Esempio n. 1
0
// Implements set method
func (enum *Ascii_protocol_enum) set(storage *cache.LRUCache) (string, error) {
	if storage.Set(tools.NewStoredData(enum.data_string, enum.key[0]), enum.flags, enum.exptime, 0) {
		return STORED, nil
	} else {
		return strings.Replace(SERVER_ERROR_TEMP, "%s", "Not enough memory", 1), errors.New("SERVER_ERROR")
	}
}
Esempio n. 2
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// Implements touch method
func (enum *Ascii_protocol_enum) touch(storage *cache.LRUCache) (string, error) {
	if item := storage.Get(enum.key[0]); item == nil {
		return NOT_FOUND, nil
	} else {
		if !storage.Set(item.Cacheable, item.Flags, enum.exptime, item.Cas_unique) {
			return strings.Replace(SERVER_ERROR_TEMP, "%s", "Not enough memory", 1), errors.New("SERVER_ERROR")
		}
		return "TOUCHED\r\n", nil
	}
}
Esempio n. 3
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// Utility method, for joining common parts of incr/decr methods.
// Receives additional param sign, which defines operation: -1 or 1
func (enum *Ascii_protocol_enum) fold(storage *cache.LRUCache, sign int) (string, error) {
	if item := storage.Get(enum.key[0]); item != nil && (sign == 1 || sign == -1) {
		existed_data := tools.ExtractStoredData(item.Cacheable)
		if existed_data != nil {
			evaluated_data_for_existed, err_for_existed := tools.StringToInt64(string(existed_data))
			evaluated_data_for_passed, err_for_passed := tools.StringToUInt64(string(enum.data_string))
			if err_for_existed == nil && err_for_passed == nil {
				var result string
				if sign > 0 {
					result = tools.IntToString(evaluated_data_for_existed + int64(evaluated_data_for_passed))
				} else {
					result = tools.IntToString(evaluated_data_for_existed - int64(evaluated_data_for_passed))
				}
				if storage.Set(tools.NewStoredData([]byte(result), enum.key[0]), item.Flags, item.Exptime, 0) {
					return result + "\r\n", nil
				}
				return strings.Replace(SERVER_ERROR_TEMP, "%s", "Not enough memory", 1), errors.New("SERVER_ERROR")
			}
			return ERROR_TEMP, nil
		}
	}
	return NOT_FOUND, nil
}