Module: DTR::Adapter::Follower

Included in:
DTR::Agent::Brain, Monitor::MasterMonitor
Defined in:
lib/dtr/shared/adapter/base.rb,
lib/dtr/shared/adapter/mortality.rb

Instance Method Summary collapse

Instance Method Details

#relax ⇒ Object 



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# File 'lib/dtr/shared/adapter/base.rb', line 48

def relax
  if defined?(@soc) && @soc
    @soc.close rescue nil
  end
end

#sleep? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dtr/shared/adapter/base.rb', line 37

def sleep?
  return true unless defined?(@wakeup_for_host)
  Timeout.timeout(DTR.configuration.follower_listen_heartbeat_timeout) do
    until (msg, host = listen) && host == @wakeup_for_host; end
    msg == Adapter::SLEEP_MESSAGE
  end
rescue Timeout::Error => e
  DTR.info {"Timeout while listening command"}
  true
end

#wakeup? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dtr/shared/adapter/base.rb', line 23

def wakeup?
  msg, host, group = listen
  if group == DTR.configuration.group && msg == Adapter::WAKEUP_MESSAGE
    ip, port = host.split(':')
    DTR.configuration.rinda_server_port = port.to_i
    DTR.configuration.broadcast_list = [ip]
    DTR.configuration.save
    DTR.info {"=> Rinda server port: #{DTR.configuration.rinda_server_port}"}
    DTR.info {"=> Broadcast list: #{DTR.configuration.broadcast_list.inspect}"}
    @wakeup_for_host = host
    true
  end
end