kytos-ng / sdntrace_cp

        If you have some cleanup procedure, insert it here.

        """

    @rest('/v1/trace', methods=['PUT'])

    @validate_openapi(spec)

    def trace(self, request: Request) -> JSONResponse:

        """Trace a path."""

        result = []

        data = get_json_or_400(request, self.controller.loop)

        entries = convert_entries(data)

        if not entries:

            raise HTTPException(400, "Empty entries")

        try:

            stored_flows = get_stored_flows()

        except tenacity.RetryError as exc:

            raise HTTPException(424, "It couldn't get stored_flows") from exc

        try:

            result = self.tracepath(entries, stored_flows)

        except ValueError as exc:

            raise HTTPException(409, str(exc)) from exc

        return JSONResponse(prepare_json(result))

    @rest('/v1/traces', methods=['PUT'])

    @validate_openapi(spec)

            raise HTTPException(409, str(exc)) from exc

        return JSONResponse(prepare_json(result))

    @rest('/v1/traces', methods=['PUT'])

    @validate_openapi(spec)

    def get_traces(self, request: Request) -> JSONResponse:

        """For bulk requests."""

        data = get_json_or_400(request, self.controller.loop)

        entries = convert_list_entries(data)

        results = []

        try:

            stored_flows = get_stored_flows()

        except tenacity.RetryError as exc:

            raise HTTPException(424, "It couldn't get stored_flows") from exc

        for entry in entries:

            try:

                results.append(self.tracepath(entry, stored_flows))

            except ValueError as exc:

                raise HTTPException(409, str(exc)) from exc

        return JSONResponse(prepare_json(results))

    def tracepath(self, entries, stored_flows):

        """Trace a path for a packet represented by entries."""