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'use strict';
const cluster = require('cluster');
if (cluster.isMaster) {
const common = require('../common.js');
const bench = common.createBenchmark(main, {
workers: [1],
payload: ['string', 'object'],
sendsPerBroadcast: [1, 10],
n: [1e5]
});
function main({ n, workers, sendsPerBroadcast, payload }) {
const expectedPerBroadcast = sendsPerBroadcast * workers;
var readies = 0;
var broadcasts = 0;
var msgCount = 0;
var data;
switch (payload) {
case 'string':
data = 'hello world!';
break;
case 'object':
data = { action: 'pewpewpew', powerLevel: 9001 };
break;
default:
throw new Error('Unsupported payload type');
}
for (var i = 0; i < workers; ++i)
cluster.fork().on('online', onOnline).on('message', onMessage);
function onOnline() {
if (++readies === workers) {
bench.start();
broadcast();
}
}
function broadcast() {
var id;
if (broadcasts++ === n) {
bench.end(n);
for (id in cluster.workers)
cluster.workers[id].disconnect();
return;
}
for (id in cluster.workers) {
const worker = cluster.workers[id];
for (var i = 0; i < sendsPerBroadcast; ++i)
worker.send(data);
}
}
function onMessage() {
if (++msgCount === expectedPerBroadcast) {
msgCount = 0;
broadcast();
}
}
}
} else {
process.on('message', (msg) => {
process.send(msg);
});
}
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