mirror of
https://github.com/JasonYANG170/IOTConnect-Web.git
synced 2024-11-24 04:36:31 +00:00
1204 lines
45 KiB
JavaScript
1204 lines
45 KiB
JavaScript
|
"use strict";
|
||
|
|
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
|
||
|
|
if (k2 === undefined) k2 = k;
|
||
|
|
var desc = Object.getOwnPropertyDescriptor(m, k);
|
||
|
|
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
|
||
|
|
desc = { enumerable: true, get: function() { return m[k]; } };
|
||
|
|
}
|
||
|
|
Object.defineProperty(o, k2, desc);
|
||
|
|
}) : (function(o, m, k, k2) {
|
||
|
|
if (k2 === undefined) k2 = k;
|
||
|
|
o[k2] = m[k];
|
||
|
|
}));
|
||
|
|
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
|
||
|
|
Object.defineProperty(o, "default", { enumerable: true, value: v });
|
||
|
|
}) : function(o, v) {
|
||
|
|
o["default"] = v;
|
||
|
|
});
|
||
|
|
var __importStar = (this && this.__importStar) || function (mod) {
|
||
|
|
if (mod && mod.__esModule) return mod;
|
||
|
|
var result = {};
|
||
|
|
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
|
||
|
|
__setModuleDefault(result, mod);
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
var __importDefault = (this && this.__importDefault) || function (mod) {
|
||
|
|
return (mod && mod.__esModule) ? mod : { "default": mod };
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
const topic_alias_recv_1 = __importDefault(require("./topic-alias-recv"));
|
||
|
|
const mqtt_packet_1 = __importDefault(require("mqtt-packet"));
|
||
|
|
const default_message_id_provider_1 = __importDefault(require("./default-message-id-provider"));
|
||
|
|
const readable_stream_1 = require("readable-stream");
|
||
|
|
const default_1 = __importDefault(require("rfdc/default"));
|
||
|
|
const validations = __importStar(require("./validations"));
|
||
|
|
const debug_1 = __importDefault(require("debug"));
|
||
|
|
const store_1 = __importDefault(require("./store"));
|
||
|
|
const handlers_1 = __importDefault(require("./handlers"));
|
||
|
|
const shared_1 = require("./shared");
|
||
|
|
const TypedEmitter_1 = require("./TypedEmitter");
|
||
|
|
const PingTimer_1 = __importDefault(require("./PingTimer"));
|
||
|
|
const is_browser_1 = __importStar(require("./is-browser"));
|
||
|
|
const setImmediate = globalThis.setImmediate ||
|
||
|
|
((...args) => {
|
||
|
|
const callback = args.shift();
|
||
|
|
(0, shared_1.nextTick)(() => {
|
||
|
|
callback(...args);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
const defaultConnectOptions = {
|
||
|
|
keepalive: 60,
|
||
|
|
reschedulePings: true,
|
||
|
|
protocolId: 'MQTT',
|
||
|
|
protocolVersion: 4,
|
||
|
|
reconnectPeriod: 1000,
|
||
|
|
connectTimeout: 30 * 1000,
|
||
|
|
clean: true,
|
||
|
|
resubscribe: true,
|
||
|
|
writeCache: true,
|
||
|
|
};
|
||
|
|
class MqttClient extends TypedEmitter_1.TypedEventEmitter {
|
||
|
|
static defaultId() {
|
||
|
|
return `mqttjs_${Math.random().toString(16).substr(2, 8)}`;
|
||
|
|
}
|
||
|
|
constructor(streamBuilder, options) {
|
||
|
|
super();
|
||
|
|
this.options = options || {};
|
||
|
|
for (const k in defaultConnectOptions) {
|
||
|
|
if (typeof this.options[k] === 'undefined') {
|
||
|
|
this.options[k] = defaultConnectOptions[k];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.options[k] = options[k];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.log = this.options.log || (0, debug_1.default)('mqttjs:client');
|
||
|
|
this.noop = this._noop.bind(this);
|
||
|
|
this.log('MqttClient :: version:', process.env.npm_package_version);
|
||
|
|
if (is_browser_1.isWebWorker) {
|
||
|
|
this.log('MqttClient :: environment', 'webworker');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('MqttClient :: environment', is_browser_1.default ? 'browser' : 'node');
|
||
|
|
}
|
||
|
|
this.log('MqttClient :: options.protocol', options.protocol);
|
||
|
|
this.log('MqttClient :: options.protocolVersion', options.protocolVersion);
|
||
|
|
this.log('MqttClient :: options.username', options.username);
|
||
|
|
this.log('MqttClient :: options.keepalive', options.keepalive);
|
||
|
|
this.log('MqttClient :: options.reconnectPeriod', options.reconnectPeriod);
|
||
|
|
this.log('MqttClient :: options.rejectUnauthorized', options.rejectUnauthorized);
|
||
|
|
this.log('MqttClient :: options.properties.topicAliasMaximum', options.properties
|
||
|
|
? options.properties.topicAliasMaximum
|
||
|
|
: undefined);
|
||
|
|
this.options.clientId =
|
||
|
|
typeof options.clientId === 'string'
|
||
|
|
? options.clientId
|
||
|
|
: MqttClient.defaultId();
|
||
|
|
this.log('MqttClient :: clientId', this.options.clientId);
|
||
|
|
this.options.customHandleAcks =
|
||
|
|
options.protocolVersion === 5 && options.customHandleAcks
|
||
|
|
? options.customHandleAcks
|
||
|
|
: (...args) => {
|
||
|
|
args[3](null, 0);
|
||
|
|
};
|
||
|
|
if (!this.options.writeCache) {
|
||
|
|
mqtt_packet_1.default.writeToStream.cacheNumbers = false;
|
||
|
|
}
|
||
|
|
this.streamBuilder = streamBuilder;
|
||
|
|
this.messageIdProvider =
|
||
|
|
typeof this.options.messageIdProvider === 'undefined'
|
||
|
|
? new default_message_id_provider_1.default()
|
||
|
|
: this.options.messageIdProvider;
|
||
|
|
this.outgoingStore = options.outgoingStore || new store_1.default();
|
||
|
|
this.incomingStore = options.incomingStore || new store_1.default();
|
||
|
|
this.queueQoSZero =
|
||
|
|
options.queueQoSZero === undefined ? true : options.queueQoSZero;
|
||
|
|
this._resubscribeTopics = {};
|
||
|
|
this.messageIdToTopic = {};
|
||
|
|
this.pingTimer = null;
|
||
|
|
this.connected = false;
|
||
|
|
this.disconnecting = false;
|
||
|
|
this.reconnecting = false;
|
||
|
|
this.queue = [];
|
||
|
|
this.connackTimer = null;
|
||
|
|
this.reconnectTimer = null;
|
||
|
|
this._storeProcessing = false;
|
||
|
|
this._packetIdsDuringStoreProcessing = {};
|
||
|
|
this._storeProcessingQueue = [];
|
||
|
|
this.outgoing = {};
|
||
|
|
this._firstConnection = true;
|
||
|
|
if (options.properties && options.properties.topicAliasMaximum > 0) {
|
||
|
|
if (options.properties.topicAliasMaximum > 0xffff) {
|
||
|
|
this.log('MqttClient :: options.properties.topicAliasMaximum is out of range');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.topicAliasRecv = new topic_alias_recv_1.default(options.properties.topicAliasMaximum);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.on('connect', () => {
|
||
|
|
const { queue } = this;
|
||
|
|
const deliver = () => {
|
||
|
|
const entry = queue.shift();
|
||
|
|
this.log('deliver :: entry %o', entry);
|
||
|
|
let packet = null;
|
||
|
|
if (!entry) {
|
||
|
|
this._resubscribe();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
packet = entry.packet;
|
||
|
|
this.log('deliver :: call _sendPacket for %o', packet);
|
||
|
|
let send = true;
|
||
|
|
if (packet.messageId && packet.messageId !== 0) {
|
||
|
|
if (!this.messageIdProvider.register(packet.messageId)) {
|
||
|
|
send = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (send) {
|
||
|
|
this._sendPacket(packet, (err) => {
|
||
|
|
if (entry.cb) {
|
||
|
|
entry.cb(err);
|
||
|
|
}
|
||
|
|
deliver();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('messageId: %d has already used. The message is skipped and removed.', packet.messageId);
|
||
|
|
deliver();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
this.log('connect :: sending queued packets');
|
||
|
|
deliver();
|
||
|
|
});
|
||
|
|
this.on('close', () => {
|
||
|
|
this.log('close :: connected set to `false`');
|
||
|
|
this.connected = false;
|
||
|
|
this.log('close :: clearing connackTimer');
|
||
|
|
clearTimeout(this.connackTimer);
|
||
|
|
this.log('close :: clearing ping timer');
|
||
|
|
if (this.pingTimer) {
|
||
|
|
this.pingTimer.clear();
|
||
|
|
this.pingTimer = null;
|
||
|
|
}
|
||
|
|
if (this.topicAliasRecv) {
|
||
|
|
this.topicAliasRecv.clear();
|
||
|
|
}
|
||
|
|
this.log('close :: calling _setupReconnect');
|
||
|
|
this._setupReconnect();
|
||
|
|
});
|
||
|
|
if (!this.options.manualConnect) {
|
||
|
|
this.log('MqttClient :: setting up stream');
|
||
|
|
this.connect();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
handleAuth(packet, callback) {
|
||
|
|
callback();
|
||
|
|
}
|
||
|
|
handleMessage(packet, callback) {
|
||
|
|
callback();
|
||
|
|
}
|
||
|
|
_nextId() {
|
||
|
|
return this.messageIdProvider.allocate();
|
||
|
|
}
|
||
|
|
getLastMessageId() {
|
||
|
|
return this.messageIdProvider.getLastAllocated();
|
||
|
|
}
|
||
|
|
connect() {
|
||
|
|
var _a;
|
||
|
|
const writable = new readable_stream_1.Writable();
|
||
|
|
const parser = mqtt_packet_1.default.parser(this.options);
|
||
|
|
let completeParse = null;
|
||
|
|
const packets = [];
|
||
|
|
this.log('connect :: calling method to clear reconnect');
|
||
|
|
this._clearReconnect();
|
||
|
|
this.log('connect :: using streamBuilder provided to client to create stream');
|
||
|
|
this.stream = this.streamBuilder(this);
|
||
|
|
parser.on('packet', (packet) => {
|
||
|
|
this.log('parser :: on packet push to packets array.');
|
||
|
|
packets.push(packet);
|
||
|
|
});
|
||
|
|
const work = () => {
|
||
|
|
this.log('work :: getting next packet in queue');
|
||
|
|
const packet = packets.shift();
|
||
|
|
if (packet) {
|
||
|
|
this.log('work :: packet pulled from queue');
|
||
|
|
(0, handlers_1.default)(this, packet, nextTickWork);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('work :: no packets in queue');
|
||
|
|
const done = completeParse;
|
||
|
|
completeParse = null;
|
||
|
|
this.log('work :: done flag is %s', !!done);
|
||
|
|
if (done)
|
||
|
|
done();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const nextTickWork = () => {
|
||
|
|
if (packets.length) {
|
||
|
|
(0, shared_1.nextTick)(work);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const done = completeParse;
|
||
|
|
completeParse = null;
|
||
|
|
done();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
writable._write = (buf, enc, done) => {
|
||
|
|
completeParse = done;
|
||
|
|
this.log('writable stream :: parsing buffer');
|
||
|
|
parser.parse(buf);
|
||
|
|
work();
|
||
|
|
};
|
||
|
|
const streamErrorHandler = (error) => {
|
||
|
|
this.log('streamErrorHandler :: error', error.message);
|
||
|
|
if (error.code) {
|
||
|
|
this.log('streamErrorHandler :: emitting error');
|
||
|
|
this.emit('error', error);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.noop(error);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
this.log('connect :: pipe stream to writable stream');
|
||
|
|
this.stream.pipe(writable);
|
||
|
|
this.stream.on('error', streamErrorHandler);
|
||
|
|
this.stream.on('close', () => {
|
||
|
|
this.log('(%s)stream :: on close', this.options.clientId);
|
||
|
|
this._flushVolatile();
|
||
|
|
this.log('stream: emit close to MqttClient');
|
||
|
|
this.emit('close');
|
||
|
|
});
|
||
|
|
this.log('connect: sending packet `connect`');
|
||
|
|
const connectPacket = {
|
||
|
|
cmd: 'connect',
|
||
|
|
protocolId: this.options.protocolId,
|
||
|
|
protocolVersion: this.options.protocolVersion,
|
||
|
|
clean: this.options.clean,
|
||
|
|
clientId: this.options.clientId,
|
||
|
|
keepalive: this.options.keepalive,
|
||
|
|
username: this.options.username,
|
||
|
|
password: this.options.password,
|
||
|
|
properties: this.options.properties,
|
||
|
|
};
|
||
|
|
if (this.options.will) {
|
||
|
|
connectPacket.will = Object.assign(Object.assign({}, this.options.will), { payload: (_a = this.options.will) === null || _a === void 0 ? void 0 : _a.payload });
|
||
|
|
}
|
||
|
|
if (this.topicAliasRecv) {
|
||
|
|
if (!connectPacket.properties) {
|
||
|
|
connectPacket.properties = {};
|
||
|
|
}
|
||
|
|
if (this.topicAliasRecv) {
|
||
|
|
connectPacket.properties.topicAliasMaximum =
|
||
|
|
this.topicAliasRecv.max;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._writePacket(connectPacket);
|
||
|
|
parser.on('error', this.emit.bind(this, 'error'));
|
||
|
|
if (this.options.properties) {
|
||
|
|
if (!this.options.properties.authenticationMethod &&
|
||
|
|
this.options.properties.authenticationData) {
|
||
|
|
this.end(() => this.emit('error', new Error('Packet has no Authentication Method')));
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if (this.options.properties.authenticationMethod &&
|
||
|
|
this.options.authPacket &&
|
||
|
|
typeof this.options.authPacket === 'object') {
|
||
|
|
const authPacket = Object.assign({ cmd: 'auth', reasonCode: 0 }, this.options.authPacket);
|
||
|
|
this._writePacket(authPacket);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.stream.setMaxListeners(1000);
|
||
|
|
clearTimeout(this.connackTimer);
|
||
|
|
this.connackTimer = setTimeout(() => {
|
||
|
|
this.log('!!connectTimeout hit!! Calling _cleanUp with force `true`');
|
||
|
|
this.emit('error', new Error('connack timeout'));
|
||
|
|
this._cleanUp(true);
|
||
|
|
}, this.options.connectTimeout);
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
publish(topic, message, opts, callback) {
|
||
|
|
this.log('publish :: message `%s` to topic `%s`', message, topic);
|
||
|
|
const { options } = this;
|
||
|
|
if (typeof opts === 'function') {
|
||
|
|
callback = opts;
|
||
|
|
opts = null;
|
||
|
|
}
|
||
|
|
opts = opts || {};
|
||
|
|
const defaultOpts = {
|
||
|
|
qos: 0,
|
||
|
|
retain: false,
|
||
|
|
dup: false,
|
||
|
|
};
|
||
|
|
opts = Object.assign(Object.assign({}, defaultOpts), opts);
|
||
|
|
const { qos, retain, dup, properties, cbStorePut } = opts;
|
||
|
|
if (this._checkDisconnecting(callback)) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
const publishProc = () => {
|
||
|
|
let messageId = 0;
|
||
|
|
if (qos === 1 || qos === 2) {
|
||
|
|
messageId = this._nextId();
|
||
|
|
if (messageId === null) {
|
||
|
|
this.log('No messageId left');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const packet = {
|
||
|
|
cmd: 'publish',
|
||
|
|
topic,
|
||
|
|
payload: message,
|
||
|
|
qos,
|
||
|
|
retain,
|
||
|
|
messageId,
|
||
|
|
dup,
|
||
|
|
};
|
||
|
|
if (options.protocolVersion === 5) {
|
||
|
|
packet.properties = properties;
|
||
|
|
}
|
||
|
|
this.log('publish :: qos', qos);
|
||
|
|
switch (qos) {
|
||
|
|
case 1:
|
||
|
|
case 2:
|
||
|
|
this.outgoing[packet.messageId] = {
|
||
|
|
volatile: false,
|
||
|
|
cb: callback || this.noop,
|
||
|
|
};
|
||
|
|
this.log('MqttClient:publish: packet cmd: %s', packet.cmd);
|
||
|
|
this._sendPacket(packet, undefined, cbStorePut);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
this.log('MqttClient:publish: packet cmd: %s', packet.cmd);
|
||
|
|
this._sendPacket(packet, callback, cbStorePut);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
if (this._storeProcessing ||
|
||
|
|
this._storeProcessingQueue.length > 0 ||
|
||
|
|
!publishProc()) {
|
||
|
|
this._storeProcessingQueue.push({
|
||
|
|
invoke: publishProc,
|
||
|
|
cbStorePut: opts.cbStorePut,
|
||
|
|
callback,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
publishAsync(topic, message, opts) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.publish(topic, message, opts, (err, packet) => {
|
||
|
|
if (err) {
|
||
|
|
reject(err);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(packet);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
subscribe(topicObject, opts, callback) {
|
||
|
|
const version = this.options.protocolVersion;
|
||
|
|
if (typeof opts === 'function') {
|
||
|
|
callback = opts;
|
||
|
|
}
|
||
|
|
callback = callback || this.noop;
|
||
|
|
let resubscribe = false;
|
||
|
|
let topicsList = [];
|
||
|
|
if (typeof topicObject === 'string') {
|
||
|
|
topicObject = [topicObject];
|
||
|
|
topicsList = topicObject;
|
||
|
|
}
|
||
|
|
else if (Array.isArray(topicObject)) {
|
||
|
|
topicsList = topicObject;
|
||
|
|
}
|
||
|
|
else if (typeof topicObject === 'object') {
|
||
|
|
resubscribe = topicObject.resubscribe;
|
||
|
|
delete topicObject.resubscribe;
|
||
|
|
topicsList = Object.keys(topicObject);
|
||
|
|
}
|
||
|
|
const invalidTopic = validations.validateTopics(topicsList);
|
||
|
|
if (invalidTopic !== null) {
|
||
|
|
setImmediate(callback, new Error(`Invalid topic ${invalidTopic}`));
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if (this._checkDisconnecting(callback)) {
|
||
|
|
this.log('subscribe: discconecting true');
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
const defaultOpts = {
|
||
|
|
qos: 0,
|
||
|
|
};
|
||
|
|
if (version === 5) {
|
||
|
|
defaultOpts.nl = false;
|
||
|
|
defaultOpts.rap = false;
|
||
|
|
defaultOpts.rh = 0;
|
||
|
|
}
|
||
|
|
opts = Object.assign(Object.assign({}, defaultOpts), opts);
|
||
|
|
const properties = opts.properties;
|
||
|
|
const subs = [];
|
||
|
|
const parseSub = (topic, subOptions) => {
|
||
|
|
subOptions = (subOptions || opts);
|
||
|
|
if (!Object.prototype.hasOwnProperty.call(this._resubscribeTopics, topic) ||
|
||
|
|
this._resubscribeTopics[topic].qos < subOptions.qos ||
|
||
|
|
resubscribe) {
|
||
|
|
const currentOpts = {
|
||
|
|
topic,
|
||
|
|
qos: subOptions.qos,
|
||
|
|
};
|
||
|
|
if (version === 5) {
|
||
|
|
currentOpts.nl = subOptions.nl;
|
||
|
|
currentOpts.rap = subOptions.rap;
|
||
|
|
currentOpts.rh = subOptions.rh;
|
||
|
|
currentOpts.properties = properties;
|
||
|
|
}
|
||
|
|
this.log('subscribe: pushing topic `%s` and qos `%s` to subs list', currentOpts.topic, currentOpts.qos);
|
||
|
|
subs.push(currentOpts);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
if (Array.isArray(topicObject)) {
|
||
|
|
topicObject.forEach((topic) => {
|
||
|
|
this.log('subscribe: array topic %s', topic);
|
||
|
|
parseSub(topic);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
Object.keys(topicObject).forEach((topic) => {
|
||
|
|
this.log('subscribe: object topic %s, %o', topic, topicObject[topic]);
|
||
|
|
parseSub(topic, topicObject[topic]);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (!subs.length) {
|
||
|
|
callback(null, []);
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
const subscribeProc = () => {
|
||
|
|
const messageId = this._nextId();
|
||
|
|
if (messageId === null) {
|
||
|
|
this.log('No messageId left');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
const packet = {
|
||
|
|
cmd: 'subscribe',
|
||
|
|
subscriptions: subs,
|
||
|
|
messageId,
|
||
|
|
};
|
||
|
|
if (properties) {
|
||
|
|
packet.properties = properties;
|
||
|
|
}
|
||
|
|
if (this.options.resubscribe) {
|
||
|
|
this.log('subscribe :: resubscribe true');
|
||
|
|
const topics = [];
|
||
|
|
subs.forEach((sub) => {
|
||
|
|
if (this.options.reconnectPeriod > 0) {
|
||
|
|
const topic = { qos: sub.qos };
|
||
|
|
if (version === 5) {
|
||
|
|
topic.nl = sub.nl || false;
|
||
|
|
topic.rap = sub.rap || false;
|
||
|
|
topic.rh = sub.rh || 0;
|
||
|
|
topic.properties = sub.properties;
|
||
|
|
}
|
||
|
|
this._resubscribeTopics[sub.topic] = topic;
|
||
|
|
topics.push(sub.topic);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
this.messageIdToTopic[packet.messageId] = topics;
|
||
|
|
}
|
||
|
|
this.outgoing[packet.messageId] = {
|
||
|
|
volatile: true,
|
||
|
|
cb(err, packet2) {
|
||
|
|
if (!err) {
|
||
|
|
const { granted } = packet2;
|
||
|
|
for (let i = 0; i < granted.length; i += 1) {
|
||
|
|
subs[i].qos = granted[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
callback(err, subs);
|
||
|
|
},
|
||
|
|
};
|
||
|
|
this.log('subscribe :: call _sendPacket');
|
||
|
|
this._sendPacket(packet);
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
if (this._storeProcessing ||
|
||
|
|
this._storeProcessingQueue.length > 0 ||
|
||
|
|
!subscribeProc()) {
|
||
|
|
this._storeProcessingQueue.push({
|
||
|
|
invoke: subscribeProc,
|
||
|
|
callback,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
subscribeAsync(topicObject, opts) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.subscribe(topicObject, opts, (err, granted) => {
|
||
|
|
if (err) {
|
||
|
|
reject(err);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(granted);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
unsubscribe(topic, opts, callback) {
|
||
|
|
if (typeof topic === 'string') {
|
||
|
|
topic = [topic];
|
||
|
|
}
|
||
|
|
if (typeof opts === 'function') {
|
||
|
|
callback = opts;
|
||
|
|
}
|
||
|
|
callback = callback || this.noop;
|
||
|
|
const invalidTopic = validations.validateTopics(topic);
|
||
|
|
if (invalidTopic !== null) {
|
||
|
|
setImmediate(callback, new Error(`Invalid topic ${invalidTopic}`));
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if (this._checkDisconnecting(callback)) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
const unsubscribeProc = () => {
|
||
|
|
const messageId = this._nextId();
|
||
|
|
if (messageId === null) {
|
||
|
|
this.log('No messageId left');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
const packet = {
|
||
|
|
cmd: 'unsubscribe',
|
||
|
|
messageId,
|
||
|
|
unsubscriptions: [],
|
||
|
|
};
|
||
|
|
if (typeof topic === 'string') {
|
||
|
|
packet.unsubscriptions = [topic];
|
||
|
|
}
|
||
|
|
else if (Array.isArray(topic)) {
|
||
|
|
packet.unsubscriptions = topic;
|
||
|
|
}
|
||
|
|
if (this.options.resubscribe) {
|
||
|
|
packet.unsubscriptions.forEach((topic2) => {
|
||
|
|
delete this._resubscribeTopics[topic2];
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (typeof opts === 'object' && opts.properties) {
|
||
|
|
packet.properties = opts.properties;
|
||
|
|
}
|
||
|
|
this.outgoing[packet.messageId] = {
|
||
|
|
volatile: true,
|
||
|
|
cb: callback,
|
||
|
|
};
|
||
|
|
this.log('unsubscribe: call _sendPacket');
|
||
|
|
this._sendPacket(packet);
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
if (this._storeProcessing ||
|
||
|
|
this._storeProcessingQueue.length > 0 ||
|
||
|
|
!unsubscribeProc()) {
|
||
|
|
this._storeProcessingQueue.push({
|
||
|
|
invoke: unsubscribeProc,
|
||
|
|
callback,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
unsubscribeAsync(topic, opts) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.unsubscribe(topic, opts, (err, packet) => {
|
||
|
|
if (err) {
|
||
|
|
reject(err);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(packet);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
end(force, opts, cb) {
|
||
|
|
this.log('end :: (%s)', this.options.clientId);
|
||
|
|
if (force == null || typeof force !== 'boolean') {
|
||
|
|
cb = cb || opts;
|
||
|
|
opts = force;
|
||
|
|
force = false;
|
||
|
|
}
|
||
|
|
if (typeof opts !== 'object') {
|
||
|
|
cb = cb || opts;
|
||
|
|
opts = null;
|
||
|
|
}
|
||
|
|
this.log('end :: cb? %s', !!cb);
|
||
|
|
if (!cb || typeof cb !== 'function') {
|
||
|
|
cb = this.noop;
|
||
|
|
}
|
||
|
|
const closeStores = () => {
|
||
|
|
this.log('end :: closeStores: closing incoming and outgoing stores');
|
||
|
|
this.disconnected = true;
|
||
|
|
this.incomingStore.close((e1) => {
|
||
|
|
this.outgoingStore.close((e2) => {
|
||
|
|
this.log('end :: closeStores: emitting end');
|
||
|
|
this.emit('end');
|
||
|
|
if (cb) {
|
||
|
|
const err = e1 || e2;
|
||
|
|
this.log('end :: closeStores: invoking callback with args');
|
||
|
|
cb(err);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
if (this._deferredReconnect) {
|
||
|
|
this._deferredReconnect();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const finish = () => {
|
||
|
|
this.log('end :: (%s) :: finish :: calling _cleanUp with force %s', this.options.clientId, force);
|
||
|
|
this._cleanUp(force, () => {
|
||
|
|
this.log('end :: finish :: calling process.nextTick on closeStores');
|
||
|
|
(0, shared_1.nextTick)(closeStores);
|
||
|
|
}, opts);
|
||
|
|
};
|
||
|
|
if (this.disconnecting) {
|
||
|
|
cb();
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
this._clearReconnect();
|
||
|
|
this.disconnecting = true;
|
||
|
|
if (!force && Object.keys(this.outgoing).length > 0) {
|
||
|
|
this.log('end :: (%s) :: calling finish in 10ms once outgoing is empty', this.options.clientId);
|
||
|
|
this.once('outgoingEmpty', setTimeout.bind(null, finish, 10));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('end :: (%s) :: immediately calling finish', this.options.clientId);
|
||
|
|
finish();
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
endAsync(force, opts) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.end(force, opts, (err) => {
|
||
|
|
if (err) {
|
||
|
|
reject(err);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
removeOutgoingMessage(messageId) {
|
||
|
|
if (this.outgoing[messageId]) {
|
||
|
|
const { cb } = this.outgoing[messageId];
|
||
|
|
this._removeOutgoingAndStoreMessage(messageId, () => {
|
||
|
|
cb(new Error('Message removed'));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
reconnect(opts) {
|
||
|
|
this.log('client reconnect');
|
||
|
|
const f = () => {
|
||
|
|
if (opts) {
|
||
|
|
this.options.incomingStore = opts.incomingStore;
|
||
|
|
this.options.outgoingStore = opts.outgoingStore;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.options.incomingStore = null;
|
||
|
|
this.options.outgoingStore = null;
|
||
|
|
}
|
||
|
|
this.incomingStore = this.options.incomingStore || new store_1.default();
|
||
|
|
this.outgoingStore = this.options.outgoingStore || new store_1.default();
|
||
|
|
this.disconnecting = false;
|
||
|
|
this.disconnected = false;
|
||
|
|
this._deferredReconnect = null;
|
||
|
|
this._reconnect();
|
||
|
|
};
|
||
|
|
if (this.disconnecting && !this.disconnected) {
|
||
|
|
this._deferredReconnect = f;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
f();
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
_flushVolatile() {
|
||
|
|
if (this.outgoing) {
|
||
|
|
this.log('_flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function');
|
||
|
|
Object.keys(this.outgoing).forEach((messageId) => {
|
||
|
|
if (this.outgoing[messageId].volatile &&
|
||
|
|
typeof this.outgoing[messageId].cb === 'function') {
|
||
|
|
this.outgoing[messageId].cb(new Error('Connection closed'));
|
||
|
|
delete this.outgoing[messageId];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_flush() {
|
||
|
|
if (this.outgoing) {
|
||
|
|
this.log('_flush: queue exists? %b', !!this.outgoing);
|
||
|
|
Object.keys(this.outgoing).forEach((messageId) => {
|
||
|
|
if (typeof this.outgoing[messageId].cb === 'function') {
|
||
|
|
this.outgoing[messageId].cb(new Error('Connection closed'));
|
||
|
|
delete this.outgoing[messageId];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_removeTopicAliasAndRecoverTopicName(packet) {
|
||
|
|
let alias;
|
||
|
|
if (packet.properties) {
|
||
|
|
alias = packet.properties.topicAlias;
|
||
|
|
}
|
||
|
|
let topic = packet.topic.toString();
|
||
|
|
this.log('_removeTopicAliasAndRecoverTopicName :: alias %d, topic %o', alias, topic);
|
||
|
|
if (topic.length === 0) {
|
||
|
|
if (typeof alias === 'undefined') {
|
||
|
|
return new Error('Unregistered Topic Alias');
|
||
|
|
}
|
||
|
|
topic = this.topicAliasSend.getTopicByAlias(alias);
|
||
|
|
if (typeof topic === 'undefined') {
|
||
|
|
return new Error('Unregistered Topic Alias');
|
||
|
|
}
|
||
|
|
packet.topic = topic;
|
||
|
|
}
|
||
|
|
if (alias) {
|
||
|
|
delete packet.properties.topicAlias;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_checkDisconnecting(callback) {
|
||
|
|
if (this.disconnecting) {
|
||
|
|
if (callback && callback !== this.noop) {
|
||
|
|
callback(new Error('client disconnecting'));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.emit('error', new Error('client disconnecting'));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this.disconnecting;
|
||
|
|
}
|
||
|
|
_reconnect() {
|
||
|
|
this.log('_reconnect: emitting reconnect to client');
|
||
|
|
this.emit('reconnect');
|
||
|
|
if (this.connected) {
|
||
|
|
this.end(() => {
|
||
|
|
this.connect();
|
||
|
|
});
|
||
|
|
this.log('client already connected. disconnecting first.');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('_reconnect: calling connect');
|
||
|
|
this.connect();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_setupReconnect() {
|
||
|
|
if (!this.disconnecting &&
|
||
|
|
!this.reconnectTimer &&
|
||
|
|
this.options.reconnectPeriod > 0) {
|
||
|
|
if (!this.reconnecting) {
|
||
|
|
this.log('_setupReconnect :: emit `offline` state');
|
||
|
|
this.emit('offline');
|
||
|
|
this.log('_setupReconnect :: set `reconnecting` to `true`');
|
||
|
|
this.reconnecting = true;
|
||
|
|
}
|
||
|
|
this.log('_setupReconnect :: setting reconnectTimer for %d ms', this.options.reconnectPeriod);
|
||
|
|
this.reconnectTimer = setInterval(() => {
|
||
|
|
this.log('reconnectTimer :: reconnect triggered!');
|
||
|
|
this._reconnect();
|
||
|
|
}, this.options.reconnectPeriod);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('_setupReconnect :: doing nothing...');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_clearReconnect() {
|
||
|
|
this.log('_clearReconnect : clearing reconnect timer');
|
||
|
|
if (this.reconnectTimer) {
|
||
|
|
clearInterval(this.reconnectTimer);
|
||
|
|
this.reconnectTimer = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_cleanUp(forced, done, opts = {}) {
|
||
|
|
if (done) {
|
||
|
|
this.log('_cleanUp :: done callback provided for on stream close');
|
||
|
|
this.stream.on('close', done);
|
||
|
|
}
|
||
|
|
this.log('_cleanUp :: forced? %s', forced);
|
||
|
|
if (forced) {
|
||
|
|
if (this.options.reconnectPeriod === 0 && this.options.clean) {
|
||
|
|
this._flush();
|
||
|
|
}
|
||
|
|
this.log('_cleanUp :: (%s) :: destroying stream', this.options.clientId);
|
||
|
|
this.stream.destroy();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const packet = Object.assign({ cmd: 'disconnect' }, opts);
|
||
|
|
this.log('_cleanUp :: (%s) :: call _sendPacket with disconnect packet', this.options.clientId);
|
||
|
|
this._sendPacket(packet, () => {
|
||
|
|
this.log('_cleanUp :: (%s) :: destroying stream', this.options.clientId);
|
||
|
|
setImmediate(() => {
|
||
|
|
this.stream.end(() => {
|
||
|
|
this.log('_cleanUp :: (%s) :: stream destroyed', this.options.clientId);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (!this.disconnecting && !this.reconnecting) {
|
||
|
|
this.log('_cleanUp :: client not disconnecting/reconnecting. Clearing and resetting reconnect.');
|
||
|
|
this._clearReconnect();
|
||
|
|
this._setupReconnect();
|
||
|
|
}
|
||
|
|
if (this.pingTimer) {
|
||
|
|
this.log('_cleanUp :: clearing pingTimer');
|
||
|
|
this.pingTimer.clear();
|
||
|
|
this.pingTimer = null;
|
||
|
|
}
|
||
|
|
if (done && !this.connected) {
|
||
|
|
this.log('_cleanUp :: (%s) :: removing stream `done` callback `close` listener', this.options.clientId);
|
||
|
|
this.stream.removeListener('close', done);
|
||
|
|
done();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_storeAndSend(packet, cb, cbStorePut) {
|
||
|
|
this.log('storeAndSend :: store packet with cmd %s to outgoingStore', packet.cmd);
|
||
|
|
let storePacket = packet;
|
||
|
|
let err;
|
||
|
|
if (storePacket.cmd === 'publish') {
|
||
|
|
storePacket = (0, default_1.default)(packet);
|
||
|
|
err = this._removeTopicAliasAndRecoverTopicName(storePacket);
|
||
|
|
if (err) {
|
||
|
|
return cb && cb(err);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.outgoingStore.put(storePacket, (err2) => {
|
||
|
|
if (err2) {
|
||
|
|
return cb && cb(err2);
|
||
|
|
}
|
||
|
|
cbStorePut();
|
||
|
|
this._writePacket(packet, cb);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
_applyTopicAlias(packet) {
|
||
|
|
if (this.options.protocolVersion === 5) {
|
||
|
|
if (packet.cmd === 'publish') {
|
||
|
|
let alias;
|
||
|
|
if (packet.properties) {
|
||
|
|
alias = packet.properties.topicAlias;
|
||
|
|
}
|
||
|
|
const topic = packet.topic.toString();
|
||
|
|
if (this.topicAliasSend) {
|
||
|
|
if (alias) {
|
||
|
|
if (topic.length !== 0) {
|
||
|
|
this.log('applyTopicAlias :: register topic: %s - alias: %d', topic, alias);
|
||
|
|
if (!this.topicAliasSend.put(topic, alias)) {
|
||
|
|
this.log('applyTopicAlias :: error out of range. topic: %s - alias: %d', topic, alias);
|
||
|
|
return new Error('Sending Topic Alias out of range');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (topic.length !== 0) {
|
||
|
|
if (this.options.autoAssignTopicAlias) {
|
||
|
|
alias = this.topicAliasSend.getAliasByTopic(topic);
|
||
|
|
if (alias) {
|
||
|
|
packet.topic = '';
|
||
|
|
packet.properties = Object.assign(Object.assign({}, packet.properties), { topicAlias: alias });
|
||
|
|
this.log('applyTopicAlias :: auto assign(use) topic: %s - alias: %d', topic, alias);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
alias = this.topicAliasSend.getLruAlias();
|
||
|
|
this.topicAliasSend.put(topic, alias);
|
||
|
|
packet.properties = Object.assign(Object.assign({}, packet.properties), { topicAlias: alias });
|
||
|
|
this.log('applyTopicAlias :: auto assign topic: %s - alias: %d', topic, alias);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (this.options.autoUseTopicAlias) {
|
||
|
|
alias = this.topicAliasSend.getAliasByTopic(topic);
|
||
|
|
if (alias) {
|
||
|
|
packet.topic = '';
|
||
|
|
packet.properties = Object.assign(Object.assign({}, packet.properties), { topicAlias: alias });
|
||
|
|
this.log('applyTopicAlias :: auto use topic: %s - alias: %d', topic, alias);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (alias) {
|
||
|
|
this.log('applyTopicAlias :: error out of range. topic: %s - alias: %d', topic, alias);
|
||
|
|
return new Error('Sending Topic Alias out of range');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_noop(err) {
|
||
|
|
this.log('noop ::', err);
|
||
|
|
}
|
||
|
|
_writePacket(packet, cb) {
|
||
|
|
this.log('_writePacket :: packet: %O', packet);
|
||
|
|
this.log('_writePacket :: emitting `packetsend`');
|
||
|
|
this.emit('packetsend', packet);
|
||
|
|
this._shiftPingInterval();
|
||
|
|
this.log('_writePacket :: writing to stream');
|
||
|
|
const result = mqtt_packet_1.default.writeToStream(packet, this.stream, this.options);
|
||
|
|
this.log('_writePacket :: writeToStream result %s', result);
|
||
|
|
if (!result && cb && cb !== this.noop) {
|
||
|
|
this.log('_writePacket :: handle events on `drain` once through callback.');
|
||
|
|
this.stream.once('drain', cb);
|
||
|
|
}
|
||
|
|
else if (cb) {
|
||
|
|
this.log('_writePacket :: invoking cb');
|
||
|
|
cb();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_sendPacket(packet, cb, cbStorePut, noStore) {
|
||
|
|
this.log('_sendPacket :: (%s) :: start', this.options.clientId);
|
||
|
|
cbStorePut = cbStorePut || this.noop;
|
||
|
|
cb = cb || this.noop;
|
||
|
|
const err = this._applyTopicAlias(packet);
|
||
|
|
if (err) {
|
||
|
|
cb(err);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.connected) {
|
||
|
|
if (packet.cmd === 'auth') {
|
||
|
|
this._writePacket(packet, cb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.log('_sendPacket :: client not connected. Storing packet offline.');
|
||
|
|
this._storePacket(packet, cb, cbStorePut);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (noStore) {
|
||
|
|
this._writePacket(packet, cb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch (packet.cmd) {
|
||
|
|
case 'publish':
|
||
|
|
break;
|
||
|
|
case 'pubrel':
|
||
|
|
this._storeAndSend(packet, cb, cbStorePut);
|
||
|
|
return;
|
||
|
|
default:
|
||
|
|
this._writePacket(packet, cb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch (packet.qos) {
|
||
|
|
case 2:
|
||
|
|
case 1:
|
||
|
|
this._storeAndSend(packet, cb, cbStorePut);
|
||
|
|
break;
|
||
|
|
case 0:
|
||
|
|
default:
|
||
|
|
this._writePacket(packet, cb);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
this.log('_sendPacket :: (%s) :: end', this.options.clientId);
|
||
|
|
}
|
||
|
|
_storePacket(packet, cb, cbStorePut) {
|
||
|
|
this.log('_storePacket :: packet: %o', packet);
|
||
|
|
this.log('_storePacket :: cb? %s', !!cb);
|
||
|
|
cbStorePut = cbStorePut || this.noop;
|
||
|
|
let storePacket = packet;
|
||
|
|
if (storePacket.cmd === 'publish') {
|
||
|
|
storePacket = (0, default_1.default)(packet);
|
||
|
|
const err = this._removeTopicAliasAndRecoverTopicName(storePacket);
|
||
|
|
if (err) {
|
||
|
|
return cb && cb(err);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const qos = storePacket.qos || 0;
|
||
|
|
if ((qos === 0 && this.queueQoSZero) || storePacket.cmd !== 'publish') {
|
||
|
|
this.queue.push({ packet: storePacket, cb });
|
||
|
|
}
|
||
|
|
else if (qos > 0) {
|
||
|
|
cb = this.outgoing[storePacket.messageId]
|
||
|
|
? this.outgoing[storePacket.messageId].cb
|
||
|
|
: null;
|
||
|
|
this.outgoingStore.put(storePacket, (err) => {
|
||
|
|
if (err) {
|
||
|
|
return cb && cb(err);
|
||
|
|
}
|
||
|
|
cbStorePut();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else if (cb) {
|
||
|
|
cb(new Error('No connection to broker'));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_setupPingTimer() {
|
||
|
|
this.log('_setupPingTimer :: keepalive %d (seconds)', this.options.keepalive);
|
||
|
|
if (!this.pingTimer && this.options.keepalive) {
|
||
|
|
this.pingResp = true;
|
||
|
|
this.pingTimer = new PingTimer_1.default(this.options.keepalive, () => {
|
||
|
|
this._checkPing();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_shiftPingInterval() {
|
||
|
|
if (this.pingTimer &&
|
||
|
|
this.options.keepalive &&
|
||
|
|
this.options.reschedulePings) {
|
||
|
|
this.pingTimer.reschedule();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_checkPing() {
|
||
|
|
this.log('_checkPing :: checking ping...');
|
||
|
|
if (this.pingResp) {
|
||
|
|
this.log('_checkPing :: ping response received. Clearing flag and sending `pingreq`');
|
||
|
|
this.pingResp = false;
|
||
|
|
this._sendPacket({ cmd: 'pingreq' });
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.emit('error', new Error('Keepalive timeout'));
|
||
|
|
this.log('_checkPing :: calling _cleanUp with force true');
|
||
|
|
this._cleanUp(true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_resubscribe() {
|
||
|
|
this.log('_resubscribe');
|
||
|
|
const _resubscribeTopicsKeys = Object.keys(this._resubscribeTopics);
|
||
|
|
if (!this._firstConnection &&
|
||
|
|
(this.options.clean ||
|
||
|
|
(this.options.protocolVersion >= 4 &&
|
||
|
|
!this.connackPacket.sessionPresent)) &&
|
||
|
|
_resubscribeTopicsKeys.length > 0) {
|
||
|
|
if (this.options.resubscribe) {
|
||
|
|
if (this.options.protocolVersion === 5) {
|
||
|
|
this.log('_resubscribe: protocolVersion 5');
|
||
|
|
for (let topicI = 0; topicI < _resubscribeTopicsKeys.length; topicI++) {
|
||
|
|
const resubscribeTopic = {};
|
||
|
|
resubscribeTopic[_resubscribeTopicsKeys[topicI]] =
|
||
|
|
this._resubscribeTopics[_resubscribeTopicsKeys[topicI]];
|
||
|
|
resubscribeTopic.resubscribe = true;
|
||
|
|
this.subscribe(resubscribeTopic, {
|
||
|
|
properties: resubscribeTopic[_resubscribeTopicsKeys[topicI]]
|
||
|
|
.properties,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._resubscribeTopics.resubscribe = true;
|
||
|
|
this.subscribe(this._resubscribeTopics);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._resubscribeTopics = {};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._firstConnection = false;
|
||
|
|
}
|
||
|
|
_onConnect(packet) {
|
||
|
|
if (this.disconnected) {
|
||
|
|
this.emit('connect', packet);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.connackPacket = packet;
|
||
|
|
this.messageIdProvider.clear();
|
||
|
|
this._setupPingTimer();
|
||
|
|
this.connected = true;
|
||
|
|
const startStreamProcess = () => {
|
||
|
|
let outStore = this.outgoingStore.createStream();
|
||
|
|
const remove = () => {
|
||
|
|
outStore.destroy();
|
||
|
|
outStore = null;
|
||
|
|
this._flushStoreProcessingQueue();
|
||
|
|
clearStoreProcessing();
|
||
|
|
};
|
||
|
|
const clearStoreProcessing = () => {
|
||
|
|
this._storeProcessing = false;
|
||
|
|
this._packetIdsDuringStoreProcessing = {};
|
||
|
|
};
|
||
|
|
this.once('close', remove);
|
||
|
|
outStore.on('error', (err) => {
|
||
|
|
clearStoreProcessing();
|
||
|
|
this._flushStoreProcessingQueue();
|
||
|
|
this.removeListener('close', remove);
|
||
|
|
this.emit('error', err);
|
||
|
|
});
|
||
|
|
const storeDeliver = () => {
|
||
|
|
if (!outStore) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const packet2 = outStore.read(1);
|
||
|
|
let cb;
|
||
|
|
if (!packet2) {
|
||
|
|
outStore.once('readable', storeDeliver);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._storeProcessing = true;
|
||
|
|
if (this._packetIdsDuringStoreProcessing[packet2.messageId]) {
|
||
|
|
storeDeliver();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.disconnecting && !this.reconnectTimer) {
|
||
|
|
cb = this.outgoing[packet2.messageId]
|
||
|
|
? this.outgoing[packet2.messageId].cb
|
||
|
|
: null;
|
||
|
|
this.outgoing[packet2.messageId] = {
|
||
|
|
volatile: false,
|
||
|
|
cb(err, status) {
|
||
|
|
if (cb) {
|
||
|
|
cb(err, status);
|
||
|
|
}
|
||
|
|
storeDeliver();
|
||
|
|
},
|
||
|
|
};
|
||
|
|
this._packetIdsDuringStoreProcessing[packet2.messageId] =
|
||
|
|
true;
|
||
|
|
if (this.messageIdProvider.register(packet2.messageId)) {
|
||
|
|
this._sendPacket(packet2, undefined, undefined, true);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.log('messageId: %d has already used.', packet2.messageId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (outStore.destroy) {
|
||
|
|
outStore.destroy();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
outStore.on('end', () => {
|
||
|
|
let allProcessed = true;
|
||
|
|
for (const id in this._packetIdsDuringStoreProcessing) {
|
||
|
|
if (!this._packetIdsDuringStoreProcessing[id]) {
|
||
|
|
allProcessed = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.removeListener('close', remove);
|
||
|
|
if (allProcessed) {
|
||
|
|
clearStoreProcessing();
|
||
|
|
this._invokeAllStoreProcessingQueue();
|
||
|
|
this.emit('connect', packet);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
startStreamProcess();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
storeDeliver();
|
||
|
|
};
|
||
|
|
startStreamProcess();
|
||
|
|
}
|
||
|
|
_invokeStoreProcessingQueue() {
|
||
|
|
if (!this._storeProcessing && this._storeProcessingQueue.length > 0) {
|
||
|
|
const f = this._storeProcessingQueue[0];
|
||
|
|
if (f && f.invoke()) {
|
||
|
|
this._storeProcessingQueue.shift();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
_invokeAllStoreProcessingQueue() {
|
||
|
|
while (this._invokeStoreProcessingQueue()) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_flushStoreProcessingQueue() {
|
||
|
|
for (const f of this._storeProcessingQueue) {
|
||
|
|
if (f.cbStorePut)
|
||
|
|
f.cbStorePut(new Error('Connection closed'));
|
||
|
|
if (f.callback)
|
||
|
|
f.callback(new Error('Connection closed'));
|
||
|
|
}
|
||
|
|
this._storeProcessingQueue.splice(0);
|
||
|
|
}
|
||
|
|
_removeOutgoingAndStoreMessage(messageId, cb) {
|
||
|
|
delete this.outgoing[messageId];
|
||
|
|
this.outgoingStore.del({ messageId }, (err, packet) => {
|
||
|
|
cb(err, packet);
|
||
|
|
this.messageIdProvider.deallocate(messageId);
|
||
|
|
this._invokeStoreProcessingQueue();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.default = MqttClient;
|
||
|
|
//# sourceMappingURL=client.js.map
|