1 | var dns = require('dns');
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2 | var retry = require('../lib/retry');
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3 |
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4 | function faultTolerantResolve(address, cb) {
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5 | var opts = {
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6 | retries: 2,
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7 | factor: 2,
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8 | minTimeout: 1 * 1000,
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9 | maxTimeout: 2 * 1000,
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10 | randomize: true
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11 | };
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12 | var operation = retry.operation(opts);
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13 |
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14 | operation.attempt(function(currentAttempt) {
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15 | dns.resolve(address, function(err, addresses) {
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16 | if (operation.retry(err)) {
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17 | return;
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18 | }
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19 |
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20 | cb(operation.mainError(), operation.errors(), addresses);
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21 | });
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22 | });
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23 | }
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24 |
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25 | faultTolerantResolve('nodejs.org', function(err, errors, addresses) {
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26 | console.warn('err:');
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27 | console.log(err);
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28 |
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29 | console.warn('addresses:');
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30 | console.log(addresses);
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31 | }); |
\ | No newline at end of file |