"net/http"
	"syscall"
	"time"

	"github.com/minio/pkg/v3/certs"
)

// tlsClientSessionCacheSize is the cache size for client sessions.
var tlsClientSessionCacheSize = 100

const (
	WriteBufferSize = 64 << 10 // WriteBufferSize 64KiB moving up from 4KiB default
	ReadBufferSize  = 64 << 10 // ReadBufferSize 64KiB moving up from 4KiB default
)

// ConnSettings - contains connection settings.
type ConnSettings struct {

	u, err := url.Parse(endpoint)
	if err != nil {
		panic(err)
	}

	tr := &http.Transport{
		Proxy:                 http.ProxyFromEnvironment,
		MaxIdleConnsPerHost:   1024,
		WriteBufferSize:       32 << 10, // 32KiB moving up from 4KiB default
		ReadBufferSize:        32 << 10, // 32KiB moving up from 4KiB default
		IdleConnTimeout:       15 * time.Second,

		toDial = strings.Replace(toDial, "https://", "wss://", 1)
		toDial += RoutePath

		dialer := ws.DefaultDialer
		dialer.ReadBufferSize = readBufferSize
		dialer.WriteBufferSize = writeBufferSize
		dialer.Timeout = defaultDialTimeout
		if c.dialer != nil {
			dialer.NetDial = c.dialer.DialContext
		}
		if c.header == nil {
			c.header = make(http.Header, 2)
		}

	// To use a custom dialer or TLS config and still attempt HTTP/2
	// upgrades, set this to true.
	ForceAttemptHTTP2 bool
}

func (t *Transport) writeBufferSize() int {
	if t.WriteBufferSize > 0 {
		return t.WriteBufferSize
	}
	return 4 << 10
}

func (t *Transport) readBufferSize() int {
	if t.ReadBufferSize > 0 {
		return t.ReadBufferSize
	}
	return 4 << 10
}

		ForceAttemptHTTP2:      true,
		TLSNextProto: map[string]func(authority string, c *tls.Conn) RoundTripper{
			"foo": func(authority string, c *tls.Conn) RoundTripper { panic("") },
		},
		ReadBufferSize:  1,
		WriteBufferSize: 1,
	}
	tr2 := tr.Clone()
	rv := reflect.ValueOf(tr2).Elem()
	rt := rv.Type()
	for i := 0; i < rt.NumField(); i++ {
		sf := rt.Field(i)
		if !token.IsExported(sf.Name) {
			continue
		}

		{"Transport.ResponseHeaderTimeout", Field, 1},
		{"Transport.TLSClientConfig", Field, 0},
		{"Transport.TLSHandshakeTimeout", Field, 3},
		{"Transport.TLSNextProto", Field, 6},
		{"Transport.WriteBufferSize", Field, 13},
	},
	"net/http/cgi": {
		{"(*Handler).ServeHTTP", Method, 0},
		{"Handler", Type, 0},
		{"Handler.Args", Field, 0},
		{"Handler.Dir", Field, 0},
		{"Handler.Env", Field, 0},

pkg net/http, type Transport struct, ForceAttemptHTTP2 bool
pkg net/http, type Transport struct, ReadBufferSize int
pkg net/http, type Transport struct, WriteBufferSize int
pkg net, method (*DNSConfigError) Unwrap() error
pkg net, method (*OpError) Unwrap() error
pkg net, type DNSError struct, IsNotFound bool
pkg net, type ListenConfig struct, KeepAlive time.Duration