class Mmtrix::Agent::Harvester
Attributes
starting_pid[RW]
Public Class Methods
new(events, after_forker=Mmtrix::Agent)
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Inject target for after_fork call to avoid spawning thread in tests
# File lib/mmtrix/agent/harvester.rb, line 12 def initialize(events, after_forker=Mmtrix::Agent) # We intentionally don't set our pid as started at this point. # Startup routines must call mark_started when they consider us set! @starting_pid = nil @after_forker = after_forker if events events.subscribe(:start_transaction, &method(:on_transaction)) end end
Public Instance Methods
harvest_thread_enabled?()
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# File lib/mmtrix/agent/harvester.rb, line 43 def harvest_thread_enabled? !Mmtrix::Agent.config[:disable_harvest_thread] end
mark_started(pid = Process.pid)
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# File lib/mmtrix/agent/harvester.rb, line 31 def mark_started(pid = Process.pid) @starting_pid = pid end
needs_restart?(pid = Process.pid)
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# File lib/mmtrix/agent/harvester.rb, line 35 def needs_restart?(pid = Process.pid) @starting_pid != pid end
on_transaction(*_)
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# File lib/mmtrix/agent/harvester.rb, line 23 def on_transaction(*_) return unless restart_in_children_enabled? && needs_restart? && harvest_thread_enabled? restart_harvest_thread end
restart_harvest_thread()
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# File lib/mmtrix/agent/harvester.rb, line 47 def restart_harvest_thread @after_forker.after_fork(:force_reconnect => true) end
restart_in_children_enabled?()
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# File lib/mmtrix/agent/harvester.rb, line 39 def restart_in_children_enabled? Mmtrix::Agent.config[:restart_thread_in_children] end