global_request (Net::SSH::Connection::Driver)

    # File lib/net/ssh/connection/driver.rb, line 172
            def global_request( type, data=nil, &block )
              writer = @buffers.writer
              writer.write_byte GLOBAL_REQUEST
              writer.write_string type.to_s
              writer.write_bool true
              writer.write data.to_s if data
              @session.send_message writer

              @request_queue.push Request.new( type, data, block )
              self
            end