Module: Rig::Log

Defined in:
lib/rig/log.rb

Constant Summary collapse

LEVELS = 
{
    :debug => ::Logger::DEBUG,
    :info  => ::Logger::INFO,
    :warn  => ::Logger::WARN,
    :error => ::Logger::ERROR,
    :fatal => ::Logger::FATAL
}

Class Method Summary collapse

Class Method Details

.add(logger, formatter = nil) ⇒ Object 



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# File 'lib/rig/log.rb', line 54

def add(logger, formatter=nil)
  logger.formatter = formatter || proc { |severity, datetime, progname, msg| "#{$$}:#{datetime.strftime("%s")} #{severity[0]} #{msg}\n" }
  @loggers << logger
end

.level=(level) ⇒ Object 



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# File 'lib/rig/log.rb', line 59

def level=(level)
  int = LEVELS.key?(level) ? LEVELS[level] : level
  @loggers.each { |l| l.level = int }
end

.load(logging) ⇒ Object 



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# File 'lib/rig/log.rb', line 15

def load(logging)
  logging ||= {}
  begin
    console = Logger.new(STDOUT)
    console_level = nil
    console_config = logging.delete(:console)
    if console_config && console_config[:level]
      console_level = LEVELS[console_config[:level].to_sym]
    end
    console.level = console_level || Logger::INFO
    add(console, proc {|s, _, _, m| "#{"debug: " if s=='DEBUG'}#{m}\n"})

    logging.each do |name, data|
      level = data[:level]
      opts  = [*data[:opts]].flatten
      dest  = opts.shift

      if %w{STDOUT STDERR}.include?(dest)
        # convert string names to constants
        dest = Kernel.const_get(dest)
      elsif dest !~ /^\//
        # relative paths are relative to configdir
        dest = "#{Rig::Config.dir}/#{dest}"
      end

      opts = opts.unshift(dest)

      l       = Logger.new(*opts)
      l.level = Rig::Log::LEVELS[level.to_sym]

      Rig::Log.add(l)
    end

    Rig::Log.debug "logging initialized"
  rescue => e
    puts "error configuring logging: #{e.message} at #{e.backtrace.first}"
  end
end

.trace(backtrace) ⇒ Object 



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# File 'lib/rig/log.rb', line 75

def trace(backtrace)
  debug   "trace: #{backtrace.shift}"
  backtrace.each do |l|
    debug "       #{l}"
  end
end