| 68 | } |
| 69 | |
| 70 | func (st *serverTester) readFrame() (http2.Frame, error) { |
| 71 | go func() { |
| 72 | fr, err := st.fr.ReadFrame() |
| 73 | if err != nil { |
| 74 | st.frErrc <- err |
| 75 | } else { |
| 76 | st.frc <- fr |
| 77 | } |
| 78 | }() |
| 79 | t := time.NewTimer(2 * time.Second) |
| 80 | defer t.Stop() |
| 81 | select { |
| 82 | case f := <-st.frc: |
| 83 | return f, nil |
| 84 | case err := <-st.frErrc: |
| 85 | return nil, err |
| 86 | case <-t.C: |
| 87 | return nil, errors.New("timeout waiting for frame") |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | // greet initiates the client's HTTP/2 connection into a state where |
| 92 | // frames may be sent. |