Fix streaming server. Redis connection subscribe for each channel. (#3828)
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					committed by
					
						
						Eugen Rochko
					
				
			
			
				
	
			
			
			
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							bab5a18232
						
					
				
				
					commit
					d8ec832806
				
			@@ -115,7 +115,7 @@ const startWorker = (workerId) => {
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  const subs = {};
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  redisSubscribeClient.on('pmessage', (_, channel, message) => {
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  redisSubscribeClient.on('message', (channel, message) => {
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    const callbacks = subs[channel];
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    log.silly(`New message on channel ${channel}`);
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@@ -127,8 +127,6 @@ const startWorker = (workerId) => {
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    callbacks.forEach(callback => callback(message));
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  });
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  redisSubscribeClient.psubscribe(`${redisPrefix}timeline:*`);
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  const subscriptionHeartbeat = (channel) => {
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    const interval = 6*60;
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    const tellSubscribed = () => {
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@@ -144,12 +142,20 @@ const startWorker = (workerId) => {
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  const subscribe = (channel, callback) => {
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    log.silly(`Adding listener for ${channel}`);
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    subs[channel] = subs[channel] || [];
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    if (subs[channel].length === 0) {
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      log.verbose(`Subscribe ${channel}`);
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      redisSubscribeClient.subscribe(channel);
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    }
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    subs[channel].push(callback);
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  };
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  const unsubscribe = (channel, callback) => {
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    log.silly(`Removing listener for ${channel}`);
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    subs[channel] = subs[channel].filter(item => item !== callback);
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    if (subs[channel].length === 0) {
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      log.verbose(`Unsubscribe ${channel}`);
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      redisSubscribeClient.unsubscribe(channel);
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    }
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  };
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  const allowCrossDomain = (req, res, next) => {
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