diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/VxlanCustomizer.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/VxlanCustomizer.java | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/VxlanCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/VxlanCustomizer.java deleted file mode 100644 index 4248a1f1c..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/VxlanCustomizer.java +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright (c) 2016 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.honeycomb.translate.v3po.interfaces; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.net.InetAddresses; -import io.fd.honeycomb.translate.v3po.DisabledInterfacesManager; -import io.fd.honeycomb.translate.vpp.util.AbstractInterfaceTypeCustomizer; -import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; -import io.fd.honeycomb.translate.vpp.util.NamingContext; -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 java.net.InetAddress; -import java.util.concurrent.CompletionStage; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanTunnel; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public class VxlanCustomizer extends AbstractInterfaceTypeCustomizer<Vxlan> implements JvppReplyConsumer { - - private static final Logger LOG = LoggerFactory.getLogger(VxlanCustomizer.class); - - private final NamingContext interfaceNamingContext; - private final DisabledInterfacesManager interfaceDisableContext; - - public VxlanCustomizer(@Nonnull final FutureJVppCore vppApi, - @Nonnull final NamingContext interfaceNamingContext, - @Nonnull final DisabledInterfacesManager interfaceDisableContext) { - super(vppApi); - this.interfaceNamingContext = interfaceNamingContext; - this.interfaceDisableContext = interfaceDisableContext; - } - - @Override - protected Class<? extends InterfaceType> getExpectedInterfaceType() { - return VxlanTunnel.class; - } - - @Override - protected final void writeInterface(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataAfter, - @Nonnull final WriteContext writeContext) - throws WriteFailedException { - final String swIfName = id.firstKeyOf(Interface.class).getName(); - createVxlanTunnel(id, swIfName, dataAfter, writeContext); - } - - @Override - public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataBefore, - @Nonnull final Vxlan dataAfter, @Nonnull final WriteContext writeContext) - throws WriteFailedException.UpdateFailedException { - throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, - new UnsupportedOperationException("Vxlan tunnel update is not supported")); - } - - @Override - public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataBefore, - @Nonnull final WriteContext writeContext) - throws WriteFailedException { - final String swIfName = id.firstKeyOf(Interface.class).getName(); - deleteVxlanTunnel(id, swIfName, dataBefore, writeContext); - } - - private void createVxlanTunnel(final InstanceIdentifier<Vxlan> id, final String swIfName, final Vxlan vxlan, - final WriteContext writeContext) - throws WriteFailedException { - final byte isIpv6 = (byte) (isIpv6(vxlan) - ? 1 - : 0); - final InetAddress srcAddress = InetAddresses.forString(getAddressString(vxlan.getSrc())); - final InetAddress dstAddress = InetAddresses.forString(getAddressString(vxlan.getDst())); - - int encapVrfId = vxlan.getEncapVrfId().intValue(); - int vni = vxlan.getVni().getValue().intValue(); - - LOG.debug("Setting vxlan tunnel for interface: {}. Vxlan: {}", swIfName, vxlan); - final CompletionStage<VxlanAddDelTunnelReply> vxlanAddDelTunnelReplyCompletionStage = - getFutureJVpp().vxlanAddDelTunnel(getVxlanTunnelRequest((byte) 1 /* is add */, srcAddress.getAddress(), - dstAddress.getAddress(), encapVrfId, -1, vni, isIpv6)); - - final VxlanAddDelTunnelReply reply = - getReplyForCreate(vxlanAddDelTunnelReplyCompletionStage.toCompletableFuture(), id, vxlan); - LOG.debug("Vxlan tunnel set successfully for: {}, vxlan: {}", swIfName, vxlan); - if (interfaceNamingContext.containsName(reply.swIfIndex, writeContext.getMappingContext())) { - // VPP keeps vxlan tunnels present even after they are delete(reserving ID for next tunnel) - // This may cause inconsistencies in mapping context when configuring tunnels like this: - // 1. Add tunnel 2. Delete tunnel 3. Read interfaces (reserved mapping e.g. vxlan_tunnel0 -> 6 - // will get into mapping context) 4. Add tunnel (this will add another mapping with the same - // reserved ID and context is invalid) - // That's why a check has to be performed here removing mapping vxlan_tunnel0 -> 6 mapping and storing - // new name for that ID - final String formerName = interfaceNamingContext.getName(reply.swIfIndex, writeContext.getMappingContext()); - LOG.debug("Removing updated mapping of a vxlan tunnel, id: {}, former name: {}, new name: {}", - reply.swIfIndex, formerName, swIfName); - interfaceNamingContext.removeName(formerName, writeContext.getMappingContext()); - - } - - // Removing disability of an interface in case a vxlan tunnel formerly deleted is being reused in VPP - // further details in above comment - if (interfaceDisableContext.isInterfaceDisabled(reply.swIfIndex, writeContext.getMappingContext())) { - LOG.debug("Removing disability of vxlan tunnel, id: {}, name: {}", reply.swIfIndex, swIfName); - interfaceDisableContext.removeDisabledInterface(reply.swIfIndex, writeContext.getMappingContext()); - } - - // Add new interface to our interface context - interfaceNamingContext.addName(reply.swIfIndex, swIfName, writeContext.getMappingContext()); - } - - private boolean isIpv6(final Vxlan vxlan) { - if (vxlan.getSrc().getIpv4Address() == null) { - checkArgument(vxlan.getDst().getIpv4Address() == null, "Inconsistent ip addresses: %s, %s", vxlan.getSrc(), - vxlan.getDst()); - return true; - } else { - checkArgument(vxlan.getDst().getIpv6Address() == null, "Inconsistent ip addresses: %s, %s", vxlan.getSrc(), - vxlan.getDst()); - return false; - } - } - - private String getAddressString(final IpAddress addr) { - return addr.getIpv4Address() == null - ? addr.getIpv6Address().getValue() - : addr.getIpv4Address().getValue(); - } - - private void deleteVxlanTunnel(final InstanceIdentifier<Vxlan> id, final String swIfName, final Vxlan vxlan, - final WriteContext writeContext) throws WriteFailedException { - final byte isIpv6 = (byte) (isIpv6(vxlan) - ? 1 - : 0); - final InetAddress srcAddress = InetAddresses.forString(getAddressString(vxlan.getSrc())); - final InetAddress dstAddress = InetAddresses.forString(getAddressString(vxlan.getDst())); - - int encapVrfId = vxlan.getEncapVrfId().intValue(); - int vni = vxlan.getVni().getValue().intValue(); - - LOG.debug("Deleting vxlan tunnel for interface: {}. Vxlan: {}", swIfName, vxlan); - final CompletionStage<VxlanAddDelTunnelReply> vxlanAddDelTunnelReplyCompletionStage = - getFutureJVpp().vxlanAddDelTunnel(getVxlanTunnelRequest((byte) 0 /* is add */, srcAddress.getAddress(), - dstAddress.getAddress(), encapVrfId, -1, vni, isIpv6)); - - getReplyForDelete(vxlanAddDelTunnelReplyCompletionStage.toCompletableFuture(), id); - LOG.debug("Vxlan tunnel deleted successfully for: {}, vxlan: {}", swIfName, vxlan); - - final int index = interfaceNamingContext.getIndex(swIfName, writeContext.getMappingContext()); - // Mark this interface as disabled to not include it in operational reads - // because VPP will keep the interface there - LOG.debug("Marking vxlan tunnel as disabled, id: {}, name: {}", index, swIfName); - interfaceDisableContext.disableInterface(index, writeContext.getMappingContext()); - // Remove interface from our interface naming context - interfaceNamingContext.removeName(swIfName, writeContext.getMappingContext()); - } - - private static VxlanAddDelTunnel getVxlanTunnelRequest(final byte isAdd, final byte[] srcAddr, final byte[] dstAddr, - final int encapVrfId, - final int decapNextIndex, final int vni, final byte isIpv6) { - final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel(); - vxlanAddDelTunnel.isAdd = isAdd; - vxlanAddDelTunnel.srcAddress = srcAddr; - vxlanAddDelTunnel.dstAddress = dstAddr; - vxlanAddDelTunnel.encapVrfId = encapVrfId; - vxlanAddDelTunnel.vni = vni; - vxlanAddDelTunnel.decapNextIndex = decapNextIndex; - vxlanAddDelTunnel.isIpv6 = isIpv6; - return vxlanAddDelTunnel; - } -} |