1
|
var retry = require('../lib/retry');
|
2
|
|
3
|
function attemptAsyncOperation(someInput, cb) {
|
4
|
var opts = {
|
5
|
retries: 2,
|
6
|
factor: 2,
|
7
|
minTimeout: 1 * 1000,
|
8
|
maxTimeout: 2 * 1000,
|
9
|
randomize: true
|
10
|
};
|
11
|
var operation = retry.operation(opts);
|
12
|
|
13
|
operation.attempt(function(currentAttempt) {
|
14
|
failingAsyncOperation(someInput, function(err, result) {
|
15
|
|
16
|
if (err && err.message === 'A fatal error') {
|
17
|
operation.stop();
|
18
|
return cb(err);
|
19
|
}
|
20
|
|
21
|
if (operation.retry(err)) {
|
22
|
return;
|
23
|
}
|
24
|
|
25
|
cb(operation.mainError(), operation.errors(), result);
|
26
|
});
|
27
|
});
|
28
|
}
|
29
|
|
30
|
attemptAsyncOperation('test input', function(err, errors, result) {
|
31
|
console.warn('err:');
|
32
|
console.log(err);
|
33
|
|
34
|
console.warn('result:');
|
35
|
console.log(result);
|
36
|
});
|
37
|
|
38
|
function failingAsyncOperation(input, cb) {
|
39
|
return setImmediate(cb.bind(null, new Error('A fatal error')));
|
40
|
}
|