net/http

Question 1

What function starts the default http server?

Answer 1

func ListenAndServer(addr string, handler Handler) error

Question 2

Write a simple handler?

Answer 2

f := func(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf("Hello, world!\n")
h := http.HandlerFunc(f)
}

Question 3

What settings help with a client that’s slow to send it request to the server?

Answer 3

http.Server {
    ReadTimeout time.Duration
}

Question 4

What would with a slow server handler?

Answer 4

Wrap it with the http.TimeoutHandler

http.TimeoutHandler(h http.Handler, dt time.Duration, msg string) http.Handler

Question 5

What does net/http provide to deal with multiple handlers?

Answer 5

The HTTP request multiplexer http.ServeMux. The multiplexer is itself a http.Handler.

mux := http.NewServeMux()
mux.HandleFunc("/1", handleOne)
mux.HandleFunc("/2", handleTwo)