def start(env=ENV, stdin=$stdin, stdout=$stdout)
      sock = WEBrick::CGI::Socket.new(@config, env, stdin, stdout)
      req = HTTPRequest.new(@config)
      res = HTTPResponse.new(@config)
      unless @config[:NPH] or defined?(MOD_RUBY)
        def res.setup_header
          unless @header["status"]
            phrase = HTTPStatus::reason_phrase(@status)
            @header["status"] = "#{@status} #{phrase}"
          end
          super
        end
        def res.status_line
          ""
        end
      end

      begin
        req.parse(sock)
        req.script_name = (env["SCRIPT_NAME"] || File.expand_path($0)).dup
        req.path_info = (env["PATH_INFO"] || "").dup
        req.query_string = env["QUERY_STRING"]
        req.user = env["REMOTE_USER"]
        res.request_method = req.request_method
        res.request_uri = req.request_uri
        res.request_http_version = req.http_version
        res.keep_alive = req.keep_alive?
        self.service(req, res)
      rescue HTTPStatus::Error => ex
        res.set_error(ex)
      rescue HTTPStatus::Status => ex
        res.status = ex.code
      rescue Exception => ex
        @logger.error(ex)
        res.set_error(ex, true)
      ensure
        req.fixup
        if defined?(MOD_RUBY)
          res.setup_header
          Apache.request.status_line = "#{res.status} #{res.reason_phrase}"
          Apache.request.status = res.status
          table = Apache.request.headers_out
          res.header.each{|key, val|
            case key
            when /^content-encoding$/i
              Apache::request.content_encoding = val
            when /^content-type$/i
              Apache::request.content_type = val
            else
              table[key] = val.to_s
            end
          }
          res.cookies.each{|cookie|
            table.add("Set-Cookie", cookie.to_s)
          }
          Apache.request.send_http_header
          res.send_body(sock)
        else
          res.send_response(sock)
        end
      end
    end
def start(env=ENV, stdin=$stdin, stdout=$stdout)
      sock = WEBrick::CGI::Socket.new(@config, env, stdin, stdout)
      req = HTTPRequest.new(@config)
      res = HTTPResponse.new(@config)
      unless @config[:NPH] or defined?(MOD_RUBY)
        def res.setup_header
          unless @header["status"]
            phrase = HTTPStatus::reason_phrase(@status)
            @header["status"] = "#{@status} #{phrase}"
          end
          super
        end
        def res.status_line
          ""
        end
      end

      begin
        req.parse(sock)
        req.script_name = (env["SCRIPT_NAME"] || File.expand_path($0)).dup
        req.path_info = (env["PATH_INFO"] || "").dup
        req.query_string = env["QUERY_STRING"]
        req.user = env["REMOTE_USER"]
        res.request_method = req.request_method
        res.request_uri = req.request_uri
        res.request_http_version = req.http_version
        res.keep_alive = req.keep_alive?
        self.service(req, res)
      rescue HTTPStatus::Error => ex
        res.set_error(ex)
      rescue HTTPStatus::Status => ex
        res.status = ex.code
      rescue Exception => ex
        @logger.error(ex)
        res.set_error(ex, true)
      ensure
        req.fixup
        if defined?(MOD_RUBY)
          res.setup_header
          Apache.request.status_line = "#{res.status} #{res.reason_phrase}"
          Apache.request.status = res.status
          table = Apache.request.headers_out
          res.header.each{|key, val|
            case key
            when /^content-encoding$/i
              Apache::request.content_encoding = val
            when /^content-type$/i
              Apache::request.content_type = val
            else
              table[key] = val.to_s
            end
          }
          res.cookies.each{|cookie|
            table.add("Set-Cookie", cookie.to_s)
          }
          Apache.request.send_http_header
          res.send_body(sock)
        else
          res.send_response(sock)
        end
      end
    end
Starts the CGI process with the given environment +env+ and standard
 input and output +stdin+ and +stdout+.