Ejemplo n.º 1
0
func (t *Instance) get(arg *getArgs) error {
	if arg.size > MaxGetBenchSize {
		return ErrBenchSizeTooLarge.Trace(arg.size)
	}

	msgs := make([]*mmq.Message, arg.size)
	var (
		msg *mmq.Message
		err error
	)

	var header mmq.HeaderBin

	// check offset
	r := &utils.Reader{t.file, arg.offset}
	p := 0
	for i := 0; i < arg.size; i++ {
		msg, err = mmq.ReadMessage(&header, r, mmq.RF_RESEEK_ON_FAULT)
		err = logex.Trace(err, i)
		if logex.EqualAny(err, ErrNeedAddToWaiter) {
			// not finish, add to waiterList
			t.addWaiter(arg, r.Offset, p)
			break
		}
		if err != nil {
			break
		}
		msgs[p] = msg
		p++
	}

	arg.reply <- msgs[:p]
	return err
}
Ejemplo n.º 2
0
func pubHandler(w http.ResponseWriter, req *http.Request) {
	name := req.FormValue("topic")
	if name == "" {
		http.Error(w, "missing topic", 403)
		return
	}
	size, err := strconv.Atoi(req.FormValue("size"))
	if err != nil {
		http.Error(w, err.Error(), 403)
		return
	}

	var (
		msg    *mmq.Message
		header mmq.HeaderBin
		msgs   = make([]*mmq.Message, 0, size)
	)
	for !logex.Equal(err, io.EOF) {
		msg, err = mmq.ReadMessage(&header, req.Body, mmq.RF_DEFAULT)
		if err != nil {
			break
		}
		msgs = append(msgs, msg)
	}

	t, err := getTopic(name)
	if err != nil {
		http.Error(w, err.Error(), 500)
		return
	}
	t.PutSync(msgs)
	w.Write([]byte("hello"))
}