Class: OsCtld::Commands::Event::Subscribe

Inherits:
Base
  • Object
show all
Includes:
OsCtl::Lib::Utils::Log
Defined in:
lib/osctld/commands/event/subscribe.rb

Instance Attribute Summary

Attributes inherited from Base

#client, #client_handler, #id, #opts

Instance Method Summary collapse

Methods inherited from Base

#base_execute, #call_cmd, #call_cmd!, cmd, #error, #error!, handle, #handled, #indirect?, #initialize, #manipulate, #manipulation_holder, #ok, #progress, run, run!

Constructor Details

This class inherits a constructor from OsCtld::Commands::Base

Instance Method Details

#execute ⇒ Object 



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# File 'lib/osctld/commands/event/subscribe.rb', line 9

def execute
  log(:info, :eventd, 'Subscribing client')
  queue = Eventd.subscribe
  client_handler.reply_ok('subscribed')

  opts.delete(:cli)

  loop do
    event = queue.pop(timeout: 0.2)

    if event.nil?
      if @do_stop
        Eventd.unsubscribe(queue)
        return error('osctld is shutting down')
      end
    elsif !filter?(event)
      next
    elsif !client_handler.reply_ok(export_event(event))
      break
    end
  end

  log(:info, :eventd, 'Unsubscribing client')
  Eventd.unsubscribe(queue)
  ok
end

#export_event(e) ⇒ Object (protected) 



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# File 'lib/osctld/commands/event/subscribe.rb', line 64

def export_event(e)
  {
    type: e.type,
    opts: e.opts,
  }
end

#filter?(event) ⇒ Boolean (protected)

Returns:

  • (Boolean) 


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# File 'lib/osctld/commands/event/subscribe.rb', line 41

def filter?(event)
  if opts[:type]
    if opts[:type].is_a?(Array)
      return false if opts[:type].include?(event.type)
    else
      return false if opts[:type] != event.type.to_s
    end
  end

  if opts[:opts]
    opts[:opts].each do |k, v|
      if v.is_a?(Array)
        return false if !v.include?(event.opts[k])

      else
        return false if v != event.opts[k]
      end
    end
  end

  true
end

#request_stop ⇒ Object 



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# File 'lib/osctld/commands/event/subscribe.rb', line 36

def request_stop
  @do_stop = true
end