diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common')
14 files changed, 0 insertions, 1501 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java deleted file mode 100644 index 347397aa3..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java +++ /dev/null @@ -1,251 +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.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.base.Optional; -import com.google.common.base.Preconditions; -import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; -import io.fd.honeycomb.translate.write.WriteContext; -import io.fd.honeycomb.translate.write.WriteFailedException; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSessionReply; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTableReply; -import io.fd.vpp.jvpp.core.future.FutureJVppCore; -import java.util.HashMap; -import java.util.List; -import java.util.ListIterator; -import java.util.Map; -import java.util.concurrent.CompletionStage; -import java.util.function.Predicate; -import java.util.stream.Collectors; -import java.util.stream.Stream; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.AclBase; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.AclKey; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.AccessListEntries; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.Ace; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.AceType; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceEth; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIp; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.AceIpVersion; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv4; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv6; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIpAndEth; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.AccessLists; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.access.lists.Acl; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public abstract class AbstractIetfAclWriter implements IetfAclWriter, JvppReplyConsumer, AclTranslator { - - private static final Logger LOG = LoggerFactory.getLogger(AbstractIetfAclWriter.class); - protected static final int NOT_DEFINED = -1; - protected final FutureJVppCore jvpp; - - private Map<AclType, AceWriter<? extends AceType>> aceWriters = new HashMap<>(); - - public AbstractIetfAclWriter(@Nonnull final FutureJVppCore futureJVppCore) { - this.jvpp = Preconditions.checkNotNull(futureJVppCore, "futureJVppCore should not be null"); - aceWriters.put(AclType.ETH, new AceEthWriter()); - aceWriters.put(AclType.IP4, new AceIp4Writer()); - aceWriters.put(AclType.IP6, new AceIp6Writer()); - aceWriters.put(AclType.ETH_AND_IP, new AceIpAndEthWriter()); - } - - private static Stream<Ace> aclToAceStream(@Nonnull final Acl assignedAcl, - @Nonnull final WriteContext writeContext) { - final String aclName = assignedAcl.getName(); - final Class<? extends AclBase> aclType = assignedAcl.getType(); - - // ietf-acl updates are handled first, so we use writeContext.readAfter - final Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl> - aclOptional = - writeContext.readAfter(io.fd.honeycomb.translate.v3po.interfaces.acl.IetfAclWriter.ACL_ID.child( - org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl.class, - new AclKey(aclName, aclType))); - checkArgument(aclOptional.isPresent(), "Acl lists not configured"); - final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl - acl = aclOptional.get(); - - final AccessListEntries accessListEntries = acl.getAccessListEntries(); - checkArgument(accessListEntries != null, "access list entries not configured"); - - return accessListEntries.getAce().stream(); - } - - protected void removeClassifyTables(@Nonnull final InstanceIdentifier<?> id, @Nonnull final MappingEntry entry) - throws WriteFailedException { - removeClassifyTable(id, entry.getL2TableId()); - removeClassifyTable(id, entry.getIp4TableId()); - removeClassifyTable(id, entry.getIp6TableId()); - } - - private void removeClassifyTable(@Nonnull final InstanceIdentifier<?> id, final int tableIndex) - throws WriteFailedException { - - if (tableIndex == -1) { - return; // classify table id is absent - } - final ClassifyAddDelTable request = new ClassifyAddDelTable(); - request.tableIndex = tableIndex; - final CompletionStage<ClassifyAddDelTableReply> cs = jvpp.classifyAddDelTable(request); - getReplyForDelete(cs.toCompletableFuture(), id); - } - - protected static boolean appliesToIp4Path(final Ace ace) { - final AceType aceType = ace.getMatches().getAceType(); - final AclType aclType = AclType.fromAce(ace); - if (aclType == AclType.IP4) { - return true; - } - if (aclType == AclType.ETH) { - return true; // L2 only rules are possible for IP4 traffic - } - if (aclType == AclType.ETH_AND_IP && ((AceIpAndEth) aceType) - .getAceIpVersion() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv4) { - return true; - } - return false; - } - - protected static boolean appliesToIp6Path(final Ace ace) { - final AceType aceType = ace.getMatches().getAceType(); - final AclType aclType = AclType.fromAce(ace); - if (aclType == AclType.IP6) { - return true; - } - if (aclType == AclType.ETH) { - return true; // L2 only rules are possible for IP6 traffic - } - if (aclType == AclType.ETH_AND_IP && ((AceIpAndEth) aceType) - .getAceIpVersion() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv6) { - return true; - } - return false; - } - - protected static List<Ace> getACEs(@Nonnull final List<Acl> acls, @Nonnull final WriteContext writeContext, - final Predicate<? super Ace> filter) { - return acls.stream().flatMap(acl -> aclToAceStream(acl, writeContext)).filter(filter) - .collect(Collectors.toList()); - } - - protected int writeAces(final InstanceIdentifier<?> id, final List<Ace> aces, - final AccessLists.DefaultAction defaultAction, final InterfaceMode mode, - final int vlanTags) throws WriteFailedException { - if (aces.isEmpty()) { - return NOT_DEFINED; - } - - int nextTableIndex = configureDefaultAction(id, defaultAction); - final ListIterator<Ace> iterator = aces.listIterator(aces.size()); - while (iterator.hasPrevious()) { - final Ace ace = iterator.previous(); - LOG.trace("Processing ACE: {}", ace); - - final AceWriter aceWriter = - aceWriters.get(AclType.fromAce(ace)); - if (aceWriter == null) { - LOG.warn("AceProcessor for {} not registered. Skipping ACE.", ace.getClass()); - } else { - final AceType aceType = ace.getMatches().getAceType(); - final PacketHandling action = ace.getActions().getPacketHandling(); - final ClassifyAddDelTable ctRequest = aceWriter.createTable(aceType, mode, nextTableIndex, vlanTags); - nextTableIndex = createClassifyTable(id, ctRequest); - final List<ClassifyAddDelSession> sessionRequests = - aceWriter.createSession(action, aceType, mode, nextTableIndex, vlanTags); - for (ClassifyAddDelSession csRequest : sessionRequests) { - createClassifySession(id, csRequest); - } - } - } - return nextTableIndex; - } - - private int configureDefaultAction(@Nonnull final InstanceIdentifier<?> id, - final AccessLists.DefaultAction defaultAction) - throws WriteFailedException { - ClassifyAddDelTable ctRequest = createTable(-1); - if (AccessLists.DefaultAction.Permit.equals(defaultAction)) { - ctRequest.missNextIndex = -1; - } else { - ctRequest.missNextIndex = 0; - } - ctRequest.mask = new byte[16]; - ctRequest.skipNVectors = 0; - ctRequest.matchNVectors = 1; - return createClassifyTable(id, ctRequest); - } - - private int createClassifyTable(@Nonnull final InstanceIdentifier<?> id, - @Nonnull final ClassifyAddDelTable request) - throws WriteFailedException { - final CompletionStage<ClassifyAddDelTableReply> cs = jvpp.classifyAddDelTable(request); - - final ClassifyAddDelTableReply reply = getReplyForWrite(cs.toCompletableFuture(), id); - return reply.newTableIndex; - } - - private void createClassifySession(@Nonnull final InstanceIdentifier<?> id, - @Nonnull final ClassifyAddDelSession request) - throws WriteFailedException { - final CompletionStage<ClassifyAddDelSessionReply> cs = jvpp.classifyAddDelSession(request); - - getReplyForWrite(cs.toCompletableFuture(), id); - } - - private enum AclType { - ETH, IP4, IP6, ETH_AND_IP; - - @Nonnull - private static AclType fromAce(final Ace ace) { - AclType result = null; - final AceType aceType; - try { - aceType = ace.getMatches().getAceType(); - if (aceType instanceof AceEth) { - result = ETH; - } else if (aceType instanceof AceIp) { - final AceIpVersion aceIpVersion = ((AceIp) aceType).getAceIpVersion(); - if (aceIpVersion == null) { - throw new IllegalArgumentException("Incomplete ACE (ip-version was not provided): " + ace); - } - if (aceIpVersion instanceof AceIpv4) { - result = IP4; - } else if (aceIpVersion instanceof AceIpv6) { - result = IP6; - } - } else if (aceType instanceof AceIpAndEth) { - result = ETH_AND_IP; - } - } catch (NullPointerException e) { - throw new IllegalArgumentException("Incomplete ACE: " + ace, e); - } - if (result == null) { - throw new IllegalArgumentException(String.format("Not supported ace type %s", aceType)); - } - return result; - } - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceEthWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceEthWriter.java deleted file mode 100644 index 14124dcc7..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceEthWriter.java +++ /dev/null @@ -1,85 +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.acl.common; - -import com.google.common.annotations.VisibleForTesting; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.Collections; -import java.util.List; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceEth; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -final class AceEthWriter implements AceWriter<AceEth>, AclTranslator, L2AclTranslator { - - @VisibleForTesting - static final int MATCH_N_VECTORS = 1; - private static final Logger LOG = LoggerFactory.getLogger(AceEthWriter.class); - - @Override - public ClassifyAddDelTable createTable(@Nonnull final AceEth aceEth, - @Nullable final InterfaceMode mode, - final int nextTableIndex, - final int vlanTags) { - final ClassifyAddDelTable request = createTable(nextTableIndex); - - request.mask = new byte[16]; - boolean aceIsEmpty = - destinationMacAddressMask(aceEth.getDestinationMacAddressMask(), aceEth.getDestinationMacAddress(), - request); - aceIsEmpty &= - sourceMacAddressMask(aceEth.getSourceMacAddressMask(), aceEth.getSourceMacAddress(), request); - - if (aceIsEmpty) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", aceEth.toString())); - } - - request.skipNVectors = 0; - request.matchNVectors = MATCH_N_VECTORS; - - LOG.debug("ACE rule={} translated to table={}.", aceEth, request); - return request; - } - - @Override - public List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, - @Nonnull final AceEth aceEth, - @Nullable final InterfaceMode mode, - final int tableIndex, - final int vlanTags) { - final ClassifyAddDelSession request = createSession(action, tableIndex); - - request.match = new byte[16]; - boolean noMatch = destinationMacAddressMatch(aceEth.getDestinationMacAddress(), request); - noMatch &= sourceMacAddressMatch(aceEth.getSourceMacAddress(), request); - - if (noMatch) { - throw new IllegalArgumentException( - String.format("Ace %s does not define neither source nor destination MAC address", - aceEth.toString())); - } - - LOG.debug("ACE action={}, rule={} translated to session={}.", action, aceEth, request); - return Collections.singletonList(request); - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp4Writer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp4Writer.java deleted file mode 100644 index 7d75e3969..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp4Writer.java +++ /dev/null @@ -1,94 +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.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.annotations.VisibleForTesting; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.ArrayList; -import java.util.List; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIp; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv4; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -final class AceIp4Writer implements AceWriter<AceIp>, AclTranslator, Ip4AclTranslator { - - @VisibleForTesting - static final int MATCH_N_VECTORS = 3; // number of 16B vectors - private static final int TABLE_MASK_LENGTH = 48; - private static final Logger LOG = LoggerFactory.getLogger(AceIp4Writer.class); - - @Override - public ClassifyAddDelTable createTable(@Nonnull final AceIp aceIp, - @Nullable final InterfaceMode mode, - final int nextTableIndex, - final int vlanTags) { - checkArgument(aceIp.getAceIpVersion() instanceof AceIpv4, "Expected AceIpv4 version, but was %", aceIp); - final AceIpv4 ipVersion = (AceIpv4) aceIp.getAceIpVersion(); - - final int numberOfSessions = PortPair.fromRange(aceIp.getSourcePortRange(), aceIp.getDestinationPortRange()).size(); - final ClassifyAddDelTable request = createTable(nextTableIndex, numberOfSessions); - request.skipNVectors = 0; // match entire L2 and L3 header - request.matchNVectors = MATCH_N_VECTORS; - request.mask = new byte[TABLE_MASK_LENGTH]; - - final int baseOffset = getVlanTagsLen(vlanTags); - boolean aceIsEmpty = ip4Mask(baseOffset, mode, aceIp, ipVersion, request); - if (aceIsEmpty) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", aceIp.toString())); - } - - LOG.debug("ACE rule={} translated to table={}.", aceIp, request); - return request; - } - - @Override - public List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, - @Nonnull final AceIp aceIp, - @Nullable final InterfaceMode mode, - final int tableIndex, - final int vlanTags) { - checkArgument(aceIp.getAceIpVersion() instanceof AceIpv4, "Expected AceIpv4 version, but was %", aceIp); - final AceIpv4 ipVersion = (AceIpv4) aceIp.getAceIpVersion(); - - final List<PortPair> portPairs = PortPair.fromRange(aceIp.getSourcePortRange(), aceIp.getDestinationPortRange()); - final List<ClassifyAddDelSession> requests = new ArrayList<>(portPairs.size()); - for (final PortPair pair : portPairs) { - final ClassifyAddDelSession request = createSession(action, tableIndex); - request.match = new byte[TABLE_MASK_LENGTH]; - - final int baseOffset = getVlanTagsLen(vlanTags); - boolean noMatch = ip4Match(baseOffset, mode, aceIp, ipVersion, pair.getSrc(), pair.getDst(), request); - if (noMatch) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", aceIp.toString())); - } - - LOG.debug("ACE action={}, rule={} translated to session={}.", action, aceIp, request); - requests.add(request); - } - return requests; - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp6Writer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp6Writer.java deleted file mode 100644 index cad80022e..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIp6Writer.java +++ /dev/null @@ -1,99 +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.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.ArrayList; -import java.util.List; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIp; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv6; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -final class AceIp6Writer implements AceWriter<AceIp>, AclTranslator, Ip6AclTranslator { - - private static final Logger LOG = LoggerFactory.getLogger(AceIp6Writer.class); - - @Override - public ClassifyAddDelTable createTable(@Nonnull final AceIp aceIp, - @Nullable final InterfaceMode mode, - final int nextTableIndex, - final int vlanTags) { - checkArgument(aceIp.getAceIpVersion() instanceof AceIpv6, "Expected AceIpv6 version, but was %", aceIp); - final AceIpv6 ipVersion = (AceIpv6) aceIp.getAceIpVersion(); - - final int numberOfSessions = PortPair.fromRange(aceIp.getSourcePortRange(), aceIp.getDestinationPortRange()).size(); - final ClassifyAddDelTable request = createTable(nextTableIndex, numberOfSessions); - request.skipNVectors = 0; // match entire L2 and L3 header - request.mask = new byte[getTableMaskLength(vlanTags)]; - request.matchNVectors = request.mask.length/16; - - final int baseOffset = getVlanTagsLen(vlanTags); - boolean aceIsEmpty = ip6Mask(baseOffset, mode, aceIp, ipVersion, request); - if (aceIsEmpty) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", aceIp.toString())); - } - - LOG.debug("ACE rule={} translated to table={}.", aceIp, request); - return request; - } - - private static int getTableMaskLength(final int vlanTags) { - if (vlanTags == 2) { - return 80; - } else { - return 64; - } - } - - @Override - public List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, - @Nonnull final AceIp aceIp, - @Nullable final InterfaceMode mode, - final int tableIndex, - final int vlanTags) { - checkArgument(aceIp.getAceIpVersion() instanceof AceIpv6, "Expected AceIpv6 version, but was %", aceIp); - final AceIpv6 ipVersion = (AceIpv6) aceIp.getAceIpVersion(); - final List<PortPair> portPairs = - PortPair.fromRange(aceIp.getSourcePortRange(), aceIp.getDestinationPortRange()); - - final List<ClassifyAddDelSession> requests = new ArrayList<>(portPairs.size()); - for (final PortPair pair : portPairs) { - final ClassifyAddDelSession request = createSession(action, tableIndex); - request.match = new byte[getTableMaskLength(vlanTags)]; - - final int baseOffset = getVlanTagsLen(vlanTags); - boolean noMatch = ip6Match(baseOffset, mode, aceIp, ipVersion, pair.getSrc(), pair.getDst(), request); - if (noMatch) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", aceIp.toString())); - } - - LOG.debug("ACE action={}, rule={} translated to session={}.", action, aceIp, request); - requests.add(request); - } - return requests; - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIpAndEthWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIpAndEthWriter.java deleted file mode 100644 index ca12cbe19..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceIpAndEthWriter.java +++ /dev/null @@ -1,129 +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.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.ArrayList; -import java.util.List; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIpAndEth; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.AceIpVersion; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv4; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv6; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public final class AceIpAndEthWriter - implements AceWriter<AceIpAndEth>, AclTranslator, L2AclTranslator, Ip4AclTranslator, Ip6AclTranslator { - - private static final Logger LOG = LoggerFactory.getLogger(AceIpAndEthWriter.class); - - private static int maskLength(@Nonnull final AceIpAndEth ace, final int vlanTags) { - if (ace.getAceIpVersion() != null) { - if (ace.getAceIpVersion() instanceof AceIpv4) { - return 48; - } else { - return vlanTags == 2 - ? 80 - : 64; - } - } - return 16; - } - - @Override - public ClassifyAddDelTable createTable(@Nonnull final AceIpAndEth ace, @Nullable final InterfaceMode mode, - final int nextTableIndex, final int vlanTags) { - final int numberOfSessions = PortPair.fromRange(ace.getSourcePortRange(), ace.getDestinationPortRange()).size(); - final ClassifyAddDelTable request = createTable(nextTableIndex, numberOfSessions); - final int maskLength = maskLength(ace, vlanTags); - request.mask = new byte[maskLength]; - request.skipNVectors = 0; - request.matchNVectors = maskLength / 16; - - boolean aceIsEmpty = - destinationMacAddressMask(ace.getDestinationMacAddressMask(), ace.getDestinationMacAddress(), request); - aceIsEmpty &= sourceMacAddressMask(ace.getSourceMacAddressMask(), ace.getSourceMacAddress(), request); - - // if we use classifier API, we need to know ip version (fields common for ip4 and ip6 have different offsets): - final AceIpVersion aceIpVersion = ace.getAceIpVersion(); - checkArgument(aceIpVersion != null, "AceIpAndEth have to define IpVersion"); - - final int baseOffset = getVlanTagsLen(vlanTags); - if (aceIpVersion instanceof AceIpv4) { - final AceIpv4 ipVersion = (AceIpv4) aceIpVersion; - aceIsEmpty &= ip4Mask(baseOffset, mode, ace, ipVersion, request); - } else if (aceIpVersion instanceof AceIpv6) { - final AceIpv6 ipVersion = (AceIpv6) aceIpVersion; - aceIsEmpty &= ip6Mask(baseOffset, mode, ace, ipVersion, request); - } else { - throw new IllegalArgumentException(String.format("Unsupported IP version %s", aceIpVersion)); - } - - if (aceIsEmpty) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", ace.toString())); - } - - LOG.debug("ACE rule={} translated to table={}.", ace, request); - return request; - } - - @Override - public List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, - @Nonnull final AceIpAndEth ace, - @Nullable final InterfaceMode mode, final int tableIndex, - final int vlanTags) { - final List<PortPair> portPairs = PortPair.fromRange(ace.getSourcePortRange(), ace.getDestinationPortRange()); - final List<ClassifyAddDelSession> requests = new ArrayList<>(portPairs.size()); - for (final PortPair pair : portPairs) { - final ClassifyAddDelSession request = createSession(action, tableIndex); - request.match = new byte[maskLength(ace, vlanTags)]; - - boolean noMatch = destinationMacAddressMatch(ace.getDestinationMacAddress(), request); - noMatch &= sourceMacAddressMatch(ace.getSourceMacAddress(), request); - - final AceIpVersion aceIpVersion = ace.getAceIpVersion(); - checkArgument(aceIpVersion != null, "AceIpAndEth have to define IpVersion"); - - final int baseOffset = getVlanTagsLen(vlanTags); - if (aceIpVersion instanceof AceIpv4) { - final AceIpv4 ipVersion = (AceIpv4) aceIpVersion; - noMatch &= ip4Match(baseOffset, mode, ace, ipVersion, pair.getSrc(), pair.getDst(), request); - } else if (aceIpVersion instanceof AceIpv6) { - final AceIpv6 ipVersion = (AceIpv6) aceIpVersion; - noMatch &= ip6Match(baseOffset, mode, ace, ipVersion, pair.getSrc(), pair.getDst(), request); - } else { - throw new IllegalArgumentException(String.format("Unsupported IP version %s", aceIpVersion)); - } - - if (noMatch) { - throw new IllegalArgumentException( - String.format("Ace %s does not define packet field match values", ace.toString())); - } - LOG.debug("ACE action={}, rule={} translated to session={}.", action, ace, request); - requests.add(request); - } - return requests; - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceWriter.java deleted file mode 100644 index ae540f94d..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AceWriter.java +++ /dev/null @@ -1,54 +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.acl.common; - -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.List; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.AceType; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; - -/** - * Writer responsible for translation of ietf-acl model ACEs to VPP's classify tables and sessions. - * - * @param <T> type of access control list entry - */ -interface AceWriter<T extends AceType> { - /** - * @param ace access list entry - * @param mode interface mode (L2/L3) - * @param nextTableIndex index of the next classify table in chain - * @param vlanTags number of vlan tags - */ - @Nonnull - ClassifyAddDelTable createTable(@Nonnull final T ace, @Nullable final InterfaceMode mode, final int nextTableIndex, - final int vlanTags); - - /** - * @param action to be taken when packet does match the specified ace - * @param ace access list entry - * @param mode interface mode (L2/L3) - * @param tableIndex index of corresponding classify table - * @param vlanTags number of vlan tags - */ - @Nonnull - List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, @Nonnull T ace, - @Nullable final InterfaceMode mode, final int tableIndex, final int vlanTags); -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManager.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManager.java deleted file mode 100644 index bddc16a23..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManager.java +++ /dev/null @@ -1,53 +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.acl.common; - -import com.google.common.base.Optional; -import io.fd.honeycomb.translate.MappingContext; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntry; - -/** - * Manages interface metadata for ietf-acl model. - */ -public interface AclTableContextManager { - - /** - * Obtains mapping entry for given interface. - * - * @param index interface index - * @param mappingContext mapping context providing context data for current transaction - * @return ietf-acl metadata for given interface - */ - Optional<MappingEntry> getEntry(final int index, @Nonnull final MappingContext mappingContext); - - /** - * Adds mapping entry. - * - * @param entry to be added - * @param mappingContext mapping context providing context data for current transaction - */ - void addEntry(@Nonnull final MappingEntry entry, @Nonnull final MappingContext mappingContext); - - /** - * Removes entry for given interface (if present). - * - * @param index interface index - * @param mappingContext mapping context providing context data for current transaction - */ - void removeEntry(final int index, @Nonnull final MappingContext mappingContext); -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManagerImpl.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManagerImpl.java deleted file mode 100644 index 60fb0d24b..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTableContextManagerImpl.java +++ /dev/null @@ -1,68 +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.acl.common; - -import static com.google.common.base.Preconditions.checkNotNull; - -import com.google.common.annotations.VisibleForTesting; -import com.google.common.base.Optional; -import io.fd.honeycomb.translate.MappingContext; -import javax.annotation.Nonnull; -import javax.annotation.concurrent.ThreadSafe; -import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.AclMappingEntryCtxAugmentation; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.AclMappingEntryContext; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.MappingTable; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.MappingTableKey; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntryKey; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; - -@ThreadSafe -public class AclTableContextManagerImpl implements AclTableContextManager { - - private MappingTable.Direction direction; - - public AclTableContextManagerImpl(@Nonnull final MappingTable.Direction direction) { - this.direction = checkNotNull(direction, "direction should not be null"); - } - - @Nonnull - @Override - public synchronized Optional<MappingEntry> getEntry(final int swIfIndex, @Nonnull final MappingContext mappingContext) { - return mappingContext.read(getId(swIfIndex)); - } - - @Override - public synchronized void addEntry(@Nonnull final MappingEntry entry, @Nonnull final MappingContext mappingContext) { - mappingContext.put(getId(entry.getIndex()), entry); - } - - @Override - public synchronized void removeEntry(final int swIfIndex, @Nonnull final MappingContext mappingContext) { - mappingContext.delete(getId(swIfIndex)); - } - - @VisibleForTesting - protected InstanceIdentifier<MappingEntry> getId(final int index) { - return InstanceIdentifier.create(Contexts.class) - .augmentation(AclMappingEntryCtxAugmentation.class) - .child(AclMappingEntryContext.class) - .child(MappingTable.class, new MappingTableKey(direction)) - .child(MappingEntry.class, new MappingEntryKey(index)); - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTranslator.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTranslator.java deleted file mode 100644 index 2d898f1d9..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AclTranslator.java +++ /dev/null @@ -1,74 +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.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import javax.annotation.Nonnegative; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.packet.handling.Permit; - -/** - * Utility that helps translating of ietf-acl model ACEs to VPP's classify tables and sessions. - */ -interface AclTranslator { - int TABLE_MEM_SIZE = 8 * 1024; - int VLAN_TAG_LEN = 4; - - default ClassifyAddDelTable createTable(final int nextTableIndex) { - return createTable(nextTableIndex, 1); - } - - default ClassifyAddDelTable createTable(final int nextTableIndex, @Nonnegative final int numberOfSessions) { - final ClassifyAddDelTable request = new ClassifyAddDelTable(); - request.isAdd = 1; - request.tableIndex = -1; // value not present - request.nbuckets = numberOfSessions; - request.nextTableIndex = nextTableIndex; - - - // TODO: HONEYCOMB-181 minimise memory used by classify tables (we create a lot of them to make ietf-acl model - // mapping more convenient): - // according to https://wiki.fd.io/view/VPP/Introduction_To_N-tuple_Classifiers#Creating_a_classifier_table, - // classify table needs 16*(1 + match_n_vectors) bytes, but this does not quite work, - // so setting 8K +1k*numberOfSessions for now - checkArgument(numberOfSessions>0, "negative numberOfSessions %s", numberOfSessions); - request.memorySize = TABLE_MEM_SIZE+1024*(numberOfSessions-1); - request.missNextIndex = -1; // value not set, but anyway it is ignored for tables in chain - return request; - } - - default ClassifyAddDelSession createSession(@Nonnull final PacketHandling action, final int tableIndex) { - final ClassifyAddDelSession request = new ClassifyAddDelSession(); - request.isAdd = 1; - request.tableIndex = tableIndex; - request.opaqueIndex = ~0; // value not used - - if (action instanceof Permit) { - request.hitNextIndex = -1; - } // deny (0) is default value - - return request; - } - - default int getVlanTagsLen(final int vlanTags) { - return vlanTags * VLAN_TAG_LEN; - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/IetfAclWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/IetfAclWriter.java deleted file mode 100644 index 2e8750cd5..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/IetfAclWriter.java +++ /dev/null @@ -1,47 +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.acl.common; - -import io.fd.honeycomb.translate.MappingContext; -import io.fd.honeycomb.translate.write.WriteContext; -import io.fd.honeycomb.translate.write.WriteFailedException; -import java.util.List; -import javax.annotation.Nonnegative; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.AccessLists; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.access.lists.Acl; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; - -public interface IetfAclWriter { - default void write(@Nonnull final InstanceIdentifier<?> id, final int ifIndex, @Nonnull final List<Acl> acls, - final AccessLists.DefaultAction defaultAction, @Nullable final InterfaceMode mode, - @Nonnull final WriteContext writeContext, @Nonnull final MappingContext mappingContext) - throws WriteFailedException { - write(id, ifIndex, acls, defaultAction, mode, writeContext, 0, mappingContext); - } - - void write(@Nonnull final InstanceIdentifier<?> id, int ifIndex, @Nonnull final List<Acl> acls, - final AccessLists.DefaultAction defaultAction, @Nullable InterfaceMode mode, - @Nonnull final WriteContext writeContext, @Nonnegative final int numberOfTags, - @Nonnull final MappingContext mappingContext) - throws WriteFailedException; - - void deleteAcl(@Nonnull final InstanceIdentifier<?> id, int ifIndex, @Nonnull final MappingContext mappingContext) - throws WriteFailedException; -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip4AclTranslator.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip4AclTranslator.java deleted file mode 100644 index 304d6c1f0..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip4AclTranslator.java +++ /dev/null @@ -1,149 +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.acl.common; - -import com.google.common.primitives.Ints; -import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.AclIpHeaderFields; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.AclIpv4HeaderFields; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; - -interface Ip4AclTranslator extends Ipv4Translator { - int ETHER_TYPE_OFFSET = 12; // first 14 bytes represent L2 header (2x6) - int DSCP_OFFSET = 15; - int DSCP_MASK = 0xfc; - - int IP_PROTOCOL_OFFSET = ETHER_TYPE_OFFSET + 11; - int IP_PROTOCOL_MASK = 0xff; - - int IP4_LEN = 4; - int IP4_MASK_BIT_LENGTH = 32; - int SRC_IP_OFFSET = ETHER_TYPE_OFFSET + 14; - int DST_IP_OFFSET = SRC_IP_OFFSET + IP4_LEN; - int SRC_PORT_OFFSET = DST_IP_OFFSET + IP4_LEN; - int DST_PORT_OFFSET = SRC_PORT_OFFSET + 2; - - default boolean ip4Mask(final int baseOffset, final InterfaceMode mode, final AclIpHeaderFields header, - final AclIpv4HeaderFields ip4, final ClassifyAddDelTable request) { - boolean aceIsEmpty = true; - if (InterfaceMode.L2.equals(mode)) { - // in L2 mode we need to match ether type - request.mask[baseOffset + ETHER_TYPE_OFFSET] = (byte) 0xff; - request.mask[baseOffset + ETHER_TYPE_OFFSET + 1] = (byte) 0xff; - } - if (header.getDscp() != null) { - aceIsEmpty = false; - request.mask[baseOffset + DSCP_OFFSET] = (byte) DSCP_MASK; // first 6 bits - } - if (header.getProtocol() != null) { // Internet Protocol number - aceIsEmpty = false; - request.mask[baseOffset + IP_PROTOCOL_OFFSET] = (byte) IP_PROTOCOL_MASK; - } - if (header.getSourcePortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - aceIsEmpty = false; - request.mask[baseOffset + SRC_PORT_OFFSET] = (byte) 0xff; - request.mask[baseOffset + SRC_PORT_OFFSET + 1] = (byte) 0xff; - } - if (header.getDestinationPortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - aceIsEmpty = false; - request.mask[baseOffset + DST_PORT_OFFSET] = (byte) 0xff; - request.mask[baseOffset + DST_PORT_OFFSET + 1] = (byte) 0xff; - } - if (ip4.getSourceIpv4Network() != null) { - aceIsEmpty = false; - System.arraycopy(Impl.toByteMask(ip4.getSourceIpv4Network()), 0, request.mask, - baseOffset + SRC_IP_OFFSET, IP4_LEN); - } - if (ip4.getDestinationIpv4Network() != null) { - aceIsEmpty = false; - System.arraycopy(Impl.toByteMask(ip4.getDestinationIpv4Network()), 0, request.mask, - baseOffset + DST_IP_OFFSET, IP4_LEN); - } - return aceIsEmpty; - } - - default boolean ip4Match(final int baseOffset, final InterfaceMode mode, final AclIpHeaderFields header, - final AclIpv4HeaderFields ip4, final Integer srcPort, - final Integer dstPort, final ClassifyAddDelSession request) { - boolean noMatch = true; - if (InterfaceMode.L2.equals(mode)) { - // match IP4 etherType (0x0800) - request.match[baseOffset + ETHER_TYPE_OFFSET] = 0x08; - request.match[baseOffset + ETHER_TYPE_OFFSET + 1] = 0x00; - } - if (header.getDscp() != null) { - noMatch = false; - request.match[baseOffset + DSCP_OFFSET] = (byte) (DSCP_MASK & (header.getDscp().getValue() << 2)); - } - if (header.getProtocol() != null) { // Internet Protocol number - noMatch = false; - request.match[baseOffset + IP_PROTOCOL_OFFSET] = (byte) (IP_PROTOCOL_MASK & header.getProtocol()); - } - if (srcPort != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - noMatch = false; - request.match[baseOffset + SRC_PORT_OFFSET] = (byte) (0xff & srcPort >> 8); - request.match[baseOffset + SRC_PORT_OFFSET + 1] = (byte) (0xff & srcPort); - } - if (header.getDestinationPortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - noMatch = false; - request.match[baseOffset + DST_PORT_OFFSET] = (byte) (0xff & dstPort >> 8); - request.match[baseOffset + DST_PORT_OFFSET + 1] = (byte) (0xff & dstPort); - } - if (ip4.getSourceIpv4Network() != null) { - noMatch = false; - System.arraycopy(Impl.toMatchValue(ip4.getSourceIpv4Network()), 0, request.match, - baseOffset + SRC_IP_OFFSET, IP4_LEN); - - } - if (ip4.getDestinationIpv4Network() != null) { - noMatch = false; - System.arraycopy(Impl.toMatchValue(ip4.getDestinationIpv4Network()), 0, request.match, - baseOffset + DST_IP_OFFSET, IP4_LEN); - - } - return noMatch; - } - - class Impl { - private static byte[] toByteMask(final int prefixLength) { - final long mask = ((1L << prefixLength) - 1) << (IP4_MASK_BIT_LENGTH - prefixLength); - return Ints.toByteArray((int) mask); - } - - private static byte[] toByteMask(final Ipv4Prefix ipv4Prefix) { - final int prefixLength = Byte.valueOf(ipv4Prefix.getValue().split("/")[1]); - return toByteMask(prefixLength); - } - - private static byte[] toMatchValue(final Ipv4Prefix ipv4Prefix) { - final String[] split = ipv4Prefix.getValue().split("/"); - final byte[] addressBytes = Ipv4Translator.INSTANCE.ipv4AddressNoZoneToArray(split[0]); - final byte[] mask = Impl.toByteMask(Byte.valueOf(split[1])); - for (int i = 0; i < addressBytes.length; ++i) { - addressBytes[i] &= mask[i]; - } - return addressBytes; - } - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip6AclTranslator.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip6AclTranslator.java deleted file mode 100644 index c0da75687..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/Ip6AclTranslator.java +++ /dev/null @@ -1,182 +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.acl.common; - -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.net.InetAddress; -import java.net.UnknownHostException; -import java.util.BitSet; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.AclIpHeaderFields; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.AclIpv6HeaderFields; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; - -interface Ip6AclTranslator { - - int ETHER_TYPE_OFFSET = 12; // first 14 bytes represent L2 header (2x6) - int IP_VERSION_OFFSET = ETHER_TYPE_OFFSET + 2; - int DSCP_MASK1 = 0x0f; - int DSCP_MASK2 = 0xc0; - int IP_PROTOCOL_OFFSET = IP_VERSION_OFFSET + 6; - int IP_PROTOCOL_MASK = 0xff; - int IP6_LEN = 16; - int SRC_IP_OFFSET = IP_VERSION_OFFSET + 8; - int DST_IP_OFFSET = SRC_IP_OFFSET + IP6_LEN; - int SRC_PORT_OFFSET = DST_IP_OFFSET + IP6_LEN; - int DST_PORT_OFFSET = SRC_PORT_OFFSET + 2; - - default boolean ip6Mask(final int baseOffset, final InterfaceMode mode, final AclIpHeaderFields header, - final AclIpv6HeaderFields ip6, final ClassifyAddDelTable request) { - boolean aceIsEmpty = true; - if (InterfaceMode.L2.equals(mode)) { - // in L2 mode we need to match ether type - request.mask[baseOffset + ETHER_TYPE_OFFSET] = (byte) 0xff; - request.mask[baseOffset + ETHER_TYPE_OFFSET + 1] = (byte) 0xff; - } - if (header.getDscp() != null) { - aceIsEmpty = false; - // DCSP (bits 4-9 of IP6 header) - request.mask[baseOffset + IP_VERSION_OFFSET] |= DSCP_MASK1; - request.mask[baseOffset + IP_VERSION_OFFSET + 1] |= DSCP_MASK2; - } - if (header.getProtocol() != null) { // Internet Protocol number - aceIsEmpty = false; - request.mask[baseOffset + IP_PROTOCOL_OFFSET] = (byte) IP_PROTOCOL_MASK; - } - if (ip6.getFlowLabel() != null) { - aceIsEmpty = false; - // bits 12-31 - request.mask[baseOffset + IP_VERSION_OFFSET + 1] |= (byte) 0x0f; - request.mask[baseOffset + IP_VERSION_OFFSET + 2] = (byte) 0xff; - request.mask[baseOffset + IP_VERSION_OFFSET + 3] = (byte) 0xff; - } - if (header.getSourcePortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - aceIsEmpty = false; - request.mask[baseOffset + SRC_PORT_OFFSET] = (byte) 0xff; - request.mask[baseOffset + SRC_PORT_OFFSET + 1] = (byte) 0xff; - } - if (header.getDestinationPortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - aceIsEmpty = false; - request.mask[baseOffset + DST_PORT_OFFSET] = (byte) 0xff; - request.mask[baseOffset + DST_PORT_OFFSET + 1] = (byte) 0xff; - } - if (ip6.getSourceIpv6Network() != null) { - aceIsEmpty = false; - final byte[] mask = Impl.toByteMask(ip6.getSourceIpv6Network()); - System.arraycopy(mask, 0, request.mask, baseOffset + SRC_IP_OFFSET, mask.length); - } - if (ip6.getDestinationIpv6Network() != null) { - aceIsEmpty = false; - final byte[] mask = Impl.toByteMask(ip6.getDestinationIpv6Network()); - System.arraycopy(mask, 0, request.mask, baseOffset + DST_IP_OFFSET, mask.length); - } - return aceIsEmpty; - } - - default boolean ip6Match(final int baseOffset, final InterfaceMode mode, final AclIpHeaderFields header, - final AclIpv6HeaderFields ip6, final Integer srcPort, final Integer dstPort, final ClassifyAddDelSession request) { - boolean noMatch = true; - if (InterfaceMode.L2.equals(mode)) { - // match IP6 etherType (0x86dd) - request.match[baseOffset + ETHER_TYPE_OFFSET] = (byte) 0x86; - request.match[baseOffset + ETHER_TYPE_OFFSET + 1] = (byte) 0xdd; - } - if (header.getDscp() != null) { - noMatch = false; - final int dcsp = header.getDscp().getValue(); - // set bits 4-9 of IP6 header: - request.match[baseOffset + IP_VERSION_OFFSET] |= (byte) (DSCP_MASK1 & (dcsp >> 2)); - request.match[baseOffset + IP_VERSION_OFFSET + 1] |= (byte) (DSCP_MASK2 & (dcsp << 6)); - } - if (header.getProtocol() != null) { // Internet Protocol number - noMatch = false; - request.match[baseOffset + IP_PROTOCOL_OFFSET] = (byte) (IP_PROTOCOL_MASK & header.getProtocol()); - } - if (ip6.getFlowLabel() != null) { - noMatch = false; - final int flowLabel = ip6.getFlowLabel().getValue().intValue(); - // bits 12-31 - request.match[baseOffset + IP_VERSION_OFFSET + 1] |= (byte) (0x0f & (flowLabel >> 16)); - request.match[baseOffset + IP_VERSION_OFFSET + 2] = (byte) (0xff & (flowLabel >> 8)); - request.match[baseOffset + IP_VERSION_OFFSET + 3] = (byte) (0xff & flowLabel); - } - if (header.getSourcePortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - noMatch = false; - request.match[baseOffset + SRC_PORT_OFFSET] = (byte) (0xff & srcPort >> 8); - request.match[baseOffset + SRC_PORT_OFFSET + 1] = (byte) (0xff & srcPort); - } - if (header.getDestinationPortRange() != null) { - // TODO (HONEYCOMB-253): port matching will not work correctly if Options are present - noMatch = false; - request.match[baseOffset + DST_PORT_OFFSET] = (byte) (0xff & dstPort >> 8); - request.match[baseOffset + DST_PORT_OFFSET + 1] = (byte) (0xff & dstPort); - } - if (ip6.getSourceIpv6Network() != null) { - noMatch = false; - final byte[] match = Impl.toMatchValue(ip6.getSourceIpv6Network()); - System.arraycopy(match, 0, request.match, baseOffset + SRC_IP_OFFSET, IP6_LEN); - } - if (ip6.getDestinationIpv6Network() != null) { - noMatch = false; - final byte[] match = Impl.toMatchValue(ip6.getDestinationIpv6Network()); - System.arraycopy(match, 0, request.match, baseOffset + DST_IP_OFFSET, IP6_LEN); - } - return noMatch; - } - - class Impl { - private static final int IP6_MASK_BIT_LENGTH = 128; - - private static byte[] toByteMask(final int prefixLength) { - final BitSet mask = new BitSet(IP6_MASK_BIT_LENGTH); - mask.set(0, prefixLength, true); - if (prefixLength < IP6_MASK_BIT_LENGTH) { - mask.set(prefixLength, IP6_MASK_BIT_LENGTH, false); - } - return mask.toByteArray(); - } - - private static byte[] toByteMask(final Ipv6Prefix ipv6Prefix) { - final int prefixLength = Short.valueOf(ipv6Prefix.getValue().split("/")[1]); - return toByteMask(prefixLength); - } - - private static byte[] toMatchValue(final Ipv6Prefix ipv6Prefix) { - final String[] split = ipv6Prefix.getValue().split("/"); - final byte[] addressBytes; - try { - addressBytes = InetAddress.getByName(split[0]).getAddress(); - } catch (UnknownHostException e) { - throw new IllegalArgumentException("Invalid IP6 address", e); - } - final byte[] mask = toByteMask(Short.valueOf(split[1])); - int pos = 0; - for (; pos < mask.length; ++pos) { - addressBytes[pos] &= mask[pos]; - } - // mask can be shorter that address, so we need to clear rest of the address: - for (; pos < addressBytes.length; ++pos) { - addressBytes[pos] = 0; - } - return addressBytes; - } - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/L2AclTranslator.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/L2AclTranslator.java deleted file mode 100644 index c74db7e2a..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/L2AclTranslator.java +++ /dev/null @@ -1,90 +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.acl.common; - -import io.fd.honeycomb.translate.vpp.util.MacTranslator; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import java.util.List; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress; - -interface L2AclTranslator extends MacTranslator { - - default boolean destinationMacAddressMask(final MacAddress dstMask, final MacAddress dstAddress, - final ClassifyAddDelTable request) { - // destination-mac-address or destination-mac-address-mask is present => - // ff:ff:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:00 - if (dstMask != null) { - final List<String> parts = COLON_SPLITTER.splitToList(dstMask.getValue()); - int i = 0; - for (String part : parts) { - request.mask[i++] = parseHexByte(part); - } - return false; - } else if (dstAddress != null) { - for (int i = 0; i < 6; ++i) { - request.mask[i] = (byte) 0xff; - } - return false; - } - return true; - } - - default boolean sourceMacAddressMask(final MacAddress srcMask, final MacAddress srcAddress, - final ClassifyAddDelTable request) { - // source-mac-address or source-mac-address-mask => - // 00:00:00:00:00:00:ff:ff:ff:ff:ff:ff:00:00:00:00 - if (srcMask != null) { - final List<String> parts = COLON_SPLITTER.splitToList(srcMask.getValue()); - int i = 6; - for (String part : parts) { - request.mask[i++] = parseHexByte(part); - } - return false; - } else if (srcAddress != null) { - for (int i = 6; i < 12; ++i) { - request.mask[i] = (byte) 0xff; - } - return false; - } - return true; - } - - default boolean destinationMacAddressMatch(final MacAddress dstAddress, final ClassifyAddDelSession request) { - if (dstAddress != null) { - final List<String> parts = COLON_SPLITTER.splitToList(dstAddress.getValue()); - int i = 0; - for (String part : parts) { - request.match[i++] = parseHexByte(part); - } - return false; - } - return true; - } - - default boolean sourceMacAddressMatch(final MacAddress srcAddress, final ClassifyAddDelSession request) { - if (srcAddress != null) { - final List<String> parts = COLON_SPLITTER.splitToList(srcAddress.getValue()); - int i = 6; - for (String part : parts) { - request.match[i++] = parseHexByte(part); - } - return false; - } - return true; - } -} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/PortPair.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/PortPair.java deleted file mode 100644 index 6d5d506d8..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/PortPair.java +++ /dev/null @@ -1,126 +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.acl.common; - -import java.util.ArrayList; -import java.util.List; -import java.util.Objects; -import java.util.function.BiFunction; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.acl.transport.header.fields.DestinationPortRange; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.acl.transport.header.fields.SourcePortRange; - -/** - * Utility that produces cartesian product out of src and dst port ranges (used to translate ranges into - * list of classify sessions). - */ -final class PortPair { - private final Integer src; - private final Integer dst; - - PortPair(@Nullable final Integer src, @Nullable final Integer dst) { - this.src = src; - this.dst = dst; - } - - Integer getSrc() { - return src; - } - - Integer getDst() { - return dst; - } - - @Override - public String toString() { - return "(" + src + "," + dst + ")"; - } - - @Override - public boolean equals(final Object o) { - if (this == o) { - return true; - } - if (o == null || getClass() != o.getClass()) { - return false; - } - - final PortPair that = (PortPair) o; - if (!Objects.equals(src, that.src)) { - return false; - } - if (!Objects.equals(dst, that.dst)) { - return false; - } - return true; - } - - @Override - public int hashCode() { - return Objects.hash(src, dst); - } - - static List<PortPair> fromRange(final SourcePortRange srcRange, - final DestinationPortRange dstRange) { - final List<PortPair> result = new ArrayList<>(); - if (srcRange == null && dstRange == null) { - result.add(new PortPair(null, null)); - } else if (srcRange != null && dstRange == null) { - processSingleRange(result, srcRange.getLowerPort(), srcRange.getUpperPort(), PortPair::new); - } else if (srcRange == null && dstRange != null) { - processSingleRange(result, dstRange.getLowerPort(), dstRange.getUpperPort(), - (dst, src) -> new PortPair(src, dst)); - } else { - processDoubleRange(result, srcRange, dstRange); - } - return result; - } - - private static void processSingleRange(final List<PortPair> result, - final PortNumber lowerPort, - final PortNumber upperPort, - final BiFunction<Integer, Integer, PortPair> f) { - int low = lowerPort.getValue(); // mandatory - int hi = low; - if (upperPort != null) { - hi = upperPort.getValue(); - } - for (; low <= hi; ++low) { - result.add(f.apply(low, null)); - } - } - - private static void processDoubleRange(final List<PortPair> result, final SourcePortRange srcRange, - final DestinationPortRange dstRange) { - int srcL = srcRange.getLowerPort().getValue(); - int srcH = srcL; - if (srcRange.getUpperPort() != null) { - srcH = srcRange.getUpperPort().getValue(); - } - int dstL = dstRange.getLowerPort().getValue(); - int dstH = dstL; - if (dstRange.getUpperPort() != null) { - dstH = dstRange.getUpperPort().getValue(); - } - for (int i=srcL; i <= srcH; ++i) { - for (int j=dstL; j <= dstH; ++j) { - result.add(new PortPair(i, j)); - } - } - } -} |