-
-
Notifications
You must be signed in to change notification settings - Fork 1.6k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
add example for http rate llimit (#3072)
- Loading branch information
Showing
3 changed files
with
55 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/gogf/gf/v2/frame/g" | ||
| "github.com/gogf/gf/v2/net/ghttp" | ||
| "golang.org/x/time/rate" | ||
| ) | ||
|
|
||
| type HelloReq struct { | ||
| g.Meta `path:"/hello" method:"get" sort:"1"` | ||
| Name string `v:"required" dc:"Your name"` | ||
| } | ||
|
|
||
| type HelloRes struct { | ||
| Reply string `dc:"Reply content"` | ||
| } | ||
|
|
||
| type Hello struct{} | ||
|
|
||
| func (Hello) Say(ctx context.Context, req *HelloReq) (res *HelloRes, err error) { | ||
| g.Log().Debugf(ctx, `receive say: %+v`, req) | ||
| res = &HelloRes{ | ||
| Reply: fmt.Sprintf(`Hi %s`, req.Name), | ||
| } | ||
| return | ||
| } | ||
|
|
||
| var limiter = rate.NewLimiter(rate.Limit(10), 1) // 10 request per second | ||
|
|
||
| func Limiter(r *ghttp.Request) { | ||
| if !limiter.Allow() { | ||
| r.Response.WriteStatusExit(429) | ||
| r.ExitAll() | ||
| } | ||
| r.Middleware.Next() | ||
| } | ||
|
|
||
| // curl "http://127.0.0.1:8080/hello?name=world" | ||
| func main() { | ||
| s := g.Server() | ||
| s.Use(Limiter, ghttp.MiddlewareHandlerResponse) | ||
| s.Group("/", func(group *ghttp.RouterGroup) { | ||
| group.Bind( | ||
| new(Hello), | ||
| ) | ||
| }) | ||
| s.SetPort(8080) | ||
| s.Run() | ||
| } |