@Override public void frameReceived(final FrameEvent e) { try { // with EMI1 frames, there is the possibility we receive some left-over Get-Value responses // from BCU switching during link setup, silently discard them final byte[] emi1 = e.getFrameBytes(); if (emi1 != null && BcuSwitcher.isEmi1GetValue(emi1[0] & 0xff)) return; final CEMI cemi = onReceive(e); if (cemi instanceof CEMIDevMgmt) { // XXX check .con correctly (required for setting cEMI link layer mode) final int mc = cemi.getMessageCode(); if (mc == CEMIDevMgmt.MC_PROPWRITE_CON) { final CEMIDevMgmt f = (CEMIDevMgmt) cemi; if (f.isNegativeResponse()) logger.error("L-DM negative response, " + f.getErrorMessage()); } } // from this point on, we are only dealing with L_Data if (!(cemi instanceof CEMILData)) return; final CEMILData f = (CEMILData) cemi; final int mc = f.getMessageCode(); if (mc == CEMILData.MC_LDATA_IND) { addEvent(l -> l.indication(new FrameEvent(source, f))); logger.debug("indication {}", f.toString()); } else if (mc == CEMILData.MC_LDATA_CON) { addEvent(l -> l.confirmation(new FrameEvent(source, f))); logger.debug("confirmation of {}", f.getDestination()); } else logger.warn("unspecified frame event - ignored, msg code = 0x" + Integer.toHexString(mc)); } catch (final KNXFormatException | RuntimeException ex) { logger.warn( "received unspecified frame {}", DataUnitBuilder.toHex(e.getFrameBytes(), ""), ex); } }
@Override public void send(final CEMILData msg, final boolean waitForCon) throws KNXTimeoutException, KNXLinkClosedException { if (closed) throw new KNXLinkClosedException("link closed"); if (cEMI && !sendCEmiAsByteArray) { final CEMILData adjusted = adjustMsgType(msg); addMediumInfo(adjusted); onSend(adjusted, waitForCon); return; } onSend(msg.getDestination(), createEmi(msg), waitForCon); }
/** * {@inheritDoc}<br> * If a maximum size is set and the queue already reached maximum size, if {@link #isOverwrite()} * evaluates to<br> * - <code>true</code>, <code>frame</code> will replace the oldest inserted frame<br> * - <code>false</code>, <code>frame</code> is ignored and not queued. */ public synchronized void setFrame(final CEMILData frame) { if (!frame.getDestination().equals(getKey())) throw new KNXIllegalArgumentException("frame key differs from this key"); if (!max) ensureCapacity(); else if (!overwrite && size == timestamps.length) return; final CEMILData[] c = (CEMILData[]) value; // notify on first time queue fills up final boolean notifyListener = max && size == c.length - 1; resetTimestamp(); c[next] = frame; timestamps[next] = getTimestamp(); ++next; next %= c.length; if (size < c.length) ++size; if (notifyListener) fireQueueFilled(); }