package server import ( "net/http" "time" ptypes "github.com/traefik/paerser/types" "github.com/traefik/traefik/v2/pkg/log" ) func newKeepAliveMiddleware(next http.Handler, maxRequests int, maxTime ptypes.Duration) http.Handler { return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { state, ok := req.Context().Value(connStateKey).(*connState) if ok { state.HTTPRequestCount++ if maxRequests > 0 && state.HTTPRequestCount >= maxRequests { log.WithoutContext().Debug("Close because of too many requests") state.KeepAliveState = "Close because of too many requests" rw.Header().Set("Connection", "close") } if maxTime > 0 && time.Now().After(state.Start.Add(time.Duration(maxTime))) { log.WithoutContext().Debug("Close because of too long connection") state.KeepAliveState = "Close because of too long connection" rw.Header().Set("Connection", "close") } } next.ServeHTTP(rw, req) }) }