homebridge-tsvesync/dist/utils/retry.js

Homebridge plugin for VeSync devices including Levoit air purifiers, humidifiers, and Etekcity smart outlets

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RetryManager = void 0;
class RetryManager {
    constructor(log, config = { maxRetries: 3 }) {
        this.log = log;
        this.config = config;
        this.retryCount = 0;
        this.maxRetries = config.maxRetries;
    }
    /**
     * Get the current retry count
     */
    getRetryCount() {
        return this.retryCount;
    }
    /**
     * Execute an operation with retry logic
     */
    async execute(operation, context) {
        this.retryCount = 0;
        while (this.retryCount < this.maxRetries) {
            try {
                const result = await operation();
                // If result is null and we have retries left, try again
                if (result === null && this.retryCount < this.maxRetries - 1) {
                    this.retryCount++;
                    const delay = Math.min(2000 * Math.pow(2, this.retryCount - 1), 10000);
                    this.log.debug(`[${context.deviceName}] === RETRY MANAGER: Attempt ${this.retryCount}/${this.maxRetries}, waiting ${delay}ms ===`);
                    await new Promise(resolve => setTimeout(resolve, delay));
                    continue;
                }
                // If this is our last try and result is null, throw error
                if (result === null && this.retryCount >= this.maxRetries - 1) {
                    throw new Error(`Failed to ${context.operation} - got null result after ${this.maxRetries} attempts`);
                }
                return result;
            }
            catch (error) {
                this.retryCount++;
                if (this.retryCount >= this.maxRetries) {
                    throw error;
                }
                // Calculate delay based on attempt number
                const delay = Math.min(2000 * Math.pow(2, this.retryCount - 1), 10000);
                this.log.debug(`[${context.deviceName}] === RETRY MANAGER: Attempt ${this.retryCount}/${this.maxRetries}, waiting ${delay}ms ===`);
                await new Promise(resolve => setTimeout(resolve, delay));
            }
        }
        throw new Error(`Failed to ${context.operation} after ${this.maxRetries} attempts`);
    }
}
exports.RetryManager = RetryManager;
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