Class: Wakame::Dispatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/wakame/agent.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent) ⇒ Dispatcher

Returns a new instance of Dispatcher.



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# File 'lib/wakame/agent.rb', line 208

def initialize(agent)
  @agent = agent
end

Instance Attribute Details

#agent ⇒ Object (readonly)

Returns the value of attribute agent.



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# File 'lib/wakame/agent.rb', line 206

def agent
  @agent
end

Instance Method Details

#handle_request(request) ⇒ Object 



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# File 'lib/wakame/agent.rb', line 212

def handle_request(request)
  slash = request[:path].rindex('/')
  raise "Invalid request path: #{request[:path]}" unless slash

  prefix = request[:path][0, slash]
  action = request[:path][slash+1, request[:path].length]

  actor = agent.actor_registry.find_actor(prefix)
  unless actor
    Wakame.log.error("No refered actor instance: #{prefix}")
    raise
  end

  EM.defer(proc {
             begin
               Wakame.log.debug("#{self.class}: Started to run the actor: #{actor.class}, token=#{request[:token]}")
               agent.publish_to('agent_event', Packets::ActorResponse.new(agent, request[:token], Actor::STATUS_RUNNING).marshal)
               if request[:args].nil?
                 actor.send(action)
               else
                 actor.send(action, *request[:args])
               end
               Wakame.log.debug("#{self.class}: Finished to run the actor: #{actor.class}, token=#{request[:token]}")
               actor.return_value
             rescue => e
               Wakame.log.error("#{self.class}: Failed the actor: #{actor.class}, token=#{request[:token]}")
               Wakame.log.error(e)
               e
             end
           }, proc { |res|
             status = Actor::STATUS_SUCCESS
             if res.is_a?(Exception)
               status = Actor::STATUS_FAILED
             else
               opts = {:return_value=>res}
             end
             agent.publish_to('agent_event', Packets::ActorResponse.new(self.agent, request[:token], status, opts).marshal)
           })
end