Class: EventShipper::LogTailer

Inherits:
Object
  • Object
show all
Defined in:
lib/event_shipper/log_tailer.rb

Instance Method Summary collapse

Constructor Details

#initialize(path, transport) ⇒ LogTailer

Returns a new instance of LogTailer.



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# File 'lib/event_shipper/log_tailer.rb', line 10

def initialize path, transport
  @path = path
  @transport = transport
  @host = Socket.gethostname
end

Instance Method Details

#issue(line) ⇒ Object 



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# File 'lib/event_shipper/log_tailer.rb', line 36

def issue line
  event = Event.new @host, @path, line
  @transport.send event.to_hash
end

#join ⇒ Object 



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# File 'lib/event_shipper/log_tailer.rb', line 41

def join
  @thread.join
end

#start ⇒ Object 



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# File 'lib/event_shipper/log_tailer.rb', line 16

def start
  @thread = Thread.new(&method(:thread_main))
  @thread.abort_on_exception = true
end

#thread_main(once = false) ⇒ Object 



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# File 'lib/event_shipper/log_tailer.rb', line 21

def thread_main once=false
  File.open(@path) do |log|
    log.seek 0, IO::SEEK_END
    log.extend File::Tail

    log.max_interval = 5
    log.interval = 1

    log.tail do |line|
      issue line

      return if once
    end
  end
end