(wrt http.ResponseWriter, req *http.Request)
| 35 | } |
| 36 | |
| 37 | func (sess *Session) writeOnce(wrt http.ResponseWriter, req *http.Request) { |
| 38 | for { |
| 39 | select { |
| 40 | case msg, ok := <-sess.send: |
| 41 | if !ok { |
| 42 | return |
| 43 | } |
| 44 | switch v := msg.(type) { |
| 45 | case *ServerComMessage: // single unserialized message |
| 46 | w := sess.serializeAndUpdateStats(v) |
| 47 | if !sess.sendMessageLp(wrt, w) { |
| 48 | return |
| 49 | } |
| 50 | default: // serialized message |
| 51 | if !sess.sendMessageLp(wrt, v) { |
| 52 | return |
| 53 | } |
| 54 | } |
| 55 | return |
| 56 | |
| 57 | case <-sess.bkgTimer.C: |
| 58 | if sess.background { |
| 59 | sess.background = false |
| 60 | sess.onBackgroundTimer() |
| 61 | } |
| 62 | |
| 63 | case msg := <-sess.stop: |
| 64 | // Request to close the session. Make it unavailable. |
| 65 | globals.sessionStore.Delete(sess) |
| 66 | // Don't care if lpWrite fails. |
| 67 | if msg != nil { |
| 68 | lpWrite(wrt, msg) |
| 69 | } |
| 70 | return |
| 71 | |
| 72 | case topic := <-sess.detach: |
| 73 | // Request to detach the session from a topic. |
| 74 | sess.delSub(topic) |
| 75 | // No 'return' statement here: continue waiting |
| 76 | |
| 77 | case <-time.After(pingPeriod): |
| 78 | // just write an empty packet on timeout |
| 79 | if _, err := wrt.Write([]byte{}); err != nil { |
| 80 | logs.Err.Println("longPoll: writeOnce: timout", sess.sid, err) |
| 81 | } |
| 82 | return |
| 83 | |
| 84 | case <-req.Context().Done(): |
| 85 | // HTTP request canceled or connection lost. |
| 86 | return |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | func lpWrite(wrt http.ResponseWriter, msg any) error { |
| 92 | // This will panic if msg is not []byte. This is intentional. |
no test coverage detected