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Documentation

Index

• Constants
• Variables
• func Char2Int(code string, base uint64) (uint64, error)
• func GenAutoId(client *redisc.RedisCli) uint64
• func GenAutoIdByClu(client *redisc.RedisClusterCli) uint64
• func GenAutoIdByKey(client *redisc.RedisCli, counterGroupKey string) uint64
• func GenAutoIdByKeyClu(client *redisc.RedisClusterCli, counterGroupKey string) uint64
• func GenAutoIds(n uint64, client *redisc.RedisCli) []uint64
• func GenAutoIdsByClu(n uint64, client *redisc.RedisClusterCli) []uint64
• func GenAutoIdsByKey(n uint64, client *redisc.RedisCli, counterGroupKey string) []uint64
• func GenAutoIdsByKeyClu(n uint64, client *redisc.RedisClusterCli, counterGroupKey string) []uint64
• func Int2Char(number, base uint64) (string, error)
• func IsAllowedByMap(userId, actionKey string, capacity int64, leakingRate float64) bool
• func IsAllowedByRedis(userId, actionKey string, capacity int64, leakingRate float64, ...) bool
• func IsAllowedByRedisCluster(userId, actionKey string, capacity int64, leakingRate float64, ...) bool
• func IsLimitedByMap(userId, actionKey string, capacity int, leakingRate float64) bool
• func IsLimitedByRedis(userId, actionKey string, capacity int, leakingRate float64, ...) bool
• func IsLimitedByRedisCluster(userId, actionKey string, capacity int, leakingRate float64, ...) bool
• type ShortUrl
  • func (su *ShortUrl) ConvLongUrl(shortUrl string) (string, error)
  • func (su *ShortUrl) GenShortUrl(longUrl string) (string, error)

Constants

const (
	MAX_RANDOM_NUMBER             = 256
	SALT_ONE_LENGTH               = 8
	SALT_TWO_LENGTH               = 8
	SALT_ONE_SHIFT                = SALT_TWO_LENGTH
	INCREASE_COUNTER_SHIFT        = SALT_TWO_LENGTH + SALT_ONE_LENGTH
	AUTO_ID_GENERATOR_COUNTER_KEY = "auto_id_generator_counter_key"
)

Variables

var (
	SHORT_URL_INFO_INDEX          = "short_url_info_index"
	SHORT_URL_INFO_INDEX_DOC_TYPE = "short_url_info_index_doc_type"

	BASE_STR  = "RScdTU567rstu89ABCDijnopEFGefwxHIJ01klm2ghqv34KLMNOPQVWXYZabyz"
	BASE_CHAR = []string{"R", "S", "c", "d", "T", "U", "5", "6", "7", "r", "s", "t", "u", "8", "9", "A", "B", "C", "D", "i", "j", "n", "o", "p", "E", "F", "G", "e", "f", "w", "x", "H", "I", "J", "0", "1", "k", "l", "m", "2", "g", "h", "q", "v", "3", "4", "K", "L", "M", "N", "O", "P", "Q", "V", "W", "X", "Y", "Z", "a", "b", "y", "z"}
)

Functions

func Char2Int

func Char2Int(code string, base uint64) (uint64, error)

func GenAutoId

func GenAutoId(client *redisc.RedisCli) uint64

func GenAutoIdByClu

func GenAutoIdByClu(client *redisc.RedisClusterCli) uint64

func GenAutoIdByKey

func GenAutoIdByKey(client *redisc.RedisCli, counterGroupKey string) uint64

func GenAutoIdByKeyClu

func GenAutoIdByKeyClu(client *redisc.RedisClusterCli, counterGroupKey string) uint64

func GenAutoIds

func GenAutoIds(n uint64, client *redisc.RedisCli) []uint64

func GenAutoIdsByClu

func GenAutoIdsByClu(n uint64, client *redisc.RedisClusterCli) []uint64

func GenAutoIdsByKey

func GenAutoIdsByKey(n uint64, client *redisc.RedisCli, counterGroupKey string) []uint64

func GenAutoIdsByKeyClu

func GenAutoIdsByKeyClu(n uint64, client *redisc.RedisClusterCli, counterGroupKey string) []uint64

func Int2Char

func Int2Char(number, base uint64) (string, error)

func IsAllowedByMap

func IsAllowedByMap(userId, actionKey string, capacity int64, leakingRate float64) bool

func IsAllowedByRedis

func IsAllowedByRedis(userId, actionKey string, capacity int64, leakingRate float64, client *redisc.RedisCli) bool

func IsAllowedByRedisCluster

func IsAllowedByRedisCluster(userId, actionKey string, capacity int64, leakingRate float64, client *redisc.RedisClusterCli) bool

func IsLimitedByMap

func IsLimitedByMap(userId, actionKey string, capacity int, leakingRate float64) bool

func IsLimitedByRedis

func IsLimitedByRedis(userId, actionKey string, capacity int, leakingRate float64, client *redisc.RedisCli) bool

func IsLimitedByRedisCluster

func IsLimitedByRedisCluster(userId, actionKey string, capacity int, leakingRate float64, client *redisc.RedisClusterCli) bool

Types

type ShortUrl

type ShortUrl struct {
	BaseUrl  string                  // The url or domain name of the server, e.g. http://127.0.0.1:8080/api/d/
	Rediscli *redisc.RedisCli        // redis Standalone Client or Cluster Either one can be initialized
	Redisclu *redisc.RedisClusterCli // redis Standalone Client or Cluster Either one can be initialized
	Esc7     *esc.EsClient7          // Just choose any one of the different versions of ES to initialize
	Esc8     *esc.EsClient8          // Just choose any one of the different versions of ES to initialize
}

func (*ShortUrl) ConvLongUrl

func (su *ShortUrl) ConvLongUrl(shortUrl string) (string, error)

func (*ShortUrl) GenShortUrl

func (su *ShortUrl) GenShortUrl(longUrl string) (string, error)