[go-nuts] http Transport dies too slowly

[chuvak117]

Hi, i have memory leaks cause http Transport dies too slowly. I'v creating 
Transports for checking proxy every 2 minute, so new Transports creates 
faster that old dies.

Here i'm checking

func checkProxySOCKS(prox string, c chan QR, wg *sync.WaitGroup) (err error) 
{

    defer wg.Done()

    dialer, err := proxy.SOCKS5("tcp", prox, nil, proxy.Direct)
    if err != nil {
        return
    }

    timeout := time.Duration(1 * time.Second)

    httpClient := &http.Client{
        Timeout: timeout,
        Transport: &http.Transport{
            DisableKeepAlives: true,
            Dial: dialer.Dial,
        },
    }

    res, err := httpClient.Get("https://telegram.org/";)
    if err != nil {

        c <- QR{Addr: prox, Res: false}
        return
    }

    defer res.Body.Close()
    io.Copy(ioutil.Discard, res.Body)

    c <- QR{Addr: prox, Res: true}

    return nil
}


Here i'm create it

    for _, proxy := range splitedProxies {
        wg.Add(1)
        go checkProxySOCKS(proxy, respChan, &wg)
    }

    for range splitedProxies {
        wg.Add(1)
        r := <-respChan
        if r.Res {
            checkedProxiesArray = append(checkedProxiesArray, r.Addr)
        }
        wg.Done()
    }

    wg.Wait()



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