Class ActiveSupport::BufferedLogger < Object

# File activesupport/lib/active_support/buffered_logger.rb, line 42
def initialize(log, level = DEBUG)
  @level         = level
  @buffer        = Hash.new { |h,k| h[k] = [] }
  @auto_flushing = 1
  @guard = Mutex.new

  if log.respond_to?(:write)
    @log = log
  elsif File.exist?(log)
    @log = open_log(log, (File::WRONLY | File::APPEND))
  else
    FileUtils.mkdir_p(File.dirname(log))
    @log = open_log(log, (File::WRONLY | File::APPEND | File::CREAT))
  end
end

# File activesupport/lib/active_support/buffered_logger.rb, line 22
cattr_accessor :silencer

# File activesupport/lib/active_support/buffered_logger.rb, line 65
def add(severity, message = nil, progname = nil, &block)
  return if @level > severity
  message = (message || (block && block.call) || progname).to_s
  # If a newline is necessary then create a new message ending with a newline.
  # Ensures that the original message is not mutated.
  message = "#{message}\n" unless message[-1] == \n\
  buffer << message
  auto_flush
  message
end

# File activesupport/lib/active_support/buffered_logger.rb, line 96
def auto_flushing=(period)
  @auto_flushing =
    case period
    when true;                1
    when false, nil, 0;       MAX_BUFFER_SIZE
    when Integer;             period
    else raise ArgumentError, "Unrecognized auto_flushing period: #{period.inspect}"
    end
end

# File activesupport/lib/active_support/buffered_logger.rb, line 118
def close
  flush
  @log.close if @log.respond_to?(:close)
  @log = nil
end

# File activesupport/lib/active_support/buffered_logger.rb, line 106
def flush
  @guard.synchronize do
    buffer.each do |content|
      @log.write(content)
    end

    # Important to do this even if buffer was empty or else @buffer will
    # accumulate empty arrays for each request where nothing was logged.
    clear_buffer
  end
end

# File activesupport/lib/active_support/buffered_logger.rb, line 58
def open_log(log, mode)
  open(log, mode).tap do |open_log|
    open_log.set_encoding(Encoding::BINARY) if open_log.respond_to?(:set_encoding)
    open_log.sync = true
  end
end

# File activesupport/lib/active_support/buffered_logger.rb, line 26
def silence(temporary_level = ERROR)
  if silencer
    begin
      old_logger_level, self.level = level, temporary_level
      yield self
    ensure
      self.level = old_logger_level
    end
  else
    yield self
  end
end

# File activesupport/lib/active_support/buffered_logger.rb, line 125
def auto_flush
  flush if buffer.size >= @auto_flushing
end

# File activesupport/lib/active_support/buffered_logger.rb, line 129
def buffer
  @buffer[Thread.current]
end

# File activesupport/lib/active_support/buffered_logger.rb, line 133
def clear_buffer
  @buffer.delete(Thread.current)
end