if oldState != http.StateActive {
					panic("invalid state transition")
				}
				s.conns[c] = cs
			}
			if s.closed {
				s.closeConn(c)
			}
		case http.StateHijacked, http.StateClosed:
			// Remove c from the set of tracked conns and decrement it from the
			// waitgroup, unless it was previously removed.
			if _, ok := s.conns[c]; ok {
				delete(s.conns, c)

	// for a new request. Connections transition from StateIdle
	// to either StateActive or StateClosed.
	StateIdle

	// StateHijacked represents a hijacked connection.
	// This is a terminal state. It does not transition to StateClosed.
	StateHijacked

	// StateClosed represents a closed connection.
	// This is a terminal state. Hijacked connections do not
	// transition to StateClosed.

pkg net/http, const StateActive = 1
pkg net/http, const StateActive ConnState
pkg net/http, const StateClosed = 4
pkg net/http, const StateClosed ConnState
pkg net/http, const StateHijacked = 3
pkg net/http, const StateHijacked ConnState
pkg net/http, const StateIdle = 2
pkg net/http, const StateIdle ConnState
pkg net/http, const StateNew = 0
pkg net/http, const StateNew ConnState

	}, StateNew, StateActive, StateIdle, StateActive, StateClosed)

	wantLog(func() {
		mustGet(ts.URL + "/hijack")
	}, StateNew, StateActive, StateHijacked)

	wantLog(func() {
		mustGet(ts.URL + "/hijack-panic")
	}, StateNew, StateActive, StateHijacked)

	wantLog(func() {
		c, err := net.Dial("tcp", ts.Listener.Addr().String())
		if err != nil {
			t.Fatal(err)
		}
		c.Close()

}

// setConnState calls the net/http ConnState hook for this connection, if configured.
// Note that the net/http package does StateNew and StateClosed for us.
// There is currently no plan for StateHijacked or hijacking HTTP/2 connections.
func (sc *http2serverConn) setConnState(state ConnState) {
	if sc.hs.ConnState != nil {
		sc.hs.ConnState(sc.conn, state)
	}
}

		{"Server.TLSNextProto", Field, 1},
		{"Server.WriteTimeout", Field, 0},
		{"ServerContextKey", Var, 7},
		{"SetCookie", Func, 0},
		{"StateActive", Const, 3},
		{"StateClosed", Const, 3},
		{"StateHijacked", Const, 3},
		{"StateIdle", Const, 3},
		{"StateNew", Const, 3},
		{"StatusAccepted", Const, 0},
		{"StatusAlreadyReported", Const, 7},
		{"StatusBadGateway", Const, 0},
		{"StatusBadRequest", Const, 0},