Examples with NoMessageAvailableException org.openhab.binding.maxcube.internal.exceptions.NoMessageAvailableException used on opensource projects

Example 1 with NoMessageAvailableException

use of org.openhab.binding.maxcube.internal.exceptions.NoMessageAvailableException in project openhab1-addons by openhab.

the class MaxCubeBinding method execute.

/**
     * {@inheritDoc}
     */
@Override
public synchronized void execute() {
    if (ip == null) {
        logger.debug("Update prior to completion of interface IP configuration");
        return;
    }
    try {
        String raw = null;
        if (maxRequestsPerConnection > 0 && requestCount >= maxRequestsPerConnection) {
            logger.debug("maxRequestsPerConnection reached, reconnecting.");
            socket.close();
            this.socketConnect();
        }
        if (socket == null) {
            this.socketConnect();
        } else {
            /*
                 * if the connection is already open (this happens in exclusive mode), just send a "l:\r\n" to get the
                 * latest live informations
                 * note that "L:\r\n" or "l:\n" would not work.
                 */
            logger.debug("Sending state request #" + this.requestCount + " to Maxcube");
            writer.write("l:" + '\r' + '\n');
            writer.flush();
            requestCount++;
        }
        boolean cont = true;
        while (cont) {
            raw = reader.readLine();
            if (raw == null) {
                cont = false;
                continue;
            }
            Message message = null;
            try {
                this.messageProcessor.addReceivedLine(raw);
                if (this.messageProcessor.isMessageAvailable()) {
                    message = this.messageProcessor.pull();
                } else {
                    continue;
                }
                message.debug(logger);
                if (message != null) {
                    message.debug(logger);
                    if (message.getType() == MessageType.M) {
                        M_Message msg = (M_Message) message;
                        for (DeviceInformation di : msg.devices) {
                            Configuration c = null;
                            for (Configuration conf : configurations) {
                                if (conf.getSerialNumber().equalsIgnoreCase(di.getSerialNumber())) {
                                    c = conf;
                                    break;
                                }
                            }
                            if (c != null) {
                                configurations.remove(c);
                            }
                            c = Configuration.create(di);
                            configurations.add(c);
                            c.setRoomId(di.getRoomId());
                        }
                    } else if (message.getType() == MessageType.C) {
                        Configuration c = null;
                        for (Configuration conf : configurations) {
                            if (conf.getSerialNumber().equalsIgnoreCase(((C_Message) message).getSerialNumber())) {
                                c = conf;
                                break;
                            }
                        }
                        if (c == null) {
                            configurations.add(Configuration.create(message));
                        } else {
                            c.setValues((C_Message) message);
                        }
                    } else if (message.getType() == MessageType.S) {
                        sMessageProcessing((S_Message) message);
                        cont = false;
                    } else if (message.getType() == MessageType.L) {
                        ((L_Message) message).updateDevices(devices, configurations);
                        logger.debug("{} devices found.", devices.size());
                        // the L message is the last one, while the reader
                        // would hang trying to read a new line and
                        // eventually the
                        // cube will fail to establish
                        // new connections for some time
                        cont = false;
                    }
                }
            } catch (IncorrectMultilineIndexException ex) {
                logger.info("Incorrect MAX!Cube multiline message detected. Stopping processing and continue with next Line.");
                this.messageProcessor.reset();
            } catch (NoMessageAvailableException ex) {
                logger.info("Could not process MAX!Cube message. Stopping processing and continue with next Line.");
                this.messageProcessor.reset();
            } catch (IncompleteMessageException ex) {
                logger.info("Error while parsing MAX!Cube multiline message. Stopping processing, and continue with next Line.");
                this.messageProcessor.reset();
            } catch (UnprocessableMessageException ex) {
                logger.info("Error while parsing MAX!Cube message. Stopping processing, and continue with next Line.");
                this.messageProcessor.reset();
            } catch (UnsupportedMessageTypeException ex) {
                logger.info("Unsupported MAX!Cube message detected. Ignoring and continue with next Line.");
                this.messageProcessor.reset();
            } catch (MessageIsWaitingException ex) {
                logger.info("There was an unhandled message waiting. Ignoring and continue with next Line.");
                this.messageProcessor.reset();
            } catch (Exception e) {
                logger.info("Failed to process message received by MAX! protocol.");
                logger.debug(Utils.getStackTrace(e));
                this.messageProcessor.reset();
            }
        }
        if (!exclusive) {
            socketClose();
        }
        for (MaxCubeBindingProvider provider : providers) {
            for (String itemName : provider.getItemNames()) {
                String serialNumber = provider.getSerialNumber(itemName);
                Device device = findDevice(serialNumber, devices);
                if (device == null) {
                    logger.info("Cannot find MAX!cube device with serial number '{}'", serialNumber);
                    logAvailableMaxDevices();
                    continue;
                }
                // all devices have a battery state, so this is type-independent
                if (provider.getBindingType(itemName) == BindingType.BATTERY) {
                    if (device.battery().isChargeUpdated()) {
                        eventPublisher.postUpdate(itemName, device.battery().getCharge());
                    }
                } else if (provider.getBindingType(itemName) == BindingType.CONNECTION_ERROR) {
                    if (device.isErrorUpdated()) {
                        OnOffType connectionError = device.isError() ? OnOffType.ON : OnOffType.OFF;
                        eventPublisher.postUpdate(itemName, connectionError);
                    }
                } else {
                    switch(device.getType()) {
                        case HeatingThermostatPlus:
                        case HeatingThermostat:
                            if (provider.getBindingType(itemName) == BindingType.VALVE && ((HeatingThermostat) device).isValvePositionUpdated()) {
                                eventPublisher.postUpdate(itemName, ((HeatingThermostat) device).getValvePosition());
                                break;
                            }
                        // omitted break, fall through
                        case // and also HeatingThermostat
                        WallMountedThermostat:
                            if (provider.getBindingType(itemName) == BindingType.MODE && ((HeatingThermostat) device).isModeUpdated()) {
                                eventPublisher.postUpdate(itemName, ((HeatingThermostat) device).getModeString());
                            } else if (provider.getBindingType(itemName) == BindingType.ACTUAL && ((HeatingThermostat) device).isTemperatureActualUpdated()) {
                                eventPublisher.postUpdate(itemName, ((HeatingThermostat) device).getTemperatureActual());
                            } else if (((HeatingThermostat) device).isTemperatureSetpointUpdated() && provider.getBindingType(itemName) == null) {
                                eventPublisher.postUpdate(itemName, ((HeatingThermostat) device).getTemperatureSetpoint());
                            }
                            break;
                        case ShutterContact:
                            if (((ShutterContact) device).isShutterStateUpdated()) {
                                eventPublisher.postUpdate(itemName, ((ShutterContact) device).getShutterState());
                            }
                            break;
                        default:
                    }
                }
            }
        }
    } catch (UnknownHostException e) {
        logger.info("Host error occurred while connecting to MAX! Cube lan gateway '{}': {}", ip, e.getMessage());
        socketClose();
    } catch (IOException e) {
        logger.info("IO error occurred while connecting to MAX! Cube lan gateway '{}': {}", ip, e.getMessage());
        // reconnect on next execution
        socketClose();
    } catch (Exception e) {
        logger.info("Error occurred while connecting to MAX! Cube lan gateway '{}': {}", ip, e.getMessage());
        logger.info(Utils.getStackTrace(e));
        // reconnect on next execution
        socketClose();
    }
}