1 files changed, 102 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/LLC.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/LLC.java
new file mode 100644
index 00000000..78b4f3fa
--- /dev/null
+++ b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/LLC.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.onlab.packet;
+
+import java.nio.ByteBuffer;
+
+import static org.onlab.packet.PacketUtils.*;
+
+/**
+ * This class represents an Link Local Control header that is used in Ethernet
+ * 802.3.
+ *
+ *
+ */
+public class LLC extends BasePacket {
+
+    public static final byte LLC_HEADER_LENGTH = 3;
+
+    private byte dsap = 0;
+    private byte ssap = 0;
+    private byte ctrl = 0;
+
+    public byte getDsap() {
+        return this.dsap;
+    }
+
+    public void setDsap(final byte dsap) {
+        this.dsap = dsap;
+    }
+
+    public byte getSsap() {
+        return this.ssap;
+    }
+
+    public void setSsap(final byte ssap) {
+        this.ssap = ssap;
+    }
+
+    public byte getCtrl() {
+        return this.ctrl;
+    }
+
+    public void setCtrl(final byte ctrl) {
+        this.ctrl = ctrl;
+    }
+
+    @Override
+    public byte[] serialize() {
+        final byte[] data = new byte[3];
+        final ByteBuffer bb = ByteBuffer.wrap(data);
+        bb.put(this.dsap);
+        bb.put(this.ssap);
+        bb.put(this.ctrl);
+        return data;
+    }
+
+    @Override
+    public IPacket deserialize(final byte[] data, final int offset,
+                               final int length) {
+        final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+        this.dsap = bb.get();
+        this.ssap = bb.get();
+        this.ctrl = bb.get();
+        return this;
+    }
+
+    /**
+     * Deserializer function for LLC packets.
+     *
+     * @return deserializer function
+     */
+    public static Deserializer<LLC> deserializer() {
+        return (data, offset, length) -> {
+            checkInput(data, offset, length, LLC_HEADER_LENGTH);
+
+            ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+            LLC llc = new LLC();
+
+            llc.dsap = bb.get();
+            llc.ssap = bb.get();
+            llc.ctrl = bb.get();
+
+            return llc;
+        };
+    }
+}