initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6AddressWithMask.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6AddressWithMask.java
new file mode 100644
index 0000000..7259c7f
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6AddressWithMask.java
@@ -0,0 +1,92 @@
+package org.projectfloodlight.openflow.types;
+
+import java.math.BigInteger;
+import java.util.Arrays;
+
+public class IPv6AddressWithMask extends IPAddressWithMask<IPv6Address> {
+ public final static IPv6AddressWithMask NONE = of(IPv6Address.NONE, IPv6Address.NONE);
+
+ private IPv6AddressWithMask(IPv6Address value, IPv6Address mask) {
+ super(value, mask);
+ }
+
+ @Override
+ public IPVersion getIpVersion() {
+ return IPVersion.IPv6;
+ }
+
+ public static IPv6AddressWithMask of(IPv6Address value, IPv6Address mask) {
+ if (value == null) {
+ throw new NullPointerException("Value must not be null");
+ }
+ if (mask == null) {
+ throw new NullPointerException("Mask must not be null");
+ }
+ return new IPv6AddressWithMask(value, mask);
+ }
+
+
+ public static IPv6AddressWithMask of(final String string) {
+ if (string == null) {
+ throw new NullPointerException("String must not be null");
+ }
+ int slashPos;
+ String ip = string;
+ int maskBits = 128;
+ IPv6Address maskAddress = null;
+
+ // Read mask suffix
+ if ((slashPos = string.indexOf('/')) != -1) {
+ ip = string.substring(0, slashPos);
+ try {
+ String suffix = string.substring(slashPos + 1);
+ if (suffix.length() == 0)
+ throw new IllegalArgumentException("IPv6 Address not well formed: " + string);
+ if (suffix.indexOf(':') != -1) {
+ // Full mask
+ maskAddress = IPv6Address.of(suffix);
+ } else {
+ // CIDR Suffix
+ maskBits = Integer.parseInt(suffix);
+ }
+ } catch (NumberFormatException e) {
+ throw new IllegalArgumentException("IPv6 Address not well formed: " + string);
+ }
+ if (maskBits < 0 || maskBits > 128) {
+ throw new IllegalArgumentException("IPv6 Address not well formed: " + string);
+ }
+ }
+
+ // Read IP
+ IPv6Address ipv6 = IPv6Address.of(ip);
+
+ if (maskAddress != null) {
+ // Full address mask
+ return IPv6AddressWithMask.of(ipv6, maskAddress);
+ } else if (maskBits == 128) {
+ // No mask
+ return IPv6AddressWithMask.of(ipv6, IPv6Address.NO_MASK);
+ } else if (maskBits == 0) {
+ // Entirely masked out
+ return IPv6AddressWithMask.of(ipv6, IPv6Address.FULL_MASK);
+ }else {
+ // With mask
+ BigInteger mask = BigInteger.ONE.negate().shiftLeft(128 - maskBits);
+ byte[] maskBytesTemp = mask.toByteArray();
+ byte[] maskBytes;
+ if (maskBytesTemp.length < 16) {
+ maskBytes = new byte[16];
+ System.arraycopy(maskBytesTemp, 0, maskBytes, 16 - maskBytesTemp.length, maskBytesTemp.length);
+ Arrays.fill(maskBytes, 0, 16 - maskBytesTemp.length, (byte)(0xFF));
+ } else if (maskBytesTemp.length > 16) {
+ maskBytes = new byte[16];
+ System.arraycopy(maskBytesTemp, 0, maskBytes, 0, maskBytes.length);
+ } else {
+ maskBytes = maskBytesTemp;
+ }
+ return IPv6AddressWithMask.of(ipv6, IPv6Address.of(maskBytes));
+ }
+ }
+
+
+}