Module: CuteLogger

Defined in:
lib/cute_logger.rb,
lib/cute_logger/version.rb

Overview

Partial module to define the version of the gem

Defined Under Namespace

Modules: GeneralMethods

Constant Summary collapse

SEVERITY = 
{
  'DEBUG' => Logger::DEBUG,
  'INFO'  => Logger::INFO,
  'WARN'  => Logger::WARN,
  'ERROR' => Logger::ERROR,
  'FATAL' => Logger::FATAL
}
VERSION = 
'0.1.13'

Class Method Summary collapse

Class Method Details

.format_message(message) ⇒ Object 



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# File 'lib/cute_logger.rb', line 54

def self.format_message(message)
  if message.is_a?(Array) && message.count == 1
    message.first.to_log_format.to_json
  else
    message.to_log_format.to_json
  end
end

.log(severity, classname, args, &block) ⇒ Object 



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# File 'lib/cute_logger.rb', line 62

def self.log(severity, classname, args, &block)
  setup unless defined?(@logger)
  if block_given?
    @logger.add(severity, nil, (args.first || classname)) { format_message(block.call) }
  else
    @logger.add(severity, format_message(args), classname)
  end
end

.logger ⇒ Object 



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# File 'lib/cute_logger.rb', line 71

def self.logger
  setup unless defined?(@logger)
  @logger
end

.setup(settings = {}) ⇒ Object 



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# File 'lib/cute_logger.rb', line 17

def self.setup(settings = {})
  @logger = Logger.new(
    ENV['CUTE_LOGGER_FILENAME'] || settings[:filename] || 'application.log',
    ENV['CUTE_LOGGER_SHIFT_AGE'] || settings[:shift_age] || 7,
    ENV['CUTE_LOGGER_SHIFT_SIZE'] || settings[:shift_size] || 1024 * 1024 * 1024 # One gigabyte
  )
  @logger.sev_threshold = severity(ENV['CUTE_LOGGER_SEVERITY'] || settings[:severity])
  @logger.formatter = proc do |severity, datetime, progname, msg|
    datetime = Time.now.strftime('%Y-%m-%dT%H:%M:%S.%L%z')
    "#{datetime},#{severity},#{Process.pid.to_s(16)},#{Thread.current.object_id.to_s(16)}" \
    ",#{progname},#{msg}\n"
  end

  @signals_read, @signals_write = IO.pipe

  ['HUP', 'USR1'].each do |signal|
    Signal.trap(signal) {@signals_write.puts(true)}
  end
  
  Thread.new do
    while readable_io = IO.select([@signals_read])
        readable_io.first[0].gets
        @logger.reopen
    end
  end  
end

.severity(text) ⇒ Object 



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# File 'lib/cute_logger.rb', line 48

def self.severity(text)
  return Logger::INFO unless text
  fail("Unknown logger severity: #{text}") unless SEVERITY[text.upcase]
  SEVERITY[text.upcase]
end

.severity=(text) ⇒ Object 



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# File 'lib/cute_logger.rb', line 44

def self.severity=(text)
  @logger.sev_threshold = severity(text)
end