Class: DatabaseStalker::LogStalker

Inherits:
Object
  • Object
show all
Defined in:
lib/database_stalker/log_stalker.rb

Instance Method Summary collapse

Constructor Details

#initialize(stalked_file_path, stalking_result_path) ⇒ LogStalker

Returns a new instance of LogStalker.


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# File 'lib/database_stalker/log_stalker.rb', line 6

def initialize(stalked_file_path, stalking_result_path)
  @stalked_file_path = stalked_file_path
  @stalking_result_path = stalking_result_path
end

Instance Method Details

#result ⇒ Object 


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# File 'lib/database_stalker/log_stalker.rb', line 25

def result
  result = []
  File.open(@stalking_result_path) do |file|
    file.each_line do |line|
      result << line
    end
  end
  result
end

#run ⇒ Object 


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# File 'lib/database_stalker/log_stalker.rb', line 11

def run
  @runned_tails = Util.runned_tail_pids
  spawn("tail -f -n 0 #{@stalked_file_path} > #{@stalking_result_path}")
  wait_for_tail_process_runninng
end

#stop ⇒ Object 


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# File 'lib/database_stalker/log_stalker.rb', line 17

def stop
  wait_for_tail_process_output
  current_runned_tails = Util.runned_tail_pids
  (current_runned_tails - @runned_tails).each do |pid|
    Process.kill('KILL', pid)
  end
end