1
|
var dns = require('dns');
|
2
|
var retry = require('../lib/retry');
|
3
|
|
4
|
function faultTolerantResolve(address, cb) {
|
5
|
var opts = {
|
6
|
retries: 2,
|
7
|
factor: 2,
|
8
|
minTimeout: 1 * 1000,
|
9
|
maxTimeout: 2 * 1000,
|
10
|
randomize: true
|
11
|
};
|
12
|
var operation = retry.operation(opts);
|
13
|
|
14
|
operation.attempt(function(currentAttempt) {
|
15
|
dns.resolve(address, function(err, addresses) {
|
16
|
if (operation.retry(err)) {
|
17
|
return;
|
18
|
}
|
19
|
|
20
|
cb(operation.mainError(), operation.errors(), addresses);
|
21
|
});
|
22
|
});
|
23
|
}
|
24
|
|
25
|
faultTolerantResolve('nodejs.org', function(err, errors, addresses) {
|
26
|
console.warn('err:');
|
27
|
console.log(err);
|
28
|
|
29
|
console.warn('addresses:');
|
30
|
console.log(addresses);
|
31
|
});
|