diff options
Diffstat (limited to 'lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java')
-rw-r--r-- | lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java new file mode 100644 index 000000000..a9030a7c4 --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.hc2vpp.lisp.gpe.translate.write; + +import io.fd.hc2vpp.common.translate.util.ByteDataTranslator; +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.core.dto.GpeAddDelIface; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Uses api to create gpe interfaces, which creates fib table as by-product. + * There is currently no other lisp-specific way to define fib table, as native paths expects existing table id + */ +public class NativeForwardPathsTableCustomizer extends FutureJVppCustomizer + implements ListWriterCustomizer<NativeForwardPathsTable, NativeForwardPathsTableKey>, ByteDataTranslator, + JvppReplyConsumer { + + private static final Logger LOG = LoggerFactory.getLogger(NativeForwardPathsTableCustomizer.class); + + public NativeForwardPathsTableCustomizer(@Nonnull final FutureJVppCore futureJVppCore) { + super(futureJVppCore); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id, + @Nonnull final NativeForwardPathsTable dataAfter, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + createFibTable(id, dataAfter); + } + + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id, + @Nonnull final NativeForwardPathsTable dataBefore, + @Nonnull final NativeForwardPathsTable dataAfter, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + // not sure if update makes sense, but just in case + deleteFibTable(id); + createFibTable(id, dataAfter); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id, + @Nonnull final NativeForwardPathsTable dataBefore, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + deleteFibTable(id); + } + + private void createFibTable(final InstanceIdentifier<NativeForwardPathsTable> id, + final NativeForwardPathsTable data) throws WriteFailedException { + getReplyForCreate(getFutureJVpp().gpeAddDelIface(getRequest(true, id)).toCompletableFuture(), id, data); + } + + private void deleteFibTable(final InstanceIdentifier<NativeForwardPathsTable> id) throws WriteFailedException { + getReplyForDelete(getFutureJVpp().gpeAddDelIface(getRequest(false, id)).toCompletableFuture(), id); + } + + /** + * Maps dpTable and vni to tableId,this also allows to dump lisp specific tables by dumping vni's + */ + private GpeAddDelIface getRequest(final boolean add, final InstanceIdentifier<NativeForwardPathsTable> id) { + GpeAddDelIface request = new GpeAddDelIface(); + request.isL2 = 0; + // expects reversed order + request.dpTable = tableId(id); + request.vni = request.dpTable; // vni must be unique for every table + request.isAdd = booleanToByte(add); + return request; + } + + static int tableId(final InstanceIdentifier<?> id) { + return id.firstKeyOf(NativeForwardPathsTable.class).getTableId().intValue(); + } +} |