57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
import { logger } from '/imports/startup/server/logger';
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import { redisConfig } from '/config';
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import { myQueue } from '/imports/startup/server';
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import { indexOf, publish } from '/imports/api/common/server/helpers';
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export class RedisPubSub {
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constructor() {
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logger.info('constructor RedisPubSub');
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this.pubClient = redis.createClient();
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this.subClient = redis.createClient();
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logger.info(`Subscribing message on channel: ${redisConfig.channels.fromBBBApps}`);
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this.subClient.on('psubscribe', Meteor.bindEnvironment(this._onSubscribe));
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this.subClient.on('pmessage', Meteor.bindEnvironment(this._addToQueue));
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this.subClient.psubscribe(redisConfig.channels.fromBBBApps);
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}
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_onSubscribe(channel, count) {
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let message;
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logger.info(`Subscribed to ${channel}`);
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//grab data about all active meetings on the server
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message = {
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header: {
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name: 'get_all_meetings_request',
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},
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payload: {}, // I need this, otherwise bbb-apps won't recognize the message
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};
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return publish(redisConfig.channels.toBBBApps.meeting, message);
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}
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_addToQueue(pattern, channel, jsonMsg) {
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let eventName, message, messagesWeIgnore;
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message = JSON.parse(jsonMsg);
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eventName = message.header.name;
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messagesWeIgnore = [
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'BbbPubSubPongMessage',
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'bbb_apps_is_alive_message',
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'broadcast_layout_message',
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];
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if (indexOf.call(messagesWeIgnore, eventName) < 0) {
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// For DEVELOPMENT purposes only
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// Dynamic shapes' updates will slow down significantly
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if (Meteor.settings.public.mode == 'development') {
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logger.info(`Q ${eventName} ${myQueue.total()}`);
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}
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return myQueue.add({
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pattern: pattern,
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channel: channel,
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jsonMsg: jsonMsg,
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});
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}
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}
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}
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