Initial opendaylight infrastructure commit!!

[controller.git] / third-party / openflowj / src / main / java / org / openflow / protocol / queue / OFPacketQueue.java

diff --git a/third-party/openflowj/src/main/java/org/openflow/protocol/queue/OFPacketQueue.java b/third-party/openflowj/src/main/java/org/openflow/protocol/queue/OFPacketQueue.java
new file mode 100644 (file)
index 0000000..eb90ed5
--- /dev/null
+++ b/third-party/openflowj/src/main/java/org/openflow/protocol/queue/OFPacketQueue.java
@@ -0,0 +1,153 @@
+package org.openflow.protocol.queue;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.openflow.protocol.factory.OFQueuePropertyFactory;
+import org.openflow.protocol.factory.OFQueuePropertyFactoryAware;
+import org.openflow.util.U16;
+
+/**
+ * Corresponds to the struct ofp_packet_queue OpenFlow structure
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class OFPacketQueue implements Cloneable, OFQueuePropertyFactoryAware {
+    public static int MINIMUM_LENGTH = 8;
+
+    protected OFQueuePropertyFactory queuePropertyFactory;
+
+    protected int queueId;
+    protected short length;
+    protected List<OFQueueProperty> properties;
+
+    /**
+     * @return the queueId
+     */
+    public int getQueueId() {
+        return queueId;
+    }
+
+    /**
+     * @param queueId the queueId to set
+     */
+    public OFPacketQueue setQueueId(int queueId) {
+        this.queueId = queueId;
+        return this;
+    }
+
+    /**
+     * @return the length
+     */
+    public short getLength() {
+        return length;
+    }
+
+    /**
+     * @param length the length to set
+     */
+    public void setLength(short length) {
+        this.length = length;
+    }
+
+    /**
+     * @return the properties
+     */
+    public List<OFQueueProperty> getProperties() {
+        return properties;
+    }
+
+    /**
+     * @param properties the properties to set
+     */
+    public OFPacketQueue setProperties(List<OFQueueProperty> properties) {
+        this.properties = properties;
+        return this;
+    }
+
+    public void readFrom(ByteBuffer data) {
+        this.queueId = data.getInt();
+        this.length = data.getShort();
+        data.getShort(); // pad
+        if (this.queuePropertyFactory == null)
+            throw new RuntimeException("OFQueuePropertyFactory not set");
+        this.properties = queuePropertyFactory.parseQueueProperties(data,
+                U16.f(this.length) - MINIMUM_LENGTH);
+    }
+
+    public void writeTo(ByteBuffer data) {
+        data.putInt(this.queueId);
+        data.putShort(this.length);
+        data.putShort((short) 0); // pad
+        if (this.properties != null) {
+            for (OFQueueProperty queueProperty : this.properties) {
+                queueProperty.writeTo(data);
+            }
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 6367;
+        int result = 1;
+        result = prime * result + length;
+        result = prime * result
+                + ((properties == null) ? 0 : properties.hashCode());
+        result = prime * result + queueId;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof OFPacketQueue))
+            return false;
+        OFPacketQueue other = (OFPacketQueue) obj;
+        if (length != other.length)
+            return false;
+        if (properties == null) {
+            if (other.properties != null)
+                return false;
+        } else if (!properties.equals(other.properties))
+            return false;
+        if (queueId != other.queueId)
+            return false;
+        return true;
+    }
+
+    @Override
+    public OFPacketQueue clone() {
+        try {
+            OFPacketQueue clone = (OFPacketQueue) super.clone();
+            if (this.properties != null) {
+                List<OFQueueProperty> queueProps = new ArrayList<OFQueueProperty>();
+                for (OFQueueProperty prop : this.properties) {
+                    queueProps.add(prop.clone());
+                }
+                clone.setProperties(queueProps);
+            }
+            return clone;
+        } catch (CloneNotSupportedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void setQueuePropertyFactory(
+            OFQueuePropertyFactory queuePropertyFactory) {
+        this.queuePropertyFactory = queuePropertyFactory;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#toString()
+     */
+    @Override
+    public String toString() {
+        return "OFPacketQueue [queueId=" + queueId + ", properties="
+                + properties + "]";
+    }
+}