initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java
new file mode 100644
index 0000000..6ab0254
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java
@@ -0,0 +1,98 @@
+package org.projectfloodlight.openflow.types;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.primitives.Ints;
+
+/**
+ * Represents L4 (Transport Layer) port (TCP, UDP, etc.)
+ *
+ * @author Yotam Harchol (yotam.harchol@bigswitch.com)
+ */
+public class TransportPort implements OFValueType<TransportPort> {
+
+ static final int LENGTH = 2;
+ static final int MAX_PORT = 0xFFFF;
+ static final int MIN_PORT = 0;
+
+ private final static int NONE_VAL = 0;
+ public final static TransportPort NONE = new TransportPort(NONE_VAL);
+
+ public static final TransportPort NO_MASK = new TransportPort(0xFFFFFFFF);
+ public static final TransportPort FULL_MASK = TransportPort.of(0x0);
+
+ private final int port;
+
+ private TransportPort(int port) {
+ this.port = port;
+ }
+
+ public static TransportPort of(int port) {
+ if(port == NONE_VAL)
+ return NONE;
+ else if (port == NO_MASK.port)
+ return NO_MASK;
+ else if (port < MIN_PORT || port > MAX_PORT) {
+ throw new IllegalArgumentException("Illegal transport layer port number: " + port);
+ }
+ return new TransportPort(port);
+ }
+
+ @Override
+ public int getLength() {
+ return LENGTH;
+ }
+
+ public int getPort() {
+ return port;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (!(obj instanceof TransportPort))
+ return false;
+ TransportPort other = (TransportPort)obj;
+ if (other.port != this.port)
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 59;
+ int result = 1;
+ result = prime * result + port;
+ return result;
+ }
+
+ @Override
+ public String toString() {
+ return Integer.toString(port);
+ }
+
+ public void write2Bytes(ChannelBuffer c) {
+ c.writeShort(this.port);
+ }
+
+ public static TransportPort read2Bytes(ChannelBuffer c) throws OFParseError {
+ return TransportPort.of((c.readUnsignedShort() & 0x0FFFF));
+ }
+
+ @Override
+ public TransportPort applyMask(TransportPort mask) {
+ return TransportPort.of(this.port & mask.port);
+ }
+
+ @Override
+ public int compareTo(TransportPort o) {
+ return Ints.compare(port, o.port);
+ }
+
+ @Override
+ public void putTo(PrimitiveSink sink) {
+ sink.putShort((short) port);
+ }
+
+}