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/*
* 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.ace.extractor;
import io.fd.hc2vpp.common.translate.util.AddressTranslator;
import io.fd.hc2vpp.common.translate.util.MacTranslator;
import io.fd.vpp.jvpp.acl.types.MacipAclRule;
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;
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.Deny;
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;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAceIpv4HeaderFields;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAceIpv6HeaderFields;
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;
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.vpp.ace.vpp.ace.nodes.ace.ip.version.AceIpv6;
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.vpp.macip.ace.vpp.macip.ace.nodes.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.vpp.macip.ace.vpp.macip.ace.nodes.ace.ip.version.AceIpv4Builder;
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.vpp.macip.ace.vpp.macip.ace.nodes.ace.ip.version.AceIpv6Builder;
public interface MacIpAceDataExtractor extends AddressTranslator, MacTranslator {
default VppMacipAce fromMacIpAce(@Nonnull final Ace ace) {
return VppMacipAce.class.cast(ace.getMatches().getAceType());
}
default boolean macIpIsIpv6(@Nonnull final VppMacipAce ace) {
return ace.getVppMacipAceNodes().getAceIpVersion() instanceof AceIpv6;
}
default byte[] sourceMacAsBytes(@Nonnull final VppMacipAce ace) {
return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddress().getValue());
}
default byte[] sourceMacMaskAsBytes(@Nonnull final VppMacipAce ace) {
return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddressMask().getValue());
}
default byte[] ipv4Address(@Nonnull final VppMacipAce ace) {
return ipv4AddressPrefixToArray(
VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network());
}
default byte ipv4AddressPrefix(@Nonnull final VppMacipAce ace) {
return extractPrefix(
VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network());
}
default byte[] ipv6Address(@Nonnull final VppMacipAce ace) {
return ipv6AddressPrefixToArray(
VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network());
}
default byte ipv6AddressPrefix(@Nonnull final VppMacipAce ace) {
return extractPrefix(
VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network());
}
/**
* Only 0 and 1 are allowed for mac-ip
*/
default byte macIpAction(@Nonnull final Ace ace) {
final PacketHandling action = ace.getActions().getPacketHandling();
if (action instanceof Permit) {
return 1;
} else if (action instanceof Deny) {
return 0;
} else {
throw new IllegalArgumentException(
String.format("Unsupported packet-handling action %s for ACE %s", action, ace));
}
}
default AceIpVersion ipVersion(final MacipAclRule rule) {
if (rule.isIpv6 == 0) {
return ip4Ace(rule);
} else {
return ip6Ace(rule);
}
}
default AceIpVersion ip4Ace(MacipAclRule rule) {
final AceIpv4Builder ipVersion = new AceIpv4Builder();
if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) {
ipVersion.setSourceIpv4Network(toIpv4Prefix(truncateIp4Array(rule.srcIpAddr), rule.srcIpPrefixLen));
}
return ipVersion.build();
}
default AceIpVersion ip6Ace(MacipAclRule rule) {
final AceIpv6Builder ipVersion = new AceIpv6Builder();
if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) {
ipVersion.setSourceIpv6Network(toIpv6Prefix(rule.srcIpAddr, rule.srcIpPrefixLen));
}
return ipVersion.build();
}
default MacAddress sourceMac(final MacipAclRule rule) {
return new MacAddress(byteArrayToMacSeparated(rule.srcMac));
}
default MacAddress sourceMacMask(final MacipAclRule rule) {
return new MacAddress(byteArrayToMacSeparated(rule.srcMacMask));
}
}
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