Adjust code to airbnb style guide, including eslint rules and prettier configuration for code base
This commit is contained in:
Victor Hagelbäck
parent
1b55cabf63
commit
281acd6ad8
23 changed files with 919 additions and 2225 deletions
804
plejd/PlejdService.js
Normal file
804
plejd/PlejdService.js
Normal file
|
|
@ -0,0 +1,804 @@
|
|||
const dbus = require('dbus-next');
|
||||
const crypto = require('crypto');
|
||||
const xor = require('buffer-xor');
|
||||
const EventEmitter = require('events');
|
||||
const Logger = require('./Logger');
|
||||
|
||||
const logger = Logger.getLogger('plejd-ble');
|
||||
|
||||
// UUIDs
|
||||
const PLEJD_SERVICE = '31ba0001-6085-4726-be45-040c957391b5';
|
||||
const DATA_UUID = '31ba0004-6085-4726-be45-040c957391b5';
|
||||
const LAST_DATA_UUID = '31ba0005-6085-4726-be45-040c957391b5';
|
||||
const AUTH_UUID = '31ba0009-6085-4726-be45-040c957391b5';
|
||||
const PING_UUID = '31ba000a-6085-4726-be45-040c957391b5';
|
||||
|
||||
const BLE_CMD_DIM_CHANGE = '00c8';
|
||||
const BLE_CMD_DIM2_CHANGE = '0098';
|
||||
const BLE_CMD_STATE_CHANGE = '0097';
|
||||
const BLE_CMD_SCENE_TRIG = '0021';
|
||||
|
||||
const BLUEZ_SERVICE_NAME = 'org.bluez';
|
||||
const DBUS_OM_INTERFACE = 'org.freedesktop.DBus.ObjectManager';
|
||||
const DBUS_PROP_INTERFACE = 'org.freedesktop.DBus.Properties';
|
||||
|
||||
const BLUEZ_ADAPTER_ID = 'org.bluez.Adapter1';
|
||||
const BLUEZ_DEVICE_ID = 'org.bluez.Device1';
|
||||
const GATT_SERVICE_ID = 'org.bluez.GattService1';
|
||||
const GATT_CHRC_ID = 'org.bluez.GattCharacteristic1';
|
||||
|
||||
const MAX_TRANSITION_STEPS_PER_SECOND = 5; // Could be made a setting
|
||||
const MAX_RETRY_COUNT = 5; // Could be made a setting
|
||||
|
||||
class PlejdService extends EventEmitter {
|
||||
constructor(cryptoKey, devices, sceneManager, connectionTimeout, writeQueueWaitTime) {
|
||||
super();
|
||||
|
||||
logger.info('Starting Plejd BLE, resetting all device states.');
|
||||
|
||||
this.cryptoKey = Buffer.from(cryptoKey.replace(/-/g, ''), 'hex');
|
||||
|
||||
this.sceneManager = sceneManager;
|
||||
this.connectedDevice = null;
|
||||
this.plejdService = null;
|
||||
this.bleDevices = [];
|
||||
this.bleDeviceTransitionTimers = {};
|
||||
this.plejdDevices = {};
|
||||
this.devices = devices;
|
||||
this.connectEventHooked = false;
|
||||
this.connectionTimeout = connectionTimeout;
|
||||
this.writeQueueWaitTime = writeQueueWaitTime;
|
||||
this.writeQueue = [];
|
||||
this.writeQueueRef = null;
|
||||
this.initInProgress = null;
|
||||
|
||||
// Holds a reference to all characteristics
|
||||
this.characteristics = {
|
||||
data: null,
|
||||
lastData: null,
|
||||
lastDataProperties: null,
|
||||
auth: null,
|
||||
ping: null,
|
||||
};
|
||||
|
||||
this.bus = dbus.systemBus();
|
||||
this.adapter = null;
|
||||
|
||||
logger.debug('wiring events and waiting for BLE interface to power up.');
|
||||
this.wireEvents();
|
||||
}
|
||||
|
||||
async init() {
|
||||
if (this.objectManager) {
|
||||
this.objectManager.removeAllListeners();
|
||||
}
|
||||
|
||||
this.bleDevices = [];
|
||||
this.connectedDevice = null;
|
||||
|
||||
this.characteristics = {
|
||||
data: null,
|
||||
lastData: null,
|
||||
lastDataProperties: null,
|
||||
auth: null,
|
||||
ping: null,
|
||||
};
|
||||
|
||||
clearInterval(this.pingRef);
|
||||
clearTimeout(this.writeQueueRef);
|
||||
logger.info('init()');
|
||||
|
||||
const bluez = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, '/');
|
||||
this.objectManager = await bluez.getInterface(DBUS_OM_INTERFACE);
|
||||
|
||||
// We need to find the ble interface which implements the Adapter1 interface
|
||||
const managedObjects = await this.objectManager.GetManagedObjects();
|
||||
const result = await this._getInterface(managedObjects, BLUEZ_ADAPTER_ID);
|
||||
|
||||
if (result) {
|
||||
this.adapter = result[1];
|
||||
}
|
||||
|
||||
if (!this.adapter) {
|
||||
logger.error('Unable to find a bluetooth adapter that is compatible.');
|
||||
return Promise.reject(new Error('Unable to find a bluetooth adapter that is compatible.'));
|
||||
}
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const path of Object.keys(managedObjects)) {
|
||||
/* eslint-disable no-await-in-loop */
|
||||
const interfaces = Object.keys(managedObjects[path]);
|
||||
|
||||
if (interfaces.indexOf(BLUEZ_DEVICE_ID) > -1) {
|
||||
const proxyObject = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, path);
|
||||
const device = await proxyObject.getInterface(BLUEZ_DEVICE_ID);
|
||||
|
||||
const connected = managedObjects[path][BLUEZ_DEVICE_ID].Connected.value;
|
||||
|
||||
if (connected) {
|
||||
logger.info(`disconnecting ${path}`);
|
||||
await device.Disconnect();
|
||||
}
|
||||
|
||||
await this.adapter.RemoveDevice(path);
|
||||
}
|
||||
/* eslint-enable no-await-in-loop */
|
||||
}
|
||||
|
||||
this.objectManager.on('InterfacesAdded', this.onInterfacesAdded.bind(this));
|
||||
|
||||
this.adapter.SetDiscoveryFilter({
|
||||
UUIDs: new dbus.Variant('as', [PLEJD_SERVICE]),
|
||||
Transport: new dbus.Variant('s', 'le'),
|
||||
});
|
||||
|
||||
try {
|
||||
await this.adapter.StartDiscovery();
|
||||
} catch (err) {
|
||||
logger.error('Failed to start discovery. Make sure no other add-on is currently scanning.');
|
||||
return Promise.reject(
|
||||
new Error('Failed to start discovery. Make sure no other add-on is currently scanning.'),
|
||||
);
|
||||
}
|
||||
return new Promise((resolve) => setTimeout(
|
||||
() => resolve(
|
||||
this._internalInit().catch((err) => {
|
||||
logger.error('InternalInit exception! Will rethrow.', err);
|
||||
throw err;
|
||||
}),
|
||||
),
|
||||
this.connectionTimeout * 1000,
|
||||
));
|
||||
}
|
||||
|
||||
async _internalInit() {
|
||||
logger.debug(`Got ${this.bleDevices.length} device(s).`);
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const plejd of this.bleDevices) {
|
||||
/* eslint-disable no-await-in-loop */
|
||||
logger.debug(`Inspecting ${plejd.path}`);
|
||||
|
||||
try {
|
||||
const proxyObject = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, plejd.path);
|
||||
const device = await proxyObject.getInterface(BLUEZ_DEVICE_ID);
|
||||
const properties = await proxyObject.getInterface(DBUS_PROP_INTERFACE);
|
||||
|
||||
plejd.rssi = (await properties.Get(BLUEZ_DEVICE_ID, 'RSSI')).value;
|
||||
plejd.instance = device;
|
||||
|
||||
const segments = plejd.path.split('/');
|
||||
let fixedPlejdPath = segments[segments.length - 1].replace('dev_', '');
|
||||
fixedPlejdPath = fixedPlejdPath.replace(/_/g, '');
|
||||
plejd.device = this.devices.find((x) => x.serialNumber === fixedPlejdPath);
|
||||
|
||||
logger.debug(`Discovered ${plejd.path} with rssi ${plejd.rssi}`);
|
||||
} catch (err) {
|
||||
logger.error(`Failed inspecting ${plejd.path}. `, err);
|
||||
}
|
||||
/* eslint-enable no-await-in-loop */
|
||||
}
|
||||
|
||||
const sortedDevices = this.bleDevices.sort((a, b) => b.rssi - a.rssi);
|
||||
let connectedDevice = null;
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const plejd of sortedDevices) {
|
||||
try {
|
||||
if (plejd.instance) {
|
||||
logger.info(`Connecting to ${plejd.path}`);
|
||||
// eslint-disable-next-line no-await-in-loop
|
||||
await plejd.instance.Connect();
|
||||
connectedDevice = plejd;
|
||||
break;
|
||||
}
|
||||
} catch (err) {
|
||||
logger.error('Warning: unable to connect, will retry. ', err);
|
||||
}
|
||||
}
|
||||
|
||||
setTimeout(async () => {
|
||||
await this.onDeviceConnected(connectedDevice);
|
||||
await this.adapter.StopDiscovery();
|
||||
}, this.connectionTimeout * 1000);
|
||||
}
|
||||
|
||||
async _getInterface(managedObjects, iface) {
|
||||
const managedPaths = Object.keys(managedObjects);
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const path of managedPaths) {
|
||||
const pathInterfaces = Object.keys(managedObjects[path]);
|
||||
if (pathInterfaces.indexOf(iface) > -1) {
|
||||
logger.debug(`Found BLE interface '${iface}' at ${path}`);
|
||||
try {
|
||||
// eslint-disable-next-line no-await-in-loop
|
||||
const adapterObject = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, path);
|
||||
return [path, adapterObject.getInterface(iface), adapterObject];
|
||||
} catch (err) {
|
||||
logger.error(`Failed to get interface '${iface}'. `, err);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
async onInterfacesAdded(path, interfaces) {
|
||||
// const [adapter, dev, service, characteristic] = path.split('/').slice(3);
|
||||
const interfaceKeys = Object.keys(interfaces);
|
||||
|
||||
if (interfaceKeys.indexOf(BLUEZ_DEVICE_ID) > -1) {
|
||||
if (interfaces[BLUEZ_DEVICE_ID].UUIDs.value.indexOf(PLEJD_SERVICE) > -1) {
|
||||
logger.debug(`Found Plejd service on ${path}`);
|
||||
this.bleDevices.push({
|
||||
path,
|
||||
});
|
||||
} else {
|
||||
logger.error('Uh oh, no Plejd device!');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
turnOn(deviceId, command) {
|
||||
const deviceName = this._getDeviceName(deviceId);
|
||||
logger.info(
|
||||
`Plejd got turn on command for ${deviceName} (${deviceId}), brightness ${command.brightness}${
|
||||
command.transition ? `, transition: ${command.transition}` : ''
|
||||
}`,
|
||||
);
|
||||
this._transitionTo(deviceId, command.brightness, command.transition, deviceName);
|
||||
}
|
||||
|
||||
turnOff(deviceId, command) {
|
||||
const deviceName = this._getDeviceName(deviceId);
|
||||
logger.info(
|
||||
`Plejd got turn off command for ${deviceName} (${deviceId}), brightness ${
|
||||
command.brightness
|
||||
}${command.transition ? `, transition: ${command.transition}` : ''}`,
|
||||
);
|
||||
this._transitionTo(deviceId, 0, command.transition, deviceName);
|
||||
}
|
||||
|
||||
_clearDeviceTransitionTimer(deviceId) {
|
||||
if (this.bleDeviceTransitionTimers[deviceId]) {
|
||||
clearInterval(this.bleDeviceTransitionTimers[deviceId]);
|
||||
}
|
||||
}
|
||||
|
||||
_transitionTo(deviceId, targetBrightness, transition, deviceName) {
|
||||
const initialBrightness = this.plejdDevices[deviceId]
|
||||
? this.plejdDevices[deviceId].state && this.plejdDevices[deviceId].dim
|
||||
: null;
|
||||
this._clearDeviceTransitionTimer(deviceId);
|
||||
|
||||
const isDimmable = this.devices.find((d) => d.id === deviceId).dimmable;
|
||||
|
||||
if (
|
||||
transition > 1
|
||||
&& isDimmable
|
||||
&& (initialBrightness || initialBrightness === 0)
|
||||
&& (targetBrightness || targetBrightness === 0)
|
||||
&& targetBrightness !== initialBrightness
|
||||
) {
|
||||
// Transition time set, known initial and target brightness
|
||||
// Calculate transition interval time based on delta brightness and max steps per second
|
||||
// During transition, measure actual transition interval time and adjust stepping continously
|
||||
// If transition <= 1 second, Plejd will do a better job
|
||||
// than we can in transitioning so transitioning will be skipped
|
||||
|
||||
const deltaBrightness = targetBrightness - initialBrightness;
|
||||
const transitionSteps = Math.min(
|
||||
Math.abs(deltaBrightness),
|
||||
MAX_TRANSITION_STEPS_PER_SECOND * transition,
|
||||
);
|
||||
const transitionInterval = (transition * 1000) / transitionSteps;
|
||||
|
||||
logger.debug(
|
||||
`transitioning from ${initialBrightness} to ${targetBrightness} ${
|
||||
transition ? `in ${transition} seconds` : ''
|
||||
}.`,
|
||||
);
|
||||
logger.verbose(
|
||||
`delta brightness ${deltaBrightness}, steps ${transitionSteps}, interval ${transitionInterval} ms`,
|
||||
);
|
||||
|
||||
const dtStart = new Date();
|
||||
|
||||
let nSteps = 0;
|
||||
|
||||
this.bleDeviceTransitionTimers[deviceId] = setInterval(() => {
|
||||
const tElapsedMs = new Date().getTime() - dtStart.getTime();
|
||||
let tElapsed = tElapsedMs / 1000;
|
||||
|
||||
if (tElapsed > transition || tElapsed < 0) {
|
||||
tElapsed = transition;
|
||||
}
|
||||
|
||||
let newBrightness = Math.round(
|
||||
initialBrightness + (deltaBrightness * tElapsed) / transition,
|
||||
);
|
||||
|
||||
if (tElapsed === transition) {
|
||||
nSteps++;
|
||||
this._clearDeviceTransitionTimer(deviceId);
|
||||
newBrightness = targetBrightness;
|
||||
logger.debug(
|
||||
`Queueing finalize ${deviceName} (${deviceId}) transition from ${initialBrightness} to ${targetBrightness} in ${tElapsedMs}ms. Done steps ${nSteps}. Average interval ${
|
||||
tElapsedMs / (nSteps || 1)
|
||||
} ms.`,
|
||||
);
|
||||
this._setBrightness(deviceId, newBrightness, true, deviceName);
|
||||
} else {
|
||||
nSteps++;
|
||||
logger.verbose(
|
||||
`Queueing dim transition for ${deviceName} (${deviceId}) to ${newBrightness}. Total queue length ${this.writeQueue.length}`,
|
||||
);
|
||||
this._setBrightness(deviceId, newBrightness, false, deviceName);
|
||||
}
|
||||
}, transitionInterval);
|
||||
} else {
|
||||
if (transition && isDimmable) {
|
||||
logger.debug(
|
||||
`Could not transition light change. Either initial value is unknown or change is too small. Requested from ${initialBrightness} to ${targetBrightness}`,
|
||||
);
|
||||
}
|
||||
this._setBrightness(deviceId, targetBrightness, true, deviceName);
|
||||
}
|
||||
}
|
||||
|
||||
_setBrightness(deviceId, brightness, shouldRetry, deviceName) {
|
||||
let payload = null;
|
||||
let log = '';
|
||||
|
||||
if (!brightness && brightness !== 0) {
|
||||
logger.debug(
|
||||
`Queueing turn on ${deviceName} (${deviceId}). No brightness specified, setting DIM to previous.`,
|
||||
);
|
||||
payload = Buffer.from(`${deviceId.toString(16).padStart(2, '0')}0110009701`, 'hex');
|
||||
log = 'ON';
|
||||
} else if (brightness <= 0) {
|
||||
logger.debug(`Queueing turn off ${deviceId}`);
|
||||
payload = Buffer.from(`${deviceId.toString(16).padStart(2, '0')}0110009700`, 'hex');
|
||||
log = 'OFF';
|
||||
} else {
|
||||
if (brightness > 255) {
|
||||
// eslint-disable-next-line no-param-reassign
|
||||
brightness = 255;
|
||||
}
|
||||
|
||||
logger.debug(`Queueing ${deviceId} set brightness to ${brightness}`);
|
||||
// eslint-disable-next-line no-bitwise
|
||||
const brightnessVal = (brightness << 8) | brightness;
|
||||
payload = Buffer.from(
|
||||
`${deviceId.toString(16).padStart(2, '0')}0110009801${brightnessVal
|
||||
.toString(16)
|
||||
.padStart(4, '0')}`,
|
||||
'hex',
|
||||
);
|
||||
log = `DIM ${brightness}`;
|
||||
}
|
||||
this.writeQueue.unshift({
|
||||
deviceId,
|
||||
log,
|
||||
shouldRetry,
|
||||
payload,
|
||||
});
|
||||
}
|
||||
|
||||
triggerScene(sceneIndex) {
|
||||
const sceneName = this._getDeviceName(sceneIndex);
|
||||
logger.info(
|
||||
`Triggering scene ${sceneName} (${sceneIndex}). Scene name might be misleading if there is a device with the same numeric id.`,
|
||||
);
|
||||
this.sceneManager.executeScene(sceneIndex, this);
|
||||
}
|
||||
|
||||
async authenticate() {
|
||||
logger.info('authenticate()');
|
||||
|
||||
try {
|
||||
logger.debug('Sending challenge to device');
|
||||
await this.characteristics.auth.WriteValue([0], {});
|
||||
logger.debug('Reading response from device');
|
||||
const challenge = await this.characteristics.auth.ReadValue({});
|
||||
const response = this._createChallengeResponse(this.cryptoKey, Buffer.from(challenge));
|
||||
logger.debug('Responding to authenticate');
|
||||
await this.characteristics.auth.WriteValue([...response], {});
|
||||
} catch (err) {
|
||||
logger.error('Failed to authenticate: ', err);
|
||||
}
|
||||
|
||||
// auth done, start ping
|
||||
this.startPing();
|
||||
this.startWriteQueue();
|
||||
|
||||
// After we've authenticated, we need to hook up the event listener
|
||||
// for changes to lastData.
|
||||
this.characteristics.lastDataProperties.on(
|
||||
'PropertiesChanged',
|
||||
this.onLastDataUpdated.bind(this),
|
||||
);
|
||||
this.characteristics.lastData.StartNotify();
|
||||
}
|
||||
|
||||
async throttledInit(delay) {
|
||||
if (this.initInProgress) {
|
||||
logger.debug(
|
||||
'ThrottledInit already in progress. Skipping this call and returning existing promise.',
|
||||
);
|
||||
return this.initInProgress;
|
||||
}
|
||||
this.initInProgress = new Promise((resolve) => setTimeout(async () => {
|
||||
const result = await this.init().catch((err) => {
|
||||
logger.error('TrottledInit exception calling init(). Will re-throw.', err);
|
||||
throw err;
|
||||
});
|
||||
this.initInProgress = null;
|
||||
resolve(result);
|
||||
}, delay));
|
||||
return this.initInProgress;
|
||||
}
|
||||
|
||||
async write(data) {
|
||||
if (!data || !this.plejdService || !this.characteristics.data) {
|
||||
logger.debug('data, plejdService or characteristics not available. Cannot write()');
|
||||
return false;
|
||||
}
|
||||
|
||||
try {
|
||||
logger.verbose(`Sending ${data.length} byte(s) of data to Plejd`, data);
|
||||
const encryptedData = this._encryptDecrypt(this.cryptoKey, this.plejdService.addr, data);
|
||||
await this.characteristics.data.WriteValue([...encryptedData], {});
|
||||
return true;
|
||||
} catch (err) {
|
||||
if (err.message === 'In Progress') {
|
||||
logger.debug("Write failed due to 'In progress' ", err);
|
||||
} else {
|
||||
logger.debug('Write failed ', err);
|
||||
}
|
||||
await this.throttledInit(this.connectionTimeout * 1000);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
startPing() {
|
||||
logger.info('startPing()');
|
||||
clearInterval(this.pingRef);
|
||||
|
||||
this.pingRef = setInterval(async () => {
|
||||
logger.silly('ping');
|
||||
await this.ping();
|
||||
}, 3000);
|
||||
}
|
||||
|
||||
// eslint-disable-next-line class-methods-use-this
|
||||
onPingSuccess(nr) {
|
||||
logger.silly(`pong: ${nr}`);
|
||||
}
|
||||
|
||||
async onPingFailed(error) {
|
||||
logger.debug(`onPingFailed(${error})`);
|
||||
logger.info('ping failed, reconnecting.');
|
||||
|
||||
clearInterval(this.pingRef);
|
||||
return this.init().catch((err) => {
|
||||
logger.error('onPingFailed exception calling init(). Will swallow error.', err);
|
||||
});
|
||||
}
|
||||
|
||||
async ping() {
|
||||
logger.silly('ping()');
|
||||
|
||||
const ping = crypto.randomBytes(1);
|
||||
let pong = null;
|
||||
|
||||
try {
|
||||
await this.characteristics.ping.WriteValue([...ping], {});
|
||||
pong = await this.characteristics.ping.ReadValue({});
|
||||
} catch (err) {
|
||||
logger.error('Error writing to plejd: ', err);
|
||||
this.emit('pingFailed', 'write error');
|
||||
return;
|
||||
}
|
||||
|
||||
// eslint-disable-next-line no-bitwise
|
||||
if (((ping[0] + 1) & 0xff) !== pong[0]) {
|
||||
logger.error('Plejd ping failed');
|
||||
this.emit('pingFailed', `plejd ping failed ${ping[0]} - ${pong[0]}`);
|
||||
return;
|
||||
}
|
||||
|
||||
this.emit('pingSuccess', pong[0]);
|
||||
}
|
||||
|
||||
startWriteQueue() {
|
||||
logger.info('startWriteQueue()');
|
||||
clearTimeout(this.writeQueueRef);
|
||||
|
||||
this.writeQueueRef = setTimeout(() => this.runWriteQueue(), this.writeQueueWaitTime);
|
||||
}
|
||||
|
||||
async runWriteQueue() {
|
||||
try {
|
||||
while (this.writeQueue.length > 0) {
|
||||
const queueItem = this.writeQueue.pop();
|
||||
const deviceName = this._getDeviceName(queueItem.deviceId);
|
||||
logger.debug(
|
||||
`Write queue: Processing ${deviceName} (${queueItem.deviceId}). Command ${queueItem.log}. Total queue length: ${this.writeQueue.length}`,
|
||||
);
|
||||
|
||||
if (this.writeQueue.some((item) => item.deviceId === queueItem.deviceId)) {
|
||||
logger.verbose(
|
||||
`Skipping ${deviceName} (${queueItem.deviceId}) `
|
||||
+ `${queueItem.log} due to more recent command in queue.`,
|
||||
);
|
||||
// Skip commands if new ones exist for the same deviceId
|
||||
// still process all messages in order
|
||||
} else {
|
||||
// eslint-disable-next-line no-await-in-loop
|
||||
const success = await this.write(queueItem.payload);
|
||||
if (!success && queueItem.shouldRetry) {
|
||||
queueItem.retryCount = (queueItem.retryCount || 0) + 1;
|
||||
logger.debug(`Will retry command, count failed so far ${queueItem.retryCount}`);
|
||||
if (queueItem.retryCount <= MAX_RETRY_COUNT) {
|
||||
this.writeQueue.push(queueItem); // Add back to top of queue to be processed next;
|
||||
} else {
|
||||
logger.error(
|
||||
`Write queue: Exceeed max retry count (${MAX_RETRY_COUNT}) for ${deviceName} (${queueItem.deviceId}). Command ${queueItem.log} failed.`,
|
||||
);
|
||||
break;
|
||||
}
|
||||
if (queueItem.retryCount > 1) {
|
||||
break; // First retry directly, consecutive after writeQueueWaitTime ms
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (e) {
|
||||
logger.error('Error in writeQueue loop, values probably not written to Plejd', e);
|
||||
}
|
||||
|
||||
this.writeQueueRef = setTimeout(() => this.runWriteQueue(), this.writeQueueWaitTime);
|
||||
}
|
||||
|
||||
async _processPlejdService(path, characteristics) {
|
||||
const proxyObject = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, path);
|
||||
const properties = await proxyObject.getInterface(DBUS_PROP_INTERFACE);
|
||||
|
||||
const uuid = (await properties.Get(GATT_SERVICE_ID, 'UUID')).value;
|
||||
if (uuid !== PLEJD_SERVICE) {
|
||||
logger.error('not a Plejd device.');
|
||||
return null;
|
||||
}
|
||||
|
||||
const dev = (await properties.Get(GATT_SERVICE_ID, 'Device')).value;
|
||||
const regex = /dev_([0-9A-F_]+)$/;
|
||||
const dirtyAddr = regex.exec(dev);
|
||||
const addr = this._reverseBuffer(
|
||||
Buffer.from(String(dirtyAddr[1]).replace(/-/g, '').replace(/_/g, '').replace(/:/g, ''), 'hex'),
|
||||
);
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const chPath of characteristics) {
|
||||
/* eslint-disable no-await-in-loop */
|
||||
const chProxyObject = await this.bus.getProxyObject(BLUEZ_SERVICE_NAME, chPath);
|
||||
const ch = await chProxyObject.getInterface(GATT_CHRC_ID);
|
||||
const prop = await chProxyObject.getInterface(DBUS_PROP_INTERFACE);
|
||||
|
||||
const chUuid = (await prop.Get(GATT_CHRC_ID, 'UUID')).value;
|
||||
|
||||
if (chUuid === DATA_UUID) {
|
||||
logger.debug('found DATA characteristic.');
|
||||
this.characteristics.data = ch;
|
||||
} else if (chUuid === LAST_DATA_UUID) {
|
||||
logger.debug('found LAST_DATA characteristic.');
|
||||
this.characteristics.lastData = ch;
|
||||
this.characteristics.lastDataProperties = prop;
|
||||
} else if (chUuid === AUTH_UUID) {
|
||||
logger.debug('found AUTH characteristic.');
|
||||
this.characteristics.auth = ch;
|
||||
} else if (chUuid === PING_UUID) {
|
||||
logger.debug('found PING characteristic.');
|
||||
this.characteristics.ping = ch;
|
||||
}
|
||||
/* eslint-eslint no-await-in-loop */
|
||||
}
|
||||
|
||||
return {
|
||||
addr,
|
||||
};
|
||||
}
|
||||
|
||||
async onDeviceConnected(device) {
|
||||
logger.info('onDeviceConnected()');
|
||||
logger.debug(`Device: ${device}`);
|
||||
if (!device) {
|
||||
logger.error('Device is null. Should we break/return when this happens?');
|
||||
}
|
||||
|
||||
const objects = await this.objectManager.GetManagedObjects();
|
||||
const paths = Object.keys(objects);
|
||||
const characteristics = [];
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const path of paths) {
|
||||
const interfaces = Object.keys(objects[path]);
|
||||
if (interfaces.indexOf(GATT_CHRC_ID) > -1) {
|
||||
characteristics.push(path);
|
||||
}
|
||||
}
|
||||
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const path of paths) {
|
||||
const interfaces = Object.keys(objects[path]);
|
||||
if (interfaces.indexOf(GATT_SERVICE_ID) > -1) {
|
||||
const chPaths = [];
|
||||
// eslint-disable-next-line no-restricted-syntax
|
||||
for (const c of characteristics) {
|
||||
if (c.startsWith(`${path}/`)) {
|
||||
chPaths.push(c);
|
||||
}
|
||||
}
|
||||
|
||||
logger.info(`trying ${chPaths.length} characteristics`);
|
||||
|
||||
this.plejdService = await this._processPlejdService(path, chPaths);
|
||||
if (this.plejdService) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!this.plejdService) {
|
||||
logger.info("warning: wasn't able to connect to Plejd, will retry.");
|
||||
this.emit('connectFailed');
|
||||
return;
|
||||
}
|
||||
|
||||
if (!this.characteristics.auth) {
|
||||
logger.error('unable to enumerate characteristics.');
|
||||
this.emit('connectFailed');
|
||||
return;
|
||||
}
|
||||
|
||||
this.connectedDevice = device.device;
|
||||
await this.authenticate();
|
||||
}
|
||||
|
||||
// eslint-disable-next-line no-unused-vars
|
||||
async onLastDataUpdated(iface, properties, invalidated) {
|
||||
if (iface !== GATT_CHRC_ID) {
|
||||
return;
|
||||
}
|
||||
|
||||
const changedKeys = Object.keys(properties);
|
||||
if (changedKeys.length === 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
const value = await properties.Value;
|
||||
if (!value) {
|
||||
return;
|
||||
}
|
||||
|
||||
const data = value.value;
|
||||
const decoded = this._encryptDecrypt(this.cryptoKey, this.plejdService.addr, data);
|
||||
|
||||
const deviceId = parseInt(decoded[0], 10);
|
||||
// What is bytes 2-3?
|
||||
const cmd = decoded.toString('hex', 3, 5);
|
||||
const state = parseInt(decoded.toString('hex', 5, 6), 10); // Overflows for command 0x001b, scene command
|
||||
// eslint-disable-next-line no-bitwise
|
||||
const data2 = parseInt(decoded.toString('hex', 6, 8), 16) >> 8;
|
||||
|
||||
if (decoded.length < 5) {
|
||||
logger.debug(`Too short raw event ignored: ${decoded.toString('hex')}`);
|
||||
// ignore the notification since too small
|
||||
return;
|
||||
}
|
||||
|
||||
const deviceName = this._getDeviceName(deviceId);
|
||||
logger.verbose(`Raw event received: ${decoded.toString('hex')}`);
|
||||
logger.verbose(
|
||||
`Device ${deviceId}, cmd ${cmd.toString('hex')}, state ${state}, dim/data2 ${data2}`,
|
||||
);
|
||||
|
||||
if (cmd === BLE_CMD_DIM_CHANGE || cmd === BLE_CMD_DIM2_CHANGE) {
|
||||
const dim = data2;
|
||||
|
||||
logger.debug(`${deviceName} (${deviceId}) got state+dim update. S: ${state}, D: ${dim}`);
|
||||
|
||||
this.emit('stateChanged', deviceId, {
|
||||
state,
|
||||
brightness: dim,
|
||||
});
|
||||
|
||||
this.plejdDevices[deviceId] = {
|
||||
state,
|
||||
dim,
|
||||
};
|
||||
logger.verbose(`All states: ${JSON.stringify(this.plejdDevices)}`);
|
||||
} else if (cmd === BLE_CMD_STATE_CHANGE) {
|
||||
logger.debug(`${deviceName} (${deviceId}) got state update. S: ${state}`);
|
||||
this.emit('stateChanged', deviceId, {
|
||||
state,
|
||||
});
|
||||
this.plejdDevices[deviceId] = {
|
||||
state,
|
||||
dim: 0,
|
||||
};
|
||||
logger.verbose(`All states: ${this.plejdDevices}`);
|
||||
} else if (cmd === BLE_CMD_SCENE_TRIG) {
|
||||
const sceneId = parseInt(decoded.toString('hex', 5, 6), 16);
|
||||
const sceneName = this._getDeviceName(sceneId);
|
||||
|
||||
logger.debug(
|
||||
`${sceneName} (${sceneId}) scene triggered (device id ${deviceId}). Name can be misleading if there is a device with the same numeric id.`,
|
||||
);
|
||||
|
||||
this.emit('sceneTriggered', deviceId, sceneId);
|
||||
} else if (cmd === '001b') {
|
||||
logger.silly('Command 001b seems to be some kind of often repeating ping/mesh data');
|
||||
} else {
|
||||
logger.verbose(`Command ${cmd.toString('hex')} unknown. Device ${deviceName} (${deviceId})`);
|
||||
}
|
||||
}
|
||||
|
||||
wireEvents() {
|
||||
logger.info('wireEvents()');
|
||||
const self = this;
|
||||
|
||||
this.on('pingFailed', this.onPingFailed.bind(self));
|
||||
this.on('pingSuccess', this.onPingSuccess.bind(self));
|
||||
}
|
||||
|
||||
// eslint-disable-next-line class-methods-use-this
|
||||
_createChallengeResponse(key, challenge) {
|
||||
const intermediate = crypto.createHash('sha256').update(xor(key, challenge)).digest();
|
||||
const part1 = intermediate.subarray(0, 16);
|
||||
const part2 = intermediate.subarray(16);
|
||||
|
||||
const resp = xor(part1, part2);
|
||||
|
||||
return resp;
|
||||
}
|
||||
|
||||
// eslint-disable-next-line class-methods-use-this
|
||||
_encryptDecrypt(key, addr, data) {
|
||||
const buf = Buffer.concat([addr, addr, addr.subarray(0, 4)]);
|
||||
|
||||
const cipher = crypto.createCipheriv('aes-128-ecb', key, '');
|
||||
cipher.setAutoPadding(false);
|
||||
|
||||
let ct = cipher.update(buf).toString('hex');
|
||||
ct += cipher.final().toString('hex');
|
||||
ct = Buffer.from(ct, 'hex');
|
||||
|
||||
let output = '';
|
||||
for (let i = 0, { length } = data; i < length; i++) {
|
||||
// eslint-disable-next-line no-bitwise
|
||||
output += String.fromCharCode(data[i] ^ ct[i % 16]);
|
||||
}
|
||||
|
||||
return Buffer.from(output, 'ascii');
|
||||
}
|
||||
|
||||
_getDeviceName(deviceId) {
|
||||
return (this.devices.find((d) => d.id === deviceId) || {}).name;
|
||||
}
|
||||
|
||||
// eslint-disable-next-line class-methods-use-this
|
||||
_reverseBuffer(src) {
|
||||
const buffer = Buffer.allocUnsafe(src.length);
|
||||
|
||||
for (let i = 0, j = src.length - 1; i <= j; ++i, --j) {
|
||||
buffer[i] = src[j];
|
||||
buffer[j] = src[i];
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = PlejdService;
|
||||
Loading…
Add table
Add a link
Reference in a new issue