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: [])
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# File 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: []) @dev = @filename = @shift_age = @shift_size = @shift_period_suffix = nil @binmode = binmode @reraise_write_errors = reraise_write_errors mon_initialize set_dev(log) if @filename @shift_age = shift_age || 7 @shift_size = shift_size || 1048576 @shift_period_suffix = shift_period_suffix || '%Y%m%d' unless @shift_age.is_a?(Integer) base_time = @dev.respond_to?(:stat) ? @dev.stat.mtime : Time.now @next_rotate_time = next_rotate_time(base_time, @shift_age) end end end
Public Instance Methods
close()
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# File logger/log_device.rb, line 43 def close begin synchronize do @dev.close rescue nil end rescue Exception @dev.close rescue nil end end
reopen(log = nil)
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# File logger/log_device.rb, line 53 def reopen(log = nil) # reopen the same filename if no argument, do nothing for IO log ||= @filename if @filename if log synchronize do if @filename and @dev @dev.close rescue nil # close only file opened by Logger @filename = nil end set_dev(log) end end self end
write(message)
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# File logger/log_device.rb, line 32 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