make publish function private to RedisPubSub2x class
This commit is contained in:
KDSBrowne
parent
4b7d790a57
commit
41b629b232
@ -5,80 +5,12 @@ import { EventEmitter2 } from 'eventemitter2';
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import { check } from 'meteor/check';
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import Logger from './logger';
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class RedisPubSub2x {
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constructor(config = {}) {
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this.config = config;
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this.didSendRequestEvent = false;
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this.pub = Redis.createClient();
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this.sub = Redis.createClient();
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this.emitter = new EventEmitter2();
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this.queue = new PowerQueue();
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this.handleTask = this.handleTask.bind(this);
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this.handleSubscribe = this.handleSubscribe.bind(this);
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this.handleMessage = this.handleMessage.bind(this);
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}
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init() {
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this.queue.taskHandler = this.handleTask;
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this.sub.on('psubscribe', Meteor.bindEnvironment(this.handleSubscribe));
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this.sub.on('pmessage', Meteor.bindEnvironment(this.handleMessage));
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this.queue.reset();
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this.sub.psubscribe(this.config.channels.fromAkkaApps); // 2.0
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this.sub.psubscribe(this.config.channels.toHTML5); // 2.0
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Logger.info(`Subscribed to '${this.config.channels.fromAkkaApps}'`);
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}
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updateConfig(config) {
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this.config = Object.assign({}, this.config, config);
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}
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on(...args) {
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return this.emitter.on(...args);
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}
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publishVoiceMessage(channel, eventName, voiceConf, payload) {
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const header = {
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name: eventName,
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voiceConf
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}
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this.publish(channel, eventName, header, payload);
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}
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publishSystemMessage(channel, eventName, payload) {
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const header = {
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name: eventName
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}
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this.publish(channel, eventName, header, payload);
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}
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publishMeetingMessage(channel, eventName, meetingId, payload) {
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const header = {
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name: eventName,
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meetingId
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}
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this.publish(channel, eventName, header, payload);
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}
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publishUserMessage(channel, eventName, meetingId, userId, payload) {
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const header = {
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name: eventName,
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meetingId,
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userId
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}
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this.publish(channel, eventName, header, payload);
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}
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const RedisPubSub2xWrapper = ( () => {
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this.pub = Redis.createClient();
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// this publish function should only be called from either publishSystemMessage,
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// publishMeetingMessage or publishUserMessage
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publish(channel, eventName, header, payload) {
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// publishMeetingMessage, publishVoiceMessage or publishUserMessage
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const publish = (channel, eventName, header, body) => {
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const envelope = {
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envelope: {
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name: eventName,
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@ -89,11 +21,11 @@ class RedisPubSub2x {
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},
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core: {
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header,
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body: payload,
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body,
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}
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};
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Logger.warn(`<<<<<<Publishing 2.0 ${eventName} to ${channel} ${JSON.stringify(envelope)}`);
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Logger.warn(`<<<<<<Publishing 2.0 ${eventName} to ${channel} ${JSON.stringify(envelope)}`);
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return this.pub.publish(channel, JSON.stringify(envelope), (err) => {
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if (err) {
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Logger.error('Tried to publish to %s', channel, envelope);
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@ -101,85 +33,158 @@ class RedisPubSub2x {
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});
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}
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handleSubscribe() {
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if (this.didSendRequestEvent) return;
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// populate collections with pre-existing data
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const REDIS_CONFIG = Meteor.settings.redis;
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const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
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const EVENT_NAME = 'GetAllMeetingsReqMsg';
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const body = {
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requesterId: 'nodeJSapp',
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};
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this.publishSystemMessage(CHANNEL, EVENT_NAME, body);
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this.didSendRequestEvent = true;
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}
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handleMessage(pattern, channel, message) {
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Logger.warn(`2.0 handleMessage: ${message}`);
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const REDIS_CONFIG = Meteor.settings.redis;
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const { fromAkkaApps, toHTML5 } = REDIS_CONFIG.channels;
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const parsedMessage = JSON.parse(message);
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const { header } = parsedMessage.core;
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const eventName = header.name;
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Logger.info(`2.0 QUEUE | PROGRESS ${this.queue.progress()}% | LENGTH ${this.queue.length()}} ${eventName} | CHANNEL ${channel}`);
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const regex = new RegExp(fromAkkaApps);
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// We should only handle messages from this two channels, else, we simple ignore them.
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if (!regex.test(channel) && channel !== toHTML5) {
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Logger.warn(`The following message was ignored: CHANNEL ${channel} MESSAGE ${message}`);
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return;
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class RedisPubSub2x {
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constructor(config = {}) {
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this.config = config;
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this.didSendRequestEvent = false;
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this.sub = Redis.createClient();
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this.emitter = new EventEmitter2();
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this.queue = new PowerQueue();
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this.handleTask = this.handleTask.bind(this);
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this.handleSubscribe = this.handleSubscribe.bind(this);
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this.handleMessage = this.handleMessage.bind(this);
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}
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this.queue.add({
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pattern,
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channel,
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eventName,
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parsedMessage,
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});
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}
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handleTask(data, next) {
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const { header } = data.parsedMessage.core;
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const { body } = data.parsedMessage.core;
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const { envelope } = data.parsedMessage;
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const eventName = header.name;
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const meetingId = header.meetingId;
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check(eventName, String);
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check(body, Object);
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try {
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this._debug(`${eventName} emitted`);
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return this.emitter
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.emitAsync(eventName, { envelope, header, body }, meetingId)
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.then(() => {
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this._debug(`${eventName} completed`);
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return next();
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})
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.catch((reason) => {
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this._debug(`${eventName} completed with error`);
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Logger.error(`${eventName}: ${reason}`);
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return next();
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});
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} catch (reason) {
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this._debug(`${eventName} completed with error`);
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Logger.error(`${eventName}: ${reason}`);
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return next();
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init() {
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this.queue.taskHandler = this.handleTask;
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this.sub.on('psubscribe', Meteor.bindEnvironment(this.handleSubscribe));
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this.sub.on('pmessage', Meteor.bindEnvironment(this.handleMessage));
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this.queue.reset();
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this.sub.psubscribe(this.config.channels.fromAkkaApps); // 2.0
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this.sub.psubscribe(this.config.channels.toHTML5); // 2.0
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Logger.info(`Subscribed to '${this.config.channels.fromAkkaApps}'`);
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}
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updateConfig(config) {
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this.config = Object.assign({}, this.config, config);
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}
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on(...args) {
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return this.emitter.on(...args);
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}
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publishVoiceMessage(channel, eventName, voiceConf, payload) {
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const header = {
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name: eventName,
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voiceConf
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}
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return publish(channel, eventName, header, payload);
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}
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publishSystemMessage(channel, eventName, payload) {
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const header = {
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name: eventName
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}
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return publish(channel, eventName, header, payload);
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}
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publishMeetingMessage(channel, eventName, meetingId, payload) {
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const header = {
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name: eventName,
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meetingId
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}
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return publish(channel, eventName, header, payload);
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}
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publishUserMessage(channel, eventName, meetingId, userId, payload) {
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const header = {
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name: eventName,
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meetingId,
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userId
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}
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return publish(channel, eventName, header, payload);
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}
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handleSubscribe() {
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if (this.didSendRequestEvent) return;
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// populate collections with pre-existing data
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const REDIS_CONFIG = Meteor.settings.redis;
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const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
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const EVENT_NAME = 'GetAllMeetingsReqMsg';
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const body = {
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requesterId: 'nodeJSapp',
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};
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this.publishSystemMessage(CHANNEL, EVENT_NAME, body);
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this.didSendRequestEvent = true;
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}
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handleMessage(pattern, channel, message) {
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Logger.warn(`2.0 handleMessage: ${message}`);
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const REDIS_CONFIG = Meteor.settings.redis;
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const { fromAkkaApps, toHTML5 } = REDIS_CONFIG.channels;
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const parsedMessage = JSON.parse(message);
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const { header } = parsedMessage.core;
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const eventName = header.name;
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Logger.info(`2.0 QUEUE | PROGRESS ${this.queue.progress()}% | LENGTH ${this.queue.length()}} ${eventName} | CHANNEL ${channel}`);
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const regex = new RegExp(fromAkkaApps);
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// We should only handle messages from this two channels, else, we simple ignore them.
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if (!regex.test(channel) && channel !== toHTML5) {
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Logger.warn(`The following message was ignored: CHANNEL ${channel} MESSAGE ${message}`);
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return;
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}
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this.queue.add({
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pattern,
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channel,
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eventName,
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parsedMessage,
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});
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}
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handleTask(data, next) {
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const { header } = data.parsedMessage.core;
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const { body } = data.parsedMessage.core;
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const { envelope } = data.parsedMessage;
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const eventName = header.name;
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const meetingId = header.meetingId;
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check(eventName, String);
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check(body, Object);
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try {
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this._debug(`${eventName} emitted`);
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return this.emitter
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.emitAsync(eventName, { envelope, header, body }, meetingId)
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.then(() => {
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this._debug(`${eventName} completed`);
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return next();
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})
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.catch((reason) => {
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this._debug(`${eventName} completed with error`);
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Logger.error(`${eventName}: ${reason}`);
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return next();
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});
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} catch (reason) {
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this._debug(`${eventName} completed with error`);
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Logger.error(`${eventName}: ${reason}`);
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return next();
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}
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}
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_debug(message) {
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if (this.config.debug) {
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Logger.info(message);
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}
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}
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}
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return RedisPubSub2x;
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})();
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_debug(message) {
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if (this.config.debug) {
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Logger.info(message);
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}
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}
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}
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const RedisPubSubSingleton = new RedisPubSub2x();
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const RedisPubSubSingleton = new RedisPubSub2xWrapper;
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Meteor.startup(() => {
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const REDIS_CONFIG = Meteor.settings.redis;
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