Parent

Object

DaemonKit::Safety

Provides a wrapper for running code inside a 'safety net' Any exceptions raised inside a safety net is handled and reported via loggers, email or Hoptoad.

The safety net can be configured via DaemonKit.config.safety, which holds the only instance of the safety net.

Attributes

error_handlers[R]
handler[RW]

Public Class Methods

instance() click to toggle source 
# File lib/daemon_kit/safety.rb, line 23
def instance
  @instance ||= new
end
register_error_handler( klass ) click to toggle source 
# File lib/daemon_kit/safety.rb, line 33
def register_error_handler( klass )
  name = klass.to_s.split('::').last.downcase

  DaemonKit.logger.debug( "Registering error handler '#{name}' (#{klass})" ) if DaemonKit.logger

  instance.instance_eval(         def #{name}          @#{name} ||= #{klass}.instance        end, __FILE__, __LINE__ )
end
run(&block) click to toggle source

Run the provided block inside a safety net.

# File lib/daemon_kit/safety.rb, line 29
def run(&block)
  self.instance.run(&block)
end

Public Instance Methods

get_handler() click to toggle source 
# File lib/daemon_kit/safety.rb, line 59
def get_handler
  if @handler && self.respond_to?( @handler )
    h = send( @handler )
    return h if h.class.ancestors.include?( DaemonKit::ErrorHandlers::Base )
  end

  return nil
end
run(&block) click to toggle source

Run the provided block inside a safety net.

# File lib/daemon_kit/safety.rb, line 47
def run(&block)
  begin
    block.call
  rescue => e
    # Log
    DaemonKit.logger.fatal "Safety net caught exception: #{e.message}"
    DaemonKit.logger.fatal "Backtrace: #{e.backtrace.join("\n    ")}"

    get_handler.handle_exception( e ) if get_handler
  end
end

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