gin-throttle

The gin-throttle is a rate limiter for Gin framework.

Original credit to golang.org/x/time/rate, this repo makes it work with gin.HandlerFunc in Gin framework.

Usage

Download and install it：

go get github.com/gin-gonic/gin

Import it in your code：

import "github.com/s12i/gin-throttle"

Example

package main

import (
	"github.com/gin-gonic/gin"
	"github.com/s12i/gin-throttle"
)

func main() {
	router := gin.Default()

	maxEventsPerSec := 1000
	maxBurstSize := 20
	router.Use(middleware.Throttle(maxEventsPerSec, maxBurstSize))

	router.GET("/ping", func(c *gin.Context) {
		c.JSON(200, gin.H{
			"message": "pong",
		})
	})

	router.Run() // listen and serve on 0.0.0.0:8080
}

Benchmark

❯ wrk -t12 -c400 -d20s http://localhost:8080/ping
Running 20s test @ http://localhost:8080/ping
  12 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    34.19ms   28.57ms 465.71ms   70.47%
    Req/Sec     1.05k   200.17     1.69k    79.12%
  251406 requests in 20.07s, 22.54MB read
  Non-2xx or 3xx responses: 231620
Requests/sec:  12528.62
Transfer/sec:      1.12MB

License

The gin-throttle is open-sourced software licensed under the MIT license.