funcenter

README

funcenter

😄 funcenter is a function middleware system

funcenter allows you to create middlewares for functions, allowing you to have a clean codebase while having per-function tracing/logging/etc capabilities

Usage

See the examples directory

Install

$ go get -u moul.io/funcenter

License

© 2019 Manfred Touron - Apache-2.0 License

Documentation

Index

• func Close(ctx context.Context)
• func Enter(ctx context.Context, args ...interface{}) context.Context
• func Leave(ctx context.Context)
• func New(ctx context.Context, middlewares ...Middleware) (context.Context, error)
• type Middleware
  • func GetMiddlewares(ctx context.Context) []Middleware
  • func OnCloseMiddleware(fn func(context.Context)) Middleware
  • func OnEnterMiddleware(fn func(context.Context, ...interface{}) context.Context) Middleware
  • func OnInitMiddleware(fn func(context.Context) (context.Context, error)) Middleware
  • func OnLeaveMiddleware(fn func(context.Context)) Middleware

Functions

func Close

func Close(ctx context.Context)

func Enter

func Enter(ctx context.Context, args ...interface{}) context.Context

func Leave

func Leave(ctx context.Context)

func New

func New(ctx context.Context, middlewares ...Middleware) (context.Context, error)

Types

type Middleware

type Middleware interface {
	OnInit(context.Context) (context.Context, error)
	OnEnter(context.Context, ...interface{}) context.Context
	OnLeave(context.Context)
	OnClose(context.Context)
}

func GetMiddlewares

func GetMiddlewares(ctx context.Context) []Middleware

func OnCloseMiddleware

func OnCloseMiddleware(fn func(context.Context)) Middleware

func OnEnterMiddleware

func OnEnterMiddleware(fn func(context.Context, ...interface{}) context.Context) Middleware

func OnInitMiddleware

func OnInitMiddleware(fn func(context.Context) (context.Context, error)) Middleware

func OnLeaveMiddleware

func OnLeaveMiddleware(fn func(context.Context)) Middleware