Class: Synchrotron::Stream

Inherits:
Object
  • Object
show all
Defined in:
lib/synchrotron/stream.rb

Instance Method Summary collapse

Constructor Details

#initialize(paths, callback, since = OSX::KFSEventStreamEventIdSinceNow) ⇒ Stream

Returns a new instance of Stream.



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# File 'lib/synchrotron/stream.rb', line 3

def initialize(paths, callback, since = OSX::KFSEventStreamEventIdSinceNow)
  @log     = Synchrotron.log
  @started = false
  @stream  = OSX.FSEventStreamCreate(nil, callback, nil, paths.to_a, since, 0.5, 0)

  raise "failed to create FSEventStream" unless check_stream

  OSX.FSEventStreamScheduleWithRunLoop(@stream, OSX.CFRunLoopGetCurrent(),
      OSX::KCFRunLoopDefaultMode)
end

Instance Method Details

#release ⇒ Object 



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# File 'lib/synchrotron/stream.rb', line 14

def release
  stop
  OSX.FSEventStreamInvalidate(@stream)
  OSX.FSEventStreamRelease(@stream)

  @log.debug "FSEventStream released"
end

#start ⇒ Object 



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# File 'lib/synchrotron/stream.rb', line 22

def start
  return if @started
  raise "failed to start FSEventStream" unless OSX.FSEventStreamStart(@stream)
  @started = true

  @log.debug "FSEventStream started"
end

#stop ⇒ Object 



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# File 'lib/synchrotron/stream.rb', line 30

def stop
  return unless @started
  OSX.FSEventStreamStop(@stream)
  @started = false

  @log.debug "FSEventStream stopped"
end