Class: SessionSweeper

Inherits:
Object
  • Object
show all
Defined in:
lib/gt06_server/session_sweeper.rb

Defined Under Namespace

Classes: SessionSweeperObserver

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sessions, timeout = 60, interval: 30, logger: Logger.new(STDOUT)) ⇒ SessionSweeper

Returns a new instance of SessionSweeper.



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# File 'lib/gt06_server/session_sweeper.rb', line 6

def initialize(sessions, timeout = 60, interval: 30, logger: Logger.new(STDOUT))
  @sessions = sessions
  @timeout  = timeout
  @interval = interval
  @info     = {killed: 0, live:0, count:0}
  @logger   = logger
end

Instance Attribute Details

#info ⇒ Object (readonly)

Returns the value of attribute info.



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# File 'lib/gt06_server/session_sweeper.rb', line 4

def info
  @info
end

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/gt06_server/session_sweeper.rb', line 4

def interval
  @interval
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/gt06_server/session_sweeper.rb', line 4

def logger
  @logger
end

#sessions ⇒ Object (readonly)

Returns the value of attribute sessions.



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# File 'lib/gt06_server/session_sweeper.rb', line 4

def sessions
  @sessions
end

#timeout ⇒ Object (readonly)

Returns the value of attribute timeout.



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# File 'lib/gt06_server/session_sweeper.rb', line 4

def timeout
  @timeout
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/gt06_server/session_sweeper.rb', line 14

def run
  timer = Concurrent::TimerTask.new(execution_interval: @interval) do
    time_now = Time.now
    @sessions.each_pair do |key, session|
      if (session.info[:last_received_at] + @timeout) < time_now
        session.io.setsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER, [1,0].pack('ii'))
        session.io.close

        @logger.debug "Session #{session.inspect} has been closed"

        @info[:killed] += 1
        @sessions.delete(key)
      end
    end

    @info[:live] = @sessions.size
    @info[:count] += 1

    @info
  end

  timer.add_observer(SessionSweeperObserver.new(@logger))
  timer.execute
end