Class: CpuInspectCore::Monitor

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

Instance Method Summary collapse

Constructor Details

#initialize(collector:, backend:, config:) ⇒ Monitor

Returns a new instance of Monitor.



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# File 'lib/cpu_inspect_core/monitor.rb', line 5

def initialize(collector:, backend:, config:)
  @collector = collector
  @backend   = backend
  @interval  = config.interval
  @thread    = nil
  @running   = false
  @mutex     = Mutex.new
end

Instance Method Details

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cpu_inspect_core/monitor.rb', line 41

def running?
  @mutex.synchronize { @running }
end

#start ⇒ Object 



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# File 'lib/cpu_inspect_core/monitor.rb', line 14

def start
  @mutex.synchronize do
    return self if @running

    @running = true
    @thread  = Thread.new { run_loop }
    @thread.abort_on_exception = false
    @thread.name = 'cpu_inspect_core'
  end

  at_exit { stop }
  self
end

#stop ⇒ Object 



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# File 'lib/cpu_inspect_core/monitor.rb', line 28

def stop
  @mutex.synchronize do
    return unless @running

    @running = false
    # :nocov: — @thread is always non-nil here; &. is a nil-safety guard only
    @thread&.kill
    @thread&.join(2)
    # :nocov:
    @thread = nil
  end
end