Class: Kettle::Family::CommandRunner::OtpCoordinator

Inherits:
Object
  • Object
show all
Defined in:
lib/kettle/family/command_runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(input: $stdin, output: $stdout, queue_total: nil) ⇒ OtpCoordinator

Returns a new instance of OtpCoordinator.



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# File 'lib/kettle/family/command_runner.rb', line 10

def initialize(input: $stdin, output: $stdout, queue_total: nil)
  @input = input
  @output = output
  @mutex = Mutex.new
  @condition = ConditionVariable.new
  @prompting = false
  @queue_closed = false
  @generation = 0
  @completed_generation = nil
  @response = nil
  @queued_count = 0
  @queue_total = queue_total
end

Instance Method Details

#queue_total=(value) ⇒ Object 



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# File 'lib/kettle/family/command_runner.rb', line 24

def queue_total=(value)
  @mutex.synchronize do
    @queue_total = value
  end
end

#request(member_name:, chunk:) ⇒ Object 



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# File 'lib/kettle/family/command_runner.rb', line 30

def request(member_name:, chunk:)
  generation = nil
  @mutex.synchronize do
    @condition.wait(@mutex) while @prompting && @queue_closed

    if @prompting
      generation = @generation
      @queued_count += 1
      render_queue_status_locked
      return wait_for_response(generation)
    end

    @prompting = true
    @queue_closed = false
    @queued_count = 1
    @generation += 1
    generation = @generation
    start_prompt_locked(member_name: member_name)
  end

  response = read_response(chunk: chunk)
  close_queue
  @mutex.synchronize do
    @response = response
    @completed_generation = generation
    @prompting = false
    @queue_closed = false
    @condition.broadcast
    response
  end
end