Class: Legion::Gaia::Router::RouterBridge

Inherits:
Object
  • Object
show all
Includes:
Logging::Helper
Defined in:
lib/legion/gaia/router/router_bridge.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(channel_registry:, worker_routing: nil, allowed_worker_ids: []) ⇒ RouterBridge

Returns a new instance of RouterBridge.



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# File 'lib/legion/gaia/router/router_bridge.rb', line 13

def initialize(channel_registry:, worker_routing: nil, allowed_worker_ids: [])
  log.debug "initialize(channel_registry: #{channel_registry}, " \
            "worker_routing: #{worker_routing}, allowed_worker_ids: #{allowed_worker_ids}"
  @channel_registry = channel_registry
  @worker_routing = worker_routing || WorkerRouting.new(allowed_worker_ids: allowed_worker_ids)
  @started = false
end

Instance Attribute Details

#channel_registry ⇒ Object (readonly)

Returns the value of attribute channel_registry.



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# File 'lib/legion/gaia/router/router_bridge.rb', line 11

def channel_registry
  @channel_registry
end

#started ⇒ Object (readonly)

Returns the value of attribute started.



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# File 'lib/legion/gaia/router/router_bridge.rb', line 11

def started
  @started
end

#worker_routing ⇒ Object (readonly)

Returns the value of attribute worker_routing.



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# File 'lib/legion/gaia/router/router_bridge.rb', line 11

def worker_routing
  @worker_routing
end

Instance Method Details

#route_inbound(input_frame) ⇒ Object 



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# File 'lib/legion/gaia/router/router_bridge.rb', line 37

def route_inbound(input_frame)
  log.debug "route_inbound(input_frame: #{input_frame})"
  return { routed: false, reason: :not_started } unless started?

  identity = extract_identity(input_frame)
  worker_id = @worker_routing.resolve_worker_id(identity)
  worker_id ||= @worker_routing.resolve_from_db(identity) if identity

  return offline_response(input_frame) unless worker_id

  log.info("RouterBridge routing inbound frame_id=#{input_frame.id} worker_id=#{worker_id}")
  publish_input_frame(input_frame, worker_id: worker_id)
end

#route_outbound(payload) ⇒ Object 



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# File 'lib/legion/gaia/router/router_bridge.rb', line 51

def route_outbound(payload)
  log.debug "route_outbound(payload: #{payload})"
  return { delivered: false, reason: :not_started } unless started?

  frame = reconstruct_output_frame(payload)
  return { delivered: false, reason: :invalid_frame } unless frame

  adapter = @channel_registry.adapter_for(frame.channel_id)
  unless adapter
    log.error(
      'RouterBridge route_outbound failed ' \
      "frame_id=#{frame.id} channel_id=#{frame.channel_id} error=no_adapter"
    )
    return { delivered: false, reason: :no_adapter, channel_id: frame.channel_id }
  end

  rendered = adapter.translate_outbound(frame)
  deliver_result = normalize_delivery_result(
    deliver_output(adapter, rendered, frame),
    channel_id: frame.channel_id,
    frame_id: frame.id
  )
  if deliver_result[:delivered] == false || deliver_result[:error]
    log.error(
      'RouterBridge route_outbound failed ' \
      "frame_id=#{frame.id} channel_id=#{frame.channel_id} " \
      "error=#{deliver_result[:error] || deliver_result[:reason]}"
    )
  else
    log.info("RouterBridge routed outbound frame_id=#{frame.id} channel_id=#{frame.channel_id}")
  end
  deliver_result
end

#start ⇒ Object 



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# File 'lib/legion/gaia/router/router_bridge.rb', line 21

def start
  @started = true
  subscribe_outbound if transport_available?
  log.info("RouterBridge started workers=#{@worker_routing.size}")
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/gaia/router/router_bridge.rb', line 33

def started?
  @started == true
end

#stop ⇒ Object 



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# File 'lib/legion/gaia/router/router_bridge.rb', line 27

def stop
  @outbound_consumer&.cancel if @outbound_consumer.respond_to?(:cancel)
  @started = false
  log.info('RouterBridge stopped')
end