Class: Typhon::Log

Inherits:
Object
  • Object
show all
Includes:
Syslog::Constants
Defined in:
lib/typhon/log.rb

Class Method Summary collapse

Class Method Details

.configure ⇒ Object 



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# File 'lib/typhon/log.rb', line 23

def configure
  Syslog.close if Syslog.opened?
  Syslog.open(File.basename($0))

  @active_level = Config[:loglevel]

  raise "Unknown log level #{@active_level} specified" unless valid_levels.include?(@active_level)

  @configured = true
end

.from ⇒ Object

figures out the filename that called us



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# File 'lib/typhon/log.rb', line 35

def from
  from = File.basename(caller[4])
end

.log(msg, severity = :debug) ⇒ Object 



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# File 'lib/typhon/log.rb', line 12

def log(msg, severity=:debug)
  configure unless @configured

  if @known_levels.index(severity) >= @known_levels.index(@active_level)
    Syslog.send(valid_levels[severity.to_sym], "#{from} #{msg}")
  end
rescue Exception => e
  STDERR.puts("Failed to log: #{e.class}: #{e}: original log message: #{severity}: #{msg}")
  STDERR.puts(e.backtrace.join("\n\t"))
end

.method_missing(level, *args, &block) ⇒ Object 



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# File 'lib/typhon/log.rb', line 47

def method_missing(level, *args, &block)
  super unless [:info, :warn, :debug, :fatal, :error].include?(level)

  log(args[0], level)
end

.valid_levels ⇒ Object 



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# File 'lib/typhon/log.rb', line 39

def valid_levels
  {:info  => :info,
   :warn  => :warning,
   :debug => :debug,
   :fatal => :crit,
   :error => :err}
end