mmw

// create a sink to use
inm := metrics.NewInmemSink(10*time.Millisecond, 50*time.Millisecond)

// create a default metrics config, without hostname
conf := metrics.DefaultConfig("test")
conf.EnableHostname = false

// now use that config and sink with metrics
m, _ := metrics.New(conf, inm)

// simple http handler
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
	w.WriteHeader(200)
	fmt.Fprint(w, "Hello World\n")
})

// create a new mw wrapping the metrics
mw := New(m)

// wrap the handler and add to a route
http.Handle("/foo", mw.Handler(handler, "testing"))

// every time "/foo" is access, the middleware will emit two metrics
// it will increment the counter "test.testing.count"
// and add a time sample to "test.testing.time"

http.Handle("/bar", mw.Handler(handler, "another"))

// every time "/bar" is access, the middleware will emit two metrics
// it will increment the counter "test.another.count"
// and add a time sample to "test.another.time"

http.ListenAndServe(":8080", nil)