Function IsUnexpectedCloseError

conn.go:164–174

IsUnexpectedCloseError returns boolean indicating whether the error is a *CloseError with a code not in the list of expected codes.

(err error, expectedCodes ...int)

// IsUnexpectedCloseError returns boolean indicating whether the error is a
// *CloseError with a code not in the list of expected codes.
func IsUnexpectedCloseError(err error, expectedCodes ...int) bool {
	if e, ok := err.(*CloseError); ok {
		for _, code := range expectedCodes {
			if e.Code == code {
				return false
			}
		}
		return true
	}
	return false
}

var (
	errWriteTimeout        = &netError{msg: "websocket: write timeout", timeout: true, temporary: true}