*/
package org.opendaylight.lispflowmapping.lisp.util;
+import com.google.common.io.BaseEncoding;
+import com.google.common.net.InetAddresses;
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.UnknownHostException;
import java.util.List;
-
+import java.util.Set;
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.SimpleAddress;
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.KeyValueAddress;
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.NoAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ServicePath;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.SourceDestKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.Hop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.Hop.LrsBits;
-
-import com.google.common.base.Preconditions;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4Binary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4PrefixBinary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6Binary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6PrefixBinary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.XtrId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* Utility class with static methods returning string representations of
* @author Lorand Jakab
*
*/
-public class LispAddressStringifier {
+public final class LispAddressStringifier {
+ protected static final Logger LOG = LoggerFactory.getLogger(LispAddressStringifier.class);
private static final String PREFIX_SEPARATOR = ":";
+
/*
* In the unlikely event that a AFI 0 address is used a key, we use a
* sequence number to ensure uniqueness
*/
protected static int noAddrSeq = 0;
+
/*
* There are three possible destinations for rendering an address as a
* string:
URL;
}
+ // Utility class, should not be instantiated
+ private LispAddressStringifier() {
+ }
+
public static String getString(LispAddress lispAddress) {
return getAddrString(Destination.USER, lispAddress);
}
+ public static String getString(Set<Eid> eids) {
+ StringBuilder sb = new StringBuilder("{");
+ boolean first = true;
+ for (Eid eid : eids) {
+ if (!first) {
+ sb.append(", ");
+ }
+ sb.append(getString(eid));
+ first = false;
+ }
+ sb.append("}");
+ return sb.toString();
+ }
+
+ public static String getString(Address address) {
+ return getAddrString(Destination.USER, address, null);
+ }
+
+ public static String getString(XtrId xtrId) {
+ return getXtrIdString(xtrId);
+ }
+
public static String getURIString(LispAddress lispAddress) {
return getAddrString(Destination.URI, lispAddress);
}
+ public static String getURIString(XtrId xtrId) {
+ return getXtrIdString(xtrId);
+ }
+
public static String getURLString(LispAddress lispAddress) {
return getAddrString(Destination.URL, lispAddress);
}
+ public static String getURLString(XtrId xtrId) {
+ return getXtrIdString(xtrId);
+ }
+
+ private static String getXtrIdString(XtrId xtrId) {
+ return BaseEncoding.base16().encode(xtrId.getValue());
+ }
+
private static String getAddrString(Destination dst, LispAddress lispAddress) {
- Preconditions.checkNotNull(lispAddress, "lispAddress should not be null");
+ if (lispAddress == null) {
+ return "null";
+ }
+
Address addr = lispAddress.getAddress();
- String prefix = null;
- String address = null;
+ Long vni = null;
+
+ if (lispAddress.getVirtualNetworkId() != null) {
+ vni = lispAddress.getVirtualNetworkId().getValue().toJava();
+ }
+
+ return getAddrString(dst, addr, vni);
+ }
+
+ private static String getAddrString(Destination dst, Address addr, Long virtualNetworkId) {
+ String prefix = "";
+ String vni = "";
+ String address = "";
+
+ if (virtualNetworkId != null) {
+ vni = "[" + virtualNetworkId + "] ";
+ }
if (addr instanceof Ipv4) {
prefix = "ipv4" + PREFIX_SEPARATOR;
address = getStringFromIpv4(dst, (Ipv4) addr);
+ } else if (addr instanceof Ipv4Binary) {
+ prefix = "ipv4" + PREFIX_SEPARATOR;
+ address = getStringFromIpv4Binary(dst, (Ipv4Binary) addr);
} else if (addr instanceof Ipv4Prefix) {
prefix = "ipv4" + PREFIX_SEPARATOR;
address = getStringFromIpv4Prefix(dst, (Ipv4Prefix) addr);
+ } else if (addr instanceof Ipv4PrefixBinary) {
+ prefix = "ipv4" + PREFIX_SEPARATOR;
+ address = getStringFromIpv4PrefixBinary(dst, (Ipv4PrefixBinary) addr);
} else if (addr instanceof Ipv6) {
prefix = "ipv6" + PREFIX_SEPARATOR;
address = getStringFromIpv6(dst, (Ipv6) addr);
+ } else if (addr instanceof Ipv6Binary) {
+ prefix = "ipv6" + PREFIX_SEPARATOR;
+ address = getStringFromIpv6Binary(dst, (Ipv6Binary) addr);
} else if (addr instanceof Ipv6Prefix) {
prefix = "ipv6" + PREFIX_SEPARATOR;
address = getStringFromIpv6Prefix(dst, (Ipv6Prefix) addr);
+ } else if (addr instanceof Ipv6PrefixBinary) {
+ prefix = "ipv6" + PREFIX_SEPARATOR;
+ address = getStringFromIpv6PrefixBinary(dst, (Ipv6PrefixBinary) addr);
} else if (addr instanceof Mac) {
prefix = "mac" + PREFIX_SEPARATOR;
address = getStringFromMac(dst, (Mac) addr);
} else if (addr instanceof KeyValueAddress) {
prefix = "kv" + PREFIX_SEPARATOR;
address = getStringFromKeyValueAddress(dst, (KeyValueAddress) addr);
+ } else if (addr instanceof ServicePath) {
+ prefix = "sp" + PREFIX_SEPARATOR;
+ address = getStringFromServicePath(dst, (ServicePath) addr);
+ } else {
+ return null;
}
if (dst == Destination.USER) {
- return address;
+ return vni + address;
} else {
return prefix + address;
}
return addr.getIpv4().getValue();
}
+ protected static String getStringFromIpv4Binary(Destination dst, Ipv4Binary addr) {
+ // AFI = 1; IPv4
+ try {
+ return InetAddresses.toAddrString(Inet4Address.getByAddress(addr.getIpv4Binary().getValue()));
+ } catch (UnknownHostException e) {
+ LOG.debug("Cannot convert binary IPv4 to string", e);
+ }
+ return null;
+ }
+
protected static String getStringFromIpv4Prefix(Destination dst, Ipv4Prefix addr) {
// AFI = 1; IPv4
String prefix = addr.getIpv4Prefix().getValue();
return getPrefixString(dst, prefix);
}
+ protected static String getStringFromIpv4PrefixBinary(Destination dst, Ipv4PrefixBinary addr) {
+ // AFI = 1; IPv4
+ try {
+ StringBuilder prefixBuilder = new StringBuilder(InetAddresses.toAddrString(
+ Inet4Address.getByAddress(addr.getIpv4AddressBinary().getValue())));
+ prefixBuilder.append('/');
+ prefixBuilder.append(addr.getIpv4MaskLength().toString());
+ return getPrefixString(dst, prefixBuilder.toString());
+ } catch (UnknownHostException e) {
+ LOG.debug("Cannot convert binary IPv4 prefix to string", e);
+ }
+ return null;
+ }
+
protected static String getStringFromIpv6(Destination dst, Ipv6 addr) {
// AFI = 2; IPv6
return addr.getIpv6().getValue();
}
+ protected static String getStringFromIpv6Binary(Destination dst, Ipv6Binary addr) {
+ // AFI = 2; IPv6
+ try {
+ return InetAddresses.toAddrString(Inet6Address.getByAddress(addr.getIpv6Binary().getValue()));
+ } catch (UnknownHostException e) {
+ LOG.debug("Cannot convert binary IPv6 to string", e);
+ }
+ return null;
+ }
+
protected static String getStringFromIpv6Prefix(Destination dst, Ipv6Prefix addr) {
// AFI = 2; IPv6
return addr.getIpv6Prefix().getValue();
}
+ protected static String getStringFromIpv6PrefixBinary(Destination dst, Ipv6PrefixBinary addr) {
+ // AFI = 2; IPv5
+ try {
+ StringBuilder prefixBuilder = new StringBuilder(InetAddresses.toAddrString(
+ Inet6Address.getByAddress(addr.getIpv6AddressBinary().getValue())));
+ prefixBuilder.append('/');
+ prefixBuilder.append(addr.getIpv6MaskLength().toString());
+ return getPrefixString(dst, prefixBuilder.toString());
+ } catch (UnknownHostException e) {
+ LOG.debug("Cannot convert binary IPv6 prefix to string", e);
+ }
+ return null;
+ }
+
protected static String getStringFromDistinguishedName(Destination dst, DistinguishedName addr) {
// AFI = 17; Distinguished Name
return addr.getDistinguishedName().getValue();
// AFI = 18; Autonomous System Number
return "AS" + addr.getAsNumber().getValue();
}
+
protected static String getStringFromAfiList(Destination dst, AfiList addr) {
// AFI 16387, LCAF Type 1; Address List
// Example rendering:
if (needComma) {
sb.append(",");
}
- sb.append(a.getValue());
+ sb.append(a.stringValue());
needComma = true;
}
sb.append("}");
// AFI = 16387, LCAF Type 12, Source/Destination Key
// Example rendering:
// 192.0.2.1/32|192.0.2.2/32
- return getPrefixString(dst, (new String(addr.getSourceDestKey().getSource().getValue()))
- + "|" + getPrefixString(dst, new String(addr.getSourceDestKey().getDest().getValue())));
+ return getPrefixString(dst, addr.getSourceDestKey().getSource().stringValue()
+ + "|" + getPrefixString(dst, addr.getSourceDestKey().getDest().stringValue()));
}
protected static String getStringFromKeyValueAddress(Destination dst, KeyValueAddress addr) {
// AFI = 16387, LCAF Type 15, Key/Value Address Pair
// Example rendering:
// 192.0.2.1=>192.0.2.2
- return getPrefixString(dst, new String(addr.getKeyValueAddress().getKey().getValue())
- + "=>" + getPrefixString(dst, new String(addr.getKeyValueAddress().getValue().getValue())));
+ return getPrefixString(dst, addr.getKeyValueAddress().getKey().stringValue()
+ + "=>" + getPrefixString(dst, addr.getKeyValueAddress().getValue().stringValue()));
}
protected static String getStringFromMac(Destination dst, Mac addr) {
return addr.getMac().getValue();
}
+ protected static String getStringFromServicePath(Destination dst, ServicePath addr) {
+ // AFI = 16387; LCAF http://tools.ietf.org/html/draft-ermagan-lisp-nsh-00
+ // Example rendering:
+ // 42(3)
+ return getPrefixString(dst, new String(addr.getServicePath().getServicePathId().getValue() + "("
+ + addr.getServicePath().getServiceIndex() + ")"));
+ }
+
}