func requestCtrMiddleware(next httpctx.Handler) httpctx.Handler {
return httpctx.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
counter.Incr(1)
hitsperminute.Set(counter.Rate())
next.ServeHTTP(ctx, w, r)
})
}
func userIPMiddleware(next httpctx.Handler) httpctx.Handler {
return httpctx.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
if userIP, ok := userip.FromRequest(r); ok == nil {
ctx = userip.NewContext(ctx, userIP)
}
next.ServeHTTP(ctx, w, r)
})
}
func requestIDMiddleware(next httpctx.Handler) httpctx.Handler {
return httpctx.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
if reqID, ok := requestid.FromRequest(r); ok == nil {
ctx = requestid.NewContext(ctx, reqID)
}
next.ServeHTTP(ctx, w, r)
})
}