# File lib/net/ssh/connection/driver.rb, line 298
        def do_channel_extended_data( response )
          local_id = response.read_long
          data_type = response.read_long
          data = response.read_string

          if @log.debug?
            @log.debug "CHANNEL_EXTENDED_DATA recieved " +
              "(#{local_id}:#{data_type}:#{data.inspect})"
          end

          @channel_map[ local_id ].do_extended_data data_type, data
        end