Method: DangoLogger#initialize

Defined in:
lib/dango/dango_logger.rb

#initialize(log_file, log_shift_age, log_max_size, log_level) ⇒ DangoLogger

Returns a new instance of DangoLogger.



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# File 'lib/dango/dango_logger.rb', line 31

def initialize(log_file, log_shift_age, log_max_size, log_level)
  @log_file = log_file
  @log_shift_age = log_shift_age
  @log_max_size = log_max_size
  @log_level = log_level
  
  if @log_file && @log_file != "" # 出力ファイルが空なら何もしない
    @is_logging = true 
  else
    @is_logging = false
  end
  
  if @is_logging
    log_dir = File.dirname(@log_file)
    Dir.mkdir(log_dir) if !File.exist?(log_dir)
    @dango_logger = Logger.new(@log_file, @log_shift_age, @log_max_size)
    @dango_logger.level = @log_level
    def @dango_logger.format_message(severity, timestamp, msg, progname) 
      now = Time.now
      now_str = now.strftime("%Y-%m-%d %H:%M:%S.") << "%06d" % now.usec
      "%1.1s, [%s] %s:%s\n" % [severity, now_str, msg, 
                                  progname]
    end
    @dango_logger.add(1, "--- start log ---", "logger")
    
    @log_queue = Queue.new
    
    Thread.start do 
      # logger作成
      loop do
        begin
          data = @log_queue.pop
          @dango_logger.add(data[:sev], data[:msg], data[:prg])
        rescue Exception
          puts "dango_logger:#{error_message($!, 'u')}"
          open("dango_logger.log", "ab"){|fh| fh.puts "#{Time.now_to_s}:#{error_message($!, 'u')}"}
          exit! # ログのトラブルが出た場合は強制終了
        end
      end
    end # Thread.end
  end
end