(err error, backoffMode BackoffMode)
| 45 | } |
| 46 | |
| 47 | func shouldBlock(err error, backoffMode BackoffMode) bool { |
| 48 | if backoffMode == NoBackoff { |
| 49 | return false |
| 50 | } |
| 51 | |
| 52 | errMsg := errors.MessageFirstLine(err) |
| 53 | now := time.Now() |
| 54 | |
| 55 | if backoffMode == BackoffAnyMessages { |
| 56 | errMsg = "<msg>" |
| 57 | } |
| 58 | |
| 59 | defer func() { |
| 60 | go cleanupCache() |
| 61 | }() |
| 62 | |
| 63 | _errorCache.Lock() |
| 64 | defer _errorCache.Unlock() |
| 65 | |
| 66 | errStatus, ok := _errorCache.m[errMsg] |
| 67 | |
| 68 | if !ok || time.Since(errStatus.LastSeenTime) > _cacheEvictionPeriod { |
| 69 | _errorCache.m[errMsg] = &errorStatus{ |
| 70 | LastReportTime: now, |
| 71 | LastSeenTime: now, |
| 72 | CoolDownPeriod: _initialCoolDownPeriod, |
| 73 | } |
| 74 | return false |
| 75 | } |
| 76 | |
| 77 | if time.Since(errStatus.LastReportTime) > errStatus.CoolDownPeriod { |
| 78 | errStatus.LastSeenTime = now |
| 79 | errStatus.LastReportTime = now |
| 80 | errStatus.CoolDownPeriod = time.Duration(float64(errStatus.CoolDownPeriod.Nanoseconds())*_coolDownFactor) * time.Nanosecond |
| 81 | if errStatus.CoolDownPeriod > _maxCoolDownPeriod { |
| 82 | errStatus.CoolDownPeriod = _maxCoolDownPeriod |
| 83 | } |
| 84 | return false |
| 85 | } |
| 86 | |
| 87 | errStatus.LastSeenTime = now |
| 88 | return true |
| 89 | } |
| 90 | |
| 91 | func cleanupCache() { |
| 92 | staleErrorMessages := findStaleCachedErrors() |
no test coverage detected