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sendqueue.js
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sendqueue.js
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var Heap = require('./heap')
, Helpers = require('./helpers');
// Send queue for sockets
var before = Helpers.sooner('_sendTime')
, queue = new Heap(before)
, sending = false;
class SendQueue {
constructor() {}
schedule(socket, timestamp) {
socket._sendTime = timestamp; // Todo: use getter method
queue.push(socket);
if (!sending) this.poll();
}
poll() {
sending = true;
if (!queue.length) {
sending = false;
} else {
this.send();
}
}
send() {
var socket;
if (before(queue.peek(), {
_sendTime: process.hrtime()
})) {
socket = queue.pop();
socket._endPoint.transmit(socket);
}
process.nextTick(this.poll);
}
};
// singleton
module.exports = new SendQueue();