class Logger::LogDevice

Device used for logging messages.

Attributes

dev[R]
filename[R]

Public Class Methods

new( log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: false, reraise_write_errors: [], skip_header: false ) click to toggle source
# File lib/logger/log_device.rb, line 14
def initialize(
  log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil,
  binmode: false, reraise_write_errors: [], skip_header: false
)
  @dev = @filename = @shift_age = @shift_size = @shift_period_suffix = nil
  @binmode = binmode
  @reraise_write_errors = reraise_write_errors
  @skip_header = skip_header
  mon_initialize
  set_dev(log)
  set_file(shift_age, shift_size, shift_period_suffix) if @filename
end

Public Instance Methods

close() click to toggle source
# File lib/logger/log_device.rb, line 38
def close
  begin
    synchronize do
      @dev.close rescue nil
    end
  rescue Exception
    @dev.close rescue nil
  end
end
reopen(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: nil) click to toggle source
# File lib/logger/log_device.rb, line 48
def reopen(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: nil)
  # reopen the same filename if no argument, do nothing for IO
  log ||= @filename if @filename
  @binmode = binmode unless binmode.nil?
  if log
    synchronize do
      if @filename and @dev
        @dev.close rescue nil # close only file opened by Logger
        @filename = nil
      end
      set_dev(log)
      set_file(shift_age, shift_size, shift_period_suffix) if @filename
    end
  end
  self
end
write(message) click to toggle source
# File lib/logger/log_device.rb, line 27
def write(message)
  handle_write_errors("writing") do
    synchronize do
      if @shift_age and @dev.respond_to?(:stat)
        handle_write_errors("shifting") {check_shift_log}
      end
      handle_write_errors("writing") {@dev.write(message)}
    end
  end
end