1 files changed, 283 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/util/EidConverter.java b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/util/EidConverter.java
new file mode 100755
index 000000000..4c8fa691b
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/util/EidConverter.java
@@ -0,0 +1,283 @@
+/*
+ * Copyright (c) 2015 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.lisp.translate.util;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType;
+import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType.IPV4;
+import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType.IPV6;
+import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType.MAC;
+
+import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
+import java.util.Arrays;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Mac;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.MacBuilder;
+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.lisp.rev160520.eid.table.grouping.eid.table.vni.table.adjacencies.adjacency.LocalEid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.adjacencies.adjacency.RemoteEid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.local.mapping.Eid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.local.mapping.EidBuilder;
+
+
+/**
+ * Helper class that converts {@code SimpleAddress} to eid format for vpp
+ */
+public final class EidConverter {
+
+    private EidConverter() {
+        throw new UnsupportedOperationException("Cannot instantiate utility class " + EidConverter.class.getName());
+    }
+
+    public static byte getPrefixLength(
+            org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid address) {
+        return resolverPrefixLength(address.getAddress());
+    }
+
+    public static byte getPrefixLength(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.local.mapping.Eid address) {
+        return resolverPrefixLength(address.getAddress());
+    }
+
+    public static byte getPrefixLength(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.Eid address) {
+        return resolverPrefixLength(address.getAddress());
+    }
+
+    private static byte resolverPrefixLength(Address address) {
+
+        switch (resolveType(address)) {
+            case IPV4:
+                return 32;
+            case IPV6:
+                return (byte) 128;
+            case MAC:
+                return 0;
+            default:
+                throw new IllegalArgumentException("Illegal type");
+        }
+    }
+
+    public static Eid getArrayAsEidLocal(EidType type, byte[] address) {
+
+        switch (type) {
+            case IPV4: {
+                return new EidBuilder().setAddress(
+                        new Ipv4Builder().setIpv4(TranslateUtils.arrayToIpv4AddressNoZoneReversed(address)).build())
+                        .build();
+            }
+            case IPV6: {
+                return new EidBuilder().setAddress(
+                        new Ipv6Builder().setIpv6(TranslateUtils.arrayToIpv6AddressNoZoneReversed(address)).build())
+                        .build();
+            }
+            case MAC: {
+                return new EidBuilder().setAddress(
+                        new MacBuilder().setMac(new MacAddress(TranslateUtils.byteArrayToMacSeparated(address)))
+                                .build()).build();
+            }
+            default: {
+                throw new IllegalStateException("Unknown type detected");
+            }
+        }
+    }
+
+    public static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.Eid getArrayAsEidRemote(
+            EidType type, byte[] address) {
+
+        switch (type) {
+            case IPV4: {
+                return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.EidBuilder()
+                        .setAddress(
+                                new Ipv4Builder().setIpv4(TranslateUtils.arrayToIpv4AddressNoZoneReversed(address))
+                                        .build())
+                        .build();
+            }
+            case IPV6: {
+                return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.EidBuilder()
+                        .setAddress(
+                                new Ipv6Builder().setIpv6(TranslateUtils.arrayToIpv6AddressNoZoneReversed(address))
+                                        .build())
+                        .build();
+            }
+            case MAC: {
+                return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.EidBuilder()
+                        .setAddress(
+                                new MacBuilder().setMac(new MacAddress(TranslateUtils.byteArrayToMacSeparated(address)))
+                                        .build()).build();
+            }
+            default: {
+                throw new IllegalStateException("Unknown type detected");
+            }
+        }
+    }
+
+    public static String getArrayAsEidString(
+            EidType type, byte[] address) {
+        switch (type) {
+            case IPV4: {
+                return TranslateUtils.arrayToIpv4AddressNoZoneReversed(address).getValue();
+            }
+            case IPV6: {
+                return TranslateUtils.arrayToIpv6AddressNoZoneReversed(address).getValue();
+            }
+            case MAC: {
+                //as wrong as it looks ,its right(second param is not end index,but count)
+                return TranslateUtils.byteArrayToMacSeparated(Arrays.copyOfRange(address, 0, 6));
+            }
+            default: {
+                throw new IllegalStateException("Unknown type detected");
+            }
+        }
+    }
+
+
+    public static EidType getEidType(
+            org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid address) {
+        checkNotNull(address, "SimpleAddress cannot be null");
+
+        return resolveType(address.getAddress());
+    }
+
+    public static EidType getEidType(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.local.mapping.Eid address) {
+        checkNotNull(address, "SimpleAddress cannot be null");
+
+        return resolveType(address.getAddress());
+    }
+
+
+    public static EidType getEidType(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.Eid address) {
+        checkNotNull(address, "Address cannot be null");
+
+        return resolveType(address.getAddress());
+    }
+
+
+    public static EidType getEidType(final LocalEid address) {
+        checkNotNull(address, "Address cannot be null");
+
+        return resolveType(address.getAddress());
+    }
+
+    public static EidType getEidType(final RemoteEid address) {
+        checkNotNull(address, "Address cannot be null");
+
+        return resolveType(address.getAddress());
+    }
+
+    private static EidType resolveType(
+            Address address) {
+
+        if (address instanceof Ipv4) {
+            return IPV4;
+        } else if (address instanceof Ipv6) {
+            return IPV6;
+        } else if (address instanceof Mac) {
+            return MAC;
+        } else {
+            //TODO - other types
+            throw new IllegalStateException("Unknown type detected");
+        }
+    }
+
+    public static byte[] getEidAsByteArray(
+            org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid address) {
+        checkNotNull(address, "Eid cannot be null");
+
+        return resolveByteArray(getEidType(address), address.getAddress());
+    }
+
+    public static byte[] getEidAsByteArray(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.local.mapping.Eid address) {
+        checkNotNull(address, "Eid cannot be null");
+
+        return resolveByteArray(getEidType(address), address.getAddress());
+    }
+
+    public static byte[] getEidAsByteArray(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.Eid address) {
+        checkNotNull(address, "Eid cannot be null");
+
+        return resolveByteArray(getEidType(address), address.getAddress());
+    }
+
+    public static byte[] getEidAsByteArray(final LocalEid address) {
+        checkNotNull(address, "Eid cannot be null");
+
+        return resolveByteArray(getEidType(address), address.getAddress());
+    }
+
+
+    public static byte[] getEidAsByteArray(final RemoteEid address) {
+        checkNotNull(address, "Eid cannot be null");
+
+        return resolveByteArray(getEidType(address), address.getAddress());
+    }
+
+    private static byte[] resolveByteArray(EidType type, Address address) {
+        switch (type) {
+            case IPV4:
+                return TranslateUtils
+                        .ipv4AddressNoZoneToArray(new Ipv4AddressNoZone(((Ipv4) address).getIpv4()));
+            case IPV6:
+                return TranslateUtils
+                        .ipv6AddressNoZoneToArray(new Ipv6AddressNoZone(((Ipv6) address).getIpv6()));
+            case MAC:
+                return TranslateUtils.parseMac(((Mac) address).getMac().getValue());
+            default:
+                //TODO - other types
+                throw new IllegalArgumentException("Unsupported type");
+        }
+    }
+
+    public static boolean compareEids(
+            LispAddress first,
+            LispAddress second) {
+
+        return compareAddresses(checkNotNull(first, "First eid is null").getAddress(),
+                checkNotNull(second, "Second eid is null").getAddress());
+    }
+
+    public static boolean compareAddresses(Address firstAddress, Address secondAddress) {
+
+        checkNotNull(firstAddress, "First address is null");
+        checkNotNull(secondAddress, "Second address is null");
+
+        if (firstAddress instanceof Ipv4 && secondAddress instanceof Ipv4) {
+            return ((Ipv4) firstAddress).getIpv4().getValue().equals(((Ipv4) secondAddress).getIpv4().getValue());
+        }
+
+        if (firstAddress instanceof Ipv6 && secondAddress instanceof Ipv6) {
+            return ((Ipv6) firstAddress).getIpv6().getValue().equals(((Ipv6) secondAddress).getIpv6().getValue());
+        }
+
+        if (firstAddress instanceof Mac && secondAddress instanceof Mac) {
+            return ((Mac) firstAddress).getMac().getValue().equals(((Mac) secondAddress).getMac().getValue());
+        }
+
+        throw new IllegalArgumentException("Unsupported eid type " + firstAddress.getClass());
+    }
+}