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