redis-semaphore/lib/redlockMutex/refresh.js

Distributed mutex and semaphore based on Redis

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.refreshRedlockMutex = void 0;
const debug_1 = __importDefault(require("debug"));
const refresh_1 = require("../mutex/refresh");
const redlock_1 = require("../utils/redlock");
const debug = (0, debug_1.default)('redis-semaphore:redlock-mutex:refresh');
async function refreshRedlockMutex(clients, key, identifier, lockTimeout) {
    debug(key, identifier);
    const quorum = (0, redlock_1.getQuorum)(clients.length);
    const promises = clients.map(client => (0, refresh_1.expireIfEqualLua)(client, [key, identifier, lockTimeout])
        .then(result => +result)
        .catch(() => 0));
    const results = await Promise.all(promises);
    debug('results', results);
    return results.reduce(redlock_1.smartSum, 0) >= quorum;
}
exports.refreshRedlockMutex = refreshRedlockMutex;
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