Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /lib/node_modules/npm/node_modules/retry/example/ |
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);
});