/
example_ratelimiter.go
73 lines (60 loc) · 1.51 KB
/
example_ratelimiter.go
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package main
import (
"fmt"
"os"
"time"
"log"
"sync"
"github.com/go-redis/redis"
ratelimiter "github.com/teambition/ratelimiter-go"
)
type redisClient struct {
*redis.Client
}
func (c *redisClient) RateDel(key string) error {
return c.Del(key).Err()
}
func (c *redisClient) RateEvalSha(sha1 string, keys []string, args ...interface{}) (interface{}, error) {
return c.EvalSha(sha1, keys, args...).Result()
}
func (c *redisClient) RateScriptLoad(script string) (string, error) {
return c.ScriptLoad(script).Result()
}
func main() {
var wg sync.WaitGroup
redisAddr := os.Getenv("REDIS_HOST") + ":" + os.Getenv("REDIS_PORT")
log.Println("REDIS=", redisAddr)
now := time.Now()
client := redis.NewClient(&redis.Options{
Addr: redisAddr,
Password: "",
DB: 0,
})
client.Ping()
log.Println("Connect.Since=", time.Since(now))
now = time.Now()
limiter := ratelimiter.New(ratelimiter.Options{
Max: 10,
Duration: time.Second,
Client: &redisClient{client},
})
keys := []string{"key001", "key002"}
for _, key := range keys {
wg.Add(1)
go func(keyVal string) {
defer wg.Done()
for i := 0; i < 100; i++ {
res, err := limiter.Get(keyVal)
if err != nil {
panic(err)
}
fmt.Println(time.Now().Format("15:04:05.999"), keyVal, "limiter=", res.Total, res.Remaining,
"Duration:", res.Duration, "Reset:", res.Reset)
time.Sleep(10 * time.Millisecond)
}
log.Println("End.Since=", time.Since(now))
}(key)
}
log.Println("Wait....", time.Since(now))
wg.Wait()
}