Esempio n. 1
0
func (h *hub) processReqSelect(req baps3.Message) (resps []*baps3.Message) {
	args := req.Args()
	if len(args) == 0 {
		if h.pl.HasSelection() {
			// Remove current selection
			h.cReqCh <- *baps3.NewMessage(baps3.RqEject)
			h.pl.selection = -1
			resps = append(resps, baps3.NewMessage(baps3.RsSelect))
		} else {
			// TODO: Should we care about there not being an existing selection?
			resps = append(resps, baps3.NewMessage(baps3.RsFail).AddArg("No selection to remove"))
		}
	} else if len(args) == 2 {
		iStr, hash := args[0], args[1]

		i, err := strconv.Atoi(iStr)
		if err != nil {
			return append(resps, baps3.NewMessage(baps3.RsWhat).AddArg("Bad index"))
		}

		newIdx, newHash, err := h.pl.Select(i, hash)
		if err != nil {
			return append(resps, baps3.NewMessage(baps3.RsFail).AddArg(err.Error()))
		}

		h.cReqCh <- *baps3.NewMessage(baps3.RqLoad).AddArg(h.pl.items[h.pl.selection].Data)
		resps = append(resps, baps3.NewMessage(baps3.RsSelect).AddArg(strconv.Itoa(newIdx)).AddArg(newHash))
	} else {
		resps = makeBadCommandMsgs()
	}
	return
}
Esempio n. 2
0
func (h *hub) processReqEnqueue(req baps3.Message) (resps []*baps3.Message) {
	args := req.Args()
	if len(args) != 4 {
		return makeBadCommandMsgs()
	}
	iStr, hash, itemType, data := args[0], args[1], args[2], args[3]

	i, err := strconv.Atoi(iStr)
	if err != nil {
		return append(resps, baps3.NewMessage(baps3.RsWhat).AddArg("Bad index"))
	}

	if itemType != "file" && itemType != "text" {
		return append(resps, baps3.NewMessage(baps3.RsWhat).AddArg("Bad item type"))
	}

	oldSelection := h.pl.selection
	item := &PlaylistItem{Data: data, Hash: hash, IsFile: itemType == "file"}
	newIdx, err := h.pl.Enqueue(i, item)
	if err != nil {
		return append(resps, baps3.NewMessage(baps3.RsFail).AddArg(err.Error()))
	}
	if oldSelection != h.pl.selection {
		resps = append(resps, baps3.NewMessage(baps3.RsSelect).AddArg(strconv.Itoa(h.pl.selection)).AddArg(h.pl.items[h.pl.selection].Hash))
	}
	return append(resps, baps3.NewMessage(baps3.RsEnqueue).AddArg(strconv.Itoa(newIdx)).AddArg(item.Hash).AddArg(itemType).AddArg(item.Data))
}
Esempio n. 3
0
func (h *hub) processReqDequeue(req baps3.Message) (resps []*baps3.Message) {
	args := req.Args()
	if len(args) != 2 {
		return makeBadCommandMsgs()
	}
	iStr, hash := args[0], args[1]

	i, err := strconv.Atoi(iStr)
	if err != nil {
		return append(resps, baps3.NewMessage(baps3.RsWhat).AddArg("Bad index"))
	}

	oldSelection := h.pl.selection
	rmIdx, rmHash, err := h.pl.Dequeue(i, hash)
	if err != nil {
		return append(resps, baps3.NewMessage(baps3.RsFail).AddArg(err.Error()))
	}
	if oldSelection != h.pl.selection {
		if !h.pl.HasSelection() {
			resps = append(resps, baps3.NewMessage(baps3.RsSelect))
		} else {
			resps = append(resps, baps3.NewMessage(baps3.RsSelect).AddArg(strconv.Itoa(h.pl.selection)).AddArg(h.pl.items[h.pl.selection].Hash))
		}
	}
	return append(resps, baps3.NewMessage(baps3.RsDequeue).AddArg(strconv.Itoa(rmIdx)).AddArg(rmHash))
}
Esempio n. 4
0
func (h *hub) processReqAutoadvance(req baps3.Message) (msgs []*baps3.Message) {
	if len(req.Args()) != 1 {
		return makeBadCommandMsgs()
	}
	onoff, _ := req.Arg(0)
	switch onoff {
	case "on":
		h.autoAdvance = true
	case "off":
		h.autoAdvance = false
	default:
		return append(msgs, baps3.NewMessage(baps3.RsWhat).AddArg("Bad argument"))
	}
	return append(msgs, h.makeRsAutoAdvance())
}
Esempio n. 5
0
// Processes a response from the downstream service.
func (h *hub) processResponse(res baps3.Message) {
	log.Println("New response:", res.String())
	switch res.Word() {
	case baps3.RsEnd: // Handle, broadcast and update state
		h.handleRsEnd(res)
		fallthrough
	case baps3.RsTime, baps3.RsState: // Broadcast _AND_ update state
		h.broadcast(res)
		fallthrough
	case baps3.RsOhai, baps3.RsFeatures: // Just update state
		if err := h.downstreamState.Update(res); err != nil {
			log.Fatal("Error updating state: " + err.Error())
		}
	default:
		h.broadcast(res)
	}
}
Esempio n. 6
0
// Handles a request from a client.
// Falls through to the connector cReqCh if command is "not understood".
func (h *hub) processRequest(c *Client, req baps3.Message) {
	log.Println("New request:", req.String())
	if reqFunc, ok := REQ_FUNC_MAP[req.Word()]; ok {
		responses := reqFunc(h, req)
		for _, resp := range responses {
			// TODO: Add a "is fail word" func to baps3-go?
			if resp.Word() == baps3.RsFail || resp.Word() == baps3.RsWhat {
				// failures only go to sender
				sendInvalidCmd(c, *resp, req)
			} else {
				h.broadcast(*resp)
			}
		}
	} else {
		h.cReqCh <- req
	}
}
Esempio n. 7
0
func sendInvalidCmd(c *Client, errRes baps3.Message, oldCmd baps3.Message) {
	for _, w := range oldCmd.AsSlice() {
		errRes.AddArg(w)
	}
	c.resCh <- errRes
}