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performancetestbench.js
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performancetestbench.js
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process.env.DEBUG = ''
const assert = require('assert');
let request = require('supertest')
const io = require("socket.io-client");
const child_process = require("child_process");
const udp = require('dgram');
const Roles = require('../lib/userRoles');
let recvUdpSocket
let recvRtcpUdpSocket
let app
let processes = [];
let rtpParameters = {
codecs: [
{
mimeType: "video/H264",
payloadType: 125,
clockRate: 90000,
parameters: {
"level-asymmetry-allowed": 1,
"packetization-mode": 1,
"profile-level-id": "42e01f",
},
},
],
}
function startFFMPEGStream(peers, ssrc) {
const cmdProgram = "ffmpeg";
//Build a video stream per producer
const streams = peers.map((peer) => `[select=v:f=rtp:ssrc=${ssrc}:payload_type=125]rtp://127.0.0.1:${peer.senderTransportInfo.port}?rtcpport=${peer.senderTransportInfo.rtcpPort}`);
const cmdArgStr = [
"-i /dev/video0", //We are streaming from the webcam (a looping videofile would be an alternative)
`-c:v h264`, //The codec
"-map 0:v:0",
"-f tee", //This option allows us to read the source once, encode once, and then output multiple streams
streams.join('|').trim()
].join(" ").trim();
console.log(`Run command: ${cmdProgram} ${cmdArgStr}`);
let recProcess = child_process.spawn(cmdProgram, cmdArgStr.split(/\s+/));
recProcess.on("error", (err) => {
console.error("Recording process error:", err);
});
recProcess.on("exit", (code, signal) => {
console.log("Recording process exit, code: %d, signal: %s", code, signal);
recProcess = null;
});
// FFmpeg writes its logs to stderr
recProcess.stderr.on("data", (chunk) => {
chunk
.toString()
.split(/\r?\n/g)
.filter(Boolean) // Filter out empty strings
.forEach((line) => {
// console.log(line);
});
});
return recProcess;
}
async function sendRequest(socket, method, data = null) {
return await new Promise((resolve, /*reject*/) => {
socket.emit(
'request',
{method: method,
data: data},
(error, response) => {
assert(!error)
resolve(response)
}
)
})
}
async function createPeer(roomId, request, receiverPort, receiverRtcpPort) {
let signalingSocket
await request
.post(`/meetmedia/api/sessions/${roomId}/connection`)
.send({role: Roles.PUBLISHER | Roles.SUBSCRIBER | Roles.MODERATOR})
.expect(200)
.then(async (res) => {
let data = res.body;
const signalingUrl = data['token'];
signalingSocket = io(signalingUrl, { path: '/meetmedia/signaling', transports: ["websocket"], rejectUnauthorized: false });
let roomReady = new Promise((resolve, /*reject*/) => {
signalingSocket.once('notification', (reason) => {
// console.warn("Received notification", reason)
if (reason['method'] == 'roomReady') {
resolve();
}
});
})
signalingSocket.connect();
await roomReady
})
.catch(err => { console.warn(err); throw err })
//Necessary later for the server to resume the consumer,
//once we join with another peer
signalingSocket.on('request', async (reason, cb) => {
// console.warn("Received request", reason)
if (reason['method'] == 'newConsumer') {
cb();
}
});
//Join
await sendRequest(signalingSocket, 'join', {
nickname: "nickname",
rtpCapabilities: rtpParameters
})
//Create sending transport
const senderTransportInfo = await sendRequest(signalingSocket, 'createPlainTransport', {
producing: true,
consuming: false,
})
//Create consuming transport
const consumerTransportInfo = await sendRequest(signalingSocket, 'createPlainTransport', {
producing: false,
consuming: true,
})
await sendRequest(signalingSocket, 'connectPlainTransport', {
transportId: consumerTransportInfo.id,
ip: '127.0.0.1',
port: receiverPort,
rtcpPort: receiverRtcpPort,
})
//Create sending producer
await sendRequest(signalingSocket, 'produce', {
transportId: senderTransportInfo.id,
kind: 'video',
rtpParameters: {
codecs: [
{
mimeType: "video/H264",
payloadType: 125,
clockRate: 90000,
parameters: {
"level-asymmetry-allowed": 1,
"packetization-mode": 1,
"profile-level-id": "42e01f",
},
},
],
encodings: [{ ssrc: 2222 }]
},
appData: {
source: 'webcam'
}
})
return {senderTransportInfo, consumerTransportInfo, signalingSocket};
}
before(function (done) {
process.env.SSL_CERT = "../../docker/certs/kolab.hosted.com.cert"
process.env.SSL_KEY = "../../docker/certs/kolab.hosted.com.key"
process.env.REDIS_IP = "none"
process.env.MEDIASOUP_NUM_WORKERS = 3
process.env.ROUTER_SCALE_SIZE = 3
app = require('../server.js')
request = request(app);
recvUdpSocket = udp.createSocket('udp4');
recvUdpSocket.on('message',function(msg,info){
// console.warn("Received message", msg, info)
});
recvRtcpUdpSocket = udp.createSocket('udp4');
recvRtcpUdpSocket.on('message',function(msg,info){
// console.warn("Received RTCP message", msg, info)
});
app.on("ready", function(){
done();
});
});
describe('Testbench', function() {
const roomId = "room1";
let peers = [];
it('prepare udp sockets', async () => {
await new Promise(resolve => recvUdpSocket.bind(22222, '127.0.0.1', resolve));
await new Promise(resolve => recvRtcpUdpSocket.bind(22223, '127.0.0.1', resolve));
});
it('create peers', async () => {
for (var i = 0; i < 20; i++) {
peers.push(await createPeer(roomId, request, recvUdpSocket.address().port, recvRtcpUdpSocket.address().port))
}
});
it('start ffmpg stream', async () => {
processes.push(startFFMPEGStream(peers, 2222))
});
it('wait forever', async () => {
setInterval(function(){
sendRequest(peers[0].signalingSocket, 'dumpStats', {})
}, 5000)
const promise = new Promise((res, _rej) => {});
return promise;
})
});
after(function () {
for (const process of processes) {
process.kill()
}
process.exit();
})

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