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change intervals formatting to match nginx

Browse source 
see http://wiki.nginx.org/ConfigNotation
This commit is contained in:
Alex Kocharin 2014-03-08 04:37:16 +00:00
parent 6a2a463b76
commit 48825a2e46
3 changed files with 37 additions and 10 deletions
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24
lib/config.js
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@ -152,20 +152,32 @@ Config.prototype.authenticate = function(user, password) {
module.exports = Config
var parse_interval_table = {
'': 1,
'': 1000,
ms: 1,
s: 1000,
m: 60*1000,
h: 60*60*1000,
d: 86400000,
w: 7*86400000,
M: 30*86400000,
y: 365.25*30*86400000,
y: 365*86400000,
}
module.exports.parse_interval = function(interval) {
if (typeof(interval) === 'number') return interval
var m = interval.match(/^((0|[1-9][0-9]*)(\.[0-9]+)?)(ms|s|m|h|d|M|y|)$/)
if (!m) throw new Error('invalid interval: ' + interval)
return Number(m[1]) * parse_interval_table[m[4]]
if (typeof(interval) === 'number') return interval * 1000
var result = 0
var last_suffix = Infinity
interval.split(/\s+/).forEach(function(x) {
var m = x.match(/^((0|[1-9][0-9]*)(\.[0-9]+)?)(ms|s|m|h|d|w|M|y|)$/)
if (!m
|| parse_interval_table[m[4]] >= last_suffix
|| (m[4] === '' && last_suffix !== Infinity)) {
throw new Error('invalid interval: ' + interval)
}
last_suffix = parse_interval_table[m[4]]
result += Number(m[1]) * parse_interval_table[m[4]]
})
return result
}

3
lib/up-storage.js
View file

@ -35,6 +35,9 @@ function Storage(config, mainconfig) {
this.config.url = this.config.url.replace(/\/$/, '')
this.maxage = parse_interval(this.config.maxage || '2m')
if (Number(this.config.timeout) >= 1000) {
this.logger.warn('Too big timeout value: ' + this.config.timeout + '\nWe changed time format to nginx-like one\n(see http://wiki.nginx.org/ConfigNotation)\nso please update your config accordingly')
}
this.timeout = parse_interval(this.config.timeout || '30s')
this.max_fails = Number(this.config.max_fails) || 2
this.fail_timeout = parse_interval(this.config.fail_timeout || '5m')

20
test/unit/parse_interval.js
View file

@ -4,18 +4,30 @@ var assert = require('assert')
describe('Parse interval', function() {
function add_test(str, res) {
it('parse ' + str, function() {
assert.strictEqual(parse_interval(str), res)
if (res === null) {
assert.throws(function() {
console.log(parse_interval(str))
})
} else {
assert.strictEqual(parse_interval(str), res)
}
})
}
add_test(12345, 12345)
add_test('1000', 1000)
add_test(12345, 12345000)
add_test('1000', 1000000)
add_test('1.5s', 1500)
add_test('25ms', 25)
add_test('2m', 2*1000*60)
add_test('3h', 3*1000*60*60)
add_test('0.5d', 0.5*1000*60*60*24)
add_test('0.5w', 0.5*1000*60*60*24*7)
add_test('1M', 1000*60*60*24*30)
add_test('1y', 1000*60*60*24*30*365.25)
add_test('5s 20ms', 5020)
add_test('1y', 1000*60*60*24*365)
add_test('1y 5', null)
add_test('1m 1m', null)
add_test('1m 1y', null)
add_test('1y 1M 1w 1d 1h 1m 1s 1ms', 34822861001)
})