Skip to content

Shareed2k/go_limiter

Repository files navigation

Rate limiting with few algorithms (Sliding Window, Leaky Bucket)

Build Status

This package is based on go-redis/redis_rate and implements GCRA (aka leaky bucket) for rate limiting based on Redis. The code requires Redis version 3.2 or newer since it relies on replicate_commands feature.

Installation

go_limiter requires a Go version with Modules support and uses import versioning. So please make sure to initialize a Go module before installing go_limiter:

go get github.com/shareed2k/go_limiter

Import:

import "github.com/shareed2k/go_limiter"

Examplle

import ( "log" "time" "github.com/redis/go-redis/v9" "github.com/shareed2k/go_limiter" ) func main() { option, err := redis.ParseURL("redis://127.0.0.1:6379/0") if err != nil { log.Fatal(err)	} client := redis.NewClient(option) _ = client.FlushDB().Err() limiter := go_limiter.NewLimiter(client) res, err := limiter.Allow("api_gateway_cache:klu4ik", &go_limiter.Limit{ // or you can use go_limiter.SlidingWindowAlgorithm Algorithm: go_limiter.GCRAAlgorithm, Rate: 10, Period: 2 * time.Minute, Burst: 10,	}) if err != nil { log.Fatal(err)	} log.Println("===> ", res.Allowed, res.Remaining) // Output: true 1 } 

Packages

No packages published

Contributors 5