vue hello world项目
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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);
});