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					31 lines
				
				687 B
			
		
		
			
		
	
	
					31 lines
				
				687 B
			| 
											2 years ago
										 | var dns = require('dns'); | ||
|  | var retry = require('../lib/retry'); | ||
|  | 
 | ||
|  | function faultTolerantResolve(address, cb) { | ||
|  |   var opts = { | ||
|  |     retries: 2, | ||
|  |     factor: 2, | ||
|  |     minTimeout: 1 * 1000, | ||
|  |     maxTimeout: 2 * 1000, | ||
|  |     randomize: true | ||
|  |   }; | ||
|  |   var operation = retry.operation(opts); | ||
|  | 
 | ||
|  |   operation.attempt(function(currentAttempt) { | ||
|  |     dns.resolve(address, function(err, addresses) { | ||
|  |       if (operation.retry(err)) { | ||
|  |         return; | ||
|  |       } | ||
|  | 
 | ||
|  |       cb(operation.mainError(), operation.errors(), addresses); | ||
|  |     }); | ||
|  |   }); | ||
|  | } | ||
|  | 
 | ||
|  | faultTolerantResolve('nodejs.org', function(err, errors, addresses) { | ||
|  |   console.warn('err:'); | ||
|  |   console.log(err); | ||
|  | 
 | ||
|  |   console.warn('addresses:'); | ||
|  |   console.log(addresses); | ||
|  | }); |