Logger::LogDevice

Device used for logging messages.

Constants

SiD

Attributes

dev[R]

filename[R]

Public Class Methods

new(log = nil, opt = {}) click to toggle source

 
 # File logger.rb, line 543
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
 end
end

Public Instance Methods

close() click to toggle source

 
 # File logger.rb, line 578
def close
 begin
 @mutex.synchronize do
 @dev.close rescue nil
 end
 rescue Exception
 @dev.close rescue nil
 end
end

write(message) click to toggle source

 
 # File logger.rb, line 557
def write(message)
 begin
 @mutex.synchronize do
 if @shift_age and @dev.respond_to?(:stat)
 begin
 check_shift_log
 rescue
 warn("log shifting failed. #{$!}")
 end
 end
 begin
 @dev.write(message)
 rescue
 warn("log writing failed. #{$!}")
 end
 end
 rescue Exception => ignored
 warn("log writing failed. #{ignored}")
 end
end