send_body_string

# File lib/webrick/httpresponse.rb, line 279
    def send_body_string(socket)
      if @request_method == "HEAD"
        # do nothing
      elsif chunked?
        remain = body ? @body.bytesize : 0
        while buf = @body[@sent_size, @buffer_size]
          break if buf.empty?
          data = ""
          data << format("%x", buf.bytesize) << CRLF
          data << buf << CRLF
          _write_data(socket, data)
          @sent_size += buf.bytesize
        end
        _write_data(socket, "0#{CRLF}#{CRLF}")
      else
        if @body && @body.bytesize > 0
          _write_data(socket, @body)
          @sent_size = @body.bytesize
        end
      end
    end