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Diffstat (limited to 'samples/samples-impl/src/main/java/io/fd/hc2vpp/samples/write/VxlanWriteCustomizer.java')
| -rw-r--r-- | samples/samples-impl/src/main/java/io/fd/hc2vpp/samples/write/VxlanWriteCustomizer.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/samples/samples-impl/src/main/java/io/fd/hc2vpp/samples/write/VxlanWriteCustomizer.java b/samples/samples-impl/src/main/java/io/fd/hc2vpp/samples/write/VxlanWriteCustomizer.java new file mode 100644 index 000000000..77c67b290 --- /dev/null +++ b/samples/samples-impl/src/main/java/io/fd/hc2vpp/samples/write/VxlanWriteCustomizer.java @@ -0,0 +1,111 @@ +/* + * 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.samples.write; + + +import io.fd.hc2vpp.common.translate.util.AddressTranslator; +import io.fd.hc2vpp.common.translate.util.ByteDataTranslator; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +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.VxlanAddDelTunnel; +import io.fd.vpp.jvpp.core.dto.VxlanAddDelTunnelReply; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev161214.sample.plugin.params.vxlans.VxlanTunnel; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev161214.sample.plugin.params.vxlans.VxlanTunnelKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +import javax.annotation.Nonnull; + +/** + * Writer for {@link VxlanTunnel} list node from our YANG model. + */ +public final class VxlanWriteCustomizer implements ListWriterCustomizer<VxlanTunnel, VxlanTunnelKey>, + ByteDataTranslator, + AddressTranslator, + JvppReplyConsumer { + + /** + * JVpp APIs + */ + private final FutureJVppCore jvppCore; + /** + * Shared vxlan tunnel naming context + */ + private final NamingContext vxlanTunnelNamingContext; + + public VxlanWriteCustomizer(final FutureJVppCore jvppCore, final NamingContext vxlanTunnelNamingContext) { + this.jvppCore = jvppCore; + this.vxlanTunnelNamingContext = vxlanTunnelNamingContext; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id, + @Nonnull final VxlanTunnel dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + // Create and set vxlan tunnel add request + final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel(); + // 1 for add, 0 for delete + vxlanAddDelTunnel.isAdd = 1; + // dataAfter is the new vxlanTunnel configuration + final boolean isIpv6 = dataAfter.getSrc().getIpv6Address() != null; + vxlanAddDelTunnel.isIpv6 = booleanToByte(isIpv6); + vxlanAddDelTunnel.srcAddress = ipAddressToArray(isIpv6, dataAfter.getSrc()); + vxlanAddDelTunnel.dstAddress = ipAddressToArray(isIpv6, dataAfter.getDst()); + // There are other input parameters that are not exposed by our YANG model, default values will be used + + + final VxlanAddDelTunnelReply replyForWrite = getReplyForWrite(jvppCore.vxlanAddDelTunnel(vxlanAddDelTunnel).toCompletableFuture(), id); + + // VPP returns the index of new vxlan tunnel + final int newVxlanTunnelIndex = replyForWrite.swIfIndex; + // It's important to store it in context so that reader knows to which name a vxlan tunnel is mapped + vxlanTunnelNamingContext.addName(newVxlanTunnelIndex, dataAfter.getId(), writeContext.getMappingContext()); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id, + @Nonnull final VxlanTunnel dataBefore, + @Nonnull final VxlanTunnel dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + // Not supported at VPP API level, throw exception + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Vxlan tunnel update is not supported by VPP")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id, + @Nonnull final VxlanTunnel dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + // Create and set vxlan tunnel add request + final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel(); + // 1 for add, 0 for delete + vxlanAddDelTunnel.isAdd = 0; + // Vxlan tunnel is identified by its attributes when deleting, not index, so set all attributes + // dataBefore is the vxlan tunnel that's being deleted + final boolean isIpv6 = dataBefore.getSrc().getIpv6Address() != null; + vxlanAddDelTunnel.isIpv6 = booleanToByte(isIpv6); + vxlanAddDelTunnel.srcAddress = ipAddressToArray(isIpv6, dataBefore.getSrc()); + vxlanAddDelTunnel.dstAddress = ipAddressToArray(isIpv6, dataBefore.getDst()); + // There are other input parameters that are not exposed by our YANG model, default values will be used + + final VxlanAddDelTunnelReply replyForWrite = getReplyForWrite(jvppCore.vxlanAddDelTunnel(vxlanAddDelTunnel).toCompletableFuture(), id); + // It's important to remove the mapping from context + vxlanTunnelNamingContext.removeName(dataBefore.getId(), writeContext.getMappingContext()); + } +}
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