Class: LoadRunner::Queue

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger = nil) ⇒ Queue 



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# File 'lib/load_runner.rb', line 8

def initialize(logger = nil)

  # logger
  if logger!=nil
    @logger = logger
  end

  # setup
  @threads = []
  @transactions = 0
  @num_threads = 1
  @failures = 0
end

Instance Attribute Details

#failures ⇒ Object

Returns the value of attribute failures.



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# File 'lib/load_runner.rb', line 6

def failures
  @failures
end

Instance Method Details

#load(num_threads = 1, &work) ⇒ Object 



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# File 'lib/load_runner.rb', line 22

def load(num_threads=1, &work)
  @num_threads = num_threads
  @work = work  # save work for new threads

  # create threads
  num_threads.times do ||

    # do work
    create_thread

    # log
    if @logger!=nil
        @logger.debug "action=create|name=thread"
      end
    end
end

#run ⇒ Object 



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# File 'lib/load_runner.rb', line 39

def run()
  @start_time = Time.now
  start_all
  wait_until_finished
end

#run_and_stagger(max_sleep = 10) ⇒ Object 



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# File 'lib/load_runner.rb', line 45

def run_and_stagger(max_sleep=10)
  @start_time = Time.now
  start_all { rand_sleep(max_sleep) }
  wait_until_finished
end

#run_for_duration(num_seconds, max_sleep = 0) ⇒ Object 



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# File 'lib/load_runner.rb', line 51

def run_for_duration(num_seconds, max_sleep=0)
  @start_time = Time.now 

  # keep them running
  to_time = Time.now + num_seconds

  # log
  if @logger!=nil
    @logger.debug "action=run_for_durration|until=#{to_time}"
  end

  # duration
  while (Time.now <= to_time)
    @threads.each do |t| 

      # restart threads
      if (t.status=="sleep")
        rand_sleep(max_sleep)
        t.run
      end  

      if (t.status==false or t.status == nil)
        @transactions += 1
        @threads.delete t
        thread = create_thread
        rand_sleep(max_sleep) 
        thread.run

        # log
        if @logger!=nil
          @logger.debug "thread_count=#{@threads.count}"
        end
      end
    end
  end
  wait_until_finished()
end