Class: Alondra::MessageQueue
- Inherits:
-
Object
- Object
- Alondra::MessageQueue
- Includes:
- Singleton
- Defined in:
- lib/alondra/message_queue.rb
Instance Method Summary collapse
- #on_readable(socket, messages) ⇒ Object
- #parse(received_string) ⇒ Object
- #receive(event) ⇒ Object
- #reset! ⇒ Object
- #start_listening ⇒ Object
Instance Method Details
#on_readable(socket, messages) ⇒ Object
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# File 'lib/alondra/message_queue.rb', line 21 def on_readable(socket, ) .each do |received| begin parse received.copy_out_string rescue Exception => ex Log.error "Error raised while processing message" Log.error "#{ex.class}: #{ex.}" Log.error ex.backtrace.join("\n") if ex.respond_to? :backtrace end end end |
#parse(received_string) ⇒ Object
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# File 'lib/alondra/message_queue.rb', line 33 def parse(received_string) received_hash = ActiveSupport::JSON.decode(received_string).symbolize_keys if received_hash[:event] event = Event.new(received_hash, received_string) receive(event) elsif received_hash[:message] = Message.new(received_hash[:message], received_hash[:channel_names]) .send_to_channels else Log.warn "Unrecognized message type #{received_string}" end end |
#receive(event) ⇒ Object
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# File 'lib/alondra/message_queue.rb', line 47 def receive(event) event_router.process(event) end |
#reset! ⇒ Object
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# File 'lib/alondra/message_queue.rb', line 51 def reset! @connection.close_connection() @connection = nil @context = nil @push_socket = nil end |
#start_listening ⇒ Object
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# File 'lib/alondra/message_queue.rb', line 9 def start_listening Log.info "Starting message queue" if @connection Log.warn 'Push connection to message queue started twice' reset! end @connection = context.bind(ZMQ::SUB, Alondra.config.queue_socket, self) @connection.setsockopt ZMQ::SUBSCRIBE, '' # receive all end |