Golang throttled基于GCRA速率限制库使用探索

import (
“github.com/throttled/sthrottled/v2”
)

go get -u github.com/throttled/throttled/v2

memstore.New => memstore.NewCtx
goredisstore.New => goredisstore.NewCtx
redigostore.New => redigostore.NewCtx
throttled.NewGCRARateLimiter => throttled.NewGCRARateLimiterCtx
throttled.HTTPRateLimiter => throttled.HTTPRateLimiterCtx

package main
import (
 "fmt"
 "log"
 "net/http"
 "github.com/throttled/throttled/v2"
 "github.com/throttled/throttled/v2/store/memstore"
)
func myHandlerFunc(w http.ResponseWriter, r *http.Request) {
 fmt.Fprintf(w, "Hello, world")
}
func main() {
 store, err := memstore.NewCtx(65536)
 if err != nil {
  log.Fatal(err)
 }
 quota := throttled.RateQuota{
  MaxRate:  throttled.PerMin(20),
  MaxBurst: 5,
 }
 rateLimiter, err := throttled.NewGCRARateLimiterCtx(store, quota)
 if err != nil {
  log.Fatal(err)
 }
 httpRateLimiter := throttled.HTTPRateLimiterCtx{
  RateLimiter: rateLimiter,
  VaryBy:      &throttled.VaryBy{Path: true},
 }
 handler := http.HandlerFunc(myHandlerFunc)
 http.ListenAndServe(":8080", httpRateLimiter.RateLimit(handler))
}