Class: Droonga::Supervisor::WorkerRunner

Inherits:
Object
  • Object
show all
Includes:
Deferrable, Loggable
Defined in:
lib/droonga/supervisor.rb

Instance Method Summary collapse

Methods included from Deferrable

#wait_until_ready

Constructor Details

#initialize(loop, id, config) ⇒ WorkerRunner

Returns a new instance of WorkerRunner.



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# File 'lib/droonga/supervisor.rb', line 102

def initialize(loop, id, config)
  @loop = loop
  @id = id
  @config = config
  @stop_gracefully_callback = nil
end

Instance Method Details

#refresh_node_reference ⇒ Object 



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# File 'lib/droonga/supervisor.rb', line 153

def refresh_node_reference
  @supervisor.refresh_node_reference
end

#start ⇒ Object 



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# File 'lib/droonga/supervisor.rb', line 109

def start
  control_write_in, control_write_out = IO.pipe
  control_read_in, control_read_out = IO.pipe
  env = {}
  command_line = [
    RbConfig.ruby,
    "-S",
    "droonga-engine-worker",
    "--control-read-fd", control_write_in.fileno.to_s,
    "--control-write-fd", control_read_out.fileno.to_s,
    "--job-queue-socket-path", @config.job_pusher.socket_path.to_s,
    "--pid-file", pid_path.to_s,
    "--label", @config.label,
    "--dataset", @config.dataset.name,
    "--database-path", @config.database_path.to_s,
    "--plugins", @config.plugins.join(","),
    "--internal-connection-lifetime",
      @config.internal_connection_lifetime.to_s,
  ]
  options = {
    control_write_in => control_write_in,
    control_read_out => control_read_out,
  }
  @pid = spawn(env, *command_line, options)
  control_write_in.close
  control_read_out.close
  @supervisor = create_process_supervisor(control_read_in,
                                          control_write_out)
  @supervisor.start
end

#stop_gracefully(&block) ⇒ Object 



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# File 'lib/droonga/supervisor.rb', line 140

def stop_gracefully(&block)
  logger.trace("stop_gracefully: start")
  @supervisor.stop_gracefully
  @stop_gracefully_callback = lambda do
    yield if block_given?
    logger.trace("stop_gracefully: done")
  end
end

#stop_immediately ⇒ Object 



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# File 'lib/droonga/supervisor.rb', line 149

def stop_immediately
  @supervisor.stop_immediately
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/droonga/supervisor.rb', line 157

def success?
  @success
end