本文整理汇总了Golang中github.com/letsencrypt/boulder/ratelimit.RateLimitPolicy.WindowBegin方法的典型用法代码示例。如果您正苦于以下问题：Golang RateLimitPolicy.WindowBegin方法的具体用法？Golang RateLimitPolicy.WindowBegin怎么用？Golang RateLimitPolicy.WindowBegin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/letsencrypt/boulder/ratelimit.RateLimitPolicy的用法示例。
在下文中一共展示了RateLimitPolicy.WindowBegin方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: checkCertificatesPerNameLimit
func (ra *RegistrationAuthorityImpl) checkCertificatesPerNameLimit(ctx context.Context, names []string, limit ratelimit.RateLimitPolicy, regID int64) error {
names, err := domainsForRateLimiting(names)
if err != nil {
return err
}
now := ra.clk.Now()
windowBegin := limit.WindowBegin(now)
counts, err := ra.SA.CountCertificatesByNames(ctx, names, windowBegin, now)
if err != nil {
return err
}
var badNames []string
for _, name := range names {
count, ok := counts[name]
if !ok {
// Shouldn't happen, but let's be careful anyhow.
return errors.New("StorageAuthority failed to return a count for every name")
}
if count >= limit.GetThreshold(name, regID) {
badNames = append(badNames, name)
}
}
if len(badNames) > 0 {
// check if there is already a existing certificate for
// the exact name set we are issuing for. If so bypass the
// the certificatesPerName limit.
exists, err := ra.SA.FQDNSetExists(ctx, names)
if err != nil {
return err
}
if exists {
ra.certsForDomainStats.Inc("FQDNSetBypass", 1)
return nil
}
domains := strings.Join(badNames, ", ")
ra.certsForDomainStats.Inc("Exceeded", 1)
ra.log.Info(fmt.Sprintf("Rate limit exceeded, CertificatesForDomain, regID: %d, domains: %s", regID, domains))
return core.RateLimitedError(fmt.Sprintf(
"Too many certificates already issued for: %s", domains))
}
ra.certsForDomainStats.Inc("Pass", 1)
return nil
}