mirror of https://github.com/jkjoy/sunpeiwen.git
59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
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"use strict";
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/* IMPORT */
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Object.defineProperty(exports, "__esModule", { value: true });
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const consts_1 = require("../consts");
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/* RETRYIFY QUEUE */
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const RetryfyQueue = {
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interval: 25,
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intervalId: undefined,
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limit: consts_1.LIMIT_FILES_DESCRIPTORS,
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queueActive: new Set(),
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queueWaiting: new Set(),
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init: () => {
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if (RetryfyQueue.intervalId)
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return;
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RetryfyQueue.intervalId = setInterval(RetryfyQueue.tick, RetryfyQueue.interval);
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},
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reset: () => {
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if (!RetryfyQueue.intervalId)
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return;
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clearInterval(RetryfyQueue.intervalId);
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delete RetryfyQueue.intervalId;
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},
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add: (fn) => {
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RetryfyQueue.queueWaiting.add(fn);
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if (RetryfyQueue.queueActive.size < (RetryfyQueue.limit / 2)) { // Active queue not under preassure, executing immediately
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RetryfyQueue.tick();
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}
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else {
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RetryfyQueue.init();
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}
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},
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remove: (fn) => {
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RetryfyQueue.queueWaiting.delete(fn);
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RetryfyQueue.queueActive.delete(fn);
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},
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schedule: () => {
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return new Promise(resolve => {
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const cleanup = () => RetryfyQueue.remove(resolver);
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const resolver = () => resolve(cleanup);
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RetryfyQueue.add(resolver);
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});
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},
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tick: () => {
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if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
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return;
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if (!RetryfyQueue.queueWaiting.size)
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return RetryfyQueue.reset();
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for (const fn of RetryfyQueue.queueWaiting) {
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if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
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break;
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RetryfyQueue.queueWaiting.delete(fn);
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RetryfyQueue.queueActive.add(fn);
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fn();
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}
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}
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};
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/* EXPORT */
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exports.default = RetryfyQueue;
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