diff options
Diffstat (limited to 'acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/acl/AclValidator.java')
-rw-r--r-- | acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/acl/AclValidator.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/acl/AclValidator.java b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/acl/AclValidator.java new file mode 100644 index 000000000..3779b82bf --- /dev/null +++ b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/acl/AclValidator.java @@ -0,0 +1,84 @@ +/* + * 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.hc2vpp.acl.util.acl; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; + +import com.google.common.collect.ImmutableMap; +import com.google.common.collect.ImmutableSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +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.Acl; +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.Matches; +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.VppAcl; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAcl; +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.VppAce; +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.VppMacipAce; + +/** + * Validate Acl data if processable by vpp + */ +public interface AclValidator { + + Set<Class<? extends AclBase>> SUPPORTED_ACL_TYPES = ImmutableSet.of(VppAcl.class, VppMacipAcl.class); + + Map<Class<? extends AclBase>, Class<? extends AceType>> ACL_ACE_PAIRS = ImmutableMap.of( + VppAcl.class, VppAce.class, + VppMacipAcl.class, VppMacipAce.class); + + static void isSupportedAclType(final Acl acl) { + checkArgument(SUPPORTED_ACL_TYPES.contains(acl.getAclType()), + "Unsupported Acl type %s detected for acl %s, allowed types are %s", acl.getAclType(), + acl.getAclName(), SUPPORTED_ACL_TYPES); + } + + static void hasConsistentAceTypeForAclType(final Acl acl) { + checkTypesSame(acl.getAccessListEntries().getAce(), acl.getAclName(), + checkNotNull(ACL_ACE_PAIRS.get(acl.getAclType()), "Unsupported ACL type %s for ACL %s", + acl.getAclType(), acl.getAclName())); + } + + static void checkTypesSame(final List<Ace> aces, final String aclName, final Class<? extends AceType> aceType) { + final Set<AceType> unsupportedAceTypes = aces.stream() + .map(Ace::getMatches) + .map(Matches::getAceType) + .filter(aceType::equals) + .collect(Collectors.toSet()); + checkArgument(unsupportedAceTypes.isEmpty(), "Detected unsupported ace types [%s] for ACL %s, expected %s", + unsupportedAceTypes, aclName, aceType); + } + + static void hasAceList(final Acl acl) { + //checks if aces are defined + checkArgument(!checkNotNull(checkNotNull(acl.getAccessListEntries(), "No access list entries defined") + .getAce(), "No aces defined") + .isEmpty(), "Empty ace list defined"); + } + + default void validateAcl(@Nonnull final Acl acl) { + hasAceList(acl); + isSupportedAclType(acl); + hasConsistentAceTypeForAclType(acl); + } +} |