Class: OpenTrace::PoolMonitor

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

Constant Summary collapse

DEFAULT_INTERVAL =

seconds

30

Instance Method Summary collapse

Constructor Details

#initialize(interval: DEFAULT_INTERVAL) ⇒ PoolMonitor

Returns a new instance of PoolMonitor.



7
8
9
10
11
 
# File 'lib/opentrace/pool_monitor.rb', line 7

def initialize(interval: DEFAULT_INTERVAL)
  @interval = interval
  @thread = nil
  @running = false
end

Instance Method Details

#start ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/opentrace/pool_monitor.rb', line 13

def start
  return if @running
  @running = true

  @thread = Thread.new do
    Thread.current.report_on_exception = false
    loop do
      sleep @interval
      break unless @running
      report_pool_stats
    rescue Exception # rubocop:disable Lint/RescueException
      # Swallow — never crash the host app
    end
  end
end

#stop ⇒ Object 



29
30
31
32
 
# File 'lib/opentrace/pool_monitor.rb', line 29

def stop
  @running = false
  @thread&.join(2)
end