({ logTags: tags }));
}
try {
await Promise.all(promises);
this.log('done');
} catch (error) {
this.error(String(error));
}
break;
}
case 'stats':
{
this.log(`rooms:${global.rooms.size}\npeers:${global.peers.size}`);
break;
}
case 'sr':
case 'statsRoom': {
const room = global.rooms.get(params[0]);
this.log(`Room ${room._roomId}`);
this.log(`Stats \n${JSON.stringify(room.stats(), null, ' ')}`);
for (const peer of Object.values(room._peers)) {
this.log(`Peer ${peer._nickname}`);
for (const entry of peer._consumers.values()) {
const stats = await entry.getStats();
this.log(`Consumer:\n${JSON.stringify(stats, null, ' ')}`);
}
for (const entry of peer._producers.values()) {
const stats = await entry.getStats();
this.log(`Producer:\n${JSON.stringify(stats, null, ' ')}`);
}
for (const entry of peer._transports.values()) {
const stats = await entry.getStats();
this.log(`Transport:\n${JSON.stringify(stats, null, ' ')}`);
}
}
break;
}
case 'dumpRooms':
{
for (const room of global.rooms.values()) {
try {
const dump = await room.dump();
this.log(`room.dump():\n${JSON.stringify(dump, null, ' ')}`);
} catch (error) {
this.error(`room.dump() failed: ${error}`);
}
}
break;
}
case 'dumpPeers':
{
for (const peer of global.peers.values()) {
try {
const dump = await peer.peerInfo;
this.log(`peer.peerInfo():\n${JSON.stringify(dump, null, ' ')}`);
} catch (error) {
this.error(`peer.peerInfo() failed: ${error}`);
}
}
break;
}
case 'dw':
case 'dumpWorkers':
{
for (const worker of workers.values()) {
try {
const dump = await worker.dump();
this.log(`worker.dump():\n${JSON.stringify(dump, null, ' ')}`);
} catch (error) {
this.error(`worker.dump() failed: ${error}`);
}
}
break;
}
case 'dr':
case 'dumpRouter':
{
await this.dump('router', params, routers);
break;
}
case 'dt':
case 'dumpTransport':
{
await this.dump('transport', params, transports);
break;
}
case 'dp':
case 'dumpProducer':
{
await this.dump('producer', params, producers);
break;
}
case 'dc':
case 'dumpConsumer':
{
await this.dump('consumer', params, consumers);
break;
}
case 'ddp':
case 'dumpDataProducer':
{
await this.dump('dataProducer', params, dataProducers);
break;
}
case 'ddc':
case 'dumpDataConsumer':
{
await this.dump('dataConsumer', params, dataConsumers);
break;
}
case 'st':
case 'statsTransport':
{
await this.dumpStats('transport', params, transports);
break;
}
case 'sp':
case 'statsProducer':
{
await this.dumpStats('producer', params, producers);
break;
}
case 'sc':
case 'statsConsumer':
{
await this.dumpStats('consumer', params, consumers);
break;
}
case 'sdp':
case 'statsDataProducer':
{
await this.dumpStats('dataProducer', params, dataProducers);
break;
}
case 'sdc':
case 'statsDataConsumer':
{
await this.dumpStats('dataConsumer', params, dataConsumers);
break;
}
case 't':
case 'terminal':
{
return false;
}
default:
{
this.error(`unknown command '${command}'`);
this.log('press \'h\' or \'help\' to get the list of available commands');
}
}
return true;
}
openCommandConsole() {
const cmd = readline.createInterface(
{
input : this._socket,
output : this._socket,
terminal : true
});
cmd.on('close', () => {
if (this._isTerminalOpen)
return;
this.log('\nexiting...');
this._socket.end();
});
const readStdin = () => {
cmd.question('cmd> ', async (input) => {
const params = input.split(/[\s\t]+/);
const command = params.shift();
try {
const ret = await this.processCommand(command, params);
if (!ret) {
this._isTerminalOpen = true;
cmd.close();
this.openTerminal();
return;
}
} catch (error) {
this.error(`Processing of command ${command} ${params} failed: ${error}`);
}
readStdin();
});
};
readStdin();
}
openTerminal() {
this.log('\n[opening Node REPL Terminal...]');
this.log('here you have access to workers, routers, transports, producers, consumers, dataProducers and dataConsumers ES6 maps');
const terminal = repl.start(
{
input : this._socket,
output : this._socket,
terminal : true,
prompt : 'terminal> ',
useColors : true,
useGlobal : true,
ignoreUndefined : false
});
this._isTerminalOpen = true;
terminal.on('exit', () => {
this.log('\n[exiting Node REPL Terminal...]');
this._isTerminalOpen = false;
this.openCommandConsole();
});
}
log(msg) {
try {
this._socket.write(`${colors.green(msg)}\n`);
} catch (error) {
//Do nothing
}
}
error(msg) {
try {
this._socket.write(`${colors.red.bold('ERROR: ')}${colors.red(msg)}\n`);
} catch (error) {
//Do nothing
}
}
}
function runMediasoupObserver() {
mediasoup.observer.on('newworker', (worker) => {
// Store the latest worker in a global variable.
global.worker = worker;
workers.set(worker.pid, worker);
worker.observer.on('close', () => workers.delete(worker.pid));
worker.observer.on('newrouter', (router) => {
// Store the latest router in a global variable.
global.router = router;
routers.set(router.id, router);
router.observer.on('close', () => routers.delete(router.id));
router.observer.on('newtransport', (transport) => {
// Store the latest transport in a global variable.
global.transport = transport;
transports.set(transport.id, transport);
transport.observer.on('close', () => transports.delete(transport.id));
transport.observer.on('newproducer', (producer) => {
// Store the latest producer in a global variable.
global.producer = producer;
producers.set(producer.id, producer);
producer.observer.on('close', () => producers.delete(producer.id));
});
transport.observer.on('newconsumer', (consumer) => {
// Store the latest consumer in a global variable.
global.consumer = consumer;
consumers.set(consumer.id, consumer);
consumer.observer.on('close', () => consumers.delete(consumer.id));
});
transport.observer.on('newdataproducer', (dataProducer) => {
// Store the latest dataProducer in a global variable.
global.dataProducer = dataProducer;
dataProducers.set(dataProducer.id, dataProducer);
dataProducer.observer.on('close', () => dataProducers.delete(dataProducer.id));
});
transport.observer.on('newdataconsumer', (dataConsumer) => {
// Store the latest dataConsumer in a global variable.
global.dataConsumer = dataConsumer;
dataConsumers.set(dataConsumer.id, dataConsumer);
dataConsumer.observer.on('close', () => dataConsumers.delete(dataConsumer.id));
});
});
});
});
}
module.exports = async function(rooms, peers) {
try {
// Run the mediasoup observer API.
runMediasoupObserver();
// Make maps global so they can be used during the REPL terminal.
global.rooms = rooms;
global.peers = peers;
global.workers = workers;
global.routers = routers;
global.transports = transports;
global.producers = producers;
global.consumers = consumers;
global.dataProducers = dataProducers;
global.dataConsumers = dataConsumers;
const server = net.createServer((socket) => {
const interactive = new Interactive(socket);
interactive.openCommandConsole();
});
await new Promise((resolve) => {
try {
fs.unlinkSync(SOCKET_PATH);
} catch (error) {
//Do nothing
}
server.listen(SOCKET_PATH, resolve);
});
} catch (error) {
//Do nothing
}
};

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interactiveServer.js (15 KB)

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