joyent-portal/spikes/graphs-topology/d3/server/metric.js
2017-02-06 16:11:01 +00:00

35 lines
645 B
JavaScript

const Emitter = require('component-emitter');
const cdm = {};
module.exports = (server) => ({
on: (id) => {
console.log('on', cdm[id]);
if (cdm[id] && (cdm[id].sockets > 0)) {
cdm[id].sockets +=1;
return;
}
let messageId = 0;
const interval = setInterval(() => {
console.log(`publishing /stats/${id}`);
server.publish(`/stats/${id}`, {
when: new Date().getTime(),
cpu: Math.random() * 100
});
}, 45);
cdm[id] = {
interval,
sockets: 1
};
},
off: (id) => {
if (!(cdm[id].sockets -= 1)) {
clearInterval(cdm[id].interval);
}
}
});