Class: Logger::LogDevice
- Inherits:
-
Object
- Object
- Logger::LogDevice
- Includes:
- Period, MonitorMixin
- Defined in:
- lib/logger/log_device.rb
Overview
Device used for logging messages.
Constant Summary
Constants included from Period
Instance Attribute Summary collapse
-
#dev ⇒ Object
readonly
Returns the value of attribute dev.
-
#filename ⇒ Object
readonly
Returns the value of attribute filename.
Instance Method Summary collapse
- #close ⇒ Object
-
#initialize(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: false) ⇒ LogDevice
constructor
A new instance of LogDevice.
- #reopen(log = nil) ⇒ Object
- #write(message) ⇒ Object
Methods included from Period
next_rotate_time, previous_period_end
Constructor Details
#initialize(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: false) ⇒ LogDevice
Returns a new instance of LogDevice.
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# File 'lib/logger/log_device.rb', line 14 def initialize(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: false) @dev = @filename = @shift_age = @shift_size = @shift_period_suffix = nil @binmode = binmode 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 |
Instance Attribute Details
#dev ⇒ Object (readonly)
Returns the value of attribute dev
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# File 'lib/logger/log_device.rb', line 10 def dev @dev end |
#filename ⇒ Object (readonly)
Returns the value of attribute filename
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# File 'lib/logger/log_device.rb', line 11 def filename @filename end |
Instance Method Details
#close ⇒ Object
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# File 'lib/logger/log_device.rb', line 52 def close begin synchronize do @dev.close rescue nil end rescue Exception @dev.close rescue nil end end |
#reopen(log = nil) ⇒ Object
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# File 'lib/logger/log_device.rb', line 62 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) ⇒ Object
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# File 'lib/logger/log_device.rb', line 31 def write() begin synchronize do if @shift_age and @dev.respond_to?(:stat) begin check_shift_log rescue warn("log shifting failed. #{$!}") end end begin @dev.write() rescue warn("log writing failed. #{$!}") end end rescue Exception => ignored warn("log writing failed. #{ignored}") end end |