1 files changed, 166 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MultiProtocolExtnCapabilityTlv.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MultiProtocolExtnCapabilityTlv.java
new file mode 100644
index 00000000..7082483e
--- /dev/null
+++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MultiProtocolExtnCapabilityTlv.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2015 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.onosproject.bgpio.types;
+
+import java.util.Objects;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides MultiProtocolExtnCapabilityTlv.
+ */
+public class MultiProtocolExtnCapabilityTlv implements BgpValueType {
+
+    /*
+        0       7       15      23      31
+        +-------+-------+-------+-------+
+        |  AFI          | Res   |  SAFI |
+        +-------+-------+-------+-------+
+
+        Multiprotocol Extensions CAPABILITY TLV format
+        REFERENCE : RFC 4760
+     */
+    protected static final Logger log = LoggerFactory
+            .getLogger(MultiProtocolExtnCapabilityTlv.class);
+
+    public static final byte TYPE = 1;
+    public static final byte LENGTH = 4;
+
+    private final short afi;
+    private final byte res;
+    private final byte safi;
+
+    /**
+     * Constructor to initialize variables.
+     * @param afi Address Family Identifiers
+     * @param res reserved field
+     * @param safi Subsequent Address Family Identifier
+     */
+    public MultiProtocolExtnCapabilityTlv(short afi, byte res, byte safi) {
+        this.afi = afi;
+        this.res = res;
+        this.safi = safi;
+    }
+
+    /**
+     * Returns object of MultiProtocolExtnCapabilityTlv.
+     * @param afi Address Family Identifiers
+     * @param res reserved field
+     * @param safi Subsequent Address Family Identifier
+     * @return object of MultiProtocolExtnCapabilityTlv
+     */
+    public static MultiProtocolExtnCapabilityTlv of(short afi, byte res,
+                                                    byte safi) {
+        return new MultiProtocolExtnCapabilityTlv(afi, res, safi);
+    }
+
+    /**
+     * Returns afi Address Family Identifiers value.
+     * @return afi Address Family Identifiers value
+     */
+    public short getAFI() {
+        return afi;
+    }
+
+    /**
+     * Returns res reserved field value.
+     * @return res reserved field value
+     */
+    public byte getRes() {
+        return res;
+    }
+
+    /**
+     * Returns safi Subsequent Address Family Identifier value.
+     * @return safi Subsequent Address Family Identifier value
+     */
+    public byte getSAFI() {
+        return safi;
+    }
+
+    @Override
+    public short getType() {
+        return TYPE;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(afi, res, safi);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof MultiProtocolExtnCapabilityTlv) {
+            MultiProtocolExtnCapabilityTlv other = (MultiProtocolExtnCapabilityTlv) obj;
+            return Objects.equals(this.afi, other.afi)
+                    && Objects.equals(this.res, other.res)
+                    && Objects.equals(this.safi, other.safi);
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer cb) {
+        int iLenStartIndex = cb.writerIndex();
+        cb.writeByte(TYPE);
+        cb.writeByte(LENGTH);
+
+        // write afi
+        cb.writeShort(afi);
+
+        // write res
+        cb.writeByte(res);
+
+        // write safi
+        cb.writeByte(safi);
+
+        return cb.writerIndex() - iLenStartIndex;
+    }
+
+    /**
+     * Reads from channel buffer and returns object of MultiprotocolCapabilityTlv.
+     * @param cb of type channel buffer
+     * @return object of MultiProtocolExtnCapabilityTlv
+     */
+    public static BgpValueType read(ChannelBuffer cb) {
+        short afi = cb.readShort();
+        byte res = cb.readByte();
+        byte safi = cb.readByte();
+        return new MultiProtocolExtnCapabilityTlv(afi, res, safi);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("Type", TYPE)
+                .add("Length", LENGTH)
+                .add("AFI", afi)
+                .add("Reserved", res)
+                .add("SAFI", safi).toString();
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+}