Class: NginxTop::Listener

Inherits:
Object
  • Object
show all
Defined in:
lib/nginxtop/listener.rb

Constant Summary collapse

START_TIME = 
Time.now

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Listener

Returns a new instance of Listener.



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# File 'lib/nginxtop/listener.rb', line 6

def initialize(options)
  @log_file = options[:file]
  @no_watch = options[:no_watch]
  install_signal_handlers
end

Instance Method Details

#install_signal_handlers ⇒ Object 



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# File 'lib/nginxtop/listener.rb', line 43

def install_signal_handlers
  Signal.trap('INT') do
    puts 'Caught interrupt! Stopping parsing...'
    exit 130
  end
end

#listen ⇒ Object 



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# File 'lib/nginxtop/listener.rb', line 12

def listen

  File.readlines(@log_file).each do |line|
    Parser.new.parse(line.chomp)
  end

  Output.create

  file = File.open(@log_file)
  file.seek(0,IO::SEEK_END)
  thread1 = Thread.new do
    loop do
      select([file])
      line = file.gets
      Parser.new.parse(line.chomp) if line
    end
  end

  thread2 = Thread.new do
    loop do
      sleep 1
      Output.create
    end
  end
  unless @no_watch
    thread1.join
    thread2.join
  end

end