Class: Smith::Agency

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/smith/application/agency.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

included

Constructor Details

#initialize(opts = {}) ⇒ Agency

Returns a new instance of Agency.



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# File 'lib/smith/application/agency.rb', line 16

def initialize(opts={})
  @agent_processes = AgentCache.new
end

Instance Attribute Details

#agent_processes ⇒ Object (readonly)

Returns the value of attribute agent_processes.



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# File 'lib/smith/application/agency.rb', line 14

def agent_processes
  @agent_processes
end

#agents ⇒ Object (readonly)

Returns the value of attribute agents.



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# File 'lib/smith/application/agency.rb', line 14

def agents
  @agents
end

Instance Method Details

#setup_queues ⇒ Object 



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# File 'lib/smith/application/agency.rb', line 20

def setup_queues
  Messaging::Receiver.new(QueueDefinitions::Agency_control, :auto_ack => false) do |receiver|
    receiver.subscribe do |payload, responder|

      completion = EM::Completion.new.tap do |c|
        c.completion do |value|
          responder.ack
          responder.reply(Smith::ACL::AgencyCommandResponse.new(:response => value))
        end
      end

      begin
        Command.run(payload.command, payload.args, :agency => self,  :agents => @agent_processes, :responder => completion)
      rescue Command::UnknownCommandError => e
        responder.reply("Unknown command: #{payload.command}")
      end
    end
  end

  Messaging::Receiver.new(QueueDefinitions::Agent_lifecycle) do |receiver|
    receiver.subscribe do |payload, r|
      case payload
      when Smith::ACL::AgentDead
        dead(payload)
      when Smith::ACL::AgentAcknowledgeStart
        acknowledge_start(payload)
      when Smith::ACL::AgentAcknowledgeStop
        acknowledge_stop(payload)
      else
        logger.warn { "Unknown command received on #{QueueDefinitions::Agent_lifecycle.name} queue: #{payload.state}" }
      end
    end
  end

  Messaging::Receiver.new(QueueDefinitions::Agent_keepalive) do |receiver|
    receiver.subscribe do |payload, r|
      keep_alive(payload)
    end
  end
end

#start_monitoring ⇒ Object 



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# File 'lib/smith/application/agency.rb', line 61

def start_monitoring
  # @agent_monitor = AgentMonitoring.new(@agent_processes)
  # @agent_monitor.start_monitoring
end

#stop(&blk) ⇒ Object

Stop the agency. This will wait for one second to ensure that any messages are flushed.



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# File 'lib/smith/application/agency.rb', line 68

def stop(&blk)
  if blk
    Smith.stop(true, &blk)
  else
    Smith.stop(true)
  end
end