Class: ICMP4EM::Request

Inherits:
Object
  • Object
show all
Includes:
EM::Deferrable
Defined in:
lib/icmp4em/request.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Request

Returns a new instance of Request.



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# File 'lib/icmp4em/request.rb', line 7

def initialize args = {}
  @host         = args[:host]
  @manager      = args[:manager]
  @id           = args[:id]
  @max_retries  = args[:retries] || @manager.retries
  @timeout      = args[:timeout] || @manager.timeout

  @retry_id = 0
  @timeout_timer = nil

  callback do
    @timeout_timer.cancel
  end
  
  errback do
    @timeout_timer.cancel
  end      
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/icmp4em/request.rb', line 5

def id
  @id
end

Instance Method Details

#send ⇒ Object 



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# File 'lib/icmp4em/request.rb', line 26

def send
  @timeout_timer.cancel if @timeout_timer.is_a?(EventMachine::Timer)

  @timeout_timer = EventMachine::Timer.new(@timeout) do
    if @max_retries > @retry_id
      send
      @retry_id += 1
    else
      fail Timeout.new
    end
  end

  packet = Packet.new(:type => Packet::ICMP_ECHO_REQUEST, :manager_id => @manager.id, :request_id => @id, :retry_id => @retry_id)
  @manager.send_packet :packet => packet, :to => @host
end