Contents

module Crystal
  class Adapter
    SERVERS = %w{mongrel thin webrick}
    
    class Callback
      def initialize app; end
      def self.call env; Crystal::Adapter.call env end
    end
    
    class << self
      def build_common_app builder
        # CommonLogger, ShowExceptions, Lint

        builder.use Rack::Session::Cookie
        # builder.use Rack::CommonLogger
        builder.use Rack::MethodOverride         
        # builder.use ShowExceptions if Crystal.config.show_exceptions?
      end
      
      def parse_config
        app, options = Rack::Builder.parse_file Crystal.config.rack_config_file
        app
      end
      
      def run app
        handler = detect_rack_handler
        handler_name = handler.name.gsub(/.*::/, '')
        puts "  Crystal #{Crystal::VERSION} started on #{Crystal.config.port} in #{Crystal.config.environment} mode" unless handler_name =~/cgi/i
        handler.run app, :Host => Crystal.config.host, :Port => Crystal.config.port do |server|
          [:INT, :TERM].each {|sig| trap(sig){quit!(server, handler_name)}}
        end
      rescue Errno::EADDRINUSE => e
        puts "  #{port} is taken!"
      end
      
      def quit!(server, handler_name)
        ## Use thins' hard #stop! if available, otherwise just #stop
        server.respond_to?(:stop!) ? server.stop! : server.stop
        puts "\n  Crystal stopped" unless handler_name =~/cgi/i        
      end
      
      protected        
        def detect_rack_handler
          return Rack::Handler.get('mongrel')
          SERVERS.each do |server_name|
            begin
              return Rack::Handler.get(server_name.downcase)
            rescue LoadError
            rescue NameError
            end
          end
          fail "  Server handler (#{SERVERS.join(', ')}) not found."
        end
        
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
crystal-0.0.10	lib/crystal/rack/adapter.rb