initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/UDF.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/UDF.java
new file mode 100644
index 0000000..e537c20
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/UDF.java
@@ -0,0 +1,85 @@
+package org.projectfloodlight.openflow.types;
+
+import javax.annotation.concurrent.Immutable;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.primitives.UnsignedInts;
+
+@Immutable
+public class UDF implements OFValueType<UDF> {
+ static final int LENGTH = 4;
+ private final int rawValue;
+
+ public static final UDF ZERO = UDF.of(0x0);
+ public static final UDF NO_MASK = UDF.of(0xFFFFFFFF);
+ public static final UDF FULL_MASK = UDF.of(0x00000000);
+
+ private UDF(final int rawValue) {
+ this.rawValue = rawValue;
+ }
+
+ public static UDF of(final int raw) {
+ return new UDF(raw);
+ }
+
+ public int getInt() {
+ return rawValue;
+ }
+
+ @Override
+ public int getLength() {
+ return LENGTH;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + rawValue;
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ UDF other = (UDF) obj;
+ if (rawValue != other.rawValue)
+ return false;
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return Integer.toString(rawValue);
+ }
+
+ public void write4Bytes(ChannelBuffer c) {
+ c.writeInt(rawValue);
+ }
+
+ public static UDF read4Bytes(ChannelBuffer c) {
+ return UDF.of(c.readInt());
+ }
+
+ @Override
+ public UDF applyMask(UDF mask) {
+ return UDF.of(this.rawValue & mask.rawValue);
+ }
+
+ @Override
+ public int compareTo(UDF o) {
+ return UnsignedInts.compare(rawValue, o.rawValue);
+ }
+
+ @Override
+ public void putTo(PrimitiveSink sink) {
+ sink.putInt(rawValue);
+ }
+}