go http client timeout

timeout := time.Duration(5 * time.Second)
client := http.Client{
    Timeout: timeout,
}
client.Get(url)


///////////////////////////////////////////////////////

var timeout = time.Duration(2 * time.Second)

func dialTimeout(network, addr string) (net.Conn, error) {
    return net.DialTimeout(network, addr, timeout)
}

func main() {
    transport := http.Transport{
        Dial: dialTimeout,
    }

    client := http.Client{
        Transport: &transport,
    }

    resp, err := client.Get("http://some.url")
}


/////////////////////////////////////////////////////////////////

package httpclient

import (
    "net"
    "net/http"
    "time"
)

func TimeoutDialer(cTimeout time.Duration, rwTimeout time.Duration) func(net, addr string) (c net.Conn, err error) {
    return func(netw, addr string) (net.Conn, error) {
        conn, err := net.DialTimeout(netw, addr, cTimeout)
        if err != nil {
            return nil, err
        }
        conn.SetDeadline(time.Now().Add(rwTimeout))
        return conn, nil
    }
}

func NewTimeoutClient(connectTimeout time.Duration, readWriteTimeout time.Duration) *http.Client {

    return &http.Client{
        Transport: &http.Transport{
            Dial: TimeoutDialer(connectTimeout, readWriteTimeout),
        },
    }
}