process (Merb::Rack::Handler::Mongrel)

    # File lib/merb-core/rack/handler/mongrel.rb, line 62
            def process(request, response)
              env = {}.replace(request.params)
              env.delete Merb::Const::HTTP_CONTENT_TYPE
              env.delete Merb::Const::HTTP_CONTENT_LENGTH

              env[Merb::Const::SCRIPT_NAME] = Merb::Const::EMPTY_STRING if env[Merb::Const::SCRIPT_NAME] == Merb::Const::SLASH

              env.update({"rack.version" => [0,1],
                           "rack.input" => request.body || StringIO.new(""),
                           "rack.errors" => STDERR,

                           "rack.multithread" => true,
                           "rack.multiprocess" => false, # ???
                           "rack.run_once" => false,

                           "rack.url_scheme" => "http"
                         })
              env[Merb::Const::QUERY_STRING] ||= ""
              env.delete Merb::Const::PATH_INFO  if env[Merb::Const::PATH_INFO] == Merb::Const::EMPTY_STRING

              status, headers, body = @app.call(env)

              begin
                response.status = status.to_i
                headers.each { |k, vs|
                  vs.each { |v|
                    response.header[k] = v
                  }
                }

                body.each { |part|
                  response.body << part
                }
                response.finished
              ensure
                body.close  if body.respond_to? :close
              end
            end