initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/U32.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/U32.java
new file mode 100644
index 0000000..c69786c
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/U32.java
@@ -0,0 +1,130 @@
+/**
+ * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
+ * University
+ *
+ * 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 org.projectfloodlight.openflow.types;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+import org.projectfloodlight.openflow.protocol.OFMessageReader;
+import org.projectfloodlight.openflow.protocol.Writeable;
+
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.primitives.UnsignedInts;
+
+public class U32 implements Writeable, OFValueType<U32> {
+ private final static int ZERO_VAL = 0;
+ public final static U32 ZERO = new U32(ZERO_VAL);
+
+ private static final int NO_MASK_VAL = 0xFFffFFff;
+ public final static U32 NO_MASK = new U32(NO_MASK_VAL);
+ public static final U32 FULL_MASK = ZERO;
+
+ private final int raw;
+
+ private U32(int raw) {
+ this.raw = raw;
+ }
+
+ public static U32 of(long value) {
+ return ofRaw(U32.t(value));
+ }
+
+ public static U32 ofRaw(int raw) {
+ if(raw == ZERO_VAL)
+ return ZERO;
+ if(raw == NO_MASK_VAL)
+ return NO_MASK;
+ return new U32(raw);
+ }
+
+ public long getValue() {
+ return f(raw);
+ }
+
+ public int getRaw() {
+ return raw;
+ }
+
+ @Override
+ public String toString() {
+ return String.format("0x%08x", raw);
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + raw;
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ U32 other = (U32) obj;
+ if (raw != other.raw)
+ return false;
+
+ return true;
+ }
+
+ public static long f(final int i) {
+ return i & 0xffffffffL;
+ }
+
+ public static int t(final long l) {
+ return (int) l;
+ }
+
+ @Override
+ public void writeTo(ChannelBuffer bb) {
+ bb.writeInt(raw);
+ }
+
+ public final static Reader READER = new Reader();
+
+ private static class Reader implements OFMessageReader<U32> {
+ @Override
+ public U32 readFrom(ChannelBuffer bb) throws OFParseError {
+ return new U32(bb.readInt());
+ }
+ }
+
+ @Override
+ public int getLength() {
+ return 4;
+ }
+
+ @Override
+ public U32 applyMask(U32 mask) {
+ return ofRaw(raw & mask.raw);
+ }
+
+ @Override
+ public int compareTo(U32 o) {
+ return UnsignedInts.compare(raw, o.raw);
+ }
+
+ @Override
+ public void putTo(PrimitiveSink sink) {
+ sink.putInt(raw);
+ }}