diff options
Diffstat (limited to 'acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java')
-rw-r--r-- | acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java | 90 |
1 files changed, 66 insertions, 24 deletions
diff --git a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java index b98daa5ce..503ff47dc 100644 --- a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java +++ b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java @@ -16,76 +16,116 @@ package io.fd.hc2vpp.acl.util.ace.extractor; + import io.fd.hc2vpp.common.translate.util.MacTranslator; import io.fd.vpp.jvpp.acl.types.MacipAclRule; +import java.util.Optional; 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.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.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.inet.types.rev130715.Ipv4Prefix; +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.yang.types.rev130715.MacAddress; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAceEthHeaderFields; 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.VppMacipAceNodes; 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.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.ace.ip.version.AceIpv6Builder; public interface MacIpAceDataExtractor extends AddressExtractor, MacTranslator { + String DEFAULT_MAC = "00:00:00:00:00:00"; + String DEFAULT_MAC_MASK = "00:00:00:00:00:00"; + byte[] DEFAULT_MAC_BYTES = {0, 0, 0, 0, 0, 0}; + byte[] DEFAULT_MAC_MASK_BYTES = {0, 0, 0, 0, 0, 0}; + default VppMacipAce fromMacIpAce(@Nonnull final Ace ace) { - return VppMacipAce.class.cast(ace.getMatches().getAceType()); + return Optional.ofNullable(ace.getMatches()) + .map(Matches::getAceType) + .map(VppMacipAce.class::cast) + .orElseThrow( + () -> new IllegalArgumentException(String.format("Unable to create VppMacipAce from %s", ace))); } default boolean macIpIsIpv6(@Nonnull final VppMacipAce ace) { - return ace.getVppMacipAceNodes().getAceIpVersion() instanceof AceIpv6; + return Optional.ofNullable(ace.getVppMacipAceNodes()) + .map(VppMacipAceNodes::getAceIpVersion) + .map(aceIpVersion -> aceIpVersion instanceof AceIpv6) + .orElse(false); } default byte[] sourceMacAsBytes(@Nonnull final VppMacipAce ace) { - return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddress().getValue()); + return macToByteArray(Optional.ofNullable(ace.getVppMacipAceNodes()) + .map(VppMacipAceEthHeaderFields::getSourceMacAddress) + .map(MacAddress::getValue) + .orElse(DEFAULT_MAC)); } default byte[] sourceMacMaskAsBytes(@Nonnull final VppMacipAce ace) { - return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddressMask().getValue()); + return macToByteArray(Optional.ofNullable(ace.getVppMacipAceNodes()) + .map(VppMacipAceEthHeaderFields::getSourceMacAddressMask) + .map(MacAddress::getValue) + .orElse(DEFAULT_MAC_MASK)); } default byte[] ipv4Address(@Nonnull final VppMacipAce ace) { - return extractIp4Address( - VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network()); + return extractIp4Address(extractV4NetworkAddressOrNull(ace)); } default byte ipv4AddressPrefix(@Nonnull final VppMacipAce ace) { - return extractIp4AddressPrefix( - VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network()); + return extractIp4AddressPrefix(extractV4NetworkAddressOrNull(ace)); + } + + static Ipv4Prefix extractV4NetworkAddressOrNull(final @Nonnull VppMacipAce ace) { + return Optional.ofNullable(ace.getVppMacipAceNodes()) + .map(VppMacipAceNodes::getAceIpVersion) + .map(VppMacipAceIpv4HeaderFields.class::cast) + .map(VppMacipAceIpv4HeaderFields::getSourceIpv4Network) + .orElse(null); } default byte[] ipv6Address(@Nonnull final VppMacipAce ace) { - return extractIp6Address( - VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network()); + return extractIp6Address(extractV6NetworkAddressOrNull(ace)); } default byte ipv6AddressPrefix(@Nonnull final VppMacipAce ace) { - return extractIp6AddressPrefix( - VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network()); + return extractIp6AddressPrefix(extractV6NetworkAddressOrNull(ace)); + } + + default Ipv6Prefix extractV6NetworkAddressOrNull(@Nonnull final VppMacipAce ace) { + return Optional.ofNullable(ace.getVppMacipAceNodes()) + .map(VppMacipAceNodes::getAceIpVersion) + .map(VppMacipAceIpv6HeaderFields.class::cast) + .map(VppMacipAceIpv6HeaderFields::getSourceIpv6Network) + .orElse(null); } /** * Only 0 and 1 are allowed for mac-ip */ default byte macIpAction(@Nonnull final Ace ace) { - final PacketHandling action = ace.getActions().getPacketHandling(); + // action choice itself has default, but nothing stops us from not defining actions container itself + final PacketHandling action = Optional.ofNullable(ace.getActions()).orElseThrow( + () -> new IllegalArgumentException(String.format("Unable to extract Action from %s", ace))) + .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)); + String.format("Unsupported packet-handling action %s for ACE %s", action, ace)); } } - default AceIpVersion ipVersion(final MacipAclRule rule) { + default AceIpVersion ipVersion(@Nonnull final MacipAclRule rule) { if (rule.isIpv6 == 0) { return ip4Ace(rule); } else { @@ -93,7 +133,7 @@ public interface MacIpAceDataExtractor extends AddressExtractor, MacTranslator { } } - default AceIpVersion ip4Ace(MacipAclRule rule) { + default AceIpVersion ip4Ace(@Nonnull final MacipAclRule rule) { final AceIpv4Builder ipVersion = new AceIpv4Builder(); if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) { ipVersion.setSourceIpv4Network(toIpv4Prefix(truncateIp4Array(rule.srcIpAddr), rule.srcIpPrefixLen)); @@ -101,7 +141,7 @@ public interface MacIpAceDataExtractor extends AddressExtractor, MacTranslator { return ipVersion.build(); } - default AceIpVersion ip6Ace(MacipAclRule rule) { + default AceIpVersion ip6Ace(@Nonnull final MacipAclRule rule) { final AceIpv6Builder ipVersion = new AceIpv6Builder(); if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) { ipVersion.setSourceIpv6Network(toIpv6Prefix(rule.srcIpAddr, rule.srcIpPrefixLen)); @@ -109,13 +149,15 @@ public interface MacIpAceDataExtractor extends AddressExtractor, MacTranslator { return ipVersion.build(); } - default MacAddress sourceMac(final MacipAclRule rule) { - return new MacAddress(byteArrayToMacSeparated(rule.srcMac)); + default MacAddress sourceMac(@Nonnull final MacipAclRule rule) { + return new MacAddress(byteArrayToMacSeparated(rule.srcMac != null + ? rule.srcMac + : DEFAULT_MAC_BYTES)); } - default MacAddress sourceMacMask(final MacipAclRule rule) { - return new MacAddress(byteArrayToMacSeparated(rule.srcMacMask)); + default MacAddress sourceMacMask(@Nonnull final MacipAclRule rule) { + return new MacAddress(byteArrayToMacSeparated(rule.srcMacMask != null + ? rule.srcMacMask + : DEFAULT_MAC_MASK_BYTES)); } - - } |