views.py 文件源码

def get(request, prefix):
        """Handles get request for prefix usage"""

        try:
            ip_prefix = IP(prefix)
        except ValueError:
            return Response("Bad prefix", status=status.HTTP_400_BAD_REQUEST)

        if ip_prefix.len() < MINIMUMPREFIXLENGTH:
            return Response("Prefix is too small",
                            status=status.HTTP_400_BAD_REQUEST)

        starttime, endtime = get_times(request)
        db_prefix = manage.Prefix.objects.get(net_address=prefix)
        serializer = serializers.PrefixUsageSerializer(
            prefix_collector.fetch_usage(db_prefix, starttime, endtime))

        return Response(serializer.data)