class Puma::Systemd
Public Class Methods
new(events)
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# File lib/puma/systemd.rb, line 6 def initialize(events) @events = events end
Public Instance Methods
hook_events()
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# File lib/puma/systemd.rb, line 10 def hook_events @events.on_booted { SdNotify.ready } @events.on_stopped { SdNotify.stopping } @events.on_restart { SdNotify.reloading } end
start_watchdog()
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# File lib/puma/systemd.rb, line 16 def start_watchdog return unless SdNotify.watchdog? ping_f = watchdog_sleep_time log "Pinging systemd watchdog every #{ping_f.round(1)} sec" Thread.new do loop do sleep ping_f SdNotify.watchdog end end end
Private Instance Methods
log(str)
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# File lib/puma/systemd.rb, line 41 def log(str) @events.log str end
watchdog_sleep_time()
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# File lib/puma/systemd.rb, line 32 def watchdog_sleep_time usec = Integer(ENV["WATCHDOG_USEC"]) sec_f = usec / 1_000_000.0 # "It is recommended that a daemon sends a keep-alive notification message # to the service manager every half of the time returned here." sec_f / 2 end