Class: Pakyow::Realtime::Server::Adapters::Redis::Subscriber Private

Inherits:
Object
  • Object
show all
Defined in:
lib/pakyow/realtime/server/adapters/redis.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Constructor Details

#initialize(redis, channel, &callback) ⇒ Subscriber

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Subscriber.



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# File 'lib/pakyow/realtime/server/adapters/redis.rb', line 241

def initialize(redis, channel, &callback)
  @redis, @channel, @callback = redis, channel, callback

  @thread = Thread.new do
    subscribe
  end
end

Instance Method Details

#disconnect ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/pakyow/realtime/server/adapters/redis.rb', line 249

def disconnect
  @thread.exit
  @redis.disconnect!
end

#resubscribe ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/pakyow/realtime/server/adapters/redis.rb', line 272

def resubscribe
  sleep 0.25
  subscribe
end

#subscribe ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/pakyow/realtime/server/adapters/redis.rb', line 254

def subscribe
  @redis.subscribe(@channel) do |on|
    on.message do |_, payload|
      begin
        @callback.call(payload)
      rescue => error
        Pakyow.logger.error "[Pakyow::Realtime::Server::Adapters::Redis] Subscriber callback failed: #{error}"
      end
    end
  end
rescue ::Redis::CannotConnectError
  Pakyow.logger.error "[Pakyow::Realtime::Server::Adapters::Redis] Subscriber disconnected"
  resubscribe
rescue => error
  Pakyow.logger.error "[Pakyow::Realtime::Server::Adapters::Redis] Subscriber crashed: #{error}"
  resubscribe
end