Move code to pkg

middlewares/maxconnection/max_connection.go

@@ -1,48 +0,0 @@
-package maxconnection
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-
-	"github.com/containous/traefik/config"
-	"github.com/containous/traefik/middlewares"
-	"github.com/containous/traefik/tracing"
-	"github.com/opentracing/opentracing-go/ext"
-	"github.com/vulcand/oxy/connlimit"
-	"github.com/vulcand/oxy/utils"
-)
-
-const (
-	typeName = "MaxConnection"
-)
-
-type maxConnection struct {
-	handler http.Handler
-	name    string
-}
-
-// New creates a max connection middleware.
-func New(ctx context.Context, next http.Handler, maxConns config.MaxConn, name string) (http.Handler, error) {
-	middlewares.GetLogger(ctx, name, typeName).Debug("Creating middleware")
-
-	extractFunc, err := utils.NewExtractor(maxConns.ExtractorFunc)
-	if err != nil {
-		return nil, fmt.Errorf("error creating connection limit: %v", err)
-	}
-
-	handler, err := connlimit.New(next, extractFunc, maxConns.Amount)
-	if err != nil {
-		return nil, fmt.Errorf("error creating connection limit: %v", err)
-	}
-
-	return &maxConnection{handler: handler, name: name}, nil
-}
-
-func (mc *maxConnection) GetTracingInformation() (string, ext.SpanKindEnum) {
-	return mc.name, tracing.SpanKindNoneEnum
-}
-
-func (mc *maxConnection) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
-	mc.handler.ServeHTTP(rw, req)
-}