Class: Logger::LogDevice
Overview
Device used for logging messages.
Defined Under Namespace
Classes: LogDeviceMutex
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, opt = {}) ⇒ LogDevice
constructor
A new instance of LogDevice.
- #write(message) ⇒ Object
Methods included from Period
next_rotate_time, previous_period_end
Constructor Details
#initialize(log = nil, opt = {}) ⇒ LogDevice
Returns a new instance of LogDevice.
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# File 'lib/logger.rb', line 578 def initialize(log = nil, opt = {}) @dev = @filename = @shift_age = @shift_size = nil @mutex = LogDeviceMutex.new if log.respond_to?(:write) and log.respond_to?(:close) @dev = log else @dev = open_logfile(log) @dev.sync = true @filename = log @shift_age = opt[:shift_age] || 7 @shift_size = opt[:shift_size] || 1048576 @next_rotate_time = next_rotate_time(Time.now, @shift_age) unless @shift_age.is_a?(Integer) end end |
Instance Attribute Details
#dev ⇒ Object (readonly)
Returns the value of attribute dev
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# File 'lib/logger.rb', line 571 def dev @dev end |
#filename ⇒ Object (readonly)
Returns the value of attribute filename
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# File 'lib/logger.rb', line 572 def filename @filename end |
Instance Method Details
#close ⇒ Object
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# File 'lib/logger.rb', line 614 def close begin @mutex.synchronize do @dev.close rescue nil end rescue Exception @dev.close rescue nil end end |
#write(message) ⇒ Object
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# File 'lib/logger.rb', line 593 def write() begin @mutex.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 |